Merge pull request #12569 from esphome/bump-2025.12.1

2025.12.1

.github/actions/restore-python/action.yml

@@ -22,7 +22,7 @@ runs:
         python-version: ${{ inputs.python-version }}
     - name: Restore Python virtual environment
       id: cache-venv
-      uses: actions/cache/restore@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
+      uses: actions/cache/restore@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
       with:
         path: venv
         # yamllint disable-line rule:line-length

.github/workflows/auto-label-pr.yml

@@ -26,7 +26,7 @@ jobs:
 
       - name: Generate a token
         id: generate-token
-        uses: actions/create-github-app-token@29824e69f54612133e76f7eaac726eef6c875baf # v2
+        uses: actions/create-github-app-token@7e473efe3cb98aa54f8d4bac15400b15fad77d94 # v2
         with:
           app-id: ${{ secrets.ESPHOME_GITHUB_APP_ID }}
           private-key: ${{ secrets.ESPHOME_GITHUB_APP_PRIVATE_KEY }}

.github/workflows/ci-api-proto.yml

@@ -62,7 +62,7 @@ jobs:
         run: git diff
       - if: failure()
         name: Archive artifacts
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
         with:
           name: generated-proto-files
           path: |

.github/workflows/ci.yml

@@ -47,7 +47,7 @@ jobs:
           python-version: ${{ env.DEFAULT_PYTHON }}
       - name: Restore Python virtual environment
         id: cache-venv
-        uses: actions/cache@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: venv
           # yamllint disable-line rule:line-length
@@ -152,12 +152,12 @@ jobs:
           . venv/bin/activate
           pytest -vv --cov-report=xml --tb=native -n auto tests --ignore=tests/integration/
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@671740ac38dd9b0130fbe1cec585b89eea48d3de # v5.5.2
+        uses: codecov/codecov-action@5a1091511ad55cbe89839c7260b706298ca349f7 # v5.5.1
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
       - name: Save Python virtual environment cache
         if: github.ref == 'refs/heads/dev'
-        uses: actions/cache/save@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
+        uses: actions/cache/save@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: venv
           key: ${{ runner.os }}-${{ steps.restore-python.outputs.python-version }}-venv-${{ needs.common.outputs.cache-key }}
@@ -193,7 +193,7 @@ jobs:
           python-version: ${{ env.DEFAULT_PYTHON }}
           cache-key: ${{ needs.common.outputs.cache-key }}
       - name: Restore components graph cache
-        uses: actions/cache/restore@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
+        uses: actions/cache/restore@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: .temp/components_graph.json
           key: components-graph-${{ hashFiles('esphome/components/**/*.py') }}
@@ -223,7 +223,7 @@ jobs:
           echo "component-test-batches=$(echo "$output" | jq -c '.component_test_batches')" >> $GITHUB_OUTPUT
       - name: Save components graph cache
         if: github.ref == 'refs/heads/dev'
-        uses: actions/cache/save@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
+        uses: actions/cache/save@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: .temp/components_graph.json
           key: components-graph-${{ hashFiles('esphome/components/**/*.py') }}
@@ -245,7 +245,7 @@ jobs:
           python-version: "3.13"
       - name: Restore Python virtual environment
         id: cache-venv
-        uses: actions/cache@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: venv
           key: ${{ runner.os }}-${{ steps.python.outputs.python-version }}-venv-${{ needs.common.outputs.cache-key }}
@@ -334,14 +334,14 @@ jobs:
 
       - name: Cache platformio
         if: github.ref == 'refs/heads/dev'
-        uses: actions/cache@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: ~/.platformio
           key: platformio-${{ matrix.pio_cache_key }}-${{ hashFiles('platformio.ini') }}
 
       - name: Cache platformio
         if: github.ref != 'refs/heads/dev'
-        uses: actions/cache/restore@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
+        uses: actions/cache/restore@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: ~/.platformio
           key: platformio-${{ matrix.pio_cache_key }}-${{ hashFiles('platformio.ini') }}
@@ -413,14 +413,14 @@ jobs:
 
       - name: Cache platformio
         if: github.ref == 'refs/heads/dev'
-        uses: actions/cache@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: ~/.platformio
           key: platformio-tidyesp32-${{ hashFiles('platformio.ini') }}
 
       - name: Cache platformio
         if: github.ref != 'refs/heads/dev'
-        uses: actions/cache/restore@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
+        uses: actions/cache/restore@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: ~/.platformio
           key: platformio-tidyesp32-${{ hashFiles('platformio.ini') }}
@@ -502,14 +502,14 @@ jobs:
 
       - name: Cache platformio
         if: github.ref == 'refs/heads/dev'
-        uses: actions/cache@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: ~/.platformio
           key: platformio-tidyesp32-${{ hashFiles('platformio.ini') }}
 
       - name: Cache platformio
         if: github.ref != 'refs/heads/dev'
-        uses: actions/cache/restore@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
+        uses: actions/cache/restore@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: ~/.platformio
           key: platformio-tidyesp32-${{ hashFiles('platformio.ini') }}
@@ -735,7 +735,7 @@ jobs:
       - name: Restore cached memory analysis
         id: cache-memory-analysis
         if: steps.check-script.outputs.skip != 'true'
-        uses: actions/cache/restore@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
+        uses: actions/cache/restore@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: memory-analysis-target.json
           key: ${{ steps.cache-key.outputs.cache-key }}
@@ -759,7 +759,7 @@ jobs:
 
       - name: Cache platformio
         if: steps.check-script.outputs.skip != 'true' && steps.cache-memory-analysis.outputs.cache-hit != 'true'
-        uses: actions/cache/restore@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
+        uses: actions/cache/restore@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: ~/.platformio
           key: platformio-memory-${{ fromJSON(needs.determine-jobs.outputs.memory_impact).platform }}-${{ hashFiles('platformio.ini') }}
@@ -800,7 +800,7 @@ jobs:
 
       - name: Save memory analysis to cache
         if: steps.check-script.outputs.skip != 'true' && steps.cache-memory-analysis.outputs.cache-hit != 'true' && steps.build.outcome == 'success'
-        uses: actions/cache/save@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
+        uses: actions/cache/save@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: memory-analysis-target.json
           key: ${{ steps.cache-key.outputs.cache-key }}
@@ -821,7 +821,7 @@ jobs:
           fi
 
       - name: Upload memory analysis JSON
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
         with:
           name: memory-analysis-target
           path: memory-analysis-target.json
@@ -847,7 +847,7 @@ jobs:
           python-version: ${{ env.DEFAULT_PYTHON }}
           cache-key: ${{ needs.common.outputs.cache-key }}
       - name: Cache platformio
-        uses: actions/cache/restore@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
+        uses: actions/cache/restore@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: ~/.platformio
           key: platformio-memory-${{ fromJSON(needs.determine-jobs.outputs.memory_impact).platform }}-${{ hashFiles('platformio.ini') }}
@@ -885,7 +885,7 @@ jobs:
             --platform "$platform"
 
       - name: Upload memory analysis JSON
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
         with:
           name: memory-analysis-pr
           path: memory-analysis-pr.json
@@ -915,13 +915,13 @@ jobs:
           python-version: ${{ env.DEFAULT_PYTHON }}
           cache-key: ${{ needs.common.outputs.cache-key }}
       - name: Download target analysis JSON
-        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
+        uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
         with:
           name: memory-analysis-target
           path: ./memory-analysis
         continue-on-error: true
       - name: Download PR analysis JSON
-        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
+        uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
         with:
           name: memory-analysis-pr
           path: ./memory-analysis

.github/workflows/codeql.yml

@@ -58,7 +58,7 @@ jobs:
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@1b168cd39490f61582a9beae412bb7057a6b2c4e # v4.31.8
+        uses: github/codeql-action/init@cf1bb45a277cb3c205638b2cd5c984db1c46a412 # v4.31.7
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
@@ -86,6 +86,6 @@ jobs:
           exit 1
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@1b168cd39490f61582a9beae412bb7057a6b2c4e # v4.31.8
+        uses: github/codeql-action/analyze@cf1bb45a277cb3c205638b2cd5c984db1c46a412 # v4.31.7
         with:
           category: "/language:${{matrix.language}}"

.github/workflows/release.yml

@@ -138,7 +138,7 @@ jobs:
       #     version: ${{ needs.init.outputs.tag }}
 
       - name: Upload digests
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
         with:
           name: digests-${{ matrix.platform.arch }}
           path: /tmp/digests
@@ -171,7 +171,7 @@ jobs:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       - name: Download digests
-        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
+        uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
         with:
           pattern: digests-*
           path: /tmp/digests
@@ -221,7 +221,7 @@ jobs:
     steps:
       - name: Generate a token
         id: generate-token
-        uses: actions/create-github-app-token@29824e69f54612133e76f7eaac726eef6c875baf # v2.2.1
+        uses: actions/create-github-app-token@7e473efe3cb98aa54f8d4bac15400b15fad77d94 # v2.2.0
         with:
           app-id: ${{ secrets.ESPHOME_GITHUB_APP_ID }}
           private-key: ${{ secrets.ESPHOME_GITHUB_APP_PRIVATE_KEY }}
@@ -256,7 +256,7 @@ jobs:
     steps:
       - name: Generate a token
         id: generate-token
-        uses: actions/create-github-app-token@29824e69f54612133e76f7eaac726eef6c875baf # v2.2.1
+        uses: actions/create-github-app-token@7e473efe3cb98aa54f8d4bac15400b15fad77d94 # v2.2.0
         with:
           app-id: ${{ secrets.ESPHOME_GITHUB_APP_ID }}
           private-key: ${{ secrets.ESPHOME_GITHUB_APP_PRIVATE_KEY }}
@@ -287,7 +287,7 @@ jobs:
     steps:
       - name: Generate a token
         id: generate-token
-        uses: actions/create-github-app-token@29824e69f54612133e76f7eaac726eef6c875baf # v2.2.1
+        uses: actions/create-github-app-token@7e473efe3cb98aa54f8d4bac15400b15fad77d94 # v2.2.0
         with:
           app-id: ${{ secrets.ESPHOME_GITHUB_APP_ID }}
           private-key: ${{ secrets.ESPHOME_GITHUB_APP_PRIVATE_KEY }}

.github/workflows/sync-device-classes.yml

@@ -41,7 +41,7 @@ jobs:
           python script/run-in-env.py pre-commit run --all-files
 
       - name: Commit changes
-        uses: peter-evans/create-pull-request@98357b18bf14b5342f975ff684046ec3b2a07725 # v8.0.0
+        uses: peter-evans/create-pull-request@22a9089034f40e5a961c8808d113e2c98fb63676 # v7.0.11
         with:
           commit-message: "Synchronise Device Classes from Home Assistant"
           committer: esphomebot <esphome@openhomefoundation.org>

.pre-commit-config.yaml

@@ -11,7 +11,7 @@ ci:
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
     # Ruff version.
-    rev: v0.14.9
+    rev: v0.14.8
     hooks:
       # Run the linter.
       - id: ruff

Doxyfile

@@ -48,7 +48,7 @@ PROJECT_NAME           = ESPHome
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 2026.1.0-dev
+PROJECT_NUMBER         = 2025.12.1
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a

esphome/__main__.py

@@ -741,13 +741,6 @@ def command_vscode(args: ArgsProtocol) -> int | None:
 
 
 def command_compile(args: ArgsProtocol, config: ConfigType) -> int | None:
-    # Set memory analysis options in config
-    if args.analyze_memory:
-        config.setdefault(CONF_ESPHOME, {})["analyze_memory"] = True
-
-    if args.memory_report:
-        config.setdefault(CONF_ESPHOME, {})["memory_report_file"] = args.memory_report
-
     exit_code = write_cpp(config)
     if exit_code != 0:
         return exit_code
@@ -1227,17 +1220,6 @@ def parse_args(argv):
         help="Only generate source code, do not compile.",
         action="store_true",
     )
-    parser_compile.add_argument(
-        "--analyze-memory",
-        help="Analyze and display memory usage by component after compilation.",
-        action="store_true",
-    )
-    parser_compile.add_argument(
-        "--memory-report",
-        help="Save memory analysis report to a file (supports .json or .txt).",
-        type=str,
-        metavar="FILE",
-    )
 
     parser_upload = subparsers.add_parser(
         "upload",

esphome/analyze_memory/cli.py

@@ -1,7 +1,6 @@
 """CLI interface for memory analysis with report generation."""
 
 from collections import defaultdict
-import json
 import sys
 
 from . import (
@@ -298,28 +297,6 @@ class MemoryAnalyzerCLI(MemoryAnalyzer):
 
         return "\n".join(lines)
 
-    def to_json(self) -> str:
-        """Export analysis results as JSON."""
-        data = {
-            "components": {
-                name: {
-                    "text": mem.text_size,
-                    "rodata": mem.rodata_size,
-                    "data": mem.data_size,
-                    "bss": mem.bss_size,
-                    "flash_total": mem.flash_total,
-                    "ram_total": mem.ram_total,
-                    "symbol_count": mem.symbol_count,
-                }
-                for name, mem in self.components.items()
-            },
-            "totals": {
-                "flash": sum(c.flash_total for c in self.components.values()),
-                "ram": sum(c.ram_total for c in self.components.values()),
-            },
-        }
-        return json.dumps(data, indent=2)
-
     def dump_uncategorized_symbols(self, output_file: str | None = None) -> None:
         """Dump uncategorized symbols for analysis."""
         # Sort by size descending

esphome/components/alarm_control_panel/alarm_control_panel.cpp

@@ -35,12 +35,26 @@ void AlarmControlPanel::publish_state(AlarmControlPanelState state) {
     ESP_LOGD(TAG, "Set state to: %s, previous: %s", LOG_STR_ARG(alarm_control_panel_state_to_string(state)),
              LOG_STR_ARG(alarm_control_panel_state_to_string(prev_state)));
     this->current_state_ = state;
-    // Single state callback - triggers check get_state() for specific states
     this->state_callback_.call();
 #if defined(USE_ALARM_CONTROL_PANEL) && defined(USE_CONTROLLER_REGISTRY)
     ControllerRegistry::notify_alarm_control_panel_update(this);
 #endif
-    // Cleared fires when leaving TRIGGERED state
+    if (state == ACP_STATE_TRIGGERED) {
+      this->triggered_callback_.call();
+    } else if (state == ACP_STATE_ARMING) {
+      this->arming_callback_.call();
+    } else if (state == ACP_STATE_PENDING) {
+      this->pending_callback_.call();
+    } else if (state == ACP_STATE_ARMED_HOME) {
+      this->armed_home_callback_.call();
+    } else if (state == ACP_STATE_ARMED_NIGHT) {
+      this->armed_night_callback_.call();
+    } else if (state == ACP_STATE_ARMED_AWAY) {
+      this->armed_away_callback_.call();
+    } else if (state == ACP_STATE_DISARMED) {
+      this->disarmed_callback_.call();
+    }
+
     if (prev_state == ACP_STATE_TRIGGERED) {
       this->cleared_callback_.call();
     }
@@ -55,6 +69,34 @@ void AlarmControlPanel::add_on_state_callback(std::function<void()> &&callback)
   this->state_callback_.add(std::move(callback));
 }
 
+void AlarmControlPanel::add_on_triggered_callback(std::function<void()> &&callback) {
+  this->triggered_callback_.add(std::move(callback));
+}
+
+void AlarmControlPanel::add_on_arming_callback(std::function<void()> &&callback) {
+  this->arming_callback_.add(std::move(callback));
+}
+
+void AlarmControlPanel::add_on_armed_home_callback(std::function<void()> &&callback) {
+  this->armed_home_callback_.add(std::move(callback));
+}
+
+void AlarmControlPanel::add_on_armed_night_callback(std::function<void()> &&callback) {
+  this->armed_night_callback_.add(std::move(callback));
+}
+
+void AlarmControlPanel::add_on_armed_away_callback(std::function<void()> &&callback) {
+  this->armed_away_callback_.add(std::move(callback));
+}
+
+void AlarmControlPanel::add_on_pending_callback(std::function<void()> &&callback) {
+  this->pending_callback_.add(std::move(callback));
+}
+
+void AlarmControlPanel::add_on_disarmed_callback(std::function<void()> &&callback) {
+  this->disarmed_callback_.add(std::move(callback));
+}
+
 void AlarmControlPanel::add_on_cleared_callback(std::function<void()> &&callback) {
   this->cleared_callback_.add(std::move(callback));
 }

esphome/components/alarm_control_panel/alarm_control_panel.h

@@ -35,13 +35,54 @@ class AlarmControlPanel : public EntityBase {
    */
   void publish_state(AlarmControlPanelState state);
 
-  /** Add a callback for when the state of the alarm_control_panel changes.
-   * Triggers can check get_state() to determine the new state.
+  /** Add a callback for when the state of the alarm_control_panel changes
    *
    * @param callback The callback function
    */
   void add_on_state_callback(std::function<void()> &&callback);
 
+  /** Add a callback for when the state of the alarm_control_panel chanes to triggered
+   *
+   * @param callback The callback function
+   */
+  void add_on_triggered_callback(std::function<void()> &&callback);
+
+  /** Add a callback for when the state of the alarm_control_panel chanes to arming
+   *
+   * @param callback The callback function
+   */
+  void add_on_arming_callback(std::function<void()> &&callback);
+
+  /** Add a callback for when the state of the alarm_control_panel changes to pending
+   *
+   * @param callback The callback function
+   */
+  void add_on_pending_callback(std::function<void()> &&callback);
+
+  /** Add a callback for when the state of the alarm_control_panel changes to armed_home
+   *
+   * @param callback The callback function
+   */
+  void add_on_armed_home_callback(std::function<void()> &&callback);
+
+  /** Add a callback for when the state of the alarm_control_panel changes to armed_night
+   *
+   * @param callback The callback function
+   */
+  void add_on_armed_night_callback(std::function<void()> &&callback);
+
+  /** Add a callback for when the state of the alarm_control_panel changes to armed_away
+   *
+   * @param callback The callback function
+   */
+  void add_on_armed_away_callback(std::function<void()> &&callback);
+
+  /** Add a callback for when the state of the alarm_control_panel changes to disarmed
+   *
+   * @param callback The callback function
+   */
+  void add_on_disarmed_callback(std::function<void()> &&callback);
+
   /** Add a callback for when the state of the alarm_control_panel clears from triggered
    *
    * @param callback The callback function
@@ -131,9 +172,23 @@ class AlarmControlPanel : public EntityBase {
   uint32_t last_update_;
   // the call control function
   virtual void control(const AlarmControlPanelCall &call) = 0;
-  // state callback - triggers check get_state() for specific state
+  // state callback
   CallbackManager<void()> state_callback_{};
-  // clear callback - fires when leaving TRIGGERED state
+  // trigger callback
+  CallbackManager<void()> triggered_callback_{};
+  // arming callback
+  CallbackManager<void()> arming_callback_{};
+  // pending callback
+  CallbackManager<void()> pending_callback_{};
+  // armed_home callback
+  CallbackManager<void()> armed_home_callback_{};
+  // armed_night callback
+  CallbackManager<void()> armed_night_callback_{};
+  // armed_away callback
+  CallbackManager<void()> armed_away_callback_{};
+  // disarmed callback
+  CallbackManager<void()> disarmed_callback_{};
+  // clear callback
   CallbackManager<void()> cleared_callback_{};
   // chime callback
   CallbackManager<void()> chime_callback_{};

esphome/components/alarm_control_panel/automation.h

@@ -6,7 +6,6 @@
 namespace esphome {
 namespace alarm_control_panel {
 
-/// Trigger on any state change
 class StateTrigger : public Trigger<> {
  public:
   explicit StateTrigger(AlarmControlPanel *alarm_control_panel) {
@@ -14,30 +13,55 @@ class StateTrigger : public Trigger<> {
   }
 };
 
-/// Template trigger that fires when entering a specific state
-template<AlarmControlPanelState State> class StateEnterTrigger : public Trigger<> {
+class TriggeredTrigger : public Trigger<> {
  public:
-  explicit StateEnterTrigger(AlarmControlPanel *alarm_control_panel) : alarm_control_panel_(alarm_control_panel) {
-    alarm_control_panel->add_on_state_callback([this]() {
-      if (this->alarm_control_panel_->get_state() == State)
-        this->trigger();
-    });
+  explicit TriggeredTrigger(AlarmControlPanel *alarm_control_panel) {
+    alarm_control_panel->add_on_triggered_callback([this]() { this->trigger(); });
   }
-
- protected:
-  AlarmControlPanel *alarm_control_panel_;
 };
 
