fix

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.clang-tidy.hash

@@ -1 +1 @@
-4268ab0b5150f79ab1c317e8f3834c8bb0b4c8122da4f6b1fd67c49d0f2098c9
+d272a88e8ca28ae9340a9a03295a566432a52cb696501908f57764475bf7ca65

.pre-commit-config.yaml

@@ -11,7 +11,7 @@ ci:
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
     # Ruff version.
-    rev: v0.14.10
+    rev: v0.14.11
     hooks:
       # Run the linter.
       - id: ruff

CODEOWNERS

@@ -91,6 +91,7 @@ esphome/components/bmp3xx_spi/* @latonita
 esphome/components/bmp581/* @kahrendt
 esphome/components/bp1658cj/* @Cossid
 esphome/components/bp5758d/* @Cossid
+esphome/components/bthome_mithermometer/* @nagyrobi
 esphome/components/button/* @esphome/core
 esphome/components/bytebuffer/* @clydebarrow
 esphome/components/camera/* @bdraco @DT-art1
@@ -134,7 +135,7 @@ esphome/components/display_menu_base/* @numo68
 esphome/components/dps310/* @kbx81
 esphome/components/ds1307/* @badbadc0ffee
 esphome/components/ds2484/* @mrk-its
-esphome/components/dsmr/* @glmnet @zuidwijk
+esphome/components/dsmr/* @glmnet @PolarGoose @zuidwijk
 esphome/components/duty_time/* @dudanov
 esphome/components/ee895/* @Stock-M
 esphome/components/ektf2232/touchscreen/* @jesserockz
@@ -394,6 +395,7 @@ esphome/components/radon_eye_rd200/* @jeffeb3
 esphome/components/rc522/* @glmnet
 esphome/components/rc522_i2c/* @glmnet
 esphome/components/rc522_spi/* @glmnet
+esphome/components/rd03d/* @jasstrong
 esphome/components/resampler/speaker/* @kahrendt
 esphome/components/restart/* @esphome/core
 esphome/components/rf_bridge/* @jesserockz
@@ -574,5 +576,6 @@ esphome/components/xpt2046/touchscreen/* @nielsnl68 @numo68
 esphome/components/xxtea/* @clydebarrow
 esphome/components/zephyr/* @tomaszduda23
 esphome/components/zhlt01/* @cfeenstra1024
+esphome/components/zigbee/* @tomaszduda23
 esphome/components/zio_ultrasonic/* @kahrendt
 esphome/components/zwave_proxy/* @kbx81

MANIFEST.in

@@ -1,6 +1,7 @@
 include LICENSE
 include README.md
 include requirements.txt
+recursive-include esphome *.yaml
 recursive-include esphome *.cpp *.h *.tcc *.c
 recursive-include esphome *.py.script
 recursive-include esphome LICENSE.txt

docker/Dockerfile

@@ -11,6 +11,16 @@ FROM base-source-${BUILD_TYPE} AS base
 
 RUN git config --system --add safe.directory "*"
 
+# Install build tools for Python packages that require compilation
+# (e.g., ruamel.yaml.clibz used by ESP-IDF's idf-component-manager)
+RUN if command -v apk > /dev/null; then \
+        apk add --no-cache build-base; \
+    else \
+        apt-get update \
+        && apt-get install -y --no-install-recommends build-essential \
+        && rm -rf /var/lib/apt/lists/*; \
+    fi
+
 ENV PIP_DISABLE_PIP_VERSION_CHECK=1
 
 RUN pip install --no-cache-dir -U pip uv==0.6.14

esphome/__main__.py

@@ -62,6 +62,9 @@ from esphome.util import (
 
 _LOGGER = logging.getLogger(__name__)
 
+# Maximum buffer size for serial log reading to prevent unbounded memory growth
+SERIAL_BUFFER_MAX_SIZE = 65536
+
 # Special non-component keys that appear in configs
 _NON_COMPONENT_KEYS = frozenset(
     {
@@ -431,25 +434,37 @@ def run_miniterm(config: ConfigType, port: str, args) -> int:
     while tries < 5:
         try:
             with ser:
+                buffer = b""
+                ser.timeout = 0.1  # 100ms timeout for non-blocking reads
                 while True:
                     try:
-                        raw = ser.readline()
+                        # Read all available data and timestamp it
+                        chunk = ser.read(ser.in_waiting or 1)
+                        if not chunk:
+                            continue
+                        time_ = datetime.now()
+                        milliseconds = time_.microsecond // 1000
+                        time_str = f"[{time_.hour:02}:{time_.minute:02}:{time_.second:02}.{milliseconds:03}]"
+
+                        # Add to buffer and process complete lines
+                        # Limit buffer size to prevent unbounded memory growth
+                        # if device sends data without newlines
+                        buffer += chunk
+                        if len(buffer) > SERIAL_BUFFER_MAX_SIZE:
+                            buffer = buffer[-SERIAL_BUFFER_MAX_SIZE:]
+                        while b"\n" in buffer:
+                            raw_line, buffer = buffer.split(b"\n", 1)
+                            line = raw_line.replace(b"\r", b"").decode(
+                                "utf8", "backslashreplace"
+                            )
+                            safe_print(parser.parse_line(line, time_str))
+
+                            backtrace_state = platformio_api.process_stacktrace(
+                                config, line, backtrace_state=backtrace_state
+                            )
                     except serial.SerialException:
                         _LOGGER.error("Serial port closed!")
                         return 0
-                    line = (
-                        raw.replace(b"\r", b"")
-                        .replace(b"\n", b"")
-                        .decode("utf8", "backslashreplace")
-                    )
-                    time_ = datetime.now()
-                    nanoseconds = time_.microsecond // 1000
-                    time_str = f"[{time_.hour:02}:{time_.minute:02}:{time_.second:02}.{nanoseconds:03}]"
-                    safe_print(parser.parse_line(line, time_str))
-
-                    backtrace_state = platformio_api.process_stacktrace(
-                        config, line, backtrace_state=backtrace_state
-                    )
         except serial.SerialException:
             tries += 1
             time.sleep(1)
@@ -789,7 +804,13 @@ def command_compile(args: ArgsProtocol, config: ConfigType) -> int | None:
     exit_code = compile_program(args, config)
     if exit_code != 0:
         return exit_code
-    _LOGGER.info("Successfully compiled program.")
+    if CORE.is_host:
+        from esphome.platformio_api import get_idedata
+
+        program_path = str(get_idedata(config).firmware_elf_path)
+        _LOGGER.info("Successfully compiled program to path '%s'", program_path)
+    else:
+        _LOGGER.info("Successfully compiled program.")
     return 0
 
 
@@ -839,10 +860,8 @@ def command_run(args: ArgsProtocol, config: ConfigType) -> int | None:
     if CORE.is_host:
         from esphome.platformio_api import get_idedata
 
-        idedata = get_idedata(config)
-        if idedata is None:
-            return 1
-        program_path = idedata.raw["prog_path"]
+        program_path = str(get_idedata(config).firmware_elf_path)
+        _LOGGER.info("Running program from path '%s'", program_path)
         return run_external_process(program_path)
 
     # Get devices, resolving special identifiers like OTA
@@ -1013,6 +1032,7 @@ def command_analyze_memory(args: ArgsProtocol, config: ConfigType) -> int:
         idedata.objdump_path,
         idedata.readelf_path,
         external_components,
+        idedata=idedata,
     )
     analyzer.analyze()
 

esphome/analyze_memory/__init__.py

@@ -22,6 +22,7 @@ from .helpers import (
     map_section_name,
     parse_symbol_line,
 )
+from .toolchain import find_tool, run_tool
 
 if TYPE_CHECKING:
     from esphome.platformio_api import IDEData
@@ -53,6 +54,9 @@ _NAMESPACE_STD = "std::"
 # Type alias for symbol information: (symbol_name, size, component)
 SymbolInfoType = tuple[str, int, str]
 
+# RAM sections - symbols in these sections consume RAM
+RAM_SECTIONS = frozenset([".data", ".bss"])
+
 
 @dataclass
 class MemorySection:
@@ -60,7 +64,20 @@ class MemorySection:
 
     name: str
     symbols: list[SymbolInfoType] = field(default_factory=list)
-    total_size: int = 0
+    total_size: int = 0  # Actual section size from ELF headers
+    symbol_size: int = 0  # Sum of symbol sizes (may be less than total_size)
+
+
+@dataclass
+class SDKSymbol:
+    """Represents a symbol from an SDK library that's not in the ELF symbol table."""
+
+    name: str
+    size: int
+    library: str  # Name of the .a file (e.g., "libpp.a")
+    section: str  # ".bss" or ".data"
+    is_local: bool  # True if static/local symbol (lowercase in nm output)
+    demangled: str = ""  # Demangled name (populated after analysis)
 
 
 @dataclass
@@ -118,6 +135,10 @@ class MemoryAnalyzer:
         self.objdump_path = objdump_path or "objdump"
         self.readelf_path = readelf_path or "readelf"
         self.external_components = external_components or set()
+        self._idedata = idedata
+
+        # Derive nm path from objdump path using shared toolchain utility
+        self.nm_path = find_tool("nm", self.objdump_path)
 
         self.sections: dict[str, MemorySection] = {}
         self.components: dict[str, ComponentMemory] = defaultdict(
@@ -128,15 +149,25 @@ class MemoryAnalyzer:
         self._esphome_core_symbols: list[
             tuple[str, str, int]
         ] = []  # Track core symbols
-        self._component_symbols: dict[str, list[tuple[str, str, int]]] = defaultdict(
+        # Track symbols for all components: (symbol_name, demangled, size, section)
+        self._component_symbols: dict[str, list[tuple[str, str, int, str]]] = (
+            defaultdict(list)
+        )
+        # Track RAM symbols separately for detailed analysis: (symbol_name, demangled, size, section)
+        self._ram_symbols: dict[str, list[tuple[str, str, int, str]]] = defaultdict(
             list
-        )  # Track symbols for all components
+        )
+        # Track ELF symbol names for SDK cross-reference
+        self._elf_symbol_names: set[str] = set()
+        # SDK symbols not in ELF (static/local symbols from closed-source libs)
+        self._sdk_symbols: list[SDKSymbol] = []
 
     def analyze(self) -> dict[str, ComponentMemory]:
         """Analyze the ELF file and return component memory usage."""
         self._parse_sections()
         self._parse_symbols()
         self._categorize_symbols()
+        self._analyze_sdk_libraries()
         return dict(self.components)
 
     def _parse_sections(self) -> None:
@@ -190,6 +221,8 @@ class MemoryAnalyzer:
                 continue
 
             self.sections[section].symbols.append((name, size, ""))
+            self.sections[section].symbol_size += size
+            self._elf_symbol_names.add(name)
             seen_addresses.add(address)
 
     def _categorize_symbols(self) -> None:
@@ -233,8 +266,13 @@ class MemoryAnalyzer:
                 if size > 0:
                     demangled = self._demangle_symbol(symbol_name)
                     self._component_symbols[component].append(
-                        (symbol_name, demangled, size)
+                        (symbol_name, demangled, size, section_name)
                     )
+                    # Track RAM symbols separately for detailed RAM analysis
+                    if section_name in RAM_SECTIONS:
+                        self._ram_symbols[component].append(
+                            (symbol_name, demangled, size, section_name)
+                        )
 
     def _identify_component(self, symbol_name: str) -> str:
         """Identify which component a symbol belongs to."""
@@ -328,6 +366,247 @@ class MemoryAnalyzer:
 
         return "Other Core"
 
+    def get_unattributed_ram(self) -> tuple[int, int, int]:
+        """Get unattributed RAM sizes (SDK/framework overhead).
+
+        Returns:
+            Tuple of (unattributed_bss, unattributed_data, total_unattributed)
+            These are bytes in RAM sections that have no corresponding symbols.
+        """
+        bss_section = self.sections.get(".bss")
+        data_section = self.sections.get(".data")
+
+        unattributed_bss = 0
+        unattributed_data = 0
+
+        if bss_section:
+            unattributed_bss = max(0, bss_section.total_size - bss_section.symbol_size)
+        if data_section:
+            unattributed_data = max(
+                0, data_section.total_size - data_section.symbol_size
+            )
+
+        return unattributed_bss, unattributed_data, unattributed_bss + unattributed_data
+
+    def _find_sdk_library_dirs(self) -> list[Path]:
+        """Find SDK library directories based on platform.
+
+        Returns:
+            List of paths to SDK library directories containing .a files.
+        """
+        sdk_dirs: list[Path] = []
+
+        if self._idedata is None:
+            return sdk_dirs
+
+        # Get the CC path to determine the framework location
+        cc_path = getattr(self._idedata, "cc_path", None)
+        if not cc_path:
+            return sdk_dirs
+
+        cc_path = Path(cc_path)
+
+        # For ESP8266 Arduino framework
+        # CC is like: ~/.platformio/packages/toolchain-xtensa/bin/xtensa-lx106-elf-gcc
+        # SDK libs are in: ~/.platformio/packages/framework-arduinoespressif8266/tools/sdk/lib/
+        if "xtensa-lx106" in str(cc_path):
+            platformio_dir = cc_path.parent.parent.parent
+            esp8266_sdk = (
+                platformio_dir
+                / "framework-arduinoespressif8266"
+                / "tools"
+                / "sdk"
+                / "lib"
+            )
+            if esp8266_sdk.exists():
+                sdk_dirs.append(esp8266_sdk)
+                # Also check for NONOSDK subdirectories (closed-source libs)
+                sdk_dirs.extend(
+                    subdir
+                    for subdir in esp8266_sdk.iterdir()
+                    if subdir.is_dir() and subdir.name.startswith("NONOSDK")
+                )
+
+        # For ESP32 IDF framework
+        # CC is like: ~/.platformio/packages/toolchain-xtensa-esp-elf/bin/xtensa-esp32-elf-gcc
+        # or: ~/.platformio/packages/toolchain-riscv32-esp/bin/riscv32-esp-elf-gcc
+        elif "xtensa-esp" in str(cc_path) or "riscv32-esp" in str(cc_path):
+            # Detect ESP32 variant from CC path or defines
+            variant = self._detect_esp32_variant()
+            if variant:
+                platformio_dir = cc_path.parent.parent.parent
+                espidf_dir = platformio_dir / "framework-espidf" / "components"
+                if espidf_dir.exists():
+                    # Find all directories named after the variant that contain .a files
+                    # This handles various ESP-IDF library layouts:
+                    # - components/*/lib/<variant>/
+                    # - components/*/<variant>/
+                    # - components/*/lib/lib/<variant>/
+                    # - components/*/*/lib_*/<variant>/
+                    sdk_dirs.extend(
+                        variant_dir
+                        for variant_dir in espidf_dir.rglob(variant)
+                        if variant_dir.is_dir() and any(variant_dir.glob("*.a"))
+                    )
+
+        return sdk_dirs
+
+    def _detect_esp32_variant(self) -> str | None:
+        """Detect ESP32 variant from idedata defines.
+
+        Returns:
+            Variant string like 'esp32', 'esp32s2', 'esp32c3', etc. or None.
+        """
+        if self._idedata is None:
+            return None
+
+        defines = getattr(self._idedata, "defines", [])
+        if not defines:
+            return None
+
+        # ESPHome always adds USE_ESP32_VARIANT_xxx defines
+        variant_prefix = "USE_ESP32_VARIANT_"
+        for define in defines:
+            if define.startswith(variant_prefix):
+                # Extract variant name and convert to lowercase
+                # USE_ESP32_VARIANT_ESP32 -> esp32
+                # USE_ESP32_VARIANT_ESP32S3 -> esp32s3
+                return define[len(variant_prefix) :].lower()
+
+        return None
+
+    def _parse_sdk_library(
+        self, lib_path: Path
+    ) -> tuple[list[tuple[str, int, str, bool]], set[str]]:
+        """Parse a single SDK library for symbols.
+
+        Args:
+            lib_path: Path to the .a library file
+
+        Returns:
+            Tuple of:
+            - List of BSS/DATA symbols: (symbol_name, size, section, is_local)
+            - Set of global BSS/DATA symbol names (for checking if RAM is linked)
+        """
+        ram_symbols: list[tuple[str, int, str, bool]] = []
+        global_ram_symbols: set[str] = set()
+
+        result = run_tool([self.nm_path, "--size-sort", str(lib_path)], timeout=10)
+        if result is None:
+            return ram_symbols, global_ram_symbols
+
+        for line in result.stdout.splitlines():
+            parts = line.split()
+            if len(parts) < 3:
+                continue
+
+            try:
+                size = int(parts[0], 16)
+                sym_type = parts[1]
+                name = parts[2]
+
+                # Only collect BSS (b/B) and DATA (d/D) for RAM analysis
+                if sym_type in ("b", "B"):
+                    section = ".bss"
+                    is_local = sym_type == "b"
+                    ram_symbols.append((name, size, section, is_local))
+                    # Track global RAM symbols (B/D) for linking check
+                    if sym_type == "B":
+                        global_ram_symbols.add(name)
+                elif sym_type in ("d", "D"):
+                    section = ".data"
+                    is_local = sym_type == "d"
+                    ram_symbols.append((name, size, section, is_local))
+                    if sym_type == "D":
+                        global_ram_symbols.add(name)
+            except (ValueError, IndexError):
+                continue
+
+        return ram_symbols, global_ram_symbols
+
+    def _analyze_sdk_libraries(self) -> None:
+        """Analyze SDK libraries to find symbols not in the ELF.
+
+        This finds static/local symbols from closed-source SDK libraries
+        that consume RAM but don't appear in the final ELF symbol table.
+        Only includes symbols from libraries that have RAM actually linked
+        (at least one global BSS/DATA symbol in the ELF).
+        """
+        sdk_dirs = self._find_sdk_library_dirs()
+        if not sdk_dirs:
+            _LOGGER.debug("No SDK library directories found")
+            return
+
+        _LOGGER.debug("Analyzing SDK libraries in %d directories", len(sdk_dirs))
+
+        # Track seen symbols to avoid duplicates from multiple SDK versions
+        seen_symbols: set[str] = set()
+
+        for sdk_dir in sdk_dirs:
+            for lib_path in sorted(sdk_dir.glob("*.a")):
+                lib_name = lib_path.name
+                ram_symbols, global_ram_symbols = self._parse_sdk_library(lib_path)
+
+                # Check if this library's RAM is actually linked by seeing if any
+                # of its global BSS/DATA symbols appear in the ELF
+                if not global_ram_symbols & self._elf_symbol_names:
+                    # No RAM from this library is in the ELF - skip it
+                    continue
+
+                for name, size, section, is_local in ram_symbols:
+                    # Skip if already in ELF or already seen from another lib
+                    if name in self._elf_symbol_names or name in seen_symbols:
+                        continue
+
+                    # Only track symbols with non-zero size
+                    if size > 0:
+                        self._sdk_symbols.append(
+                            SDKSymbol(
+                                name=name,
+                                size=size,
+                                library=lib_name,
+                                section=section,
+                                is_local=is_local,
+                            )
+                        )
+                        seen_symbols.add(name)
+
+        # Demangle SDK symbols for better readability
+        if self._sdk_symbols:
+            sdk_names = [sym.name for sym in self._sdk_symbols]
+            demangled_map = batch_demangle(sdk_names, objdump_path=self.objdump_path)
+            for sym in self._sdk_symbols:
+                sym.demangled = demangled_map.get(sym.name, sym.name)
+
+        # Sort by size descending for reporting
+        self._sdk_symbols.sort(key=lambda s: s.size, reverse=True)
+
+        total_sdk_ram = sum(s.size for s in self._sdk_symbols)
+        _LOGGER.debug(
+            "Found %d SDK symbols not in ELF, totaling %d bytes",
+            len(self._sdk_symbols),
+            total_sdk_ram,
+        )
+
+    def get_sdk_ram_symbols(self) -> list[SDKSymbol]:
+        """Get SDK symbols that consume RAM but aren't in the ELF symbol table.
+
+        Returns:
+            List of SDKSymbol objects sorted by size descending.
+        """
+        return self._sdk_symbols
+
+    def get_sdk_ram_by_library(self) -> dict[str, list[SDKSymbol]]:
+        """Get SDK RAM symbols grouped by library.
+
+        Returns:
+            Dictionary mapping library name to list of symbols.
+        """
+        by_lib: dict[str, list[SDKSymbol]] = defaultdict(list)
+        for sym in self._sdk_symbols:
+            by_lib[sym.library].append(sym)
+        return dict(by_lib)
+
 
 if __name__ == "__main__":
     from .cli import main

esphome/analyze_memory/cli.py

@@ -1,16 +1,24 @@
 """CLI interface for memory analysis with report generation."""
 
+from __future__ import annotations
+
 from collections import defaultdict
+from collections.abc import Callable
 import sys
+from typing import TYPE_CHECKING
 
 from . import (
     _COMPONENT_API,
     _COMPONENT_CORE,
     _COMPONENT_PREFIX_ESPHOME,
     _COMPONENT_PREFIX_EXTERNAL,
+    RAM_SECTIONS,
     MemoryAnalyzer,
 )
 
+if TYPE_CHECKING:
+    from . import ComponentMemory
+
 
 class MemoryAnalyzerCLI(MemoryAnalyzer):
     """Memory analyzer with CLI-specific report generation."""
@@ -19,6 +27,8 @@ class MemoryAnalyzerCLI(MemoryAnalyzer):
     SYMBOL_SIZE_THRESHOLD: int = (
         100  # Show symbols larger than this in detailed analysis
     )
+    # Lower threshold for RAM symbols (RAM is more constrained)
+    RAM_SYMBOL_SIZE_THRESHOLD: int = 24
 
     # Column width constants
     COL_COMPONENT: int = 29
@@ -83,6 +93,60 @@ class MemoryAnalyzerCLI(MemoryAnalyzer):
         COL_CORE_PERCENT,
     )
 
+    def _add_section_header(self, lines: list[str], title: str) -> None:
+        """Add a section header with title centered between separator lines."""
+        lines.append("")
+        lines.append("=" * self.TABLE_WIDTH)
+        lines.append(title.center(self.TABLE_WIDTH))
+        lines.append("=" * self.TABLE_WIDTH)
+        lines.append("")
+
+    def _add_top_consumers(
+        self,
+        lines: list[str],
+        title: str,
+        components: list[tuple[str, ComponentMemory]],
+        get_size: Callable[[ComponentMemory], int],
+        total: int,
+        memory_type: str,
+        limit: int = 25,
+    ) -> None:
+        """Add a formatted list of top memory consumers to the report.
+
+        Args:
+            lines: List of report lines to append the output to.
+            title: Section title to print before the list.
+            components: Sequence of (name, ComponentMemory) tuples to analyze.
+            get_size: Callable that takes a ComponentMemory and returns the
+                size in bytes to use for ranking and display.
+            total: Total size in bytes for computing percentage usage.
+            memory_type: Label for the memory region (e.g., "flash" or "RAM").
+            limit: Maximum number of components to include in the list.
+        """
+        lines.append("")
+        lines.append(f"{title}:")
+        for i, (name, mem) in enumerate(components[:limit]):
+            size = get_size(mem)
+            if size > 0:
+                percentage = (size / total * 100) if total > 0 else 0
+                lines.append(
+                    f"{i + 1}. {name} ({size:,} B) - {percentage:.1f}% of analyzed {memory_type}"
+                )
+
+    def _format_symbol_with_section(
+        self, demangled: str, size: int, section: str | None = None
+    ) -> str:
+        """Format a symbol entry, optionally adding a RAM section label.
+
+        If section is one of the RAM sections (.data or .bss), a label like
+        " [data]" or " [bss]" is appended. For non-RAM sections or when
+        section is None, no section label is added.
+        """
+        section_label = ""
+        if section in RAM_SECTIONS:
+            section_label = f" [{section[1:]}]"  # .data -> [data], .bss -> [bss]
+        return f"{demangled} ({size:,} B){section_label}"
+
     def generate_report(self, detailed: bool = False) -> str:
         """Generate a formatted memory report."""
         components = sorted(
@@ -123,43 +187,70 @@ class MemoryAnalyzerCLI(MemoryAnalyzer):
             f"{total_flash:>{self.COL_TOTAL_FLASH - 2},} B | {total_ram:>{self.COL_TOTAL_RAM - 2},} B"
         )
 
-        # Top consumers
-        lines.append("")
-        lines.append("Top Flash Consumers:")
-        for i, (name, mem) in enumerate(components[:25]):
-            if mem.flash_total > 0:
-                percentage = (
-                    (mem.flash_total / total_flash * 100) if total_flash > 0 else 0
-                )
-                lines.append(
-                    f"{i + 1}. {name} ({mem.flash_total:,} B) - {percentage:.1f}% of analyzed flash"
-                )
-
-        lines.append("")
-        lines.append("Top RAM Consumers:")
-        ram_components = sorted(components, key=lambda x: x[1].ram_total, reverse=True)
-        for i, (name, mem) in enumerate(ram_components[:25]):
-            if mem.ram_total > 0:
-                percentage = (mem.ram_total / total_ram * 100) if total_ram > 0 else 0
-                lines.append(
-                    f"{i + 1}. {name} ({mem.ram_total:,} B) - {percentage:.1f}% of analyzed RAM"
-                )
-
-        lines.append("")
-        lines.append(
-            "Note: This analysis covers symbols in the ELF file. Some runtime allocations may not be included."
+        # Show unattributed RAM (SDK/framework overhead)
+        unattributed_bss, unattributed_data, unattributed_total = (
+            self.get_unattributed_ram()
+        )
+        if unattributed_total > 0:
+            lines.append("")
+            lines.append(
+                f"Unattributed RAM: {unattributed_total:,} B (SDK/framework overhead)"
+            )
+            if unattributed_bss > 0 and unattributed_data > 0:
+                lines.append(
+                    f"  .bss: {unattributed_bss:,} B | .data: {unattributed_data:,} B"
+                )
+
+            # Show SDK symbol breakdown if available
+            sdk_by_lib = self.get_sdk_ram_by_library()
+            if sdk_by_lib:
+                lines.append("")
+                lines.append("SDK library breakdown (static symbols not in ELF):")
+                # Sort libraries by total size
+                lib_totals = [
+                    (lib, sum(s.size for s in syms), syms)
+                    for lib, syms in sdk_by_lib.items()
+                ]
+                lib_totals.sort(key=lambda x: x[1], reverse=True)
+
+                for lib_name, lib_total, syms in lib_totals:
+                    if lib_total == 0:
+                        continue
+                    lines.append(f"  {lib_name}: {lib_total:,} B")
+                    # Show top symbols from this library
+                    for sym in sorted(syms, key=lambda s: s.size, reverse=True)[:3]:
+                        section_label = sym.section.lstrip(".")
+                        # Use demangled name (falls back to original if not demangled)
+                        display_name = sym.demangled or sym.name
+                        if len(display_name) > 50:
+                            display_name = f"{display_name[:47]}..."
+                        lines.append(
+                            f"    {sym.size:>6,} B [{section_label}] {display_name}"
+                        )
+
+        # Top consumers
+        self._add_top_consumers(
+            lines,
+            "Top Flash Consumers",
+            components,
+            lambda m: m.flash_total,
+            total_flash,
+            "flash",
+        )
+
+        ram_components = sorted(components, key=lambda x: x[1].ram_total, reverse=True)
+        self._add_top_consumers(
+            lines,
+            "Top RAM Consumers",
+            ram_components,
+            lambda m: m.ram_total,
+            total_ram,
+            "RAM",
         )
-        lines.append("=" * self.TABLE_WIDTH)
 
         # Add ESPHome core detailed analysis if there are core symbols
         if self._esphome_core_symbols:
-            lines.append("")
-            lines.append("=" * self.TABLE_WIDTH)
-            lines.append(
-                f"{_COMPONENT_CORE} Detailed Analysis".center(self.TABLE_WIDTH)
-            )
-            lines.append("=" * self.TABLE_WIDTH)
-            lines.append("")
+            self._add_section_header(lines, f"{_COMPONENT_CORE} Detailed Analysis")
 
             # Group core symbols by subcategory
             core_subcategories: dict[str, list[tuple[str, str, int]]] = defaultdict(
@@ -211,7 +302,11 @@ class MemoryAnalyzerCLI(MemoryAnalyzer):
                 f"{_COMPONENT_CORE} Symbols > {self.SYMBOL_SIZE_THRESHOLD} B ({len(large_core_symbols)} symbols):"
             )
             for i, (symbol, demangled, size) in enumerate(large_core_symbols):
-                lines.append(f"{i + 1}. {demangled} ({size:,} B)")
+                # Core symbols only track (symbol, demangled, size) without section info,
+                # so we don't show section labels here
+                lines.append(
+                    f"{i + 1}. {self._format_symbol_with_section(demangled, size)}"
+                )
 
             lines.append("=" * self.TABLE_WIDTH)
 
@@ -267,11 +362,7 @@ class MemoryAnalyzerCLI(MemoryAnalyzer):
             for comp_name, comp_mem in components_to_analyze:
                 if not (comp_symbols := self._component_symbols.get(comp_name, [])):
                     continue
-                lines.append("")
-                lines.append("=" * self.TABLE_WIDTH)
-                lines.append(f"{comp_name} Detailed Analysis".center(self.TABLE_WIDTH))
-                lines.append("=" * self.TABLE_WIDTH)
-                lines.append("")
+                self._add_section_header(lines, f"{comp_name} Detailed Analysis")
 
                 # Sort symbols by size
                 sorted_symbols = sorted(comp_symbols, key=lambda x: x[2], reverse=True)
@@ -282,19 +373,69 @@ class MemoryAnalyzerCLI(MemoryAnalyzer):
 
                 # Show all symbols above threshold for better visibility
                 large_symbols = [
-                    (sym, dem, size)
-                    for sym, dem, size in sorted_symbols
+                    (sym, dem, size, sec)
+                    for sym, dem, size, sec in sorted_symbols
                     if size > self.SYMBOL_SIZE_THRESHOLD
                 ]
 
                 lines.append(
                     f"{comp_name} Symbols > {self.SYMBOL_SIZE_THRESHOLD} B ({len(large_symbols)} symbols):"
                 )
-                for i, (symbol, demangled, size) in enumerate(large_symbols):
-                    lines.append(f"{i + 1}. {demangled} ({size:,} B)")
+                for i, (symbol, demangled, size, section) in enumerate(large_symbols):
+                    lines.append(
+                        f"{i + 1}. {self._format_symbol_with_section(demangled, size, section)}"
+                    )
 
                 lines.append("=" * self.TABLE_WIDTH)
 
+        # Detailed RAM analysis by component (at end, before RAM strings analysis)
+        self._add_section_header(lines, "RAM Symbol Analysis by Component")
+
+        # Show top 15 RAM consumers with their large symbols
+        for name, mem in ram_components[:15]:
+            if mem.ram_total == 0:
+                continue
+            ram_syms = self._ram_symbols.get(name, [])
+            if not ram_syms:
+                continue
+
+            # Sort by size descending
+            sorted_ram_syms = sorted(ram_syms, key=lambda x: x[2], reverse=True)
+            large_ram_syms = [
+                s for s in sorted_ram_syms if s[2] > self.RAM_SYMBOL_SIZE_THRESHOLD
+            ]
+
+            lines.append(f"{name} ({mem.ram_total:,} B total RAM):")
+
+            # Show breakdown by section type
+            data_size = sum(s[2] for s in ram_syms if s[3] == ".data")
+            bss_size = sum(s[2] for s in ram_syms if s[3] == ".bss")
+            lines.append(f"  .data (initialized): {data_size:,} B")
+            lines.append(f"  .bss (uninitialized): {bss_size:,} B")
+
+            if large_ram_syms:
+                lines.append(
+                    f"  Symbols > {self.RAM_SYMBOL_SIZE_THRESHOLD} B ({len(large_ram_syms)}):"
+                )
+                for symbol, demangled, size, section in large_ram_syms[:10]:
+                    # Format section label consistently by stripping leading dot
+                    section_label = section.lstrip(".") if section else ""
+                    # Add ellipsis if name is truncated
+                    demangled_display = (
+                        f"{demangled[:70]}..." if len(demangled) > 70 else demangled
+                    )
+                    lines.append(
+                        f"    {size:>6,} B [{section_label}] {demangled_display}"
+                    )
+                if len(large_ram_syms) > 10:
+                    lines.append(f"    ... and {len(large_ram_syms) - 10} more")
+            lines.append("")
+
+        lines.append(
+            "Note: This analysis covers symbols in the ELF file. Some runtime allocations may not be included."
+        )
+        lines.append("=" * self.TABLE_WIDTH)
+
         return "\n".join(lines)
 
     def dump_uncategorized_symbols(self, output_file: str | None = None) -> None:

esphome/analyze_memory/const.py

@@ -7,11 +7,13 @@ ESPHOME_COMPONENT_PATTERN = re.compile(r"esphome::([a-zA-Z0-9_]+)::")
 
 # Section mapping for ELF file sections
 # Maps standard section names to their various platform-specific variants
+# Note: Order matters! More specific patterns (.bss) must come before general ones (.dram)
+# because ESP-IDF uses names like ".dram0.bss" which would match ".dram" otherwise
 SECTION_MAPPING = {
     ".text": frozenset([".text", ".iram"]),
     ".rodata": frozenset([".rodata"]),
+    ".bss": frozenset([".bss"]),  # Must be before .data to catch ".dram0.bss"
     ".data": frozenset([".data", ".dram"]),
-    ".bss": frozenset([".bss"]),
 }
 
 # Section to ComponentMemory attribute mapping
@@ -88,6 +90,77 @@ SYMBOL_PATTERNS = {
         "sys_mbox_new",
         "sys_arch_mbox_tryfetch",
     ],
+    # LibreTiny/Beken BK7231 radio calibration
+    "bk_radio_cal": [
+        "bk7011_",
+        "calibration_main",
+        "gcali_",
+        "rwnx_cal",
+    ],
+    # LibreTiny/Beken WiFi MAC layer
+    "bk_wifi_mac": [
+        "rxu_",  # RX upper layer
+        "txu_",  # TX upper layer
+        "txl_",  # TX lower layer
+        "rxl_",  # RX lower layer
+        "scanu_",  # Scan unit
+        "mm_hw_",  # MAC management hardware
+        "mm_bcn",  # MAC management beacon
+        "mm_tim",  # MAC management TIM
+        "mm_check",  # MAC management checks
+        "sm_connect",  # Station management
+        "me_beacon",  # Management entity beacon
+        "me_build",  # Management entity build
+        "hapd_",  # Host AP daemon
+        "chan_pre_",  # Channel management
+        "handle_probe_",  # Probe handling
+    ],
+    # LibreTiny/Beken system control
+    "bk_system": [
+        "sctrl_",  # System control
+        "icu_ctrl",  # Interrupt control unit
+        "gdma_ctrl",  # DMA control
+        "mpb_ctrl",  # MPB control
+        "uf2_",  # UF2 OTA
+        "bkreg_",  # Beken registers
+    ],
+    # LibreTiny/Beken BLE stack
+    "bk_ble": [
+        "gapc_",  # GAP client
+        "gattc_",  # GATT client
+        "attc_",  # ATT client
+        "attmdb_",  # ATT database
+        "atts_",  # ATT server
+        "l2cc_",  # L2CAP
+        "prf_env",  # Profile environment
+    ],
+    # LibreTiny/Beken scheduler
+    "bk_scheduler": [
+        "sch_plan_",  # Scheduler plan
+        "sch_prog_",  # Scheduler program
+        "sch_arb_",  # Scheduler arbiter
+    ],
+    # LibreTiny/Beken DMA descriptors
+    "bk_dma": [
+        "rx_payload_desc",
+        "rx_dma_hdrdesc",
+        "tx_hw_desc",
+        "host_event_data",
+        "host_cmd_data",
+    ],
+    # ARM EABI compiler runtime (LibreTiny uses ARM Cortex-M)
+    "arm_runtime": [
+        "__aeabi_",
+        "__adddf3",
+        "__subdf3",
+        "__muldf3",
+        "__divdf3",
+        "__addsf3",
+        "__subsf3",
+        "__mulsf3",
+        "__divsf3",
+        "__gnu_unwind",
+    ],
     "xtensa": ["xt_", "_xt_", "xPortEnterCriticalTimeout"],
     "heap": ["heap_", "multi_heap"],
     "spi_flash": ["spi_flash"],
@@ -782,7 +855,22 @@ SYMBOL_PATTERNS = {
     "math_internal": ["__mdiff", "__lshift", "__mprec_tens", "quorem"],
     "character_class": ["__chclass"],
     "camellia": ["camellia_", "camellia_feistel"],
-    "crypto_tables": ["FSb", "FSb2", "FSb3", "FSb4"],
+    "crypto_tables": [
+        "FSb",
+        "FSb2",
+        "FSb3",
+        "FSb4",
+        "Te0",  # AES encryption table
+        "Td0",  # AES decryption table
+        "crc32_table",  # CRC32 lookup table
+        "crc_tab",  # CRC lookup table
+    ],
+    "crypto_hash": [
+        "SHA1Transform",  # SHA1 hash function
+        "MD5Transform",  # MD5 hash function
+        "SHA256",
+        "SHA512",
+    ],
     "event_buffer": ["g_eb_list_desc", "eb_space"],
     "base_node": ["base_node_", "base_node_add_handler"],
     "file_descriptor": ["s_fd_table"],

esphome/analyze_memory/toolchain.py

@@ -5,6 +5,10 @@ from __future__ import annotations
 import logging
 from pathlib import Path
 import subprocess
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from collections.abc import Sequence
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -55,3 +59,35 @@ def find_tool(
 
     _LOGGER.warning("Could not find %s tool", tool_name)
     return None
+
+
+def run_tool(
+    cmd: Sequence[str],
+    timeout: int = 30,
+) -> subprocess.CompletedProcess[str] | None:
+    """Run a toolchain command and return the result.
+
+    Args:
+        cmd: Command and arguments to run
+        timeout: Timeout in seconds
+
+    Returns:
+        CompletedProcess on success, None on failure
+    """
+    try:
+        return subprocess.run(
+            cmd,
+            capture_output=True,
+            text=True,
+            timeout=timeout,
+            check=False,
+        )
+    except subprocess.TimeoutExpired:
+        _LOGGER.warning("Command timed out: %s", " ".join(cmd))
+        return None
+    except FileNotFoundError:
+        _LOGGER.warning("Command not found: %s", cmd[0])
+        return None
+    except OSError as e:
+        _LOGGER.warning("Failed to run command %s: %s", cmd[0], e)
+        return None

esphome/components/a01nyub/a01nyub.cpp

@@ -30,7 +30,9 @@ void A01nyubComponent::check_buffer_() {
       ESP_LOGV(TAG, "Distance from sensor: %f mm, %f m", distance, meters);
       this->publish_state(meters);
     } else {
-      ESP_LOGW(TAG, "Invalid data read from sensor: %s", format_hex_pretty(this->buffer_).c_str());
+      char hex_buf[format_hex_pretty_size(4)];
+      ESP_LOGW(TAG, "Invalid data read from sensor: %s",
+               format_hex_pretty_to(hex_buf, this->buffer_.data(), this->buffer_.size()));
     }
   } else {
     ESP_LOGW(TAG, "checksum failed: %02x != %02x", checksum, this->buffer_[3]);

esphome/components/a02yyuw/a02yyuw.cpp

@@ -29,7 +29,9 @@ void A02yyuwComponent::check_buffer_() {
       ESP_LOGV(TAG, "Distance from sensor: %f mm", distance);
       this->publish_state(distance);
     } else {
-      ESP_LOGW(TAG, "Invalid data read from sensor: %s", format_hex_pretty(this->buffer_).c_str());
+      char hex_buf[format_hex_pretty_size(4)];
+      ESP_LOGW(TAG, "Invalid data read from sensor: %s",
+               format_hex_pretty_to(hex_buf, this->buffer_.data(), this->buffer_.size()));
     }
   } else {
     ESP_LOGW(TAG, "checksum failed: %02x != %02x", checksum, this->buffer_[3]);

esphome/components/absolute_humidity/absolute_humidity.cpp

@@ -90,13 +90,16 @@ void AbsoluteHumidityComponent::loop() {
       this->status_set_error(LOG_STR("Invalid saturation vapor pressure equation selection!"));
       return;
   }
-  ESP_LOGD(TAG, "Saturation vapor pressure %f kPa", es);
 
   // Calculate absolute humidity
   const float absolute_humidity = vapor_density(es, hr, temperature_k);
 
+  ESP_LOGD(TAG,
+           "Saturation vapor pressure %f kPa\n"
+           "Publishing absolute humidity %f g/m³",
+           es, absolute_humidity);
+
   // Publish absolute humidity
-  ESP_LOGD(TAG, "Publishing absolute humidity %f g/m³", absolute_humidity);
   this->status_clear_warning();
   this->publish_state(absolute_humidity);
 }

esphome/components/ac_dimmer/ac_dimmer.cpp

@@ -1,5 +1,3 @@
-#ifdef USE_ARDUINO
-
 #include "ac_dimmer.h"
 #include "esphome/core/helpers.h"
 #include "esphome/core/log.h"
@@ -9,12 +7,12 @@
 #ifdef USE_ESP8266
 #include <core_esp8266_waveform.h>
 #endif
-#ifdef USE_ESP32_FRAMEWORK_ARDUINO
-#include <esp32-hal-timer.h>
+
+#ifdef USE_ESP32
+#include "hw_timer_esp_idf.h"
 #endif
 
-namespace esphome {
-namespace ac_dimmer {
+namespace esphome::ac_dimmer {
 
 static const char *const TAG = "ac_dimmer";
 
@@ -27,7 +25,14 @@ static AcDimmerDataStore *all_dimmers[32];  // NOLINT(cppcoreguidelines-avoid-no
 /// However other factors like gate driver propagation time
 /// are also considered and a really low value is not important
 /// See also: https://github.com/esphome/issues/issues/1632
-static const uint32_t GATE_ENABLE_TIME = 50;
+static constexpr uint32_t GATE_ENABLE_TIME = 50;
+
+#ifdef USE_ESP32
+/// Timer frequency in Hz (1 MHz = 1µs resolution)
+static constexpr uint32_t TIMER_FREQUENCY_HZ = 1000000;
+/// Timer interrupt interval in microseconds
+static constexpr uint64_t TIMER_INTERVAL_US = 50;
+#endif
 
 /// Function called from timer interrupt
 /// Input is current time in microseconds (micros())
@@ -154,7 +159,7 @@ void IRAM_ATTR HOT AcDimmerDataStore::s_gpio_intr(AcDimmerDataStore *store) {
 #ifdef USE_ESP32
 // ESP32 implementation, uses basically the same code but needs to wrap
 // timer_interrupt() function to auto-reschedule
-static hw_timer_t *dimmer_timer = nullptr;  // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
+static HWTimer *dimmer_timer = nullptr;  // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
 void IRAM_ATTR HOT AcDimmerDataStore::s_timer_intr() { timer_interrupt(); }
 #endif
 
@@ -194,15 +199,15 @@ void AcDimmer::setup() {
   setTimer1Callback(&timer_interrupt);
 #endif
 #ifdef USE_ESP32
-  // timer frequency of 1mhz
-  dimmer_timer = timerBegin(1000000);
-  timerAttachInterrupt(dimmer_timer, &AcDimmerDataStore::s_timer_intr);
+  dimmer_timer = timer_begin(TIMER_FREQUENCY_HZ);
+  timer_attach_interrupt(dimmer_timer, &AcDimmerDataStore::s_timer_intr);
   // For ESP32, we can't use dynamic interval calculation because the timerX functions
   // are not callable from ISR (placed in flash storage).
   // Here we just use an interrupt firing every 50 µs.
-  timerAlarm(dimmer_timer, 50, true, 0);
+  timer_alarm(dimmer_timer, TIMER_INTERVAL_US, true, 0);
 #endif
 }
+
 void AcDimmer::write_state(float state) {
   state = std::acos(1 - (2 * state)) / std::numbers::pi;  // RMS power compensation
   auto new_value = static_cast<uint16_t>(roundf(state * 65535));
@@ -210,14 +215,15 @@ void AcDimmer::write_state(float state) {
     this->store_.init_cycle = this->init_with_half_cycle_;
   this->store_.value = new_value;
 }
+
 void AcDimmer::dump_config() {
-  ESP_LOGCONFIG(TAG, "AcDimmer:");
-  LOG_PIN("  Output Pin: ", this->gate_pin_);
-  LOG_PIN("  Zero-Cross Pin: ", this->zero_cross_pin_);
   ESP_LOGCONFIG(TAG,
+                "AcDimmer:\n"
                 "   Min Power: %.1f%%\n"
                 "   Init with half cycle: %s",
                 this->store_.min_power / 10.0f, YESNO(this->init_with_half_cycle_));
+  LOG_PIN("  Output Pin: ", this->gate_pin_);
+  LOG_PIN("  Zero-Cross Pin: ", this->zero_cross_pin_);
   if (method_ == DIM_METHOD_LEADING_PULSE) {
     ESP_LOGCONFIG(TAG, "   Method: leading pulse");
   } else if (method_ == DIM_METHOD_LEADING) {
@@ -230,7 +236,4 @@ void AcDimmer::dump_config() {
   ESP_LOGV(TAG, "  Estimated Frequency: %.3fHz", 1e6f / this->store_.cycle_time_us / 2);
 }
 
-}  // namespace ac_dimmer
-}  // namespace esphome
-
-#endif  // USE_ARDUINO
+}  // namespace esphome::ac_dimmer

esphome/components/ac_dimmer/ac_dimmer.h

@@ -1,13 +1,10 @@
 #pragma once
 
-#ifdef USE_ARDUINO
-
 #include "esphome/core/component.h"
 #include "esphome/core/hal.h"
 #include "esphome/components/output/float_output.h"
 
-namespace esphome {
-namespace ac_dimmer {
+namespace esphome::ac_dimmer {
 
 enum DimMethod { DIM_METHOD_LEADING_PULSE = 0, DIM_METHOD_LEADING, DIM_METHOD_TRAILING };
 
@@ -64,7 +61,4 @@ class AcDimmer : public output::FloatOutput, public Component {
   DimMethod method_;
 };
 
-}  // namespace ac_dimmer
-}  // namespace esphome
-
-#endif  // USE_ARDUINO
+}  // namespace esphome::ac_dimmer

esphome/components/ac_dimmer/hw_timer_esp_idf.cpp

@@ -0,0 +1,152 @@
+#ifdef USE_ESP32
+
+#include "hw_timer_esp_idf.h"
+
+#include "freertos/FreeRTOS.h"
+#include "esphome/core/log.h"
+
+#include "driver/gptimer.h"
+#include "esp_clk_tree.h"
+#include "soc/clk_tree_defs.h"
+
+static const char *const TAG = "hw_timer_esp_idf";
+
+namespace esphome::ac_dimmer {
+
+// GPTimer divider constraints from ESP-IDF documentation
+static constexpr uint32_t GPTIMER_DIVIDER_MIN = 2;
+static constexpr uint32_t GPTIMER_DIVIDER_MAX = 65536;
+
+using voidFuncPtr = void (*)();
+using voidFuncPtrArg = void (*)(void *);
+
+struct InterruptConfigT {
+  voidFuncPtr fn{nullptr};
+  void *arg{nullptr};
+};
+
+struct HWTimer {
+  gptimer_handle_t timer_handle{nullptr};
+  InterruptConfigT interrupt_handle{};
+  bool timer_started{false};
+};
+
+HWTimer *timer_begin(uint32_t frequency) {
+  esp_err_t err = ESP_OK;
+  uint32_t counter_src_hz = 0;
+  uint32_t divider = 0;
+  soc_module_clk_t clk;
+  for (auto clk_candidate : SOC_GPTIMER_CLKS) {
+    clk = clk_candidate;
+    esp_clk_tree_src_get_freq_hz(clk, ESP_CLK_TREE_SRC_FREQ_PRECISION_CACHED, &counter_src_hz);
+    divider = counter_src_hz / frequency;
+    if ((divider >= GPTIMER_DIVIDER_MIN) && (divider <= GPTIMER_DIVIDER_MAX)) {
+      break;
+    } else {
+      divider = 0;
+    }
+  }
+
+  if (divider == 0) {
+    ESP_LOGE(TAG, "Resolution not possible; aborting");
+    return nullptr;
+  }
+
+  gptimer_config_t config = {
+      .clk_src = static_cast<gptimer_clock_source_t>(clk),
+      .direction = GPTIMER_COUNT_UP,
+      .resolution_hz = frequency,
+      .flags = {.intr_shared = true},
+  };
+
+  HWTimer *timer = new HWTimer();
+
+  err = gptimer_new_timer(&config, &timer->timer_handle);
+  if (err != ESP_OK) {
+    ESP_LOGE(TAG, "GPTimer creation failed; error %d", err);
+    delete timer;
+    return nullptr;
+  }
+
+  err = gptimer_enable(timer->timer_handle);
+  if (err != ESP_OK) {
+    ESP_LOGE(TAG, "GPTimer enable failed; error %d", err);
+    gptimer_del_timer(timer->timer_handle);
+    delete timer;
+    return nullptr;
+  }
+
+  err = gptimer_start(timer->timer_handle);
+  if (err != ESP_OK) {
+    ESP_LOGE(TAG, "GPTimer start failed; error %d", err);
+    gptimer_disable(timer->timer_handle);
+    gptimer_del_timer(timer->timer_handle);
+    delete timer;
+    return nullptr;
+  }
+
+  timer->timer_started = true;
+  return timer;
+}
+
+bool IRAM_ATTR timer_fn_wrapper(gptimer_handle_t timer, const gptimer_alarm_event_data_t *edata, void *args) {
+  auto *isr = static_cast<InterruptConfigT *>(args);
+  if (isr->fn) {
+    if (isr->arg) {
+      reinterpret_cast<voidFuncPtrArg>(isr->fn)(isr->arg);
+    } else {
+      isr->fn();
+    }
+  }
+  // Return false to indicate that no higher-priority task was woken and no context switch is requested.
+  return false;
+}
+
+static void timer_attach_interrupt_functional_arg(HWTimer *timer, void (*user_func)(void *), void *arg) {
+  if (timer == nullptr) {
+    ESP_LOGE(TAG, "Timer handle is nullptr");
+    return;
+  }
+  gptimer_event_callbacks_t cbs = {
+      .on_alarm = timer_fn_wrapper,
+  };
+
+  timer->interrupt_handle.fn = reinterpret_cast<voidFuncPtr>(user_func);
+  timer->interrupt_handle.arg = arg;
+
+  if (timer->timer_started) {
+    gptimer_stop(timer->timer_handle);
+  }
+  gptimer_disable(timer->timer_handle);
+  esp_err_t err = gptimer_register_event_callbacks(timer->timer_handle, &cbs, &timer->interrupt_handle);
+  if (err != ESP_OK) {
+    ESP_LOGE(TAG, "Timer Attach Interrupt failed; error %d", err);
+  }
+  gptimer_enable(timer->timer_handle);
+  if (timer->timer_started) {
+    gptimer_start(timer->timer_handle);
+  }
+}
+
+void timer_attach_interrupt(HWTimer *timer, voidFuncPtr user_func) {
+  timer_attach_interrupt_functional_arg(timer, reinterpret_cast<voidFuncPtrArg>(user_func), nullptr);
+}
+
+void timer_alarm(HWTimer *timer, uint64_t alarm_value, bool autoreload, uint64_t reload_count) {
+  if (timer == nullptr) {
+    ESP_LOGE(TAG, "Timer handle is nullptr");
+    return;
+  }
+  gptimer_alarm_config_t alarm_cfg = {
+      .alarm_count = alarm_value,
+      .reload_count = reload_count,
+      .flags = {.auto_reload_on_alarm = autoreload},
+  };
+  esp_err_t err = gptimer_set_alarm_action(timer->timer_handle, &alarm_cfg);
+  if (err != ESP_OK) {
+    ESP_LOGE(TAG, "Timer Alarm Write failed; error %d", err);
+  }
+}
+
+}  // namespace esphome::ac_dimmer
+#endif

esphome/components/ac_dimmer/hw_timer_esp_idf.h

@@ -0,0 +1,17 @@
+#pragma once
+#ifdef USE_ESP32
+
+#include "driver/gptimer_types.h"
+
+namespace esphome::ac_dimmer {
+
+struct HWTimer;
+
+HWTimer *timer_begin(uint32_t frequency);
+
+void timer_attach_interrupt(HWTimer *timer, void (*user_func)());
+void timer_alarm(HWTimer *timer, uint64_t alarm_value, bool autoreload, uint64_t reload_count);
+
+}  // namespace esphome::ac_dimmer
+
+#endif

esphome/components/ac_dimmer/output.py

@@ -3,6 +3,7 @@ import esphome.codegen as cg
 from esphome.components import output
 import esphome.config_validation as cv
 from esphome.const import CONF_ID, CONF_METHOD, CONF_MIN_POWER
+from esphome.core import CORE
 