-// Type aliases for state-specific triggers
-using TriggeredTrigger = StateEnterTrigger<ACP_STATE_TRIGGERED>;
-using ArmingTrigger = StateEnterTrigger<ACP_STATE_ARMING>;
-using PendingTrigger = StateEnterTrigger<ACP_STATE_PENDING>;
-using ArmedHomeTrigger = StateEnterTrigger<ACP_STATE_ARMED_HOME>;
-using ArmedNightTrigger = StateEnterTrigger<ACP_STATE_ARMED_NIGHT>;
-using ArmedAwayTrigger = StateEnterTrigger<ACP_STATE_ARMED_AWAY>;
-using DisarmedTrigger = StateEnterTrigger<ACP_STATE_DISARMED>;
+class ArmingTrigger : public Trigger<> {
+ public:
+  explicit ArmingTrigger(AlarmControlPanel *alarm_control_panel) {
+    alarm_control_panel->add_on_arming_callback([this]() { this->trigger(); });
+  }
+};
+
+class PendingTrigger : public Trigger<> {
+ public:
+  explicit PendingTrigger(AlarmControlPanel *alarm_control_panel) {
+    alarm_control_panel->add_on_pending_callback([this]() { this->trigger(); });
+  }
+};
+
+class ArmedHomeTrigger : public Trigger<> {
+ public:
+  explicit ArmedHomeTrigger(AlarmControlPanel *alarm_control_panel) {
+    alarm_control_panel->add_on_armed_home_callback([this]() { this->trigger(); });
+  }
+};
+
+class ArmedNightTrigger : public Trigger<> {
+ public:
+  explicit ArmedNightTrigger(AlarmControlPanel *alarm_control_panel) {
+    alarm_control_panel->add_on_armed_night_callback([this]() { this->trigger(); });
+  }
+};
+
+class ArmedAwayTrigger : public Trigger<> {
+ public:
+  explicit ArmedAwayTrigger(AlarmControlPanel *alarm_control_panel) {
+    alarm_control_panel->add_on_armed_away_callback([this]() { this->trigger(); });
+  }
+};
+
+class DisarmedTrigger : public Trigger<> {
+ public:
+  explicit DisarmedTrigger(AlarmControlPanel *alarm_control_panel) {
+    alarm_control_panel->add_on_disarmed_callback([this]() { this->trigger(); });
+  }
+};
 
-/// Trigger when leaving TRIGGERED state (alarm cleared)
 class ClearedTrigger : public Trigger<> {
  public:
   explicit ClearedTrigger(AlarmControlPanel *alarm_control_panel) {
@@ -45,7 +69,6 @@ class ClearedTrigger : public Trigger<> {
   }
 };
 
-/// Trigger on chime event (zone opened while disarmed)
 class ChimeTrigger : public Trigger<> {
  public:
   explicit ChimeTrigger(AlarmControlPanel *alarm_control_panel) {
@@ -53,7 +76,6 @@ class ChimeTrigger : public Trigger<> {
   }
 };
 
-/// Trigger on ready state change
 class ReadyTrigger : public Trigger<> {
  public:
   explicit ReadyTrigger(AlarmControlPanel *alarm_control_panel) {

esphome/components/api/api_frame_helper_noise.cpp

@@ -539,8 +539,7 @@ APIError APINoiseFrameHelper::init_handshake_() {
   if (aerr != APIError::OK)
     return aerr;
   // set_prologue copies it into handshakestate, so we can get rid of it now
-  // Use swap idiom to actually release memory (= {} only clears size, not capacity)
-  std::vector<uint8_t>().swap(prologue_);
+  prologue_ = {};
 
   err = noise_handshakestate_start(handshake_);
   aerr = handle_noise_error_(err, LOG_STR("noise_handshakestate_start"), APIError::HANDSHAKESTATE_SETUP_FAILED);

esphome/components/bh1750/bh1750.cpp

@@ -1,8 +1,8 @@
 #include "bh1750.h"
 #include "esphome/core/log.h"
-#include "esphome/core/application.h"
 
-namespace esphome::bh1750 {
+namespace esphome {
+namespace bh1750 {
 
 static const char *const TAG = "bh1750.sensor";
 
@@ -13,31 +13,6 @@ static const uint8_t BH1750_COMMAND_ONE_TIME_L = 0b00100011;
 static const uint8_t BH1750_COMMAND_ONE_TIME_H = 0b00100000;
 static const uint8_t BH1750_COMMAND_ONE_TIME_H2 = 0b00100001;
 
-static constexpr uint32_t MEASUREMENT_TIMEOUT_MS = 2000;
-static constexpr float HIGH_LIGHT_THRESHOLD_LX = 7000.0f;
-
-// Measurement time constants (datasheet values)
-static constexpr uint16_t MTREG_DEFAULT = 69;
-static constexpr uint16_t MTREG_MIN = 31;
-static constexpr uint16_t MTREG_MAX = 254;
-static constexpr uint16_t MEAS_TIME_L_MS = 24;   // L-resolution max measurement time @ mtreg=69
-static constexpr uint16_t MEAS_TIME_H_MS = 180;  // H/H2-resolution max measurement time @ mtreg=69
-
-// Conversion constants (datasheet formulas)
-static constexpr float RESOLUTION_DIVISOR = 1.2f;  // counts to lux conversion divisor
-static constexpr float MODE_H2_DIVISOR = 2.0f;     // H2 mode has 2x higher resolution
-
-// MTreg calculation constants
-static constexpr int COUNTS_TARGET = 50000;  // Target counts for optimal range (avoid saturation)
-static constexpr int COUNTS_NUMERATOR = 10;
-static constexpr int COUNTS_DENOMINATOR = 12;
-
-// MTreg register bit manipulation constants
-static constexpr uint8_t MTREG_HI_SHIFT = 5;       // High 3 bits start at bit 5
-static constexpr uint8_t MTREG_HI_MASK = 0b111;    // 3-bit mask for high bits
-static constexpr uint8_t MTREG_LO_SHIFT = 0;       // Low 5 bits start at bit 0
-static constexpr uint8_t MTREG_LO_MASK = 0b11111;  // 5-bit mask for low bits
-
 /*
 bh1750 properties:
 
@@ -68,7 +43,74 @@ void BH1750Sensor::setup() {
     this->mark_failed();
     return;
   }
-  this->state_ = IDLE;
+}
+
+void BH1750Sensor::read_lx_(BH1750Mode mode, uint8_t mtreg, const std::function<void(float)> &f) {
+  // turn on (after one-shot sensor automatically powers down)
+  uint8_t turn_on = BH1750_COMMAND_POWER_ON;
+  if (this->write(&turn_on, 1) != i2c::ERROR_OK) {
+    ESP_LOGW(TAG, "Power on failed");
+    f(NAN);
+    return;
+  }
+
+  if (active_mtreg_ != mtreg) {
+    // set mtreg
+    uint8_t mtreg_hi = BH1750_COMMAND_MT_REG_HI | ((mtreg >> 5) & 0b111);
+    uint8_t mtreg_lo = BH1750_COMMAND_MT_REG_LO | ((mtreg >> 0) & 0b11111);
+    if (this->write(&mtreg_hi, 1) != i2c::ERROR_OK || this->write(&mtreg_lo, 1) != i2c::ERROR_OK) {
+      ESP_LOGW(TAG, "Set measurement time failed");
+      active_mtreg_ = 0;
+      f(NAN);
+      return;
+    }
+    active_mtreg_ = mtreg;
+  }
+
+  uint8_t cmd;
+  uint16_t meas_time;
+  switch (mode) {
+    case BH1750_MODE_L:
+      cmd = BH1750_COMMAND_ONE_TIME_L;
+      meas_time = 24 * mtreg / 69;
+      break;
+    case BH1750_MODE_H:
+      cmd = BH1750_COMMAND_ONE_TIME_H;
+      meas_time = 180 * mtreg / 69;
+      break;
+    case BH1750_MODE_H2:
+      cmd = BH1750_COMMAND_ONE_TIME_H2;
+      meas_time = 180 * mtreg / 69;
+      break;
+    default:
+      f(NAN);
+      return;
+  }
+  if (this->write(&cmd, 1) != i2c::ERROR_OK) {
+    ESP_LOGW(TAG, "Start measurement failed");
+    f(NAN);
+    return;
+  }
+
+  // probably not needed, but adjust for rounding
+  meas_time++;
+
+  this->set_timeout("read", meas_time, [this, mode, mtreg, f]() {
+    uint16_t raw_value;
+    if (this->read(reinterpret_cast<uint8_t *>(&raw_value), 2) != i2c::ERROR_OK) {
+      ESP_LOGW(TAG, "Read data failed");
+      f(NAN);
+      return;
+    }
+    raw_value = i2c::i2ctohs(raw_value);
+
+    float lx = float(raw_value) / 1.2f;
+    lx *= 69.0f / mtreg;
+    if (mode == BH1750_MODE_H2)
+      lx /= 2.0f;
+
+    f(lx);
+  });
 }
 
 void BH1750Sensor::dump_config() {
@@ -82,189 +124,45 @@ void BH1750Sensor::dump_config() {
 }
 
 void BH1750Sensor::update() {
-  const uint32_t now = millis();
-
-  // Start coarse measurement to determine optimal mode/mtreg
-  if (this->state_ != IDLE) {
-    // Safety timeout: reset if stuck
-    if (now - this->measurement_start_time_ > MEASUREMENT_TIMEOUT_MS) {
-      ESP_LOGW(TAG, "Measurement timeout, resetting state");
-      this->state_ = IDLE;
-    } else {
-      ESP_LOGW(TAG, "Previous measurement not complete, skipping update");
+  // first do a quick measurement in L-mode with full range
+  // to find right range
+  this->read_lx_(BH1750_MODE_L, 31, [this](float val) {
+    if (std::isnan(val)) {
+      this->status_set_warning();
+      this->publish_state(NAN);
       return;
     }
-  }
 
-  if (!this->start_measurement_(BH1750_MODE_L, MTREG_MIN, now)) {
-    this->status_set_warning();
-    this->publish_state(NAN);
-    return;
-  }
-
-  this->state_ = WAITING_COARSE_MEASUREMENT;
-  this->enable_loop();  // Enable loop while measurement in progress
-}
-
-void BH1750Sensor::loop() {
-  const uint32_t now = App.get_loop_component_start_time();
-
-  switch (this->state_) {
-    case IDLE:
-      // Disable loop when idle to save cycles
-      this->disable_loop();
-      break;
-
-    case WAITING_COARSE_MEASUREMENT:
-      if (now - this->measurement_start_time_ >= this->measurement_duration_) {
-        this->state_ = READING_COARSE_RESULT;
-      }
-      break;
-
-    case READING_COARSE_RESULT: {
-      float lx;
-      if (!this->read_measurement_(lx)) {
-        this->fail_and_reset_();
-        break;
-      }
-
-      this->process_coarse_result_(lx);
-
-      // Start fine measurement with optimal settings
-      // fetch millis() again since the read can take a bit
-      if (!this->start_measurement_(this->fine_mode_, this->fine_mtreg_, millis())) {
-        this->fail_and_reset_();
-        break;
-      }
-
-      this->state_ = WAITING_FINE_MEASUREMENT;
-      break;
+    BH1750Mode use_mode;
+    uint8_t use_mtreg;
+    if (val <= 7000) {
+      use_mode = BH1750_MODE_H2;
+      use_mtreg = 254;
+    } else {
+      use_mode = BH1750_MODE_H;
+      // lx = counts / 1.2 * (69 / mtreg)
+      // -> mtreg = counts / 1.2 * (69 / lx)
+      // calculate for counts=50000 (allow some range to not saturate, but maximize mtreg)
+      // -> mtreg = 50000*(10/12)*(69/lx)
+      int ideal_mtreg = 50000 * 10 * 69 / (12 * (int) val);
+      use_mtreg = std::min(254, std::max(31, ideal_mtreg));
     }
+    ESP_LOGV(TAG, "L result: %f -> Calculated mode=%d, mtreg=%d", val, (int) use_mode, use_mtreg);
 
-    case WAITING_FINE_MEASUREMENT:
-      if (now - this->measurement_start_time_ >= this->measurement_duration_) {
-        this->state_ = READING_FINE_RESULT;
+    this->read_lx_(use_mode, use_mtreg, [this](float val) {
+      if (std::isnan(val)) {
+        this->status_set_warning();
+        this->publish_state(NAN);
+        return;
       }
-      break;
-
-    case READING_FINE_RESULT: {
-      float lx;
-      if (!this->read_measurement_(lx)) {
-        this->fail_and_reset_();
-        break;
-      }
-
-      ESP_LOGD(TAG, "'%s': Illuminance=%.1flx", this->get_name().c_str(), lx);
+      ESP_LOGD(TAG, "'%s': Illuminance=%.1flx", this->get_name().c_str(), val);
       this->status_clear_warning();
-      this->publish_state(lx);
-      this->state_ = IDLE;
-      break;
-    }
-  }
-}
-
-bool BH1750Sensor::start_measurement_(BH1750Mode mode, uint8_t mtreg, uint32_t now) {
-  // Power on
-  uint8_t turn_on = BH1750_COMMAND_POWER_ON;
-  if (this->write(&turn_on, 1) != i2c::ERROR_OK) {
-    ESP_LOGW(TAG, "Power on failed");
-    return false;
-  }
-
-  // Set MTreg if changed
-  if (this->active_mtreg_ != mtreg) {
-    uint8_t mtreg_hi = BH1750_COMMAND_MT_REG_HI | ((mtreg >> MTREG_HI_SHIFT) & MTREG_HI_MASK);
-    uint8_t mtreg_lo = BH1750_COMMAND_MT_REG_LO | ((mtreg >> MTREG_LO_SHIFT) & MTREG_LO_MASK);
-    if (this->write(&mtreg_hi, 1) != i2c::ERROR_OK || this->write(&mtreg_lo, 1) != i2c::ERROR_OK) {
-      ESP_LOGW(TAG, "Set measurement time failed");
-      this->active_mtreg_ = 0;
-      return false;
-    }
-    this->active_mtreg_ = mtreg;
-  }
-
-  // Start measurement
-  uint8_t cmd;
-  uint16_t meas_time;
-  switch (mode) {
-    case BH1750_MODE_L:
-      cmd = BH1750_COMMAND_ONE_TIME_L;
-      meas_time = MEAS_TIME_L_MS * mtreg / MTREG_DEFAULT;
-      break;
-    case BH1750_MODE_H:
-      cmd = BH1750_COMMAND_ONE_TIME_H;
-      meas_time = MEAS_TIME_H_MS * mtreg / MTREG_DEFAULT;
-      break;
-    case BH1750_MODE_H2:
-      cmd = BH1750_COMMAND_ONE_TIME_H2;
-      meas_time = MEAS_TIME_H_MS * mtreg / MTREG_DEFAULT;
-      break;
-    default:
-      return false;
-  }
-
-  if (this->write(&cmd, 1) != i2c::ERROR_OK) {
-    ESP_LOGW(TAG, "Start measurement failed");
-    return false;
-  }
-
-  // Store current measurement parameters
-  this->current_mode_ = mode;
-  this->current_mtreg_ = mtreg;
-  this->measurement_start_time_ = now;
-  this->measurement_duration_ = meas_time + 1;  // Add 1ms for safety
-
-  return true;
-}
-
-bool BH1750Sensor::read_measurement_(float &lx_out) {
-  uint16_t raw_value;
-  if (this->read(reinterpret_cast<uint8_t *>(&raw_value), 2) != i2c::ERROR_OK) {
-    ESP_LOGW(TAG, "Read data failed");
-    return false;
-  }
-  raw_value = i2c::i2ctohs(raw_value);
-
-  float lx = float(raw_value) / RESOLUTION_DIVISOR;
-  lx *= float(MTREG_DEFAULT) / this->current_mtreg_;
-  if (this->current_mode_ == BH1750_MODE_H2) {
-    lx /= MODE_H2_DIVISOR;
-  }
-
-  lx_out = lx;
-  return true;
-}
-
-void BH1750Sensor::process_coarse_result_(float lx) {
-  if (std::isnan(lx)) {
-    // Use defaults if coarse measurement failed
-    this->fine_mode_ = BH1750_MODE_H2;
-    this->fine_mtreg_ = MTREG_MAX;
-    return;
-  }
-
-  if (lx <= HIGH_LIGHT_THRESHOLD_LX) {
-    this->fine_mode_ = BH1750_MODE_H2;
-    this->fine_mtreg_ = MTREG_MAX;
-  } else {
-    this->fine_mode_ = BH1750_MODE_H;
-    // lx = counts / 1.2 * (69 / mtreg)
-    // -> mtreg = counts / 1.2 * (69 / lx)
-    // calculate for counts=50000 (allow some range to not saturate, but maximize mtreg)
-    // -> mtreg = 50000*(10/12)*(69/lx)
-    int ideal_mtreg = COUNTS_TARGET * COUNTS_NUMERATOR * MTREG_DEFAULT / (COUNTS_DENOMINATOR * (int) lx);
-    this->fine_mtreg_ = std::min((int) MTREG_MAX, std::max((int) MTREG_MIN, ideal_mtreg));
-  }
-
-  ESP_LOGV(TAG, "L result: %.1f -> Calculated mode=%d, mtreg=%d", lx, (int) this->fine_mode_, this->fine_mtreg_);
-}
-
-void BH1750Sensor::fail_and_reset_() {
-  this->status_set_warning();
-  this->publish_state(NAN);
-  this->state_ = IDLE;
+      this->publish_state(val);
+    });
+  });
 }
 
 float BH1750Sensor::get_setup_priority() const { return setup_priority::DATA; }
 
-}  // namespace esphome::bh1750
+}  // namespace bh1750
+}  // namespace esphome

esphome/components/bh1750/bh1750.h

@@ -4,9 +4,10 @@
 #include "esphome/components/sensor/sensor.h"
 #include "esphome/components/i2c/i2c.h"
 
-namespace esphome::bh1750 {
+namespace esphome {
+namespace bh1750 {
 
-enum BH1750Mode : uint8_t {
+enum BH1750Mode {
   BH1750_MODE_L,
   BH1750_MODE_H,
   BH1750_MODE_H2,
@@ -20,36 +21,13 @@ class BH1750Sensor : public sensor::Sensor, public PollingComponent, public i2c:
   void setup() override;
   void dump_config() override;
   void update() override;
-  void loop() override;
   float get_setup_priority() const override;
 
  protected:
-  // State machine states
-  enum State : uint8_t {
-    IDLE,
-    WAITING_COARSE_MEASUREMENT,
-    READING_COARSE_RESULT,
-    WAITING_FINE_MEASUREMENT,
-    READING_FINE_RESULT,
-  };
+  void read_lx_(BH1750Mode mode, uint8_t mtreg, const std::function<void(float)> &f);
 
-  // 4-byte aligned members
-  uint32_t measurement_start_time_{0};
-  uint32_t measurement_duration_{0};
-
-  // 1-byte members grouped together to minimize padding
-  State state_{IDLE};
-  BH1750Mode current_mode_{BH1750_MODE_L};
-  uint8_t current_mtreg_{31};
-  BH1750Mode fine_mode_{BH1750_MODE_H2};
-  uint8_t fine_mtreg_{254};
   uint8_t active_mtreg_{0};
-
-  // Helper methods
-  bool start_measurement_(BH1750Mode mode, uint8_t mtreg, uint32_t now);
-  bool read_measurement_(float &lx_out);
-  void process_coarse_result_(float lx);
-  void fail_and_reset_();
 };
 
-}  // namespace esphome::bh1750
+}  // namespace bh1750
+}  // namespace esphome

esphome/components/bme68x_bsec2_i2c/__init__.py

@@ -11,6 +11,7 @@ CODEOWNERS = ["@neffs", "@kbx81"]
 
 AUTO_LOAD = ["bme68x_bsec2"]
 DEPENDENCIES = ["i2c"]
+MULTI_CONF = True
 
 bme68x_bsec2_i2c_ns = cg.esphome_ns.namespace("bme68x_bsec2_i2c")
 BME68xBSEC2I2CComponent = bme68x_bsec2_i2c_ns.class_(

esphome/components/captive_portal/captive_portal.cpp

@@ -65,12 +65,6 @@ void CaptivePortal::start() {
   this->base_->init();
   if (!this->initialized_) {
     this->base_->add_handler(this);
-#ifdef USE_ESP32
-    // Enable LRU socket purging to handle captive portal detection probe bursts
-    // OS captive portal detection makes many simultaneous HTTP requests which can
-    // exhaust sockets. LRU purging automatically closes oldest idle connections.
-    this->base_->get_server()->set_lru_purge_enable(true);
-#endif
   }
 
   network::IPAddress ip = wifi::global_wifi_component->wifi_soft_ap_ip();

esphome/components/captive_portal/captive_portal.h

@@ -40,10 +40,6 @@ class CaptivePortal : public AsyncWebHandler, public Component {
   void end() {
     this->active_ = false;
     this->disable_loop();  // Stop processing DNS requests
-#ifdef USE_ESP32
-    // Disable LRU socket purging now that captive portal is done
-    this->base_->get_server()->set_lru_purge_enable(false);
-#endif
     this->base_->deinit();
     if (this->dns_server_ != nullptr) {
       this->dns_server_->stop();

esphome/components/cc1101/__init__.py

@@ -1,9 +1,17 @@
-from esphome import automation
+from esphome import automation, pins
 from esphome.automation import maybe_simple_id
 import esphome.codegen as cg
 from esphome.components import spi
+from esphome.components.const import CONF_CRC_ENABLE, CONF_ON_PACKET
 import esphome.config_validation as cv
-from esphome.const import CONF_CHANNEL, CONF_FREQUENCY, CONF_ID, CONF_WAIT_TIME
+from esphome.const import (
+    CONF_CHANNEL,
+    CONF_DATA,
+    CONF_FREQUENCY,
+    CONF_ID,
+    CONF_WAIT_TIME,
+)
+from esphome.core import ID
 