 CODEOWNERS = ["@glmnet"]
 
@@ -31,11 +32,16 @@ CONFIG_SCHEMA = cv.All(
             ),
         }
     ).extend(cv.COMPONENT_SCHEMA),
-    cv.only_with_arduino,
 )
 
 
 async def to_code(config):
+    if CORE.is_esp8266:
+        # ac_dimmer uses setTimer1Callback which requires the waveform generator
+        from esphome.components.esp8266.const import require_waveform
+
+        require_waveform()
+
     var = cg.new_Pvariable(config[CONF_ID])
     await cg.register_component(var, config)
 

esphome/components/adc/adc_sensor_esp32.cpp

@@ -121,23 +121,21 @@ void ADCSensor::setup() {
 void ADCSensor::dump_config() {
   LOG_SENSOR("", "ADC Sensor", this);
   LOG_PIN("  Pin: ", this->pin_);
-  ESP_LOGCONFIG(TAG,
-                "  Channel:       %d\n"
-                "  Unit:          %s\n"
-                "  Attenuation:   %s\n"
-                "  Samples:       %i\n"
-                "  Sampling mode: %s",
-                this->channel_, LOG_STR_ARG(adc_unit_to_str(this->adc_unit_)),
-                this->autorange_ ? "Auto" : LOG_STR_ARG(attenuation_to_str(this->attenuation_)), this->sample_count_,
-                LOG_STR_ARG(sampling_mode_to_str(this->sampling_mode_)));
-
   ESP_LOGCONFIG(
       TAG,
+      "  Channel:       %d\n"
+      "  Unit:          %s\n"
+      "  Attenuation:   %s\n"
+      "  Samples:       %i\n"
+      "  Sampling mode: %s\n"
       "  Setup Status:\n"
       "    Handle Init:  %s\n"
       "    Config:       %s\n"
       "    Calibration:  %s\n"
       "    Overall Init: %s",
+      this->channel_, LOG_STR_ARG(adc_unit_to_str(this->adc_unit_)),
+      this->autorange_ ? "Auto" : LOG_STR_ARG(attenuation_to_str(this->attenuation_)), this->sample_count_,
+      LOG_STR_ARG(sampling_mode_to_str(this->sampling_mode_)),
       this->setup_flags_.handle_init_complete ? "OK" : "FAILED", this->setup_flags_.config_complete ? "OK" : "FAILED",
       this->setup_flags_.calibration_complete ? "OK" : "FAILED", this->setup_flags_.init_complete ? "OK" : "FAILED");
 

esphome/components/addressable_light/addressable_light_display.h

@@ -25,11 +25,13 @@ class AddressableLightDisplay : public display::DisplayBuffer {
       if (enabled_ && !enabled) {  // enabled -> disabled
         // - Tell the parent light to refresh, effectively wiping the display. Also
         //   restores the previous effect (if any).
-        light_state_->make_call().set_effect(this->last_effect_).perform();
+        if (this->last_effect_index_.has_value()) {
+          light_state_->make_call().set_effect(*this->last_effect_index_).perform();
+        }
 
       } else if (!enabled_ && enabled) {  // disabled -> enabled
-        // - Save the current effect.
-        this->last_effect_ = light_state_->get_effect_name();
+        // - Save the current effect index.
+        this->last_effect_index_ = light_state_->get_current_effect_index();
         // - Disable any current effect.
         light_state_->make_call().set_effect(0).perform();
       }
@@ -56,7 +58,7 @@ class AddressableLightDisplay : public display::DisplayBuffer {
   int32_t width_;
   int32_t height_;
   std::vector<Color> addressable_light_buffer_;
-  optional<std::string> last_effect_;
+  optional<uint32_t> last_effect_index_;
   optional<std::function<int(int, int)>> pixel_mapper_f_;
 };
 }  // namespace addressable_light

esphome/components/ade7880/ade7880.cpp

@@ -162,11 +162,13 @@ void ADE7880::update() {
 }
 
 void ADE7880::dump_config() {
-  ESP_LOGCONFIG(TAG, "ADE7880:");
+  ESP_LOGCONFIG(TAG,
+                "ADE7880:\n"
+                "  Frequency: %.0f Hz",
+                this->frequency_);
   LOG_PIN("  IRQ0  Pin: ", this->irq0_pin_);
   LOG_PIN("  IRQ1  Pin: ", this->irq1_pin_);
   LOG_PIN("  RESET Pin: ", this->reset_pin_);
-  ESP_LOGCONFIG(TAG, "  Frequency: %.0f Hz", this->frequency_);
 
   if (this->channel_a_ != nullptr) {
     ESP_LOGCONFIG(TAG, "  Phase A:");

esphome/components/ads1115/sensor/ads1115_sensor.cpp

@@ -21,10 +21,12 @@ void ADS1115Sensor::update() {
 
 void ADS1115Sensor::dump_config() {
   LOG_SENSOR("  ", "ADS1115 Sensor", this);
-  ESP_LOGCONFIG(TAG, "    Multiplexer: %u", this->multiplexer_);
-  ESP_LOGCONFIG(TAG, "    Gain: %u", this->gain_);
-  ESP_LOGCONFIG(TAG, "    Resolution: %u", this->resolution_);
-  ESP_LOGCONFIG(TAG, "    Sample rate: %u", this->samplerate_);
+  ESP_LOGCONFIG(TAG,
+                "    Multiplexer: %u\n"
+                "    Gain: %u\n"
+                "    Resolution: %u\n"
+                "    Sample rate: %u",
+                this->multiplexer_, this->gain_, this->resolution_, this->samplerate_);
 }
 
 }  // namespace ads1115

esphome/components/ads1118/sensor/ads1118_sensor.cpp

@@ -9,8 +9,10 @@ static const char *const TAG = "ads1118.sensor";
 
 void ADS1118Sensor::dump_config() {
   LOG_SENSOR("  ", "ADS1118 Sensor", this);
-  ESP_LOGCONFIG(TAG, "    Multiplexer: %u", this->multiplexer_);
-  ESP_LOGCONFIG(TAG, "    Gain: %u", this->gain_);
+  ESP_LOGCONFIG(TAG,
+                "    Multiplexer: %u\n"
+                "    Gain: %u",
+                this->multiplexer_, this->gain_);
 }
 
 float ADS1118Sensor::sample() {

esphome/components/airthings_ble/airthings_listener.cpp

@@ -20,7 +20,8 @@ bool AirthingsListener::parse_device(const esp32_ble_tracker::ESPBTDevice &devic
       sn |= ((uint32_t) it.data[2] << 16);
       sn |= ((uint32_t) it.data[3] << 24);
 
-      ESP_LOGD(TAG, "Found AirThings device Serial:%" PRIu32 " (MAC: %s)", sn, device.address_str().c_str());
+      char addr_buf[MAC_ADDRESS_PRETTY_BUFFER_SIZE];
+      ESP_LOGD(TAG, "Found AirThings device Serial:%" PRIu32 " (MAC: %s)", sn, device.address_str_to(addr_buf));
       return true;
     }
   }

esphome/components/airthings_wave_base/airthings_wave_base.cpp

@@ -1,4 +1,5 @@
 #include "airthings_wave_base.h"
+#include "esphome/components/esp32_ble/ble_uuid.h"
 
 // All information related to reading battery information came from the sensors.airthings_wave
 // project by Sverre Hamre (https://github.com/sverrham/sensor.airthings_wave)
@@ -93,8 +94,10 @@ void AirthingsWaveBase::update() {
 bool AirthingsWaveBase::request_read_values_() {
   auto *chr = this->parent()->get_characteristic(this->service_uuid_, this->sensors_data_characteristic_uuid_);
   if (chr == nullptr) {
-    ESP_LOGW(TAG, "No sensor characteristic found at service %s char %s", this->service_uuid_.to_string().c_str(),
-             this->sensors_data_characteristic_uuid_.to_string().c_str());
+    char service_buf[esp32_ble::UUID_STR_LEN];
+    char char_buf[esp32_ble::UUID_STR_LEN];
+    ESP_LOGW(TAG, "No sensor characteristic found at service %s char %s", this->service_uuid_.to_str(service_buf),
+             this->sensors_data_characteristic_uuid_.to_str(char_buf));
     return false;
   }
 
@@ -117,17 +120,20 @@ bool AirthingsWaveBase::request_battery_() {
 
   auto *chr = this->parent()->get_characteristic(this->service_uuid_, this->access_control_point_characteristic_uuid_);
   if (chr == nullptr) {
+    char service_buf[esp32_ble::UUID_STR_LEN];
+    char char_buf[esp32_ble::UUID_STR_LEN];
     ESP_LOGW(TAG, "No access control point characteristic found at service %s char %s",
-             this->service_uuid_.to_string().c_str(),
-             this->access_control_point_characteristic_uuid_.to_string().c_str());
+             this->service_uuid_.to_str(service_buf), this->access_control_point_characteristic_uuid_.to_str(char_buf));
     return false;
   }
 
   auto *descr = this->parent()->get_descriptor(this->service_uuid_, this->access_control_point_characteristic_uuid_,
                                                CLIENT_CHARACTERISTIC_CONFIGURATION_DESCRIPTOR_UUID);
   if (descr == nullptr) {
-    ESP_LOGW(TAG, "No CCC descriptor found at service %s char %s", this->service_uuid_.to_string().c_str(),
-             this->access_control_point_characteristic_uuid_.to_string().c_str());
+    char service_buf[esp32_ble::UUID_STR_LEN];
+    char char_buf[esp32_ble::UUID_STR_LEN];
+    ESP_LOGW(TAG, "No CCC descriptor found at service %s char %s", this->service_uuid_.to_str(service_buf),
+             this->access_control_point_characteristic_uuid_.to_str(char_buf));
     return false;
   }
 

esphome/components/alarm_control_panel/alarm_control_panel.cpp

@@ -8,8 +8,7 @@
 #include "esphome/core/helpers.h"
 #include "esphome/core/log.h"
 
-namespace esphome {
-namespace alarm_control_panel {
+namespace esphome::alarm_control_panel {
 
 static const char *const TAG = "alarm_control_panel";
 
@@ -115,5 +114,4 @@ void AlarmControlPanel::disarm(optional<std::string> code) {
   call.perform();
 }
 
-}  // namespace alarm_control_panel
-}  // namespace esphome
+}  // namespace esphome::alarm_control_panel

esphome/components/alarm_control_panel/alarm_control_panel.h

@@ -1,7 +1,5 @@
 #pragma once
 
-#include <map>
-
 #include "alarm_control_panel_call.h"
 #include "alarm_control_panel_state.h"
 
@@ -9,8 +7,7 @@
 #include "esphome/core/entity_base.h"
 #include "esphome/core/log.h"
 
-namespace esphome {
-namespace alarm_control_panel {
+namespace esphome::alarm_control_panel {
 
 enum AlarmControlPanelFeature : uint8_t {
   // Matches Home Assistant values
@@ -141,5 +138,4 @@ class AlarmControlPanel : public EntityBase {
   LazyCallbackManager<void()> ready_callback_{};
 };
 
-}  // namespace alarm_control_panel
-}  // namespace esphome
+}  // namespace esphome::alarm_control_panel

esphome/components/alarm_control_panel/alarm_control_panel_call.cpp

@@ -4,8 +4,7 @@
 
 #include "esphome/core/log.h"
 
-namespace esphome {
-namespace alarm_control_panel {
+namespace esphome::alarm_control_panel {
 
 static const char *const TAG = "alarm_control_panel";
 
@@ -99,5 +98,4 @@ void AlarmControlPanelCall::perform() {
   }
 }
 
-}  // namespace alarm_control_panel
-}  // namespace esphome
+}  // namespace esphome::alarm_control_panel

esphome/components/alarm_control_panel/alarm_control_panel_call.h

@@ -6,8 +6,7 @@
 
 #include "esphome/core/helpers.h"
 
-namespace esphome {
-namespace alarm_control_panel {
+namespace esphome::alarm_control_panel {
 
 class AlarmControlPanel;
 
@@ -36,5 +35,4 @@ class AlarmControlPanelCall {
   void validate_();
 };
 
-}  // namespace alarm_control_panel
-}  // namespace esphome
+}  // namespace esphome::alarm_control_panel

esphome/components/alarm_control_panel/alarm_control_panel_state.cpp

@@ -1,7 +1,6 @@
 #include "alarm_control_panel_state.h"
 
-namespace esphome {
-namespace alarm_control_panel {
+namespace esphome::alarm_control_panel {
 
 const LogString *alarm_control_panel_state_to_string(AlarmControlPanelState state) {
   switch (state) {
@@ -30,5 +29,4 @@ const LogString *alarm_control_panel_state_to_string(AlarmControlPanelState stat
   }
 }
 
-}  // namespace alarm_control_panel
-}  // namespace esphome
+}  // namespace esphome::alarm_control_panel

esphome/components/alarm_control_panel/alarm_control_panel_state.h

@@ -3,8 +3,7 @@
 #include <cstdint>
 #include "esphome/core/log.h"
 
-namespace esphome {
-namespace alarm_control_panel {
+namespace esphome::alarm_control_panel {
 
 enum AlarmControlPanelState : uint8_t {
   ACP_STATE_DISARMED = 0,
@@ -25,5 +24,4 @@ enum AlarmControlPanelState : uint8_t {
  */
 const LogString *alarm_control_panel_state_to_string(AlarmControlPanelState state);
 
-}  // namespace alarm_control_panel
-}  // namespace esphome
+}  // namespace esphome::alarm_control_panel

esphome/components/alarm_control_panel/automation.h

@@ -3,8 +3,7 @@
 #include "esphome/core/automation.h"
 #include "alarm_control_panel.h"
 
-namespace esphome {
-namespace alarm_control_panel {
+namespace esphome::alarm_control_panel {
 
 /// Trigger on any state change
 class StateTrigger : public Trigger<> {
@@ -165,5 +164,4 @@ template<typename... Ts> class AlarmControlPanelCondition : public Condition<Ts.
   AlarmControlPanel *parent_;
 };
 
-}  // namespace alarm_control_panel
-}  // namespace esphome
+}  // namespace esphome::alarm_control_panel

esphome/components/alpha3/alpha3.h

@@ -15,10 +15,8 @@ namespace alpha3 {
 namespace espbt = esphome::esp32_ble_tracker;
 
 static const espbt::ESPBTUUID ALPHA3_GENI_SERVICE_UUID = espbt::ESPBTUUID::from_uint16(0xfe5d);
-static const espbt::ESPBTUUID ALPHA3_GENI_CHARACTERISTIC_UUID =
-    espbt::ESPBTUUID::from_raw({static_cast<char>(0xa9), 0x7b, static_cast<char>(0xb8), static_cast<char>(0x85), 0x0,
-                                0x1a, 0x28, static_cast<char>(0xaa), 0x2a, 0x43, 0x6e, 0x3, static_cast<char>(0xd1),
-                                static_cast<char>(0xff), static_cast<char>(0x9c), static_cast<char>(0x85)});
+static const espbt::ESPBTUUID ALPHA3_GENI_CHARACTERISTIC_UUID = espbt::ESPBTUUID::from_raw(
+    {0xa9, 0x7b, 0xb8, 0x85, 0x00, 0x1a, 0x28, 0xaa, 0x2a, 0x43, 0x6e, 0x03, 0xd1, 0xff, 0x9c, 0x85});
 static const int16_t GENI_RESPONSE_HEADER_LENGTH = 13;
 static const size_t GENI_RESPONSE_TYPE_LENGTH = 8;
 

esphome/components/anova/anova.cpp

@@ -67,8 +67,10 @@ void Anova::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_
     case ESP_GATTC_SEARCH_CMPL_EVT: {
       auto *chr = this->parent_->get_characteristic(ANOVA_SERVICE_UUID, ANOVA_CHARACTERISTIC_UUID);
       if (chr == nullptr) {
-        ESP_LOGW(TAG, "[%s] No control service found at device, not an Anova..?", this->get_name().c_str());
-        ESP_LOGW(TAG, "[%s] Note, this component does not currently support Anova Nano.", this->get_name().c_str());
+        ESP_LOGW(TAG,
+                 "[%s] No control service found at device, not an Anova..?\n"
+                 "[%s] Note, this component does not currently support Anova Nano.",
+                 this->get_name().c_str(), this->get_name().c_str());
         break;
       }
       this->char_handle_ = chr->handle;

esphome/components/api/__init__.py

@@ -226,32 +226,6 @@ def _encryption_schema(config):
     return ENCRYPTION_SCHEMA(config)
 
 
-def _validate_api_config(config: ConfigType) -> ConfigType:
-    """Validate API configuration with mutual exclusivity check and deprecation warning."""
-    # Check if both password and encryption are configured
-    has_password = CONF_PASSWORD in config and config[CONF_PASSWORD]
-    has_encryption = CONF_ENCRYPTION in config
-
-    if has_password and has_encryption:
-        raise cv.Invalid(
-            "The 'password' and 'encryption' options are mutually exclusive. "
-            "The API client only supports one authentication method at a time. "
-            "Please remove one of them. "
-            "Note: 'password' authentication is deprecated and will be removed in version 2026.1.0. "
-            "We strongly recommend using 'encryption' instead for better security."
-        )
-
-    # Warn about password deprecation
-    if has_password:
-        _LOGGER.warning(
-            "API 'password' authentication has been deprecated since May 2022 and will be removed in version 2026.1.0. "
-            "Please migrate to the 'encryption' configuration. "
-            "See https://esphome.io/components/api/#configuration-variables"
-        )
-
-    return config
-
-
 def _consume_api_sockets(config: ConfigType) -> ConfigType:
     """Register socket needs for API component."""
     from esphome.components import socket
@@ -268,7 +242,17 @@ CONFIG_SCHEMA = cv.All(
         {
             cv.GenerateID(): cv.declare_id(APIServer),
             cv.Optional(CONF_PORT, default=6053): cv.port,
-            cv.Optional(CONF_PASSWORD, default=""): cv.string_strict,
+            # Removed in 2026.1.0 - kept to provide helpful error message
+            cv.Optional(CONF_PASSWORD): cv.invalid(
+                "The 'password' option has been removed in ESPHome 2026.1.0.\n"
+                "Password authentication was deprecated in May 2022.\n"
+                "Please migrate to encryption for secure API communication:\n\n"
+                "api:\n"
+                "  encryption:\n"
+                "    key: !secret api_encryption_key\n\n"
+                "Generate a key with: openssl rand -base64 32\n"
+                "Or visit https://esphome.io/components/api/#configuration-variables"
+            ),
             cv.Optional(
                 CONF_REBOOT_TIMEOUT, default="15min"
             ): cv.positive_time_period_milliseconds,
@@ -330,7 +314,6 @@ CONFIG_SCHEMA = cv.All(
         }
     ).extend(cv.COMPONENT_SCHEMA),
     cv.rename_key(CONF_SERVICES, CONF_ACTIONS),
-    _validate_api_config,
     _consume_api_sockets,
 )
 
@@ -344,9 +327,6 @@ async def to_code(config: ConfigType) -> None:
     CORE.register_controller()
 
     cg.add(var.set_port(config[CONF_PORT]))
-    if config[CONF_PASSWORD]:
-        cg.add_define("USE_API_PASSWORD")
-        cg.add(var.set_password(config[CONF_PASSWORD]))
     cg.add(var.set_reboot_timeout(config[CONF_REBOOT_TIMEOUT]))
     cg.add(var.set_batch_delay(config[CONF_BATCH_DELAY]))
     if CONF_LISTEN_BACKLOG in config:

esphome/components/api/api.proto

@@ -7,10 +7,7 @@ service APIConnection {
     option (needs_setup_connection) = false;
     option (needs_authentication) = false;
   }
-  rpc authenticate (AuthenticationRequest) returns (AuthenticationResponse) {
-    option (needs_setup_connection) = false;
-    option (needs_authentication) = false;
-  }
+  // REMOVED in ESPHome 2026.1.0: rpc authenticate (AuthenticationRequest) returns (AuthenticationResponse)
   rpc disconnect (DisconnectRequest) returns (DisconnectResponse) {
     option (needs_setup_connection) = false;
     option (needs_authentication) = false;
@@ -82,14 +79,13 @@ service APIConnection {
 //  * VarInt denoting the type of message.
 //  * The message object encoded as a ProtoBuf message
 
-// The connection is established in 4 steps:
+// The connection is established in 2 steps:
 //  * First, the client connects to the server and sends a "Hello Request" identifying itself
-//  * The server responds with a "Hello Response" and selects the protocol version
-//  * After receiving this message, the client attempts to authenticate itself using
-//    the password and a "Connect Request"
-//  * The server responds with a "Connect Response" and notifies of invalid password.
+//  * The server responds with a "Hello Response" and the connection is authenticated
 // If anything in this initial process fails, the connection must immediately closed
 // by both sides and _no_ disconnection message is to be sent.
+// Note: Password authentication via AuthenticationRequest/AuthenticationResponse (message IDs 3, 4)
+// was removed in ESPHome 2026.1.0. Those message IDs are reserved and should not be reused.
 
 // Message sent at the beginning of each connection
 // Can only be sent by the client and only at the beginning of the connection
@@ -102,7 +98,7 @@ message HelloRequest {
   // For example "Home Assistant"
   // Not strictly necessary to send but nice for debugging
   // purposes.
-  string client_info = 1 [(pointer_to_buffer) = true];
+  string client_info = 1;
   uint32 api_version_major = 2;
   uint32 api_version_minor = 3;
 }
@@ -130,25 +126,23 @@ message HelloResponse {
   string name = 4;
 }
 
-// Message sent at the beginning of each connection to authenticate the client
-// Can only be sent by the client and only at the beginning of the connection
+// DEPRECATED in ESPHome 2026.1.0 - Password authentication is no longer supported.
+// These messages are kept for protocol documentation but are not processed by the server.
+// Use noise encryption instead: https://esphome.io/components/api/#configuration-variables
 message AuthenticationRequest {
   option (id) = 3;
   option (source) = SOURCE_CLIENT;
   option (no_delay) = true;
-  option (ifdef) = "USE_API_PASSWORD";
+  option deprecated = true;
 
-  // The password to log in with
-  string password = 1 [(pointer_to_buffer) = true];
+  string password = 1;
 }
 
-// Confirmation of successful connection. After this the connection is available for all traffic.
-// Can only be sent by the server and only at the beginning of the connection
 message AuthenticationResponse {
   option (id) = 4;
   option (source) = SOURCE_SERVER;
   option (no_delay) = true;
-  option (ifdef) = "USE_API_PASSWORD";
+  option deprecated = true;
 
   bool invalid_password = 1;
 }
@@ -205,7 +199,9 @@ message DeviceInfoResponse {
   option (id) = 10;
   option (source) = SOURCE_SERVER;
 
-  bool uses_password = 1 [(field_ifdef) = "USE_API_PASSWORD"];
+  // Deprecated in ESPHome 2026.1.0, but kept for backward compatibility
+  // with older ESPHome versions that still send this field.
+  bool uses_password = 1 [deprecated = true];
 
   // The name of the node, given by "App.set_name()"
   string name = 2;
@@ -477,7 +473,7 @@ message FanCommandRequest {
   bool has_speed_level = 10;
   int32 speed_level = 11;
   bool has_preset_mode = 12;
-  string preset_mode = 13 [(pointer_to_buffer) = true];
+  string preset_mode = 13;
   uint32 device_id = 14 [(field_ifdef) = "USE_DEVICES"];
 }
 
@@ -579,7 +575,7 @@ message LightCommandRequest {
   bool has_flash_length = 16;
   uint32 flash_length = 17;
   bool has_effect = 18;
-  string effect = 19 [(pointer_to_buffer) = true];
+  string effect = 19;
   uint32 device_id = 28 [(field_ifdef) = "USE_DEVICES"];
 }
 
@@ -747,7 +743,7 @@ message NoiseEncryptionSetKeyRequest {
   option (source) = SOURCE_CLIENT;
   option (ifdef) = "USE_API_NOISE";
 
-  bytes key = 1 [(pointer_to_buffer) = true];
+  bytes key = 1;
 }
 
 message NoiseEncryptionSetKeyResponse {
@@ -796,7 +792,7 @@ message HomeassistantActionResponse {
   uint32 call_id = 1; // Matches the call_id from HomeassistantActionRequest
   bool success = 2; // Whether the service call succeeded
   string error_message = 3; // Error message if success = false
-  bytes response_data = 4 [(pointer_to_buffer) = true, (field_ifdef) = "USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON"];
+  bytes response_data = 4 [(field_ifdef) = "USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON"];
 }
 
 // ==================== IMPORT HOME ASSISTANT STATES ====================
@@ -824,9 +820,9 @@ message HomeAssistantStateResponse {
   option (no_delay) = true;
   option (ifdef) = "USE_API_HOMEASSISTANT_STATES";
 
-  string entity_id = 1 [(pointer_to_buffer) = true];
-  string state = 2 [(pointer_to_buffer) = true];
-  string attribute = 3 [(pointer_to_buffer) = true];
+  string entity_id = 1;
+  string state = 2;
+  string attribute = 3;
 }
 
 // ==================== IMPORT TIME ====================
@@ -841,7 +837,7 @@ message GetTimeResponse {
   option (no_delay) = true;
 
   fixed32 epoch_seconds = 1;
-  string timezone = 2 [(pointer_to_buffer) = true];
+  string timezone = 2;
 }
 
 // ==================== USER-DEFINES SERVICES ====================
@@ -1091,11 +1087,11 @@ message ClimateCommandRequest {
   bool has_swing_mode = 14;
   ClimateSwingMode swing_mode = 15;
   bool has_custom_fan_mode = 16;
-  string custom_fan_mode = 17 [(pointer_to_buffer) = true];
+  string custom_fan_mode = 17;
   bool has_preset = 18;
   ClimatePreset preset = 19;
   bool has_custom_preset = 20;
-  string custom_preset = 21 [(pointer_to_buffer) = true];
+  string custom_preset = 21;
   bool has_target_humidity = 22;
   float target_humidity = 23;
   uint32 device_id = 24 [(field_ifdef) = "USE_DEVICES"];
@@ -1274,7 +1270,7 @@ message SelectCommandRequest {
   option (base_class) = "CommandProtoMessage";
 
   fixed32 key = 1;
-  string state = 2 [(pointer_to_buffer) = true];
+  string state = 2;
   uint32 device_id = 3 [(field_ifdef) = "USE_DEVICES"];
 }
 
@@ -1292,7 +1288,7 @@ message ListEntitiesSirenResponse {
 
   string icon = 5 [(field_ifdef) = "USE_ENTITY_ICON"];
   bool disabled_by_default = 6;
-  repeated string tones = 7;
+  repeated string tones = 7 [(container_pointer_no_template) = "FixedVector<const char *>"];
   bool supports_duration = 8;
   bool supports_volume = 9;
   EntityCategory entity_category = 10;
@@ -1692,7 +1688,7 @@ message BluetoothGATTWriteRequest {
   uint32 handle = 2;
   bool response = 3;
 
-  bytes data = 4 [(pointer_to_buffer) = true];
+  bytes data = 4;
 }
 
 message BluetoothGATTReadDescriptorRequest {
@@ -1712,7 +1708,7 @@ message BluetoothGATTWriteDescriptorRequest {
   uint64 address = 1;
   uint32 handle = 2;
 
-  bytes data = 3 [(pointer_to_buffer) = true];
+  bytes data = 3;
 }
 
 message BluetoothGATTNotifyRequest {
@@ -1937,7 +1933,7 @@ message VoiceAssistantAudio {
   option (source) = SOURCE_BOTH;
   option (ifdef) = "USE_VOICE_ASSISTANT";
 
-  bytes data = 1;
+  bytes data = 1 [(pointer_to_buffer) = true];
   bool end = 2;
 }
 
@@ -2425,7 +2421,7 @@ message ZWaveProxyFrame {
   option (ifdef) = "USE_ZWAVE_PROXY";
   option (no_delay) = true;
 
-  bytes data = 1 [(pointer_to_buffer) = true];
+  bytes data = 1;
 }
 
 enum ZWaveProxyRequestType {
@@ -2439,5 +2435,5 @@ message ZWaveProxyRequest {
   option (ifdef) = "USE_ZWAVE_PROXY";
 
   ZWaveProxyRequestType type = 1;
-  bytes data = 2 [(pointer_to_buffer) = true];
+  bytes data = 2;
 }

esphome/components/api/api_connection.cpp

@@ -101,16 +101,14 @@ APIConnection::APIConnection(std::unique_ptr<socket::Socket> sock, APIServer *pa
 #if defined(USE_API_PLAINTEXT) && defined(USE_API_NOISE)
   auto &noise_ctx = parent->get_noise_ctx();
   if (noise_ctx.has_psk()) {
-    this->helper_ =
-        std::unique_ptr<APIFrameHelper>{new APINoiseFrameHelper(std::move(sock), noise_ctx, &this->client_info_)};
+    this->helper_ = std::unique_ptr<APIFrameHelper>{new APINoiseFrameHelper(std::move(sock), noise_ctx)};
   } else {
-    this->helper_ = std::unique_ptr<APIFrameHelper>{new APIPlaintextFrameHelper(std::move(sock), &this->client_info_)};
+    this->helper_ = std::unique_ptr<APIFrameHelper>{new APIPlaintextFrameHelper(std::move(sock))};
   }
 #elif defined(USE_API_PLAINTEXT)
-  this->helper_ = std::unique_ptr<APIFrameHelper>{new APIPlaintextFrameHelper(std::move(sock), &this->client_info_)};
+  this->helper_ = std::unique_ptr<APIFrameHelper>{new APIPlaintextFrameHelper(std::move(sock))};
 #elif defined(USE_API_NOISE)
-  this->helper_ = std::unique_ptr<APIFrameHelper>{
-      new APINoiseFrameHelper(std::move(sock), parent->get_noise_ctx(), &this->client_info_)};
+  this->helper_ = std::unique_ptr<APIFrameHelper>{new APINoiseFrameHelper(std::move(sock), parent->get_noise_ctx())};
 #else
 #error "No frame helper defined"
 #endif
@@ -131,8 +129,9 @@ void APIConnection::start() {
     this->fatal_error_with_log_(LOG_STR("Helper init failed"), err);
     return;
   }
-  this->client_info_.peername = helper_->getpeername();
-  this->client_info_.name = this->client_info_.peername;
+  // Initialize client name with peername (IP address) until Hello message provides actual name
+  const char *peername = this->helper_->get_client_peername();
+  this->helper_->set_client_name(peername, strlen(peername));
 }
 
 APIConnection::~APIConnection() {
@@ -252,8 +251,7 @@ void APIConnection::loop() {
     // Disconnect if not responded within 2.5*keepalive
     if (now - this->last_traffic_ > KEEPALIVE_DISCONNECT_TIMEOUT) {
       on_fatal_error();
-      ESP_LOGW(TAG, "%s (%s) is unresponsive; disconnecting", this->client_info_.name.c_str(),
-               this->client_info_.peername.c_str());
+      this->log_client_(ESPHOME_LOG_LEVEL_WARN, LOG_STR("is unresponsive; disconnecting"));
     }
   } else if (now - this->last_traffic_ > KEEPALIVE_TIMEOUT_MS && !this->flags_.remove) {
     // Only send ping if we're not disconnecting
@@ -287,7 +285,7 @@ bool APIConnection::send_disconnect_response(const DisconnectRequest &msg) {
   // remote initiated disconnect_client
   // don't close yet, we still need to send the disconnect response
   // close will happen on next loop
-  ESP_LOGD(TAG, "%s (%s) disconnected", this->client_info_.name.c_str(), this->client_info_.peername.c_str());
+  this->log_client_(ESPHOME_LOG_LEVEL_DEBUG, LOG_STR("disconnected"));
   this->flags_.next_close = true;
   DisconnectResponse resp;
   return this->send_message(resp, DisconnectResponse::MESSAGE_TYPE);
@@ -378,7 +376,7 @@ uint16_t APIConnection::try_send_binary_sensor_info(EntityBase *entity, APIConne
                                                     bool is_single) {
   auto *binary_sensor = static_cast<binary_sensor::BinarySensor *>(entity);
   ListEntitiesBinarySensorResponse msg;
-  msg.set_device_class(binary_sensor->get_device_class_ref());
+  msg.device_class = binary_sensor->get_device_class_ref();
   msg.is_status_binary_sensor = binary_sensor->is_status_binary_sensor();
   return fill_and_encode_entity_info(binary_sensor, msg, ListEntitiesBinarySensorResponse::MESSAGE_TYPE, conn,
                                      remaining_size, is_single);
@@ -410,7 +408,7 @@ uint16_t APIConnection::try_send_cover_info(EntityBase *entity, APIConnection *c
   msg.supports_position = traits.get_supports_position();
   msg.supports_tilt = traits.get_supports_tilt();
   msg.supports_stop = traits.get_supports_stop();
-  msg.set_device_class(cover->get_device_class_ref());
+  msg.device_class = cover->get_device_class_ref();
   return fill_and_encode_entity_info(cover, msg, ListEntitiesCoverResponse::MESSAGE_TYPE, conn, remaining_size,
                                      is_single);
 }
@@ -445,7 +443,7 @@ uint16_t APIConnection::try_send_fan_state(EntityBase *entity, APIConnection *co
   if (traits.supports_direction())
     msg.direction = static_cast<enums::FanDirection>(fan->direction);
   if (traits.supports_preset_modes() && fan->has_preset_mode())
-    msg.set_preset_mode(StringRef(fan->get_preset_mode()));
+    msg.preset_mode = StringRef(fan->get_preset_mode());
   return fill_and_encode_entity_state(fan, msg, FanStateResponse::MESSAGE_TYPE, conn, remaining_size, is_single);
 }
 uint16_t APIConnection::try_send_fan_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
@@ -473,7 +471,7 @@ void APIConnection::fan_command(const FanCommandRequest &msg) {
   if (msg.has_direction)
     call.set_direction(static_cast<fan::FanDirection>(msg.direction));
   if (msg.has_preset_mode)
-    call.set_preset_mode(reinterpret_cast<const char *>(msg.preset_mode), msg.preset_mode_len);
+    call.set_preset_mode(msg.preset_mode.c_str(), msg.preset_mode.size());
   call.perform();
 }
 #endif
@@ -501,7 +499,7 @@ uint16_t APIConnection::try_send_light_state(EntityBase *entity, APIConnection *
   resp.cold_white = values.get_cold_white();
   resp.warm_white = values.get_warm_white();
   if (light->supports_effects()) {
-    resp.set_effect(light->get_effect_name_ref());
+    resp.effect = light->get_effect_name_ref();
   }
   return fill_and_encode_entity_state(light, resp, LightStateResponse::MESSAGE_TYPE, conn, remaining_size, is_single);
 }
@@ -559,7 +557,7 @@ void APIConnection::light_command(const LightCommandRequest &msg) {
   if (msg.has_flash_length)
     call.set_flash_length(msg.flash_length);
   if (msg.has_effect)
-    call.set_effect(reinterpret_cast<const char *>(msg.effect), msg.effect_len);
+    call.set_effect(msg.effect.c_str(), msg.effect.size());
   call.perform();
 }
 #endif
@@ -583,10 +581,10 @@ uint16_t APIConnection::try_send_sensor_info(EntityBase *entity, APIConnection *
                                              bool is_single) {
   auto *sensor = static_cast<sensor::Sensor *>(entity);
   ListEntitiesSensorResponse msg;
-  msg.set_unit_of_measurement(sensor->get_unit_of_measurement_ref());
+  msg.unit_of_measurement = sensor->get_unit_of_measurement_ref();
   msg.accuracy_decimals = sensor->get_accuracy_decimals();
   msg.force_update = sensor->get_force_update();
-  msg.set_device_class(sensor->get_device_class_ref());
+  msg.device_class = sensor->get_device_class_ref();
   msg.state_class = static_cast<enums::SensorStateClass>(sensor->get_state_class());
   return fill_and_encode_entity_info(sensor, msg, ListEntitiesSensorResponse::MESSAGE_TYPE, conn, remaining_size,
                                      is_single);
@@ -613,7 +611,7 @@ uint16_t APIConnection::try_send_switch_info(EntityBase *entity, APIConnection *
   auto *a_switch = static_cast<switch_::Switch *>(entity);
   ListEntitiesSwitchResponse msg;
   msg.assumed_state = a_switch->assumed_state();
-  msg.set_device_class(a_switch->get_device_class_ref());
+  msg.device_class = a_switch->get_device_class_ref();
   return fill_and_encode_entity_info(a_switch, msg, ListEntitiesSwitchResponse::MESSAGE_TYPE, conn, remaining_size,
                                      is_single);
 }
@@ -638,7 +636,7 @@ uint16_t APIConnection::try_send_text_sensor_state(EntityBase *entity, APIConnec
                                                    bool is_single) {
   auto *text_sensor = static_cast<text_sensor::TextSensor *>(entity);
   TextSensorStateResponse resp;
-  resp.set_state(StringRef(text_sensor->state));
+  resp.state = StringRef(text_sensor->state);
   resp.missing_state = !text_sensor->has_state();
   return fill_and_encode_entity_state(text_sensor, resp, TextSensorStateResponse::MESSAGE_TYPE, conn, remaining_size,
                                       is_single);
@@ -647,7 +645,7 @@ uint16_t APIConnection::try_send_text_sensor_info(EntityBase *entity, APIConnect
                                                   bool is_single) {
   auto *text_sensor = static_cast<text_sensor::TextSensor *>(entity);
   ListEntitiesTextSensorResponse msg;
-  msg.set_device_class(text_sensor->get_device_class_ref());
+  msg.device_class = text_sensor->get_device_class_ref();
   return fill_and_encode_entity_info(text_sensor, msg, ListEntitiesTextSensorResponse::MESSAGE_TYPE, conn,
                                      remaining_size, is_single);
 }
@@ -677,13 +675,13 @@ uint16_t APIConnection::try_send_climate_state(EntityBase *entity, APIConnection
   if (traits.get_supports_fan_modes() && climate->fan_mode.has_value())
     resp.fan_mode = static_cast<enums::ClimateFanMode>(climate->fan_mode.value());
   if (!traits.get_supported_custom_fan_modes().empty() && climate->has_custom_fan_mode()) {
-    resp.set_custom_fan_mode(StringRef(climate->get_custom_fan_mode()));
+    resp.custom_fan_mode = StringRef(climate->get_custom_fan_mode());
   }
   if (traits.get_supports_presets() && climate->preset.has_value()) {
     resp.preset = static_cast<enums::ClimatePreset>(climate->preset.value());
   }
   if (!traits.get_supported_custom_presets().empty() && climate->has_custom_preset()) {
-    resp.set_custom_preset(StringRef(climate->get_custom_preset()));
+    resp.custom_preset = StringRef(climate->get_custom_preset());
   }
   if (traits.get_supports_swing_modes())
     resp.swing_mode = static_cast<enums::ClimateSwingMode>(climate->swing_mode);
@@ -738,11 +736,11 @@ void APIConnection::climate_command(const ClimateCommandRequest &msg) {
   if (msg.has_fan_mode)
     call.set_fan_mode(static_cast<climate::ClimateFanMode>(msg.fan_mode));
   if (msg.has_custom_fan_mode)
-    call.set_fan_mode(reinterpret_cast<const char *>(msg.custom_fan_mode), msg.custom_fan_mode_len);
+    call.set_fan_mode(msg.custom_fan_mode.c_str(), msg.custom_fan_mode.size());
   if (msg.has_preset)
     call.set_preset(static_cast<climate::ClimatePreset>(msg.preset));
   if (msg.has_custom_preset)
-    call.set_preset(reinterpret_cast<const char *>(msg.custom_preset), msg.custom_preset_len);
+    call.set_preset(msg.custom_preset.c_str(), msg.custom_preset.size());
   if (msg.has_swing_mode)
     call.set_swing_mode(static_cast<climate::ClimateSwingMode>(msg.swing_mode));
   call.perform();
@@ -768,9 +766,9 @@ uint16_t APIConnection::try_send_number_info(EntityBase *entity, APIConnection *
                                              bool is_single) {
   auto *number = static_cast<number::Number *>(entity);
   ListEntitiesNumberResponse msg;
-  msg.set_unit_of_measurement(number->traits.get_unit_of_measurement_ref());
+  msg.unit_of_measurement = number->traits.get_unit_of_measurement_ref();
   msg.mode = static_cast<enums::NumberMode>(number->traits.get_mode());
-  msg.set_device_class(number->traits.get_device_class_ref());
+  msg.device_class = number->traits.get_device_class_ref();
   msg.min_value = number->traits.get_min_value();
   msg.max_value = number->traits.get_max_value();
   msg.step = number->traits.get_step();
@@ -883,7 +881,7 @@ uint16_t APIConnection::try_send_text_state(EntityBase *entity, APIConnection *c
                                             bool is_single) {
   auto *text = static_cast<text::Text *>(entity);
   TextStateResponse resp;
-  resp.set_state(StringRef(text->state));
+  resp.state = StringRef(text->state);
   resp.missing_state = !text->has_state();
   return fill_and_encode_entity_state(text, resp, TextStateResponse::MESSAGE_TYPE, conn, remaining_size, is_single);
 }
@@ -895,7 +893,7 @@ uint16_t APIConnection::try_send_text_info(EntityBase *entity, APIConnection *co
   msg.mode = static_cast<enums::TextMode>(text->traits.get_mode());
   msg.min_length = text->traits.get_min_length();
   msg.max_length = text->traits.get_max_length();
-  msg.set_pattern(text->traits.get_pattern_ref());
+  msg.pattern = text->traits.get_pattern_ref();
   return fill_and_encode_entity_info(text, msg, ListEntitiesTextResponse::MESSAGE_TYPE, conn, remaining_size,
                                      is_single);
 }
@@ -916,7 +914,7 @@ uint16_t APIConnection::try_send_select_state(EntityBase *entity, APIConnection
                                               bool is_single) {
   auto *select = static_cast<select::Select *>(entity);
   SelectStateResponse resp;
-  resp.set_state(StringRef(select->current_option()));
+  resp.state = StringRef(select->current_option());
   resp.missing_state = !select->has_state();
   return fill_and_encode_entity_state(select, resp, SelectStateResponse::MESSAGE_TYPE, conn, remaining_size, is_single);
 }
@@ -931,7 +929,7 @@ uint16_t APIConnection::try_send_select_info(EntityBase *entity, APIConnection *
 }
 void APIConnection::select_command(const SelectCommandRequest &msg) {
   ENTITY_COMMAND_MAKE_CALL(select::Select, select, select)
-  call.set_option(reinterpret_cast<const char *>(msg.state), msg.state_len);
+  call.set_option(msg.state.c_str(), msg.state.size());
   call.perform();
 }
 #endif
@@ -941,7 +939,7 @@ uint16_t APIConnection::try_send_button_info(EntityBase *entity, APIConnection *
                                              bool is_single) {
   auto *button = static_cast<button::Button *>(entity);
   ListEntitiesButtonResponse msg;
-  msg.set_device_class(button->get_device_class_ref());
+  msg.device_class = button->get_device_class_ref();
   return fill_and_encode_entity_info(button, msg, ListEntitiesButtonResponse::MESSAGE_TYPE, conn, remaining_size,
                                      is_single);
 }
@@ -1010,7 +1008,7 @@ uint16_t APIConnection::try_send_valve_info(EntityBase *entity, APIConnection *c
   auto *valve = static_cast<valve::Valve *>(entity);
   ListEntitiesValveResponse msg;
   auto traits = valve->get_traits();
-  msg.set_device_class(valve->get_device_class_ref());
+  msg.device_class = valve->get_device_class_ref();
   msg.assumed_state = traits.get_is_assumed_state();
   msg.supports_position = traits.get_supports_position();
   msg.supports_stop = traits.get_supports_stop();
@@ -1055,7 +1053,7 @@ uint16_t APIConnection::try_send_media_player_info(EntityBase *entity, APIConnec
   for (auto &supported_format : traits.get_supported_formats()) {
     msg.supported_formats.emplace_back();
     auto &media_format = msg.supported_formats.back();
-    media_format.set_format(StringRef(supported_format.format));
+    media_format.format = StringRef(supported_format.format);
     media_format.sample_rate = supported_format.sample_rate;
     media_format.num_channels = supported_format.num_channels;
     media_format.purpose = static_cast<enums::MediaPlayerFormatPurpose>(supported_format.purpose);
@@ -1153,9 +1151,8 @@ void APIConnection::on_get_time_response(const GetTimeResponse &value) {
   if (homeassistant::global_homeassistant_time != nullptr) {
     homeassistant::global_homeassistant_time->set_epoch_time(value.epoch_seconds);
 #ifdef USE_TIME_TIMEZONE
-    if (value.timezone_len > 0) {
-      homeassistant::global_homeassistant_time->set_timezone(reinterpret_cast<const char *>(value.timezone),
-                                                             value.timezone_len);
+    if (!value.timezone.empty()) {
+      homeassistant::global_homeassistant_time->set_timezone(value.timezone.c_str(), value.timezone.size());
     }
 #endif
   }
@@ -1266,8 +1263,8 @@ bool APIConnection::send_voice_assistant_get_configuration_response(const VoiceA
   for (auto &wake_word : config.available_wake_words) {
     resp.available_wake_words.emplace_back();
     auto &resp_wake_word = resp.available_wake_words.back();
-    resp_wake_word.set_id(StringRef(wake_word.id));
-    resp_wake_word.set_wake_word(StringRef(wake_word.wake_word));
+    resp_wake_word.id = StringRef(wake_word.id);
+    resp_wake_word.wake_word = StringRef(wake_word.wake_word);
     for (const auto &lang : wake_word.trained_languages) {
       resp_wake_word.trained_languages.push_back(lang);
     }
@@ -1282,8 +1279,8 @@ bool APIConnection::send_voice_assistant_get_configuration_response(const VoiceA
 
     resp.available_wake_words.emplace_back();
     auto &resp_wake_word = resp.available_wake_words.back();
-    resp_wake_word.set_id(StringRef(wake_word.id));
-    resp_wake_word.set_wake_word(StringRef(wake_word.wake_word));
+    resp_wake_word.id = StringRef(wake_word.id);
+    resp_wake_word.wake_word = StringRef(wake_word.wake_word);
     for (const auto &lang : wake_word.trained_languages) {
       resp_wake_word.trained_languages.push_back(lang);
     }
@@ -1424,7 +1421,7 @@ void APIConnection::send_event(event::Event *event, const char *event_type) {
 uint16_t APIConnection::try_send_event_response(event::Event *event, const char *event_type, APIConnection *conn,
                                                 uint32_t remaining_size, bool is_single) {
   EventResponse resp;
-  resp.set_event_type(StringRef(event_type));
+  resp.event_type = StringRef(event_type);
   return fill_and_encode_entity_state(event, resp, EventResponse::MESSAGE_TYPE, conn, remaining_size, is_single);
 }
 