 CODEOWNERS = ["@lygris", "@gabest11"]
 DEPENDENCIES = ["spi"]
@@ -29,7 +37,6 @@ CONF_MANCHESTER = "manchester"
 CONF_NUM_PREAMBLE = "num_preamble"
 CONF_SYNC1 = "sync1"
 CONF_SYNC0 = "sync0"
-CONF_PKTLEN = "pktlen"
 CONF_MAGN_TARGET = "magn_target"
 CONF_MAX_LNA_GAIN = "max_lna_gain"
 CONF_MAX_DVGA_GAIN = "max_dvga_gain"
@@ -41,6 +48,12 @@ CONF_FILTER_LENGTH_ASK_OOK = "filter_length_ask_ook"
 CONF_FREEZE = "freeze"
 CONF_HYST_LEVEL = "hyst_level"
 
+# Packet mode config keys
+CONF_PACKET_MODE = "packet_mode"
+CONF_PACKET_LENGTH = "packet_length"
+CONF_WHITENING = "whitening"
+CONF_GDO0_PIN = "gdo0_pin"
+
 # Enums
 SyncMode = ns.enum("SyncMode", True)
 SYNC_MODE = {
@@ -167,7 +180,6 @@ CONFIG_MAP = {
     CONF_NUM_PREAMBLE: cv.int_range(min=0, max=7),
     CONF_SYNC1: cv.hex_uint8_t,
     CONF_SYNC0: cv.hex_uint8_t,
-    CONF_PKTLEN: cv.uint8_t,
     CONF_MAGN_TARGET: cv.enum(MAGN_TARGET, upper=False),
     CONF_MAX_LNA_GAIN: cv.enum(MAX_LNA_GAIN, upper=False),
     CONF_MAX_DVGA_GAIN: cv.enum(MAX_DVGA_GAIN, upper=False),
@@ -179,13 +191,36 @@ CONFIG_MAP = {
     CONF_FREEZE: cv.enum(FREEZE, upper=False),
     CONF_WAIT_TIME: cv.enum(WAIT_TIME, upper=False),
     CONF_HYST_LEVEL: cv.enum(HYST_LEVEL, upper=False),
+    CONF_PACKET_MODE: cv.boolean,
+    CONF_PACKET_LENGTH: cv.uint8_t,
+    CONF_CRC_ENABLE: cv.boolean,
+    CONF_WHITENING: cv.boolean,
 }
 
-CONFIG_SCHEMA = (
-    cv.Schema({cv.GenerateID(): cv.declare_id(CC1101Component)})
+
+def _validate_packet_mode(config):
+    if config.get(CONF_PACKET_MODE, False):
+        if CONF_GDO0_PIN not in config:
+            raise cv.Invalid("gdo0_pin is required when packet_mode is enabled")
+        if CONF_PACKET_LENGTH not in config:
+            raise cv.Invalid("packet_length is required when packet_mode is enabled")
+        if config[CONF_PACKET_LENGTH] > 64:
+            raise cv.Invalid("packet_length must be <= 64 (FIFO size)")
+    return config
+
+
+CONFIG_SCHEMA = cv.All(
+    cv.Schema(
+        {
+            cv.GenerateID(): cv.declare_id(CC1101Component),
+            cv.Optional(CONF_GDO0_PIN): pins.internal_gpio_input_pin_schema,
+            cv.Optional(CONF_ON_PACKET): automation.validate_automation(single=True),
+        }
+    )
     .extend({cv.Optional(key): validator for key, validator in CONFIG_MAP.items()})
     .extend(cv.COMPONENT_SCHEMA)
-    .extend(spi.spi_device_schema(cs_pin_required=True))
+    .extend(spi.spi_device_schema(cs_pin_required=True)),
+    _validate_packet_mode,
 )
 
 
@@ -198,12 +233,29 @@ async def to_code(config):
         if key in config:
             cg.add(getattr(var, f"set_{key}")(config[key]))
 
+    if CONF_GDO0_PIN in config:
+        gdo0_pin = await cg.gpio_pin_expression(config[CONF_GDO0_PIN])
+        cg.add(var.set_gdo0_pin(gdo0_pin))
+    if CONF_ON_PACKET in config:
+        await automation.build_automation(
+            var.get_packet_trigger(),
+            [
+                (cg.std_vector.template(cg.uint8), "x"),
+                (cg.float_, "rssi"),
+                (cg.uint8, "lqi"),
+            ],
+            config[CONF_ON_PACKET],
+        )
+
 
 # Actions
 BeginTxAction = ns.class_("BeginTxAction", automation.Action)
 BeginRxAction = ns.class_("BeginRxAction", automation.Action)
 ResetAction = ns.class_("ResetAction", automation.Action)
 SetIdleAction = ns.class_("SetIdleAction", automation.Action)
+SendPacketAction = ns.class_(
+    "SendPacketAction", automation.Action, cg.Parented.template(CC1101Component)
+)
 
 CC1101_ACTION_SCHEMA = cv.Schema(
     maybe_simple_id({cv.GenerateID(CONF_ID): cv.use_id(CC1101Component)})
@@ -218,3 +270,42 @@ async def cc1101_action_to_code(config, action_id, template_arg, args):
     var = cg.new_Pvariable(action_id, template_arg)
     await cg.register_parented(var, config[CONF_ID])
     return var
+
+
+def validate_raw_data(value):
+    if isinstance(value, str):
+        return value.encode("utf-8")
+    if isinstance(value, list):
+        return cv.Schema([cv.hex_uint8_t])(value)
+    raise cv.Invalid(
+        "data must either be a string wrapped in quotes or a list of bytes"
+    )
+
+
+SEND_PACKET_ACTION_SCHEMA = cv.maybe_simple_value(
+    {
+        cv.GenerateID(): cv.use_id(CC1101Component),
+        cv.Required(CONF_DATA): cv.templatable(validate_raw_data),
+    },
+    key=CONF_DATA,
+)
+
+
+@automation.register_action(
+    "cc1101.send_packet", SendPacketAction, SEND_PACKET_ACTION_SCHEMA
+)
+async def send_packet_action_to_code(config, action_id, template_arg, args):
+    var = cg.new_Pvariable(action_id, template_arg)
+    await cg.register_parented(var, config[CONF_ID])
+    data = config[CONF_DATA]
+    if isinstance(data, bytes):
+        data = list(data)
+    if cg.is_template(data):
+        templ = await cg.templatable(data, args, cg.std_vector.template(cg.uint8))
+        cg.add(var.set_data_template(templ))
+    else:
+        # Generate static array in flash to avoid RAM copy
+        arr_id = ID(f"{action_id}_data", is_declaration=True, type=cg.uint8)
+        arr = cg.static_const_array(arr_id, cg.ArrayInitializer(*data))
+        cg.add(var.set_data_static(arr, len(data)))
+    return var

esphome/components/cc1101/cc1101.cpp

@@ -99,11 +99,11 @@ CC1101Component::CC1101Component() {
   this->state_.FS_AUTOCAL = 1;
 
   // Default Settings
-  this->set_frequency(433920);
-  this->set_if_frequency(153);
-  this->set_filter_bandwidth(203);
+  this->set_frequency(433920000);
+  this->set_if_frequency(153000);
+  this->set_filter_bandwidth(203000);
   this->set_channel(0);
-  this->set_channel_spacing(200);
+  this->set_channel_spacing(200000);
   this->set_symbol_rate(5000);
   this->set_sync_mode(SyncMode::SYNC_MODE_NONE);
   this->set_carrier_sense_above_threshold(true);
@@ -143,6 +143,11 @@ void CC1101Component::setup() {
     return;
   }
 
+  // Setup GDO0 pin if configured
+  if (this->gdo0_pin_ != nullptr) {
+    this->gdo0_pin_->setup();
+  }
+
   this->initialized_ = true;
 
   for (uint8_t i = 0; i <= static_cast<uint8_t>(Register::TEST0); i++) {
@@ -151,8 +156,69 @@ void CC1101Component::setup() {
     }
     this->write_(static_cast<Register>(i));
   }
-  this->write_(Register::PATABLE, this->pa_table_, sizeof(this->pa_table_));
+  this->set_output_power(this->output_power_requested_);
   this->strobe_(Command::RX);
+
+  // Defer pin mode setup until after all components have completed setup()
+  // This handles the case where remote_transmitter runs after CC1101 and changes pin mode
+  if (this->gdo0_pin_ != nullptr) {
+    this->defer([this]() { this->gdo0_pin_->pin_mode(gpio::FLAG_INPUT); });
+  }
+}
+
+void CC1101Component::loop() {
+  if (this->state_.PKT_FORMAT != static_cast<uint8_t>(PacketFormat::PACKET_FORMAT_FIFO) || this->gdo0_pin_ == nullptr ||
+      !this->gdo0_pin_->digital_read()) {
+    return;
+  }
+
+  // Read state
+  this->read_(Register::RXBYTES);
+  uint8_t rx_bytes = this->state_.NUM_RXBYTES;
+  bool overflow = this->state_.RXFIFO_OVERFLOW;
+  if (overflow || rx_bytes == 0) {
+    ESP_LOGW(TAG, "RX FIFO overflow, flushing");
+    this->enter_idle_();
+    this->strobe_(Command::FRX);
+    this->strobe_(Command::RX);
+    this->wait_for_state_(State::RX);
+    return;
+  }
+
+  // Read packet
+  uint8_t payload_length;
+  if (this->state_.LENGTH_CONFIG == static_cast<uint8_t>(LengthConfig::LENGTH_CONFIG_VARIABLE)) {
+    this->read_(Register::FIFO, &payload_length, 1);
+  } else {
+    payload_length = this->state_.PKTLEN;
+  }
+  if (payload_length == 0 || payload_length > 64) {
+    ESP_LOGW(TAG, "Invalid payload length: %u", payload_length);
+    this->enter_idle_();
+    this->strobe_(Command::FRX);
+    this->strobe_(Command::RX);
+    this->wait_for_state_(State::RX);
+    return;
+  }
+  this->packet_.resize(payload_length);
+  this->read_(Register::FIFO, this->packet_.data(), payload_length);
+
+  // Read status and trigger
+  uint8_t status[2];
+  this->read_(Register::FIFO, status, 2);
+  int8_t rssi_raw = static_cast<int8_t>(status[0]);
+  float rssi = (rssi_raw * RSSI_STEP) - RSSI_OFFSET;
+  bool crc_ok = (status[1] & STATUS_CRC_OK_MASK) != 0;
+  uint8_t lqi = status[1] & STATUS_LQI_MASK;
+  if (this->state_.CRC_EN == 0 || crc_ok) {
+    this->packet_trigger_->trigger(this->packet_, rssi, lqi);
+  }
+
+  // Return to rx
+  this->enter_idle_();
+  this->strobe_(Command::FRX);
+  this->strobe_(Command::RX);
+  this->wait_for_state_(State::RX);
 }
 
 void CC1101Component::dump_config() {
@@ -177,9 +243,12 @@ void CC1101Component::dump_config() {
 }
 
 void CC1101Component::begin_tx() {
-  // Ensure Packet Format is 3 (Async Serial), use GDO0 as input during TX
+  // Ensure Packet Format is 3 (Async Serial)
   this->write_(Register::PKTCTRL0, 0x32);
   ESP_LOGV(TAG, "Beginning TX sequence");
+  if (this->gdo0_pin_ != nullptr) {
+    this->gdo0_pin_->pin_mode(gpio::FLAG_OUTPUT);
+  }
   this->strobe_(Command::TX);
   if (!this->wait_for_state_(State::TX, 50)) {
     ESP_LOGW(TAG, "Timed out waiting for TX state!");
@@ -188,6 +257,9 @@ void CC1101Component::begin_tx() {
 
 void CC1101Component::begin_rx() {
   ESP_LOGV(TAG, "Beginning RX sequence");
+  if (this->gdo0_pin_ != nullptr) {
+    this->gdo0_pin_->pin_mode(gpio::FLAG_INPUT);
+  }
   this->strobe_(Command::RX);
 }
 
@@ -201,20 +273,6 @@ void CC1101Component::set_idle() {
   this->enter_idle_();
 }
 
-void CC1101Component::set_gdo0_config(uint8_t value) {
-  this->state_.GDO0_CFG = value;
-  if (this->initialized_) {
-    this->write_(Register::IOCFG0);
-  }
-}
-
-void CC1101Component::set_gdo2_config(uint8_t value) {
-  this->state_.GDO2_CFG = value;
-  if (this->initialized_) {
-    this->write_(Register::IOCFG2);
-  }
-}
-
 bool CC1101Component::wait_for_state_(State target_state, uint32_t timeout_ms) {
   uint32_t start = millis();
   while (millis() - start < timeout_ms) {
@@ -282,6 +340,33 @@ void CC1101Component::read_(Register reg, uint8_t *buffer, size_t length) {
   this->disable();
 }
 
+CC1101Error CC1101Component::transmit_packet(const std::vector<uint8_t> &packet) {
+  if (this->state_.PKT_FORMAT != static_cast<uint8_t>(PacketFormat::PACKET_FORMAT_FIFO)) {
+    return CC1101Error::PARAMS;
+  }
+
+  // Write packet
+  this->enter_idle_();
+  this->strobe_(Command::FTX);
+  if (this->state_.LENGTH_CONFIG == static_cast<uint8_t>(LengthConfig::LENGTH_CONFIG_VARIABLE)) {
+    this->write_(Register::FIFO, static_cast<uint8_t>(packet.size()));
+  }
+  this->write_(Register::FIFO, packet.data(), packet.size());
+  this->strobe_(Command::TX);
+  if (!this->wait_for_state_(State::IDLE, 1000)) {
+    ESP_LOGW(TAG, "TX timeout");
+    this->enter_idle_();
+    this->strobe_(Command::RX);
+    this->wait_for_state_(State::RX);
+    return CC1101Error::TIMEOUT;
+  }
+
+  // Return to rx
+  this->strobe_(Command::RX);
+  this->wait_for_state_(State::RX);
+  return CC1101Error::NONE;
+}
+
 // Setters
 void CC1101Component::set_output_power(float value) {
   this->output_power_requested_ = value;
@@ -428,6 +513,7 @@ void CC1101Component::set_modulation_type(Modulation value) {
   this->state_.PA_POWER = value == Modulation::MODULATION_ASK_OOK ? 1 : 0;
   if (this->initialized_) {
     this->enter_idle_();
+    this->set_output_power(this->output_power_requested_);
     this->write_(Register::MDMCFG2);
     this->write_(Register::FREND0);
     this->strobe_(Command::RX);
@@ -462,13 +548,6 @@ void CC1101Component::set_sync0(uint8_t value) {
   }
 }
 
-void CC1101Component::set_pktlen(uint8_t value) {
-  this->state_.PKTLEN = value;
-  if (this->initialized_) {
-    this->write_(Register::PKTLEN);
-  }
-}
-
 void CC1101Component::set_magn_target(MagnTarget value) {
   this->state_.MAGN_TARGET = static_cast<uint8_t>(value);
   if (this->initialized_) {
@@ -546,4 +625,50 @@ void CC1101Component::set_hyst_level(HystLevel value) {
   }
 }
 
+void CC1101Component::set_packet_mode(bool value) {
+  this->state_.PKT_FORMAT =
+      static_cast<uint8_t>(value ? PacketFormat::PACKET_FORMAT_FIFO : PacketFormat::PACKET_FORMAT_ASYNC_SERIAL);
+  if (value) {
+    // Configure GDO0 for FIFO status (asserts on RX FIFO threshold or end of packet)
+    this->state_.GDO0_CFG = 0x01;
+    // Set max RX FIFO threshold to ensure we only trigger on end-of-packet
+    this->state_.FIFO_THR = 15;
+  } else {
+    // Configure GDO0 for serial data (async serial mode)
+    this->state_.GDO0_CFG = 0x0D;
+  }
+  if (this->initialized_) {
+    this->write_(Register::PKTCTRL0);
+    this->write_(Register::IOCFG0);
+    this->write_(Register::FIFOTHR);
+  }
+}
+
+void CC1101Component::set_packet_length(uint8_t value) {
+  if (value == 0) {
+    this->state_.LENGTH_CONFIG = static_cast<uint8_t>(LengthConfig::LENGTH_CONFIG_VARIABLE);
+  } else {
+    this->state_.LENGTH_CONFIG = static_cast<uint8_t>(LengthConfig::LENGTH_CONFIG_FIXED);
+    this->state_.PKTLEN = value;
+  }
+  if (this->initialized_) {
+    this->write_(Register::PKTCTRL0);
+    this->write_(Register::PKTLEN);
+  }
+}
+
+void CC1101Component::set_crc_enable(bool value) {
+  this->state_.CRC_EN = value ? 1 : 0;
+  if (this->initialized_) {
+    this->write_(Register::PKTCTRL0);
+  }
+}
+
+void CC1101Component::set_whitening(bool value) {
+  this->state_.WHITE_DATA = value ? 1 : 0;
+  if (this->initialized_) {
+    this->write_(Register::PKTCTRL0);
+  }
+}
+
 }  // namespace esphome::cc1101

esphome/components/cc1101/cc1101.h

@@ -5,9 +5,12 @@
 #include "esphome/components/spi/spi.h"
 #include "esphome/core/automation.h"
 #include "cc1101defs.h"
+#include <vector>
 
 namespace esphome::cc1101 {
 
+enum class CC1101Error { NONE = 0, TIMEOUT, PARAMS, CRC_ERROR, FIFO_OVERFLOW };
+
 class CC1101Component : public Component,
                         public spi::SPIDevice<spi::BIT_ORDER_MSB_FIRST, spi::CLOCK_POLARITY_LOW,
                                               spi::CLOCK_PHASE_LEADING, spi::DATA_RATE_1MHZ> {
@@ -15,6 +18,7 @@ class CC1101Component : public Component,
   CC1101Component();
 
   void setup() override;
+  void loop() override;
   void dump_config() override;
 
   // Actions
@@ -24,8 +28,7 @@ class CC1101Component : public Component,
   void set_idle();
 
   // GDO Pin Configuration
-  void set_gdo0_config(uint8_t value);
-  void set_gdo2_config(uint8_t value);
+  void set_gdo0_pin(InternalGPIOPin *pin) { this->gdo0_pin_ = pin; }
 
   // Configuration Setters
   void set_output_power(float value);
@@ -48,7 +51,6 @@ class CC1101Component : public Component,
   void set_num_preamble(uint8_t value);
   void set_sync1(uint8_t value);
   void set_sync0(uint8_t value);
-  void set_pktlen(uint8_t value);
 
   // AGC settings
   void set_magn_target(MagnTarget value);
@@ -63,6 +65,16 @@ class CC1101Component : public Component,
   void set_wait_time(WaitTime value);
   void set_hyst_level(HystLevel value);
 
+  // Packet mode settings
+  void set_packet_mode(bool value);
+  void set_packet_length(uint8_t value);
+  void set_crc_enable(bool value);
+  void set_whitening(bool value);
+
+  // Packet mode operations
+  CC1101Error transmit_packet(const std::vector<uint8_t> &packet);
+  Trigger<std::vector<uint8_t>, float, uint8_t> *get_packet_trigger() const { return this->packet_trigger_; }
+
  protected:
   uint16_t chip_id_{0};
   bool initialized_{false};
@@ -73,6 +85,13 @@ class CC1101Component : public Component,
 
   CC1101State state_;
 