@@ -1432,7 +1429,7 @@ uint16_t APIConnection::try_send_event_info(EntityBase *entity, APIConnection *c
                                             bool is_single) {
   auto *event = static_cast<event::Event *>(entity);
   ListEntitiesEventResponse msg;
-  msg.set_device_class(event->get_device_class_ref());
+  msg.device_class = event->get_device_class_ref();
   msg.event_types = &event->get_event_types();
   return fill_and_encode_entity_info(event, msg, ListEntitiesEventResponse::MESSAGE_TYPE, conn, remaining_size,
                                      is_single);
@@ -1455,11 +1452,11 @@ uint16_t APIConnection::try_send_update_state(EntityBase *entity, APIConnection
       resp.has_progress = true;
       resp.progress = update->update_info.progress;
     }
-    resp.set_current_version(StringRef(update->update_info.current_version));
-    resp.set_latest_version(StringRef(update->update_info.latest_version));
-    resp.set_title(StringRef(update->update_info.title));
-    resp.set_release_summary(StringRef(update->update_info.summary));
-    resp.set_release_url(StringRef(update->update_info.release_url));
+    resp.current_version = StringRef(update->update_info.current_version);
+    resp.latest_version = StringRef(update->update_info.latest_version);
+    resp.title = StringRef(update->update_info.title);
+    resp.release_summary = StringRef(update->update_info.summary);
+    resp.release_url = StringRef(update->update_info.release_url);
   }
   return fill_and_encode_entity_state(update, resp, UpdateStateResponse::MESSAGE_TYPE, conn, remaining_size, is_single);
 }
@@ -1467,7 +1464,7 @@ uint16_t APIConnection::try_send_update_info(EntityBase *entity, APIConnection *
                                              bool is_single) {
   auto *update = static_cast<update::UpdateEntity *>(entity);
   ListEntitiesUpdateResponse msg;
-  msg.set_device_class(update->get_device_class_ref());
+  msg.device_class = update->get_device_class_ref();
   return fill_and_encode_entity_info(update, msg, ListEntitiesUpdateResponse::MESSAGE_TYPE, conn, remaining_size,
                                      is_single);
 }
@@ -1505,9 +1502,10 @@ void APIConnection::complete_authentication_() {
   }
 
   this->flags_.connection_state = static_cast<uint8_t>(ConnectionState::AUTHENTICATED);
-  ESP_LOGD(TAG, "%s (%s) connected", this->client_info_.name.c_str(), this->client_info_.peername.c_str());
+  this->log_client_(ESPHOME_LOG_LEVEL_DEBUG, LOG_STR("connected"));
 #ifdef USE_API_CLIENT_CONNECTED_TRIGGER
-  this->parent_->get_client_connected_trigger()->trigger(this->client_info_.name, this->client_info_.peername);
+  this->parent_->get_client_connected_trigger()->trigger(std::string(this->helper_->get_client_name()),
+                                                         std::string(this->helper_->get_client_peername()));
 #endif
 #ifdef USE_HOMEASSISTANT_TIME
   if (homeassistant::global_homeassistant_time != nullptr) {
@@ -1522,41 +1520,25 @@ void APIConnection::complete_authentication_() {
 }
 
 bool APIConnection::send_hello_response(const HelloRequest &msg) {
-  this->client_info_.name.assign(reinterpret_cast<const char *>(msg.client_info), msg.client_info_len);
-  this->client_info_.peername = this->helper_->getpeername();
+  // Copy client name with truncation if needed (set_client_name handles truncation)
+  this->helper_->set_client_name(msg.client_info.c_str(), msg.client_info.size());
   this->client_api_version_major_ = msg.api_version_major;
   this->client_api_version_minor_ = msg.api_version_minor;
-  ESP_LOGV(TAG, "Hello from client: '%s' | %s | API Version %" PRIu32 ".%" PRIu32, this->client_info_.name.c_str(),
-           this->client_info_.peername.c_str(), this->client_api_version_major_, this->client_api_version_minor_);
+  ESP_LOGV(TAG, "Hello from client: '%s' | %s | API Version %" PRIu32 ".%" PRIu32, this->helper_->get_client_name(),
+           this->helper_->get_client_peername(), this->client_api_version_major_, this->client_api_version_minor_);
 
   HelloResponse resp;
   resp.api_version_major = 1;
-  resp.api_version_minor = 13;
+  resp.api_version_minor = 14;
   // Send only the version string - the client only logs this for debugging and doesn't use it otherwise
-  resp.set_server_info(ESPHOME_VERSION_REF);
-  resp.set_name(StringRef(App.get_name()));
+  resp.server_info = ESPHOME_VERSION_REF;
+  resp.name = StringRef(App.get_name());
 
-#ifdef USE_API_PASSWORD
-  // Password required - wait for authentication
-  this->flags_.connection_state = static_cast<uint8_t>(ConnectionState::CONNECTED);
-#else
-  // No password configured - auto-authenticate
+  // Auto-authenticate - password auth was removed in ESPHome 2026.1.0
   this->complete_authentication_();
-#endif
 
   return this->send_message(resp, HelloResponse::MESSAGE_TYPE);
 }
-#ifdef USE_API_PASSWORD
-bool APIConnection::send_authenticate_response(const AuthenticationRequest &msg) {
-  AuthenticationResponse resp;
-  // bool invalid_password = 1;
-  resp.invalid_password = !this->parent_->check_password(msg.password, msg.password_len);
-  if (!resp.invalid_password) {
-    this->complete_authentication_();
-  }
-  return this->send_message(resp, AuthenticationResponse::MESSAGE_TYPE);
-}
-#endif  // USE_API_PASSWORD
 
 bool APIConnection::send_ping_response(const PingRequest &msg) {
   PingResponse resp;
@@ -1565,27 +1547,24 @@ bool APIConnection::send_ping_response(const PingRequest &msg) {
 
 bool APIConnection::send_device_info_response(const DeviceInfoRequest &msg) {
   DeviceInfoResponse resp{};
-#ifdef USE_API_PASSWORD
-  resp.uses_password = true;
-#endif
-  resp.set_name(StringRef(App.get_name()));
-  resp.set_friendly_name(StringRef(App.get_friendly_name()));
+  resp.name = StringRef(App.get_name());
+  resp.friendly_name = StringRef(App.get_friendly_name());
 #ifdef USE_AREAS
-  resp.set_suggested_area(StringRef(App.get_area()));
+  resp.suggested_area = StringRef(App.get_area());
 #endif
   // Stack buffer for MAC address (XX:XX:XX:XX:XX:XX\0 = 18 bytes)
   char mac_address[18];
   uint8_t mac[6];
   get_mac_address_raw(mac);
   format_mac_addr_upper(mac, mac_address);
-  resp.set_mac_address(StringRef(mac_address));
+  resp.mac_address = StringRef(mac_address);
 
-  resp.set_esphome_version(ESPHOME_VERSION_REF);
+  resp.esphome_version = ESPHOME_VERSION_REF;
 
   // Stack buffer for build time string
   char build_time_str[Application::BUILD_TIME_STR_SIZE];
   App.get_build_time_string(build_time_str);
-  resp.set_compilation_time(StringRef(build_time_str));
+  resp.compilation_time = StringRef(build_time_str);
 
   // Manufacturer string - define once, handle ESP8266 PROGMEM separately
 #if defined(USE_ESP8266) || defined(USE_ESP32)
@@ -1609,10 +1588,10 @@ bool APIConnection::send_device_info_response(const DeviceInfoRequest &msg) {
   static const char MANUFACTURER_PROGMEM[] PROGMEM = ESPHOME_MANUFACTURER;
   char manufacturer_buf[sizeof(MANUFACTURER_PROGMEM)];
   memcpy_P(manufacturer_buf, MANUFACTURER_PROGMEM, sizeof(MANUFACTURER_PROGMEM));
-  resp.set_manufacturer(StringRef(manufacturer_buf, sizeof(MANUFACTURER_PROGMEM) - 1));
+  resp.manufacturer = StringRef(manufacturer_buf, sizeof(MANUFACTURER_PROGMEM) - 1);
 #else
   static constexpr auto MANUFACTURER = StringRef::from_lit(ESPHOME_MANUFACTURER);
-  resp.set_manufacturer(MANUFACTURER);
+  resp.manufacturer = MANUFACTURER;
 #endif
 #undef ESPHOME_MANUFACTURER
 
@@ -1620,10 +1599,10 @@ bool APIConnection::send_device_info_response(const DeviceInfoRequest &msg) {
   static const char MODEL_PROGMEM[] PROGMEM = ESPHOME_BOARD;
   char model_buf[sizeof(MODEL_PROGMEM)];
   memcpy_P(model_buf, MODEL_PROGMEM, sizeof(MODEL_PROGMEM));
-  resp.set_model(StringRef(model_buf, sizeof(MODEL_PROGMEM) - 1));
+  resp.model = StringRef(model_buf, sizeof(MODEL_PROGMEM) - 1);
 #else
   static constexpr auto MODEL = StringRef::from_lit(ESPHOME_BOARD);
-  resp.set_model(MODEL);
+  resp.model = MODEL;
 #endif
 #ifdef USE_DEEP_SLEEP
   resp.has_deep_sleep = deep_sleep::global_has_deep_sleep;
@@ -1636,13 +1615,13 @@ bool APIConnection::send_device_info_response(const DeviceInfoRequest &msg) {
   char project_version_buf[sizeof(PROJECT_VERSION_PROGMEM)];
   memcpy_P(project_name_buf, PROJECT_NAME_PROGMEM, sizeof(PROJECT_NAME_PROGMEM));
   memcpy_P(project_version_buf, PROJECT_VERSION_PROGMEM, sizeof(PROJECT_VERSION_PROGMEM));
-  resp.set_project_name(StringRef(project_name_buf, sizeof(PROJECT_NAME_PROGMEM) - 1));
-  resp.set_project_version(StringRef(project_version_buf, sizeof(PROJECT_VERSION_PROGMEM) - 1));
+  resp.project_name = StringRef(project_name_buf, sizeof(PROJECT_NAME_PROGMEM) - 1);
+  resp.project_version = StringRef(project_version_buf, sizeof(PROJECT_VERSION_PROGMEM) - 1);
 #else
   static constexpr auto PROJECT_NAME = StringRef::from_lit(ESPHOME_PROJECT_NAME);
   static constexpr auto PROJECT_VERSION = StringRef::from_lit(ESPHOME_PROJECT_VERSION);
-  resp.set_project_name(PROJECT_NAME);
-  resp.set_project_version(PROJECT_VERSION);
+  resp.project_name = PROJECT_NAME;
+  resp.project_version = PROJECT_VERSION;
 #endif
 #endif
 #ifdef USE_WEBSERVER
@@ -1653,7 +1632,7 @@ bool APIConnection::send_device_info_response(const DeviceInfoRequest &msg) {
   // Stack buffer for Bluetooth MAC address (XX:XX:XX:XX:XX:XX\0 = 18 bytes)
   char bluetooth_mac[18];
   bluetooth_proxy::global_bluetooth_proxy->get_bluetooth_mac_address_pretty(bluetooth_mac);
-  resp.set_bluetooth_mac_address(StringRef(bluetooth_mac));
+  resp.bluetooth_mac_address = StringRef(bluetooth_mac);
 #endif
 #ifdef USE_VOICE_ASSISTANT
   resp.voice_assistant_feature_flags = voice_assistant::global_voice_assistant->get_feature_flags();
@@ -1672,7 +1651,7 @@ bool APIConnection::send_device_info_response(const DeviceInfoRequest &msg) {
       break;
     auto &device_info = resp.devices[device_index++];
     device_info.device_id = device->get_device_id();
-    device_info.set_name(StringRef(device->get_name()));
+    device_info.name = StringRef(device->get_name());
     device_info.area_id = device->get_area_id();
   }
 #endif
@@ -1683,7 +1662,7 @@ bool APIConnection::send_device_info_response(const DeviceInfoRequest &msg) {
       break;
     auto &area_info = resp.areas[area_index++];
     area_info.area_id = area->get_area_id();
-    area_info.set_name(StringRef(area->get_name()));
+    area_info.name = StringRef(area->get_name());
   }
 #endif
 
@@ -1693,28 +1672,37 @@ bool APIConnection::send_device_info_response(const DeviceInfoRequest &msg) {
 #ifdef USE_API_HOMEASSISTANT_STATES
 void APIConnection::on_home_assistant_state_response(const HomeAssistantStateResponse &msg) {
   // Skip if entity_id is empty (invalid message)
-  if (msg.entity_id_len == 0) {
+  if (msg.entity_id.empty()) {
     return;
   }
 
   for (auto &it : this->parent_->get_state_subs()) {
     // Compare entity_id: check length matches and content matches
     size_t entity_id_len = strlen(it.entity_id);
-    if (entity_id_len != msg.entity_id_len || memcmp(it.entity_id, msg.entity_id, msg.entity_id_len) != 0) {
+    if (entity_id_len != msg.entity_id.size() ||
+        memcmp(it.entity_id, msg.entity_id.c_str(), msg.entity_id.size()) != 0) {
       continue;
     }
 
     // Compare attribute: either both have matching attribute, or both have none
     size_t sub_attr_len = it.attribute != nullptr ? strlen(it.attribute) : 0;
-    if (sub_attr_len != msg.attribute_len ||
-        (sub_attr_len > 0 && memcmp(it.attribute, msg.attribute, sub_attr_len) != 0)) {
+    if (sub_attr_len != msg.attribute.size() ||
+        (sub_attr_len > 0 && memcmp(it.attribute, msg.attribute.c_str(), sub_attr_len) != 0)) {
       continue;
     }
 
-    // Create temporary string for callback (callback takes const std::string &)
-    // Handle empty state (nullptr with len=0)
-    std::string state(msg.state_len > 0 ? reinterpret_cast<const char *>(msg.state) : "", msg.state_len);
-    it.callback(state);
+    // Create null-terminated state for callback (parse_number needs null-termination)
+    // HA state max length is 255, so 256 byte buffer covers all cases
+    char state_buf[256];
+    size_t copy_len = msg.state.size();
+    if (copy_len >= sizeof(state_buf)) {
+      copy_len = sizeof(state_buf) - 1;  // Truncate to leave space for null terminator
+    }
+    if (copy_len > 0) {
+      memcpy(state_buf, msg.state.c_str(), copy_len);
+    }
+    state_buf[copy_len] = '\0';
+    it.callback(StringRef(state_buf, copy_len));
   }
 }
 #endif
@@ -1749,20 +1737,20 @@ void APIConnection::execute_service(const ExecuteServiceRequest &msg) {
   // the action list. This ensures async actions (delays, waits) complete first.
 }
 #ifdef USE_API_USER_DEFINED_ACTION_RESPONSES
-void APIConnection::send_execute_service_response(uint32_t call_id, bool success, const std::string &error_message) {
+void APIConnection::send_execute_service_response(uint32_t call_id, bool success, StringRef error_message) {
   ExecuteServiceResponse resp;
   resp.call_id = call_id;
   resp.success = success;
-  resp.set_error_message(StringRef(error_message));
+  resp.error_message = error_message;
   this->send_message(resp, ExecuteServiceResponse::MESSAGE_TYPE);
 }
 #ifdef USE_API_USER_DEFINED_ACTION_RESPONSES_JSON
-void APIConnection::send_execute_service_response(uint32_t call_id, bool success, const std::string &error_message,
+void APIConnection::send_execute_service_response(uint32_t call_id, bool success, StringRef error_message,
                                                   const uint8_t *response_data, size_t response_data_len) {
   ExecuteServiceResponse resp;
   resp.call_id = call_id;
   resp.success = success;
-  resp.set_error_message(StringRef(error_message));
+  resp.error_message = error_message;
   resp.response_data = response_data;
   resp.response_data_len = response_data_len;
   this->send_message(resp, ExecuteServiceResponse::MESSAGE_TYPE);
@@ -1831,10 +1819,30 @@ bool APIConnection::try_to_clear_buffer(bool log_out_of_space) {
   return false;
 }
 bool APIConnection::send_buffer(ProtoWriteBuffer buffer, uint8_t message_type) {
-  if (!this->try_to_clear_buffer(message_type != SubscribeLogsResponse::MESSAGE_TYPE)) {  // SubscribeLogsResponse
+  const bool is_log_message = (message_type == SubscribeLogsResponse::MESSAGE_TYPE);
+
+  if (!this->try_to_clear_buffer(!is_log_message)) {
     return false;
   }
 
+  // Toggle Nagle's algorithm based on message type to prevent log messages from
+  // filling the TCP send buffer and crowding out important state updates.
+  //
+  // This honors the `no_delay` proto option - SubscribeLogsResponse is the only
+  // message with `option (no_delay) = false;` in api.proto, indicating it should
+  // allow Nagle coalescing. This option existed since 2019 but was never implemented.
+  //
+  // - Log messages: Enable Nagle (NODELAY=false) so small log packets coalesce
+  //   into fewer, larger packets. They flush naturally via TCP delayed ACK timer
+  //   (~200ms), buffer filling, or when a state update triggers a flush.
+  //
+  // - All other messages (state updates, responses): Disable Nagle (NODELAY=true)
+  //   for immediate delivery. These are time-sensitive and should not be delayed.
+  //
+  // This must be done proactively BEFORE the buffer fills up - checking buffer
+  // state here would be too late since we'd already be in a degraded state.
+  this->helper_->set_nodelay(!is_log_message);
+
   APIError err = this->helper_->write_protobuf_packet(message_type, buffer);
   if (err == APIError::WOULD_BLOCK)
     return false;
@@ -1845,15 +1853,9 @@ bool APIConnection::send_buffer(ProtoWriteBuffer buffer, uint8_t message_type) {
   // Do not set last_traffic_ on send
   return true;
 }
-#ifdef USE_API_PASSWORD
-void APIConnection::on_unauthenticated_access() {
-  this->on_fatal_error();
-  ESP_LOGD(TAG, "%s (%s) no authentication", this->client_info_.name.c_str(), this->client_info_.peername.c_str());
-}
-#endif
 void APIConnection::on_no_setup_connection() {
   this->on_fatal_error();
-  ESP_LOGD(TAG, "%s (%s) no connection setup", this->client_info_.name.c_str(), this->client_info_.peername.c_str());
+  this->log_client_(ESPHOME_LOG_LEVEL_DEBUG, LOG_STR("no connection setup"));
 }
 void APIConnection::on_fatal_error() {
   this->helper_->close();
@@ -1899,9 +1901,9 @@ bool APIConnection::schedule_batch_() {
 }
 
 void APIConnection::process_batch_() {
-  // Ensure PacketInfo remains trivially destructible for our placement new approach
-  static_assert(std::is_trivially_destructible<PacketInfo>::value,
-                "PacketInfo must remain trivially destructible with this placement-new approach");
+  // Ensure MessageInfo remains trivially destructible for our placement new approach
+  static_assert(std::is_trivially_destructible<MessageInfo>::value,
+                "MessageInfo must remain trivially destructible with this placement-new approach");
 
   if (this->deferred_batch_.empty()) {
     this->flags_.batch_scheduled = false;
@@ -1941,12 +1943,12 @@ void APIConnection::process_batch_() {
     return;
   }
 
-  size_t packets_to_process = std::min(num_items, MAX_PACKETS_PER_BATCH);
+  size_t messages_to_process = std::min(num_items, MAX_MESSAGES_PER_BATCH);
 
-  // Stack-allocated array for packet info
-  alignas(PacketInfo) char packet_info_storage[MAX_PACKETS_PER_BATCH * sizeof(PacketInfo)];
-  PacketInfo *packet_info = reinterpret_cast<PacketInfo *>(packet_info_storage);
-  size_t packet_count = 0;
+  // Stack-allocated array for message info
+  alignas(MessageInfo) char message_info_storage[MAX_MESSAGES_PER_BATCH * sizeof(MessageInfo)];
+  MessageInfo *message_info = reinterpret_cast<MessageInfo *>(message_info_storage);
+  size_t message_count = 0;
 
   // Cache these values to avoid repeated virtual calls
   const uint8_t header_padding = this->helper_->frame_header_padding();
@@ -1977,7 +1979,7 @@ void APIConnection::process_batch_() {
   uint32_t current_offset = 0;
 
   // Process items and encode directly to buffer (up to our limit)
-  for (size_t i = 0; i < packets_to_process; i++) {
+  for (size_t i = 0; i < messages_to_process; i++) {
     const auto &item = this->deferred_batch_[i];
     // Try to encode message
     // The creator will calculate overhead to determine if the message fits
@@ -1991,11 +1993,11 @@ void APIConnection::process_batch_() {
     // Message was encoded successfully
     // payload_size is header_padding + actual payload size + footer_size
     uint16_t proto_payload_size = payload_size - header_padding - footer_size;
-    // Use placement new to construct PacketInfo in pre-allocated stack array
-    // This avoids default-constructing all MAX_PACKETS_PER_BATCH elements
-    // Explicit destruction is not needed because PacketInfo is trivially destructible,
+    // Use placement new to construct MessageInfo in pre-allocated stack array
+    // This avoids default-constructing all MAX_MESSAGES_PER_BATCH elements
+    // Explicit destruction is not needed because MessageInfo is trivially destructible,
     // as ensured by the static_assert in its definition.
-    new (&packet_info[packet_count++]) PacketInfo(item.message_type, current_offset, proto_payload_size);
+    new (&message_info[message_count++]) MessageInfo(item.message_type, current_offset, proto_payload_size);
 
     // Update tracking variables
     items_processed++;
@@ -2019,9 +2021,9 @@ void APIConnection::process_batch_() {
     shared_buf.resize(shared_buf.size() + footer_size);
   }
 
-  // Send all collected packets
-  APIError err = this->helper_->write_protobuf_packets(ProtoWriteBuffer{&shared_buf},
-                                                       std::span<const PacketInfo>(packet_info, packet_count));
+  // Send all collected messages
+  APIError err = this->helper_->write_protobuf_messages(ProtoWriteBuffer{&shared_buf},
+                                                        std::span<const MessageInfo>(message_info, message_count));
   if (err != APIError::OK && err != APIError::WOULD_BLOCK) {
     this->fatal_error_with_log_(LOG_STR("Batch write failed"), err);
   }
@@ -2089,10 +2091,10 @@ void APIConnection::process_state_subscriptions_() {
 
   const auto &it = subs[this->state_subs_at_];
   SubscribeHomeAssistantStateResponse resp;
-  resp.set_entity_id(StringRef(it.entity_id));
+  resp.entity_id = StringRef(it.entity_id);
 
   // Avoid string copy by using the const char* pointer if it exists
-  resp.set_attribute(it.attribute != nullptr ? StringRef(it.attribute) : StringRef(""));
+  resp.attribute = it.attribute != nullptr ? StringRef(it.attribute) : StringRef("");
 
   resp.once = it.once;
   if (this->send_message(resp, SubscribeHomeAssistantStateResponse::MESSAGE_TYPE)) {
@@ -2101,8 +2103,13 @@ void APIConnection::process_state_subscriptions_() {
 }
 #endif  // USE_API_HOMEASSISTANT_STATES
 
+void APIConnection::log_client_(int level, const LogString *message) {
+  esp_log_printf_(level, TAG, __LINE__, ESPHOME_LOG_FORMAT("%s (%s): %s"), this->helper_->get_client_name(),
+                  this->helper_->get_client_peername(), LOG_STR_ARG(message));
+}
+
 void APIConnection::log_warning_(const LogString *message, APIError err) {
-  ESP_LOGW(TAG, "%s (%s): %s %s errno=%d", this->client_info_.name.c_str(), this->client_info_.peername.c_str(),
+  ESP_LOGW(TAG, "%s (%s): %s %s errno=%d", this->helper_->get_client_name(), this->helper_->get_client_peername(),
            LOG_STR_ARG(message), LOG_STR_ARG(api_error_to_logstr(err)), errno);
 }
 

esphome/components/api/api_connection.h

@@ -9,32 +9,23 @@
 #include "esphome/core/application.h"
 #include "esphome/core/component.h"
 #include "esphome/core/entity_base.h"
+#include "esphome/core/string_ref.h"
 
 #include <functional>
 #include <vector>
 
 namespace esphome::api {
 
-// Client information structure
-struct ClientInfo {
-  std::string name;      // Client name from Hello message
-  std::string peername;  // IP:port from socket
-};
-
 // Keepalive timeout in milliseconds
 static constexpr uint32_t KEEPALIVE_TIMEOUT_MS = 60000;
 // Maximum number of entities to process in a single batch during initial state/info sending
-// This was increased from 20 to 24 after removing the unique_id field from entity info messages,
-// which reduced message sizes allowing more entities per batch without exceeding packet limits
-static constexpr size_t MAX_INITIAL_PER_BATCH = 24;
-// Maximum number of packets to process in a single batch (platform-dependent)
-// This limit exists to prevent stack overflow from the PacketInfo array in process_batch_
-// Each PacketInfo is 8 bytes, so 64 * 8 = 512 bytes, 32 * 8 = 256 bytes
-#if defined(USE_ESP32) || defined(USE_HOST)
-static constexpr size_t MAX_PACKETS_PER_BATCH = 64;  // ESP32 has 8KB+ stack, HOST has plenty
-#else
-static constexpr size_t MAX_PACKETS_PER_BATCH = 32;  // ESP8266/RP2040/etc have smaller stacks
-#endif
+// API 1.14+ clients compute object_id client-side, so messages are smaller and we can fit more per batch
+// TODO: Remove MAX_INITIAL_PER_BATCH_LEGACY before 2026.7.0 - all clients should support API 1.14 by then
+static constexpr size_t MAX_INITIAL_PER_BATCH_LEGACY = 24;  // For clients < API 1.14 (includes object_id)
+static constexpr size_t MAX_INITIAL_PER_BATCH = 34;         // For clients >= API 1.14 (no object_id)
+// Verify MAX_MESSAGES_PER_BATCH (defined in api_frame_helper.h) can hold the initial batch
+static_assert(MAX_MESSAGES_PER_BATCH >= MAX_INITIAL_PER_BATCH,
+              "MAX_MESSAGES_PER_BATCH must be >= MAX_INITIAL_PER_BATCH");
 
 class APIConnection final : public APIServerConnection {
  public:
@@ -202,9 +193,6 @@ class APIConnection final : public APIServerConnection {
   void on_get_time_response(const GetTimeResponse &value) override;
 #endif
   bool send_hello_response(const HelloRequest &msg) override;
-#ifdef USE_API_PASSWORD
-  bool send_authenticate_response(const AuthenticationRequest &msg) override;
-#endif
   bool send_disconnect_response(const DisconnectRequest &msg) override;
   bool send_ping_response(const PingRequest &msg) override;
   bool send_device_info_response(const DeviceInfoRequest &msg) override;
@@ -233,9 +221,9 @@ class APIConnection final : public APIServerConnection {
 #ifdef USE_API_USER_DEFINED_ACTIONS
   void execute_service(const ExecuteServiceRequest &msg) override;
 #ifdef USE_API_USER_DEFINED_ACTION_RESPONSES
-  void send_execute_service_response(uint32_t call_id, bool success, const std::string &error_message);
+  void send_execute_service_response(uint32_t call_id, bool success, StringRef error_message);
 #ifdef USE_API_USER_DEFINED_ACTION_RESPONSES_JSON
-  void send_execute_service_response(uint32_t call_id, bool success, const std::string &error_message,
+  void send_execute_service_response(uint32_t call_id, bool success, StringRef error_message,
                                      const uint8_t *response_data, size_t response_data_len);
 #endif  // USE_API_USER_DEFINED_ACTION_RESPONSES_JSON
 #endif  // USE_API_USER_DEFINED_ACTION_RESPONSES
@@ -260,9 +248,6 @@ class APIConnection final : public APIServerConnection {
   }
 
   void on_fatal_error() override;
-#ifdef USE_API_PASSWORD
-  void on_unauthenticated_access() override;
-#endif
   void on_no_setup_connection() override;
   ProtoWriteBuffer create_buffer(uint32_t reserve_size) override {
     // FIXME: ensure no recursive writes can happen
@@ -289,8 +274,9 @@ class APIConnection final : public APIServerConnection {
   bool try_to_clear_buffer(bool log_out_of_space);
   bool send_buffer(ProtoWriteBuffer buffer, uint8_t message_type) override;
 
-  const std::string &get_name() const { return this->client_info_.name; }
-  const std::string &get_peername() const { return this->client_info_.peername; }
+  const char *get_name() const { return this->helper_->get_client_name(); }
+  /// Get peer name (IP address) - cached at connection init time
+  const char *get_peername() const { return this->helper_->get_client_peername(); }
 
  protected:
   // Helper function to handle authentication completion
@@ -323,18 +309,24 @@ class APIConnection final : public APIServerConnection {
                                               APIConnection *conn, uint32_t remaining_size, bool is_single) {
     // Set common fields that are shared by all entity types
     msg.key = entity->get_object_id_hash();
-    // Get object_id with zero heap allocation
-    // Static case returns direct reference, dynamic case uses buffer
+
+    // API 1.14+ clients compute object_id client-side from the entity name
+    // For older clients, we must send object_id for backward compatibility
+    // See: https://github.com/esphome/backlog/issues/76
+    // TODO: Remove this backward compat code before 2026.7.0 - all clients should support API 1.14 by then
+    // Buffer must remain in scope until encode_message_to_buffer is called
     char object_id_buf[OBJECT_ID_MAX_LEN];
-    msg.set_object_id(entity->get_object_id_to(object_id_buf));
+    if (!conn->client_supports_api_version(1, 14)) {
+      msg.object_id = entity->get_object_id_to(object_id_buf);
+    }
 
     if (entity->has_own_name()) {
-      msg.set_name(entity->get_name());
+      msg.name = entity->get_name();
     }
 
     // Set common EntityBase properties
 #ifdef USE_ENTITY_ICON
-    msg.set_icon(entity->get_icon_ref());
+    msg.icon = entity->get_icon_ref();
 #endif
     msg.disabled_by_default = entity->is_disabled_by_default();
     msg.entity_category = static_cast<enums::EntityCategory>(entity->get_entity_category());
@@ -349,16 +341,24 @@ class APIConnection final : public APIServerConnection {
   inline bool check_voice_assistant_api_connection_() const;
 #endif
 
+  // Get the max batch size based on client API version
+  // API 1.14+ clients don't receive object_id, so messages are smaller and more fit per batch
+  // TODO: Remove this method before 2026.7.0 and use MAX_INITIAL_PER_BATCH directly
+  size_t get_max_batch_size_() const {
+    return this->client_supports_api_version(1, 14) ? MAX_INITIAL_PER_BATCH : MAX_INITIAL_PER_BATCH_LEGACY;
+  }
+
   // Helper method to process multiple entities from an iterator in a batch
   template<typename Iterator> void process_iterator_batch_(Iterator &iterator) {
     size_t initial_size = this->deferred_batch_.size();
-    while (!iterator.completed() && (this->deferred_batch_.size() - initial_size) < MAX_INITIAL_PER_BATCH) {
+    size_t max_batch = this->get_max_batch_size_();
+    while (!iterator.completed() && (this->deferred_batch_.size() - initial_size) < max_batch) {
       iterator.advance();
     }
 
     // If the batch is full, process it immediately
     // Note: iterator.advance() already calls schedule_batch_() via schedule_message_()
-    if (this->deferred_batch_.size() >= MAX_INITIAL_PER_BATCH) {
+    if (this->deferred_batch_.size() >= max_batch) {
       this->process_batch_();
     }
   }
@@ -522,10 +522,7 @@ class APIConnection final : public APIServerConnection {
   std::unique_ptr<camera::CameraImageReader> image_reader_;
 #endif
 
-  // Group 3: Client info struct (24 bytes on 32-bit: 2 strings × 12 bytes each)
-  ClientInfo client_info_;
-
-  // Group 4: 4-byte types
+  // Group 3: 4-byte types
   uint32_t last_traffic_;
 #ifdef USE_API_HOMEASSISTANT_STATES
   int state_subs_at_ = -1;
@@ -752,6 +749,8 @@ class APIConnection final : public APIServerConnection {
     return this->schedule_batch_();
   }
 
+  // Helper function to log client messages with name and peername
+  void log_client_(int level, const LogString *message);
   // Helper function to log API errors with errno
   void log_warning_(const LogString *message, APIError err);
   // Helper to handle fatal errors with logging

esphome/components/api/api_frame_helper.cpp

@@ -1,6 +1,5 @@
 #include "api_frame_helper.h"
 #ifdef USE_API
-#include "api_connection.h"  // For ClientInfo struct
 #include "esphome/core/application.h"
 #include "esphome/core/hal.h"
 #include "esphome/core/helpers.h"
@@ -13,12 +12,29 @@ namespace esphome::api {
 
 static const char *const TAG = "api.frame_helper";
 
-#define HELPER_LOG(msg, ...) \
-  ESP_LOGVV(TAG, "%s (%s): " msg, this->client_info_->name.c_str(), this->client_info_->peername.c_str(), ##__VA_ARGS__)
+// Maximum bytes to log in hex format (168 * 3 = 504, under TX buffer size of 512)
+static constexpr size_t API_MAX_LOG_BYTES = 168;
+
+#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERY_VERBOSE
+#define HELPER_LOG(msg, ...) ESP_LOGVV(TAG, "%s (%s): " msg, this->client_name_, this->client_peername_, ##__VA_ARGS__)
+#else
+#define HELPER_LOG(msg, ...) ((void) 0)
+#endif
 
 #ifdef HELPER_LOG_PACKETS
-#define LOG_PACKET_RECEIVED(buffer) ESP_LOGVV(TAG, "Received frame: %s", format_hex_pretty(buffer).c_str())
-#define LOG_PACKET_SENDING(data, len) ESP_LOGVV(TAG, "Sending raw: %s", format_hex_pretty(data, len).c_str())
+#define LOG_PACKET_RECEIVED(buffer) \
+  do { \
+    char hex_buf_[format_hex_pretty_size(API_MAX_LOG_BYTES)]; \
+    ESP_LOGVV(TAG, "Received frame: %s", \
+              format_hex_pretty_to(hex_buf_, (buffer).data(), \
+                                   (buffer).size() < API_MAX_LOG_BYTES ? (buffer).size() : API_MAX_LOG_BYTES)); \
+  } while (0)
+#define LOG_PACKET_SENDING(data, len) \
+  do { \
+    char hex_buf_[format_hex_pretty_size(API_MAX_LOG_BYTES)]; \
+    ESP_LOGVV(TAG, "Sending raw: %s", \
+              format_hex_pretty_to(hex_buf_, data, (len) < API_MAX_LOG_BYTES ? (len) : API_MAX_LOG_BYTES)); \
+  } while (0)
 #else
 #define LOG_PACKET_RECEIVED(buffer) ((void) 0)
 #define LOG_PACKET_SENDING(data, len) ((void) 0)
@@ -229,6 +245,8 @@ APIError APIFrameHelper::init_common_() {
     HELPER_LOG("Bad state for init %d", (int) state_);
     return APIError::BAD_STATE;
   }
+  // Cache peername now while socket is valid - needed for error logging after socket failure
+  this->socket_->getpeername_to(this->client_peername_);
   int err = this->socket_->setblocking(false);
   if (err != 0) {
     state_ = State::FAILED;

esphome/components/api/api_frame_helper.h

@@ -29,24 +29,28 @@ static constexpr uint16_t MAX_MESSAGE_SIZE = 8192;  // 8 KiB for ESP8266
 static constexpr uint16_t MAX_MESSAGE_SIZE = 32768;  // 32 KiB for ESP32 and other platforms
 #endif
 
-// Forward declaration
-struct ClientInfo;
+// Maximum number of messages to batch in a single write operation
+// Must be >= MAX_INITIAL_PER_BATCH in api_connection.h (enforced by static_assert there)
+static constexpr size_t MAX_MESSAGES_PER_BATCH = 34;
 
 class ProtoWriteBuffer;
 
+// Max client name length (e.g., "Home Assistant 2026.1.0.dev0" = 28 chars)
+static constexpr size_t CLIENT_INFO_NAME_MAX_LEN = 32;
+
 struct ReadPacketBuffer {
   const uint8_t *data;  // Points directly into frame helper's rx_buf_ (valid until next read_packet call)
   uint16_t data_len;
   uint16_t type;
 };
 
-// Packed packet info structure to minimize memory usage
-struct PacketInfo {
+// Packed message info structure to minimize memory usage
+struct MessageInfo {
   uint16_t offset;        // Offset in buffer where message starts
   uint16_t payload_size;  // Size of the message payload
   uint8_t message_type;   // Message type (0-255)
 
-  PacketInfo(uint8_t type, uint16_t off, uint16_t size) : offset(off), payload_size(size), message_type(type) {}
+  MessageInfo(uint8_t type, uint16_t off, uint16_t size) : offset(off), payload_size(size), message_type(type) {}
 };
 
 enum class APIError : uint16_t {
@@ -82,14 +86,23 @@ const LogString *api_error_to_logstr(APIError err);
 class APIFrameHelper {
  public:
   APIFrameHelper() = default;
-  explicit APIFrameHelper(std::unique_ptr<socket::Socket> socket, const ClientInfo *client_info)
-      : socket_(std::move(socket)), client_info_(client_info) {}
+  explicit APIFrameHelper(std::unique_ptr<socket::Socket> socket) : socket_(std::move(socket)) {}
+
+  // Get client name (null-terminated)
+  const char *get_client_name() const { return this->client_name_; }
+  // Get client peername/IP (null-terminated, cached at init time for availability after socket failure)
+  const char *get_client_peername() const { return this->client_peername_; }
+  // Set client name from buffer with length (truncates if needed)
+  void set_client_name(const char *name, size_t len) {
+    size_t copy_len = std::min(len, sizeof(this->client_name_) - 1);
+    memcpy(this->client_name_, name, copy_len);
+    this->client_name_[copy_len] = '\0';
+  }
   virtual ~APIFrameHelper() = default;
   virtual APIError init() = 0;
   virtual APIError loop();
   virtual APIError read_packet(ReadPacketBuffer *buffer) = 0;
   bool can_write_without_blocking() { return this->state_ == State::DATA && this->tx_buf_count_ == 0; }
-  std::string getpeername() { return socket_->getpeername(); }
   int getpeername(struct sockaddr *addr, socklen_t *addrlen) { return socket_->getpeername(addr, addrlen); }
   APIError close() {
     state_ = State::CLOSED;
@@ -107,11 +120,32 @@ class APIFrameHelper {
     }
     return APIError::OK;
   }
+  /// Toggle TCP_NODELAY socket option to control Nagle's algorithm.
+  ///
+  /// This is used to allow log messages to coalesce (Nagle enabled) while keeping
+  /// state updates low-latency (NODELAY enabled). Without this, many small log
+  /// packets fill the TCP send buffer, crowding out important state updates.
+  ///
+  /// State is tracked to minimize setsockopt() overhead - on lwip_raw (ESP8266/RP2040)
+  /// this is just a boolean assignment; on other platforms it's a lightweight syscall.
+  ///
+  /// @param enable true to enable NODELAY (disable Nagle), false to enable Nagle
+  /// @return true if successful or already in desired state
+  bool set_nodelay(bool enable) {
+    if (this->nodelay_enabled_ == enable)
+      return true;
+    int val = enable ? 1 : 0;
+    int err = this->socket_->setsockopt(IPPROTO_TCP, TCP_NODELAY, &val, sizeof(int));
+    if (err == 0) {
+      this->nodelay_enabled_ = enable;
+    }
+    return err == 0;
+  }
   virtual APIError write_protobuf_packet(uint8_t type, ProtoWriteBuffer buffer) = 0;
-  // Write multiple protobuf packets in a single operation
-  // packets contains (message_type, offset, length) for each message in the buffer
+  // Write multiple protobuf messages in a single operation
+  // messages contains (message_type, offset, length) for each message in the buffer
   // The buffer contains all messages with appropriate padding before each
-  virtual APIError write_protobuf_packets(ProtoWriteBuffer buffer, std::span<const PacketInfo> packets) = 0;
+  virtual APIError write_protobuf_messages(ProtoWriteBuffer buffer, std::span<const MessageInfo> messages) = 0;
   // Get the frame header padding required by this protocol
   uint8_t frame_header_padding() const { return frame_header_padding_; }
   // Get the frame footer size required by this protocol
@@ -127,12 +161,6 @@ class APIFrameHelper {
       // Use swap trick since shrink_to_fit() is non-binding and may be ignored
       std::vector<uint8_t>().swap(this->rx_buf_);
     }
-    // reusable_iovs_: Safe to release unconditionally.
-    // Only used within write_protobuf_packets() calls - cleared at start,
-    // populated with pointers, used for writev(), then function returns.
-    // The iovecs contain stale pointers after the call (data was either sent
-    // or copied to tx_buf_), and are cleared on next write_protobuf_packets().
-    std::vector<struct iovec>().swap(this->reusable_iovs_);
   }
 
  protected:
@@ -186,12 +214,12 @@ class APIFrameHelper {
 
   // Containers (size varies, but typically 12+ bytes on 32-bit)
   std::array<std::unique_ptr<SendBuffer>, API_MAX_SEND_QUEUE> tx_buf_;
-  std::vector<struct iovec> reusable_iovs_;
   std::vector<uint8_t> rx_buf_;
 
-  // Pointer to client info (4 bytes on 32-bit)
-  // Note: The pointed-to ClientInfo object must outlive this APIFrameHelper instance.
-  const ClientInfo *client_info_{nullptr};
+  // Client name buffer - stores name from Hello message or initial peername
+  char client_name_[CLIENT_INFO_NAME_MAX_LEN]{};
+  // Cached peername/IP address - captured at init time for availability after socket failure
+  char client_peername_[socket::SOCKADDR_STR_LEN]{};
 
   // Group smaller types together
   uint16_t rx_buf_len_ = 0;
@@ -201,7 +229,10 @@ class APIFrameHelper {
   uint8_t tx_buf_head_{0};
   uint8_t tx_buf_tail_{0};
   uint8_t tx_buf_count_{0};
-  // 8 bytes total, 0 bytes padding
+  // Tracks TCP_NODELAY state to minimize setsockopt() calls. Initialized to true
+  // since init_common_() enables NODELAY. Used by set_nodelay() to allow log
+  // messages to coalesce while keeping state updates low-latency.
+  bool nodelay_enabled_{true};
 
   // Common initialization for both plaintext and noise protocols
   APIError init_common_();

esphome/components/api/api_frame_helper_noise.cpp

@@ -24,12 +24,29 @@ static const char *const PROLOGUE_INIT = "NoiseAPIInit";
 #endif
 static constexpr size_t PROLOGUE_INIT_LEN = 12;  // strlen("NoiseAPIInit")
 
-#define HELPER_LOG(msg, ...) \
-  ESP_LOGVV(TAG, "%s (%s): " msg, this->client_info_->name.c_str(), this->client_info_->peername.c_str(), ##__VA_ARGS__)
+// Maximum bytes to log in hex format (168 * 3 = 504, under TX buffer size of 512)
+static constexpr size_t API_MAX_LOG_BYTES = 168;
+
+#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERY_VERBOSE
+#define HELPER_LOG(msg, ...) ESP_LOGVV(TAG, "%s (%s): " msg, this->client_name_, this->client_peername_, ##__VA_ARGS__)
+#else
+#define HELPER_LOG(msg, ...) ((void) 0)
+#endif
 
 #ifdef HELPER_LOG_PACKETS
-#define LOG_PACKET_RECEIVED(buffer) ESP_LOGVV(TAG, "Received frame: %s", format_hex_pretty(buffer).c_str())
-#define LOG_PACKET_SENDING(data, len) ESP_LOGVV(TAG, "Sending raw: %s", format_hex_pretty(data, len).c_str())
+#define LOG_PACKET_RECEIVED(buffer) \
+  do { \
+    char hex_buf_[format_hex_pretty_size(API_MAX_LOG_BYTES)]; \
+    ESP_LOGVV(TAG, "Received frame: %s", \
+              format_hex_pretty_to(hex_buf_, (buffer).data(), \
+                                   (buffer).size() < API_MAX_LOG_BYTES ? (buffer).size() : API_MAX_LOG_BYTES)); \
+  } while (0)
+#define LOG_PACKET_SENDING(data, len) \
+  do { \
+    char hex_buf_[format_hex_pretty_size(API_MAX_LOG_BYTES)]; \
+    ESP_LOGVV(TAG, "Sending raw: %s", \
+              format_hex_pretty_to(hex_buf_, data, (len) < API_MAX_LOG_BYTES ? (len) : API_MAX_LOG_BYTES)); \
+  } while (0)
 #else
 #define LOG_PACKET_RECEIVED(buffer) ((void) 0)
 #define LOG_PACKET_SENDING(data, len) ((void) 0)
@@ -415,12 +432,12 @@ APIError APINoiseFrameHelper::read_packet(ReadPacketBuffer *buffer) {
 APIError APINoiseFrameHelper::write_protobuf_packet(uint8_t type, ProtoWriteBuffer buffer) {
   // Resize to include MAC space (required for Noise encryption)
   buffer.get_buffer()->resize(buffer.get_buffer()->size() + frame_footer_size_);
-  PacketInfo packet{type, 0,
-                    static_cast<uint16_t>(buffer.get_buffer()->size() - frame_header_padding_ - frame_footer_size_)};
-  return write_protobuf_packets(buffer, std::span<const PacketInfo>(&packet, 1));
+  MessageInfo msg{type, 0,
+                  static_cast<uint16_t>(buffer.get_buffer()->size() - frame_header_padding_ - frame_footer_size_)};
+  return write_protobuf_messages(buffer, std::span<const MessageInfo>(&msg, 1));
 }
 
-APIError APINoiseFrameHelper::write_protobuf_packets(ProtoWriteBuffer buffer, std::span<const PacketInfo> packets) {
+APIError APINoiseFrameHelper::write_protobuf_messages(ProtoWriteBuffer buffer, std::span<const MessageInfo> messages) {
   APIError aerr = state_action_();
   if (aerr != APIError::OK) {
     return aerr;
@@ -430,20 +447,20 @@ APIError APINoiseFrameHelper::write_protobuf_packets(ProtoWriteBuffer buffer, st
     return APIError::WOULD_BLOCK;
   }
 
-  if (packets.empty()) {
+  if (messages.empty()) {
     return APIError::OK;
   }
 
   uint8_t *buffer_data = buffer.get_buffer()->data();
 
-  this->reusable_iovs_.clear();
-  this->reusable_iovs_.reserve(packets.size());
+  // Stack-allocated iovec array - no heap allocation
+  StaticVector<struct iovec, MAX_MESSAGES_PER_BATCH> iovs;
   uint16_t total_write_len = 0;
 
-  // We need to encrypt each packet in place
-  for (const auto &packet : packets) {
+  // We need to encrypt each message in place
+  for (const auto &msg : messages) {
     // The buffer already has padding at offset
-    uint8_t *buf_start = buffer_data + packet.offset;
+    uint8_t *buf_start = buffer_data + msg.offset;
 
     // Write noise header
     buf_start[0] = 0x01;  // indicator
@@ -451,10 +468,10 @@ APIError APINoiseFrameHelper::write_protobuf_packets(ProtoWriteBuffer buffer, st
 
     // Write message header (to be encrypted)
     const uint8_t msg_offset = 3;
-    buf_start[msg_offset] = static_cast<uint8_t>(packet.message_type >> 8);      // type high byte
-    buf_start[msg_offset + 1] = static_cast<uint8_t>(packet.message_type);       // type low byte
-    buf_start[msg_offset + 2] = static_cast<uint8_t>(packet.payload_size >> 8);  // data_len high byte
-    buf_start[msg_offset + 3] = static_cast<uint8_t>(packet.payload_size);       // data_len low byte
+    buf_start[msg_offset] = static_cast<uint8_t>(msg.message_type >> 8);      // type high byte
+    buf_start[msg_offset + 1] = static_cast<uint8_t>(msg.message_type);       // type low byte
+    buf_start[msg_offset + 2] = static_cast<uint8_t>(msg.payload_size >> 8);  // data_len high byte
+    buf_start[msg_offset + 3] = static_cast<uint8_t>(msg.payload_size);       // data_len low byte
     // payload data is already in the buffer starting at offset + 7
 
     // Make sure we have space for MAC
@@ -463,8 +480,8 @@ APIError APINoiseFrameHelper::write_protobuf_packets(ProtoWriteBuffer buffer, st
     // Encrypt the message in place
     NoiseBuffer mbuf;
     noise_buffer_init(mbuf);
-    noise_buffer_set_inout(mbuf, buf_start + msg_offset, 4 + packet.payload_size,
-                           4 + packet.payload_size + frame_footer_size_);
+    noise_buffer_set_inout(mbuf, buf_start + msg_offset, 4 + msg.payload_size,
+                           4 + msg.payload_size + frame_footer_size_);
 
     int err = noise_cipherstate_encrypt(send_cipher_, &mbuf);
     APIError aerr =
@@ -476,14 +493,14 @@ APIError APINoiseFrameHelper::write_protobuf_packets(ProtoWriteBuffer buffer, st
     buf_start[1] = static_cast<uint8_t>(mbuf.size >> 8);
     buf_start[2] = static_cast<uint8_t>(mbuf.size);
 
-    // Add iovec for this encrypted packet
-    size_t packet_len = static_cast<size_t>(3 + mbuf.size);  // indicator + size + encrypted data
-    this->reusable_iovs_.push_back({buf_start, packet_len});
-    total_write_len += packet_len;
+    // Add iovec for this encrypted message
+    size_t msg_len = static_cast<size_t>(3 + mbuf.size);  // indicator + size + encrypted data
+    iovs.push_back({buf_start, msg_len});
+    total_write_len += msg_len;
   }
 
-  // Send all encrypted packets in one writev call
-  return this->write_raw_(this->reusable_iovs_.data(), this->reusable_iovs_.size(), total_write_len);
+  // Send all encrypted messages in one writev call
+  return this->write_raw_(iovs.data(), iovs.size(), total_write_len);
 }
 
 APIError APINoiseFrameHelper::write_frame_(const uint8_t *data, uint16_t len) {

esphome/components/api/api_frame_helper_noise.h

@@ -9,8 +9,8 @@ namespace esphome::api {
 
 class APINoiseFrameHelper final : public APIFrameHelper {
  public:
-  APINoiseFrameHelper(std::unique_ptr<socket::Socket> socket, APINoiseContext &ctx, const ClientInfo *client_info)
-      : APIFrameHelper(std::move(socket), client_info), ctx_(ctx) {
+  APINoiseFrameHelper(std::unique_ptr<socket::Socket> socket, APINoiseContext &ctx)
+      : APIFrameHelper(std::move(socket)), ctx_(ctx) {
     // Noise header structure:
     // Pos 0: indicator (0x01)
     // Pos 1-2: encrypted payload size (16-bit big-endian)
@@ -23,7 +23,7 @@ class APINoiseFrameHelper final : public APIFrameHelper {
   APIError loop() override;
   APIError read_packet(ReadPacketBuffer *buffer) override;
   APIError write_protobuf_packet(uint8_t type, ProtoWriteBuffer buffer) override;
-  APIError write_protobuf_packets(ProtoWriteBuffer buffer, std::span<const PacketInfo> packets) override;
+  APIError write_protobuf_messages(ProtoWriteBuffer buffer, std::span<const MessageInfo> messages) override;
 
  protected:
   APIError state_action_();

esphome/components/api/api_frame_helper_plaintext.cpp

@@ -1,7 +1,6 @@
 #include "api_frame_helper_plaintext.h"
 #ifdef USE_API
 #ifdef USE_API_PLAINTEXT
-#include "api_connection.h"  // For ClientInfo struct
 #include "esphome/core/application.h"
 #include "esphome/core/hal.h"
 #include "esphome/core/helpers.h"
@@ -18,12 +17,29 @@ namespace esphome::api {
 
 static const char *const TAG = "api.plaintext";
 
-#define HELPER_LOG(msg, ...) \
-  ESP_LOGVV(TAG, "%s (%s): " msg, this->client_info_->name.c_str(), this->client_info_->peername.c_str(), ##__VA_ARGS__)
+// Maximum bytes to log in hex format (168 * 3 = 504, under TX buffer size of 512)
+static constexpr size_t API_MAX_LOG_BYTES = 168;
+
+#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERY_VERBOSE
+#define HELPER_LOG(msg, ...) ESP_LOGVV(TAG, "%s (%s): " msg, this->client_name_, this->client_peername_, ##__VA_ARGS__)
+#else
+#define HELPER_LOG(msg, ...) ((void) 0)
+#endif
 
 #ifdef HELPER_LOG_PACKETS
-#define LOG_PACKET_RECEIVED(buffer) ESP_LOGVV(TAG, "Received frame: %s", format_hex_pretty(buffer).c_str())
-#define LOG_PACKET_SENDING(data, len) ESP_LOGVV(TAG, "Sending raw: %s", format_hex_pretty(data, len).c_str())
+#define LOG_PACKET_RECEIVED(buffer) \
+  do { \
+    char hex_buf_[format_hex_pretty_size(API_MAX_LOG_BYTES)]; \
+    ESP_LOGVV(TAG, "Received frame: %s", \
+              format_hex_pretty_to(hex_buf_, (buffer).data(), \
+                                   (buffer).size() < API_MAX_LOG_BYTES ? (buffer).size() : API_MAX_LOG_BYTES)); \
+  } while (0)
+#define LOG_PACKET_SENDING(data, len) \
+  do { \
+    char hex_buf_[format_hex_pretty_size(API_MAX_LOG_BYTES)]; \
+    ESP_LOGVV(TAG, "Sending raw: %s", \
+              format_hex_pretty_to(hex_buf_, data, (len) < API_MAX_LOG_BYTES ? (len) : API_MAX_LOG_BYTES)); \
+  } while (0)
 #else
 #define LOG_PACKET_RECEIVED(buffer) ((void) 0)
 #define LOG_PACKET_SENDING(data, len) ((void) 0)
@@ -216,29 +232,30 @@ APIError APIPlaintextFrameHelper::read_packet(ReadPacketBuffer *buffer) {
   return APIError::OK;
 }
 APIError APIPlaintextFrameHelper::write_protobuf_packet(uint8_t type, ProtoWriteBuffer buffer) {
-  PacketInfo packet{type, 0, static_cast<uint16_t>(buffer.get_buffer()->size() - frame_header_padding_)};
-  return write_protobuf_packets(buffer, std::span<const PacketInfo>(&packet, 1));
+  MessageInfo msg{type, 0, static_cast<uint16_t>(buffer.get_buffer()->size() - frame_header_padding_)};
+  return write_protobuf_messages(buffer, std::span<const MessageInfo>(&msg, 1));
 }
 
-APIError APIPlaintextFrameHelper::write_protobuf_packets(ProtoWriteBuffer buffer, std::span<const PacketInfo> packets) {
+APIError APIPlaintextFrameHelper::write_protobuf_messages(ProtoWriteBuffer buffer,
+                                                          std::span<const MessageInfo> messages) {
   if (state_ != State::DATA) {
     return APIError::BAD_STATE;
   }
 
-  if (packets.empty()) {
+  if (messages.empty()) {
     return APIError::OK;
   }
 
   uint8_t *buffer_data = buffer.get_buffer()->data();
 
-  this->reusable_iovs_.clear();
-  this->reusable_iovs_.reserve(packets.size());
+  // Stack-allocated iovec array - no heap allocation
+  StaticVector<struct iovec, MAX_MESSAGES_PER_BATCH> iovs;
   uint16_t total_write_len = 0;
 
-  for (const auto &packet : packets) {
+  for (const auto &msg : messages) {
     // Calculate varint sizes for header layout
-    uint8_t size_varint_len = api::ProtoSize::varint(static_cast<uint32_t>(packet.payload_size));
-    uint8_t type_varint_len = api::ProtoSize::varint(static_cast<uint32_t>(packet.message_type));
+    uint8_t size_varint_len = api::ProtoSize::varint(static_cast<uint32_t>(msg.payload_size));
+    uint8_t type_varint_len = api::ProtoSize::varint(static_cast<uint32_t>(msg.message_type));
     uint8_t total_header_len = 1 + size_varint_len + type_varint_len;
 
     // Calculate where to start writing the header
@@ -266,25 +283,25 @@ APIError APIPlaintextFrameHelper::write_protobuf_packets(ProtoWriteBuffer buffer
     //
     // The message starts at offset + frame_header_padding_
     // So we write the header starting at offset + frame_header_padding_ - total_header_len
-    uint8_t *buf_start = buffer_data + packet.offset;
+    uint8_t *buf_start = buffer_data + msg.offset;
     uint32_t header_offset = frame_header_padding_ - total_header_len;
 
     // Write the plaintext header
     buf_start[header_offset] = 0x00;  // indicator
 
     // Encode varints directly into buffer
-    ProtoVarInt(packet.payload_size).encode_to_buffer_unchecked(buf_start + header_offset + 1, size_varint_len);
-    ProtoVarInt(packet.message_type)
+    ProtoVarInt(msg.payload_size).encode_to_buffer_unchecked(buf_start + header_offset + 1, size_varint_len);
+    ProtoVarInt(msg.message_type)
         .encode_to_buffer_unchecked(buf_start + header_offset + 1 + size_varint_len, type_varint_len);
 
-    // Add iovec for this packet (header + payload)
-    size_t packet_len = static_cast<size_t>(total_header_len + packet.payload_size);
-    this->reusable_iovs_.push_back({buf_start + header_offset, packet_len});
-    total_write_len += packet_len;
+    // Add iovec for this message (header + payload)
+    size_t msg_len = static_cast<size_t>(total_header_len + msg.payload_size);
+    iovs.push_back({buf_start + header_offset, msg_len});
+    total_write_len += msg_len;
   }
 
-  // Send all packets in one writev call
-  return write_raw_(this->reusable_iovs_.data(), this->reusable_iovs_.size(), total_write_len);
+  // Send all messages in one writev call
+  return write_raw_(iovs.data(), iovs.size(), total_write_len);
 }
 
 }  // namespace esphome::api

esphome/components/api/api_frame_helper_plaintext.h

@@ -7,8 +7,7 @@ namespace esphome::api {
 
 class APIPlaintextFrameHelper final : public APIFrameHelper {
  public:
-  APIPlaintextFrameHelper(std::unique_ptr<socket::Socket> socket, const ClientInfo *client_info)
-      : APIFrameHelper(std::move(socket), client_info) {
+  explicit APIPlaintextFrameHelper(std::unique_ptr<socket::Socket> socket) : APIFrameHelper(std::move(socket)) {
     // Plaintext header structure (worst case):
     // Pos 0: indicator (0x00)
     // Pos 1-3: payload size varint (up to 3 bytes)
@@ -21,7 +20,7 @@ class APIPlaintextFrameHelper final : public APIFrameHelper {
   APIError loop() override;
   APIError read_packet(ReadPacketBuffer *buffer) override;
   APIError write_protobuf_packet(uint8_t type, ProtoWriteBuffer buffer) override;
-  APIError write_protobuf_packets(ProtoWriteBuffer buffer, std::span<const PacketInfo> packets) override;
+  APIError write_protobuf_messages(ProtoWriteBuffer buffer, std::span<const MessageInfo> messages) override;
 
  protected:
   APIError try_read_frame_();

esphome/components/api/api_pb2.h

@@ -315,15 +315,12 @@ enum ZWaveProxyRequestType : uint32_t {
 class InfoResponseProtoMessage : public ProtoMessage {
  public:
   ~InfoResponseProtoMessage() override = default;
-  StringRef object_id_ref_{};
-  void set_object_id(const StringRef &ref) { this->object_id_ref_ = ref; }
+  StringRef object_id{};
   uint32_t key{0};
-  StringRef name_ref_{};
-  void set_name(const StringRef &ref) { this->name_ref_ = ref; }
+  StringRef name{};
   bool disabled_by_default{false};
 #ifdef USE_ENTITY_ICON
-  StringRef icon_ref_{};
-  void set_icon(const StringRef &ref) { this->icon_ref_ = ref; }
+  StringRef icon{};
 #endif
   enums::EntityCategory entity_category{};
 #ifdef USE_DEVICES
@@ -357,12 +354,11 @@ class CommandProtoMessage : public ProtoDecodableMessage {
 class HelloRequest final : public ProtoDecodableMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 1;
-  static constexpr uint8_t ESTIMATED_SIZE = 27;
+  static constexpr uint8_t ESTIMATED_SIZE = 17;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "hello_request"; }
 #endif
-  const uint8_t *client_info{nullptr};
-  uint16_t client_info_len{0};
+  StringRef client_info{};
   uint32_t api_version_major{0};
   uint32_t api_version_minor{0};
 #ifdef HAS_PROTO_MESSAGE_DUMP
@@ -382,10 +378,8 @@ class HelloResponse final : public ProtoMessage {
 #endif
   uint32_t api_version_major{0};
   uint32_t api_version_minor{0};
-  StringRef server_info_ref_{};
-  void set_server_info(const StringRef &ref) { this->server_info_ref_ = ref; }
-  StringRef name_ref_{};
-  void set_name(const StringRef &ref) { this->name_ref_ = ref; }
+  StringRef server_info{};
+  StringRef name{};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
 #ifdef HAS_PROTO_MESSAGE_DUMP
@@ -394,40 +388,6 @@ class HelloResponse final : public ProtoMessage {
 
  protected:
 };
-#ifdef USE_API_PASSWORD
-class AuthenticationRequest final : public ProtoDecodableMessage {
- public:
-  static constexpr uint8_t MESSAGE_TYPE = 3;
-  static constexpr uint8_t ESTIMATED_SIZE = 19;
-#ifdef HAS_PROTO_MESSAGE_DUMP
-  const char *message_name() const override { return "authentication_request"; }
-#endif
-  const uint8_t *password{nullptr};
-  uint16_t password_len{0};
-#ifdef HAS_PROTO_MESSAGE_DUMP
-  void dump_to(std::string &out) const override;
-#endif
-
- protected:
-  bool decode_length(uint32_t field_id, ProtoLengthDelimited value) override;
-};
-class AuthenticationResponse final : public ProtoMessage {
- public:
-  static constexpr uint8_t MESSAGE_TYPE = 4;
-  static constexpr uint8_t ESTIMATED_SIZE = 2;
-#ifdef HAS_PROTO_MESSAGE_DUMP
-  const char *message_name() const override { return "authentication_response"; }
-#endif
-  bool invalid_password{false};
-  void encode(ProtoWriteBuffer buffer) const override;
-  void calculate_size(ProtoSize &size) const override;
-#ifdef HAS_PROTO_MESSAGE_DUMP
-  void dump_to(std::string &out) const override;
-#endif
-
- protected:
-};
-#endif
 class DisconnectRequest final : public ProtoMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 5;
@@ -497,8 +457,7 @@ class DeviceInfoRequest final : public ProtoMessage {
 class AreaInfo final : public ProtoMessage {
  public:
   uint32_t area_id{0};
-  StringRef name_ref_{};
-  void set_name(const StringRef &ref) { this->name_ref_ = ref; }
+  StringRef name{};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
 #ifdef HAS_PROTO_MESSAGE_DUMP
@@ -512,8 +471,7 @@ class AreaInfo final : public ProtoMessage {
 class DeviceInfo final : public ProtoMessage {
  public:
   uint32_t device_id{0};
-  StringRef name_ref_{};
-  void set_name(const StringRef &ref) { this->name_ref_ = ref; }
+  StringRef name{};
   uint32_t area_id{0};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
@@ -527,33 +485,23 @@ class DeviceInfo final : public ProtoMessage {
 class DeviceInfoResponse final : public ProtoMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 10;
-  static constexpr uint16_t ESTIMATED_SIZE = 257;
+  static constexpr uint8_t ESTIMATED_SIZE = 255;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "device_info_response"; }
 #endif
-#ifdef USE_API_PASSWORD
-  bool uses_password{false};
-#endif
-  StringRef name_ref_{};
-  void set_name(const StringRef &ref) { this->name_ref_ = ref; }
-  StringRef mac_address_ref_{};
-  void set_mac_address(const StringRef &ref) { this->mac_address_ref_ = ref; }
-  StringRef esphome_version_ref_{};
-  void set_esphome_version(const StringRef &ref) { this->esphome_version_ref_ = ref; }
-  StringRef compilation_time_ref_{};
-  void set_compilation_time(const StringRef &ref) { this->compilation_time_ref_ = ref; }
-  StringRef model_ref_{};
-  void set_model(const StringRef &ref) { this->model_ref_ = ref; }
+  StringRef name{};
+  StringRef mac_address{};
+  StringRef esphome_version{};
+  StringRef compilation_time{};
+  StringRef model{};
 #ifdef USE_DEEP_SLEEP
   bool has_deep_sleep{false};
 #endif
 #ifdef ESPHOME_PROJECT_NAME
-  StringRef project_name_ref_{};
-  void set_project_name(const StringRef &ref) { this->project_name_ref_ = ref; }
+  StringRef project_name{};
 #endif
 #ifdef ESPHOME_PROJECT_NAME
-  StringRef project_version_ref_{};
-  void set_project_version(const StringRef &ref) { this->project_version_ref_ = ref; }
+  StringRef project_version{};
 #endif
 #ifdef USE_WEBSERVER
   uint32_t webserver_port{0};
@@ -561,20 +509,16 @@ class DeviceInfoResponse final : public ProtoMessage {
 #ifdef USE_BLUETOOTH_PROXY
   uint32_t bluetooth_proxy_feature_flags{0};
 #endif
-  StringRef manufacturer_ref_{};
-  void set_manufacturer(const StringRef &ref) { this->manufacturer_ref_ = ref; }
-  StringRef friendly_name_ref_{};
-  void set_friendly_name(const StringRef &ref) { this->friendly_name_ref_ = ref; }
+  StringRef manufacturer{};
+  StringRef friendly_name{};
 #ifdef USE_VOICE_ASSISTANT
   uint32_t voice_assistant_feature_flags{0};
 #endif
 #ifdef USE_AREAS
-  StringRef suggested_area_ref_{};
-  void set_suggested_area(const StringRef &ref) { this->suggested_area_ref_ = ref; }
+  StringRef suggested_area{};
 #endif
 #ifdef USE_BLUETOOTH_PROXY
-  StringRef bluetooth_mac_address_ref_{};
-  void set_bluetooth_mac_address(const StringRef &ref) { this->bluetooth_mac_address_ref_ = ref; }
+  StringRef bluetooth_mac_address{};
 #endif
 #ifdef USE_API_NOISE
   bool api_encryption_supported{false};
@@ -649,8 +593,7 @@ class ListEntitiesBinarySensorResponse final : public InfoResponseProtoMessage {
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "list_entities_binary_sensor_response"; }
 #endif
-  StringRef device_class_ref_{};
-  void set_device_class(const StringRef &ref) { this->device_class_ref_ = ref; }
+  StringRef device_class{};
   bool is_status_binary_sensor{false};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
@@ -689,8 +632,7 @@ class ListEntitiesCoverResponse final : public InfoResponseProtoMessage {
   bool assumed_state{false};
   bool supports_position{false};
   bool supports_tilt{false};
-  StringRef device_class_ref_{};
-  void set_device_class(const StringRef &ref) { this->device_class_ref_ = ref; }
+  StringRef device_class{};
   bool supports_stop{false};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
@@ -771,8 +713,7 @@ class FanStateResponse final : public StateResponseProtoMessage {
   bool oscillating{false};
   enums::FanDirection direction{};
   int32_t speed_level{0};
-  StringRef preset_mode_ref_{};
-  void set_preset_mode(const StringRef &ref) { this->preset_mode_ref_ = ref; }
+  StringRef preset_mode{};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
 #ifdef HAS_PROTO_MESSAGE_DUMP
@@ -784,7 +725,7 @@ class FanStateResponse final : public StateResponseProtoMessage {
 class FanCommandRequest final : public CommandProtoMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 31;
-  static constexpr uint8_t ESTIMATED_SIZE = 48;
+  static constexpr uint8_t ESTIMATED_SIZE = 38;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "fan_command_request"; }
 #endif
@@ -797,8 +738,7 @@ class FanCommandRequest final : public CommandProtoMessage {
   bool has_speed_level{false};
   int32_t speed_level{0};
   bool has_preset_mode{false};
-  const uint8_t *preset_mode{nullptr};
-  uint16_t preset_mode_len{0};
+  StringRef preset_mode{};
 #ifdef HAS_PROTO_MESSAGE_DUMP
   void dump_to(std::string &out) const override;
 #endif
@@ -847,8 +787,7 @@ class LightStateResponse final : public StateResponseProtoMessage {
   float color_temperature{0.0f};
   float cold_white{0.0f};
   float warm_white{0.0f};
-  StringRef effect_ref_{};
-  void set_effect(const StringRef &ref) { this->effect_ref_ = ref; }
+  StringRef effect{};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
 #ifdef HAS_PROTO_MESSAGE_DUMP
@@ -860,7 +799,7 @@ class LightStateResponse final : public StateResponseProtoMessage {
 class LightCommandRequest final : public CommandProtoMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 32;
-  static constexpr uint8_t ESTIMATED_SIZE = 122;
+  static constexpr uint8_t ESTIMATED_SIZE = 112;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "light_command_request"; }
 #endif
@@ -889,8 +828,7 @@ class LightCommandRequest final : public CommandProtoMessage {
   bool has_flash_length{false};
   uint32_t flash_length{0};
   bool has_effect{false};
-  const uint8_t *effect{nullptr};
-  uint16_t effect_len{0};
+  StringRef effect{};
 #ifdef HAS_PROTO_MESSAGE_DUMP
   void dump_to(std::string &out) const override;
 #endif
@@ -909,12 +847,10 @@ class ListEntitiesSensorResponse final : public InfoResponseProtoMessage {
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "list_entities_sensor_response"; }
 #endif
-  StringRef unit_of_measurement_ref_{};
-  void set_unit_of_measurement(const StringRef &ref) { this->unit_of_measurement_ref_ = ref; }
+  StringRef unit_of_measurement{};
   int32_t accuracy_decimals{0};
   bool force_update{false};
-  StringRef device_class_ref_{};
-  void set_device_class(const StringRef &ref) { this->device_class_ref_ = ref; }
+  StringRef device_class{};
   enums::SensorStateClass state_class{};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
@@ -951,8 +887,7 @@ class ListEntitiesSwitchResponse final : public InfoResponseProtoMessage {
   const char *message_name() const override { return "list_entities_switch_response"; }
 #endif
   bool assumed_state{false};
-  StringRef device_class_ref_{};
-  void set_device_class(const StringRef &ref) { this->device_class_ref_ = ref; }
+  StringRef device_class{};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
 #ifdef HAS_PROTO_MESSAGE_DUMP
@@ -1002,8 +937,7 @@ class ListEntitiesTextSensorResponse final : public InfoResponseProtoMessage {
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "list_entities_text_sensor_response"; }
 #endif
-  StringRef device_class_ref_{};
-  void set_device_class(const StringRef &ref) { this->device_class_ref_ = ref; }
+  StringRef device_class{};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
 #ifdef HAS_PROTO_MESSAGE_DUMP
@@ -1019,8 +953,7 @@ class TextSensorStateResponse final : public StateResponseProtoMessage {
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "text_sensor_state_response"; }
 #endif
-  StringRef state_ref_{};
-  void set_state(const StringRef &ref) { this->state_ref_ = ref; }
+  StringRef state{};
   bool missing_state{false};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
@@ -1050,7 +983,7 @@ class SubscribeLogsRequest final : public ProtoDecodableMessage {
 class SubscribeLogsResponse final : public ProtoMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 29;
-  static constexpr uint8_t ESTIMATED_SIZE = 11;
+  static constexpr uint8_t ESTIMATED_SIZE = 21;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "subscribe_logs_response"; }
 #endif
@@ -1119,8 +1052,7 @@ class SubscribeHomeassistantServicesRequest final : public ProtoMessage {
 };
 class HomeassistantServiceMap final : public ProtoMessage {
  public:
-  StringRef key_ref_{};
-  void set_key(const StringRef &ref) { this->key_ref_ = ref; }
+  StringRef key{};
   std::string value{};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
@@ -1137,8 +1069,7 @@ class HomeassistantActionRequest final : public ProtoMessage {
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "homeassistant_action_request"; }
 #endif
-  StringRef service_ref_{};
-  void set_service(const StringRef &ref) { this->service_ref_ = ref; }
+  StringRef service{};
   FixedVector<HomeassistantServiceMap> data{};
   FixedVector<HomeassistantServiceMap> data_template{};
   FixedVector<HomeassistantServiceMap> variables{};
@@ -1171,7 +1102,7 @@ class HomeassistantActionResponse final : public ProtoDecodableMessage {
 #endif
   uint32_t call_id{0};
   bool success{false};
-  std::string error_message{};
+  StringRef error_message{};
 #ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
   const uint8_t *response_data{nullptr};
   uint16_t response_data_len{0};
@@ -1206,10 +1137,8 @@ class SubscribeHomeAssistantStateResponse final : public ProtoMessage {
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "subscribe_home_assistant_state_response"; }
 #endif
-  StringRef entity_id_ref_{};
-  void set_entity_id(const StringRef &ref) { this->entity_id_ref_ = ref; }
-  StringRef attribute_ref_{};
-  void set_attribute(const StringRef &ref) { this->attribute_ref_ = ref; }
+  StringRef entity_id{};
+  StringRef attribute{};
   bool once{false};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
@@ -1222,16 +1151,13 @@ class SubscribeHomeAssistantStateResponse final : public ProtoMessage {
 class HomeAssistantStateResponse final : public ProtoDecodableMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 40;
-  static constexpr uint8_t ESTIMATED_SIZE = 57;
+  static constexpr uint8_t ESTIMATED_SIZE = 27;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "home_assistant_state_response"; }
 #endif
-  const uint8_t *entity_id{nullptr};
-  uint16_t entity_id_len{0};
-  const uint8_t *state{nullptr};
-  uint16_t state_len{0};
-  const uint8_t *attribute{nullptr};
-  uint16_t attribute_len{0};
+  StringRef entity_id{};
+  StringRef state{};
+  StringRef attribute{};
 #ifdef HAS_PROTO_MESSAGE_DUMP
   void dump_to(std::string &out) const override;
 #endif
@@ -1256,13 +1182,12 @@ class GetTimeRequest final : public ProtoMessage {
 class GetTimeResponse final : public ProtoDecodableMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 37;
-  static constexpr uint8_t ESTIMATED_SIZE = 24;
+  static constexpr uint8_t ESTIMATED_SIZE = 14;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "get_time_response"; }
 #endif
   uint32_t epoch_seconds{0};
-  const uint8_t *timezone{nullptr};
-  uint16_t timezone_len{0};
+  StringRef timezone{};
 #ifdef HAS_PROTO_MESSAGE_DUMP
   void dump_to(std::string &out) const override;
 #endif
@@ -1274,8 +1199,7 @@ class GetTimeResponse final : public ProtoDecodableMessage {
 #ifdef USE_API_USER_DEFINED_ACTIONS
 class ListEntitiesServicesArgument final : public ProtoMessage {
  public:
-  StringRef name_ref_{};
-  void set_name(const StringRef &ref) { this->name_ref_ = ref; }
+  StringRef name{};
   enums::ServiceArgType type{};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
@@ -1292,8 +1216,7 @@ class ListEntitiesServicesResponse final : public ProtoMessage {
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "list_entities_services_response"; }
 #endif
-  StringRef name_ref_{};
-  void set_name(const StringRef &ref) { this->name_ref_ = ref; }
+  StringRef name{};
   uint32_t key{0};
   FixedVector<ListEntitiesServicesArgument> args{};
   enums::SupportsResponseType supports_response{};
@@ -1310,7 +1233,7 @@ class ExecuteServiceArgument final : public ProtoDecodableMessage {
   bool bool_{false};
   int32_t legacy_int{0};
   float float_{0.0f};
-  std::string string_{};
+  StringRef string_{};
   int32_t int_{0};
   FixedVector<bool> bool_array{};
   FixedVector<int32_t> int_array{};
@@ -1362,8 +1285,7 @@ class ExecuteServiceResponse final : public ProtoMessage {
 #endif
   uint32_t call_id{0};
   bool success{false};
-  StringRef error_message_ref_{};
-  void set_error_message(const StringRef &ref) { this->error_message_ref_ = ref; }
+  StringRef error_message{};
 #ifdef USE_API_USER_DEFINED_ACTION_RESPONSES_JSON
   const uint8_t *response_data{nullptr};
   uint16_t response_data_len{0};
@@ -1396,7 +1318,7 @@ class ListEntitiesCameraResponse final : public InfoResponseProtoMessage {
 class CameraImageResponse final : public StateResponseProtoMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 44;
-  static constexpr uint8_t ESTIMATED_SIZE = 20;
+  static constexpr uint8_t ESTIMATED_SIZE = 30;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "camera_image_response"; }
 #endif
@@ -1481,11 +1403,9 @@ class ClimateStateResponse final : public StateResponseProtoMessage {
   enums::ClimateAction action{};
   enums::ClimateFanMode fan_mode{};
   enums::ClimateSwingMode swing_mode{};
-  StringRef custom_fan_mode_ref_{};
-  void set_custom_fan_mode(const StringRef &ref) { this->custom_fan_mode_ref_ = ref; }
+  StringRef custom_fan_mode{};
   enums::ClimatePreset preset{};
-  StringRef custom_preset_ref_{};
-  void set_custom_preset(const StringRef &ref) { this->custom_preset_ref_ = ref; }
+  StringRef custom_preset{};
   float current_humidity{0.0f};
   float target_humidity{0.0f};
   void encode(ProtoWriteBuffer buffer) const override;
@@ -1499,7 +1419,7 @@ class ClimateStateResponse final : public StateResponseProtoMessage {
 class ClimateCommandRequest final : public CommandProtoMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 48;
-  static constexpr uint8_t ESTIMATED_SIZE = 104;
+  static constexpr uint8_t ESTIMATED_SIZE = 84;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "climate_command_request"; }
 #endif
@@ -1516,13 +1436,11 @@ class ClimateCommandRequest final : public CommandProtoMessage {
   bool has_swing_mode{false};
   enums::ClimateSwingMode swing_mode{};
   bool has_custom_fan_mode{false};
-  const uint8_t *custom_fan_mode{nullptr};
-  uint16_t custom_fan_mode_len{0};
+  StringRef custom_fan_mode{};
   bool has_preset{false};
   enums::ClimatePreset preset{};
   bool has_custom_preset{false};
-  const uint8_t *custom_preset{nullptr};
-  uint16_t custom_preset_len{0};
+  StringRef custom_preset{};
   bool has_target_humidity{false};
   float target_humidity{0.0f};
 #ifdef HAS_PROTO_MESSAGE_DUMP
@@ -1610,11 +1528,9 @@ class ListEntitiesNumberResponse final : public InfoResponseProtoMessage {
   float min_value{0.0f};
   float max_value{0.0f};
   float step{0.0f};
-  StringRef unit_of_measurement_ref_{};
-  void set_unit_of_measurement(const StringRef &ref) { this->unit_of_measurement_ref_ = ref; }
+  StringRef unit_of_measurement{};
   enums::NumberMode mode{};
-  StringRef device_class_ref_{};
-  void set_device_class(const StringRef &ref) { this->device_class_ref_ = ref; }
+  StringRef device_class{};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
 #ifdef HAS_PROTO_MESSAGE_DUMP
@@ -1681,8 +1597,7 @@ class SelectStateResponse final : public StateResponseProtoMessage {
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "select_state_response"; }
 #endif
-  StringRef state_ref_{};
-  void set_state(const StringRef &ref) { this->state_ref_ = ref; }
+  StringRef state{};
   bool missing_state{false};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
@@ -1695,12 +1610,11 @@ class SelectStateResponse final : public StateResponseProtoMessage {
 class SelectCommandRequest final : public CommandProtoMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 54;
-  static constexpr uint8_t ESTIMATED_SIZE = 28;
+  static constexpr uint8_t ESTIMATED_SIZE = 18;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "select_command_request"; }
 #endif
-  const uint8_t *state{nullptr};
-  uint16_t state_len{0};
+  StringRef state{};
 #ifdef HAS_PROTO_MESSAGE_DUMP
   void dump_to(std::string &out) const override;
 #endif
@@ -1719,7 +1633,7 @@ class ListEntitiesSirenResponse final : public InfoResponseProtoMessage {
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "list_entities_siren_response"; }
 #endif
-  std::vector<std::string> tones{};
+  const FixedVector<const char *> *tones{};
   bool supports_duration{false};
   bool supports_volume{false};
   void encode(ProtoWriteBuffer buffer) const override;
@@ -1756,7 +1670,7 @@ class SirenCommandRequest final : public CommandProtoMessage {
   bool has_state{false};
   bool state{false};
   bool has_tone{false};
-  std::string tone{};
+  StringRef tone{};
   bool has_duration{false};
   uint32_t duration{0};
   bool has_volume{false};
@@ -1782,8 +1696,7 @@ class ListEntitiesLockResponse final : public InfoResponseProtoMessage {
   bool assumed_state{false};
   bool supports_open{false};
   bool requires_code{false};
-  StringRef code_format_ref_{};
-  void set_code_format(const StringRef &ref) { this->code_format_ref_ = ref; }
+  StringRef code_format{};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
 #ifdef HAS_PROTO_MESSAGE_DUMP
@@ -1817,7 +1730,7 @@ class LockCommandRequest final : public CommandProtoMessage {
 #endif
   enums::LockCommand command{};
   bool has_code{false};
-  std::string code{};
+  StringRef code{};
 #ifdef HAS_PROTO_MESSAGE_DUMP
   void dump_to(std::string &out) const override;
 #endif
@@ -1836,8 +1749,7 @@ class ListEntitiesButtonResponse final : public InfoResponseProtoMessage {
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "list_entities_button_response"; }
 #endif
-  StringRef device_class_ref_{};
-  void set_device_class(const StringRef &ref) { this->device_class_ref_ = ref; }
+  StringRef device_class{};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
 #ifdef HAS_PROTO_MESSAGE_DUMP
@@ -1865,8 +1777,7 @@ class ButtonCommandRequest final : public CommandProtoMessage {
 #ifdef USE_MEDIA_PLAYER
 class MediaPlayerSupportedFormat final : public ProtoMessage {
  public:
-  StringRef format_ref_{};
-  void set_format(const StringRef &ref) { this->format_ref_ = ref; }
+  StringRef format{};
   uint32_t sample_rate{0};
   uint32_t num_channels{0};
   enums::MediaPlayerFormatPurpose purpose{};
@@ -1927,7 +1838,7 @@ class MediaPlayerCommandRequest final : public CommandProtoMessage {
   bool has_volume{false};
   float volume{0.0f};
   bool has_media_url{false};
-  std::string media_url{};
+  StringRef media_url{};
   bool has_announcement{false};
   bool announcement{false};
 #ifdef HAS_PROTO_MESSAGE_DUMP
@@ -2134,7 +2045,7 @@ class BluetoothGATTReadRequest final : public ProtoDecodableMessage {
 class BluetoothGATTReadResponse final : public ProtoMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 74;
-  static constexpr uint8_t ESTIMATED_SIZE = 17;
+  static constexpr uint8_t ESTIMATED_SIZE = 27;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "bluetooth_gatt_read_response"; }
 #endif
@@ -2229,7 +2140,7 @@ class BluetoothGATTNotifyRequest final : public ProtoDecodableMessage {
 class BluetoothGATTNotifyDataResponse final : public ProtoMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 79;
-  static constexpr uint8_t ESTIMATED_SIZE = 17;
+  static constexpr uint8_t ESTIMATED_SIZE = 27;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "bluetooth_gatt_notify_data_response"; }
 #endif
@@ -2471,12 +2382,10 @@ class VoiceAssistantRequest final : public ProtoMessage {
   const char *message_name() const override { return "voice_assistant_request"; }
 #endif
   bool start{false};
-  StringRef conversation_id_ref_{};
-  void set_conversation_id(const StringRef &ref) { this->conversation_id_ref_ = ref; }
+  StringRef conversation_id{};
   uint32_t flags{0};
   VoiceAssistantAudioSettings audio_settings{};
-  StringRef wake_word_phrase_ref_{};
-  void set_wake_word_phrase(const StringRef &ref) { this->wake_word_phrase_ref_ = ref; }
+  StringRef wake_word_phrase{};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
 #ifdef HAS_PROTO_MESSAGE_DUMP
@@ -2503,8 +2412,8 @@ class VoiceAssistantResponse final : public ProtoDecodableMessage {
 };
 class VoiceAssistantEventData final : public ProtoDecodableMessage {
  public:
-  std::string name{};
-  std::string value{};
+  StringRef name{};
+  StringRef value{};
 #ifdef HAS_PROTO_MESSAGE_DUMP
   void dump_to(std::string &out) const override;
 #endif
@@ -2532,17 +2441,12 @@ class VoiceAssistantEventResponse final : public ProtoDecodableMessage {
 class VoiceAssistantAudio final : public ProtoDecodableMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 106;
-  static constexpr uint8_t ESTIMATED_SIZE = 11;
+  static constexpr uint8_t ESTIMATED_SIZE = 21;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "voice_assistant_audio"; }
 #endif
-  std::string data{};
-  const uint8_t *data_ptr_{nullptr};
-  size_t data_len_{0};
-  void set_data(const uint8_t *data, size_t len) {
-    this->data_ptr_ = data;
-    this->data_len_ = len;
-  }
+  const uint8_t *data{nullptr};
+  uint16_t data_len{0};
   bool end{false};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
@@ -2562,8 +2466,8 @@ class VoiceAssistantTimerEventResponse final : public ProtoDecodableMessage {
   const char *message_name() const override { return "voice_assistant_timer_event_response"; }
 #endif
   enums::VoiceAssistantTimerEvent event_type{};
-  std::string timer_id{};
-  std::string name{};
+  StringRef timer_id{};
+  StringRef name{};
   uint32_t total_seconds{0};
   uint32_t seconds_left{0};
   bool is_active{false};
@@ -2582,9 +2486,9 @@ class VoiceAssistantAnnounceRequest final : public ProtoDecodableMessage {
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "voice_assistant_announce_request"; }
 #endif
-  std::string media_id{};
-  std::string text{};
-  std::string preannounce_media_id{};
+  StringRef media_id{};
+  StringRef text{};
+  StringRef preannounce_media_id{};
   bool start_conversation{false};
 #ifdef HAS_PROTO_MESSAGE_DUMP
   void dump_to(std::string &out) const override;
@@ -2612,10 +2516,8 @@ class VoiceAssistantAnnounceFinished final : public ProtoMessage {
 };
 class VoiceAssistantWakeWord final : public ProtoMessage {
  public:
-  StringRef id_ref_{};
-  void set_id(const StringRef &ref) { this->id_ref_ = ref; }
-  StringRef wake_word_ref_{};
-  void set_wake_word(const StringRef &ref) { this->wake_word_ref_ = ref; }
+  StringRef id{};
+  StringRef wake_word{};
   std::vector<std::string> trained_languages{};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
@@ -2627,13 +2529,13 @@ class VoiceAssistantWakeWord final : public ProtoMessage {
 };
 class VoiceAssistantExternalWakeWord final : public ProtoDecodableMessage {
  public:
-  std::string id{};
-  std::string wake_word{};
+  StringRef id{};
+  StringRef wake_word{};
   std::vector<std::string> trained_languages{};
-  std::string model_type{};
+  StringRef model_type{};
   uint32_t model_size{0};
-  std::string model_hash{};
-  std::string url{};
+  StringRef model_hash{};
+  StringRef url{};
 #ifdef HAS_PROTO_MESSAGE_DUMP
   void dump_to(std::string &out) const override;
 #endif
@@ -2734,7 +2636,7 @@ class AlarmControlPanelCommandRequest final : public CommandProtoMessage {
   const char *message_name() const override { return "alarm_control_panel_command_request"; }
 #endif
   enums::AlarmControlPanelStateCommand command{};
-  std::string code{};
+  StringRef code{};
 #ifdef HAS_PROTO_MESSAGE_DUMP
   void dump_to(std::string &out) const override;
 #endif
@@ -2755,8 +2657,7 @@ class ListEntitiesTextResponse final : public InfoResponseProtoMessage {
 #endif
   uint32_t min_length{0};
   uint32_t max_length{0};
-  StringRef pattern_ref_{};
-  void set_pattern(const StringRef &ref) { this->pattern_ref_ = ref; }
+  StringRef pattern{};
   enums::TextMode mode{};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
@@ -2773,8 +2674,7 @@ class TextStateResponse final : public StateResponseProtoMessage {
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "text_state_response"; }
 #endif
-  StringRef state_ref_{};
-  void set_state(const StringRef &ref) { this->state_ref_ = ref; }
+  StringRef state{};
   bool missing_state{false};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
@@ -2791,7 +2691,7 @@ class TextCommandRequest final : public CommandProtoMessage {
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "text_command_request"; }
 #endif
-  std::string state{};
+  StringRef state{};
 #ifdef HAS_PROTO_MESSAGE_DUMP
   void dump_to(std::string &out) const override;
 #endif
@@ -2918,8 +2818,7 @@ class ListEntitiesEventResponse final : public InfoResponseProtoMessage {
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "list_entities_event_response"; }
 #endif
-  StringRef device_class_ref_{};
-  void set_device_class(const StringRef &ref) { this->device_class_ref_ = ref; }
+  StringRef device_class{};
   const FixedVector<const char *> *event_types{};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
@@ -2936,8 +2835,7 @@ class EventResponse final : public StateResponseProtoMessage {
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "event_response"; }
 #endif
-  StringRef event_type_ref_{};
-  void set_event_type(const StringRef &ref) { this->event_type_ref_ = ref; }
+  StringRef event_type{};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
 #ifdef HAS_PROTO_MESSAGE_DUMP
@@ -2955,8 +2853,7 @@ class ListEntitiesValveResponse final : public InfoResponseProtoMessage {
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "list_entities_valve_response"; }
 #endif
-  StringRef device_class_ref_{};
-  void set_device_class(const StringRef &ref) { this->device_class_ref_ = ref; }
+  StringRef device_class{};
   bool assumed_state{false};
   bool supports_position{false};
   bool supports_stop{false};
@@ -3062,8 +2959,7 @@ class ListEntitiesUpdateResponse final : public InfoResponseProtoMessage {
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "list_entities_update_response"; }
 #endif
-  StringRef device_class_ref_{};
-  void set_device_class(const StringRef &ref) { this->device_class_ref_ = ref; }
+  StringRef device_class{};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
 #ifdef HAS_PROTO_MESSAGE_DUMP
@@ -3083,16 +2979,11 @@ class UpdateStateResponse final : public StateResponseProtoMessage {
   bool in_progress{false};
   bool has_progress{false};
   float progress{0.0f};
-  StringRef current_version_ref_{};
-  void set_current_version(const StringRef &ref) { this->current_version_ref_ = ref; }
-  StringRef latest_version_ref_{};
-  void set_latest_version(const StringRef &ref) { this->latest_version_ref_ = ref; }
-  StringRef title_ref_{};
-  void set_title(const StringRef &ref) { this->title_ref_ = ref; }
-  StringRef release_summary_ref_{};
-  void set_release_summary(const StringRef &ref) { this->release_summary_ref_ = ref; }
-  StringRef release_url_ref_{};
-  void set_release_url(const StringRef &ref) { this->release_url_ref_ = ref; }
+  StringRef current_version{};
+  StringRef latest_version{};
+  StringRef title{};
+  StringRef release_summary{};
+  StringRef release_url{};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
 #ifdef HAS_PROTO_MESSAGE_DUMP

esphome/components/api/api_pb2_dump.cpp

@@ -735,9 +735,7 @@ template<> const char *proto_enum_to_string<enums::ZWaveProxyRequestType>(enums:
 