+  // GDO pin for packet reception
+  InternalGPIOPin *gdo0_pin_{nullptr};
+
+  // Packet handling
+  Trigger<std::vector<uint8_t>, float, uint8_t> *packet_trigger_{new Trigger<std::vector<uint8_t>, float, uint8_t>()};
+  std::vector<uint8_t> packet_;
+
   // Low-level Helpers
   uint8_t strobe_(Command cmd);
   void write_(Register reg);
@@ -107,4 +126,28 @@ template<typename... Ts> class SetIdleAction : public Action<Ts...>, public Pare
   void play(const Ts &...x) override { this->parent_->set_idle(); }
 };
 
+template<typename... Ts> class SendPacketAction : public Action<Ts...>, public Parented<CC1101Component> {
+ public:
+  void set_data_template(std::function<std::vector<uint8_t>(Ts...)> func) { this->data_func_ = func; }
+  void set_data_static(const uint8_t *data, size_t len) {
+    this->data_static_ = data;
+    this->data_static_len_ = len;
+  }
+
+  void play(const Ts &...x) override {
+    if (this->data_func_) {
+      auto data = this->data_func_(x...);
+      this->parent_->transmit_packet(data);
+    } else if (this->data_static_ != nullptr) {
+      std::vector<uint8_t> data(this->data_static_, this->data_static_ + this->data_static_len_);
+      this->parent_->transmit_packet(data);
+    }
+  }
+
+ protected:
+  std::function<std::vector<uint8_t>(Ts...)> data_func_{};
+  const uint8_t *data_static_{nullptr};
+  size_t data_static_len_{0};
+};
+
 }  // namespace esphome::cc1101

esphome/components/cc1101/cc1101defs.h

@@ -6,6 +6,12 @@ namespace esphome::cc1101 {
 
 static constexpr float XTAL_FREQUENCY = 26000000;
 
+static constexpr float RSSI_OFFSET = 74.0f;
+static constexpr float RSSI_STEP = 0.5f;
+
+static constexpr uint8_t STATUS_CRC_OK_MASK = 0x80;
+static constexpr uint8_t STATUS_LQI_MASK = 0x7F;
+
 static constexpr uint8_t BUS_BURST = 0x40;
 static constexpr uint8_t BUS_READ = 0x80;
 static constexpr uint8_t BUS_WRITE = 0x00;
@@ -134,6 +140,10 @@ enum class SyncMode : uint8_t {
   SYNC_MODE_15_16,
   SYNC_MODE_16_16,
   SYNC_MODE_30_32,
+  SYNC_MODE_NONE_CS,
+  SYNC_MODE_15_16_CS,
+  SYNC_MODE_16_16_CS,
+  SYNC_MODE_30_32_CS,
 };
 
 enum class Modulation : uint8_t {
@@ -218,6 +228,19 @@ enum class HystLevel : uint8_t {
   HYST_LEVEL_HIGH,
 };
 
+enum class PacketFormat : uint8_t {
+  PACKET_FORMAT_FIFO,
+  PACKET_FORMAT_SYNC_SERIAL,
+  PACKET_FORMAT_RANDOM_TX,
+  PACKET_FORMAT_ASYNC_SERIAL,
+};
+
+enum class LengthConfig : uint8_t {
+  LENGTH_CONFIG_FIXED,
+  LENGTH_CONFIG_VARIABLE,
+  LENGTH_CONFIG_INFINITE,
+};
+
 struct __attribute__((packed)) CC1101State {
   // Byte array accessors for bulk SPI transfers
   uint8_t *regs() { return reinterpret_cast<uint8_t *>(this); }

esphome/components/climate/__init__.py

@@ -275,13 +275,10 @@ async def setup_climate_core_(var, config):
 
     visual = config[CONF_VISUAL]
     if (min_temp := visual.get(CONF_MIN_TEMPERATURE)) is not None:
-        cg.add_define("USE_CLIMATE_VISUAL_OVERRIDES")
         cg.add(var.set_visual_min_temperature_override(min_temp))
     if (max_temp := visual.get(CONF_MAX_TEMPERATURE)) is not None:
-        cg.add_define("USE_CLIMATE_VISUAL_OVERRIDES")
         cg.add(var.set_visual_max_temperature_override(max_temp))
     if (temp_step := visual.get(CONF_TEMPERATURE_STEP)) is not None:
-        cg.add_define("USE_CLIMATE_VISUAL_OVERRIDES")
         cg.add(
             var.set_visual_temperature_step_override(
                 temp_step[CONF_TARGET_TEMPERATURE],
@@ -289,10 +286,8 @@ async def setup_climate_core_(var, config):
             )
         )
     if (min_humidity := visual.get(CONF_MIN_HUMIDITY)) is not None:
-        cg.add_define("USE_CLIMATE_VISUAL_OVERRIDES")
         cg.add(var.set_visual_min_humidity_override(min_humidity))
     if (max_humidity := visual.get(CONF_MAX_HUMIDITY)) is not None:
-        cg.add_define("USE_CLIMATE_VISUAL_OVERRIDES")
         cg.add(var.set_visual_max_humidity_override(max_humidity))
 
     if (mqtt_id := config.get(CONF_MQTT_ID)) is not None:

esphome/components/climate/climate.cpp

@@ -473,28 +473,26 @@ void Climate::publish_state() {
 
 ClimateTraits Climate::get_traits() {
   auto traits = this->traits();
-#ifdef USE_CLIMATE_VISUAL_OVERRIDES
-  if (!std::isnan(this->visual_min_temperature_override_)) {
-    traits.set_visual_min_temperature(this->visual_min_temperature_override_);
+  if (this->visual_min_temperature_override_.has_value()) {
+    traits.set_visual_min_temperature(*this->visual_min_temperature_override_);
   }
-  if (!std::isnan(this->visual_max_temperature_override_)) {
-    traits.set_visual_max_temperature(this->visual_max_temperature_override_);
+  if (this->visual_max_temperature_override_.has_value()) {
+    traits.set_visual_max_temperature(*this->visual_max_temperature_override_);
   }
-  if (!std::isnan(this->visual_target_temperature_step_override_)) {
-    traits.set_visual_target_temperature_step(this->visual_target_temperature_step_override_);
-    traits.set_visual_current_temperature_step(this->visual_current_temperature_step_override_);
+  if (this->visual_target_temperature_step_override_.has_value()) {
+    traits.set_visual_target_temperature_step(*this->visual_target_temperature_step_override_);
+    traits.set_visual_current_temperature_step(*this->visual_current_temperature_step_override_);
   }
-  if (!std::isnan(this->visual_min_humidity_override_)) {
-    traits.set_visual_min_humidity(this->visual_min_humidity_override_);
+  if (this->visual_min_humidity_override_.has_value()) {
+    traits.set_visual_min_humidity(*this->visual_min_humidity_override_);
   }
-  if (!std::isnan(this->visual_max_humidity_override_)) {
-    traits.set_visual_max_humidity(this->visual_max_humidity_override_);
+  if (this->visual_max_humidity_override_.has_value()) {
+    traits.set_visual_max_humidity(*this->visual_max_humidity_override_);
   }
-#endif
+
   return traits;
 }
 
-#ifdef USE_CLIMATE_VISUAL_OVERRIDES
 void Climate::set_visual_min_temperature_override(float visual_min_temperature_override) {
   this->visual_min_temperature_override_ = visual_min_temperature_override;
 }
@@ -515,7 +513,6 @@ void Climate::set_visual_min_humidity_override(float visual_min_humidity_overrid
 void Climate::set_visual_max_humidity_override(float visual_max_humidity_override) {
   this->visual_max_humidity_override_ = visual_max_humidity_override;
 }
-#endif
 
 ClimateCall Climate::make_call() { return ClimateCall(this); }
 

esphome/components/climate/climate.h

@@ -213,13 +213,11 @@ class Climate : public EntityBase {
    */
   ClimateTraits get_traits();
 
-#ifdef USE_CLIMATE_VISUAL_OVERRIDES
   void set_visual_min_temperature_override(float visual_min_temperature_override);
   void set_visual_max_temperature_override(float visual_max_temperature_override);
   void set_visual_temperature_step_override(float target, float current);
   void set_visual_min_humidity_override(float visual_min_humidity_override);
   void set_visual_max_humidity_override(float visual_max_humidity_override);
-#endif
 
   /// Check if a custom fan mode is currently active.
   bool has_custom_fan_mode() const { return this->custom_fan_mode_ != nullptr; }
@@ -323,14 +321,12 @@ class Climate : public EntityBase {
   CallbackManager<void(Climate &)> state_callback_{};
   CallbackManager<void(ClimateCall &)> control_callback_{};
   ESPPreferenceObject rtc_;
-#ifdef USE_CLIMATE_VISUAL_OVERRIDES
-  float visual_min_temperature_override_{NAN};
-  float visual_max_temperature_override_{NAN};
-  float visual_target_temperature_step_override_{NAN};
-  float visual_current_temperature_step_override_{NAN};
-  float visual_min_humidity_override_{NAN};
-  float visual_max_humidity_override_{NAN};
-#endif
+  optional<float> visual_min_temperature_override_{};
+  optional<float> visual_max_temperature_override_{};
+  optional<float> visual_target_temperature_step_override_{};
+  optional<float> visual_current_temperature_step_override_{};
+  optional<float> visual_min_humidity_override_{};
+  optional<float> visual_max_humidity_override_{};
 
  private:
   /** The active custom fan mode (private - enforces use of safe setters).

esphome/components/const/__init__.py

@@ -7,9 +7,11 @@ BYTE_ORDER_LITTLE = "little_endian"
 BYTE_ORDER_BIG = "big_endian"
 
 CONF_COLOR_DEPTH = "color_depth"
+CONF_CRC_ENABLE = "crc_enable"
 CONF_DRAW_ROUNDING = "draw_rounding"
 CONF_ENABLED = "enabled"
 CONF_IGNORE_NOT_FOUND = "ignore_not_found"
+CONF_ON_PACKET = "on_packet"
 CONF_ON_RECEIVE = "on_receive"
 CONF_ON_STATE_CHANGE = "on_state_change"
 CONF_REQUEST_HEADERS = "request_headers"

esphome/components/esp32/__init__.py

@@ -4,6 +4,7 @@ import itertools
 import logging
 import os
 from pathlib import Path
+import re
 
 from esphome import yaml_util
 import esphome.codegen as cg
@@ -595,9 +596,6 @@ CONF_LOOP_TASK_STACK_SIZE = "loop_task_stack_size"
 KEY_VFS_SELECT_REQUIRED = "vfs_select_required"
 KEY_VFS_DIR_REQUIRED = "vfs_dir_required"
 
-# Ring buffer IRAM requirement tracking
-KEY_RINGBUF_IN_IRAM = "ringbuf_in_iram"
-
 
 def require_vfs_select() -> None:
     """Mark that VFS select support is required by a component.
@@ -617,23 +615,15 @@ def require_vfs_dir() -> None:
     CORE.data[KEY_VFS_DIR_REQUIRED] = True
 
 
-def enable_ringbuf_in_iram() -> None:
-    """Keep ring buffer functions in IRAM instead of moving them to flash.
-
-    Call this from components that use esphome/core/ring_buffer.cpp and need
-    the ring buffer functions to remain in IRAM for performance reasons
-    (e.g., voice assistants, audio components).
-    This prevents CONFIG_RINGBUF_PLACE_FUNCTIONS_INTO_FLASH from being enabled.
-    """
-    CORE.data[KEY_RINGBUF_IN_IRAM] = True
-
-
 def _parse_idf_component(value: str) -> ConfigType:
     """Parse IDF component shorthand syntax like 'owner/component^version'"""
-    if "^" not in value:
-        raise cv.Invalid(f"Invalid IDF component shorthand '{value}'")
-    name, ref = value.split("^", 1)
-    return {CONF_NAME: name, CONF_REF: ref}
+    # Match operator followed by version-like string (digit or *)
+    if match := re.search(r"(~=|>=|<=|==|!=|>|<|\^|~)(\d|\*)", value):
+        return {CONF_NAME: value[: match.start()], CONF_REF: value[match.start() :]}
+    raise cv.Invalid(
+        f"Invalid IDF component shorthand '{value}'. "
+        f"Expected format: 'owner/component<op>version' where <op> is one of: ^, ~, ~=, ==, !=, >=, >, <=, <"
+    )
 
 
 def _validate_idf_component(config: ConfigType) -> ConfigType:
@@ -1041,18 +1031,14 @@ async def to_code(config):
         add_idf_sdkconfig_option("CONFIG_FREERTOS_PLACE_FUNCTIONS_INTO_FLASH", True)
 
     # Place ring buffer functions into flash instead of IRAM by default
-    # This saves IRAM but may impact performance for audio/voice components.
-    # Components that need ring buffer in IRAM call enable_ringbuf_in_iram().
-    # Users can also set ringbuf_in_iram: true to force IRAM placement.
-    # In ESP-IDF 6.0 flash placement becomes the default.
-    if conf[CONF_ADVANCED][CONF_RINGBUF_IN_IRAM] or CORE.data.get(
-        KEY_RINGBUF_IN_IRAM, False
-    ):
-        # User config or component requires ring buffer in IRAM for performance
+    # This saves IRAM. In ESP-IDF 6.0 flash placement becomes the default.
+    # Users can set ringbuf_in_iram: true as an escape hatch if they encounter issues.
+    if conf[CONF_ADVANCED][CONF_RINGBUF_IN_IRAM]:
+        # User requests ring buffer in IRAM
         # IDF 6.0+: will need CONFIG_RINGBUF_PLACE_ISR_FUNCTIONS_INTO_FLASH=n
         add_idf_sdkconfig_option("CONFIG_RINGBUF_PLACE_ISR_FUNCTIONS_INTO_FLASH", False)
     else:
-        # No component needs it - place in flash to save IRAM
+        # Place in flash to save IRAM (default)
         add_idf_sdkconfig_option("CONFIG_RINGBUF_PLACE_FUNCTIONS_INTO_FLASH", True)
 
     # Setup watchdog

esphome/components/esp32/gpio.cpp

@@ -85,6 +85,7 @@ void ESP32InternalGPIOPin::attach_interrupt(void (*func)(void *), void *arg, gpi
       break;
   }
   gpio_set_intr_type(this->get_pin_num(), idf_type);
+  gpio_intr_enable(this->get_pin_num());
   if (!isr_service_installed) {
     auto res = gpio_install_isr_service(ESP_INTR_FLAG_LEVEL3);
     if (res != ESP_OK) {
@@ -94,7 +95,6 @@ void ESP32InternalGPIOPin::attach_interrupt(void (*func)(void *), void *arg, gpi
     isr_service_installed = true;
   }
   gpio_isr_handler_add(this->get_pin_num(), func, arg);
-  gpio_intr_enable(this->get_pin_num());
 }
 
 std::string ESP32InternalGPIOPin::dump_summary() const {

esphome/components/esp32_ble/ble.cpp

@@ -96,10 +96,6 @@ void ESP32BLE::advertising_set_service_data(const std::vector<uint8_t> &data) {
 }
 
 void ESP32BLE::advertising_set_manufacturer_data(const std::vector<uint8_t> &data) {
-  this->advertising_set_manufacturer_data(std::span<const uint8_t>(data));
-}
-
-void ESP32BLE::advertising_set_manufacturer_data(std::span<const uint8_t> data) {
   this->advertising_init_();
   this->advertising_->set_manufacturer_data(data);
   this->advertising_start();
@@ -312,13 +308,21 @@ bool ESP32BLE::ble_setup_() {
 bool ESP32BLE::ble_dismantle_() {
   esp_err_t err = esp_bluedroid_disable();
   if (err != ESP_OK) {
-    ESP_LOGE(TAG, "esp_bluedroid_disable failed: %d", err);
-    return false;
+    // ESP_ERR_INVALID_STATE means Bluedroid is already disabled, which is fine
+    if (err != ESP_ERR_INVALID_STATE) {
+      ESP_LOGE(TAG, "esp_bluedroid_disable failed: %d", err);
+      return false;
+    }
+    ESP_LOGD(TAG, "Already disabled");
   }
   err = esp_bluedroid_deinit();
   if (err != ESP_OK) {
-    ESP_LOGE(TAG, "esp_bluedroid_deinit failed: %d", err);
-    return false;
+    // ESP_ERR_INVALID_STATE means Bluedroid is already deinitialized, which is fine
+    if (err != ESP_ERR_INVALID_STATE) {
+      ESP_LOGE(TAG, "esp_bluedroid_deinit failed: %d", err);
+      return false;
+    }
+    ESP_LOGD(TAG, "Already deinitialized");
   }
 
 #ifndef CONFIG_ESP_HOSTED_ENABLE_BT_BLUEDROID

esphome/components/esp32_ble/ble.h

@@ -118,7 +118,6 @@ class ESP32BLE : public Component {
   void advertising_start();
   void advertising_set_service_data(const std::vector<uint8_t> &data);
   void advertising_set_manufacturer_data(const std::vector<uint8_t> &data);
-  void advertising_set_manufacturer_data(std::span<const uint8_t> data);
   void advertising_set_appearance(uint16_t appearance) { this->appearance_ = appearance; }
   void advertising_set_service_data_and_name(std::span<const uint8_t> data, bool include_name);
   void advertising_add_service_uuid(ESPBTUUID uuid);
@@ -213,17 +212,23 @@ extern ESP32BLE *global_ble;
 
 template<typename... Ts> class BLEEnabledCondition : public Condition<Ts...> {
  public:
-  bool check(const Ts &...x) override { return global_ble->is_active(); }
+  bool check(const Ts &...x) override { return global_ble != nullptr && global_ble->is_active(); }
 };
 
 template<typename... Ts> class BLEEnableAction : public Action<Ts...> {
  public:
-  void play(const Ts &...x) override { global_ble->enable(); }
+  void play(const Ts &...x) override {
+    if (global_ble != nullptr)
+      global_ble->enable();
+  }
 };
 
 template<typename... Ts> class BLEDisableAction : public Action<Ts...> {
  public:
-  void play(const Ts &...x) override { global_ble->disable(); }
+  void play(const Ts &...x) override {
+    if (global_ble != nullptr)
+      global_ble->disable();
+  }
 };
 
 }  // namespace esphome::esp32_ble

esphome/components/esp32_ble/ble_advertising.cpp

@@ -59,10 +59,6 @@ void BLEAdvertising::set_service_data(const std::vector<uint8_t> &data) {
 }
 
 void BLEAdvertising::set_manufacturer_data(const std::vector<uint8_t> &data) {
-  this->set_manufacturer_data(std::span<const uint8_t>(data));
-}
-
-void BLEAdvertising::set_manufacturer_data(std::span<const uint8_t> data) {
   delete[] this->advertising_data_.p_manufacturer_data;
   this->advertising_data_.p_manufacturer_data = nullptr;
   this->advertising_data_.manufacturer_len = data.size();

esphome/components/esp32_ble/ble_advertising.h

@@ -37,7 +37,6 @@ class BLEAdvertising {
   void set_scan_response(bool scan_response) { this->scan_response_ = scan_response; }
   void set_min_preferred_interval(uint16_t interval) { this->advertising_data_.min_interval = interval; }
   void set_manufacturer_data(const std::vector<uint8_t> &data);
-  void set_manufacturer_data(std::span<const uint8_t> data);
   void set_appearance(uint16_t appearance) { this->advertising_data_.appearance = appearance; }
   void set_service_data(const std::vector<uint8_t> &data);
   void set_service_data(std::span<const uint8_t> data);

esphome/components/esp32_ble_beacon/esp32_ble_beacon.cpp

@@ -1,6 +1,5 @@
 #include "esp32_ble_beacon.h"
 #include "esphome/core/log.h"
-#include "esphome/core/helpers.h"
 
 #ifdef USE_ESP32
 

esphome/components/esp32_ble_client/ble_client_base.cpp

@@ -524,9 +524,10 @@ void BLEClientBase::gap_event_handler(esp_gap_ble_cb_event_t event, esp_ble_gap_
     case ESP_GAP_BLE_AUTH_CMPL_EVT:
       if (!this->check_addr(param->ble_security.auth_cmpl.bd_addr))
         return;
-      char addr_str[MAC_ADDR_STR_LEN];
-      format_mac_addr_upper(param->ble_security.auth_cmpl.bd_addr, addr_str);
-      ESP_LOGI(TAG, "[%d] [%s] auth complete addr: %s", this->connection_index_, this->address_str_, addr_str);
+      esp_bd_addr_t bd_addr;
+      memcpy(bd_addr, param->ble_security.auth_cmpl.bd_addr, sizeof(esp_bd_addr_t));
+      ESP_LOGI(TAG, "[%d] [%s] auth complete addr: %s", this->connection_index_, this->address_str_,
+               format_hex(bd_addr, 6).c_str());
       if (!param->ble_security.auth_cmpl.success) {
         this->log_error_("auth fail reason", param->ble_security.auth_cmpl.fail_reason);
       } else {

esphome/components/esp32_ble_server/ble_server_automations.cpp

@@ -15,10 +15,7 @@ Trigger<std::vector<uint8_t>, uint16_t> *BLETriggers::create_characteristic_on_w
   Trigger<std::vector<uint8_t>, uint16_t> *on_write_trigger =  // NOLINT(cppcoreguidelines-owning-memory)
       new Trigger<std::vector<uint8_t>, uint16_t>();
   characteristic->on_write([on_write_trigger](std::span<const uint8_t> data, uint16_t id) {
-    // Convert span to vector for trigger - copy is necessary because:
-    // 1. Trigger stores the data for use in automation actions that execute later
-    // 2. The span is only valid during this callback (points to temporary BLE stack data)
-    // 3. User lambdas in automations need persistent data they can access asynchronously
+    // Convert span to vector for trigger
     on_write_trigger->trigger(std::vector<uint8_t>(data.begin(), data.end()), id);
   });
   return on_write_trigger;
@@ -30,10 +27,7 @@ Trigger<std::vector<uint8_t>, uint16_t> *BLETriggers::create_descriptor_on_write
   Trigger<std::vector<uint8_t>, uint16_t> *on_write_trigger =  // NOLINT(cppcoreguidelines-owning-memory)
       new Trigger<std::vector<uint8_t>, uint16_t>();
   descriptor->on_write([on_write_trigger](std::span<const uint8_t> data, uint16_t id) {
-    // Convert span to vector for trigger - copy is necessary because:
-    // 1. Trigger stores the data for use in automation actions that execute later
-    // 2. The span is only valid during this callback (points to temporary BLE stack data)
-    // 3. User lambdas in automations need persistent data they can access asynchronously
+    // Convert span to vector for trigger
     on_write_trigger->trigger(std::vector<uint8_t>(data.begin(), data.end()), id);
   });
   return on_write_trigger;

esphome/components/esp32_ble_tracker/__init__.py

@@ -5,7 +5,7 @@ import logging
 
 from esphome import automation
 import esphome.codegen as cg
-from esphome.components import esp32_ble, ota
+from esphome.components import esp32_ble
 from esphome.components.esp32 import add_idf_sdkconfig_option
 from esphome.components.esp32_ble import (
     IDF_MAX_CONNECTIONS,
@@ -328,7 +328,7 @@ async def to_code(config):
     # Note: CONFIG_BT_ACL_CONNECTIONS and CONFIG_BTDM_CTRL_BLE_MAX_CONN are now
     # configured in esp32_ble component based on max_connections setting
 
-    ota.request_ota_state_listeners()  # To be notified when an OTA update starts
+    cg.add_define("USE_OTA_STATE_CALLBACK")  # To be notified when an OTA update starts
     cg.add_define("USE_ESP32_BLE_CLIENT")
 
     CORE.add_job(_add_ble_features)

esphome/components/esp32_ble_tracker/esp32_ble_tracker.cpp

@@ -71,23 +71,20 @@ void ESP32BLETracker::setup() {
 
   global_esp32_ble_tracker = this;
 
-#ifdef USE_OTA_STATE_LISTENER
-  ota::get_global_ota_callback()->add_global_state_listener(this);
-#endif
-}
-
-#ifdef USE_OTA_STATE_LISTENER
-void ESP32BLETracker::on_ota_global_state(ota::OTAState state, float progress, uint8_t error, ota::OTAComponent *comp) {
-  if (state == ota::OTA_STARTED) {
-    this->stop_scan();
+#ifdef USE_OTA
+  ota::get_global_ota_callback()->add_on_state_callback(
+      [this](ota::OTAState state, float progress, uint8_t error, ota::OTAComponent *comp) {
+        if (state == ota::OTA_STARTED) {
+          this->stop_scan();
 #ifdef ESPHOME_ESP32_BLE_TRACKER_CLIENT_COUNT
-    for (auto *client : this->clients_) {
-      client->disconnect();
-    }
+          for (auto *client : this->clients_) {
+            client->disconnect();
+          }
+#endif
+        }
+      });
 #endif
-  }
 }
-#endif
 
 void ESP32BLETracker::loop() {
   if (!this->parent_->is_active()) {
@@ -188,7 +185,10 @@ void ESP32BLETracker::ble_before_disabled_event_handler() { this->stop_scan_();
 
 void ESP32BLETracker::stop_scan_() {
   if (this->scanner_state_ != ScannerState::RUNNING && this->scanner_state_ != ScannerState::FAILED) {
-    ESP_LOGE(TAG, "Cannot stop scan: %s", this->scanner_state_to_string_(this->scanner_state_));
+    // If scanner is already idle, there's nothing to stop - this is not an error
+    if (this->scanner_state_ != ScannerState::IDLE) {
+      ESP_LOGE(TAG, "Cannot stop scan: %s", this->scanner_state_to_string_(this->scanner_state_));
+    }
     return;
   }
   // Reset timeout state machine when stopping scan

esphome/components/esp32_ble_tracker/esp32_ble_tracker.h

@@ -22,10 +22,6 @@
 #include "esphome/components/esp32_ble/ble_uuid.h"
 #include "esphome/components/esp32_ble/ble_scan_result.h"
 
-#ifdef USE_OTA_STATE_LISTENER
-#include "esphome/components/ota/ota_backend.h"
-#endif
-
 namespace esphome::esp32_ble_tracker {
 
 using namespace esp32_ble;
@@ -245,9 +241,6 @@ class ESP32BLETracker : public Component,
                         public GAPScanEventHandler,
                         public GATTcEventHandler,
                         public BLEStatusEventHandler,
-#ifdef USE_OTA_STATE_LISTENER
-                        public ota::OTAGlobalStateListener,
-#endif
                         public Parented<ESP32BLE> {
  public:
   void set_scan_duration(uint32_t scan_duration) { scan_duration_ = scan_duration; }
@@ -281,10 +274,6 @@ class ESP32BLETracker : public Component,
   void gap_scan_event_handler(const BLEScanResult &scan_result) override;
   void ble_before_disabled_event_handler() override;
 
-#ifdef USE_OTA_STATE_LISTENER
-  void on_ota_global_state(ota::OTAState state, float progress, uint8_t error, ota::OTAComponent *comp) override;
-#endif
-
   /// Add a listener for scanner state changes
   void add_scanner_state_listener(BLEScannerStateListener *listener) {
     this->scanner_state_listeners_.push_back(listener);

esphome/components/esp32_camera/__init__.py

@@ -3,7 +3,7 @@ import logging
 from esphome import automation, pins
 import esphome.codegen as cg
 from esphome.components import i2c
-from esphome.components.esp32 import add_idf_component
+from esphome.components.esp32 import add_idf_component, add_idf_sdkconfig_option
 from esphome.components.psram import DOMAIN as psram_domain
 import esphome.config_validation as cv
 from esphome.const import (
@@ -352,6 +352,8 @@ async def to_code(config):
     cg.add_define("USE_CAMERA")
 
     add_idf_component(name="espressif/esp32-camera", ref="2.1.1")
+    add_idf_sdkconfig_option("CONFIG_SCCB_HARDWARE_I2C_DRIVER_NEW", True)
+    add_idf_sdkconfig_option("CONFIG_SCCB_HARDWARE_I2C_DRIVER_LEGACY", False)
 
     for conf in config.get(CONF_ON_STREAM_START, []):
         trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)

esphome/components/esphome/ota/ota_esphome.cpp

@@ -41,6 +41,10 @@ static constexpr size_t SHA256_HEX_SIZE = 64;  // SHA256 hash as hex string (32
 #endif  // USE_OTA_PASSWORD
 
 void ESPHomeOTAComponent::setup() {
+#ifdef USE_OTA_STATE_CALLBACK
+  ota::register_ota_platform(this);
+#endif
+
   this->server_ = socket::socket_ip_loop_monitored(SOCK_STREAM, 0);  // monitored for incoming connections
   if (this->server_ == nullptr) {
     this->log_socket_error_(LOG_STR("creation"));
@@ -293,8 +297,8 @@ void ESPHomeOTAComponent::handle_data_() {
   // accidentally trigger the update process.
   this->log_start_(LOG_STR("update"));
   this->status_set_warning();
-#ifdef USE_OTA_STATE_LISTENER
-  this->notify_state_(ota::OTA_STARTED, 0.0f, 0);
+#ifdef USE_OTA_STATE_CALLBACK
+  this->state_callback_.call(ota::OTA_STARTED, 0.0f, 0);
 #endif
 
   // This will block for a few seconds as it locks flash
@@ -353,8 +357,8 @@ void ESPHomeOTAComponent::handle_data_() {
       last_progress = now;
       float percentage = (total * 100.0f) / ota_size;
       ESP_LOGD(TAG, "Progress: %0.1f%%", percentage);
-#ifdef USE_OTA_STATE_LISTENER
-      this->notify_state_(ota::OTA_IN_PROGRESS, percentage, 0);
+#ifdef USE_OTA_STATE_CALLBACK
+      this->state_callback_.call(ota::OTA_IN_PROGRESS, percentage, 0);
 #endif
       // feed watchdog and give other tasks a chance to run
       this->yield_and_feed_watchdog_();
@@ -383,8 +387,8 @@ void ESPHomeOTAComponent::handle_data_() {
   delay(10);
   ESP_LOGI(TAG, "Update complete");
   this->status_clear_warning();
-#ifdef USE_OTA_STATE_LISTENER
-  this->notify_state_(ota::OTA_COMPLETED, 100.0f, 0);
+#ifdef USE_OTA_STATE_CALLBACK
+  this->state_callback_.call(ota::OTA_COMPLETED, 100.0f, 0);
 #endif
   delay(100);  // NOLINT
   App.safe_reboot();
@@ -398,8 +402,8 @@ error:
   }
 
   this->status_momentary_error("err", 5000);
-#ifdef USE_OTA_STATE_LISTENER
-  this->notify_state_(ota::OTA_ERROR, 0.0f, static_cast<uint8_t>(error_code));
+#ifdef USE_OTA_STATE_CALLBACK
+  this->state_callback_.call(ota::OTA_ERROR, 0.0f, static_cast<uint8_t>(error_code));
 #endif
 }
 

esphome/components/espnow/packet_transport/espnow_transport.cpp

@@ -13,7 +13,7 @@ static const char *const TAG = "espnow.transport";
 bool ESPNowTransport::should_send() { return this->parent_ != nullptr && !this->parent_->is_failed(); }
 
 void ESPNowTransport::setup() {
-  packet_transport::PacketTransport::setup();
+  PacketTransport::setup();
 
   if (this->parent_ == nullptr) {
     ESP_LOGE(TAG, "ESPNow component not set");
@@ -26,15 +26,10 @@ void ESPNowTransport::setup() {
            this->peer_address_[2], this->peer_address_[3], this->peer_address_[4], this->peer_address_[5]);
 
   // Register received handler
-  this->parent_->register_received_handler(static_cast<ESPNowReceivedPacketHandler *>(this));
+  this->parent_->register_received_handler(this);
 
   // Register broadcasted handler
-  this->parent_->register_broadcasted_handler(static_cast<ESPNowBroadcastedHandler *>(this));
-}
-
-void ESPNowTransport::update() {
-  packet_transport::PacketTransport::update();
-  this->updated_ = true;
+  this->parent_->register_broadcasted_handler(this);
 }
 
 void ESPNowTransport::send_packet(const std::vector<uint8_t> &buf) const {

esphome/components/espnow/packet_transport/espnow_transport.h

@@ -18,7 +18,6 @@ class ESPNowTransport : public packet_transport::PacketTransport,
                         public ESPNowBroadcastedHandler {
  public:
   void setup() override;
-  void update() override;
   float get_setup_priority() const override { return setup_priority::AFTER_WIFI; }
 
   void set_peer_address(peer_address_t address) {

esphome/components/ethernet/__init__.py

@@ -434,10 +434,13 @@ def _final_validate_rmii_pins(config: ConfigType) -> None:
 
     # Check all used pins against RMII reserved pins
     for pin_list in pins.PIN_SCHEMA_REGISTRY.pins_used.values():
-        for pin_path, _, pin_config in pin_list:
+        for pin_path, pin_device, pin_config in pin_list:
             pin_num = pin_config.get(CONF_NUMBER)
             if pin_num not in rmii_pins:
                 continue
+            # Skip if pin is not directly on ESP, but at some expander (device set to something else than 'None')
+            if pin_device is not None:
+                continue
             # Found a conflict - show helpful error message
             pin_function = rmii_pins[pin_num]
             component_path = ".".join(str(p) for p in pin_path)

esphome/components/fan/fan.cpp

@@ -65,7 +65,7 @@ void FanCall::validate_() {
   auto traits = this->parent_.get_traits();
 
   if (this->speed_.has_value()) {
-    this->speed_ = clamp(*this->speed_, 1, static_cast<int>(traits.supported_speed_count()));
+    this->speed_ = clamp(*this->speed_, 1, traits.supported_speed_count());
 
     // https://developers.home-assistant.io/docs/core/entity/fan/#preset-modes
     // "Manually setting a speed must disable any set preset mode"

esphome/components/fan/fan_traits.h

@@ -11,7 +11,7 @@ namespace fan {
 class FanTraits {
  public:
   FanTraits() = default;
-  FanTraits(bool oscillation, bool speed, bool direction, uint8_t speed_count)
+  FanTraits(bool oscillation, bool speed, bool direction, int speed_count)
       : oscillation_(oscillation), speed_(speed), direction_(direction), speed_count_(speed_count) {}
 
   /// Return if this fan supports oscillation.
@@ -23,9 +23,9 @@ class FanTraits {
   /// Set whether this fan supports speed levels.
   void set_speed(bool speed) { this->speed_ = speed; }
   /// Return how many speed levels the fan has
-  uint8_t supported_speed_count() const { return this->speed_count_; }
+  int supported_speed_count() const { return this->speed_count_; }
   /// Set how many speed levels this fan has.
-  void set_supported_speed_count(uint8_t speed_count) { this->speed_count_ = speed_count; }
+  void set_supported_speed_count(int speed_count) { this->speed_count_ = speed_count; }
   /// Return if this fan supports changing direction
   bool supports_direction() const { return this->direction_; }
   /// Set whether this fan supports changing direction
@@ -61,7 +61,7 @@ class FanTraits {
   bool oscillation_{false};
   bool speed_{false};
   bool direction_{false};
-  uint8_t speed_count_{};
+  int speed_count_{};
   std::vector<const char *> preset_modes_{};
 };
 

esphome/components/hbridge/fan/__init__.py

@@ -39,7 +39,7 @@ CONFIG_SCHEMA = (
             cv.Optional(CONF_DECAY_MODE, default="SLOW"): cv.enum(
                 DECAY_MODE_OPTIONS, upper=True
             ),
-            cv.Optional(CONF_SPEED_COUNT, default=100): cv.int_range(min=1, max=255),
+            cv.Optional(CONF_SPEED_COUNT, default=100): cv.int_range(min=1),
             cv.Optional(CONF_ENABLE_PIN): cv.use_id(output.FloatOutput),
             cv.Optional(CONF_PRESET_MODES): validate_preset_modes,
         }

esphome/components/hbridge/fan/hbridge_fan.h

@@ -15,7 +15,7 @@ enum DecayMode {
 
 class HBridgeFan : public Component, public fan::Fan {
  public:
-  HBridgeFan(uint8_t speed_count, DecayMode decay_mode) : speed_count_(speed_count), decay_mode_(decay_mode) {}
+  HBridgeFan(int speed_count, DecayMode decay_mode) : speed_count_(speed_count), decay_mode_(decay_mode) {}
 
   void set_pin_a(output::FloatOutput *pin_a) { pin_a_ = pin_a; }
   void set_pin_b(output::FloatOutput *pin_b) { pin_b_ = pin_b; }
@@ -33,7 +33,7 @@ class HBridgeFan : public Component, public fan::Fan {
   output::FloatOutput *pin_b_;
   output::FloatOutput *enable_{nullptr};
   output::BinaryOutput *oscillating_{nullptr};
-  uint8_t speed_count_{};
+  int speed_count_{};
   DecayMode decay_mode_{DECAY_MODE_SLOW};
   fan::FanTraits traits_;
   std::vector<const char *> preset_modes_{};

esphome/components/hmac_md5/__init__.py

@@ -1,6 +1,2 @@
-import esphome.config_validation as cv
-
 AUTO_LOAD = ["md5"]
 CODEOWNERS = ["@dwmw2"]
-
-CONFIG_SCHEMA = cv.Schema({})

esphome/components/http_request/http_request.h

@@ -255,6 +255,9 @@ template<typename... Ts> class HttpRequestSendAction : public Action<Ts...> {
         size_t read_index = 0;
         while (container->get_bytes_read() < max_length) {
           int read = container->read(buf + read_index, std::min<size_t>(max_length - read_index, 512));
+          if (read <= 0) {
+            break;
+          }
           App.feed_wdt();
           yield();
           read_index += read;

esphome/components/http_request/ota/ota_http_request.cpp

@@ -16,7 +16,11 @@ namespace http_request {
 
 static const char *const TAG = "http_request.ota";
 
-void OtaHttpRequestComponent::setup() {}
+void OtaHttpRequestComponent::setup() {
+#ifdef USE_OTA_STATE_CALLBACK
+  ota::register_ota_platform(this);
+#endif
+}
 
 void OtaHttpRequestComponent::dump_config() { ESP_LOGCONFIG(TAG, "Over-The-Air updates via HTTP request"); };
 
@@ -44,24 +48,24 @@ void OtaHttpRequestComponent::flash() {
   }
 
   ESP_LOGI(TAG, "Starting update");
-#ifdef USE_OTA_STATE_LISTENER
-  this->notify_state_(ota::OTA_STARTED, 0.0f, 0);
+#ifdef USE_OTA_STATE_CALLBACK
+  this->state_callback_.call(ota::OTA_STARTED, 0.0f, 0);
 #endif
 
   auto ota_status = this->do_ota_();
 
   switch (ota_status) {
     case ota::OTA_RESPONSE_OK:
-#ifdef USE_OTA_STATE_LISTENER
-      this->notify_state_(ota::OTA_COMPLETED, 100.0f, ota_status);
+#ifdef USE_OTA_STATE_CALLBACK
+      this->state_callback_.call(ota::OTA_COMPLETED, 100.0f, ota_status);
 #endif
       delay(10);
       App.safe_reboot();
       break;
 
     default:
-#ifdef USE_OTA_STATE_LISTENER
-      this->notify_state_(ota::OTA_ERROR, 0.0f, ota_status);
+#ifdef USE_OTA_STATE_CALLBACK
+      this->state_callback_.call(ota::OTA_ERROR, 0.0f, ota_status);
 #endif
       this->md5_computed_.clear();  // will be reset at next attempt
       this->md5_expected_.clear();  // will be reset at next attempt
@@ -128,11 +132,18 @@ uint8_t OtaHttpRequestComponent::do_ota_() {
     App.feed_wdt();
     yield();
 
-    if (bufsize < 0) {
-      ESP_LOGE(TAG, "Stream closed");
-      this->cleanup_(std::move(backend), container);
-      return OTA_CONNECTION_ERROR;
-    } else if (bufsize > 0 && bufsize <= OtaHttpRequestComponent::HTTP_RECV_BUFFER) {
+    // Exit loop if no data available (stream closed or end of data)
+    if (bufsize <= 0) {
+      if (bufsize < 0) {
+        ESP_LOGE(TAG, "Stream closed with error");
+        this->cleanup_(std::move(backend), container);
+        return OTA_CONNECTION_ERROR;
+      }
+      // bufsize == 0: no more data available, exit loop
+      break;
+    }
+
+    if (bufsize <= OtaHttpRequestComponent::HTTP_RECV_BUFFER) {
       // add read bytes to MD5
       md5_receive.add(buf, bufsize);
 
@@ -154,8 +165,8 @@ uint8_t OtaHttpRequestComponent::do_ota_() {
       last_progress = now;
       float percentage = container->get_bytes_read() * 100.0f / container->content_length;
       ESP_LOGD(TAG, "Progress: %0.1f%%", percentage);
-#ifdef USE_OTA_STATE_LISTENER
-      this->notify_state_(ota::OTA_IN_PROGRESS, percentage, 0);
+#ifdef USE_OTA_STATE_CALLBACK
+      this->state_callback_.call(ota::OTA_IN_PROGRESS, percentage, 0);
 #endif
     }
   }  // while
@@ -243,6 +254,9 @@ bool OtaHttpRequestComponent::http_get_md5_() {
   int read_len = 0;
   while (container->get_bytes_read() < MD5_SIZE) {
     read_len = container->read((uint8_t *) this->md5_expected_.data(), MD5_SIZE);
+    if (read_len <= 0) {
+      break;
+    }
     App.feed_wdt();
     yield();
   }

esphome/components/http_request/update/__init__.py

@@ -1,5 +1,5 @@
 import esphome.codegen as cg
-from esphome.components import ota, update
+from esphome.components import update
 import esphome.config_validation as cv
 from esphome.const import CONF_SOURCE
 