 void HelloRequest::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "HelloRequest");
-  out.append("  client_info: ");
-  out.append(format_hex_pretty(this->client_info, this->client_info_len));
-  out.append("\n");
+  dump_field(out, "client_info", this->client_info);
   dump_field(out, "api_version_major", this->api_version_major);
   dump_field(out, "api_version_minor", this->api_version_minor);
 }
@@ -745,21 +743,9 @@ void HelloResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "HelloResponse");
   dump_field(out, "api_version_major", this->api_version_major);
   dump_field(out, "api_version_minor", this->api_version_minor);
-  dump_field(out, "server_info", this->server_info_ref_);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "server_info", this->server_info);
+  dump_field(out, "name", this->name);
 }
-#ifdef USE_API_PASSWORD
-void AuthenticationRequest::dump_to(std::string &out) const {
-  MessageDumpHelper helper(out, "AuthenticationRequest");
-  out.append("  password: ");
-  out.append(format_hex_pretty(this->password, this->password_len));
-  out.append("\n");
-}
-void AuthenticationResponse::dump_to(std::string &out) const {
-  MessageDumpHelper helper(out, "AuthenticationResponse");
-  dump_field(out, "invalid_password", this->invalid_password);
-}
-#endif
 void DisconnectRequest::dump_to(std::string &out) const { out.append("DisconnectRequest {}"); }
 void DisconnectResponse::dump_to(std::string &out) const { out.append("DisconnectResponse {}"); }
 void PingRequest::dump_to(std::string &out) const { out.append("PingRequest {}"); }
@@ -769,35 +755,32 @@ void DeviceInfoRequest::dump_to(std::string &out) const { out.append("DeviceInfo
 void AreaInfo::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "AreaInfo");
   dump_field(out, "area_id", this->area_id);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
 }
 #endif
 #ifdef USE_DEVICES
 void DeviceInfo::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "DeviceInfo");
   dump_field(out, "device_id", this->device_id);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
   dump_field(out, "area_id", this->area_id);
 }
 #endif
 void DeviceInfoResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "DeviceInfoResponse");
-#ifdef USE_API_PASSWORD
-  dump_field(out, "uses_password", this->uses_password);
-#endif
-  dump_field(out, "name", this->name_ref_);
-  dump_field(out, "mac_address", this->mac_address_ref_);
-  dump_field(out, "esphome_version", this->esphome_version_ref_);
-  dump_field(out, "compilation_time", this->compilation_time_ref_);
-  dump_field(out, "model", this->model_ref_);
+  dump_field(out, "name", this->name);
+  dump_field(out, "mac_address", this->mac_address);
+  dump_field(out, "esphome_version", this->esphome_version);
+  dump_field(out, "compilation_time", this->compilation_time);
+  dump_field(out, "model", this->model);
 #ifdef USE_DEEP_SLEEP
   dump_field(out, "has_deep_sleep", this->has_deep_sleep);
 #endif
 #ifdef ESPHOME_PROJECT_NAME
-  dump_field(out, "project_name", this->project_name_ref_);
+  dump_field(out, "project_name", this->project_name);
 #endif
 #ifdef ESPHOME_PROJECT_NAME
-  dump_field(out, "project_version", this->project_version_ref_);
+  dump_field(out, "project_version", this->project_version);
 #endif
 #ifdef USE_WEBSERVER
   dump_field(out, "webserver_port", this->webserver_port);
@@ -805,16 +788,16 @@ void DeviceInfoResponse::dump_to(std::string &out) const {
 #ifdef USE_BLUETOOTH_PROXY
   dump_field(out, "bluetooth_proxy_feature_flags", this->bluetooth_proxy_feature_flags);
 #endif
-  dump_field(out, "manufacturer", this->manufacturer_ref_);
-  dump_field(out, "friendly_name", this->friendly_name_ref_);
+  dump_field(out, "manufacturer", this->manufacturer);
+  dump_field(out, "friendly_name", this->friendly_name);
 #ifdef USE_VOICE_ASSISTANT
   dump_field(out, "voice_assistant_feature_flags", this->voice_assistant_feature_flags);
 #endif
 #ifdef USE_AREAS
-  dump_field(out, "suggested_area", this->suggested_area_ref_);
+  dump_field(out, "suggested_area", this->suggested_area);
 #endif
 #ifdef USE_BLUETOOTH_PROXY
-  dump_field(out, "bluetooth_mac_address", this->bluetooth_mac_address_ref_);
+  dump_field(out, "bluetooth_mac_address", this->bluetooth_mac_address);
 #endif
 #ifdef USE_API_NOISE
   dump_field(out, "api_encryption_supported", this->api_encryption_supported);
@@ -851,14 +834,14 @@ void SubscribeStatesRequest::dump_to(std::string &out) const { out.append("Subsc
 #ifdef USE_BINARY_SENSOR
 void ListEntitiesBinarySensorResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesBinarySensorResponse");
-  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "object_id", this->object_id);
   dump_field(out, "key", this->key);
-  dump_field(out, "name", this->name_ref_);
-  dump_field(out, "device_class", this->device_class_ref_);
+  dump_field(out, "name", this->name);
+  dump_field(out, "device_class", this->device_class);
   dump_field(out, "is_status_binary_sensor", this->is_status_binary_sensor);
   dump_field(out, "disabled_by_default", this->disabled_by_default);
 #ifdef USE_ENTITY_ICON
-  dump_field(out, "icon", this->icon_ref_);
+  dump_field(out, "icon", this->icon);
 #endif
   dump_field(out, "entity_category", static_cast<enums::EntityCategory>(this->entity_category));
 #ifdef USE_DEVICES
@@ -878,16 +861,16 @@ void BinarySensorStateResponse::dump_to(std::string &out) const {
 #ifdef USE_COVER
 void ListEntitiesCoverResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesCoverResponse");
-  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "object_id", this->object_id);
   dump_field(out, "key", this->key);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
   dump_field(out, "assumed_state", this->assumed_state);
   dump_field(out, "supports_position", this->supports_position);
   dump_field(out, "supports_tilt", this->supports_tilt);
-  dump_field(out, "device_class", this->device_class_ref_);
+  dump_field(out, "device_class", this->device_class);
   dump_field(out, "disabled_by_default", this->disabled_by_default);
 #ifdef USE_ENTITY_ICON
-  dump_field(out, "icon", this->icon_ref_);
+  dump_field(out, "icon", this->icon);
 #endif
   dump_field(out, "entity_category", static_cast<enums::EntityCategory>(this->entity_category));
   dump_field(out, "supports_stop", this->supports_stop);
@@ -921,16 +904,16 @@ void CoverCommandRequest::dump_to(std::string &out) const {
 #ifdef USE_FAN
 void ListEntitiesFanResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesFanResponse");
-  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "object_id", this->object_id);
   dump_field(out, "key", this->key);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
   dump_field(out, "supports_oscillation", this->supports_oscillation);
   dump_field(out, "supports_speed", this->supports_speed);
   dump_field(out, "supports_direction", this->supports_direction);
   dump_field(out, "supported_speed_count", this->supported_speed_count);
   dump_field(out, "disabled_by_default", this->disabled_by_default);
 #ifdef USE_ENTITY_ICON
-  dump_field(out, "icon", this->icon_ref_);
+  dump_field(out, "icon", this->icon);
 #endif
   dump_field(out, "entity_category", static_cast<enums::EntityCategory>(this->entity_category));
   for (const auto &it : *this->supported_preset_modes) {
@@ -947,7 +930,7 @@ void FanStateResponse::dump_to(std::string &out) const {
   dump_field(out, "oscillating", this->oscillating);
   dump_field(out, "direction", static_cast<enums::FanDirection>(this->direction));
   dump_field(out, "speed_level", this->speed_level);
-  dump_field(out, "preset_mode", this->preset_mode_ref_);
+  dump_field(out, "preset_mode", this->preset_mode);
 #ifdef USE_DEVICES
   dump_field(out, "device_id", this->device_id);
 #endif
@@ -964,9 +947,7 @@ void FanCommandRequest::dump_to(std::string &out) const {
   dump_field(out, "has_speed_level", this->has_speed_level);
   dump_field(out, "speed_level", this->speed_level);
   dump_field(out, "has_preset_mode", this->has_preset_mode);
-  out.append("  preset_mode: ");
-  out.append(format_hex_pretty(this->preset_mode, this->preset_mode_len));
-  out.append("\n");
+  dump_field(out, "preset_mode", this->preset_mode);
 #ifdef USE_DEVICES
   dump_field(out, "device_id", this->device_id);
 #endif
@@ -975,9 +956,9 @@ void FanCommandRequest::dump_to(std::string &out) const {
 #ifdef USE_LIGHT
 void ListEntitiesLightResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesLightResponse");
-  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "object_id", this->object_id);
   dump_field(out, "key", this->key);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
   for (const auto &it : *this->supported_color_modes) {
     dump_field(out, "supported_color_modes", static_cast<enums::ColorMode>(it), 4);
   }
@@ -988,7 +969,7 @@ void ListEntitiesLightResponse::dump_to(std::string &out) const {
   }
   dump_field(out, "disabled_by_default", this->disabled_by_default);
 #ifdef USE_ENTITY_ICON
-  dump_field(out, "icon", this->icon_ref_);
+  dump_field(out, "icon", this->icon);
 #endif
   dump_field(out, "entity_category", static_cast<enums::EntityCategory>(this->entity_category));
 #ifdef USE_DEVICES
@@ -1009,7 +990,7 @@ void LightStateResponse::dump_to(std::string &out) const {
   dump_field(out, "color_temperature", this->color_temperature);
   dump_field(out, "cold_white", this->cold_white);
   dump_field(out, "warm_white", this->warm_white);
-  dump_field(out, "effect", this->effect_ref_);
+  dump_field(out, "effect", this->effect);
 #ifdef USE_DEVICES
   dump_field(out, "device_id", this->device_id);
 #endif
@@ -1042,9 +1023,7 @@ void LightCommandRequest::dump_to(std::string &out) const {
   dump_field(out, "has_flash_length", this->has_flash_length);
   dump_field(out, "flash_length", this->flash_length);
   dump_field(out, "has_effect", this->has_effect);
-  out.append("  effect: ");
-  out.append(format_hex_pretty(this->effect, this->effect_len));
-  out.append("\n");
+  dump_field(out, "effect", this->effect);
 #ifdef USE_DEVICES
   dump_field(out, "device_id", this->device_id);
 #endif
@@ -1053,16 +1032,16 @@ void LightCommandRequest::dump_to(std::string &out) const {
 #ifdef USE_SENSOR
 void ListEntitiesSensorResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesSensorResponse");
-  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "object_id", this->object_id);
   dump_field(out, "key", this->key);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
 #ifdef USE_ENTITY_ICON
-  dump_field(out, "icon", this->icon_ref_);
+  dump_field(out, "icon", this->icon);
 #endif
-  dump_field(out, "unit_of_measurement", this->unit_of_measurement_ref_);
+  dump_field(out, "unit_of_measurement", this->unit_of_measurement);
   dump_field(out, "accuracy_decimals", this->accuracy_decimals);
   dump_field(out, "force_update", this->force_update);
-  dump_field(out, "device_class", this->device_class_ref_);
+  dump_field(out, "device_class", this->device_class);
   dump_field(out, "state_class", static_cast<enums::SensorStateClass>(this->state_class));
   dump_field(out, "disabled_by_default", this->disabled_by_default);
   dump_field(out, "entity_category", static_cast<enums::EntityCategory>(this->entity_category));
@@ -1083,16 +1062,16 @@ void SensorStateResponse::dump_to(std::string &out) const {
 #ifdef USE_SWITCH
 void ListEntitiesSwitchResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesSwitchResponse");
-  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "object_id", this->object_id);
   dump_field(out, "key", this->key);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
 #ifdef USE_ENTITY_ICON
-  dump_field(out, "icon", this->icon_ref_);
+  dump_field(out, "icon", this->icon);
 #endif
   dump_field(out, "assumed_state", this->assumed_state);
   dump_field(out, "disabled_by_default", this->disabled_by_default);
   dump_field(out, "entity_category", static_cast<enums::EntityCategory>(this->entity_category));
-  dump_field(out, "device_class", this->device_class_ref_);
+  dump_field(out, "device_class", this->device_class);
 #ifdef USE_DEVICES
   dump_field(out, "device_id", this->device_id);
 #endif
@@ -1117,15 +1096,15 @@ void SwitchCommandRequest::dump_to(std::string &out) const {
 #ifdef USE_TEXT_SENSOR
 void ListEntitiesTextSensorResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesTextSensorResponse");
-  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "object_id", this->object_id);
   dump_field(out, "key", this->key);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
 #ifdef USE_ENTITY_ICON
-  dump_field(out, "icon", this->icon_ref_);
+  dump_field(out, "icon", this->icon);
 #endif
   dump_field(out, "disabled_by_default", this->disabled_by_default);
   dump_field(out, "entity_category", static_cast<enums::EntityCategory>(this->entity_category));
-  dump_field(out, "device_class", this->device_class_ref_);
+  dump_field(out, "device_class", this->device_class);
 #ifdef USE_DEVICES
   dump_field(out, "device_id", this->device_id);
 #endif
@@ -1133,7 +1112,7 @@ void ListEntitiesTextSensorResponse::dump_to(std::string &out) const {
 void TextSensorStateResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "TextSensorStateResponse");
   dump_field(out, "key", this->key);
-  dump_field(out, "state", this->state_ref_);
+  dump_field(out, "state", this->state);
   dump_field(out, "missing_state", this->missing_state);
 #ifdef USE_DEVICES
   dump_field(out, "device_id", this->device_id);
@@ -1159,7 +1138,10 @@ void NoiseEncryptionSetKeyRequest::dump_to(std::string &out) const {
   out.append(format_hex_pretty(this->key, this->key_len));
   out.append("\n");
 }
-void NoiseEncryptionSetKeyResponse::dump_to(std::string &out) const { dump_field(out, "success", this->success); }
+void NoiseEncryptionSetKeyResponse::dump_to(std::string &out) const {
+  MessageDumpHelper helper(out, "NoiseEncryptionSetKeyResponse");
+  dump_field(out, "success", this->success);
+}
 #endif
 #ifdef USE_API_HOMEASSISTANT_SERVICES
 void SubscribeHomeassistantServicesRequest::dump_to(std::string &out) const {
@@ -1167,12 +1149,12 @@ void SubscribeHomeassistantServicesRequest::dump_to(std::string &out) const {
 }
 void HomeassistantServiceMap::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "HomeassistantServiceMap");
-  dump_field(out, "key", this->key_ref_);
+  dump_field(out, "key", this->key);
   dump_field(out, "value", this->value);
 }
 void HomeassistantActionRequest::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "HomeassistantActionRequest");
-  dump_field(out, "service", this->service_ref_);
+  dump_field(out, "service", this->service);
   for (const auto &it : this->data) {
     out.append("  data: ");
     it.dump_to(out);
@@ -1219,40 +1201,32 @@ void SubscribeHomeAssistantStatesRequest::dump_to(std::string &out) const {
 }
 void SubscribeHomeAssistantStateResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "SubscribeHomeAssistantStateResponse");
-  dump_field(out, "entity_id", this->entity_id_ref_);
-  dump_field(out, "attribute", this->attribute_ref_);
+  dump_field(out, "entity_id", this->entity_id);
+  dump_field(out, "attribute", this->attribute);
   dump_field(out, "once", this->once);
 }
 void HomeAssistantStateResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "HomeAssistantStateResponse");
-  out.append("  entity_id: ");
-  out.append(format_hex_pretty(this->entity_id, this->entity_id_len));
-  out.append("\n");
-  out.append("  state: ");
-  out.append(format_hex_pretty(this->state, this->state_len));
-  out.append("\n");
-  out.append("  attribute: ");
-  out.append(format_hex_pretty(this->attribute, this->attribute_len));
-  out.append("\n");
+  dump_field(out, "entity_id", this->entity_id);
+  dump_field(out, "state", this->state);
+  dump_field(out, "attribute", this->attribute);
 }
 #endif
 void GetTimeRequest::dump_to(std::string &out) const { out.append("GetTimeRequest {}"); }
 void GetTimeResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "GetTimeResponse");
   dump_field(out, "epoch_seconds", this->epoch_seconds);
-  out.append("  timezone: ");
-  out.append(format_hex_pretty(this->timezone, this->timezone_len));
-  out.append("\n");
+  dump_field(out, "timezone", this->timezone);
 }
 #ifdef USE_API_USER_DEFINED_ACTIONS
 void ListEntitiesServicesArgument::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesServicesArgument");
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
   dump_field(out, "type", static_cast<enums::ServiceArgType>(this->type));
 }
 void ListEntitiesServicesResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesServicesResponse");
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
   dump_field(out, "key", this->key);
   for (const auto &it : this->args) {
     out.append("  args: ");
@@ -1302,7 +1276,7 @@ void ExecuteServiceResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ExecuteServiceResponse");
   dump_field(out, "call_id", this->call_id);
   dump_field(out, "success", this->success);
-  dump_field(out, "error_message", this->error_message_ref_);
+  dump_field(out, "error_message", this->error_message);
 #ifdef USE_API_USER_DEFINED_ACTION_RESPONSES_JSON
   out.append("  response_data: ");
   out.append(format_hex_pretty(this->response_data, this->response_data_len));
@@ -1313,12 +1287,12 @@ void ExecuteServiceResponse::dump_to(std::string &out) const {
 #ifdef USE_CAMERA
 void ListEntitiesCameraResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesCameraResponse");
-  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "object_id", this->object_id);
   dump_field(out, "key", this->key);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
   dump_field(out, "disabled_by_default", this->disabled_by_default);
 #ifdef USE_ENTITY_ICON
-  dump_field(out, "icon", this->icon_ref_);
+  dump_field(out, "icon", this->icon);
 #endif
   dump_field(out, "entity_category", static_cast<enums::EntityCategory>(this->entity_category));
 #ifdef USE_DEVICES
@@ -1345,9 +1319,9 @@ void CameraImageRequest::dump_to(std::string &out) const {
 #ifdef USE_CLIMATE
 void ListEntitiesClimateResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesClimateResponse");
-  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "object_id", this->object_id);
   dump_field(out, "key", this->key);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
   dump_field(out, "supports_current_temperature", this->supports_current_temperature);
   dump_field(out, "supports_two_point_target_temperature", this->supports_two_point_target_temperature);
   for (const auto &it : *this->supported_modes) {
@@ -1374,7 +1348,7 @@ void ListEntitiesClimateResponse::dump_to(std::string &out) const {
   }
   dump_field(out, "disabled_by_default", this->disabled_by_default);
 #ifdef USE_ENTITY_ICON
-  dump_field(out, "icon", this->icon_ref_);
+  dump_field(out, "icon", this->icon);
 #endif
   dump_field(out, "entity_category", static_cast<enums::EntityCategory>(this->entity_category));
   dump_field(out, "visual_current_temperature_step", this->visual_current_temperature_step);
@@ -1398,9 +1372,9 @@ void ClimateStateResponse::dump_to(std::string &out) const {
   dump_field(out, "action", static_cast<enums::ClimateAction>(this->action));
   dump_field(out, "fan_mode", static_cast<enums::ClimateFanMode>(this->fan_mode));
   dump_field(out, "swing_mode", static_cast<enums::ClimateSwingMode>(this->swing_mode));
-  dump_field(out, "custom_fan_mode", this->custom_fan_mode_ref_);
+  dump_field(out, "custom_fan_mode", this->custom_fan_mode);
   dump_field(out, "preset", static_cast<enums::ClimatePreset>(this->preset));
-  dump_field(out, "custom_preset", this->custom_preset_ref_);
+  dump_field(out, "custom_preset", this->custom_preset);
   dump_field(out, "current_humidity", this->current_humidity);
   dump_field(out, "target_humidity", this->target_humidity);
 #ifdef USE_DEVICES
@@ -1423,15 +1397,11 @@ void ClimateCommandRequest::dump_to(std::string &out) const {
   dump_field(out, "has_swing_mode", this->has_swing_mode);
   dump_field(out, "swing_mode", static_cast<enums::ClimateSwingMode>(this->swing_mode));
   dump_field(out, "has_custom_fan_mode", this->has_custom_fan_mode);
-  out.append("  custom_fan_mode: ");
-  out.append(format_hex_pretty(this->custom_fan_mode, this->custom_fan_mode_len));
-  out.append("\n");
+  dump_field(out, "custom_fan_mode", this->custom_fan_mode);
   dump_field(out, "has_preset", this->has_preset);
   dump_field(out, "preset", static_cast<enums::ClimatePreset>(this->preset));
   dump_field(out, "has_custom_preset", this->has_custom_preset);
-  out.append("  custom_preset: ");
-  out.append(format_hex_pretty(this->custom_preset, this->custom_preset_len));
-  out.append("\n");
+  dump_field(out, "custom_preset", this->custom_preset);
   dump_field(out, "has_target_humidity", this->has_target_humidity);
   dump_field(out, "target_humidity", this->target_humidity);
 #ifdef USE_DEVICES
@@ -1442,11 +1412,11 @@ void ClimateCommandRequest::dump_to(std::string &out) const {
 #ifdef USE_WATER_HEATER
 void ListEntitiesWaterHeaterResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesWaterHeaterResponse");
-  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "object_id", this->object_id);
   dump_field(out, "key", this->key);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
 #ifdef USE_ENTITY_ICON
-  dump_field(out, "icon", this->icon_ref_);
+  dump_field(out, "icon", this->icon);
 #endif
   dump_field(out, "disabled_by_default", this->disabled_by_default);
   dump_field(out, "entity_category", static_cast<enums::EntityCategory>(this->entity_category));
@@ -1491,20 +1461,20 @@ void WaterHeaterCommandRequest::dump_to(std::string &out) const {
 #ifdef USE_NUMBER
 void ListEntitiesNumberResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesNumberResponse");
-  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "object_id", this->object_id);
   dump_field(out, "key", this->key);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
 #ifdef USE_ENTITY_ICON
-  dump_field(out, "icon", this->icon_ref_);
+  dump_field(out, "icon", this->icon);
 #endif
   dump_field(out, "min_value", this->min_value);
   dump_field(out, "max_value", this->max_value);
   dump_field(out, "step", this->step);
   dump_field(out, "disabled_by_default", this->disabled_by_default);
   dump_field(out, "entity_category", static_cast<enums::EntityCategory>(this->entity_category));
-  dump_field(out, "unit_of_measurement", this->unit_of_measurement_ref_);
+  dump_field(out, "unit_of_measurement", this->unit_of_measurement);
   dump_field(out, "mode", static_cast<enums::NumberMode>(this->mode));
-  dump_field(out, "device_class", this->device_class_ref_);
+  dump_field(out, "device_class", this->device_class);
 #ifdef USE_DEVICES
   dump_field(out, "device_id", this->device_id);
 #endif
@@ -1530,11 +1500,11 @@ void NumberCommandRequest::dump_to(std::string &out) const {
 #ifdef USE_SELECT
 void ListEntitiesSelectResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesSelectResponse");
-  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "object_id", this->object_id);
   dump_field(out, "key", this->key);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
 #ifdef USE_ENTITY_ICON
-  dump_field(out, "icon", this->icon_ref_);
+  dump_field(out, "icon", this->icon);
 #endif
   for (const auto &it : *this->options) {
     dump_field(out, "options", it, 4);
@@ -1548,7 +1518,7 @@ void ListEntitiesSelectResponse::dump_to(std::string &out) const {
 void SelectStateResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "SelectStateResponse");
   dump_field(out, "key", this->key);
-  dump_field(out, "state", this->state_ref_);
+  dump_field(out, "state", this->state);
   dump_field(out, "missing_state", this->missing_state);
 #ifdef USE_DEVICES
   dump_field(out, "device_id", this->device_id);
@@ -1557,9 +1527,7 @@ void SelectStateResponse::dump_to(std::string &out) const {
 void SelectCommandRequest::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "SelectCommandRequest");
   dump_field(out, "key", this->key);
-  out.append("  state: ");
-  out.append(format_hex_pretty(this->state, this->state_len));
-  out.append("\n");
+  dump_field(out, "state", this->state);
 #ifdef USE_DEVICES
   dump_field(out, "device_id", this->device_id);
 #endif
@@ -1568,14 +1536,14 @@ void SelectCommandRequest::dump_to(std::string &out) const {
 #ifdef USE_SIREN
 void ListEntitiesSirenResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesSirenResponse");
-  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "object_id", this->object_id);
   dump_field(out, "key", this->key);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
 #ifdef USE_ENTITY_ICON
-  dump_field(out, "icon", this->icon_ref_);
+  dump_field(out, "icon", this->icon);
 #endif
   dump_field(out, "disabled_by_default", this->disabled_by_default);
-  for (const auto &it : this->tones) {
+  for (const auto &it : *this->tones) {
     dump_field(out, "tones", it, 4);
   }
   dump_field(out, "supports_duration", this->supports_duration);
@@ -1612,18 +1580,18 @@ void SirenCommandRequest::dump_to(std::string &out) const {
 #ifdef USE_LOCK
 void ListEntitiesLockResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesLockResponse");
-  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "object_id", this->object_id);
   dump_field(out, "key", this->key);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
 #ifdef USE_ENTITY_ICON
-  dump_field(out, "icon", this->icon_ref_);
+  dump_field(out, "icon", this->icon);
 #endif
   dump_field(out, "disabled_by_default", this->disabled_by_default);
   dump_field(out, "entity_category", static_cast<enums::EntityCategory>(this->entity_category));
   dump_field(out, "assumed_state", this->assumed_state);
   dump_field(out, "supports_open", this->supports_open);
   dump_field(out, "requires_code", this->requires_code);
-  dump_field(out, "code_format", this->code_format_ref_);
+  dump_field(out, "code_format", this->code_format);
 #ifdef USE_DEVICES
   dump_field(out, "device_id", this->device_id);
 #endif
@@ -1650,15 +1618,15 @@ void LockCommandRequest::dump_to(std::string &out) const {
 #ifdef USE_BUTTON
 void ListEntitiesButtonResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesButtonResponse");
-  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "object_id", this->object_id);
   dump_field(out, "key", this->key);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
 #ifdef USE_ENTITY_ICON
-  dump_field(out, "icon", this->icon_ref_);
+  dump_field(out, "icon", this->icon);
 #endif
   dump_field(out, "disabled_by_default", this->disabled_by_default);
   dump_field(out, "entity_category", static_cast<enums::EntityCategory>(this->entity_category));
-  dump_field(out, "device_class", this->device_class_ref_);
+  dump_field(out, "device_class", this->device_class);
 #ifdef USE_DEVICES
   dump_field(out, "device_id", this->device_id);
 #endif
@@ -1674,7 +1642,7 @@ void ButtonCommandRequest::dump_to(std::string &out) const {
 #ifdef USE_MEDIA_PLAYER
 void MediaPlayerSupportedFormat::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "MediaPlayerSupportedFormat");
-  dump_field(out, "format", this->format_ref_);
+  dump_field(out, "format", this->format);
   dump_field(out, "sample_rate", this->sample_rate);
   dump_field(out, "num_channels", this->num_channels);
   dump_field(out, "purpose", static_cast<enums::MediaPlayerFormatPurpose>(this->purpose));
@@ -1682,11 +1650,11 @@ void MediaPlayerSupportedFormat::dump_to(std::string &out) const {
 }
 void ListEntitiesMediaPlayerResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesMediaPlayerResponse");
-  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "object_id", this->object_id);
   dump_field(out, "key", this->key);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
 #ifdef USE_ENTITY_ICON
-  dump_field(out, "icon", this->icon_ref_);
+  dump_field(out, "icon", this->icon);
 #endif
   dump_field(out, "disabled_by_default", this->disabled_by_default);
   dump_field(out, "entity_category", static_cast<enums::EntityCategory>(this->entity_category));
@@ -1763,7 +1731,10 @@ void BluetoothDeviceConnectionResponse::dump_to(std::string &out) const {
   dump_field(out, "mtu", this->mtu);
   dump_field(out, "error", this->error);
 }
-void BluetoothGATTGetServicesRequest::dump_to(std::string &out) const { dump_field(out, "address", this->address); }
+void BluetoothGATTGetServicesRequest::dump_to(std::string &out) const {
+  MessageDumpHelper helper(out, "BluetoothGATTGetServicesRequest");
+  dump_field(out, "address", this->address);
+}
 void BluetoothGATTDescriptor::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "BluetoothGATTDescriptor");
   for (const auto &it : this->uuid) {
@@ -1935,12 +1906,12 @@ void VoiceAssistantAudioSettings::dump_to(std::string &out) const {
 void VoiceAssistantRequest::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "VoiceAssistantRequest");
   dump_field(out, "start", this->start);
-  dump_field(out, "conversation_id", this->conversation_id_ref_);
+  dump_field(out, "conversation_id", this->conversation_id);
   dump_field(out, "flags", this->flags);
   out.append("  audio_settings: ");
   this->audio_settings.dump_to(out);
   out.append("\n");
-  dump_field(out, "wake_word_phrase", this->wake_word_phrase_ref_);
+  dump_field(out, "wake_word_phrase", this->wake_word_phrase);
 }
 void VoiceAssistantResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "VoiceAssistantResponse");
@@ -1964,11 +1935,7 @@ void VoiceAssistantEventResponse::dump_to(std::string &out) const {
 void VoiceAssistantAudio::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "VoiceAssistantAudio");
   out.append("  data: ");
-  if (this->data_ptr_ != nullptr) {
-    out.append(format_hex_pretty(this->data_ptr_, this->data_len_));
-  } else {
-    out.append(format_hex_pretty(reinterpret_cast<const uint8_t *>(this->data.data()), this->data.size()));
-  }
+  out.append(format_hex_pretty(this->data, this->data_len));
   out.append("\n");
   dump_field(out, "end", this->end);
 }
@@ -1988,11 +1955,14 @@ void VoiceAssistantAnnounceRequest::dump_to(std::string &out) const {
   dump_field(out, "preannounce_media_id", this->preannounce_media_id);
   dump_field(out, "start_conversation", this->start_conversation);
 }
-void VoiceAssistantAnnounceFinished::dump_to(std::string &out) const { dump_field(out, "success", this->success); }
+void VoiceAssistantAnnounceFinished::dump_to(std::string &out) const {
+  MessageDumpHelper helper(out, "VoiceAssistantAnnounceFinished");
+  dump_field(out, "success", this->success);
+}
 void VoiceAssistantWakeWord::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "VoiceAssistantWakeWord");
-  dump_field(out, "id", this->id_ref_);
-  dump_field(out, "wake_word", this->wake_word_ref_);
+  dump_field(out, "id", this->id);
+  dump_field(out, "wake_word", this->wake_word);
   for (const auto &it : this->trained_languages) {
     dump_field(out, "trained_languages", it, 4);
   }
@@ -2039,11 +2009,11 @@ void VoiceAssistantSetConfiguration::dump_to(std::string &out) const {
 #ifdef USE_ALARM_CONTROL_PANEL
 void ListEntitiesAlarmControlPanelResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesAlarmControlPanelResponse");
-  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "object_id", this->object_id);
   dump_field(out, "key", this->key);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
 #ifdef USE_ENTITY_ICON
-  dump_field(out, "icon", this->icon_ref_);
+  dump_field(out, "icon", this->icon);
 #endif
   dump_field(out, "disabled_by_default", this->disabled_by_default);
   dump_field(out, "entity_category", static_cast<enums::EntityCategory>(this->entity_category));
@@ -2075,17 +2045,17 @@ void AlarmControlPanelCommandRequest::dump_to(std::string &out) const {
 #ifdef USE_TEXT
 void ListEntitiesTextResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesTextResponse");
-  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "object_id", this->object_id);
   dump_field(out, "key", this->key);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
 #ifdef USE_ENTITY_ICON
-  dump_field(out, "icon", this->icon_ref_);
+  dump_field(out, "icon", this->icon);
 #endif
   dump_field(out, "disabled_by_default", this->disabled_by_default);
   dump_field(out, "entity_category", static_cast<enums::EntityCategory>(this->entity_category));
   dump_field(out, "min_length", this->min_length);
   dump_field(out, "max_length", this->max_length);
-  dump_field(out, "pattern", this->pattern_ref_);
+  dump_field(out, "pattern", this->pattern);
   dump_field(out, "mode", static_cast<enums::TextMode>(this->mode));
 #ifdef USE_DEVICES
   dump_field(out, "device_id", this->device_id);
@@ -2094,7 +2064,7 @@ void ListEntitiesTextResponse::dump_to(std::string &out) const {
 void TextStateResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "TextStateResponse");
   dump_field(out, "key", this->key);
-  dump_field(out, "state", this->state_ref_);
+  dump_field(out, "state", this->state);
   dump_field(out, "missing_state", this->missing_state);
 #ifdef USE_DEVICES
   dump_field(out, "device_id", this->device_id);
@@ -2112,11 +2082,11 @@ void TextCommandRequest::dump_to(std::string &out) const {
 #ifdef USE_DATETIME_DATE
 void ListEntitiesDateResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesDateResponse");
-  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "object_id", this->object_id);
   dump_field(out, "key", this->key);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
 #ifdef USE_ENTITY_ICON
-  dump_field(out, "icon", this->icon_ref_);
+  dump_field(out, "icon", this->icon);
 #endif
   dump_field(out, "disabled_by_default", this->disabled_by_default);
   dump_field(out, "entity_category", static_cast<enums::EntityCategory>(this->entity_category));
@@ -2149,11 +2119,11 @@ void DateCommandRequest::dump_to(std::string &out) const {
 #ifdef USE_DATETIME_TIME
 void ListEntitiesTimeResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesTimeResponse");
-  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "object_id", this->object_id);
   dump_field(out, "key", this->key);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
 #ifdef USE_ENTITY_ICON
-  dump_field(out, "icon", this->icon_ref_);
+  dump_field(out, "icon", this->icon);
 #endif
   dump_field(out, "disabled_by_default", this->disabled_by_default);
   dump_field(out, "entity_category", static_cast<enums::EntityCategory>(this->entity_category));
@@ -2186,15 +2156,15 @@ void TimeCommandRequest::dump_to(std::string &out) const {
 #ifdef USE_EVENT
 void ListEntitiesEventResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesEventResponse");
-  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "object_id", this->object_id);
   dump_field(out, "key", this->key);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
 #ifdef USE_ENTITY_ICON
-  dump_field(out, "icon", this->icon_ref_);
+  dump_field(out, "icon", this->icon);
 #endif
   dump_field(out, "disabled_by_default", this->disabled_by_default);
   dump_field(out, "entity_category", static_cast<enums::EntityCategory>(this->entity_category));
-  dump_field(out, "device_class", this->device_class_ref_);
+  dump_field(out, "device_class", this->device_class);
   for (const auto &it : *this->event_types) {
     dump_field(out, "event_types", it, 4);
   }
@@ -2205,7 +2175,7 @@ void ListEntitiesEventResponse::dump_to(std::string &out) const {
 void EventResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "EventResponse");
   dump_field(out, "key", this->key);
-  dump_field(out, "event_type", this->event_type_ref_);
+  dump_field(out, "event_type", this->event_type);
 #ifdef USE_DEVICES
   dump_field(out, "device_id", this->device_id);
 #endif
@@ -2214,15 +2184,15 @@ void EventResponse::dump_to(std::string &out) const {
 #ifdef USE_VALVE
 void ListEntitiesValveResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesValveResponse");
-  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "object_id", this->object_id);
   dump_field(out, "key", this->key);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
 #ifdef USE_ENTITY_ICON
-  dump_field(out, "icon", this->icon_ref_);
+  dump_field(out, "icon", this->icon);
 #endif
   dump_field(out, "disabled_by_default", this->disabled_by_default);
   dump_field(out, "entity_category", static_cast<enums::EntityCategory>(this->entity_category));
-  dump_field(out, "device_class", this->device_class_ref_);
+  dump_field(out, "device_class", this->device_class);
   dump_field(out, "assumed_state", this->assumed_state);
   dump_field(out, "supports_position", this->supports_position);
   dump_field(out, "supports_stop", this->supports_stop);
@@ -2253,11 +2223,11 @@ void ValveCommandRequest::dump_to(std::string &out) const {
 #ifdef USE_DATETIME_DATETIME
 void ListEntitiesDateTimeResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesDateTimeResponse");
-  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "object_id", this->object_id);
   dump_field(out, "key", this->key);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
 #ifdef USE_ENTITY_ICON
-  dump_field(out, "icon", this->icon_ref_);
+  dump_field(out, "icon", this->icon);
 #endif
   dump_field(out, "disabled_by_default", this->disabled_by_default);
   dump_field(out, "entity_category", static_cast<enums::EntityCategory>(this->entity_category));
@@ -2286,15 +2256,15 @@ void DateTimeCommandRequest::dump_to(std::string &out) const {
 #ifdef USE_UPDATE
 void ListEntitiesUpdateResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesUpdateResponse");
-  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "object_id", this->object_id);
   dump_field(out, "key", this->key);
-  dump_field(out, "name", this->name_ref_);
+  dump_field(out, "name", this->name);
 #ifdef USE_ENTITY_ICON
-  dump_field(out, "icon", this->icon_ref_);
+  dump_field(out, "icon", this->icon);
 #endif
   dump_field(out, "disabled_by_default", this->disabled_by_default);
   dump_field(out, "entity_category", static_cast<enums::EntityCategory>(this->entity_category));
-  dump_field(out, "device_class", this->device_class_ref_);
+  dump_field(out, "device_class", this->device_class);
 #ifdef USE_DEVICES
   dump_field(out, "device_id", this->device_id);
 #endif
@@ -2306,11 +2276,11 @@ void UpdateStateResponse::dump_to(std::string &out) const {
   dump_field(out, "in_progress", this->in_progress);
   dump_field(out, "has_progress", this->has_progress);
   dump_field(out, "progress", this->progress);
-  dump_field(out, "current_version", this->current_version_ref_);
-  dump_field(out, "latest_version", this->latest_version_ref_);
-  dump_field(out, "title", this->title_ref_);
-  dump_field(out, "release_summary", this->release_summary_ref_);
-  dump_field(out, "release_url", this->release_url_ref_);
+  dump_field(out, "current_version", this->current_version);
+  dump_field(out, "latest_version", this->latest_version);
+  dump_field(out, "title", this->title);
+  dump_field(out, "release_summary", this->release_summary);
+  dump_field(out, "release_url", this->release_url);
 #ifdef USE_DEVICES
   dump_field(out, "device_id", this->device_id);
 #endif

esphome/components/api/api_pb2_service.cpp

@@ -24,17 +24,6 @@ void APIServerConnectionBase::read_message(uint32_t msg_size, uint32_t msg_type,
       this->on_hello_request(msg);
       break;
     }
-#ifdef USE_API_PASSWORD
-    case AuthenticationRequest::MESSAGE_TYPE: {
-      AuthenticationRequest msg;
-      msg.decode(msg_data, msg_size);
-#ifdef HAS_PROTO_MESSAGE_DUMP
-      ESP_LOGVV(TAG, "on_authentication_request: %s", msg.dump().c_str());
-#endif
-      this->on_authentication_request(msg);
-      break;
-    }
-#endif
     case DisconnectRequest::MESSAGE_TYPE: {
       DisconnectRequest msg;
       // Empty message: no decode needed
@@ -643,13 +632,6 @@ void APIServerConnection::on_hello_request(const HelloRequest &msg) {
     this->on_fatal_error();
   }
 }
-#ifdef USE_API_PASSWORD
-void APIServerConnection::on_authentication_request(const AuthenticationRequest &msg) {
-  if (!this->send_authenticate_response(msg)) {
-    this->on_fatal_error();
-  }
-}
-#endif
 void APIServerConnection::on_disconnect_request(const DisconnectRequest &msg) {
   if (!this->send_disconnect_response(msg)) {
     this->on_fatal_error();
@@ -841,10 +823,7 @@ void APIServerConnection::on_z_wave_proxy_request(const ZWaveProxyRequest &msg)
 void APIServerConnection::read_message(uint32_t msg_size, uint32_t msg_type, const uint8_t *msg_data) {
   // Check authentication/connection requirements for messages
   switch (msg_type) {
-    case HelloRequest::MESSAGE_TYPE:  // No setup required
-#ifdef USE_API_PASSWORD
-    case AuthenticationRequest::MESSAGE_TYPE:  // No setup required
-#endif
+    case HelloRequest::MESSAGE_TYPE:       // No setup required
     case DisconnectRequest::MESSAGE_TYPE:  // No setup required
     case PingRequest::MESSAGE_TYPE:        // No setup required
       break;                               // Skip all checks for these messages

esphome/components/api/api_pb2_service.h

@@ -26,10 +26,6 @@ class APIServerConnectionBase : public ProtoService {
 
   virtual void on_hello_request(const HelloRequest &value){};
 
-#ifdef USE_API_PASSWORD
-  virtual void on_authentication_request(const AuthenticationRequest &value){};
-#endif
-
   virtual void on_disconnect_request(const DisconnectRequest &value){};
   virtual void on_disconnect_response(const DisconnectResponse &value){};
   virtual void on_ping_request(const PingRequest &value){};
@@ -228,9 +224,6 @@ class APIServerConnectionBase : public ProtoService {
 class APIServerConnection : public APIServerConnectionBase {
  public:
   virtual bool send_hello_response(const HelloRequest &msg) = 0;
-#ifdef USE_API_PASSWORD
-  virtual bool send_authenticate_response(const AuthenticationRequest &msg) = 0;
-#endif
   virtual bool send_disconnect_response(const DisconnectRequest &msg) = 0;
   virtual bool send_ping_response(const PingRequest &msg) = 0;
   virtual bool send_device_info_response(const DeviceInfoRequest &msg) = 0;
@@ -357,9 +350,6 @@ class APIServerConnection : public APIServerConnectionBase {
 #endif
  protected:
   void on_hello_request(const HelloRequest &msg) override;
-#ifdef USE_API_PASSWORD
-  void on_authentication_request(const AuthenticationRequest &msg) override;
-#endif
   void on_disconnect_request(const DisconnectRequest &msg) override;
   void on_ping_request(const PingRequest &msg) override;
   void on_device_info_request(const DeviceInfoRequest &msg) override;

esphome/components/api/api_server.cpp

@@ -125,15 +125,18 @@ void APIServer::loop() {
       if (!sock)
         break;
 
+      char peername[socket::SOCKADDR_STR_LEN];
+      sock->getpeername_to(peername);
+
       // Check if we're at the connection limit
       if (this->clients_.size() >= this->max_connections_) {
-        ESP_LOGW(TAG, "Max connections (%d), rejecting %s", this->max_connections_, sock->getpeername().c_str());
+        ESP_LOGW(TAG, "Max connections (%d), rejecting %s", this->max_connections_, peername);
         // Immediately close - socket destructor will handle cleanup
         sock.reset();
         continue;
       }
 
-      ESP_LOGD(TAG, "Accept %s", sock->getpeername().c_str());
+      ESP_LOGD(TAG, "Accept %s", peername);
 
       auto *conn = new APIConnection(std::move(sock), this);
       this->clients_.emplace_back(conn);
@@ -166,8 +169,7 @@ void APIServer::loop() {
     // Network is down - disconnect all clients
     for (auto &client : this->clients_) {
       client->on_fatal_error();
-      ESP_LOGW(TAG, "%s (%s): Network down; disconnect", client->client_info_.name.c_str(),
-               client->client_info_.peername.c_str());
+      client->log_client_(ESPHOME_LOG_LEVEL_WARN, LOG_STR("Network down; disconnect"));
     }
     // Continue to process and clean up the clients below
   }
@@ -184,13 +186,16 @@ void APIServer::loop() {
     }
 
     // Rare case: handle disconnection
-#ifdef USE_API_CLIENT_DISCONNECTED_TRIGGER
-    this->client_disconnected_trigger_->trigger(client->client_info_.name, client->client_info_.peername);
-#endif
 #ifdef USE_API_USER_DEFINED_ACTION_RESPONSES
     this->unregister_active_action_calls_for_connection(client.get());
 #endif
-    ESP_LOGV(TAG, "Remove connection %s", client->client_info_.name.c_str());
+    ESP_LOGV(TAG, "Remove connection %s", client->get_name());
+
+#ifdef USE_API_CLIENT_DISCONNECTED_TRIGGER
+    // Save client info before removal for the trigger
+    std::string client_name(client->get_name());
+    std::string client_peername(client->get_peername());
+#endif
 
     // Swap with the last element and pop (avoids expensive vector shifts)
     if (client_index < this->clients_.size() - 1) {
@@ -203,6 +208,11 @@ void APIServer::loop() {
       this->status_set_warning();
       this->last_connected_ = App.get_loop_component_start_time();
     }
+
+#ifdef USE_API_CLIENT_DISCONNECTED_TRIGGER
+    // Fire trigger after client is removed so api.connected reflects the true state
+    this->client_disconnected_trigger_->trigger(client_name, client_peername);
+#endif
     // Don't increment client_index since we need to process the swapped element
   }
 }
@@ -224,38 +234,6 @@ void APIServer::dump_config() {
 #endif
 }
 
-#ifdef USE_API_PASSWORD
-bool APIServer::check_password(const uint8_t *password_data, size_t password_len) const {
-  // depend only on input password length
-  const char *a = this->password_.c_str();
-  uint32_t len_a = this->password_.length();
-  const char *b = reinterpret_cast<const char *>(password_data);
-  uint32_t len_b = password_len;
-
-  // disable optimization with volatile
-  volatile uint32_t length = len_b;
-  volatile const char *left = nullptr;
-  volatile const char *right = b;
-  uint8_t result = 0;
-
-  if (len_a == length) {
-    left = *((volatile const char **) &a);
-    result = 0;
-  }
-  if (len_a != length) {
-    left = b;
-    result = 1;
-  }
-
-  for (size_t i = 0; i < length; i++) {
-    result |= *left++ ^ *right++;  // NOLINT
-  }
-
-  return result == 0;
-}
-
-#endif
-
 void APIServer::handle_disconnect(APIConnection *conn) {}
 
 // Macro for controller update dispatch
@@ -377,10 +355,6 @@ float APIServer::get_setup_priority() const { return setup_priority::AFTER_WIFI;
 
 void APIServer::set_port(uint16_t port) { this->port_ = port; }
 
-#ifdef USE_API_PASSWORD
-void APIServer::set_password(const std::string &password) { this->password_ = password; }
-#endif
-
 void APIServer::set_batch_delay(uint16_t batch_delay) { this->batch_delay_ = batch_delay; }
 
 #ifdef USE_API_HOMEASSISTANT_SERVICES
@@ -394,7 +368,7 @@ void APIServer::register_action_response_callback(uint32_t call_id, ActionRespon
   this->action_response_callbacks_.push_back({call_id, std::move(callback)});
 }
 
-void APIServer::handle_action_response(uint32_t call_id, bool success, const std::string &error_message) {
+void APIServer::handle_action_response(uint32_t call_id, bool success, StringRef error_message) {
   for (auto it = this->action_response_callbacks_.begin(); it != this->action_response_callbacks_.end(); ++it) {
     if (it->call_id == call_id) {
       auto callback = std::move(it->callback);
@@ -406,7 +380,7 @@ void APIServer::handle_action_response(uint32_t call_id, bool success, const std
   }
 }
 #ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
-void APIServer::handle_action_response(uint32_t call_id, bool success, const std::string &error_message,
+void APIServer::handle_action_response(uint32_t call_id, bool success, StringRef error_message,
                                        const uint8_t *response_data, size_t response_data_len) {
   for (auto it = this->action_response_callbacks_.begin(); it != this->action_response_callbacks_.end(); ++it) {
     if (it->call_id == call_id) {
@@ -424,8 +398,8 @@ void APIServer::handle_action_response(uint32_t call_id, bool success, const std
 
 #ifdef USE_API_HOMEASSISTANT_STATES
 // Helper to add subscription (reduces duplication)
-void APIServer::add_state_subscription_(const char *entity_id, const char *attribute,
-                                        std::function<void(std::string)> f, bool once) {
+void APIServer::add_state_subscription_(const char *entity_id, const char *attribute, std::function<void(StringRef)> f,
+                                        bool once) {
   this->state_subs_.push_back(HomeAssistantStateSubscription{
       .entity_id = entity_id, .attribute = attribute, .callback = std::move(f), .once = once,
       // entity_id_dynamic_storage and attribute_dynamic_storage remain nullptr (no heap allocation)
@@ -434,7 +408,7 @@ void APIServer::add_state_subscription_(const char *entity_id, const char *attri
 
 // Helper to add subscription with heap-allocated strings (reduces duplication)
 void APIServer::add_state_subscription_(std::string entity_id, optional<std::string> attribute,
-                                        std::function<void(std::string)> f, bool once) {
+                                        std::function<void(StringRef)> f, bool once) {
   HomeAssistantStateSubscription sub;
   // Allocate heap storage for the strings
   sub.entity_id_dynamic_storage = std::make_unique<std::string>(std::move(entity_id));
@@ -454,23 +428,43 @@ void APIServer::add_state_subscription_(std::string entity_id, optional<std::str
 
 // New const char* overload (for internal components - zero allocation)
 void APIServer::subscribe_home_assistant_state(const char *entity_id, const char *attribute,
-                                               std::function<void(std::string)> f) {
+                                               std::function<void(StringRef)> f) {
   this->add_state_subscription_(entity_id, attribute, std::move(f), false);
 }
 
 void APIServer::get_home_assistant_state(const char *entity_id, const char *attribute,
-                                         std::function<void(std::string)> f) {
+                                         std::function<void(StringRef)> f) {
   this->add_state_subscription_(entity_id, attribute, std::move(f), true);
 }
 
-// Existing std::string overload (for custom_api_device.h - heap allocation)
+// std::string overload with StringRef callback (zero-allocation callback)
 void APIServer::subscribe_home_assistant_state(std::string entity_id, optional<std::string> attribute,
-                                               std::function<void(std::string)> f) {
+                                               std::function<void(StringRef)> f) {
   this->add_state_subscription_(std::move(entity_id), std::move(attribute), std::move(f), false);
 }
 
 void APIServer::get_home_assistant_state(std::string entity_id, optional<std::string> attribute,
-                                         std::function<void(std::string)> f) {
+                                         std::function<void(StringRef)> f) {
+  this->add_state_subscription_(std::move(entity_id), std::move(attribute), std::move(f), true);
+}
+
+// Legacy helper: wraps std::string callback and delegates to StringRef version
+void APIServer::add_state_subscription_(std::string entity_id, optional<std::string> attribute,
+                                        std::function<void(const std::string &)> f, bool once) {
+  // Wrap callback to convert StringRef -> std::string, then delegate
+  this->add_state_subscription_(std::move(entity_id), std::move(attribute),
+                                std::function<void(StringRef)>([f = std::move(f)](StringRef state) { f(state.str()); }),
+                                once);
+}
+
+// Legacy std::string overload (for custom_api_device.h - converts StringRef to std::string)
+void APIServer::subscribe_home_assistant_state(std::string entity_id, optional<std::string> attribute,
+                                               std::function<void(const std::string &)> f) {
+  this->add_state_subscription_(std::move(entity_id), std::move(attribute), std::move(f), false);
+}
+
+void APIServer::get_home_assistant_state(std::string entity_id, optional<std::string> attribute,
+                                         std::function<void(const std::string &)> f) {
   this->add_state_subscription_(std::move(entity_id), std::move(attribute), std::move(f), true);
 }
 
@@ -678,7 +672,7 @@ void APIServer::unregister_active_action_calls_for_connection(APIConnection *con
   }
 }
 
-void APIServer::send_action_response(uint32_t action_call_id, bool success, const std::string &error_message) {
+void APIServer::send_action_response(uint32_t action_call_id, bool success, StringRef error_message) {
   for (auto &call : this->active_action_calls_) {
     if (call.action_call_id == action_call_id) {
       call.connection->send_execute_service_response(call.client_call_id, success, error_message);
@@ -688,7 +682,7 @@ void APIServer::send_action_response(uint32_t action_call_id, bool success, cons
   ESP_LOGW(TAG, "Cannot send response: no active call found for action_call_id %u", action_call_id);
 }
 #ifdef USE_API_USER_DEFINED_ACTION_RESPONSES_JSON
-void APIServer::send_action_response(uint32_t action_call_id, bool success, const std::string &error_message,
+void APIServer::send_action_response(uint32_t action_call_id, bool success, StringRef error_message,
                                      const uint8_t *response_data, size_t response_data_len) {
   for (auto &call : this->active_action_calls_) {
     if (call.action_call_id == action_call_id) {

esphome/components/api/api_server.h

@@ -10,6 +10,7 @@
 #include "esphome/core/component.h"
 #include "esphome/core/controller.h"
 #include "esphome/core/log.h"
+#include "esphome/core/string_ref.h"
 #include "list_entities.h"
 #include "subscribe_state.h"
 #ifdef USE_LOGGER
@@ -59,10 +60,6 @@ class APIServer : public Component,
 #endif
 #ifdef USE_CAMERA
   void on_camera_image(const std::shared_ptr<camera::CameraImage> &image) override;
-#endif
-#ifdef USE_API_PASSWORD
-  bool check_password(const uint8_t *password_data, size_t password_len) const;
-  void set_password(const std::string &password);
 #endif
   void set_port(uint16_t port);
   void set_reboot_timeout(uint32_t reboot_timeout);
@@ -143,10 +140,10 @@ class APIServer : public Component,
   // Action response handling
   using ActionResponseCallback = std::function<void(const class ActionResponse &)>;
   void register_action_response_callback(uint32_t call_id, ActionResponseCallback callback);
-  void handle_action_response(uint32_t call_id, bool success, const std::string &error_message);
+  void handle_action_response(uint32_t call_id, bool success, StringRef error_message);
 #ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
-  void handle_action_response(uint32_t call_id, bool success, const std::string &error_message,
-                              const uint8_t *response_data, size_t response_data_len);
+  void handle_action_response(uint32_t call_id, bool success, StringRef error_message, const uint8_t *response_data,
+                              size_t response_data_len);
 #endif  // USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
 #endif  // USE_API_HOMEASSISTANT_ACTION_RESPONSES
 #endif  // USE_API_HOMEASSISTANT_SERVICES
@@ -165,9 +162,9 @@ class APIServer : public Component,
   void unregister_active_action_call(uint32_t action_call_id);
   void unregister_active_action_calls_for_connection(APIConnection *conn);
   // Send response for a specific action call (uses action_call_id, sends client_call_id in response)
-  void send_action_response(uint32_t action_call_id, bool success, const std::string &error_message);
+  void send_action_response(uint32_t action_call_id, bool success, StringRef error_message);
 #ifdef USE_API_USER_DEFINED_ACTION_RESPONSES_JSON
-  void send_action_response(uint32_t action_call_id, bool success, const std::string &error_message,
+  void send_action_response(uint32_t action_call_id, bool success, StringRef error_message,
                             const uint8_t *response_data, size_t response_data_len);
 #endif  // USE_API_USER_DEFINED_ACTION_RESPONSES_JSON
 #endif  // USE_API_USER_DEFINED_ACTION_RESPONSES
@@ -195,7 +192,7 @@ class APIServer : public Component,
   struct HomeAssistantStateSubscription {
     const char *entity_id;  // Pointer to flash (internal) or heap (external)
     const char *attribute;  // Pointer to flash or nullptr (nullptr means no attribute)
-    std::function<void(std::string)> callback;
+    std::function<void(StringRef)> callback;
     bool once;
 
     // Dynamic storage for external components using std::string API (custom_api_device.h)
@@ -205,14 +202,20 @@ class APIServer : public Component,
   };
 
   // New const char* overload (for internal components - zero allocation)
-  void subscribe_home_assistant_state(const char *entity_id, const char *attribute, std::function<void(std::string)> f);
-  void get_home_assistant_state(const char *entity_id, const char *attribute, std::function<void(std::string)> f);
+  void subscribe_home_assistant_state(const char *entity_id, const char *attribute, std::function<void(StringRef)> f);
+  void get_home_assistant_state(const char *entity_id, const char *attribute, std::function<void(StringRef)> f);
 
-  // Existing std::string overload (for custom_api_device.h - heap allocation)
+  // std::string overload with StringRef callback (for custom_api_device.h with zero-allocation callback)
   void subscribe_home_assistant_state(std::string entity_id, optional<std::string> attribute,
-                                      std::function<void(std::string)> f);
+                                      std::function<void(StringRef)> f);
   void get_home_assistant_state(std::string entity_id, optional<std::string> attribute,
-                                std::function<void(std::string)> f);
+                                std::function<void(StringRef)> f);
+
+  // Legacy std::string overload (for custom_api_device.h - converts StringRef to std::string for callback)
+  void subscribe_home_assistant_state(std::string entity_id, optional<std::string> attribute,
+                                      std::function<void(const std::string &)> f);
+  void get_home_assistant_state(std::string entity_id, optional<std::string> attribute,
+                                std::function<void(const std::string &)> f);
 
   const std::vector<HomeAssistantStateSubscription> &get_state_subs() const;
 #endif
@@ -236,10 +239,13 @@ class APIServer : public Component,
 #endif  // USE_API_NOISE
 #ifdef USE_API_HOMEASSISTANT_STATES
   // Helper methods to reduce code duplication
-  void add_state_subscription_(const char *entity_id, const char *attribute, std::function<void(std::string)> f,
+  void add_state_subscription_(const char *entity_id, const char *attribute, std::function<void(StringRef)> f,
                                bool once);
+  void add_state_subscription_(std::string entity_id, optional<std::string> attribute, std::function<void(StringRef)> f,
+                               bool once);
+  // Legacy helper: wraps std::string callback and delegates to StringRef version
   void add_state_subscription_(std::string entity_id, optional<std::string> attribute,
-                               std::function<void(std::string)> f, bool once);
+                               std::function<void(const std::string &)> f, bool once);
 #endif  // USE_API_HOMEASSISTANT_STATES
   // Pointers and pointer-like types first (4 bytes each)
   std::unique_ptr<socket::Socket> socket_ = nullptr;
@@ -256,9 +262,6 @@ class APIServer : public Component,
 
   // Vectors and strings (12 bytes each on 32-bit)
   std::vector<std::unique_ptr<APIConnection>> clients_;
-#ifdef USE_API_PASSWORD
-  std::string password_;
-#endif
   std::vector<uint8_t> shared_write_buffer_;  // Shared proto write buffer for all connections
 #ifdef USE_API_HOMEASSISTANT_STATES
   std::vector<HomeAssistantStateSubscription> state_subs_;

esphome/components/api/client.py

@@ -16,7 +16,7 @@ with warnings.catch_warnings():
 
 import contextlib
 
-from esphome.const import CONF_KEY, CONF_PASSWORD, CONF_PORT, __version__
+from esphome.const import CONF_KEY, CONF_PORT, __version__
 from esphome.core import CORE
 
 from . import CONF_ENCRYPTION
@@ -35,7 +35,6 @@ async def async_run_logs(config: dict[str, Any], addresses: list[str]) -> None:
     conf = config["api"]
     name = config["esphome"]["name"]
     port: int = int(conf[CONF_PORT])
-    password: str = conf[CONF_PASSWORD]
     noise_psk: str | None = None
     if (encryption := conf.get(CONF_ENCRYPTION)) and (key := encryption.get(CONF_KEY)):
         noise_psk = key
@@ -50,7 +49,7 @@ async def async_run_logs(config: dict[str, Any], addresses: list[str]) -> None:
     cli = APIClient(
         addresses[0],  # Primary address for compatibility
         port,
-        password,
+        "",  # Password auth removed in 2026.1.0
         client_info=f"ESPHome Logs {__version__}",
         noise_psk=noise_psk,
         addresses=addresses,  # Pass all addresses for automatic retry

esphome/components/api/custom_api_device.h

@@ -122,21 +122,36 @@ class CustomAPIDevice {
    *   subscribe_homeassistant_state(&CustomNativeAPI::on_state_changed, "climate.kitchen", "current_temperature");
    * }
    *
-   * void on_state_changed(std::string state) {
-   *   // State of sensor.weather_forecast is `state`
+   * void on_state_changed(StringRef state) {
+   *   // State of climate.kitchen current_temperature is `state`
+   *   // Use state.c_str() for C string, state.str() for std::string
    * }
    * ```
    *
    * @tparam T The class type creating the service, automatically deduced from the function pointer.
-   * @param callback The member function to call when the entity state changes.
+   * @param callback The member function to call when the entity state changes (zero-allocation).
    * @param entity_id The entity_id to track.
    * @param attribute The entity state attribute to track.
    */
   template<typename T>
+  void subscribe_homeassistant_state(void (T::*callback)(StringRef), const std::string &entity_id,
+                                     const std::string &attribute = "") {
+    auto f = std::bind(callback, (T *) this, std::placeholders::_1);
+    global_api_server->subscribe_home_assistant_state(entity_id, optional<std::string>(attribute), std::move(f));
+  }
+
+  /** Subscribe to the state (or attribute state) of an entity from Home Assistant (legacy std::string version).
+   *
+   * @deprecated Use the StringRef overload for zero-allocation callbacks. Will be removed in 2027.1.0.
+   */
+  template<typename T>
+  ESPDEPRECATED("Use void callback(StringRef) instead. Will be removed in 2027.1.0.", "2026.1.0")
   void subscribe_homeassistant_state(void (T::*callback)(std::string), const std::string &entity_id,
                                      const std::string &attribute = "") {
     auto f = std::bind(callback, (T *) this, std::placeholders::_1);
-    global_api_server->subscribe_home_assistant_state(entity_id, optional<std::string>(attribute), f);
+    // Explicit type to disambiguate overload resolution
+    global_api_server->subscribe_home_assistant_state(entity_id, optional<std::string>(attribute),
+                                                      std::function<void(const std::string &)>(f));
   }
 