@@ -38,6 +38,6 @@ async def to_code(config):
 
     cg.add(var.set_source_url(config[CONF_SOURCE]))
 
-    ota.request_ota_state_listeners()
+    cg.add_define("USE_OTA_STATE_CALLBACK")
 
     await cg.register_component(var, config)

esphome/components/http_request/update/http_request_update.cpp

@@ -20,19 +20,19 @@ static const char *const TAG = "http_request.update";
 
 static const size_t MAX_READ_SIZE = 256;
 
-void HttpRequestUpdate::setup() { this->ota_parent_->add_state_listener(this); }
-
-void HttpRequestUpdate::on_ota_state(ota::OTAState state, float progress, uint8_t error) {
-  if (state == ota::OTAState::OTA_IN_PROGRESS) {
-    this->state_ = update::UPDATE_STATE_INSTALLING;
-    this->update_info_.has_progress = true;
-    this->update_info_.progress = progress;
-    this->publish_state();
-  } else if (state == ota::OTAState::OTA_ABORT || state == ota::OTAState::OTA_ERROR) {
-    this->state_ = update::UPDATE_STATE_AVAILABLE;
-    this->status_set_error(LOG_STR("Failed to install firmware"));
-    this->publish_state();
-  }
+void HttpRequestUpdate::setup() {
+  this->ota_parent_->add_on_state_callback([this](ota::OTAState state, float progress, uint8_t err) {
+    if (state == ota::OTAState::OTA_IN_PROGRESS) {
+      this->state_ = update::UPDATE_STATE_INSTALLING;
+      this->update_info_.has_progress = true;
+      this->update_info_.progress = progress;
+      this->publish_state();
+    } else if (state == ota::OTAState::OTA_ABORT || state == ota::OTAState::OTA_ERROR) {
+      this->state_ = update::UPDATE_STATE_AVAILABLE;
+      this->status_set_error(LOG_STR("Failed to install firmware"));
+      this->publish_state();
+    }
+  });
 }
 
 void HttpRequestUpdate::update() {
@@ -76,6 +76,11 @@ void HttpRequestUpdate::update_task(void *params) {
 
     yield();
 
+    if (read_bytes <= 0) {
+      // Network error or connection closed - break to avoid infinite loop
+      break;
+    }
+
     read_index += read_bytes;
   }
 

esphome/components/http_request/update/http_request_update.h

@@ -14,7 +14,7 @@
 namespace esphome {
 namespace http_request {
 
-class HttpRequestUpdate final : public update::UpdateEntity, public PollingComponent, public ota::OTAStateListener {
+class HttpRequestUpdate : public update::UpdateEntity, public PollingComponent {
  public:
   void setup() override;
   void update() override;
@@ -29,8 +29,6 @@ class HttpRequestUpdate final : public update::UpdateEntity, public PollingCompo
 
   float get_setup_priority() const override { return setup_priority::AFTER_WIFI; }
 
-  void on_ota_state(ota::OTAState state, float progress, uint8_t error) override;
-
  protected:
   HttpRequestComponent *request_parent_;
   OtaHttpRequestComponent *ota_parent_;

esphome/components/i2c/i2c_bus_esp_idf.cpp

@@ -116,7 +116,7 @@ void IDFI2CBus::dump_config() {
         if (s.second) {
           ESP_LOGCONFIG(TAG, "Found device at address 0x%02X", s.first);
         } else {
-          ESP_LOGCONFIG(TAG, "Unknown error at address 0x%02X", s.first);
+          ESP_LOGE(TAG, "Unknown error at address 0x%02X", s.first);
         }
       }
     }

esphome/components/i2s_audio/__init__.py

@@ -1,11 +1,6 @@
 from esphome import pins
 import esphome.codegen as cg
 from esphome.components.esp32 import (
-    add_idf_sdkconfig_option,
-    enable_ringbuf_in_iram,
-    get_esp32_variant,
-)
-from esphome.components.esp32.const import (
     VARIANT_ESP32,
     VARIANT_ESP32C3,
     VARIANT_ESP32C5,
@@ -15,6 +10,8 @@ from esphome.components.esp32.const import (
     VARIANT_ESP32P4,
     VARIANT_ESP32S2,
     VARIANT_ESP32S3,
+    add_idf_sdkconfig_option,
+    get_esp32_variant,
 )
 import esphome.config_validation as cv
 from esphome.const import CONF_BITS_PER_SAMPLE, CONF_CHANNEL, CONF_ID, CONF_SAMPLE_RATE
@@ -280,9 +277,6 @@ async def to_code(config):
     # Helps avoid callbacks being skipped due to processor load
     add_idf_sdkconfig_option("CONFIG_I2S_ISR_IRAM_SAFE", True)
 
-    # Keep ring buffer functions in IRAM for audio performance
-    enable_ringbuf_in_iram()
-
     cg.add(var.set_lrclk_pin(config[CONF_I2S_LRCLK_PIN]))
     if CONF_I2S_BCLK_PIN in config:
         cg.add(var.set_bclk_pin(config[CONF_I2S_BCLK_PIN]))

esphome/components/mcp23016/mcp23016.cpp

@@ -56,7 +56,7 @@ void MCP23016::pin_mode(uint8_t pin, gpio::Flags flags) {
     this->update_reg_(pin, false, iodir);
   }
 }
-float MCP23016::get_setup_priority() const { return setup_priority::IO; }
+float MCP23016::get_setup_priority() const { return setup_priority::HARDWARE; }
 bool MCP23016::read_reg_(uint8_t reg, uint8_t *value) {
   if (this->is_failed())
     return false;

esphome/components/micro_wake_word/__init__.py

@@ -7,7 +7,7 @@ from urllib.parse import urljoin
 from esphome import automation, external_files, git
 from esphome.automation import register_action, register_condition
 import esphome.codegen as cg
-from esphome.components import esp32, microphone, ota, socket
+from esphome.components import esp32, microphone, socket
 import esphome.config_validation as cv
 from esphome.const import (
     CONF_FILE,
@@ -448,14 +448,11 @@ async def to_code(config):
     # The inference task queues detection events that need immediate processing
     socket.require_wake_loop_threadsafe()
 
-    # Keep ring buffer functions in IRAM for audio performance
-    esp32.enable_ringbuf_in_iram()
-
     mic_source = await microphone.microphone_source_to_code(config[CONF_MICROPHONE])
     cg.add(var.set_microphone_source(mic_source))
 
     cg.add_define("USE_MICRO_WAKE_WORD")
-    ota.request_ota_state_listeners()
+    cg.add_define("USE_OTA_STATE_CALLBACK")
 
     esp32.add_idf_component(name="espressif/esp-tflite-micro", ref="1.3.3~1")
 

esphome/components/micro_wake_word/micro_wake_word.cpp

@@ -119,21 +119,18 @@ void MicroWakeWord::setup() {
     }
   });
 
-#ifdef USE_OTA_STATE_LISTENER
-  ota::get_global_ota_callback()->add_global_state_listener(this);
+#ifdef USE_OTA
+  ota::get_global_ota_callback()->add_on_state_callback(
+      [this](ota::OTAState state, float progress, uint8_t error, ota::OTAComponent *comp) {
+        if (state == ota::OTA_STARTED) {
+          this->suspend_task_();
+        } else if (state == ota::OTA_ERROR) {
+          this->resume_task_();
+        }
+      });
 #endif
 }
 
-#ifdef USE_OTA_STATE_LISTENER
-void MicroWakeWord::on_ota_global_state(ota::OTAState state, float progress, uint8_t error, ota::OTAComponent *comp) {
-  if (state == ota::OTA_STARTED) {
-    this->suspend_task_();
-  } else if (state == ota::OTA_ERROR) {
-    this->resume_task_();
-  }
-}
-#endif
-
 void MicroWakeWord::inference_task(void *params) {
   MicroWakeWord *this_mww = (MicroWakeWord *) params;
 

esphome/components/micro_wake_word/micro_wake_word.h

@@ -9,13 +9,8 @@
 
 #include "esphome/core/automation.h"
 #include "esphome/core/component.h"
-#include "esphome/core/defines.h"
 #include "esphome/core/ring_buffer.h"
 
-#ifdef USE_OTA_STATE_LISTENER
-#include "esphome/components/ota/ota_backend.h"
-#endif
-
 #include <freertos/event_groups.h>
 
 #include <frontend.h>
@@ -31,22 +26,13 @@ enum State {
   STOPPED,
 };
 
-class MicroWakeWord : public Component
-#ifdef USE_OTA_STATE_LISTENER
-    ,
-                      public ota::OTAGlobalStateListener
-#endif
-{
+class MicroWakeWord : public Component {
  public:
   void setup() override;
   void loop() override;
   float get_setup_priority() const override;
   void dump_config() override;
 
-#ifdef USE_OTA_STATE_LISTENER
-  void on_ota_global_state(ota::OTAState state, float progress, uint8_t error, ota::OTAComponent *comp) override;
-#endif
-
   void start();
   void stop();
 

esphome/components/ota/__init__.py

@@ -13,8 +13,6 @@ from esphome.const import (
 from esphome.core import CORE, coroutine_with_priority
 from esphome.coroutine import CoroPriority
 
-OTA_STATE_LISTENER_KEY = "ota_state_listener"
-
 CODEOWNERS = ["@esphome/core"]
 AUTO_LOAD = ["md5", "safe_mode"]
 
@@ -88,7 +86,6 @@ BASE_OTA_SCHEMA = cv.Schema(
 @coroutine_with_priority(CoroPriority.OTA_UPDATES)
 async def to_code(config):
     cg.add_define("USE_OTA")
-    CORE.add_job(final_step)
 
     if CORE.is_rp2040 and CORE.using_arduino:
         cg.add_library("Updater", None)
@@ -122,24 +119,7 @@ async def ota_to_code(var, config):
         await automation.build_automation(trigger, [(cg.uint8, "x")], conf)
         use_state_callback = True
     if use_state_callback:
-        request_ota_state_listeners()
-
-
-def request_ota_state_listeners() -> None:
-    """Request that OTA state listeners be compiled in.
-
-    Components that need to be notified about OTA state changes (start, progress,
-    complete, error) should call this function during their code generation.
-    This enables the add_state_listener() API on OTAComponent.
-    """
-    CORE.data[OTA_STATE_LISTENER_KEY] = True
-
-
-@coroutine_with_priority(CoroPriority.FINAL)
-async def final_step():
-    """Final code generation step to configure optional OTA features."""
-    if CORE.data.get(OTA_STATE_LISTENER_KEY, False):
-        cg.add_define("USE_OTA_STATE_LISTENER")
+        cg.add_define("USE_OTA_STATE_CALLBACK")
 
 
 FILTER_SOURCE_FILES = filter_source_files_from_platform(

esphome/components/ota/automation.h

@@ -1,5 +1,5 @@
 #pragma once
-#ifdef USE_OTA_STATE_LISTENER
+#ifdef USE_OTA_STATE_CALLBACK
 #include "ota_backend.h"
 
 #include "esphome/core/automation.h"
@@ -7,64 +7,70 @@
 namespace esphome {
 namespace ota {
 
-class OTAStateChangeTrigger final : public Trigger<OTAState>, public OTAStateListener {
+class OTAStateChangeTrigger : public Trigger<OTAState> {
  public:
-  explicit OTAStateChangeTrigger(OTAComponent *parent) : parent_(parent) { parent->add_state_listener(this); }
-
-  void on_ota_state(OTAState state, float progress, uint8_t error) override {
-    if (!this->parent_->is_failed()) {
-      this->trigger(state);
-    }
+  explicit OTAStateChangeTrigger(OTAComponent *parent) {
+    parent->add_on_state_callback([this, parent](OTAState state, float progress, uint8_t error) {
+      if (!parent->is_failed()) {
+        trigger(state);
+      }
+    });
   }
-
- protected:
-  OTAComponent *parent_;
 };
 
-template<OTAState State> class OTAStateTrigger final : public Trigger<>, public OTAStateListener {
+class OTAStartTrigger : public Trigger<> {
  public:
-  explicit OTAStateTrigger(OTAComponent *parent) : parent_(parent) { parent->add_state_listener(this); }
-
-  void on_ota_state(OTAState state, float progress, uint8_t error) override {
-    if (state == State && !this->parent_->is_failed()) {
-      this->trigger();
-    }
+  explicit OTAStartTrigger(OTAComponent *parent) {
+    parent->add_on_state_callback([this, parent](OTAState state, float progress, uint8_t error) {
+      if (state == OTA_STARTED && !parent->is_failed()) {
+        trigger();
+      }
+    });
   }
-
- protected:
-  OTAComponent *parent_;
 };
 
-using OTAStartTrigger = OTAStateTrigger<OTA_STARTED>;
-using OTAEndTrigger = OTAStateTrigger<OTA_COMPLETED>;
-using OTAAbortTrigger = OTAStateTrigger<OTA_ABORT>;
-
-class OTAProgressTrigger final : public Trigger<float>, public OTAStateListener {
+class OTAProgressTrigger : public Trigger<float> {
  public:
-  explicit OTAProgressTrigger(OTAComponent *parent) : parent_(parent) { parent->add_state_listener(this); }
-
-  void on_ota_state(OTAState state, float progress, uint8_t error) override {
-    if (state == OTA_IN_PROGRESS && !this->parent_->is_failed()) {
-      this->trigger(progress);
-    }
+  explicit OTAProgressTrigger(OTAComponent *parent) {
+    parent->add_on_state_callback([this, parent](OTAState state, float progress, uint8_t error) {
+      if (state == OTA_IN_PROGRESS && !parent->is_failed()) {
+        trigger(progress);
+      }
+    });
   }
-
- protected:
-  OTAComponent *parent_;
 };
 
-class OTAErrorTrigger final : public Trigger<uint8_t>, public OTAStateListener {
+class OTAEndTrigger : public Trigger<> {
  public:
-  explicit OTAErrorTrigger(OTAComponent *parent) : parent_(parent) { parent->add_state_listener(this); }
-
-  void on_ota_state(OTAState state, float progress, uint8_t error) override {
-    if (state == OTA_ERROR && !this->parent_->is_failed()) {
-      this->trigger(error);
-    }
+  explicit OTAEndTrigger(OTAComponent *parent) {
+    parent->add_on_state_callback([this, parent](OTAState state, float progress, uint8_t error) {
+      if (state == OTA_COMPLETED && !parent->is_failed()) {
+        trigger();
+      }
+    });
   }
+};
 
- protected:
-  OTAComponent *parent_;
+class OTAAbortTrigger : public Trigger<> {
+ public:
+  explicit OTAAbortTrigger(OTAComponent *parent) {
+    parent->add_on_state_callback([this, parent](OTAState state, float progress, uint8_t error) {
+      if (state == OTA_ABORT && !parent->is_failed()) {
+        trigger();
+      }
+    });
+  }
+};
+
+class OTAErrorTrigger : public Trigger<uint8_t> {
+ public:
+  explicit OTAErrorTrigger(OTAComponent *parent) {
+    parent->add_on_state_callback([this, parent](OTAState state, float progress, uint8_t error) {
+      if (state == OTA_ERROR && !parent->is_failed()) {
+        trigger(error);
+      }
+    });
+  }
 };
 
 }  // namespace ota

esphome/components/ota/ota_backend.cpp

@@ -3,7 +3,7 @@
 namespace esphome {
 namespace ota {
 
-#ifdef USE_OTA_STATE_LISTENER
+#ifdef USE_OTA_STATE_CALLBACK
 OTAGlobalCallback *global_ota_callback{nullptr};  // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
 
 OTAGlobalCallback *get_global_ota_callback() {
@@ -13,12 +13,7 @@ OTAGlobalCallback *get_global_ota_callback() {
   return global_ota_callback;
 }
 
-void OTAComponent::notify_state_(OTAState state, float progress, uint8_t error) {
-  for (auto *listener : this->state_listeners_) {
-    listener->on_ota_state(state, progress, error);
-  }
-  get_global_ota_callback()->notify_ota_state(state, progress, error, this);
-}
+void register_ota_platform(OTAComponent *ota_caller) { get_global_ota_callback()->register_ota(ota_caller); }
 #endif
 
 }  // namespace ota

esphome/components/ota/ota_backend.h

@@ -4,8 +4,8 @@
 #include "esphome/core/defines.h"
 #include "esphome/core/helpers.h"
 
-#ifdef USE_OTA_STATE_LISTENER
-#include <vector>
+#ifdef USE_OTA_STATE_CALLBACK
+#include "esphome/core/automation.h"
 #endif
 
 namespace esphome {
@@ -60,75 +60,62 @@ class OTABackend {
   virtual bool supports_compression() = 0;
 };
 
-/** Listener interface for OTA state changes.
- *
- * Components can implement this interface to receive OTA state updates
- * without the overhead of std::function callbacks.
- */
-class OTAStateListener {
- public:
-  virtual ~OTAStateListener() = default;
-  virtual void on_ota_state(OTAState state, float progress, uint8_t error) = 0;
-};
-
 class OTAComponent : public Component {
-#ifdef USE_OTA_STATE_LISTENER
+#ifdef USE_OTA_STATE_CALLBACK
  public:
-  void add_state_listener(OTAStateListener *listener) { this->state_listeners_.push_back(listener); }
-
- protected:
-  void notify_state_(OTAState state, float progress, uint8_t error);
-
-  /** Notify state with deferral to main loop (for thread safety).
-   *
-   * This should be used by OTA implementations that run in separate tasks
-   * (like web_server OTA) to ensure listeners execute in the main loop.
-   */
-  void notify_state_deferred_(OTAState state, float progress, uint8_t error) {
-    this->defer([this, state, progress, error]() { this->notify_state_(state, progress, error); });
+  void add_on_state_callback(std::function<void(ota::OTAState, float, uint8_t)> &&callback) {
+    this->state_callback_.add(std::move(callback));
   }
 
-  std::vector<OTAStateListener *> state_listeners_;
+ protected:
+  /** Extended callback manager with deferred call support.
+   *
+   * This adds a call_deferred() method for thread-safe execution from other tasks.
+   */
+  class StateCallbackManager : public CallbackManager<void(OTAState, float, uint8_t)> {
+   public:
+    StateCallbackManager(OTAComponent *component) : component_(component) {}
+
+    /** Call callbacks with deferral to main loop (for thread safety).
+     *
+     * This should be used by OTA implementations that run in separate tasks
+     * (like web_server OTA) to ensure callbacks execute in the main loop.
+     */
+    void call_deferred(ota::OTAState state, float progress, uint8_t error) {
+      component_->defer([this, state, progress, error]() { this->call(state, progress, error); });
+    }
+
+   private:
+    OTAComponent *component_;
+  };
+
+  StateCallbackManager state_callback_{this};
 #endif
 };
 
-#ifdef USE_OTA_STATE_LISTENER
-
-/** Listener interface for global OTA state changes (includes OTA component pointer).
- *
- * Used by OTAGlobalCallback to aggregate state from multiple OTA components.
- */
-class OTAGlobalStateListener {
- public:
-  virtual ~OTAGlobalStateListener() = default;
-  virtual void on_ota_global_state(OTAState state, float progress, uint8_t error, OTAComponent *component) = 0;
-};
-
-/** Global callback that aggregates OTA state from all OTA components.
- *
- * OTA components call notify_ota_state() directly with their pointer,
- * which forwards the event to all registered global listeners.
- */
+#ifdef USE_OTA_STATE_CALLBACK
 class OTAGlobalCallback {
  public:
-  void add_global_state_listener(OTAGlobalStateListener *listener) { this->global_listeners_.push_back(listener); }
-
-  void notify_ota_state(OTAState state, float progress, uint8_t error, OTAComponent *component) {
-    for (auto *listener : this->global_listeners_) {
-      listener->on_ota_global_state(state, progress, error, component);
-    }
+  void register_ota(OTAComponent *ota_caller) {
+    ota_caller->add_on_state_callback([this, ota_caller](OTAState state, float progress, uint8_t error) {
+      this->state_callback_.call(state, progress, error, ota_caller);
+    });
+  }
+  void add_on_state_callback(std::function<void(OTAState, float, uint8_t, OTAComponent *)> &&callback) {
+    this->state_callback_.add(std::move(callback));
   }
 
  protected:
-  std::vector<OTAGlobalStateListener *> global_listeners_;
+  CallbackManager<void(OTAState, float, uint8_t, OTAComponent *)> state_callback_{};
 };
 
 OTAGlobalCallback *get_global_ota_callback();
+void register_ota_platform(OTAComponent *ota_caller);
 