   /** Subscribe to the state (or attribute state) of an entity from Home Assistant.
@@ -148,23 +163,45 @@ class CustomAPIDevice {
    *   subscribe_homeassistant_state(&CustomNativeAPI::on_state_changed, "sensor.weather_forecast");
    * }
    *
-   * void on_state_changed(std::string entity_id, std::string state) {
+   * void on_state_changed(const std::string &entity_id, StringRef state) {
    *   // State of `entity_id` is `state`
    * }
    * ```
    *
    * @tparam T The class type creating the service, automatically deduced from the function pointer.
-   * @param callback The member function to call when the entity state changes.
+   * @param callback The member function to call when the entity state changes (zero-allocation for state).
    * @param entity_id The entity_id to track.
    * @param attribute The entity state attribute to track.
    */
   template<typename T>
+  void subscribe_homeassistant_state(void (T::*callback)(const std::string &, StringRef), const std::string &entity_id,
+                                     const std::string &attribute = "") {
+    auto f = std::bind(callback, (T *) this, entity_id, std::placeholders::_1);
+    global_api_server->subscribe_home_assistant_state(entity_id, optional<std::string>(attribute), std::move(f));
+  }
+
+  /** Subscribe to the state (or attribute state) of an entity from Home Assistant (legacy std::string version).
+   *
+   * @deprecated Use the StringRef overload for zero-allocation callbacks. Will be removed in 2027.1.0.
+   */
+  template<typename T>
+  ESPDEPRECATED("Use void callback(const std::string &, StringRef) instead. Will be removed in 2027.1.0.", "2026.1.0")
   void subscribe_homeassistant_state(void (T::*callback)(std::string, std::string), const std::string &entity_id,
                                      const std::string &attribute = "") {
     auto f = std::bind(callback, (T *) this, entity_id, std::placeholders::_1);
-    global_api_server->subscribe_home_assistant_state(entity_id, optional<std::string>(attribute), f);
+    // Explicit type to disambiguate overload resolution
+    global_api_server->subscribe_home_assistant_state(entity_id, optional<std::string>(attribute),
+                                                      std::function<void(const std::string &)>(f));
   }
 #else
+  template<typename T>
+  void subscribe_homeassistant_state(void (T::*callback)(StringRef), const std::string &entity_id,
+                                     const std::string &attribute = "") {
+    static_assert(sizeof(T) == 0,
+                  "subscribe_homeassistant_state() requires 'homeassistant_states: true' in the 'api:' section "
+                  "of your YAML configuration");
+  }
+
   template<typename T>
   void subscribe_homeassistant_state(void (T::*callback)(std::string), const std::string &entity_id,
                                      const std::string &attribute = "") {
@@ -173,6 +210,14 @@ class CustomAPIDevice {
                   "of your YAML configuration");
   }
 
+  template<typename T>
+  void subscribe_homeassistant_state(void (T::*callback)(const std::string &, StringRef), const std::string &entity_id,
+                                     const std::string &attribute = "") {
+    static_assert(sizeof(T) == 0,
+                  "subscribe_homeassistant_state() requires 'homeassistant_states: true' in the 'api:' section "
+                  "of your YAML configuration");
+  }
+
   template<typename T>
   void subscribe_homeassistant_state(void (T::*callback)(std::string, std::string), const std::string &entity_id,
                                      const std::string &attribute = "") {
@@ -195,7 +240,7 @@ class CustomAPIDevice {
    */
   void call_homeassistant_service(const std::string &service_name) {
     HomeassistantActionRequest resp;
-    resp.set_service(StringRef(service_name));
+    resp.service = StringRef(service_name);
     global_api_server->send_homeassistant_action(resp);
   }
 
@@ -215,12 +260,12 @@ class CustomAPIDevice {
    */
   void call_homeassistant_service(const std::string &service_name, const std::map<std::string, std::string> &data) {
     HomeassistantActionRequest resp;
-    resp.set_service(StringRef(service_name));
+    resp.service = StringRef(service_name);
     resp.data.init(data.size());
     for (auto &it : data) {
       auto &kv = resp.data.emplace_back();
-      kv.set_key(StringRef(it.first));
-      kv.value = it.second;
+      kv.key = StringRef(it.first);
+      kv.value = it.second;  // value is std::string (no_zero_copy), assign directly
     }
     global_api_server->send_homeassistant_action(resp);
   }
@@ -237,7 +282,7 @@ class CustomAPIDevice {
    */
   void fire_homeassistant_event(const std::string &event_name) {
     HomeassistantActionRequest resp;
-    resp.set_service(StringRef(event_name));
+    resp.service = StringRef(event_name);
     resp.is_event = true;
     global_api_server->send_homeassistant_action(resp);
   }
@@ -257,13 +302,13 @@ class CustomAPIDevice {
    */
   void fire_homeassistant_event(const std::string &service_name, const std::map<std::string, std::string> &data) {
     HomeassistantActionRequest resp;
-    resp.set_service(StringRef(service_name));
+    resp.service = StringRef(service_name);
     resp.is_event = true;
     resp.data.init(data.size());
     for (auto &it : data) {
       auto &kv = resp.data.emplace_back();
-      kv.set_key(StringRef(it.first));
-      kv.value = it.second;
+      kv.key = StringRef(it.first);
+      kv.value = it.second;  // value is std::string (no_zero_copy), assign directly
     }
     global_api_server->send_homeassistant_action(resp);
   }

esphome/components/api/homeassistant_service.h

@@ -67,10 +67,10 @@ template<typename... Ts> class TemplatableKeyValuePair {
 // the callback is invoked synchronously while the message is on the stack).
 class ActionResponse {
  public:
-  ActionResponse(bool success, const std::string &error_message) : success_(success), error_message_(error_message) {}
+  ActionResponse(bool success, StringRef error_message) : success_(success), error_message_(error_message) {}
 
 #ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
-  ActionResponse(bool success, const std::string &error_message, const uint8_t *data, size_t data_len)
+  ActionResponse(bool success, StringRef error_message, const uint8_t *data, size_t data_len)
       : success_(success), error_message_(error_message) {
     if (data == nullptr || data_len == 0)
       return;
@@ -147,7 +147,7 @@ template<typename... Ts> class HomeAssistantServiceCallAction : public Action<Ts
   void play(const Ts &...x) override {
     HomeassistantActionRequest resp;
     std::string service_value = this->service_.value(x...);
-    resp.set_service(StringRef(service_value));
+    resp.service = StringRef(service_value);
     resp.is_event = this->flags_.is_event;
     this->populate_service_map(resp.data, this->data_, x...);
     this->populate_service_map(resp.data_template, this->data_template_, x...);
@@ -209,7 +209,7 @@ template<typename... Ts> class HomeAssistantServiceCallAction : public Action<Ts
     dest.init(source.size());
     for (auto &it : source) {
       auto &kv = dest.emplace_back();
-      kv.set_key(StringRef(it.key));
+      kv.key = StringRef(it.key);
       kv.value = it.value.value(x...);
     }
   }

esphome/components/api/proto.h

@@ -39,6 +39,24 @@ inline constexpr int64_t decode_zigzag64(uint64_t value) {
   return (value & 1) ? static_cast<int64_t>(~(value >> 1)) : static_cast<int64_t>(value >> 1);
 }
 
+/// Count number of varints in a packed buffer
+inline uint16_t count_packed_varints(const uint8_t *data, size_t len) {
+  uint16_t count = 0;
+  while (len > 0) {
+    // Skip varint bytes until we find one without continuation bit
+    while (len > 0 && (*data & 0x80)) {
+      data++;
+      len--;
+    }
+    if (len > 0) {
+      data++;
+      len--;
+      count++;
+    }
+  }
+  return count;
+}
+
 /*
  * StringRef Ownership Model for API Protocol Messages
  * ===================================================
@@ -54,16 +72,16 @@ inline constexpr int64_t decode_zigzag64(uint64_t value) {
  * 3. Global/static strings: StringRef(GLOBAL_CONSTANT) - Always safe
  * 4. Local variables: Safe ONLY if encoding happens before function returns:
  *    std::string temp = compute_value();
- *    msg.set_field(StringRef(temp));
+ *    msg.field = StringRef(temp);
  *    return this->send_message(msg);  // temp is valid during encoding
  *
  * Unsafe Patterns (WILL cause crashes/corruption):
- * 1. Temporaries: msg.set_field(StringRef(obj.get_string())) // get_string() returns by value
- * 2. Concatenation: msg.set_field(StringRef(str1 + str2)) // Result is temporary
+ * 1. Temporaries: msg.field = StringRef(obj.get_string()) // get_string() returns by value
+ * 2. Concatenation: msg.field = StringRef(str1 + str2) // Result is temporary
  *
  * For unsafe patterns, store in a local variable first:
  *    std::string temp = get_string();  // or str1 + str2
- *    msg.set_field(StringRef(temp));
+ *    msg.field = StringRef(temp);
  *
  * The send_*_response pattern ensures proper lifetime management by encoding
  * within the same function scope where temporaries are created.
@@ -180,9 +198,10 @@ class ProtoVarInt {
   uint64_t value_;
 };
 
-// Forward declaration for decode_to_message and encode_to_writer
-class ProtoMessage;
+// Forward declarations for decode_to_message, encode_message and encode_packed_sint32
 class ProtoDecodableMessage;
+class ProtoMessage;
+class ProtoSize;
 
 class ProtoLengthDelimited {
  public:
@@ -334,6 +353,8 @@ class ProtoWriteBuffer {
   void encode_sint64(uint32_t field_id, int64_t value, bool force = false) {
     this->encode_uint64(field_id, encode_zigzag64(value), force);
   }
+  /// Encode a packed repeated sint32 field (zero-copy from vector)
+  void encode_packed_sint32(uint32_t field_id, const std::vector<int32_t> &values);
   void encode_message(uint32_t field_id, const ProtoMessage &value);
   std::vector<uint8_t> *get_buffer() const { return buffer_; }
 
@@ -341,9 +362,6 @@ class ProtoWriteBuffer {
   std::vector<uint8_t> *buffer_;
 };
 
-// Forward declaration
-class ProtoSize;
-
 class ProtoMessage {
  public:
   virtual ~ProtoMessage() = default;
@@ -792,8 +810,43 @@ class ProtoSize {
       }
     }
   }
+
+  /**
+   * @brief Calculate size of a packed repeated sint32 field
+   */
+  inline void add_packed_sint32(uint32_t field_id_size, const std::vector<int32_t> &values) {
+    if (values.empty())
+      return;
+
+    size_t packed_size = 0;
+    for (int value : values) {
+      packed_size += varint(encode_zigzag32(value));
+    }
+
+    // field_id + length varint + packed data
+    total_size_ += field_id_size + varint(static_cast<uint32_t>(packed_size)) + static_cast<uint32_t>(packed_size);
+  }
 };
 
+// Implementation of encode_packed_sint32 - must be after ProtoSize is defined
+inline void ProtoWriteBuffer::encode_packed_sint32(uint32_t field_id, const std::vector<int32_t> &values) {
+  if (values.empty())
+    return;
+
+  // Calculate packed size
+  size_t packed_size = 0;
+  for (int value : values) {
+    packed_size += ProtoSize::varint(encode_zigzag32(value));
+  }
+
+  // Write tag (LENGTH_DELIMITED) + length + all zigzag-encoded values
+  this->encode_field_raw(field_id, WIRE_TYPE_LENGTH_DELIMITED);
+  this->encode_varint_raw(packed_size);
+  for (int value : values) {
+    this->encode_varint_raw(encode_zigzag32(value));
+  }
+}
+
 // Implementation of encode_message - must be after ProtoMessage is defined
 inline void ProtoWriteBuffer::encode_message(uint32_t field_id, const ProtoMessage &value) {
   this->encode_field_raw(field_id, 2);  // type 2: Length-delimited message
@@ -833,9 +886,6 @@ class ProtoService {
   virtual bool is_authenticated() = 0;
   virtual bool is_connection_setup() = 0;
   virtual void on_fatal_error() = 0;
-#ifdef USE_API_PASSWORD
-  virtual void on_unauthenticated_access() = 0;
-#endif
   virtual void on_no_setup_connection() = 0;
   /**
    * Create a buffer with a reserved size.
@@ -873,20 +923,7 @@ class ProtoService {
     return true;
   }
 
-  inline bool check_authenticated_() {
-#ifdef USE_API_PASSWORD
-    if (!this->check_connection_setup_()) {
-      return false;
-    }
-    if (!this->is_authenticated()) {
-      this->on_unauthenticated_access();
-      return false;
-    }
-    return true;
-#else
-    return this->check_connection_setup_();
-#endif
-  }
+  inline bool check_authenticated_() { return this->check_connection_setup_(); }
 };
 
 }  // namespace esphome::api

esphome/components/api/user_services.h

@@ -46,7 +46,7 @@ template<typename... Ts> class UserServiceBase : public UserServiceDescriptor {
 
   ListEntitiesServicesResponse encode_list_service_response() override {
     ListEntitiesServicesResponse msg;
-    msg.set_name(StringRef(this->name_));
+    msg.name = StringRef(this->name_);
     msg.key = this->key_;
     msg.supports_response = this->supports_response_;
     std::array<enums::ServiceArgType, sizeof...(Ts)> arg_types = {to_service_arg_type<Ts>()...};
@@ -54,7 +54,7 @@ template<typename... Ts> class UserServiceBase : public UserServiceDescriptor {
     for (size_t i = 0; i < sizeof...(Ts); i++) {
       auto &arg = msg.args.emplace_back();
       arg.type = arg_types[i];
-      arg.set_name(StringRef(this->arg_names_[i]));
+      arg.name = StringRef(this->arg_names_[i]);
     }
     return msg;
   }
@@ -108,7 +108,7 @@ template<typename... Ts> class UserServiceDynamic : public UserServiceDescriptor
 
   ListEntitiesServicesResponse encode_list_service_response() override {
     ListEntitiesServicesResponse msg;
-    msg.set_name(StringRef(this->name_));
+    msg.name = StringRef(this->name_);
     msg.key = this->key_;
     msg.supports_response = enums::SUPPORTS_RESPONSE_NONE;  // Dynamic services don't support responses yet
     std::array<enums::ServiceArgType, sizeof...(Ts)> arg_types = {to_service_arg_type<Ts>()...};
@@ -116,7 +116,7 @@ template<typename... Ts> class UserServiceDynamic : public UserServiceDescriptor
     for (size_t i = 0; i < sizeof...(Ts); i++) {
       auto &arg = msg.args.emplace_back();
       arg.type = arg_types[i];
-      arg.set_name(StringRef(this->arg_names_[i]));
+      arg.name = StringRef(this->arg_names_[i]);
     }
     return msg;
   }
@@ -255,7 +255,7 @@ template<typename... Ts> class APIRespondAction : public Action<Ts...> {
             bool return_response = std::get<1>(args);
             if (!return_response) {
               // Client doesn't want response data, just send success/error
-              this->parent_->send_action_response(call_id, success, error_message);
+              this->parent_->send_action_response(call_id, success, StringRef(error_message));
               return;
             }
           }
@@ -265,12 +265,12 @@ template<typename... Ts> class APIRespondAction : public Action<Ts...> {
       json::JsonBuilder builder;
       this->json_builder_(x..., builder.root());
       std::string json_str = builder.serialize();
-      this->parent_->send_action_response(call_id, success, error_message,
+      this->parent_->send_action_response(call_id, success, StringRef(error_message),
                                           reinterpret_cast<const uint8_t *>(json_str.data()), json_str.size());
       return;
     }
 #endif
-    this->parent_->send_action_response(call_id, success, error_message);
+    this->parent_->send_action_response(call_id, success, StringRef(error_message));
   }
 
  protected:

esphome/components/aqi/aqi_calculator.h

@@ -10,38 +10,37 @@ namespace esphome::aqi {
 class AQICalculator : public AbstractAQICalculator {
  public:
   uint16_t get_aqi(uint16_t pm2_5_value, uint16_t pm10_0_value) override {
-    int pm2_5_index = calculate_index_(pm2_5_value, pm2_5_calculation_grid_);
-    int pm10_0_index = calculate_index_(pm10_0_value, pm10_0_calculation_grid_);
+    int pm2_5_index = calculate_index(pm2_5_value, PM2_5_GRID);
+    int pm10_0_index = calculate_index(pm10_0_value, PM10_0_GRID);
 
     return (pm2_5_index < pm10_0_index) ? pm10_0_index : pm2_5_index;
   }
 
  protected:
-  static const int AMOUNT_OF_LEVELS = 6;
+  static constexpr int NUM_LEVELS = 6;
 
-  int index_grid_[AMOUNT_OF_LEVELS][2] = {{0, 50}, {51, 100}, {101, 150}, {151, 200}, {201, 300}, {301, 500}};
+  static constexpr int INDEX_GRID[NUM_LEVELS][2] = {{0, 50}, {51, 100}, {101, 150}, {151, 200}, {201, 300}, {301, 500}};
 
-  int pm2_5_calculation_grid_[AMOUNT_OF_LEVELS][2] = {{0, 9},    {10, 35},   {36, 55},
-                                                      {56, 125}, {126, 225}, {226, INT_MAX}};
+  static constexpr int PM2_5_GRID[NUM_LEVELS][2] = {{0, 9}, {10, 35}, {36, 55}, {56, 125}, {126, 225}, {226, INT_MAX}};
 
-  int pm10_0_calculation_grid_[AMOUNT_OF_LEVELS][2] = {{0, 54},    {55, 154},  {155, 254},
-                                                       {255, 354}, {355, 424}, {425, INT_MAX}};
+  static constexpr int PM10_0_GRID[NUM_LEVELS][2] = {{0, 54},    {55, 154},  {155, 254},
+                                                     {255, 354}, {355, 424}, {425, INT_MAX}};
 
-  int calculate_index_(uint16_t value, int array[AMOUNT_OF_LEVELS][2]) {
-    int grid_index = get_grid_index_(value, array);
+  static int calculate_index(uint16_t value, const int array[NUM_LEVELS][2]) {
+    int grid_index = get_grid_index(value, array);
     if (grid_index == -1) {
       return -1;
     }
-    int aqi_lo = index_grid_[grid_index][0];
-    int aqi_hi = index_grid_[grid_index][1];
+    int aqi_lo = INDEX_GRID[grid_index][0];
+    int aqi_hi = INDEX_GRID[grid_index][1];
     int conc_lo = array[grid_index][0];
     int conc_hi = array[grid_index][1];
 
     return (value - conc_lo) * (aqi_hi - aqi_lo) / (conc_hi - conc_lo) + aqi_lo;
   }
 
-  int get_grid_index_(uint16_t value, int array[AMOUNT_OF_LEVELS][2]) {
-    for (int i = 0; i < AMOUNT_OF_LEVELS; i++) {
+  static int get_grid_index(uint16_t value, const int array[NUM_LEVELS][2]) {
+    for (int i = 0; i < NUM_LEVELS; i++) {
       if (value >= array[i][0] && value <= array[i][1]) {
         return i;
       }

esphome/components/aqi/aqi_sensor.cpp

@@ -0,0 +1,52 @@
+#include "aqi_sensor.h"
+#include "esphome/core/log.h"
+
+namespace esphome::aqi {
+
+static const char *const TAG = "aqi";
+
+void AQISensor::setup() {
+  if (this->pm_2_5_sensor_ != nullptr) {
+    this->pm_2_5_sensor_->add_on_state_callback([this](float value) {
+      this->pm_2_5_value_ = value;
+      // Defer calculation to avoid double-publishing if both sensors update in the same loop
+      this->defer("update", [this]() { this->calculate_aqi_(); });
+    });
+  }
+  if (this->pm_10_0_sensor_ != nullptr) {
+    this->pm_10_0_sensor_->add_on_state_callback([this](float value) {
+      this->pm_10_0_value_ = value;
+      this->defer("update", [this]() { this->calculate_aqi_(); });
+    });
+  }
+}
+
+void AQISensor::dump_config() {
+  ESP_LOGCONFIG(TAG, "AQI Sensor:");
+  ESP_LOGCONFIG(TAG, "  Calculation Type: %s", this->aqi_calc_type_ == AQI_TYPE ? "AQI" : "CAQI");
+  if (this->pm_2_5_sensor_ != nullptr) {
+    ESP_LOGCONFIG(TAG, "  PM2.5 Sensor: '%s'", this->pm_2_5_sensor_->get_name().c_str());
+  }
+  if (this->pm_10_0_sensor_ != nullptr) {
+    ESP_LOGCONFIG(TAG, "  PM10 Sensor: '%s'", this->pm_10_0_sensor_->get_name().c_str());
+  }
+  LOG_SENSOR("  ", "AQI", this);
+}
+
+void AQISensor::calculate_aqi_() {
+  if (std::isnan(this->pm_2_5_value_) || std::isnan(this->pm_10_0_value_)) {
+    return;
+  }
+
+  AbstractAQICalculator *calculator = this->aqi_calculator_factory_.get_calculator(this->aqi_calc_type_);
+  if (calculator == nullptr) {
+    ESP_LOGW(TAG, "Unknown AQI calculator type");
+    return;
+  }
+
+  uint16_t aqi =
+      calculator->get_aqi(static_cast<uint16_t>(this->pm_2_5_value_), static_cast<uint16_t>(this->pm_10_0_value_));
+  this->publish_state(aqi);
+}
+
+}  // namespace esphome::aqi

esphome/components/aqi/aqi_sensor.h

@@ -0,0 +1,31 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/sensor/sensor.h"
+#include "aqi_calculator_factory.h"
+
+namespace esphome::aqi {
+
+class AQISensor : public sensor::Sensor, public Component {
+ public:
+  void setup() override;
+  void dump_config() override;
+  float get_setup_priority() const override { return setup_priority::DATA; }
+
+  void set_pm_2_5_sensor(sensor::Sensor *sensor) { this->pm_2_5_sensor_ = sensor; }
+  void set_pm_10_0_sensor(sensor::Sensor *sensor) { this->pm_10_0_sensor_ = sensor; }
+  void set_aqi_calculation_type(AQICalculatorType type) { this->aqi_calc_type_ = type; }
+
+ protected:
+  void calculate_aqi_();
+
+  sensor::Sensor *pm_2_5_sensor_{nullptr};
+  sensor::Sensor *pm_10_0_sensor_{nullptr};
+  AQICalculatorType aqi_calc_type_{AQI_TYPE};
+  AQICalculatorFactory aqi_calculator_factory_;
+
+  float pm_2_5_value_{NAN};
+  float pm_10_0_value_{NAN};
+};
+
+}  // namespace esphome::aqi

esphome/components/aqi/caqi_calculator.h

@@ -1,6 +1,5 @@
 #pragma once
 
-#include "esphome/core/log.h"
 #include "abstract_aqi_calculator.h"
 
 namespace esphome::aqi {
@@ -8,37 +7,37 @@ namespace esphome::aqi {
 class CAQICalculator : public AbstractAQICalculator {
  public:
   uint16_t get_aqi(uint16_t pm2_5_value, uint16_t pm10_0_value) override {
-    int pm2_5_index = calculate_index_(pm2_5_value, pm2_5_calculation_grid_);
-    int pm10_0_index = calculate_index_(pm10_0_value, pm10_0_calculation_grid_);
+    int pm2_5_index = calculate_index(pm2_5_value, PM2_5_GRID);
+    int pm10_0_index = calculate_index(pm10_0_value, PM10_0_GRID);
 
     return (pm2_5_index < pm10_0_index) ? pm10_0_index : pm2_5_index;
   }
 
  protected:
-  static const int AMOUNT_OF_LEVELS = 5;
+  static constexpr int NUM_LEVELS = 5;
 
-  int index_grid_[AMOUNT_OF_LEVELS][2] = {{0, 25}, {26, 50}, {51, 75}, {76, 100}, {101, 400}};
+  static constexpr int INDEX_GRID[NUM_LEVELS][2] = {{0, 25}, {26, 50}, {51, 75}, {76, 100}, {101, 400}};
 
-  int pm2_5_calculation_grid_[AMOUNT_OF_LEVELS][2] = {{0, 15}, {16, 30}, {31, 55}, {56, 110}, {111, 400}};
+  static constexpr int PM2_5_GRID[NUM_LEVELS][2] = {{0, 15}, {16, 30}, {31, 55}, {56, 110}, {111, 400}};
 
-  int pm10_0_calculation_grid_[AMOUNT_OF_LEVELS][2] = {{0, 25}, {26, 50}, {51, 90}, {91, 180}, {181, 400}};
+  static constexpr int PM10_0_GRID[NUM_LEVELS][2] = {{0, 25}, {26, 50}, {51, 90}, {91, 180}, {181, 400}};
 
-  int calculate_index_(uint16_t value, int array[AMOUNT_OF_LEVELS][2]) {
-    int grid_index = get_grid_index_(value, array);
+  static int calculate_index(uint16_t value, const int array[NUM_LEVELS][2]) {
+    int grid_index = get_grid_index(value, array);
     if (grid_index == -1) {
       return -1;
     }
 
-    int aqi_lo = index_grid_[grid_index][0];
-    int aqi_hi = index_grid_[grid_index][1];
+    int aqi_lo = INDEX_GRID[grid_index][0];
+    int aqi_hi = INDEX_GRID[grid_index][1];
     int conc_lo = array[grid_index][0];
     int conc_hi = array[grid_index][1];
 
     return (value - conc_lo) * (aqi_hi - aqi_lo) / (conc_hi - conc_lo) + aqi_lo;
   }
 
-  int get_grid_index_(uint16_t value, int array[AMOUNT_OF_LEVELS][2]) {
-    for (int i = 0; i < AMOUNT_OF_LEVELS; i++) {
+  static int get_grid_index(uint16_t value, const int array[NUM_LEVELS][2]) {
+    for (int i = 0; i < NUM_LEVELS; i++) {
       if (value >= array[i][0] && value <= array[i][1]) {
         return i;
       }

esphome/components/aqi/sensor.py

@@ -0,0 +1,51 @@
+import esphome.codegen as cg
+from esphome.components import sensor
+import esphome.config_validation as cv
+from esphome.const import (
+    CONF_PM_2_5,
+    CONF_PM_10_0,
+    DEVICE_CLASS_AQI,
+    STATE_CLASS_MEASUREMENT,
+)
+
+from . import AQI_CALCULATION_TYPE, CONF_CALCULATION_TYPE, aqi_ns
+
+CODEOWNERS = ["@jasstrong"]
+DEPENDENCIES = ["sensor"]
+
+UNIT_INDEX = "index"
+
+AQISensor = aqi_ns.class_("AQISensor", sensor.Sensor, cg.Component)
+
+CONFIG_SCHEMA = (
+    sensor.sensor_schema(
+        AQISensor,
+        unit_of_measurement=UNIT_INDEX,
+        accuracy_decimals=0,
+        device_class=DEVICE_CLASS_AQI,
+        state_class=STATE_CLASS_MEASUREMENT,
+    )
+    .extend(
+        {
+            cv.Required(CONF_PM_2_5): cv.use_id(sensor.Sensor),
+            cv.Required(CONF_PM_10_0): cv.use_id(sensor.Sensor),
+            cv.Required(CONF_CALCULATION_TYPE): cv.enum(
+                AQI_CALCULATION_TYPE, upper=True
+            ),
+        }
+    )
+    .extend(cv.COMPONENT_SCHEMA)
+)
+
+
+async def to_code(config):
+    var = await sensor.new_sensor(config)
+    await cg.register_component(var, config)
+
+    pm_2_5_sensor = await cg.get_variable(config[CONF_PM_2_5])
+    cg.add(var.set_pm_2_5_sensor(pm_2_5_sensor))
+
+    pm_10_0_sensor = await cg.get_variable(config[CONF_PM_10_0])
+    cg.add(var.set_pm_10_0_sensor(pm_10_0_sensor))
+
+    cg.add(var.set_aqi_calculation_type(config[CONF_CALCULATION_TYPE]))

esphome/components/as3935/as3935.cpp

@@ -305,12 +305,14 @@ bool AS3935Component::calibrate_oscillator() {
 }
 
 void AS3935Component::tune_antenna() {
-  ESP_LOGI(TAG, "Starting antenna tuning");
   uint8_t div_ratio = this->read_div_ratio();
   uint8_t tune_val = this->read_capacitance();
-  ESP_LOGI(TAG, "Division Ratio is set to: %d", div_ratio);
-  ESP_LOGI(TAG, "Internal Capacitor is set to: %d", tune_val);
-  ESP_LOGI(TAG, "Displaying oscillator on INT pin. Measure its frequency - multiply value by Division Ratio");
+  ESP_LOGI(TAG,
+           "Starting antenna tuning\n"
+           "Division Ratio is set to: %d\n"
+           "Internal Capacitor is set to: %d\n"
+           "Displaying oscillator on INT pin. Measure its frequency - multiply value by Division Ratio",
+           div_ratio, tune_val);
   this->display_oscillator(true, ANTFREQ);
 }
 

esphome/components/async_tcp/__init__.py

@@ -1,37 +1,50 @@
-# Dummy integration to allow relying on AsyncTCP
+# Async TCP client support for all platforms
 import esphome.codegen as cg
 import esphome.config_validation as cv
-from esphome.const import (
-    PLATFORM_BK72XX,
-    PLATFORM_ESP32,
-    PLATFORM_ESP8266,
-    PLATFORM_LN882X,
-    PLATFORM_RTL87XX,
-)
 from esphome.core import CORE, CoroPriority, coroutine_with_priority
 
 CODEOWNERS = ["@esphome/core"]
+DEPENDENCIES = ["network"]
 
-CONFIG_SCHEMA = cv.All(
-    cv.Schema({}),
-    cv.only_with_arduino,
-    cv.only_on(
-        [
-            PLATFORM_ESP32,
-            PLATFORM_ESP8266,
-            PLATFORM_BK72XX,
-            PLATFORM_LN882X,
-            PLATFORM_RTL87XX,
-        ]
-    ),
-)
+
+def AUTO_LOAD() -> list[str]:
+    # Socket component needed for platforms using socket-based implementation
+    # ESP32, ESP8266, RP2040, and LibreTiny use AsyncTCP libraries, others use sockets
+    if (
+        not CORE.is_esp32
+        and not CORE.is_esp8266
+        and not CORE.is_rp2040
+        and not CORE.is_libretiny
+    ):
+        return ["socket"]
+    return []
+
+
+# Support all platforms - Arduino/ESP-IDF get libraries, other platforms use socket implementation
+CONFIG_SCHEMA = cv.Schema({})
 
 
 @coroutine_with_priority(CoroPriority.NETWORK_TRANSPORT)
 async def to_code(config):
-    if CORE.is_esp32 or CORE.is_libretiny:
+    if CORE.is_esp32:
+        # https://github.com/ESP32Async/AsyncTCP
+        from esphome.components.esp32 import add_idf_component
+
+        add_idf_component(name="esp32async/asynctcp", ref="3.4.91")
+    elif CORE.is_libretiny:
         # https://github.com/ESP32Async/AsyncTCP
         cg.add_library("ESP32Async/AsyncTCP", "3.4.5")
     elif CORE.is_esp8266:
         # https://github.com/ESP32Async/ESPAsyncTCP
         cg.add_library("ESP32Async/ESPAsyncTCP", "2.0.0")
+    elif CORE.is_rp2040:
+        # https://github.com/khoih-prog/AsyncTCP_RP2040W
+        cg.add_library("khoih-prog/AsyncTCP_RP2040W", "1.2.0")
+    # Other platforms (host, etc) use socket-based implementation
+
+
+def FILTER_SOURCE_FILES() -> list[str]:
+    # Exclude socket implementation for platforms that use AsyncTCP libraries
+    if CORE.is_esp32 or CORE.is_esp8266 or CORE.is_rp2040 or CORE.is_libretiny:
+        return ["async_tcp_socket.cpp"]
+    return []

esphome/components/async_tcp/async_tcp.h

@@ -0,0 +1,16 @@
+#pragma once
+#include "esphome/core/defines.h"
+
+#if defined(USE_ESP32) || defined(USE_LIBRETINY)
+// Use AsyncTCP library for ESP32 (Arduino or ESP-IDF) and LibreTiny
+#include <AsyncTCP.h>
+#elif defined(USE_ESP8266)
+// Use ESPAsyncTCP library for ESP8266 (always Arduino)
+#include <ESPAsyncTCP.h>
+#elif defined(USE_RP2040)
+// Use AsyncTCP_RP2040W library for RP2040
+#include <AsyncTCP_RP2040W.h>
+#else
+// Use socket-based implementation for other platforms
+#include "async_tcp_socket.h"
+#endif

esphome/components/async_tcp/async_tcp_socket.cpp

@@ -0,0 +1,162 @@
+#include "async_tcp_socket.h"
+
+#if !defined(USE_ESP32) && !defined(USE_ESP8266) && !defined(USE_RP2040) && !defined(USE_LIBRETINY) && \
+    (defined(USE_SOCKET_IMPL_LWIP_SOCKETS) || defined(USE_SOCKET_IMPL_BSD_SOCKETS))
+
+#include "esphome/components/network/util.h"
+#include "esphome/core/log.h"
+#include <cerrno>
+#include <sys/select.h>
+
+namespace esphome::async_tcp {
+
+static const char *const TAG = "async_tcp";
+
+// Read buffer size matches TCP MSS (1500 MTU - 40 bytes IP/TCP headers).
+// This implementation only runs on ESP-IDF and host which have ample stack.
+static constexpr size_t READ_BUFFER_SIZE = 1460;
+
+bool AsyncClient::connect(const char *host, uint16_t port) {
+  if (connected_ || connecting_) {
+    ESP_LOGW(TAG, "Already connected/connecting");
+    return false;
+  }
+
+  // Resolve address
+  struct sockaddr_storage addr;
+  socklen_t addrlen = esphome::socket::set_sockaddr((struct sockaddr *) &addr, sizeof(addr), host, port);
+  if (addrlen == 0) {
+    ESP_LOGE(TAG, "Invalid address: %s", host);
+    if (error_cb_)
+      error_cb_(error_arg_, this, -1);
+    return false;
+  }
+
+  // Create socket with loop monitoring
+  int family = ((struct sockaddr *) &addr)->sa_family;
+  socket_ = esphome::socket::socket_loop_monitored(family, SOCK_STREAM, IPPROTO_TCP);
+  if (!socket_) {
+    ESP_LOGE(TAG, "Failed to create socket");
+    if (error_cb_)
+      error_cb_(error_arg_, this, -1);
+    return false;
+  }
+
+  socket_->setblocking(false);
+
+  int err = socket_->connect((struct sockaddr *) &addr, addrlen);
+  if (err == 0) {
+    // Connection succeeded immediately (rare, but possible for localhost)
+    connected_ = true;
+    if (connect_cb_)
+      connect_cb_(connect_arg_, this);
+    return true;
+  }
+  if (errno != EINPROGRESS) {
+    ESP_LOGE(TAG, "Connect failed: %d", errno);
+    close();
+    if (error_cb_)
+      error_cb_(error_arg_, this, errno);
+    return false;
+  }
+
+  connecting_ = true;
+  return true;
+}
+
+void AsyncClient::close() {
+  socket_.reset();
+  bool was_connected = connected_;
+  connected_ = false;
+  connecting_ = false;
+  if (was_connected && disconnect_cb_)
+    disconnect_cb_(disconnect_arg_, this);
+}
+
+size_t AsyncClient::write(const char *data, size_t len) {
+  if (!socket_ || !connected_)
+    return 0;
+
+  ssize_t sent = socket_->write(data, len);
+  if (sent < 0) {
+    if (errno != EAGAIN && errno != EWOULDBLOCK) {
+      ESP_LOGE(TAG, "Write error: %d", errno);
+      close();
+      if (error_cb_)
+        error_cb_(error_arg_, this, errno);
+    }
+    return 0;
+  }
+  return sent;
+}
+
+void AsyncClient::loop() {
+  if (!socket_)
+    return;
+
+  if (connecting_) {
+    // For connecting, we need to check writability, not readability
+    // The Application's select() only monitors read FDs, so we do our own check here
+    // For ESP platforms lwip_select() might be faster, but this code isn't used
+    // on those platforms anyway. If it was, we'd fix the Application select()
+    // to report writability instead of doing it this way.
+    int fd = socket_->get_fd();
+    if (fd < 0) {
+      ESP_LOGW(TAG, "Invalid socket fd");
+      close();
+      return;
+    }
+
+    fd_set writefds;
+    FD_ZERO(&writefds);
+    FD_SET(fd, &writefds);
+
+    struct timeval tv = {0, 0};
+    int ret = select(fd + 1, nullptr, &writefds, nullptr, &tv);
+
+    if (ret > 0 && FD_ISSET(fd, &writefds)) {
+      int error = 0;
+      socklen_t len = sizeof(error);
+      if (socket_->getsockopt(SOL_SOCKET, SO_ERROR, &error, &len) == 0 && error == 0) {
+        connecting_ = false;
+        connected_ = true;
+        if (connect_cb_)
+          connect_cb_(connect_arg_, this);
+      } else {
+        ESP_LOGW(TAG, "Connection failed: %d", error);
+        close();
+        if (error_cb_)
+          error_cb_(error_arg_, this, error);
+      }
+    } else if (ret < 0) {
+      ESP_LOGE(TAG, "Select error: %d", errno);
+      close();
+      if (error_cb_)
+        error_cb_(error_arg_, this, errno);
+    }
+  } else if (connected_) {
+    // For connected sockets, use the Application's select() results
+    if (!socket_->ready())
+      return;
+
+    uint8_t buf[READ_BUFFER_SIZE];
+    ssize_t len = socket_->read(buf, READ_BUFFER_SIZE);
+
+    if (len == 0) {
+      ESP_LOGI(TAG, "Connection closed by peer");
+      close();
+    } else if (len > 0) {
+      if (data_cb_)
+        data_cb_(data_arg_, this, buf, len);
+    } else if (errno != EAGAIN && errno != EWOULDBLOCK) {
+      ESP_LOGW(TAG, "Read error: %d", errno);
+      close();
+      if (error_cb_)
+        error_cb_(error_arg_, this, errno);
+    }
+  }
+}
+
+}  // namespace esphome::async_tcp
+
+#endif

esphome/components/async_tcp/async_tcp_socket.h

@@ -0,0 +1,73 @@
+#pragma once
+
+#include "esphome/core/defines.h"
+
+#if !defined(USE_ESP32) && !defined(USE_ESP8266) && !defined(USE_RP2040) && !defined(USE_LIBRETINY) && \
+    (defined(USE_SOCKET_IMPL_LWIP_SOCKETS) || defined(USE_SOCKET_IMPL_BSD_SOCKETS))
+
+#include "esphome/components/socket/socket.h"
+#include <functional>
+#include <memory>
+#include <string>
+#include <utility>
+
+namespace esphome::async_tcp {
+
+/// AsyncClient API for platforms using sockets (ESP-IDF, host, etc.)
+/// NOTE: This class is NOT thread-safe. All methods must be called from the main loop.
+class AsyncClient {
+ public:
+  using AcConnectHandler = std::function<void(void *, AsyncClient *)>;
+  using AcDataHandler = std::function<void(void *, AsyncClient *, void *data, size_t len)>;
+  using AcErrorHandler = std::function<void(void *, AsyncClient *, int8_t error)>;
+
+  AsyncClient() = default;
+  ~AsyncClient() = default;
+
+  [[nodiscard]] bool connect(const char *host, uint16_t port);
+  void close();
+  [[nodiscard]] bool connected() const { return connected_; }
+  size_t write(const char *data, size_t len);
+
+  void onConnect(AcConnectHandler cb, void *arg = nullptr) {  // NOLINT(readability-identifier-naming)
+    connect_cb_ = std::move(cb);
+    connect_arg_ = arg;
+  }
+  void onDisconnect(AcConnectHandler cb, void *arg = nullptr) {  // NOLINT(readability-identifier-naming)
+    disconnect_cb_ = std::move(cb);
+    disconnect_arg_ = arg;
+  }
+  /// Set data callback. NOTE: data pointer is only valid during callback execution.
+  void onData(AcDataHandler cb, void *arg = nullptr) {  // NOLINT(readability-identifier-naming)
+    data_cb_ = std::move(cb);
+    data_arg_ = arg;
+  }
+  void onError(AcErrorHandler cb, void *arg = nullptr) {  // NOLINT(readability-identifier-naming)
+    error_cb_ = std::move(cb);
+    error_arg_ = arg;
+  }
+
+  // Must be called from loop()
+  void loop();
+
+ private:
+  std::unique_ptr<esphome::socket::Socket> socket_;
+
+  AcConnectHandler connect_cb_{nullptr};
+  void *connect_arg_{nullptr};
+  AcConnectHandler disconnect_cb_{nullptr};
+  void *disconnect_arg_{nullptr};
+  AcDataHandler data_cb_{nullptr};
+  void *data_arg_{nullptr};
+  AcErrorHandler error_cb_{nullptr};
+  void *error_arg_{nullptr};
+
+  bool connected_{false};
+  bool connecting_{false};
+};
+
+}  // namespace esphome::async_tcp
+
+// Expose AsyncClient in global namespace to match library behavior
+using esphome::async_tcp::AsyncClient;  // NOLINT(google-global-names-in-headers)
+#endif

esphome/components/atc_mithermometer/atc_mithermometer.cpp

@@ -21,7 +21,9 @@ bool ATCMiThermometer::parse_device(const esp32_ble_tracker::ESPBTDevice &device
     ESP_LOGVV(TAG, "parse_device(): unknown MAC address.");
     return false;
   }
-  ESP_LOGVV(TAG, "parse_device(): MAC address %s found.", device.address_str().c_str());
+  char addr_buf[MAC_ADDRESS_PRETTY_BUFFER_SIZE];
+  const char *addr_str = device.address_str_to(addr_buf);
+  ESP_LOGVV(TAG, "parse_device(): MAC address %s found.", addr_str);
 
   bool success = false;
   for (auto &service_data : device.get_service_datas()) {
@@ -32,7 +34,7 @@ bool ATCMiThermometer::parse_device(const esp32_ble_tracker::ESPBTDevice &device
     if (!(parse_message_(service_data.data, *res))) {
       continue;
     }
-    if (!(report_results_(res, device.address_str()))) {
+    if (!(report_results_(res, addr_str))) {
       continue;
     }
     if (res->temperature.has_value() && this->temperature_ != nullptr)
@@ -103,13 +105,13 @@ bool ATCMiThermometer::parse_message_(const std::vector<uint8_t> &message, Parse
   return true;
 }
 
-bool ATCMiThermometer::report_results_(const optional<ParseResult> &result, const std::string &address) {
+bool ATCMiThermometer::report_results_(const optional<ParseResult> &result, const char *address) {
   if (!result.has_value()) {
     ESP_LOGVV(TAG, "report_results(): no results available.");
     return false;
   }
 
-  ESP_LOGD(TAG, "Got ATC MiThermometer (%s):", address.c_str());
+  ESP_LOGD(TAG, "Got ATC MiThermometer (%s):", address);
 
   if (result->temperature.has_value()) {
     ESP_LOGD(TAG, "  Temperature: %.1f °C", *result->temperature);

esphome/components/atc_mithermometer/atc_mithermometer.h

@@ -41,7 +41,7 @@ class ATCMiThermometer : public Component, public esp32_ble_tracker::ESPBTDevice
 
   optional<ParseResult> parse_header_(const esp32_ble_tracker::ServiceData &service_data);
   bool parse_message_(const std::vector<uint8_t> &message, ParseResult &result);
-  bool report_results_(const optional<ParseResult> &result, const std::string &address);
+  bool report_results_(const optional<ParseResult> &result, const char *address);
 };
 
 }  // namespace atc_mithermometer

esphome/components/audio/audio_reader.cpp

@@ -1,6 +1,6 @@
 #include "audio_reader.h"
 
-#ifdef USE_ESP_IDF
+#ifdef USE_ESP32
 
 #include "esphome/core/defines.h"
 #include "esphome/core/hal.h"

esphome/components/audio/audio_reader.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#ifdef USE_ESP_IDF
+#ifdef USE_ESP32
 
 #include "audio.h"
 #include "audio_transfer_buffer.h"

esphome/components/b_parasite/b_parasite.cpp

@@ -22,7 +22,8 @@ bool BParasite::parse_device(const esp32_ble_tracker::ESPBTDevice &device) {
     ESP_LOGVV(TAG, "parse_device(): unknown MAC address.");
     return false;
   }
-  ESP_LOGVV(TAG, "parse_device(): MAC address %s found.", device.address_str().c_str());
+  char addr_buf[MAC_ADDRESS_PRETTY_BUFFER_SIZE];
+  ESP_LOGVV(TAG, "parse_device(): MAC address %s found.", device.address_str_to(addr_buf));
   const auto &service_datas = device.get_service_datas();
   if (service_datas.size() != 1) {
     ESP_LOGE(TAG, "Unexpected service_datas size (%d)", service_datas.size());

esphome/components/bedjet/bedjet_hub.cpp

@@ -193,8 +193,9 @@ bool BedJetHub::discover_characteristics_() {
       result = false;
     } else if (descr->uuid.get_uuid().len != ESP_UUID_LEN_16 ||
                descr->uuid.get_uuid().uuid.uuid16 != ESP_GATT_UUID_CHAR_CLIENT_CONFIG) {
+      char uuid_buf[espbt::UUID_STR_LEN];
       ESP_LOGW(TAG, "Config descriptor 0x%x (uuid %s) is not a client config char uuid", this->char_handle_status_,
-               descr->uuid.to_string().c_str());
+               descr->uuid.to_str(uuid_buf));
       result = false;
     } else {
       this->config_descr_status_ = descr->handle;
@@ -216,11 +217,14 @@ bool BedJetHub::discover_characteristics_() {
     }
   }
 
-  ESP_LOGI(TAG, "[%s] Discovered service characteristics: ", this->get_name().c_str());
-  ESP_LOGI(TAG, "     - Command char: 0x%x", this->char_handle_cmd_);
-  ESP_LOGI(TAG, "     - Status char: 0x%x", this->char_handle_status_);
-  ESP_LOGI(TAG, "       - config descriptor: 0x%x", this->config_descr_status_);
-  ESP_LOGI(TAG, "     - Name char: 0x%x", this->char_handle_name_);
+  ESP_LOGI(TAG,
+           "[%s] Discovered service characteristics:\n"
+           "     - Command char: 0x%x\n"
+           "     - Status char: 0x%x\n"
+           "       - config descriptor: 0x%x\n"
+           "     - Name char: 0x%x",
+           this->get_name().c_str(), this->char_handle_cmd_, this->char_handle_status_, this->config_descr_status_,
+           this->char_handle_name_);
 
   return result;
 }

esphome/components/binary_sensor/__init__.py

@@ -3,7 +3,7 @@ from logging import getLogger
 from esphome import automation, core
 from esphome.automation import Condition, maybe_simple_id
 import esphome.codegen as cg
-from esphome.components import mqtt, web_server
+from esphome.components import mqtt, web_server, zigbee
 from esphome.components.const import CONF_ON_STATE_CHANGE
 import esphome.config_validation as cv
 from esphome.const import (
@@ -439,6 +439,7 @@ def validate_publish_initial_state(value):
 _BINARY_SENSOR_SCHEMA = (
     cv.ENTITY_BASE_SCHEMA.extend(web_server.WEBSERVER_SORTING_SCHEMA)
     .extend(cv.MQTT_COMPONENT_SCHEMA)
+    .extend(zigbee.BINARY_SENSOR_SCHEMA)
     .extend(
         {
             cv.GenerateID(): cv.declare_id(BinarySensor),
@@ -520,6 +521,7 @@ _BINARY_SENSOR_SCHEMA = (
 
 
 _BINARY_SENSOR_SCHEMA.add_extra(entity_duplicate_validator("binary_sensor"))
+_BINARY_SENSOR_SCHEMA.add_extra(zigbee.validate_binary_sensor)
 
 
 def binary_sensor_schema(
@@ -621,6 +623,8 @@ async def setup_binary_sensor_core_(var, config):
     if web_server_config := config.get(CONF_WEB_SERVER):
         await web_server.add_entity_config(var, web_server_config)
 
+    await zigbee.setup_binary_sensor(var, config)
+
 
 async def register_binary_sensor(var, config):
     if not CORE.has_id(config[CONF_ID]):

esphome/components/binary_sensor/automation.cpp

@@ -21,8 +21,10 @@ void MultiClickTrigger::on_state_(bool state) {
     // Start matching
     MultiClickTriggerEvent evt = this->timing_[0];
     if (evt.state == state) {
-      ESP_LOGV(TAG, "START min=%" PRIu32 " max=%" PRIu32, evt.min_length, evt.max_length);
-      ESP_LOGV(TAG, "Multi Click: Starting multi click action!");
+      ESP_LOGV(TAG,
+               "START min=%" PRIu32 " max=%" PRIu32 "\n"
+               "Multi Click: Starting multi click action!",
+               evt.min_length, evt.max_length);
       this->at_index_ = 1;
       if (this->timing_.size() == 1 && evt.max_length == 4294967294UL) {
         this->set_timeout("trigger", evt.min_length, [this]() { this->trigger_(); });

esphome/components/ble_client/automation.h

@@ -7,8 +7,12 @@
 
 #include "esphome/core/automation.h"
 #include "esphome/components/ble_client/ble_client.h"
+#include "esphome/core/helpers.h"
 #include "esphome/core/log.h"
 
+// Maximum bytes to log in hex format for BLE writes (many logging buffers are 256 chars)
+static constexpr size_t BLE_WRITE_MAX_LOG_BYTES = 64;
+
 namespace esphome::ble_client {
 
 // placeholder class for static TAG .
@@ -151,7 +155,10 @@ template<typename... Ts> class BLEClientWriteAction : public Action<Ts...>, publ
       esph_log_w(Automation::TAG, "Cannot write to BLE characteristic - not connected");
       return false;
     }
-    esph_log_vv(Automation::TAG, "Will write %d bytes: %s", len, format_hex_pretty(data, len).c_str());
+#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERY_VERBOSE
+    char hex_buf[format_hex_pretty_size(BLE_WRITE_MAX_LOG_BYTES)];
+    esph_log_vv(Automation::TAG, "Will write %d bytes: %s", len, format_hex_pretty_to(hex_buf, data, len));
+#endif
     esp_err_t err =
         esp_ble_gattc_write_char(this->parent()->get_gattc_if(), this->parent()->get_conn_id(), this->char_handle_, len,
                                  const_cast<uint8_t *>(data), this->write_type_, ESP_GATT_AUTH_REQ_NONE);
@@ -179,8 +186,10 @@ template<typename... Ts> class BLEClientWriteAction : public Action<Ts...>, publ
       case ESP_GATTC_SEARCH_CMPL_EVT: {
         auto *chr = this->parent()->get_characteristic(this->service_uuid_, this->char_uuid_);
         if (chr == nullptr) {
+          char char_buf[esp32_ble::UUID_STR_LEN];
+          char service_buf[esp32_ble::UUID_STR_LEN];
           esph_log_w("ble_write_action", "Characteristic %s was not found in service %s",
-                     this->char_uuid_.to_string().c_str(), this->service_uuid_.to_string().c_str());
+                     this->char_uuid_.to_str(char_buf), this->service_uuid_.to_str(service_buf));
           break;
         }
         this->char_handle_ = chr->handle;
@@ -192,11 +201,13 @@ template<typename... Ts> class BLEClientWriteAction : public Action<Ts...>, publ
           this->write_type_ = ESP_GATT_WRITE_TYPE_NO_RSP;
           esph_log_d(Automation::TAG, "Write type: ESP_GATT_WRITE_TYPE_NO_RSP");
         } else {
-          esph_log_e(Automation::TAG, "Characteristic %s does not allow writing", this->char_uuid_.to_string().c_str());
+          char char_buf[esp32_ble::UUID_STR_LEN];
+          esph_log_e(Automation::TAG, "Characteristic %s does not allow writing", this->char_uuid_.to_str(char_buf));
           break;
         }
         this->node_state = espbt::ClientState::ESTABLISHED;
-        esph_log_d(Automation::TAG, "Found characteristic %s on device %s", this->char_uuid_.to_string().c_str(),
+        char char_buf[esp32_ble::UUID_STR_LEN];
+        esph_log_d(Automation::TAG, "Found characteristic %s on device %s", this->char_uuid_.to_str(char_buf),
                    ble_client_->address_str());
         break;
       }

esphome/components/ble_client/output/ble_binary_output.cpp

@@ -9,12 +9,15 @@ static const char *const TAG = "ble_binary_output";
 
 void BLEBinaryOutput::dump_config() {
   ESP_LOGCONFIG(TAG, "BLE Binary Output:");
+  char service_buf[esp32_ble::UUID_STR_LEN];
+  char char_buf[esp32_ble::UUID_STR_LEN];
+  this->service_uuid_.to_str(service_buf);
+  this->char_uuid_.to_str(char_buf);
   ESP_LOGCONFIG(TAG,
                 "  MAC address        : %s\n"
                 "  Service UUID       : %s\n"
                 "  Characteristic UUID: %s",
-                this->parent_->address_str(), this->service_uuid_.to_string().c_str(),
-                this->char_uuid_.to_string().c_str());
+                this->parent_->address_str(), service_buf, char_buf);
   LOG_BINARY_OUTPUT(this);
 }
 
@@ -24,8 +27,10 @@ void BLEBinaryOutput::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_i
     case ESP_GATTC_SEARCH_CMPL_EVT: {
       auto *chr = this->parent()->get_characteristic(this->service_uuid_, this->char_uuid_);
       if (chr == nullptr) {
-        ESP_LOGW(TAG, "Characteristic %s was not found in service %s", this->char_uuid_.to_string().c_str(),
-                 this->service_uuid_.to_string().c_str());
+        char char_buf[esp32_ble::UUID_STR_LEN];
+        char service_buf[esp32_ble::UUID_STR_LEN];
+        ESP_LOGW(TAG, "Characteristic %s was not found in service %s", this->char_uuid_.to_str(char_buf),
+                 this->service_uuid_.to_str(service_buf));
         break;
       }
       this->char_handle_ = chr->handle;
@@ -37,20 +42,24 @@ void BLEBinaryOutput::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_i
         this->write_type_ = ESP_GATT_WRITE_TYPE_NO_RSP;
         ESP_LOGD(TAG, "Write type: ESP_GATT_WRITE_TYPE_NO_RSP");
       } else {
-        ESP_LOGE(TAG, "Characteristic %s does not allow writing with%s response", this->char_uuid_.to_string().c_str(),
+        char char_buf[esp32_ble::UUID_STR_LEN];
+        ESP_LOGE(TAG, "Characteristic %s does not allow writing with%s response", this->char_uuid_.to_str(char_buf),
                  this->require_response_ ? "" : "out");
         break;
       }
       this->node_state = espbt::ClientState::ESTABLISHED;
-      ESP_LOGD(TAG, "Found characteristic %s on device %s", this->char_uuid_.to_string().c_str(),
+      char char_buf[esp32_ble::UUID_STR_LEN];
+      ESP_LOGD(TAG, "Found characteristic %s on device %s", this->char_uuid_.to_str(char_buf),
                this->parent()->address_str());
       this->node_state = espbt::ClientState::ESTABLISHED;
       break;
     }
     case ESP_GATTC_WRITE_CHAR_EVT: {
       if (param->write.handle == this->char_handle_) {
-        if (param->write.status != 0)
-          ESP_LOGW(TAG, "[%s] Write error, status=%d", this->char_uuid_.to_string().c_str(), param->write.status);
+        if (param->write.status != 0) {
+          char char_buf[esp32_ble::UUID_STR_LEN];
+          ESP_LOGW(TAG, "[%s] Write error, status=%d", this->char_uuid_.to_str(char_buf), param->write.status);
+        }
       }
       break;
     }
@@ -60,18 +69,19 @@ void BLEBinaryOutput::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_i
 }
 
 void BLEBinaryOutput::write_state(bool state) {
+  char char_buf[esp32_ble::UUID_STR_LEN];
   if (this->node_state != espbt::ClientState::ESTABLISHED) {
     ESP_LOGW(TAG, "[%s] Not connected to BLE client.  State update can not be written.",
-             this->char_uuid_.to_string().c_str());
+             this->char_uuid_.to_str(char_buf));
     return;
   }
   uint8_t state_as_uint = (uint8_t) state;
-  ESP_LOGV(TAG, "[%s] Write State: %d", this->char_uuid_.to_string().c_str(), state_as_uint);
+  ESP_LOGV(TAG, "[%s] Write State: %d", this->char_uuid_.to_str(char_buf), state_as_uint);
   esp_err_t err =
       esp_ble_gattc_write_char(this->parent()->get_gattc_if(), this->parent()->get_conn_id(), this->char_handle_,
                                sizeof(state_as_uint), &state_as_uint, this->write_type_, ESP_GATT_AUTH_REQ_NONE);
   if (err != ESP_GATT_OK)
-    ESP_LOGW(TAG, "[%s] Write error, err=%d", this->char_uuid_.to_string().c_str(), err);
+    ESP_LOGW(TAG, "[%s] Write error, err=%d", this->char_uuid_.to_str(char_buf), err);
 }
 
 }  // namespace esphome::ble_client

esphome/components/ble_client/sensor/ble_sensor.cpp

@@ -18,14 +18,17 @@ void BLESensor::loop() {
 
 void BLESensor::dump_config() {
   LOG_SENSOR("", "BLE Sensor", this);
+  char service_buf[esp32_ble::UUID_STR_LEN];
+  char char_buf[esp32_ble::UUID_STR_LEN];
+  char descr_buf[esp32_ble::UUID_STR_LEN];
   ESP_LOGCONFIG(TAG,
                 "  MAC address        : %s\n"
                 "  Service UUID       : %s\n"
                 "  Characteristic UUID: %s\n"
                 "  Descriptor UUID    : %s\n"
                 "  Notifications      : %s",
-                this->parent()->address_str(), this->service_uuid_.to_string().c_str(),
-                this->char_uuid_.to_string().c_str(), this->descr_uuid_.to_string().c_str(), YESNO(this->notify_));
+                this->parent()->address_str(), this->service_uuid_.to_str(service_buf),
+                this->char_uuid_.to_str(char_buf), this->descr_uuid_.to_str(descr_buf), YESNO(this->notify_));
   LOG_UPDATE_INTERVAL(this);
 }
 
@@ -51,8 +54,10 @@ void BLESensor::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_t ga
       if (chr == nullptr) {
         this->status_set_warning();
         this->publish_state(NAN);
-        ESP_LOGW(TAG, "No sensor characteristic found at service %s char %s", this->service_uuid_.to_string().c_str(),
-                 this->char_uuid_.to_string().c_str());
+        char service_buf[esp32_ble::UUID_STR_LEN];
+        char char_buf[esp32_ble::UUID_STR_LEN];
+        ESP_LOGW(TAG, "No sensor characteristic found at service %s char %s", this->service_uuid_.to_str(service_buf),
+                 this->char_uuid_.to_str(char_buf));
         break;
       }
       this->handle = chr->handle;
@@ -61,9 +66,12 @@ void BLESensor::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_t ga
         if (descr == nullptr) {
           this->status_set_warning();
           this->publish_state(NAN);
+          char service_buf[esp32_ble::UUID_STR_LEN];
+          char char_buf[esp32_ble::UUID_STR_LEN];
+          char descr_buf[esp32_ble::UUID_STR_LEN];
           ESP_LOGW(TAG, "No sensor descriptor found at service %s char %s descr %s",
-                   this->service_uuid_.to_string().c_str(), this->char_uuid_.to_string().c_str(),
-                   this->descr_uuid_.to_string().c_str());
+                   this->service_uuid_.to_str(service_buf), this->char_uuid_.to_str(char_buf),
+                   this->descr_uuid_.to_str(descr_buf));
           break;
         }
         this->handle = descr->handle;
@@ -109,7 +117,8 @@ void BLESensor::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_t ga
           break;
         }
         this->node_state = espbt::ClientState::ESTABLISHED;
-        ESP_LOGD(TAG, "Register for notify on %s complete", this->char_uuid_.to_string().c_str());
+        char char_buf[esp32_ble::UUID_STR_LEN];
+        ESP_LOGD(TAG, "Register for notify on %s complete", this->char_uuid_.to_str(char_buf));
       }
       break;
     }

esphome/components/ble_client/text_sensor/automation.h

@@ -21,7 +21,7 @@ class BLETextSensorNotifyTrigger : public Trigger<std::string>, public BLETextSe
         if (param->notify.conn_id != this->sensor_->parent()->get_conn_id() ||
             param->notify.handle != this->sensor_->handle)
           break;
-        this->trigger(this->sensor_->parse_data(param->notify.value, param->notify.value_len));
+        this->trigger(std::string(reinterpret_cast<const char *>(param->notify.value), param->notify.value_len));
       }
       default:
         break;

esphome/components/ble_client/text_sensor/ble_text_sensor.cpp

@@ -11,8 +11,6 @@ namespace esphome::ble_client {
 
 static const char *const TAG = "ble_text_sensor";
 
-static const std::string EMPTY = "";
-
 void BLETextSensor::loop() {
   // Parent BLEClientNode has a loop() method, but this component uses
   // polling via update() and BLE callbacks so loop isn't needed
@@ -21,14 +19,17 @@ void BLETextSensor::loop() {
 
 void BLETextSensor::dump_config() {
   LOG_TEXT_SENSOR("", "BLE Text Sensor", this);
+  char service_buf[esp32_ble::UUID_STR_LEN];
+  char char_buf[esp32_ble::UUID_STR_LEN];
+  char descr_buf[esp32_ble::UUID_STR_LEN];
   ESP_LOGCONFIG(TAG,
                 "  MAC address        : %s\n"
                 "  Service UUID       : %s\n"
                 "  Characteristic UUID: %s\n"
                 "  Descriptor UUID    : %s\n"
                 "  Notifications      : %s",
-                this->parent()->address_str(), this->service_uuid_.to_string().c_str(),
-                this->char_uuid_.to_string().c_str(), this->descr_uuid_.to_string().c_str(), YESNO(this->notify_));
+                this->parent()->address_str(), this->service_uuid_.to_str(service_buf),
+                this->char_uuid_.to_str(char_buf), this->descr_uuid_.to_str(descr_buf), YESNO(this->notify_));
   LOG_UPDATE_INTERVAL(this);
 }
 
@@ -44,7 +45,7 @@ void BLETextSensor::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_
     }
     case ESP_GATTC_CLOSE_EVT: {
       this->status_set_warning();
-      this->publish_state(EMPTY);
+      this->publish_state("");
       break;
     }
     case ESP_GATTC_SEARCH_CMPL_EVT: {
@@ -52,9 +53,11 @@ void BLETextSensor::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_
       auto *chr = this->parent()->get_characteristic(this->service_uuid_, this->char_uuid_);
       if (chr == nullptr) {
         this->status_set_warning();
-        this->publish_state(EMPTY);
-        ESP_LOGW(TAG, "No sensor characteristic found at service %s char %s", this->service_uuid_.to_string().c_str(),
-                 this->char_uuid_.to_string().c_str());
+        this->publish_state("");
+        char service_buf[esp32_ble::UUID_STR_LEN];
+        char char_buf[esp32_ble::UUID_STR_LEN];
+        ESP_LOGW(TAG, "No sensor characteristic found at service %s char %s", this->service_uuid_.to_str(service_buf),
+                 this->char_uuid_.to_str(char_buf));
         break;
       }
       this->handle = chr->handle;
@@ -62,10 +65,13 @@ void BLETextSensor::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_
         auto *descr = chr->get_descriptor(this->descr_uuid_);
         if (descr == nullptr) {
           this->status_set_warning();
-          this->publish_state(EMPTY);
+          this->publish_state("");
+          char service_buf[esp32_ble::UUID_STR_LEN];
+          char char_buf[esp32_ble::UUID_STR_LEN];
+          char descr_buf[esp32_ble::UUID_STR_LEN];
           ESP_LOGW(TAG, "No sensor descriptor found at service %s char %s descr %s",
-                   this->service_uuid_.to_string().c_str(), this->char_uuid_.to_string().c_str(),
-                   this->descr_uuid_.to_string().c_str());
+                   this->service_uuid_.to_str(service_buf), this->char_uuid_.to_str(char_buf),
+                   this->descr_uuid_.to_str(descr_buf));
           break;
         }
         this->handle = descr->handle;
@@ -91,7 +97,7 @@ void BLETextSensor::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_
           break;
         }
         this->status_clear_warning();
-        this->publish_state(this->parse_data(param->read.value, param->read.value_len));
+        this->publish_state(reinterpret_cast<const char *>(param->read.value), param->read.value_len);
       }
       break;
     }
@@ -100,7 +106,7 @@ void BLETextSensor::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_
         break;
       ESP_LOGV(TAG, "[%s] ESP_GATTC_NOTIFY_EVT: handle=0x%x, value=0x%x", this->get_name().c_str(),
                param->notify.handle, param->notify.value[0]);
-      this->publish_state(this->parse_data(param->notify.value, param->notify.value_len));
+      this->publish_state(reinterpret_cast<const char *>(param->notify.value), param->notify.value_len);
       break;
     }
     case ESP_GATTC_REG_FOR_NOTIFY_EVT: {
@@ -113,11 +119,6 @@ void BLETextSensor::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_
   }
 }
 
-std::string BLETextSensor::parse_data(uint8_t *value, uint16_t value_len) {
-  std::string text(value, value + value_len);
-  return text;
-}
-
 void BLETextSensor::update() {
   if (this->node_state != espbt::ClientState::ESTABLISHED) {
     ESP_LOGW(TAG, "[%s] Cannot poll, not connected", this->get_name().c_str());
@@ -132,7 +133,7 @@ void BLETextSensor::update() {
                                         ESP_GATT_AUTH_REQ_NONE);
   if (status) {
     this->status_set_warning();
-    this->publish_state(EMPTY);
+    this->publish_state("");
     ESP_LOGW(TAG, "[%s] Error sending read request for sensor, status=%d", this->get_name().c_str(), status);
   }
 }

esphome/components/ble_client/text_sensor/ble_text_sensor.h

@@ -29,7 +29,6 @@ class BLETextSensor : public text_sensor::TextSensor, public PollingComponent, p
   void set_descr_uuid32(uint32_t uuid) { this->descr_uuid_ = espbt::ESPBTUUID::from_uint32(uuid); }
   void set_descr_uuid128(uint8_t *uuid) { this->descr_uuid_ = espbt::ESPBTUUID::from_raw(uuid); }
   void set_enable_notify(bool notify) { this->notify_ = notify; }
-  std::string parse_data(uint8_t *value, uint16_t value_len);
   uint16_t handle;
 
  protected:

esphome/components/ble_nus/ble_nus.cpp

@@ -103,8 +103,10 @@ void BLENUS::on_log(uint8_t level, const char *tag, const char *message, size_t
 #endif
 
 void BLENUS::dump_config() {
-  ESP_LOGCONFIG(TAG, "ble nus:");
-  ESP_LOGCONFIG(TAG, "  log: %s", YESNO(this->expose_log_));
+  ESP_LOGCONFIG(TAG,
+                "ble nus:\n"
+                "  log: %s",
+                YESNO(this->expose_log_));
   uint32_t mtu = 0;
   bt_conn *conn = this->conn_.load();
   if (conn) {

esphome/components/ble_scanner/ble_scanner.h

@@ -1,7 +1,8 @@
 #pragma once
 
+#include <cinttypes>
+#include <cstdio>
 #include <ctime>
-#include <string>
 
 #include "esphome/core/component.h"
 #include "esphome/components/esp32_ble_tracker/esp32_ble_tracker.h"
@@ -15,17 +16,13 @@ namespace ble_scanner {
 class BLEScanner : public text_sensor::TextSensor, public esp32_ble_tracker::ESPBTDeviceListener, public Component {
  public:
   bool parse_device(const esp32_ble_tracker::ESPBTDevice &device) override {
-    this->publish_state("{\"timestamp\":" + to_string(::time(nullptr)) +
-                        ","
-                        "\"address\":\"" +
-                        device.address_str() +
-                        "\","
-                        "\"rssi\":" +
-                        to_string(device.get_rssi()) +
-                        ","
-                        "\"name\":\"" +
-                        device.get_name() + "\"}");
-
+    // Format JSON using stack buffer to avoid heap allocations from string concatenation
+    char buf[128];
+    char addr_buf[MAC_ADDRESS_PRETTY_BUFFER_SIZE];
+    snprintf(buf, sizeof(buf), "{\"timestamp\":%" PRId64 ",\"address\":\"%s\",\"rssi\":%d,\"name\":\"%s\"}",
+             static_cast<int64_t>(::time(nullptr)), device.address_str_to(addr_buf), device.get_rssi(),
+             device.get_name().c_str());
+    this->publish_state(buf);
     return true;
   }
   void dump_config() override;

esphome/components/bme68x_bsec2/sensor.py

@@ -50,6 +50,7 @@ TYPES = [
 
 CONFIG_SCHEMA = cv.Schema(
     {
+        cv.GenerateID(): cv.declare_id(cg.Component),
         cv.GenerateID(CONF_BME68X_BSEC2_ID): cv.use_id(BME68xBSEC2Component),
         cv.Optional(CONF_TEMPERATURE): sensor.sensor_schema(
             unit_of_measurement=UNIT_CELSIUS,

esphome/components/bme68x_bsec2_i2c/bme68x_bsec2_i2c.cpp

@@ -31,7 +31,11 @@ void BME68xBSEC2I2CComponent::dump_config() {
   BME68xBSEC2Component::dump_config();
 }
 
-uint32_t BME68xBSEC2I2CComponent::get_hash() { return fnv1_hash("bme68x_bsec_state_" + to_string(this->address_)); }
+uint32_t BME68xBSEC2I2CComponent::get_hash() {
+  char buf[22];  // "bme68x_bsec_state_" (18) + uint8_t max (3) + null
+  snprintf(buf, sizeof(buf), "bme68x_bsec_state_%u", this->address_);
+  return fnv1_hash(buf);
+}
 
 int8_t BME68xBSEC2I2CComponent::read_bytes_wrapper(uint8_t a_register, uint8_t *data, uint32_t len, void *intfPtr) {
   ESP_LOGVV(TAG, "read_bytes_wrapper: reg = %u", a_register);

esphome/components/bp1658cj/bp1658cj.cpp

@@ -22,13 +22,13 @@ void BP1658CJ::setup() {
   this->pwm_amounts_.resize(5, 0);
 }
 void BP1658CJ::dump_config() {
-  ESP_LOGCONFIG(TAG, "BP1658CJ:");
-  LOG_PIN("  Data Pin: ", this->data_pin_);
-  LOG_PIN("  Clock Pin: ", this->clock_pin_);
   ESP_LOGCONFIG(TAG,
+                "BP1658CJ:\n"
                 "  Color Channels Max Power: %u\n"
                 "  White Channels Max Power: %u",
                 this->max_power_color_channels_, this->max_power_white_channels_);
+  LOG_PIN("  Data Pin: ", this->data_pin_);
+  LOG_PIN("  Clock Pin: ", this->clock_pin_);
 }
 
 void BP1658CJ::loop() {

esphome/components/bthome_mithermometer/__init__.py

@@ -0,0 +1,36 @@
+import esphome.codegen as cg
+from esphome.components import esp32_ble_tracker
+import esphome.config_validation as cv
+from esphome.const import CONF_ID, CONF_MAC_ADDRESS
+
+CODEOWNERS = ["@nagyrobi"]
+DEPENDENCIES = ["esp32_ble_tracker"]
+
+BLE_DEVICE_SCHEMA = esp32_ble_tracker.ESP_BLE_DEVICE_SCHEMA
+
+bthome_mithermometer_ns = cg.esphome_ns.namespace("bthome_mithermometer")
+BTHomeMiThermometer = bthome_mithermometer_ns.class_(
+    "BTHomeMiThermometer", esp32_ble_tracker.ESPBTDeviceListener, cg.Component
+)
+
+
+def bthome_mithermometer_base_schema(extra_schema=None):
+    if extra_schema is None:
+        extra_schema = {}
+    return (
+        cv.Schema(
+            {
+                cv.GenerateID(CONF_ID): cv.declare_id(BTHomeMiThermometer),
+                cv.Required(CONF_MAC_ADDRESS): cv.mac_address,
+            }
+        )
+        .extend(BLE_DEVICE_SCHEMA)
+        .extend(cv.COMPONENT_SCHEMA)
+        .extend(extra_schema)
+    )
+
+
+async def setup_bthome_mithermometer(var, config):
+    await cg.register_component(var, config)
+    await esp32_ble_tracker.register_ble_device(var, config)
+    cg.add(var.set_address(config[CONF_MAC_ADDRESS].as_hex))

esphome/components/bthome_mithermometer/bthome_ble.cpp

@@ -0,0 +1,300 @@
+#include "bthome_ble.h"
+
+#include "esphome/core/helpers.h"
+#include "esphome/core/log.h"
+
+#include <array>
+#include <span>
+
+#ifdef USE_ESP32
+
+namespace esphome {
+namespace bthome_mithermometer {
+
+static const char *const TAG = "bthome_mithermometer";
+
+static const char *format_mac_address(std::span<char, MAC_ADDRESS_PRETTY_BUFFER_SIZE> buffer, uint64_t address) {
+  std::array<uint8_t, MAC_ADDRESS_SIZE> mac{};
+  for (size_t i = 0; i < MAC_ADDRESS_SIZE; i++) {
+    mac[i] = (address >> ((MAC_ADDRESS_SIZE - 1 - i) * 8)) & 0xFF;
+  }
+
+  format_mac_addr_upper(mac.data(), buffer.data());
+  return buffer.data();
+}
+
+static bool get_bthome_value_length(uint8_t obj_type, size_t &value_length) {
+  switch (obj_type) {
+    case 0x00:  // packet id
+    case 0x01:  // battery
+    case 0x09:  // count (uint8)
+    case 0x0F:  // generic boolean
+    case 0x10:  // power (bool)
+    case 0x11:  // opening
+    case 0x15:  // battery low
+    case 0x16:  // battery charging
+    case 0x17:  // carbon monoxide
+    case 0x18:  // cold
+    case 0x19:  // connectivity
+    case 0x1A:  // door
+    case 0x1B:  // garage door
+    case 0x1C:  // gas
+    case 0x1D:  // heat
+    case 0x1E:  // light
+    case 0x1F:  // lock
+    case 0x20:  // moisture
+    case 0x21:  // motion
+    case 0x22:  // moving
+    case 0x23:  // occupancy
+    case 0x24:  // plug
+    case 0x25:  // presence
+    case 0x26:  // problem
+    case 0x27:  // running
+    case 0x28:  // safety
+    case 0x29:  // smoke
+    case 0x2A:  // sound
+    case 0x2B:  // tamper
+    case 0x2C:  // vibration
+    case 0x2D:  // water leak
+    case 0x2E:  // humidity (uint8)
+    case 0x2F:  // moisture (uint8)
+    case 0x46:  // UV index
+    case 0x57:  // temperature (sint8)
+    case 0x58:  // temperature (0.35C step)
+    case 0x59:  // count (sint8)
+    case 0x60:  // channel
+      value_length = 1;
+      return true;
+    case 0x02:  // temperature (0.01C)
+    case 0x03:  // humidity
+    case 0x06:  // mass (kg)
+    case 0x07:  // mass (lb)
+    case 0x08:  // dewpoint
+    case 0x0C:  // voltage (mV)
+    case 0x0D:  // pm2.5
+    case 0x0E:  // pm10
+    case 0x12:  // CO2
+    case 0x13:  // TVOC
+    case 0x14:  // moisture
+    case 0x3D:  // count (uint16)
+    case 0x3F:  // rotation
+    case 0x40:  // distance (mm)
+    case 0x41:  // distance (m)
+    case 0x43:  // current (A)
+    case 0x44:  // speed
+    case 0x45:  // temperature (0.1C)
+    case 0x47:  // volume (L)
+    case 0x48:  // volume (mL)
+    case 0x49:  // volume flow rate
+    case 0x4A:  // voltage (0.1V)
+    case 0x51:  // acceleration
+    case 0x52:  // gyroscope
+    case 0x56:  // conductivity
+    case 0x5A:  // count (sint16)
+    case 0x5D:  // current (sint16)
+    case 0x5E:  // direction
+    case 0x5F:  // precipitation
+    case 0x61:  // rotational speed
+    case 0xF0:  // button event
+      value_length = 2;
+      return true;
+    case 0x04:  // pressure
+    case 0x05:  // illuminance
+    case 0x0A:  // energy
+    case 0x0B:  // power
+    case 0x42:  // duration
+    case 0x4B:  // gas (uint24)
+    case 0xF2:  // firmware version (uint24)
+      value_length = 3;
+      return true;
+    case 0x3E:  // count (uint32)
+    case 0x4C:  // gas (uint32)
+    case 0x4D:  // energy (uint32)
+    case 0x4E:  // volume (uint32)
+    case 0x4F:  // water (uint32)
+    case 0x50:  // timestamp
+    case 0x55:  // volume storage
+    case 0x5B:  // count (sint32)
+    case 0x5C:  // power (sint32)
+    case 0x62:  // speed (sint32)
+    case 0x63:  // acceleration (sint32)
+    case 0xF1:  // firmware version (uint32)
+      value_length = 4;
+      return true;
+    default:
+      return false;
+  }
+}
+
+void BTHomeMiThermometer::dump_config() {
+  char addr_buf[MAC_ADDRESS_PRETTY_BUFFER_SIZE];
+  ESP_LOGCONFIG(TAG, "BTHome MiThermometer");
+  ESP_LOGCONFIG(TAG, "  MAC Address: %s", format_mac_address(addr_buf, this->address_));
+  LOG_SENSOR("  ", "Temperature", this->temperature_);
+  LOG_SENSOR("  ", "Humidity", this->humidity_);
+  LOG_SENSOR("  ", "Battery Level", this->battery_level_);
+  LOG_SENSOR("  ", "Battery Voltage", this->battery_voltage_);
+  LOG_SENSOR("  ", "Signal Strength", this->signal_strength_);
+}
+
+bool BTHomeMiThermometer::parse_device(const esp32_ble_tracker::ESPBTDevice &device) {
+  bool matched = false;
+  for (auto &service_data : device.get_service_datas()) {
+    if (this->handle_service_data_(service_data, device)) {
+      matched = true;
+    }
+  }
+  if (matched && this->signal_strength_ != nullptr) {
+    this->signal_strength_->publish_state(device.get_rssi());
+  }
+  return matched;
+}
+
+bool BTHomeMiThermometer::handle_service_data_(const esp32_ble_tracker::ServiceData &service_data,
+                                               const esp32_ble_tracker::ESPBTDevice &device) {
+  if (!service_data.uuid.contains(0xD2, 0xFC)) {
+    return false;
+  }
+
+  const auto &data = service_data.data;
+  if (data.size() < 2) {
+    ESP_LOGVV(TAG, "BTHome data too short: %zu", data.size());
+    return false;
+  }
+
+  const uint8_t adv_info = data[0];
+  const bool is_encrypted = adv_info & 0x01;
+  const bool mac_included = adv_info & 0x02;
+  const bool is_trigger_based = adv_info & 0x04;
+  const uint8_t version = (adv_info >> 5) & 0x07;
+
+  if (version != 0x02) {
+    ESP_LOGVV(TAG, "Unsupported BTHome version %u", version);
+    return false;
+  }
+
+  char addr_buf[MAC_ADDRESS_PRETTY_BUFFER_SIZE];
+  if (is_encrypted) {
+    ESP_LOGV(TAG, "Ignoring encrypted BTHome frame from %s", device.address_str_to(addr_buf));
+    return false;
+  }
+
+  size_t payload_index = 1;
+  uint64_t source_address = device.address_uint64();
+
+  if (mac_included) {
+    if (data.size() < 7) {
+      ESP_LOGVV(TAG, "BTHome payload missing MAC address");
+      return false;
+    }
+    source_address = 0;
+    for (int i = 5; i >= 0; i--) {
+      source_address = (source_address << 8) | data[1 + i];
+    }
+    payload_index = 7;
+  }
+
+  if (source_address != this->address_) {
+    ESP_LOGVV(TAG, "BTHome frame from unexpected device %s", format_mac_address(addr_buf, source_address));
+    return false;
+  }
+
+  if (payload_index >= data.size()) {
+    ESP_LOGVV(TAG, "BTHome payload empty after header");
+    return false;
+  }
+
+  bool reported = false;
+  size_t offset = payload_index;
+  uint8_t last_type = 0;
+
+  while (offset < data.size()) {
+    const uint8_t obj_type = data[offset++];
+    size_t value_length = 0;
+    bool has_length_byte = obj_type == 0x53;  // text objects include explicit length
+
+    if (has_length_byte) {
+      if (offset >= data.size()) {
+        break;
+      }
+      value_length = data[offset++];
+    } else {
+      if (!get_bthome_value_length(obj_type, value_length)) {
+        ESP_LOGVV(TAG, "Unknown BTHome object 0x%02X", obj_type);
+        break;
+      }
+    }
+
+    if (value_length == 0) {
+      break;
+    }
+
+    if (offset + value_length > data.size()) {
+      ESP_LOGVV(TAG, "BTHome object length exceeds payload");
+      break;
+    }
+
+    const uint8_t *value = &data[offset];
+    offset += value_length;
+
+    if (obj_type < last_type) {
+      ESP_LOGVV(TAG, "BTHome objects not in ascending order");
+    }
+    last_type = obj_type;
+
+    switch (obj_type) {
+      case 0x00: {  // packet id
+        const uint8_t packet_id = value[0];
+        if (this->last_packet_id_.has_value() && *this->last_packet_id_ == packet_id) {
+          return reported;
+        }
+        this->last_packet_id_ = packet_id;
+        break;
+      }
+      case 0x01: {  // battery percentage
+        if (this->battery_level_ != nullptr) {
+          this->battery_level_->publish_state(value[0]);
+          reported = true;
+        }
+        break;
+      }
+      case 0x0C: {  // battery voltage (mV)
+        if (this->battery_voltage_ != nullptr) {
+          const uint16_t raw = encode_uint16(value[1], value[0]);
+          this->battery_voltage_->publish_state(raw * 0.001f);
+          reported = true;
+        }
+        break;
+      }
+      case 0x02: {  // temperature
+        if (this->temperature_ != nullptr) {
+          const int16_t raw = encode_uint16(value[1], value[0]);
+          this->temperature_->publish_state(raw * 0.01f);
+          reported = true;
+        }
+        break;
+      }
+      case 0x03: {  // humidity
+        if (this->humidity_ != nullptr) {
+          const uint16_t raw = encode_uint16(value[1], value[0]);
+          this->humidity_->publish_state(raw * 0.01f);
+          reported = true;
+        }
+        break;
+      }
+      default:
+        break;
+    }
+  }
+
+  if (reported) {
+    ESP_LOGD(TAG, "BTHome data%sfrom %s", is_trigger_based ? " (triggered) " : " ", device.address_str_to(addr_buf));
+  }
+
+  return reported;
+}
+
+}  // namespace bthome_mithermometer
+}  // namespace esphome
+
+#endif

esphome/components/bthome_mithermometer/bthome_ble.h

@@ -0,0 +1,44 @@
+#pragma once
+
+#include "esphome/components/esp32_ble_tracker/esp32_ble_tracker.h"
+#include "esphome/components/sensor/sensor.h"
+#include "esphome/core/component.h"
+
+#include <cstdint>
+
+#ifdef USE_ESP32
+
+namespace esphome {
+namespace bthome_mithermometer {
+
+class BTHomeMiThermometer : public esp32_ble_tracker::ESPBTDeviceListener, public Component {
+ public:
+  void set_address(uint64_t address) { this->address_ = address; }
+
+  void set_temperature(sensor::Sensor *temperature) { this->temperature_ = temperature; }
+  void set_humidity(sensor::Sensor *humidity) { this->humidity_ = humidity; }
+  void set_battery_level(sensor::Sensor *battery_level) { this->battery_level_ = battery_level; }
+  void set_battery_voltage(sensor::Sensor *battery_voltage) { this->battery_voltage_ = battery_voltage; }
+  void set_signal_strength(sensor::Sensor *signal_strength) { this->signal_strength_ = signal_strength; }
+
+  void dump_config() override;
+  bool parse_device(const esp32_ble_tracker::ESPBTDevice &device) override;
+
+ protected:
+  bool handle_service_data_(const esp32_ble_tracker::ServiceData &service_data,
+                            const esp32_ble_tracker::ESPBTDevice &device);
+
+  uint64_t address_{0};
+  optional<uint8_t> last_packet_id_{};
+
+  sensor::Sensor *temperature_{nullptr};
+  sensor::Sensor *humidity_{nullptr};
+  sensor::Sensor *battery_level_{nullptr};
+  sensor::Sensor *battery_voltage_{nullptr};
+  sensor::Sensor *signal_strength_{nullptr};
+};
+
+}  // namespace bthome_mithermometer
+}  // namespace esphome
+
+#endif

esphome/components/bthome_mithermometer/sensor.py

@@ -0,0 +1,88 @@
+import esphome.codegen as cg
+from esphome.components import sensor
+import esphome.config_validation as cv
+from esphome.const import (
+    CONF_BATTERY_LEVEL,
+    CONF_BATTERY_VOLTAGE,
+    CONF_HUMIDITY,
+    CONF_ID,
+    CONF_SIGNAL_STRENGTH,
+    CONF_TEMPERATURE,
+    DEVICE_CLASS_BATTERY,
+    DEVICE_CLASS_HUMIDITY,
+    DEVICE_CLASS_SIGNAL_STRENGTH,
+    DEVICE_CLASS_TEMPERATURE,
+    DEVICE_CLASS_VOLTAGE,
+    ENTITY_CATEGORY_DIAGNOSTIC,
+    STATE_CLASS_MEASUREMENT,
+    UNIT_CELSIUS,
+    UNIT_DECIBEL_MILLIWATT,
+    UNIT_PERCENT,
+    UNIT_VOLT,
+)
+
+from . import bthome_mithermometer_base_schema, setup_bthome_mithermometer
+
+CODEOWNERS = ["@nagyrobi"]
+
+DEPENDENCIES = ["esp32_ble_tracker"]
+
+CONFIG_SCHEMA = bthome_mithermometer_base_schema(
+    {
+        cv.Optional(CONF_TEMPERATURE): sensor.sensor_schema(
+            unit_of_measurement=UNIT_CELSIUS,
+            accuracy_decimals=2,
+            device_class=DEVICE_CLASS_TEMPERATURE,
+            state_class=STATE_CLASS_MEASUREMENT,
+        ),
+        cv.Optional(CONF_HUMIDITY): sensor.sensor_schema(
+            unit_of_measurement=UNIT_PERCENT,
+            accuracy_decimals=2,
+            device_class=DEVICE_CLASS_HUMIDITY,
+            state_class=STATE_CLASS_MEASUREMENT,
+        ),
+        cv.Optional(CONF_BATTERY_LEVEL): sensor.sensor_schema(
+            unit_of_measurement=UNIT_PERCENT,
+            accuracy_decimals=0,
+            device_class=DEVICE_CLASS_BATTERY,
+            state_class=STATE_CLASS_MEASUREMENT,
+            entity_category=ENTITY_CATEGORY_DIAGNOSTIC,
+        ),
+        cv.Optional(CONF_BATTERY_VOLTAGE): sensor.sensor_schema(
+            unit_of_measurement=UNIT_VOLT,
+            accuracy_decimals=3,
+            device_class=DEVICE_CLASS_VOLTAGE,
+            state_class=STATE_CLASS_MEASUREMENT,
+            icon="mdi:battery-plus",
+            entity_category=ENTITY_CATEGORY_DIAGNOSTIC,
+        ),
+        cv.Optional(CONF_SIGNAL_STRENGTH): sensor.sensor_schema(
+            unit_of_measurement=UNIT_DECIBEL_MILLIWATT,
+            accuracy_decimals=0,
+            device_class=DEVICE_CLASS_SIGNAL_STRENGTH,
+            state_class=STATE_CLASS_MEASUREMENT,
+            entity_category=ENTITY_CATEGORY_DIAGNOSTIC,
+        ),
+    }
+)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    await setup_bthome_mithermometer(var, config)
+
+    if temp_sens := config.get(CONF_TEMPERATURE):
+        sens = await sensor.new_sensor(temp_sens)
+        cg.add(var.set_temperature(sens))
+    if humi_sens := config.get(CONF_HUMIDITY):
+        sens = await sensor.new_sensor(humi_sens)
+        cg.add(var.set_humidity(sens))
+    if batl_sens := config.get(CONF_BATTERY_LEVEL):
+        sens = await sensor.new_sensor(batl_sens)
+        cg.add(var.set_battery_level(sens))
+    if batv_sens := config.get(CONF_BATTERY_VOLTAGE):
+        sens = await sensor.new_sensor(batv_sens)
+        cg.add(var.set_battery_voltage(sens))
+    if sgnl_sens := config.get(CONF_SIGNAL_STRENGTH):
+        sens = await sensor.new_sensor(sgnl_sens)
+        cg.add(var.set_signal_strength(sens))

esphome/components/cap1188/cap1188.cpp

@@ -63,14 +63,14 @@ void CAP1188Component::finish_setup_() {
 }
 
 void CAP1188Component::dump_config() {
-  ESP_LOGCONFIG(TAG, "CAP1188:");
-  LOG_I2C_DEVICE(this);
-  LOG_PIN("  Reset Pin: ", this->reset_pin_);
   ESP_LOGCONFIG(TAG,
+                "CAP1188:\n"
                 "  Product ID: 0x%x\n"
                 "  Manufacture ID: 0x%x\n"
                 "  Revision ID: 0x%x",
                 this->cap1188_product_id_, this->cap1188_manufacture_id_, this->cap1188_revision_);
+  LOG_I2C_DEVICE(this);
+  LOG_PIN("  Reset Pin: ", this->reset_pin_);
 
   switch (this->error_code_) {
     case COMMUNICATION_FAILED:

esphome/components/captive_portal/__init__.py

@@ -7,6 +7,7 @@ from esphome.config_helpers import filter_source_files_from_platform
 import esphome.config_validation as cv
 from esphome.const import (
     CONF_AP,
+    CONF_COMPRESSION,
     CONF_ID,
     PLATFORM_BK72XX,
     PLATFORM_ESP32,
@@ -43,6 +44,7 @@ CONFIG_SCHEMA = cv.All(
             cv.GenerateID(CONF_WEB_SERVER_BASE_ID): cv.use_id(
                 web_server_base.WebServerBase
             ),
+            cv.Optional(CONF_COMPRESSION, default="br"): cv.one_of("br", "gzip"),
         }
     ).extend(cv.COMPONENT_SCHEMA),
     cv.only_on(
@@ -96,20 +98,26 @@ async def to_code(config):
     await cg.register_component(var, config)
     cg.add_define("USE_CAPTIVE_PORTAL")
 
-    if CORE.using_arduino:
-        if CORE.is_esp32:
-            cg.add_library("ESP32 Async UDP", None)
-            cg.add_library("DNSServer", None)
-            cg.add_library("WiFi", None)
-        if CORE.is_esp8266:
-            cg.add_library("DNSServer", None)
-        if CORE.is_libretiny:
-            cg.add_library("DNSServer", None)
+    if config[CONF_COMPRESSION] == "gzip":
+        cg.add_define("USE_CAPTIVE_PORTAL_GZIP")
+
+    # All platforms now use our custom DNS server implementations
 
 
-# Only compile the ESP-IDF DNS server when using ESP-IDF framework
+# Compile platform-specific DNS server implementations
+# ESP32 Arduino uses IDF components, so both use dns_server_esp32_idf.cpp
 FILTER_SOURCE_FILES = filter_source_files_from_platform(
     {
-        "dns_server_esp32_idf.cpp": {PlatformFramework.ESP32_IDF},
+        "dns_server_esp32_idf.cpp": {
+            PlatformFramework.ESP32_ARDUINO,
+            PlatformFramework.ESP32_IDF,
+        },
+        "dns_server_arduino.cpp": {
+            PlatformFramework.ESP8266_ARDUINO,
+            PlatformFramework.RP2040_ARDUINO,
+            PlatformFramework.BK72XX_ARDUINO,
+            PlatformFramework.RTL87XX_ARDUINO,
+            PlatformFramework.LN882X_ARDUINO,
+        },
     }
 )

esphome/components/captive_portal/captive_index.h

@@ -3,87 +3,170 @@
 
 #include "esphome/core/hal.h"
 
-namespace esphome {
-namespace captive_portal {
+namespace esphome::captive_portal {
 