 // OTA implementations should use:
-// - notify_state_() when already in main loop (e.g., esphome OTA)
-// - notify_state_deferred_() when in separate task (e.g., web_server OTA)
-// This ensures proper listener execution in all contexts.
+// - state_callback_.call() when already in main loop (e.g., esphome OTA)
+// - state_callback_.call_deferred() when in separate task (e.g., web_server OTA)
+// This ensures proper callback execution in all contexts.
 #endif
 std::unique_ptr<ota::OTABackend> make_ota_backend();
 

esphome/components/packet_transport/__init__.py

@@ -176,17 +176,22 @@ async def register_packet_transport(var, config):
         if encryption := provider.get(CONF_ENCRYPTION):
             cg.add(var.set_provider_encryption(name, hash_encryption_key(encryption)))
 
+    is_provider = False
     for sens_conf in config.get(CONF_SENSORS, ()):
+        is_provider = True
         sens_id = sens_conf[CONF_ID]
         sensor = await cg.get_variable(sens_id)
         bcst_id = sens_conf.get(CONF_BROADCAST_ID, sens_id.id)
         cg.add(var.add_sensor(bcst_id, sensor))
     for sens_conf in config.get(CONF_BINARY_SENSORS, ()):
+        is_provider = True
         sens_id = sens_conf[CONF_ID]
         sensor = await cg.get_variable(sens_id)
         bcst_id = sens_conf.get(CONF_BROADCAST_ID, sens_id.id)
         cg.add(var.add_binary_sensor(bcst_id, sensor))
 
+    if is_provider:
+        cg.add(var.set_is_provider(True))
     if encryption := config.get(CONF_ENCRYPTION):
         cg.add(var.set_encryption_key(hash_encryption_key(encryption)))
     return providers

esphome/components/packet_transport/packet_transport.cpp

@@ -263,6 +263,7 @@ void PacketTransport::flush_() {
     xxtea::encrypt((uint32_t *) (encode_buffer.data() + header_len), len / 4,
                    (uint32_t *) this->encryption_key_.data());
   }
+  ESP_LOGVV(TAG, "Sending packet %s", format_hex_pretty(encode_buffer.data(), encode_buffer.size()).c_str());
   this->send_packet(encode_buffer);
 }
 
@@ -316,6 +317,9 @@ void PacketTransport::send_data_(bool all) {
 }
 
 void PacketTransport::update() {
+  // resend all sensors if required
+  if (this->is_provider_)
+    this->send_data_(true);
   if (!this->ping_pong_enable_) {
     return;
   }
@@ -551,7 +555,7 @@ void PacketTransport::loop() {
   if (this->resend_ping_key_)
     this->send_ping_pong_request_();
   if (this->updated_) {
-    this->send_data_(this->resend_data_);
+    this->send_data_(false);
   }
 }
 

esphome/components/packet_transport/packet_transport.h

@@ -91,6 +91,7 @@ class PacketTransport : public PollingComponent {
     }
   }
 
+  void set_is_provider(bool is_provider) { this->is_provider_ = is_provider; }
   void set_encryption_key(std::vector<uint8_t> key) { this->encryption_key_ = std::move(key); }
   void set_rolling_code_enable(bool enable) { this->rolling_code_enable_ = enable; }
   void set_ping_pong_enable(bool enable) { this->ping_pong_enable_ = enable; }
@@ -129,7 +130,7 @@ class PacketTransport : public PollingComponent {
   uint32_t ping_pong_recyle_time_{};
   uint32_t last_key_time_{};
   bool resend_ping_key_{};
-  bool resend_data_{};
+  bool is_provider_{};
   const char *name_{};
   ESPPreferenceObject pref_{};
 

esphome/components/pm1006/sensor.py

@@ -7,10 +7,10 @@ from esphome.const import (
     CONF_UPDATE_INTERVAL,
     DEVICE_CLASS_PM25,
     ICON_BLUR,
+    SCHEDULER_DONT_RUN,
     STATE_CLASS_MEASUREMENT,
     UNIT_MICROGRAMS_PER_CUBIC_METER,
 )
-from esphome.core import TimePeriodMilliseconds
 
 CODEOWNERS = ["@habbie"]
 DEPENDENCIES = ["uart"]
@@ -41,16 +41,12 @@ CONFIG_SCHEMA = cv.All(
 
 
 def validate_interval_uart(config):
-    require_tx = False
-
     interval = config.get(CONF_UPDATE_INTERVAL)
-
-    if isinstance(interval, TimePeriodMilliseconds):
-        # 'never' is encoded as a very large int, not as a TimePeriodMilliseconds objects
-        require_tx = True
-
     uart.final_validate_device_schema(
-        "pm1006", baud_rate=9600, require_rx=True, require_tx=require_tx
+        "pm1006",
+        baud_rate=9600,
+        require_rx=True,
+        require_tx=interval.total_milliseconds != SCHEDULER_DONT_RUN,
     )(config)
 
 

esphome/components/remote_base/abbwelcome_protocol.h

@@ -232,10 +232,10 @@ template<typename... Ts> class ABBWelcomeAction : public RemoteTransmitterAction
     data.set_message_id(this->message_id_.value(x...));
     data.auto_message_id = this->auto_message_id_.value(x...);
     std::vector<uint8_t> data_vec;
-    if (this->len_ >= 0) {
+    if (this->len_ > 0) {
       // Static mode: copy from flash to vector
       data_vec.assign(this->data_.data, this->data_.data + this->len_);
-    } else {
+    } else if (this->len_ < 0) {
       // Template mode: call function
       data_vec = this->data_.func(x...);
     }
@@ -245,7 +245,7 @@ template<typename... Ts> class ABBWelcomeAction : public RemoteTransmitterAction
   }
 
  protected:
-  ssize_t len_{-1};  // -1 = template mode, >=0 = static mode with length
+  ssize_t len_{0};  // <0 = template mode, >=0 = static mode with length
   union Data {
     std::vector<uint8_t> (*func)(Ts...);  // Function pointer (stateless lambdas)
     const uint8_t *data;                  // Pointer to static data in flash

esphome/components/select/select.h

@@ -77,21 +77,23 @@ class Select : public EntityBase {
 
   void add_on_state_callback(std::function<void(std::string, size_t)> &&callback);
 
-  /** Set the value of the select by index, this is an optional virtual method.
-   *
-   * This method is called by the SelectCall when the index is already known.
-   * Default implementation converts to string and calls control().
-   * Override this to work directly with indices and avoid string conversions.
-   *
-   * @param index The index as validated by the SelectCall.
-   */
-  virtual void control(size_t index) { this->control(this->option_at(index)); }
-
  protected:
   friend class SelectCall;
 
   size_t active_index_{0};
 
+  /** Set the value of the select by index, this is an optional virtual method.
+   *
+   * IMPORTANT: At least ONE of the two control() methods must be overridden by derived classes.
+   * Overriding this index-based version is PREFERRED as it avoids string conversions.
+   *
+   * This method is called by the SelectCall when the index is already known.
+   * Default implementation converts to string and calls control(const std::string&).
+   *
+   * @param index The index as validated by the SelectCall.
+   */
+  virtual void control(size_t index) { this->control(this->option_at(index)); }
+
   /** Set the value of the select, this is a virtual method that each select integration can implement.
    *
    * IMPORTANT: At least ONE of the two control() methods must be overridden by derived classes.

esphome/components/sensor/sensor.cpp

@@ -76,9 +76,9 @@ StateClass Sensor::get_state_class() {
 
 void Sensor::publish_state(float state) {
   this->raw_state = state;
-
-  // Call raw callbacks (before filters)
-  this->callbacks_.call_first(this->raw_count_, state);
+  if (this->raw_callback_) {
+    this->raw_callback_->call(state);
+  }
 
   ESP_LOGV(TAG, "'%s': Received new state %f", this->name_.c_str(), state);
 
@@ -89,12 +89,12 @@ void Sensor::publish_state(float state) {
   }
 }
 
-void Sensor::add_on_state_callback(std::function<void(float)> &&callback) {
-  this->callbacks_.add_second(std::move(callback));
-}
-
+void Sensor::add_on_state_callback(std::function<void(float)> &&callback) { this->callback_.add(std::move(callback)); }
 void Sensor::add_on_raw_state_callback(std::function<void(float)> &&callback) {
-  this->callbacks_.add_first(std::move(callback), &this->raw_count_);
+  if (!this->raw_callback_) {
+    this->raw_callback_ = make_unique<CallbackManager<void(float)>>();
+  }
+  this->raw_callback_->add(std::move(callback));
 }
 
 void Sensor::add_filter(Filter *filter) {
@@ -134,10 +134,7 @@ void Sensor::internal_send_state_to_frontend(float state) {
   this->state = state;
   ESP_LOGD(TAG, "'%s': Sending state %.5f %s with %d decimals of accuracy", this->get_name().c_str(), state,
            this->get_unit_of_measurement_ref().c_str(), this->get_accuracy_decimals());
-
-  // Call filtered callbacks (after filters)
-  this->callbacks_.call_second(this->raw_count_, state);
-
+  this->callback_.call(state);
 #if defined(USE_SENSOR) && defined(USE_CONTROLLER_REGISTRY)
   ControllerRegistry::notify_sensor_update(this);
 #endif

esphome/components/sensor/sensor.h

@@ -125,7 +125,8 @@ class Sensor : public EntityBase, public EntityBase_DeviceClass, public EntityBa
   void internal_send_state_to_frontend(float state);
 
  protected:
-  PartitionedCallbackManager<void(float)> callbacks_;
+  std::unique_ptr<CallbackManager<void(float)>> raw_callback_;  ///< Storage for raw state callbacks (lazy allocated).
+  CallbackManager<void(float)> callback_;                       ///< Storage for filtered state callbacks.
 
   Filter *filter_list_{nullptr};  ///< Store all active filters.
 
@@ -140,8 +141,6 @@ class Sensor : public EntityBase, public EntityBase_DeviceClass, public EntityBa
     uint8_t force_update : 1;
     uint8_t reserved : 5;  // Reserved for future use
   } sensor_flags_{};
-
-  uint8_t raw_count_{0};  ///< Number of raw callbacks (partition point in callbacks_ vector)
 };
 
 }  // namespace sensor

esphome/components/sha256/__init__.py

@@ -12,8 +12,6 @@ CONFIG_SCHEMA = cv.Schema({})
 
 
 async def to_code(config: ConfigType) -> None:
-    cg.add_define("USE_SHA256")
-
     # Add OpenSSL library for host platform
     if not CORE.is_host:
         return

esphome/components/socket/lwip_raw_tcp_impl.cpp

@@ -188,7 +188,7 @@ class LWIPRawImpl : public Socket {
       errno = EINVAL;
       return -1;
     }
-    return this->ip2sockaddr_(&pcb_->local_ip, pcb_->local_port, name, addrlen);
+    return this->ip2sockaddr_(&pcb_->remote_ip, pcb_->remote_port, name, addrlen);
   }
   std::string getpeername() override {
     if (pcb_ == nullptr) {

esphome/components/speaker/media_player/__init__.py

@@ -6,7 +6,7 @@ from pathlib import Path
 
 from esphome import automation, external_files
 import esphome.codegen as cg
-from esphome.components import audio, esp32, media_player, network, ota, psram, speaker
+from esphome.components import audio, esp32, media_player, network, psram, speaker
 import esphome.config_validation as cv
 from esphome.const import (
     CONF_BUFFER_SIZE,
@@ -342,7 +342,7 @@ async def to_code(config):
     var = await media_player.new_media_player(config)
     await cg.register_component(var, config)
 
-    ota.request_ota_state_listeners()
+    cg.add_define("USE_OTA_STATE_CALLBACK")
 
     cg.add(var.set_buffer_size(config[CONF_BUFFER_SIZE]))
 

esphome/components/speaker/media_player/speaker_media_player.cpp

@@ -66,8 +66,25 @@ void SpeakerMediaPlayer::setup() {
     this->set_mute_state_(false);
   }
 
-#ifdef USE_OTA_STATE_LISTENER
-  ota::get_global_ota_callback()->add_global_state_listener(this);
+#ifdef USE_OTA
+  ota::get_global_ota_callback()->add_on_state_callback(
+      [this](ota::OTAState state, float progress, uint8_t error, ota::OTAComponent *comp) {
+        if (state == ota::OTA_STARTED) {
+          if (this->media_pipeline_ != nullptr) {
+            this->media_pipeline_->suspend_tasks();
+          }
+          if (this->announcement_pipeline_ != nullptr) {
+            this->announcement_pipeline_->suspend_tasks();
+          }
+        } else if (state == ota::OTA_ERROR) {
+          if (this->media_pipeline_ != nullptr) {
+            this->media_pipeline_->resume_tasks();
+          }
+          if (this->announcement_pipeline_ != nullptr) {
+            this->announcement_pipeline_->resume_tasks();
+          }
+        }
+      });
 #endif
 
   this->announcement_pipeline_ =
@@ -283,27 +300,6 @@ void SpeakerMediaPlayer::watch_media_commands_() {
   }
 }
 
-#ifdef USE_OTA_STATE_LISTENER
-void SpeakerMediaPlayer::on_ota_global_state(ota::OTAState state, float progress, uint8_t error,
-                                             ota::OTAComponent *comp) {
-  if (state == ota::OTA_STARTED) {
-    if (this->media_pipeline_ != nullptr) {
-      this->media_pipeline_->suspend_tasks();
-    }
-    if (this->announcement_pipeline_ != nullptr) {
-      this->announcement_pipeline_->suspend_tasks();
-    }
-  } else if (state == ota::OTA_ERROR) {
-    if (this->media_pipeline_ != nullptr) {
-      this->media_pipeline_->resume_tasks();
-    }
-    if (this->announcement_pipeline_ != nullptr) {
-      this->announcement_pipeline_->resume_tasks();
-    }
-  }
-}
-#endif
-
 void SpeakerMediaPlayer::loop() {
   this->watch_media_commands_();
 

esphome/components/speaker/media_player/speaker_media_player.h

@@ -5,18 +5,14 @@
 #include "audio_pipeline.h"
 
 #include "esphome/components/audio/audio.h"
+
 #include "esphome/components/media_player/media_player.h"
 #include "esphome/components/speaker/speaker.h"
 
 #include "esphome/core/automation.h"
 #include "esphome/core/component.h"
-#include "esphome/core/defines.h"
 #include "esphome/core/preferences.h"
 
-#ifdef USE_OTA_STATE_LISTENER
-#include "esphome/components/ota/ota_backend.h"
-#endif
-
 #include <deque>
 #include <freertos/FreeRTOS.h>
 #include <freertos/queue.h>
@@ -43,22 +39,12 @@ struct VolumeRestoreState {
   bool is_muted;
 };
 
-class SpeakerMediaPlayer : public Component,
-                           public media_player::MediaPlayer
-#ifdef USE_OTA_STATE_LISTENER
-    ,
-                           public ota::OTAGlobalStateListener
-#endif
-{
+class SpeakerMediaPlayer : public Component, public media_player::MediaPlayer {
  public:
   float get_setup_priority() const override { return esphome::setup_priority::PROCESSOR; }
   void setup() override;
   void loop() override;
 
-#ifdef USE_OTA_STATE_LISTENER
-  void on_ota_global_state(ota::OTAState state, float progress, uint8_t error, ota::OTAComponent *comp) override;
-#endif
-
   // MediaPlayer implementations
   media_player::MediaPlayerTraits get_traits() override;
   bool is_muted() const override { return this->is_muted_; }

esphome/components/speed/fan/__init__.py

@@ -25,7 +25,7 @@ CONFIG_SCHEMA = (
             cv.Optional(CONF_SPEED): cv.invalid(
                 "Configuring individual speeds is deprecated."
             ),
-            cv.Optional(CONF_SPEED_COUNT, default=100): cv.int_range(min=1, max=255),
+            cv.Optional(CONF_SPEED_COUNT, default=100): cv.int_range(min=1),
             cv.Optional(CONF_PRESET_MODES): validate_preset_modes,
         }
     )

esphome/components/speed/fan/speed_fan.h

@@ -10,7 +10,7 @@ namespace speed {
 
 class SpeedFan : public Component, public fan::Fan {
  public:
-  SpeedFan(uint8_t speed_count) : speed_count_(speed_count) {}
+  SpeedFan(int speed_count) : speed_count_(speed_count) {}
   void setup() override;
   void dump_config() override;
   void set_output(output::FloatOutput *output) { this->output_ = output; }
@@ -26,7 +26,7 @@ class SpeedFan : public Component, public fan::Fan {
   output::FloatOutput *output_;
   output::BinaryOutput *oscillating_{nullptr};
   output::BinaryOutput *direction_{nullptr};
-  uint8_t speed_count_{};
+  int speed_count_{};
   fan::FanTraits traits_;
   std::vector<const char *> preset_modes_{};
 };

esphome/components/sx126x/__init__.py

@@ -1,6 +1,7 @@
 from esphome import automation, pins
 import esphome.codegen as cg
 from esphome.components import spi
+from esphome.components.const import CONF_CRC_ENABLE, CONF_ON_PACKET
 import esphome.config_validation as cv
 from esphome.const import CONF_BUSY_PIN, CONF_DATA, CONF_FREQUENCY, CONF_ID
 from esphome.core import ID, TimePeriod
@@ -14,7 +15,6 @@ CONF_SX126X_ID = "sx126x_id"
 CONF_BANDWIDTH = "bandwidth"
 CONF_BITRATE = "bitrate"
 CONF_CODING_RATE = "coding_rate"
-CONF_CRC_ENABLE = "crc_enable"
 CONF_CRC_INVERTED = "crc_inverted"
 CONF_CRC_SIZE = "crc_size"
 CONF_CRC_POLYNOMIAL = "crc_polynomial"
@@ -23,7 +23,6 @@ CONF_DEVIATION = "deviation"
 CONF_DIO1_PIN = "dio1_pin"
 CONF_HW_VERSION = "hw_version"
 CONF_MODULATION = "modulation"
-CONF_ON_PACKET = "on_packet"
 CONF_PA_POWER = "pa_power"
 CONF_PA_RAMP = "pa_ramp"
 CONF_PAYLOAD_LENGTH = "payload_length"

esphome/components/sx126x/packet_transport/sx126x_transport.cpp

@@ -12,12 +12,6 @@ void SX126xTransport::setup() {
   this->parent_->register_listener(this);
 }
 
-void SX126xTransport::update() {
-  PacketTransport::update();
-  this->updated_ = true;
-  this->resend_data_ = true;
-}
-
 void SX126xTransport::send_packet(const std::vector<uint8_t> &buf) const { this->parent_->transmit_packet(buf); }
 
 void SX126xTransport::on_packet(const std::vector<uint8_t> &packet, float rssi, float snr) { this->process_(packet); }

esphome/components/sx126x/packet_transport/sx126x_transport.h

@@ -11,7 +11,6 @@ namespace sx126x {
 class SX126xTransport : public packet_transport::PacketTransport, public Parented<SX126x>, public SX126xListener {
  public:
   void setup() override;
-  void update() override;
   void on_packet(const std::vector<uint8_t> &packet, float rssi, float snr) override;
   float get_setup_priority() const override { return setup_priority::AFTER_WIFI; }
 

esphome/components/sx127x/__init__.py

@@ -1,6 +1,7 @@
 from esphome import automation, pins
 import esphome.codegen as cg
 from esphome.components import spi
+from esphome.components.const import CONF_CRC_ENABLE, CONF_ON_PACKET
 import esphome.config_validation as cv
 from esphome.const import CONF_DATA, CONF_FREQUENCY, CONF_ID
 from esphome.core import ID
@@ -16,11 +17,9 @@ CONF_BANDWIDTH = "bandwidth"
 CONF_BITRATE = "bitrate"
 CONF_BITSYNC = "bitsync"
 CONF_CODING_RATE = "coding_rate"
-CONF_CRC_ENABLE = "crc_enable"
 CONF_DEVIATION = "deviation"
 CONF_DIO0_PIN = "dio0_pin"
 CONF_MODULATION = "modulation"
-CONF_ON_PACKET = "on_packet"
 CONF_PA_PIN = "pa_pin"
 CONF_PA_POWER = "pa_power"
 CONF_PA_RAMP = "pa_ramp"

esphome/components/sx127x/packet_transport/sx127x_transport.cpp

@@ -12,12 +12,6 @@ void SX127xTransport::setup() {
   this->parent_->register_listener(this);
 }
 
-void SX127xTransport::update() {
-  PacketTransport::update();
-  this->updated_ = true;
-  this->resend_data_ = true;
-}
-
 void SX127xTransport::send_packet(const std::vector<uint8_t> &buf) const { this->parent_->transmit_packet(buf); }
 
 void SX127xTransport::on_packet(const std::vector<uint8_t> &packet, float rssi, float snr) { this->process_(packet); }

esphome/components/sx127x/packet_transport/sx127x_transport.h

@@ -11,7 +11,6 @@ namespace sx127x {
 class SX127xTransport : public packet_transport::PacketTransport, public Parented<SX127x>, public SX127xListener {
  public:
   void setup() override;
-  void update() override;
   void on_packet(const std::vector<uint8_t> &packet, float rssi, float snr) override;
   float get_setup_priority() const override { return setup_priority::AFTER_WIFI; }
 

esphome/components/template/alarm_control_panel/template_alarm_control_panel.h

@@ -39,6 +39,7 @@ enum TemplateAlarmControlPanelRestoreMode {
   ALARM_CONTROL_PANEL_RESTORE_DEFAULT_DISARMED,
 };
 
+#ifdef USE_BINARY_SENSOR
 struct SensorDataStore {
   bool last_chime_state;
 };
@@ -49,7 +50,6 @@ struct SensorInfo {
   uint8_t store_index;
 };
 
-#ifdef USE_BINARY_SENSOR
 struct AlarmSensor {
   binary_sensor::BinarySensor *sensor;
   SensorInfo info;
@@ -139,6 +139,9 @@ class TemplateAlarmControlPanel final : public alarm_control_panel::AlarmControl
   FixedVector<AlarmSensor> sensors_;
   // a list of automatically bypassed sensors
   std::vector<uint8_t> bypassed_sensor_indicies_;
+  // Per sensor data store
+  std::vector<SensorDataStore> sensor_data_;
+  uint8_t next_store_index_ = 0;
 #endif
   TemplateAlarmControlPanelRestoreMode restore_mode_{};
 
@@ -154,14 +157,11 @@ class TemplateAlarmControlPanel final : public alarm_control_panel::AlarmControl
   uint32_t trigger_time_;
   // a list of codes
   std::vector<std::string> codes_;
-  // Per sensor data store
-  std::vector<SensorDataStore> sensor_data_;
   // requires a code to arm
   bool requires_code_to_arm_ = false;
   bool supports_arm_home_ = false;
   bool supports_arm_night_ = false;
   bool sensors_ready_ = false;
-  uint8_t next_store_index_ = 0;
   // check if the code is valid
   bool is_code_valid_(optional<std::string> code);
 

esphome/components/template/fan/__init__.py

@@ -19,7 +19,7 @@ CONFIG_SCHEMA = (
         {
             cv.Optional(CONF_HAS_DIRECTION, default=False): cv.boolean,
             cv.Optional(CONF_HAS_OSCILLATING, default=False): cv.boolean,
-            cv.Optional(CONF_SPEED_COUNT): cv.int_range(min=1, max=255),
+            cv.Optional(CONF_SPEED_COUNT): cv.int_range(min=1),
             cv.Optional(CONF_PRESET_MODES): validate_preset_modes,
         }
     )

esphome/components/template/fan/template_fan.h

@@ -12,7 +12,7 @@ class TemplateFan final : public Component, public fan::Fan {
   void dump_config() override;
   void set_has_direction(bool has_direction) { this->has_direction_ = has_direction; }
   void set_has_oscillating(bool has_oscillating) { this->has_oscillating_ = has_oscillating; }
-  void set_speed_count(uint8_t count) { this->speed_count_ = count; }
+  void set_speed_count(int count) { this->speed_count_ = count; }
   void set_preset_modes(std::initializer_list<const char *> presets) { this->preset_modes_ = presets; }
   fan::FanTraits get_traits() override { return this->traits_; }
 
@@ -21,7 +21,7 @@ class TemplateFan final : public Component, public fan::Fan {
 
   bool has_oscillating_{false};
   bool has_direction_{false};
-  uint8_t speed_count_{0};
+  int speed_count_{0};
   fan::FanTraits traits_;
   std::vector<const char *> preset_modes_{};
 };

esphome/components/text_sensor/text_sensor.cpp

@@ -30,9 +30,9 @@ void TextSensor::publish_state(const std::string &state) {
 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
   this->raw_state = state;
 #pragma GCC diagnostic pop
-
-  // Call raw callbacks (before filters)
-  this->callbacks_.call_first(this->raw_count_, state);
+  if (this->raw_callback_) {
+    this->raw_callback_->call(state);
+  }
 
   ESP_LOGV(TAG, "'%s': Received new state %s", this->name_.c_str(), state.c_str());
 
@@ -74,11 +74,13 @@ void TextSensor::clear_filters() {
 }
 
 void TextSensor::add_on_state_callback(std::function<void(std::string)> callback) {
-  this->callbacks_.add_second(std::move(callback));
+  this->callback_.add(std::move(callback));
 }
-
 void TextSensor::add_on_raw_state_callback(std::function<void(std::string)> callback) {
-  this->callbacks_.add_first(std::move(callback), &this->raw_count_);
+  if (!this->raw_callback_) {
+    this->raw_callback_ = make_unique<CallbackManager<void(std::string)>>();
+  }
+  this->raw_callback_->add(std::move(callback));
 }
 
 std::string TextSensor::get_state() const { return this->state; }
@@ -93,10 +95,7 @@ void TextSensor::internal_send_state_to_frontend(const std::string &state) {
   this->state = state;
   this->set_has_state(true);
   ESP_LOGD(TAG, "'%s': Sending state '%s'", this->name_.c_str(), state.c_str());
-
-  // Call filtered callbacks (after filters)
-  this->callbacks_.call_second(this->raw_count_, state);
-
+  this->callback_.call(state);
 #if defined(USE_TEXT_SENSOR) && defined(USE_CONTROLLER_REGISTRY)
   ControllerRegistry::notify_text_sensor_update(this);
 #endif

esphome/components/text_sensor/text_sensor.h

@@ -65,11 +65,11 @@ class TextSensor : public EntityBase, public EntityBase_DeviceClass {
   void internal_send_state_to_frontend(const std::string &state);
 
  protected:
-  PartitionedCallbackManager<void(std::string)> callbacks_;
+  std::unique_ptr<CallbackManager<void(std::string)>>
+      raw_callback_;                             ///< Storage for raw state callbacks (lazy allocated).
+  CallbackManager<void(std::string)> callback_;  ///< Storage for filtered state callbacks.
 
   Filter *filter_list_{nullptr};  ///< Store all active filters.
-
-  uint8_t raw_count_{0};  ///< Number of raw callbacks (partition point in callbacks_ vector)
 };
 
 }  // namespace text_sensor

esphome/components/tuya/fan/__init__.py

@@ -22,7 +22,7 @@ CONFIG_SCHEMA = cv.All(
             cv.Optional(CONF_SPEED_DATAPOINT): cv.uint8_t,
             cv.Optional(CONF_SWITCH_DATAPOINT): cv.uint8_t,
             cv.Optional(CONF_DIRECTION_DATAPOINT): cv.uint8_t,
-            cv.Optional(CONF_SPEED_COUNT, default=3): cv.int_range(min=1, max=255),
+            cv.Optional(CONF_SPEED_COUNT, default=3): cv.int_range(min=1, max=256),
         }
     )
     .extend(cv.COMPONENT_SCHEMA),

esphome/components/tuya/fan/tuya_fan.h

@@ -9,7 +9,7 @@ namespace tuya {
 
 class TuyaFan : public Component, public fan::Fan {
  public:
-  TuyaFan(Tuya *parent, uint8_t speed_count) : parent_(parent), speed_count_(speed_count) {}
+  TuyaFan(Tuya *parent, int speed_count) : parent_(parent), speed_count_(speed_count) {}
   void setup() override;
   void dump_config() override;
   void set_speed_id(uint8_t speed_id) { this->speed_id_ = speed_id; }
@@ -27,7 +27,7 @@ class TuyaFan : public Component, public fan::Fan {
   optional<uint8_t> switch_id_{};
   optional<uint8_t> oscillation_id_{};
   optional<uint8_t> direction_id_{};
-  uint8_t speed_count_{};
+  int speed_count_{};
   TuyaDatapointType speed_type_{};
   TuyaDatapointType oscillation_type_{};
 };

esphome/components/uart/packet_transport/uart_transport.cpp

@@ -55,12 +55,6 @@ void UARTTransport::loop() {
   }
 }
 
-void UARTTransport::update() {
-  this->updated_ = true;
-  this->resend_data_ = true;
-  PacketTransport::update();
-}
-
 /**
  * Write a byte to the UART bus. If the byte is a flag or control byte, it will be escaped.
  * @param byte The byte to write.

esphome/components/uart/packet_transport/uart_transport.h

@@ -23,7 +23,6 @@ static const uint8_t CONTROL_BYTE = 0x7D;
 class UARTTransport : public packet_transport::PacketTransport, public UARTDevice {
  public:
   void loop() override;
-  void update() override;
   float get_setup_priority() const override { return setup_priority::PROCESSOR; }
 
  protected:

esphome/components/uart/uart_component_esp_idf.cpp

@@ -9,6 +9,7 @@
 #include "esphome/core/gpio.h"
 #include "driver/gpio.h"
 #include "soc/gpio_num.h"
+#include "soc/uart_pins.h"
 
 #ifdef USE_LOGGER
 #include "esphome/components/logger/logger.h"
@@ -139,6 +140,22 @@ void IDFUARTComponent::load_settings(bool dump_config) {
     return;
   }
 
+  int8_t tx = this->tx_pin_ != nullptr ? this->tx_pin_->get_pin() : -1;
+  int8_t rx = this->rx_pin_ != nullptr ? this->rx_pin_->get_pin() : -1;
+  int8_t flow_control = this->flow_control_pin_ != nullptr ? this->flow_control_pin_->get_pin() : -1;
+
+  // Workaround for ESP-IDF issue: https://github.com/espressif/esp-idf/issues/17459
+  // Commit 9ed617fb17 removed gpio_func_sel() calls from uart_set_pin(), which breaks
+  // UART on default UART0 pins that may have residual state from boot console.
+  // Reset these pins before configuring UART to ensure they're in a clean state.
+  if (tx == U0TXD_GPIO_NUM || tx == U0RXD_GPIO_NUM) {
+    gpio_reset_pin(static_cast<gpio_num_t>(tx));
+  }
+  if (rx == U0TXD_GPIO_NUM || rx == U0RXD_GPIO_NUM) {
+    gpio_reset_pin(static_cast<gpio_num_t>(rx));
+  }
+
+  // Setup pins after reset to preserve open drain/pullup/pulldown flags
   auto setup_pin_if_needed = [](InternalGPIOPin *pin) {
     if (!pin) {
       return;
@@ -154,10 +171,6 @@ void IDFUARTComponent::load_settings(bool dump_config) {
     setup_pin_if_needed(this->tx_pin_);
   }
 
-  int8_t tx = this->tx_pin_ != nullptr ? this->tx_pin_->get_pin() : -1;
-  int8_t rx = this->rx_pin_ != nullptr ? this->rx_pin_->get_pin() : -1;
-  int8_t flow_control = this->flow_control_pin_ != nullptr ? this->flow_control_pin_->get_pin() : -1;
-
   uint32_t invert = 0;
   if (this->tx_pin_ != nullptr && this->tx_pin_->is_inverted()) {
     invert |= UART_SIGNAL_TXD_INV;

esphome/components/udp/packet_transport/udp_transport.cpp

@@ -8,29 +8,14 @@ namespace udp {
 
 static const char *const TAG = "udp_transport";
 
-bool UDPTransport::should_send() { return this->should_broadcast_ && network::is_connected(); }
+bool UDPTransport::should_send() { return network::is_connected(); }
 void UDPTransport::setup() {
   PacketTransport::setup();
-  this->should_broadcast_ = this->ping_pong_enable_;
-#ifdef USE_SENSOR
-  this->should_broadcast_ |= !this->sensors_.empty();
-#endif
-#ifdef USE_BINARY_SENSOR
-  this->should_broadcast_ |= !this->binary_sensors_.empty();
-#endif
-  if (this->should_broadcast_)
-    this->parent_->set_should_broadcast();
   if (!this->providers_.empty() || this->is_encrypted_()) {
     this->parent_->add_listener([this](std::vector<uint8_t> &buf) { this->process_(buf); });
   }
 }
 
-void UDPTransport::update() {
-  PacketTransport::update();
-  this->updated_ = true;
-  this->resend_data_ = this->should_broadcast_;
-}
-
 void UDPTransport::send_packet(const std::vector<uint8_t> &buf) const { this->parent_->send_packet(buf); }
 }  // namespace udp
 }  // namespace esphome

esphome/components/udp/packet_transport/udp_transport.h

@@ -12,14 +12,12 @@ namespace udp {
 class UDPTransport : public packet_transport::PacketTransport, public Parented<UDPComponent> {
  public:
   void setup() override;
-  void update() override;
 
   float get_setup_priority() const override { return setup_priority::AFTER_WIFI; }
 
  protected:
   void send_packet(const std::vector<uint8_t> &buf) const override;
   bool should_send() override;
-  bool should_broadcast_{false};
   size_t get_max_packet_size() override { return MAX_PACKET_SIZE; }
 };
 

esphome/components/web_server/ota/ota_web_server.cpp

@@ -84,9 +84,9 @@ void OTARequestHandler::report_ota_progress_(AsyncWebServerRequest *request) {
     } else {
       ESP_LOGD(TAG, "OTA in progress: %" PRIu32 " bytes read", this->ota_read_length_);
     }
-#ifdef USE_OTA_STATE_LISTENER
-    // Report progress - use notify_state_deferred_ since we're in web server task
-    this->parent_->notify_state_deferred_(ota::OTA_IN_PROGRESS, percentage, 0);
+#ifdef USE_OTA_STATE_CALLBACK
+    // Report progress - use call_deferred since we're in web server task
+    this->parent_->state_callback_.call_deferred(ota::OTA_IN_PROGRESS, percentage, 0);
 #endif
     this->last_ota_progress_ = now;
   }
@@ -114,9 +114,9 @@ void OTARequestHandler::handleUpload(AsyncWebServerRequest *request, const Platf
     // Initialize OTA on first call
     this->ota_init_(filename.c_str());
 
-#ifdef USE_OTA_STATE_LISTENER
-    // Notify OTA started - use notify_state_deferred_ since we're in web server task
-    this->parent_->notify_state_deferred_(ota::OTA_STARTED, 0.0f, 0);
+#ifdef USE_OTA_STATE_CALLBACK
+    // Notify OTA started - use call_deferred since we're in web server task
+    this->parent_->state_callback_.call_deferred(ota::OTA_STARTED, 0.0f, 0);
 #endif
 
     // Platform-specific pre-initialization
@@ -134,9 +134,9 @@ void OTARequestHandler::handleUpload(AsyncWebServerRequest *request, const Platf
     this->ota_backend_ = ota::make_ota_backend();
     if (!this->ota_backend_) {
       ESP_LOGE(TAG, "Failed to create OTA backend");
-#ifdef USE_OTA_STATE_LISTENER
-      this->parent_->notify_state_deferred_(ota::OTA_ERROR, 0.0f,
-                                            static_cast<uint8_t>(ota::OTA_RESPONSE_ERROR_UNKNOWN));
+#ifdef USE_OTA_STATE_CALLBACK
+      this->parent_->state_callback_.call_deferred(ota::OTA_ERROR, 0.0f,
+                                                   static_cast<uint8_t>(ota::OTA_RESPONSE_ERROR_UNKNOWN));
 #endif
       return;
     }
@@ -148,8 +148,8 @@ void OTARequestHandler::handleUpload(AsyncWebServerRequest *request, const Platf
     if (error_code != ota::OTA_RESPONSE_OK) {
       ESP_LOGE(TAG, "OTA begin failed: %d", error_code);
       this->ota_backend_.reset();
-#ifdef USE_OTA_STATE_LISTENER
-      this->parent_->notify_state_deferred_(ota::OTA_ERROR, 0.0f, static_cast<uint8_t>(error_code));
+#ifdef USE_OTA_STATE_CALLBACK
+      this->parent_->state_callback_.call_deferred(ota::OTA_ERROR, 0.0f, static_cast<uint8_t>(error_code));
 #endif
       return;
     }
@@ -166,8 +166,8 @@ void OTARequestHandler::handleUpload(AsyncWebServerRequest *request, const Platf
       ESP_LOGE(TAG, "OTA write failed: %d", error_code);
       this->ota_backend_->abort();
       this->ota_backend_.reset();
-#ifdef USE_OTA_STATE_LISTENER
-      this->parent_->notify_state_deferred_(ota::OTA_ERROR, 0.0f, static_cast<uint8_t>(error_code));
+#ifdef USE_OTA_STATE_CALLBACK
+      this->parent_->state_callback_.call_deferred(ota::OTA_ERROR, 0.0f, static_cast<uint8_t>(error_code));
 #endif
       return;
     }
@@ -186,15 +186,15 @@ void OTARequestHandler::handleUpload(AsyncWebServerRequest *request, const Platf
     error_code = this->ota_backend_->end();
     if (error_code == ota::OTA_RESPONSE_OK) {
       this->ota_success_ = true;
-#ifdef USE_OTA_STATE_LISTENER
-      // Report completion before reboot - use notify_state_deferred_ since we're in web server task
-      this->parent_->notify_state_deferred_(ota::OTA_COMPLETED, 100.0f, 0);
+#ifdef USE_OTA_STATE_CALLBACK
+      // Report completion before reboot - use call_deferred since we're in web server task
+      this->parent_->state_callback_.call_deferred(ota::OTA_COMPLETED, 100.0f, 0);
 #endif
       this->schedule_ota_reboot_();
     } else {
       ESP_LOGE(TAG, "OTA end failed: %d", error_code);
-#ifdef USE_OTA_STATE_LISTENER
-      this->parent_->notify_state_deferred_(ota::OTA_ERROR, 0.0f, static_cast<uint8_t>(error_code));
+#ifdef USE_OTA_STATE_CALLBACK
+      this->parent_->state_callback_.call_deferred(ota::OTA_ERROR, 0.0f, static_cast<uint8_t>(error_code));
 #endif
     }
     this->ota_backend_.reset();
@@ -232,6 +232,10 @@ void WebServerOTAComponent::setup() {
 
   // AsyncWebServer takes ownership of the handler and will delete it when the server is destroyed
   base->add_handler(new OTARequestHandler(this));  // NOLINT
+#ifdef USE_OTA_STATE_CALLBACK
+  // Register with global OTA callback system
+  ota::register_ota_platform(this);
+#endif
 }
 
 void WebServerOTAComponent::dump_config() { ESP_LOGCONFIG(TAG, "Web Server OTA"); }

esphome/components/web_server_idf/web_server_idf.cpp

@@ -117,18 +117,6 @@ void AsyncWebServer::end() {
   }
 }
 
-void AsyncWebServer::set_lru_purge_enable(bool enable) {
-  if (this->lru_purge_enable_ == enable) {
-    return;  // No change needed
-  }
-  this->lru_purge_enable_ = enable;
-  // If server is already running, restart it with new config
-  if (this->server_) {
-    this->end();
-    this->begin();
-  }
-}
-
 void AsyncWebServer::begin() {
   if (this->server_) {
     this->end();
@@ -136,8 +124,11 @@ void AsyncWebServer::begin() {
   httpd_config_t config = HTTPD_DEFAULT_CONFIG();
   config.server_port = this->port_;
   config.uri_match_fn = [](const char * /*unused*/, const char * /*unused*/, size_t /*unused*/) { return true; };
-  // Enable LRU purging if requested (e.g., by captive portal to handle probe bursts)
-  config.lru_purge_enable = this->lru_purge_enable_;
+  // Always enable LRU purging to handle socket exhaustion gracefully.
+  // When max sockets is reached, the oldest connection is closed to make room for new ones.
+  // This prevents "httpd_accept_conn: error in accept (23)" errors.
+  // See: https://github.com/esphome/esphome/issues/12464
+  config.lru_purge_enable = true;
   // Use custom close function that shuts down before closing to prevent lwIP race conditions
   config.close_fn = AsyncWebServer::safe_close_with_shutdown;
   if (httpd_start(&this->server_, &config) == ESP_OK) {
@@ -393,9 +384,8 @@ void AsyncWebServerResponse::addHeader(const char *name, const char *value) {
 void AsyncResponseStream::print(float value) {
   // Use stack buffer to avoid temporary string allocation
   // Size: sign (1) + digits (10) + decimal (1) + precision (6) + exponent (5) + null (1) = 24, use 32 for safety
-  constexpr size_t float_buf_size = 32;
-  char buf[float_buf_size];
-  int len = snprintf(buf, float_buf_size, "%f", value);
+  char buf[32];
+  int len = snprintf(buf, sizeof(buf), "%f", value);
   this->content_.append(buf, len);
 }