+#ifdef USE_CAPTIVE_PORTAL_GZIP
 const uint8_t INDEX_GZ[] PROGMEM = {
-    0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x95, 0x16, 0x6b, 0x8f, 0xdb, 0x36, 0xf2, 0x7b, 0x7e,
-    0x05, 0x8f, 0x49, 0xbb, 0x52, 0xb3, 0x7a, 0x7a, 0xed, 0x6c, 0x24, 0x51, 0x45, 0x9a, 0xbb, 0xa2, 0x05, 0x9a, 0x36,
-    0xc0, 0x6e, 0x73, 0x1f, 0x82, 0x00, 0x4b, 0x53, 0x23, 0x8b, 0x31, 0x45, 0xea, 0x48, 0xca, 0x8f, 0x18, 0xbe, 0xdf,
-    0x7e, 0xa0, 0x24, 0x7b, 0x9d, 0x45, 0x73, 0xb8, 0xb3, 0x60, 0x61, 0x38, 0xef, 0x19, 0xcd, 0x83, 0xc5, 0xdf, 0x2a,
-    0xc5, 0xec, 0xbe, 0x03, 0xd4, 0xd8, 0x56, 0x94, 0x85, 0x7b, 0x23, 0x41, 0xe5, 0x8a, 0x80, 0x2c, 0x8b, 0x06, 0x68,
-    0x55, 0x16, 0x2d, 0x58, 0x8a, 0x58, 0x43, 0xb5, 0x01, 0x4b, 0xfe, 0xbc, 0xff, 0x39, 0xb8, 0x2d, 0x0b, 0xc1, 0xe5,
-    0x1a, 0x69, 0x10, 0x84, 0x33, 0x25, 0x51, 0xa3, 0xa1, 0x26, 0x15, 0xb5, 0x34, 0xe3, 0x2d, 0x5d, 0xc1, 0x24, 0x22,
-    0x69, 0x0b, 0x64, 0xc3, 0x61, 0xdb, 0x29, 0x6d, 0x11, 0x53, 0xd2, 0x82, 0xb4, 0x04, 0x6f, 0x79, 0x65, 0x1b, 0x52,
-    0xc1, 0x86, 0x33, 0x08, 0x86, 0xc3, 0x35, 0x97, 0xdc, 0x72, 0x2a, 0x02, 0xc3, 0xa8, 0x00, 0x92, 0x5c, 0xf7, 0x06,
-    0xf4, 0x70, 0xa0, 0x4b, 0x01, 0x44, 0x2a, 0x5c, 0x16, 0x86, 0x69, 0xde, 0x59, 0xe4, 0x5c, 0x25, 0xad, 0xaa, 0x7a,
-    0x01, 0x65, 0x14, 0x51, 0x63, 0xc0, 0x9a, 0x88, 0xcb, 0x0a, 0x76, 0xe1, 0x32, 0x66, 0x2c, 0x86, 0xdb, 0xdb, 0xf0,
-    0xb3, 0x79, 0x56, 0x29, 0xd6, 0xb7, 0x20, 0x6d, 0x28, 0x14, 0xa3, 0x96, 0x2b, 0x19, 0x1a, 0xa0, 0x9a, 0x35, 0x84,
-    0x10, 0xfc, 0xa3, 0xa1, 0x1b, 0xc0, 0xdf, 0x7f, 0xef, 0x9d, 0x99, 0x56, 0x60, 0xff, 0x21, 0xc0, 0x81, 0xe6, 0xa7,
-    0xfd, 0x3d, 0x5d, 0xfd, 0x4e, 0x5b, 0xf0, 0x30, 0x35, 0xbc, 0x02, 0xec, 0x7f, 0x8c, 0x3f, 0x85, 0xc6, 0xee, 0x05,
-    0x84, 0x15, 0x37, 0x9d, 0xa0, 0x7b, 0x82, 0x97, 0x42, 0xb1, 0x35, 0xf6, 0xf3, 0xba, 0x97, 0xcc, 0x29, 0x47, 0xc6,
-    0x03, 0xff, 0x20, 0xc0, 0x22, 0x4b, 0xde, 0x51, 0xdb, 0x84, 0x2d, 0xdd, 0x79, 0x23, 0xc0, 0xa5, 0x97, 0xfe, 0xe0,
-    0xc1, 0xcb, 0x24, 0x8e, 0xfd, 0xeb, 0xe1, 0x15, 0xfb, 0x51, 0x12, 0xc7, 0xb9, 0x06, 0xdb, 0x6b, 0x89, 0xa8, 0xf7,
-    0x50, 0x74, 0xd4, 0x36, 0xa8, 0x22, 0xf8, 0x5d, 0x92, 0xa2, 0xe4, 0x75, 0x98, 0xce, 0x7f, 0x0b, 0x5f, 0xa1, 0x9b,
-    0x30, 0x9d, 0xb3, 0x57, 0xc1, 0x1c, 0x25, 0x37, 0xc1, 0x1c, 0xa5, 0x69, 0x38, 0x47, 0xf1, 0x17, 0x8c, 0x6a, 0x2e,
-    0x04, 0xc1, 0x52, 0x49, 0xc0, 0xc8, 0x58, 0xad, 0xd6, 0x40, 0x30, 0xeb, 0xb5, 0x06, 0x69, 0xdf, 0x2a, 0xa1, 0x34,
-    0x8e, 0xca, 0x67, 0xff, 0x97, 0x42, 0xab, 0xa9, 0x34, 0xb5, 0xd2, 0x2d, 0xc1, 0x43, 0xf6, 0xbd, 0x17, 0x07, 0x7b,
-    0x44, 0xee, 0xe5, 0x5f, 0x10, 0x03, 0xa5, 0xf9, 0x8a, 0x4b, 0x82, 0x9d, 0xc6, 0x5b, 0x1c, 0x95, 0x0f, 0xfe, 0xf1,
-    0x1c, 0x3d, 0x75, 0xd1, 0x4f, 0xf1, 0x28, 0xef, 0xe3, 0x43, 0x61, 0x36, 0x2b, 0xb4, 0x6b, 0x85, 0x34, 0x04, 0x37,
-    0xd6, 0x76, 0x59, 0x14, 0x6d, 0xb7, 0xdb, 0x70, 0x3b, 0x0b, 0x95, 0x5e, 0x45, 0x69, 0x1c, 0xc7, 0x91, 0xd9, 0xac,
-    0x30, 0x1a, 0x0b, 0x01, 0xa7, 0x37, 0x18, 0x35, 0xc0, 0x57, 0x8d, 0x1d, 0xe0, 0xf2, 0xc5, 0x01, 0x8e, 0x85, 0xe3,
-    0x28, 0x1f, 0x3e, 0x5d, 0x58, 0xe1, 0x17, 0x56, 0xe0, 0x47, 0xea, 0xe1, 0x53, 0x98, 0x57, 0x43, 0x98, 0xaf, 0x68,
-    0x8a, 0x52, 0x14, 0x0f, 0x4f, 0x1a, 0x38, 0x78, 0x3a, 0x05, 0x4f, 0x4e, 0xe8, 0xe2, 0xe4, 0xa0, 0x76, 0x11, 0xbc,
-    0x3e, 0xcb, 0x26, 0x0e, 0xb3, 0x49, 0xe2, 0x47, 0x84, 0x13, 0xf8, 0x65, 0x71, 0x79, 0x0e, 0xd2, 0x0f, 0x97, 0x0c,
-    0xce, 0x5a, 0x93, 0x7c, 0x58, 0xd0, 0x39, 0x9a, 0x4f, 0x98, 0x79, 0xe0, 0xe0, 0xf3, 0x09, 0xcd, 0x37, 0x69, 0x93,
-    0xb4, 0xc1, 0x22, 0x98, 0xd3, 0x19, 0x9a, 0x4d, 0x8e, 0xcc, 0xd0, 0x6c, 0x93, 0x36, 0x8b, 0x0f, 0x8b, 0x4b, 0x5c,
-    0x30, 0xfb, 0x72, 0x15, 0x95, 0xd8, 0xcf, 0x30, 0x7e, 0x8c, 0x5c, 0x5d, 0x46, 0x1e, 0x7e, 0x56, 0x5c, 0x7a, 0x18,
-    0xfb, 0xc7, 0x1a, 0x2c, 0x6b, 0x3c, 0x1c, 0x31, 0x25, 0x6b, 0xbe, 0x0a, 0x3f, 0x1b, 0x25, 0xb1, 0x1f, 0xda, 0x06,
-    0xa4, 0x77, 0x12, 0x75, 0x82, 0x30, 0x50, 0xbc, 0xa7, 0x14, 0xeb, 0x1f, 0xce, 0xf5, 0x6f, 0xb9, 0x15, 0x40, 0x6c,
-    0xe8, 0x1a, 0xf6, 0xfa, 0x8c, 0x5d, 0xaa, 0x6a, 0xff, 0x8d, 0xd6, 0x68, 0x92, 0xb1, 0x2f, 0xb8, 0x94, 0xa0, 0xef,
-    0x61, 0x67, 0x09, 0x7e, 0xf7, 0xe6, 0x2d, 0x7a, 0x53, 0x55, 0x1a, 0x8c, 0xc9, 0x10, 0x7e, 0x69, 0xc3, 0x96, 0xb2,
-    0xff, 0x5d, 0x57, 0xf2, 0x95, 0xae, 0x7f, 0xf2, 0x9f, 0x39, 0xfa, 0x1d, 0xec, 0x56, 0xe9, 0xf5, 0xa4, 0xcd, 0xb9,
-    0x96, 0xbb, 0x0e, 0xd3, 0xc4, 0x86, 0xb4, 0x33, 0xa1, 0x11, 0x9c, 0x81, 0x97, 0xf8, 0x61, 0x4b, 0xbb, 0xc7, 0xa8,
-    0xe4, 0x29, 0x51, 0x0f, 0x45, 0xc5, 0x37, 0x88, 0x09, 0x6a, 0x0c, 0xc1, 0x72, 0x54, 0x85, 0xd1, 0x33, 0x34, 0xfc,
-    0x94, 0x64, 0x82, 0xb3, 0x35, 0xc1, 0x7f, 0x31, 0x01, 0x7e, 0xda, 0xff, 0x5a, 0x79, 0x57, 0xc6, 0xf0, 0xea, 0xca,
-    0x0f, 0x37, 0x54, 0xf4, 0x80, 0x08, 0xb2, 0x0d, 0x37, 0x8f, 0x0e, 0xe6, 0xdf, 0x14, 0xeb, 0xcc, 0xfa, 0xca, 0x0f,
-    0x6b, 0xc5, 0x7a, 0xe3, 0xf9, 0xb8, 0x9c, 0xcc, 0x15, 0x74, 0x1c, 0x90, 0xf8, 0x39, 0x7e, 0xe2, 0x51, 0x20, 0xa0,
-    0xb6, 0x67, 0x3e, 0x84, 0x5e, 0x1c, 0x8c, 0x27, 0x43, 0x6d, 0x0c, 0xf7, 0x8f, 0x67, 0x64, 0x61, 0x3a, 0x2a, 0x9f,
-    0x0a, 0x3a, 0x07, 0x5d, 0xab, 0xc8, 0xd0, 0x41, 0xae, 0x5f, 0x3a, 0x2a, 0xcf, 0x06, 0x23, 0x7a, 0x02, 0x5f, 0x1c,
-    0xb8, 0x27, 0xdd, 0x14, 0x5c, 0x9f, 0x35, 0x16, 0x51, 0xc5, 0x37, 0xe5, 0xc3, 0xd1, 0x7f, 0x8c, 0xe3, 0x5f, 0x3d,
-    0xe8, 0xfd, 0x1d, 0x08, 0x60, 0x56, 0x69, 0x0f, 0x3f, 0x97, 0x60, 0xb1, 0x3f, 0x06, 0xfc, 0xcb, 0xfd, 0xbb, 0xdf,
-    0x88, 0xf2, 0xb4, 0x7f, 0xfd, 0x2d, 0x6e, 0xb7, 0x0a, 0x3e, 0x6a, 0x10, 0xff, 0x26, 0x57, 0x6e, 0x19, 0x5c, 0x7d,
-    0xc2, 0x7e, 0x38, 0xc4, 0xfb, 0xf0, 0xb8, 0x11, 0x5c, 0x3b, 0xbf, 0xdc, 0xb5, 0xe2, 0xda, 0x45, 0x18, 0x2c, 0xe6,
-    0xfe, 0xf1, 0xe1, 0xe8, 0x1f, 0xfd, 0xbc, 0x88, 0xc6, 0xb9, 0x5e, 0x16, 0xc3, 0x88, 0x2d, 0x7f, 0x38, 0x2c, 0xd5,
-    0x2e, 0x30, 0xfc, 0x0b, 0x97, 0xab, 0x8c, 0xcb, 0x06, 0x34, 0xb7, 0xc7, 0x8a, 0x6f, 0xae, 0xb9, 0xec, 0x7a, 0x7b,
-    0xe8, 0x68, 0x55, 0x39, 0xca, 0xbc, 0xdb, 0xe5, 0xb5, 0x92, 0xd6, 0x71, 0x42, 0x96, 0x40, 0x7b, 0x1c, 0xe9, 0xc3,
-    0x44, 0xc9, 0x5e, 0xcf, 0xbf, 0x3b, 0xba, 0x82, 0x3b, 0x58, 0xd8, 0xd9, 0x80, 0x0a, 0xbe, 0x92, 0x19, 0x03, 0x69,
-    0x41, 0x8f, 0x42, 0x35, 0x6d, 0xb9, 0xd8, 0x67, 0x86, 0x4a, 0x13, 0x18, 0xd0, 0xbc, 0x3e, 0x2e, 0x7b, 0x6b, 0x95,
-    0x3c, 0x2c, 0x95, 0xae, 0x40, 0x67, 0x71, 0x3e, 0x02, 0x81, 0xa6, 0x15, 0xef, 0x4d, 0x16, 0xce, 0x34, 0xb4, 0xf9,
-    0x92, 0xb2, 0xf5, 0x4a, 0xab, 0x5e, 0x56, 0x01, 0x73, 0x93, 0x36, 0x7b, 0x9e, 0xd4, 0x74, 0x06, 0x2c, 0x9f, 0x4e,
-    0x75, 0x5d, 0xe7, 0x82, 0x4b, 0x08, 0xc6, 0x59, 0x96, 0xa5, 0xe1, 0x8d, 0x13, 0xbb, 0x70, 0x33, 0x4c, 0x1d, 0x62,
-    0xf4, 0x31, 0x89, 0xe3, 0xef, 0xf2, 0x53, 0x38, 0x71, 0xce, 0x7a, 0x6d, 0x94, 0xce, 0x3a, 0xc5, 0x9d, 0x9b, 0xc7,
-    0x96, 0x72, 0x79, 0xe9, 0xbd, 0x2b, 0x93, 0x7c, 0x5a, 0x3f, 0x19, 0x97, 0x83, 0x99, 0x61, 0x09, 0xe5, 0x2d, 0x97,
-    0xe3, 0x0e, 0xcd, 0xd2, 0x45, 0xdc, 0xed, 0x8e, 0xe1, 0x54, 0x20, 0x87, 0x13, 0x77, 0x2d, 0x60, 0x97, 0x7f, 0xee,
-    0x8d, 0xe5, 0xf5, 0x3e, 0x98, 0x76, 0x70, 0x66, 0x3a, 0xca, 0x20, 0x58, 0x82, 0xdd, 0x02, 0xc8, 0x7c, 0xb0, 0x11,
-    0x70, 0x0b, 0xad, 0x99, 0xf2, 0x74, 0x56, 0x33, 0x14, 0xe8, 0xd7, 0xba, 0xfe, 0x1b, 0xb7, 0xab, 0xc5, 0x43, 0x4b,
-    0xf5, 0x8a, 0xcb, 0x60, 0xa9, 0xac, 0x55, 0x6d, 0x16, 0xbc, 0xea, 0x76, 0xf9, 0x84, 0x72, 0xca, 0xb2, 0xc4, 0xb9,
-    0x39, 0xec, 0xd6, 0x53, 0xbe, 0x93, 0x6e, 0x87, 0x8c, 0x12, 0xbc, 0x9a, 0xf8, 0x06, 0x16, 0x14, 0x9f, 0xd3, 0x93,
-    0xcc, 0xbb, 0x1d, 0x72, 0xb8, 0x53, 0xaa, 0x6f, 0xea, 0x5b, 0x9a, 0xc4, 0x7f, 0xf1, 0x45, 0xaa, 0xba, 0x4e, 0x97,
-    0xf5, 0x39, 0x53, 0x6e, 0x4d, 0xba, 0xd6, 0x18, 0x4a, 0xab, 0x88, 0xc6, 0xdb, 0x8c, 0xab, 0x8c, 0xb2, 0x70, 0x19,
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+    0xdf, 0x93, 0xf1, 0xbe, 0x3f, 0xec, 0xe4, 0xd8, 0x3f, 0x5b, 0x2a, 0xe9, 0x35, 0x1a, 0x14, 0x07, 0xfd, 0x26, 0x0e,
+    0x8c, 0xc1, 0xdd, 0x7d, 0x8f, 0x0a, 0x18, 0xbf, 0xf4, 0xdd, 0xcd, 0x2b, 0xf2, 0x6b, 0x8b, 0x80, 0x0c, 0x5d, 0xd8,
+    0xac, 0x57, 0x38, 0xa8, 0x97, 0x4d, 0x9e, 0xbc, 0x7f, 0x77, 0x7d, 0x33, 0x78, 0xb8, 0xb6, 0x44, 0x04, 0x44, 0xd6,
+    0x4d, 0xdb, 0xeb, 0x4a, 0xf3, 0x96, 0x49, 0x6d, 0xc5, 0x7a, 0x06, 0xd1, 0x4f, 0x3e, 0xd8, 0x7b, 0x1c, 0x49, 0xa1,
+    0x73, 0xa3, 0x63, 0x4c, 0xc9, 0xc9, 0xaa, 0x93, 0xb6, 0x07, 0x76, 0x05, 0xdd, 0x6b, 0x07, 0xdd, 0xd3, 0x07, 0xf6,
+    0x1f, 0x8f, 0xbf, 0x01, 0x7d, 0x9a, 0x47, 0xb5, 0x88, 0x0c, 0x00, 0x00};
 
-}  // namespace captive_portal
-}  // namespace esphome
+#else  // Brotli (default, smaller)
+const uint8_t INDEX_BR[] PROGMEM = {
+    0x1b, 0x87, 0x0c, 0x00, 0x64, 0x5a, 0xd3, 0xfa, 0xe7, 0xf3, 0x62, 0x48, 0x83, 0x8d, 0xa0, 0x60, 0x49, 0x51, 0xb8,
+    0x52, 0x9b, 0x44, 0x71, 0xc3, 0xe5, 0xc4, 0x8c, 0xb8, 0xd5, 0xe1, 0xfc, 0x6a, 0x2d, 0xdf, 0x92, 0x04, 0x76, 0x51,
+    0xb1, 0x51, 0xa9, 0x08, 0x05, 0xd6, 0xe5, 0x75, 0xf7, 0x74, 0x08, 0x41, 0xa5, 0x6a, 0xe6, 0xf6, 0xc4, 0xde, 0x86,
+    0x59, 0x38, 0x40, 0x45, 0xf0, 0xad, 0x23, 0xf9, 0xfd, 0x21, 0x5b, 0x7f, 0x3f, 0x73, 0xc1, 0x4a, 0x60, 0x0f, 0x75,
+    0xea, 0x45, 0x28, 0x87, 0x33, 0x98, 0xa0, 0x4d, 0x5b, 0xc9, 0x2e, 0x9e, 0x4b, 0x1c, 0x78, 0xa7, 0x0e, 0x7e, 0x39,
+    0x76, 0x04, 0x75, 0x08, 0xb1, 0xb7, 0x5b, 0xa4, 0x5a, 0xb2, 0x2b, 0x4d, 0x84, 0x1c, 0xf8, 0x60, 0x78, 0xc7, 0x2a,
+    0x1c, 0x73, 0x9e, 0x53, 0x90, 0xb2, 0xa0, 0xf6, 0x3c, 0xb5, 0x9b, 0x05, 0x0b, 0xea, 0x47, 0x5f, 0xa8, 0xd0, 0xb8,
+    0xb0, 0x1d, 0x94, 0x63, 0x43, 0x68, 0xc1, 0x1c, 0x57, 0xaa, 0x55, 0x86, 0xe1, 0x44, 0x17, 0x89, 0xf9, 0x27, 0x29,
+    0xcb, 0xf8, 0x26, 0xcd, 0xb6, 0xf4, 0xaf, 0x9b, 0xd4, 0x9f, 0x5b, 0x6c, 0x58, 0x08, 0x01, 0xef, 0x4c, 0x9e, 0x7e,
+    0xb8, 0x58, 0xa0, 0x88, 0x61, 0xa8, 0xf2, 0x62, 0xd5, 0x78, 0x24, 0xfc, 0x21, 0x8e, 0xa9, 0x86, 0xda, 0xba, 0x03,
+    0xe2, 0xbc, 0x75, 0x07, 0x7b, 0xa4, 0xf1, 0xf8, 0x7a, 0x71, 0x00, 0x83, 0xd8, 0xb9, 0x6e, 0x6f, 0xab, 0xae, 0x91,
+    0xe3, 0x7d, 0x63, 0x11, 0x3f, 0x43, 0x7a, 0xc5, 0xa2, 0x08, 0x07, 0xff, 0x34, 0x45, 0x38, 0x7c, 0x33, 0x52, 0xd8,
+    0xdd, 0xa1, 0xb2, 0xd0, 0xed, 0xbf, 0xae, 0x05, 0x7c, 0xc5, 0x38, 0x60, 0x5b, 0xca, 0xd3, 0x97, 0x74, 0x0d, 0x92,
+    0xd3, 0xd4, 0x6a, 0x4d, 0x52, 0xc0, 0x92, 0xbb, 0x64, 0xce, 0x69, 0x73, 0x74, 0x0b, 0x2f, 0x0b, 0x47, 0x6c, 0x01,
+    0x6f, 0x31, 0x70, 0x43, 0xdf, 0x1d, 0xb5, 0x80, 0x1c, 0x40, 0x97, 0x06, 0xc5, 0xa9, 0x85, 0x72, 0x92, 0xa8, 0x5e,
+    0x82, 0x8c, 0x34, 0x05, 0xa6, 0xa1, 0xd9, 0x38, 0x78, 0x70, 0xef, 0xc7, 0x11, 0x4a, 0xc9, 0xcd, 0x5b, 0x06, 0xa9,
+    0x2e, 0xdc, 0xc0, 0x50, 0x96, 0xd8, 0xb7, 0x40, 0x4c, 0x27, 0x75, 0x7a, 0xd4, 0xa1, 0x1f, 0x65, 0xe1, 0x2e, 0xcf,
+    0x2f, 0x79, 0x80, 0x3a, 0x01, 0x7b, 0x7b, 0x08, 0x77, 0xcd, 0x55, 0x2c, 0xb2, 0xd0, 0xda, 0x45, 0x61, 0x2c, 0x95,
+    0xca, 0xf5, 0x3c, 0x91, 0xf7, 0x1c, 0x09, 0x94, 0xb3, 0x51, 0xfb, 0x62, 0xbf, 0x2c, 0x7f, 0xe5, 0x94, 0xdb, 0x8c,
+    0xeb, 0x3b, 0x1d, 0x82, 0x55, 0x8d, 0x5d, 0x76, 0xae, 0x15, 0x07, 0xbf, 0x63, 0xa3, 0x6a, 0x4e, 0xdc, 0xf2, 0x92,
+    0x1f, 0xc9, 0x0d, 0xa2, 0xc1, 0x40, 0x9b, 0x91, 0x2d, 0x7d, 0x31, 0xf3, 0xdd, 0x77, 0xc9, 0xa2, 0xc7, 0x68, 0xb2,
+    0xe1, 0x69, 0xf6, 0x78, 0x80, 0xf0, 0xcf, 0x91, 0x90, 0x63, 0xe3, 0x81, 0x7d, 0xfe, 0x4a, 0x4f, 0x41, 0xda, 0x0c,
+    0x52, 0xe2, 0xd6, 0x97, 0x26, 0x90, 0x5e, 0xc6, 0x6a, 0x6c, 0x49, 0x16, 0x94, 0xa1, 0x62, 0x10, 0x67, 0x46, 0x24,
+    0x06, 0x71, 0x61, 0x46, 0xec, 0x7c, 0xff, 0x0e, 0x89, 0x6f, 0x97, 0xa1, 0x84, 0x78, 0x07, 0x61, 0xed, 0xf3, 0x38,
+    0x5c, 0x1c, 0x20, 0x1f, 0x42, 0x88, 0x7d, 0xa3, 0x87, 0xea, 0x80, 0x60, 0x78, 0xe4, 0x92, 0xd8, 0x46, 0x64, 0x31,
+    0xbe, 0x9c, 0x42, 0x0c, 0x39, 0x88, 0x4b, 0x74, 0x68, 0xbe, 0x28, 0x6a, 0x50, 0x19, 0x20, 0x75, 0xd1, 0x2c, 0x06,
+    0x2a, 0xb4, 0x01, 0x81, 0x12, 0x09, 0x43, 0x3c, 0x6a, 0x0f, 0xec, 0x55, 0x0f, 0xac, 0x17, 0xd7, 0x2b, 0x52, 0xdb,
+    0xab, 0x7b, 0x0f, 0xc6, 0xe3, 0x3d, 0xa5, 0x1d, 0x80, 0xab, 0x81, 0xb6, 0xaa, 0x4a, 0x2f, 0x2f, 0xeb, 0xfb, 0x62,
+    0x1e, 0x9b, 0xa1, 0x55, 0xf4, 0xc2, 0xc5, 0x2b, 0xce, 0xa5, 0x6c, 0xa6, 0x12, 0x03, 0x55, 0x27, 0x77, 0x11, 0x9b,
+    0x5c, 0xc2, 0x30, 0x6d, 0xd5, 0xa9, 0x66, 0xe5, 0xb6, 0xb1, 0x22, 0x4a, 0x4d, 0x27, 0x87, 0x40, 0xd7, 0x02, 0x26,
+    0xe0, 0x97, 0xea, 0xd6, 0xb0, 0x40, 0xd8, 0x5c, 0xe7, 0x4c, 0xbd, 0xc4, 0xd4, 0xa6, 0xa6, 0xbe, 0x54, 0x0b, 0xb9,
+    0xbc, 0x9c, 0xb4, 0xf1, 0xe4, 0x8e, 0x8f, 0x3a, 0x3a, 0xab, 0x16, 0xca, 0x2c, 0xbd, 0x30, 0x87, 0x94, 0xaa, 0x8c,
+    0xcc, 0x6b, 0x90, 0x5f, 0xdf, 0xce, 0xc6, 0x1e, 0x59, 0xda, 0x3b, 0x67, 0xb0, 0x0f, 0x70, 0x95, 0xb6, 0x21, 0x46,
+    0x21, 0x21, 0x2e, 0xd5, 0x96, 0xba, 0xca, 0x3c, 0x5e, 0x10, 0x3a, 0x6c, 0xb2, 0xde, 0xa4, 0x1a, 0x6d, 0xa0, 0xb3,
+    0xe4, 0xce, 0x80, 0x8b, 0x9a, 0xd2, 0x23, 0x01, 0xad, 0x0e, 0x75, 0x97, 0xdc, 0x97, 0x66, 0xef, 0x7a, 0x04, 0xa7,
+    0x56, 0x0f, 0x50, 0x91, 0xd3, 0x2d, 0x09, 0x87, 0x14, 0x0e, 0x28, 0xd0, 0x23, 0x44, 0xff, 0x68, 0xfe, 0x2f, 0x96,
+    0x2f, 0x55, 0xcb, 0x5f, 0xe4, 0x54, 0x6d, 0x5f, 0xd9, 0x31, 0x40, 0xaa, 0x87, 0x57, 0xd7, 0xed, 0xbf, 0xa0, 0xa2,
+    0x1f, 0x93, 0x2c, 0xc5, 0xbe, 0x0c, 0x06, 0x7a, 0xa5, 0xf7, 0x7f, 0x7a, 0x2e, 0x56, 0xa2, 0xcb, 0xb2, 0xc0, 0xe7,
+    0xf2, 0xda, 0x5c, 0x42, 0x9c, 0xdb, 0x62, 0x15, 0x97, 0xd0, 0x87, 0xd7, 0x9d, 0x93, 0xee, 0x99, 0x20, 0x81, 0xd5,
+    0x6b, 0xfa, 0xee, 0x64, 0xb1, 0x85, 0x60, 0x1d, 0x9e, 0xf2, 0x82, 0x73, 0x6c, 0x5c, 0x21, 0x28, 0xdb, 0x96, 0xc1,
+    0x12, 0x43, 0x6e, 0x86, 0xf3, 0xfe, 0x14, 0xf3, 0xd2, 0x0b, 0xbf, 0xc4, 0x8f, 0x03, 0x1f, 0xd0, 0xf2, 0x5b, 0x15,
+    0xa7, 0x8e, 0x18, 0x08, 0x43, 0x80, 0x61, 0x53, 0x96, 0x65, 0xc4, 0x35, 0xcf, 0x1a, 0xae, 0x92, 0x05, 0x4b, 0x18,
+    0x94, 0xcf, 0xd7, 0x63, 0x38, 0x1f, 0x6c, 0xd0, 0x66, 0xb3, 0x71, 0x49, 0x1d, 0xeb, 0xe2, 0x00, 0x5f, 0x4e, 0xc0,
+    0xc4, 0xee, 0xe2, 0xd0, 0x4b, 0x94, 0xb6, 0x4a, 0xa5, 0xe0, 0x45, 0x71, 0xc6, 0x28, 0x57, 0x21, 0x8b, 0xbd, 0xc7,
+    0x1e, 0x68, 0x50, 0x4d, 0xb2, 0xc8, 0xb3, 0x71, 0xdf, 0x5d, 0x0f, 0x18, 0x7b, 0xbe, 0xdb, 0xa3, 0xe9, 0x88, 0xaf,
+    0xcd, 0x65, 0x80, 0x2e, 0x14, 0x5b, 0x02, 0x8a, 0xd9, 0x75, 0x6e, 0xd5, 0xad, 0x8f, 0xc3, 0xf0, 0xf3, 0xb0, 0x6d,
+    0x3a, 0xdf, 0x1a, 0x91, 0x07, 0xe6, 0x70, 0x30, 0x88, 0x85, 0x4d, 0x4b, 0x3d, 0xfa, 0x29, 0x1b, 0x21, 0x6b, 0x6d,
+    0x94, 0x3b, 0xfe, 0x03, 0xe9, 0x55, 0x6d, 0x2e, 0xdc, 0x8e, 0xc6, 0xbd, 0x6e, 0x73, 0x08, 0x73, 0x0d, 0xd6, 0xa8,
+    0x58, 0x57, 0xa3, 0x03, 0x23, 0x72, 0x84, 0xd3, 0xcc, 0x69, 0x42, 0x6a, 0x17, 0xb5, 0x9a, 0x72, 0x4f, 0x1b, 0x35,
+    0x2b, 0xc4, 0x0f, 0xca, 0x67, 0x8d, 0x16, 0x7b, 0xb4, 0x15, 0x38, 0x02, 0x2a, 0x6f, 0x00, 0xd5, 0xd6, 0x1a, 0x0b,
+    0xf8, 0x8b, 0x39, 0xd6, 0xae, 0xf3, 0x54, 0x66, 0xcb, 0x47, 0x0a, 0x73, 0x80, 0xcb, 0x65, 0xb9, 0x89, 0x52, 0x46,
+    0xae, 0x86, 0x21, 0xc2, 0x6d, 0x65, 0x04, 0x59, 0x96, 0xe4, 0xf9, 0x94, 0x10, 0x1c, 0x28, 0x6d, 0x45, 0x49, 0xa9,
+    0xce, 0x70, 0xd3, 0x0b, 0x9f, 0x02, 0xea, 0x21, 0x60, 0x44, 0x7b, 0xc5, 0x04, 0xae, 0x3b, 0xa8, 0xb0, 0x98, 0x15,
+    0x95, 0xe0, 0x8e, 0x69, 0x73, 0x7b, 0xcf, 0xb0, 0x12, 0xb7, 0x74, 0x67, 0x08, 0x68, 0x13, 0x61, 0xbe, 0x01, 0xfc,
+    0x4d, 0x73, 0xdf, 0x28, 0x69, 0x36, 0x8a, 0x45, 0x53, 0xe5, 0xaa, 0xba, 0x69, 0xf8, 0xbe, 0xc9, 0x31, 0xbe, 0xda,
+    0x1e, 0xfe, 0x02, 0xa9, 0x0e, 0xcb, 0xa2, 0x55, 0x06, 0x72, 0x3e, 0xce, 0x80, 0xa9, 0x45, 0xab, 0x2a, 0xd9, 0xa3,
+    0x90, 0x95, 0x23, 0xc1, 0x05, 0x2e, 0xb7, 0x7f, 0xe0, 0x70, 0xaa, 0x81, 0x4f, 0x8e, 0xbb, 0x80, 0xf4, 0x48, 0x33,
+    0x34, 0x53, 0x4a, 0x05, 0x43, 0x90, 0x34, 0x60, 0x7f, 0x2b, 0x2d, 0x42, 0x1a, 0x6b, 0x70, 0x6e, 0xbf, 0xd5, 0x83,
+    0x34, 0x96, 0x6a, 0x0f, 0x71, 0x26, 0x66, 0x2d, 0x7a, 0xd2, 0x29, 0xde, 0x0b, 0x7d, 0x86, 0xc3, 0x2b, 0xd3, 0x18,
+    0x14, 0xe9, 0x97, 0x63, 0x75, 0xd1, 0xd6, 0x84, 0x78, 0xd9, 0xc5, 0x08, 0xfc, 0x10, 0x11, 0xf3, 0xb5, 0x74, 0xba,
+    0x3f, 0x7c, 0x78, 0xf6, 0x50, 0x4a, 0x6d, 0xda, 0xd6, 0x93, 0x3b, 0x3e, 0xc2, 0x21, 0xef, 0xb5, 0x59, 0x82, 0x73,
+    0x0d, 0xc4, 0x77, 0xd3, 0x31, 0xeb, 0xfd, 0x23, 0x2d, 0xfe, 0xcb, 0xe2, 0x52, 0x2c, 0x47, 0x1c, 0xa8, 0x79, 0x26,
+    0x56, 0x0c, 0xc5, 0x11, 0xcd, 0x00, 0x73, 0xb2, 0xf5, 0xcd, 0xc7, 0x7b, 0xe7, 0xfe, 0x9d, 0x9b, 0xce, 0x5d, 0x47,
+    0x08, 0xe6, 0xa1, 0xd6, 0x92, 0xe7, 0x11, 0xb6, 0x68, 0x5b, 0x95, 0x86, 0x2c, 0x2d, 0x18, 0x21, 0x94, 0x74, 0x31,
+    0xd1, 0xea, 0xae, 0x5d, 0x08, 0xd3, 0x87, 0xab, 0xc2, 0xc4, 0xf5, 0x12, 0x94, 0x8c, 0x72, 0xf4, 0xf8, 0x2a, 0x0d,
+    0xa7, 0xb8, 0x6b, 0x20, 0x02};
+
+// Backwards compatibility alias
+#define INDEX_GZ INDEX_BR
+
+#endif  // USE_CAPTIVE_PORTAL_GZIP
+
+}  // namespace esphome::captive_portal

esphome/components/captive_portal/captive_portal.cpp

@@ -43,17 +43,28 @@ void CaptivePortal::handle_config(AsyncWebServerRequest *request) {
                    scan.get_with_auth());
 #endif
   }
+#ifdef USE_WEBSERVER
+  stream->print(ESPHOME_F("],\"web_server\":true}"));
+#else
   stream->print(ESPHOME_F("]}"));
+#endif
   request->send(stream);
 }
 void CaptivePortal::handle_wifisave(AsyncWebServerRequest *request) {
   std::string ssid = request->arg("ssid").c_str();  // NOLINT(readability-redundant-string-cstr)
   std::string psk = request->arg("psk").c_str();    // NOLINT(readability-redundant-string-cstr)
-  ESP_LOGI(TAG, "Requested WiFi Settings Change:");
-  ESP_LOGI(TAG, "  SSID='%s'", ssid.c_str());
-  ESP_LOGI(TAG, "  Password=" LOG_SECRET("'%s'"), psk.c_str());
+  ESP_LOGI(TAG,
+           "Requested WiFi Settings Change:\n"
+           "  SSID='%s'\n"
+           "  Password=" LOG_SECRET("'%s'"),
+           ssid.c_str(), psk.c_str());
+#ifdef USE_ESP8266
+  // ESP8266 is single-threaded, call directly
+  wifi::global_wifi_component->save_wifi_sta(ssid, psk);
+#else
   // Defer save to main loop thread to avoid NVS operations from HTTP thread
   this->defer([ssid, psk]() { wifi::global_wifi_component->save_wifi_sta(ssid, psk); });
+#endif
   request->redirect(ESPHOME_F("/?save"));
 }
 
@@ -69,16 +80,9 @@ void CaptivePortal::start() {
 
   network::IPAddress ip = wifi::global_wifi_component->wifi_soft_ap_ip();
 
-#ifdef USE_ESP_IDF
-  // Create DNS server instance for ESP-IDF
+  // Create DNS server instance with domain allowlisting support
   this->dns_server_ = make_unique<DNSServer>();
   this->dns_server_->start(ip);
-#endif
-#ifdef USE_ARDUINO
-  this->dns_server_ = make_unique<DNSServer>();
-  this->dns_server_->setErrorReplyCode(DNSReplyCode::NoError);
-  this->dns_server_->start(53, ESPHOME_F("*"), ip);
-#endif
 
   this->initialized_ = true;
   this->active_ = true;
@@ -106,7 +110,11 @@ void CaptivePortal::handleRequest(AsyncWebServerRequest *req) {
 #else
   auto *response = req->beginResponse_P(200, ESPHOME_F("text/html"), INDEX_GZ, sizeof(INDEX_GZ));
 #endif
+#ifdef USE_CAPTIVE_PORTAL_GZIP
   response->addHeader(ESPHOME_F("Content-Encoding"), ESPHOME_F("gzip"));
+#else
+  response->addHeader(ESPHOME_F("Content-Encoding"), ESPHOME_F("br"));
+#endif
   req->send(response);
 }
 
@@ -117,6 +125,10 @@ float CaptivePortal::get_setup_priority() const {
 }
 void CaptivePortal::dump_config() { ESP_LOGCONFIG(TAG, "Captive Portal:"); }
 
+bool CaptivePortal::canHandle(AsyncWebServerRequest *request) const {
+  return this->active_ && request->method() == HTTP_GET;
+}
+
 CaptivePortal *global_captive_portal = nullptr;  // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
 
 }  // namespace captive_portal

esphome/components/captive_portal/captive_portal.h

@@ -2,11 +2,10 @@
 #include "esphome/core/defines.h"
 #ifdef USE_CAPTIVE_PORTAL
 #include <memory>
-#ifdef USE_ARDUINO
-#include <DNSServer.h>
-#endif
-#ifdef USE_ESP_IDF
+#if defined(USE_ESP32)
 #include "dns_server_esp32_idf.h"
+#elif defined(USE_ESP8266) || defined(USE_RP2040) || defined(USE_LIBRETINY)
+#include "dns_server_arduino.h"
 #endif
 #include "esphome/core/component.h"
 #include "esphome/core/helpers.h"
@@ -23,16 +22,9 @@ class CaptivePortal : public AsyncWebHandler, public Component {
   void setup() override;
   void dump_config() override;
   void loop() override {
-#ifdef USE_ARDUINO
-    if (this->dns_server_ != nullptr) {
-      this->dns_server_->processNextRequest();
-    }
-#endif
-#ifdef USE_ESP_IDF
     if (this->dns_server_ != nullptr) {
       this->dns_server_->process_next_request();
     }
-#endif
   }
   float get_setup_priority() const override;
   void start();
@@ -47,12 +39,7 @@ class CaptivePortal : public AsyncWebHandler, public Component {
     }
   }
 
-  bool canHandle(AsyncWebServerRequest *request) const override {
-    // Handle all GET requests when captive portal is active
-    // This allows us to respond with the portal page for any URL,
-    // triggering OS captive portal detection
-    return this->active_ && request->method() == HTTP_GET;
-  }
+  bool canHandle(AsyncWebServerRequest *request) const override;
 
   void handle_config(AsyncWebServerRequest *request);
 
@@ -64,7 +51,7 @@ class CaptivePortal : public AsyncWebHandler, public Component {
   web_server_base::WebServerBase *base_;
   bool initialized_{false};
   bool active_{false};
-#if defined(USE_ARDUINO) || defined(USE_ESP_IDF)
+#if defined(USE_ARDUINO) || defined(USE_ESP32)
   std::unique_ptr<DNSServer> dns_server_{nullptr};
 #endif
 };

esphome/components/captive_portal/dns_server_arduino.cpp

@@ -0,0 +1,130 @@
+#include "dns_server_arduino.h"
+#if defined(USE_ESP8266) || defined(USE_RP2040) || defined(USE_LIBRETINY)
+
+#include "dns_server_common.h"
+#include "esphome/core/log.h"
+#include <lwip/def.h>
+
+namespace esphome::captive_portal {
+
+static const char *const TAG = "captive_portal.dns";
+
+void DNSServer::start(const network::IPAddress &ip) {
+  this->server_ip_ = ip;
+  ESP_LOGV(TAG, "Starting DNS server");
+
+  this->udp_ = make_unique<WiFiUDP>();
+  if (!this->udp_->begin(DNS_PORT)) {
+    ESP_LOGE(TAG, "Failed to start UDP on port %d", DNS_PORT);
+    this->udp_ = nullptr;
+    return;
+  }
+  ESP_LOGV(TAG, "Bound to port %d", DNS_PORT);
+}
+
+void DNSServer::stop() {
+  if (this->udp_ != nullptr) {
+    this->udp_->stop();
+    this->udp_ = nullptr;
+  }
+  ESP_LOGV(TAG, "Stopped");
+}
+
+void DNSServer::process_next_request() {
+  if (this->udp_ == nullptr) {
+    return;
+  }
+
+  int packet_size = this->udp_->parsePacket();
+  if (packet_size == 0) {
+    return;
+  }
+
+  if (packet_size > static_cast<int>(sizeof(this->buffer_))) {
+    // Packet too large, skip it
+    while (this->udp_->available()) {
+      this->udp_->read();
+    }
+    return;
+  }
+
+  int len = this->udp_->read(this->buffer_, sizeof(this->buffer_));
+  if (len < static_cast<int>(sizeof(DNSHeader) + 1)) {
+    ESP_LOGV(TAG, "Request too short: %d", len);
+    return;
+  }
+
+  // Parse DNS header
+  DNSHeader *header = (DNSHeader *) this->buffer_;
+  uint16_t flags = ntohs(header->flags);
+  uint16_t qd_count = ntohs(header->qd_count);
+
+  // Check if it's a standard query
+  if ((flags & DNS_QR_FLAG) || (flags & DNS_OPCODE_MASK) || qd_count != 1) {
+    ESP_LOGV(TAG, "Not a standard query: flags=0x%04X, qd_count=%d", flags, qd_count);
+    return;
+  }
+
+  // Parse domain name
+  uint8_t *ptr = this->buffer_ + sizeof(DNSHeader);
+  uint8_t *end = this->buffer_ + len;
+  char domain[128];
+
+  ptr = parse_dns_domain(ptr, end, domain, sizeof(domain));
+  if (ptr == nullptr) {
+    return;  // Invalid domain name
+  }
+
+  // Check allowlist and send REFUSED if needed
+  if (is_allowlisted_domain(domain)) {
+    ESP_LOGV(TAG, "Allowlisted domain, sending REFUSED: %s", domain);
+    build_dns_refused_header(header);
+    this->udp_->beginPacket(this->udp_->remoteIP(), this->udp_->remotePort());
+    this->udp_->write(this->buffer_, len);
+    this->udp_->endPacket();
+    return;
+  }
+
+  ESP_LOGV(TAG, "Redirecting DNS query for: %s", domain);
+
+  // Check we have room for the question
+  if (ptr + sizeof(DNSQuestion) > end) {
+    return;
+  }
+
+  // Parse DNS question
+  DNSQuestion *question = (DNSQuestion *) ptr;
+  uint16_t qtype = ntohs(question->type);
+  uint16_t qclass = ntohs(question->dns_class);
+
+  if (qtype != DNS_QTYPE_A || qclass != DNS_QCLASS_IN) {
+    ESP_LOGV(TAG, "Not an A query: type=0x%04X, class=0x%04X", qtype, qclass);
+    return;
+  }
+
+  // Build DNS response
+  build_dns_response_header(header);
+
+  // Add answer section after the question
+  size_t question_end_offset = (ptr + sizeof(DNSQuestion)) - this->buffer_;
+  if (build_dns_answer(this->buffer_, sizeof(this->buffer_), question_end_offset,
+                       static_cast<uint32_t>(this->server_ip_)) == nullptr) {
+    ESP_LOGW(TAG, "Response too large");
+    return;
+  }
+
+  size_t response_len = question_end_offset + sizeof(DNSAnswer);
+
+  // Send response
+  this->udp_->beginPacket(this->udp_->remoteIP(), this->udp_->remotePort());
+  this->udp_->write(this->buffer_, response_len);
+  if (!this->udp_->endPacket()) {
+    ESP_LOGV(TAG, "Send failed");
+  } else {
+    ESP_LOGV(TAG, "Sent %d bytes", response_len);
+  }
+}
+
+}  // namespace esphome::captive_portal
+
+#endif  // USE_ESP8266 || USE_RP2040 || USE_LIBRETINY

esphome/components/captive_portal/dns_server_arduino.h

@@ -0,0 +1,26 @@
+#pragma once
+#if defined(USE_ESP8266) || defined(USE_RP2040) || defined(USE_LIBRETINY)
+
+#include <memory>
+#include "dns_server_common.h"
+#include "esphome/core/helpers.h"
+#include "esphome/components/network/ip_address.h"
+#include <WiFiUdp.h>
+
+namespace esphome::captive_portal {
+
+class DNSServer {
+ public:
+  void start(const network::IPAddress &ip);
+  void stop();
+  void process_next_request();
+
+ protected:
+  std::unique_ptr<WiFiUDP> udp_{nullptr};
+  network::IPAddress server_ip_;
+  uint8_t buffer_[DNS_BUFFER_SIZE];
+};
+
+}  // namespace esphome::captive_portal
+
+#endif  // USE_ESP8266 || USE_RP2040 || USE_LIBRETINY

esphome/components/captive_portal/dns_server_common.h

@@ -0,0 +1,133 @@
+#pragma once
+#include <cstdint>
+#include <cstring>
+#include <lwip/def.h>
+#include "esphome/core/defines.h"
+#include "esphome/core/progmem.h"
+
+namespace esphome::captive_portal {
+
+// DNS constants
+static constexpr uint16_t DNS_PORT = 53;
+static constexpr uint16_t DNS_QR_FLAG = 1 << 15;
+static constexpr uint16_t DNS_OPCODE_MASK = 0x7800;
+static constexpr uint16_t DNS_QTYPE_A = 0x0001;
+static constexpr uint16_t DNS_QCLASS_IN = 0x0001;
+static constexpr uint16_t DNS_ANSWER_TTL = 300;
+static constexpr size_t DNS_BUFFER_SIZE = 192;
+
+// DNS Header structure
+struct DNSHeader {
+  uint16_t id;
+  uint16_t flags;
+  uint16_t qd_count;
+  uint16_t an_count;
+  uint16_t ns_count;
+  uint16_t ar_count;
+} __attribute__((packed));
+
+// DNS Question structure
+struct DNSQuestion {
+  uint16_t type;
+  uint16_t dns_class;
+} __attribute__((packed));
+
+// DNS Answer structure
+struct DNSAnswer {
+  uint16_t ptr_offset;
+  uint16_t type;
+  uint16_t dns_class;
+  uint32_t ttl;
+  uint16_t addr_len;
+  uint32_t ip_addr;
+} __attribute__((packed));
+
+/// Check if domain is allowlisted (web_server CDN domains)
+/// Returns true if the domain should NOT be redirected
+inline bool is_allowlisted_domain([[maybe_unused]] const char *domain) {
+#ifdef USE_WEBSERVER
+#ifdef WEBSERVER_CDN_DOMAIN_0
+  if (ESPHOME_strcasecmp_P(domain, ESPHOME_F(WEBSERVER_CDN_DOMAIN_0)) == 0)
+    return true;
+#endif
+#ifdef WEBSERVER_CDN_DOMAIN_1
+  if (ESPHOME_strcasecmp_P(domain, ESPHOME_F(WEBSERVER_CDN_DOMAIN_1)) == 0)
+    return true;
+#endif
+#endif
+  return false;
+}
+
+/// Parse DNS domain name from packet into string buffer
+/// Returns pointer past the domain name (after null terminator), or nullptr on error
+inline uint8_t *parse_dns_domain(uint8_t *ptr, const uint8_t *end, char *domain, size_t domain_size) {
+  size_t domain_len = 0;
+
+  while (ptr < end && *ptr != 0) {
+    uint8_t label_len = *ptr;
+    if (label_len > 63) {  // Check for invalid label length
+      return nullptr;
+    }
+    // Check if we have room for this label plus the length byte
+    if (ptr + label_len + 1 > end) {
+      return nullptr;  // Would overflow
+    }
+    // Add dot separator if not first label
+    if (domain_len > 0 && domain_len < domain_size - 1) {
+      domain[domain_len++] = '.';
+    }
+    // Copy label to domain string
+    for (uint8_t i = 0; i < label_len && domain_len < domain_size - 1; i++) {
+      domain[domain_len++] = ptr[1 + i];
+    }
+    ptr += label_len + 1;
+  }
+  domain[domain_len] = '\0';
+
+  // Check if we reached a proper null terminator
+  if (ptr >= end || *ptr != 0) {
+    return nullptr;  // Name not terminated or truncated
+  }
+  return ptr + 1;  // Skip the null terminator
+}
+
+/// Build DNS response header for A record query
+/// Modifies header in place, returns true if successful
+inline void build_dns_response_header(DNSHeader *header) {
+  header->flags = htons(DNS_QR_FLAG | 0x8000);  // Response + Authoritative
+  header->an_count = htons(1);                  // One answer
+}
+
+/// Build DNS REFUSED response header
+/// Used when domain is allowlisted to trigger fallback to other DNS
+inline void build_dns_refused_header(DNSHeader *header) {
+  header->flags = htons(DNS_QR_FLAG | 0x8005);  // Response + REFUSED
+  header->an_count = 0;
+  header->ns_count = 0;
+  header->ar_count = 0;
+}
+
+/// Build DNS answer section
+/// Returns the answer pointer, or nullptr if buffer too small
+inline DNSAnswer *build_dns_answer(uint8_t *buffer, size_t buffer_size, size_t question_end_offset, uint32_t ip_addr) {
+  size_t answer_offset = question_end_offset;
+
+  // Check if we have room for the answer
+  if (answer_offset + sizeof(DNSAnswer) > buffer_size) {
+    return nullptr;
+  }
+
+  DNSAnswer *answer = reinterpret_cast<DNSAnswer *>(buffer + answer_offset);
+
+  // Pointer to name in question (offset from start of packet)
+  answer->ptr_offset = htons(0xC000 | sizeof(DNSHeader));
+  answer->type = htons(DNS_QTYPE_A);
+  answer->dns_class = htons(DNS_QCLASS_IN);
+  answer->ttl = htonl(DNS_ANSWER_TTL);
+  answer->addr_len = htons(4);
+  answer->ip_addr = ip_addr;
+
+  return answer;
+}
+
+}  // namespace esphome::captive_portal

esphome/components/captive_portal/dns_server_esp32_idf.cpp

@@ -1,8 +1,8 @@
 #include "dns_server_esp32_idf.h"
-#ifdef USE_ESP_IDF
+#ifdef USE_ESP32
 
+#include "dns_server_common.h"
 #include "esphome/core/log.h"
-#include "esphome/core/hal.h"
 #include "esphome/components/socket/socket.h"
 #include <lwip/sockets.h>
 #include <lwip/inet.h>
@@ -11,43 +11,12 @@ namespace esphome::captive_portal {
 
 static const char *const TAG = "captive_portal.dns";
 
-// DNS constants
-static constexpr uint16_t DNS_PORT = 53;
-static constexpr uint16_t DNS_QR_FLAG = 1 << 15;
-static constexpr uint16_t DNS_OPCODE_MASK = 0x7800;
-static constexpr uint16_t DNS_QTYPE_A = 0x0001;
-static constexpr uint16_t DNS_QCLASS_IN = 0x0001;
-static constexpr uint16_t DNS_ANSWER_TTL = 300;
-
-// DNS Header structure
-struct DNSHeader {
-  uint16_t id;
-  uint16_t flags;
-  uint16_t qd_count;
-  uint16_t an_count;
-  uint16_t ns_count;
-  uint16_t ar_count;
-} __attribute__((packed));
-
-// DNS Question structure
-struct DNSQuestion {
-  uint16_t type;
-  uint16_t dns_class;
-} __attribute__((packed));
-
-// DNS Answer structure
-struct DNSAnswer {
-  uint16_t ptr_offset;
-  uint16_t type;
-  uint16_t dns_class;
-  uint32_t ttl;
-  uint16_t addr_len;
-  uint32_t ip_addr;
-} __attribute__((packed));
-
 void DNSServer::start(const network::IPAddress &ip) {
   this->server_ip_ = ip;
-  ESP_LOGV(TAG, "Starting DNS server on %s", ip.str().c_str());
+#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
+  char ip_buf[network::IP_ADDRESS_BUFFER_SIZE];
+  ESP_LOGV(TAG, "Starting DNS server on %s", ip.str_to(ip_buf));
+#endif
 
   // Create loop-monitored UDP socket
   this->socket_ = socket::socket_ip_loop_monitored(SOCK_DGRAM, IPPROTO_UDP);
@@ -123,27 +92,28 @@ void DNSServer::process_next_request() {
     return;  // Not a standard query
   }
 
-  // Parse domain name (we don't actually care about it - redirect everything)
+  // Parse domain name
   uint8_t *ptr = this->buffer_ + sizeof(DNSHeader);
   uint8_t *end = this->buffer_ + len;
+  char domain[128];
 
-  while (ptr < end && *ptr != 0) {
-    uint8_t label_len = *ptr;
-    if (label_len > 63) {  // Check for invalid label length
-      return;
-    }
-    // Check if we have room for this label plus the length byte
-    if (ptr + label_len + 1 > end) {
-      return;  // Would overflow
-    }
-    ptr += label_len + 1;
+  ptr = parse_dns_domain(ptr, end, domain, sizeof(domain));
+  if (ptr == nullptr) {
+    return;  // Invalid domain name
   }
 
-  // Check if we reached a proper null terminator
-  if (ptr >= end || *ptr != 0) {
-    return;  // Name not terminated or truncated
+  // Check allowlist and send REFUSED if needed
+  if (is_allowlisted_domain(domain)) {
+    ESP_LOGV(TAG, "Allowlisted domain, sending REFUSED: %s", domain);
+    build_dns_refused_header(header);
+    ssize_t sent = this->socket_->sendto(this->buffer_, len, 0, (struct sockaddr *) &client_addr, client_addr_len);
+    if (sent < 0) {
+      ESP_LOGV(TAG, "Send REFUSED failed: %d", errno);
+    }
+    return;
   }
-  ptr++;  // Skip the null terminator
+
+  ESP_LOGV(TAG, "Redirecting DNS query for: %s", domain);
 
   // Check we have room for the question
   if (ptr + sizeof(DNSQuestion) > end) {
@@ -161,34 +131,18 @@ void DNSServer::process_next_request() {
     return;  // Not an A query
   }
 
-  // Build DNS response by modifying the request in-place
-  header->flags = htons(DNS_QR_FLAG | 0x8000);  // Response + Authoritative
-  header->an_count = htons(1);                  // One answer
+  // Build DNS response
+  build_dns_response_header(header);
 
   // Add answer section after the question
-  size_t question_len = (ptr + sizeof(DNSQuestion)) - this->buffer_ - sizeof(DNSHeader);
-  size_t answer_offset = sizeof(DNSHeader) + question_len;
-
-  // Check if we have room for the answer
-  if (answer_offset + sizeof(DNSAnswer) > sizeof(this->buffer_)) {
+  size_t question_end_offset = (ptr + sizeof(DNSQuestion)) - this->buffer_;
+  ip4_addr_t addr = this->server_ip_;
+  if (build_dns_answer(this->buffer_, sizeof(this->buffer_), question_end_offset, addr.addr) == nullptr) {
     ESP_LOGW(TAG, "Response too large");
     return;
   }
 
-  DNSAnswer *answer = (DNSAnswer *) (this->buffer_ + answer_offset);
-
-  // Pointer to name in question (offset from start of packet)
-  answer->ptr_offset = htons(0xC000 | sizeof(DNSHeader));
-  answer->type = htons(DNS_QTYPE_A);
-  answer->dns_class = htons(DNS_QCLASS_IN);
-  answer->ttl = htonl(DNS_ANSWER_TTL);
-  answer->addr_len = htons(4);
-
-  // Get the raw IP address
-  ip4_addr_t addr = this->server_ip_;
-  answer->ip_addr = addr.addr;
-
-  size_t response_len = answer_offset + sizeof(DNSAnswer);
+  size_t response_len = question_end_offset + sizeof(DNSAnswer);
 
   // Send response
   ssize_t sent =
@@ -202,4 +156,4 @@ void DNSServer::process_next_request() {
 
 }  // namespace esphome::captive_portal
 
-#endif  // USE_ESP_IDF
+#endif  // USE_ESP32

esphome/components/captive_portal/dns_server_esp32_idf.h

@@ -1,7 +1,8 @@
 #pragma once
-#ifdef USE_ESP_IDF
+#ifdef USE_ESP32
 
 #include <memory>
+#include "dns_server_common.h"
 #include "esphome/core/helpers.h"
 #include "esphome/components/network/ip_address.h"
 #include "esphome/components/socket/socket.h"
@@ -15,8 +16,6 @@ class DNSServer {
   void process_next_request();
 
  protected:
-  static constexpr size_t DNS_BUFFER_SIZE = 192;
-
   std::unique_ptr<socket::Socket> socket_{nullptr};
   network::IPAddress server_ip_;
   uint8_t buffer_[DNS_BUFFER_SIZE];
@@ -24,4 +23,4 @@ class DNSServer {
 
 }  // namespace esphome::captive_portal
 
-#endif  // USE_ESP_IDF
+#endif  // USE_ESP32

esphome/components/cc1101/__init__.py

@@ -264,6 +264,7 @@ async def to_code(config):
             var.get_packet_trigger(),
             [
                 (cg.std_vector.template(cg.uint8), "x"),
+                (cg.float_, "freq_offset"),
                 (cg.float_, "rssi"),
                 (cg.uint8, "lqi"),
             ],