Merge branch 'dev' into template_select_trigger

Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>
Co-authored-by: J. Nick Koston <nick@home-assistant.io>

.clang-tidy.hash

@@ -1 +1 @@
-d565b0589e35e692b5f2fc0c14723a99595b4828a3a3ef96c442e86a23176c00
+069fa9526c52f7c580a9ec17c7678d12f142221387e9b561c18f95394d4629a3

.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@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5.0.2
+      uses: actions/cache/restore@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
       with:
         path: venv
         # yamllint disable-line rule:line-length

.github/scripts/auto-label-pr/constants.js

@@ -0,0 +1,38 @@
+// Constants and markers for PR auto-labeling
+module.exports = {
+  BOT_COMMENT_MARKER: '<!-- auto-label-pr-bot -->',
+  CODEOWNERS_MARKER: '<!-- codeowners-request -->',
+  TOO_BIG_MARKER: '<!-- too-big-request -->',
+  DEPRECATED_COMPONENT_MARKER: '<!-- deprecated-component-request -->',
+
+  MANAGED_LABELS: [
+    'new-component',
+    'new-platform',
+    'new-target-platform',
+    'merging-to-release',
+    'merging-to-beta',
+    'chained-pr',
+    'core',
+    'small-pr',
+    'dashboard',
+    'github-actions',
+    'by-code-owner',
+    'has-tests',
+    'needs-tests',
+    'needs-docs',
+    'needs-codeowners',
+    'too-big',
+    'labeller-recheck',
+    'bugfix',
+    'new-feature',
+    'breaking-change',
+    'developer-breaking-change',
+    'code-quality',
+    'deprecated-component'
+  ],
+
+  DOCS_PR_PATTERNS: [
+    /https:\/\/github\.com\/esphome\/esphome-docs\/pull\/\d+/,
+    /esphome\/esphome-docs#\d+/
+  ]
+};

.github/scripts/auto-label-pr/detectors.js

@@ -0,0 +1,373 @@
+const fs = require('fs');
+const { DOCS_PR_PATTERNS } = require('./constants');
+
+// Strategy: Merge branch detection
+async function detectMergeBranch(context) {
+  const labels = new Set();
+  const baseRef = context.payload.pull_request.base.ref;
+
+  if (baseRef === 'release') {
+    labels.add('merging-to-release');
+  } else if (baseRef === 'beta') {
+    labels.add('merging-to-beta');
+  } else if (baseRef !== 'dev') {
+    labels.add('chained-pr');
+  }
+
+  return labels;
+}
+
+// Strategy: Component and platform labeling
+async function detectComponentPlatforms(changedFiles, apiData) {
+  const labels = new Set();
+  const componentRegex = /^esphome\/components\/([^\/]+)\//;
+  const targetPlatformRegex = new RegExp(`^esphome\/components\/(${apiData.targetPlatforms.join('|')})/`);
+
+  for (const file of changedFiles) {
+    const componentMatch = file.match(componentRegex);
+    if (componentMatch) {
+      labels.add(`component: ${componentMatch[1]}`);
+    }
+
+    const platformMatch = file.match(targetPlatformRegex);
+    if (platformMatch) {
+      labels.add(`platform: ${platformMatch[1]}`);
+    }
+  }
+
+  return labels;
+}
+
+// Strategy: New component detection
+async function detectNewComponents(prFiles) {
+  const labels = new Set();
+  const addedFiles = prFiles.filter(file => file.status === 'added').map(file => file.filename);
+
+  for (const file of addedFiles) {
+    const componentMatch = file.match(/^esphome\/components\/([^\/]+)\/__init__\.py$/);
+    if (componentMatch) {
+      try {
+        const content = fs.readFileSync(file, 'utf8');
+        if (content.includes('IS_TARGET_PLATFORM = True')) {
+          labels.add('new-target-platform');
+        }
+      } catch (error) {
+        console.log(`Failed to read content of ${file}:`, error.message);
+      }
+      labels.add('new-component');
+    }
+  }
+
+  return labels;
+}
+
+// Strategy: New platform detection
+async function detectNewPlatforms(prFiles, apiData) {
+  const labels = new Set();
+  const addedFiles = prFiles.filter(file => file.status === 'added').map(file => file.filename);
+
+  for (const file of addedFiles) {
+    const platformFileMatch = file.match(/^esphome\/components\/([^\/]+)\/([^\/]+)\.py$/);
+    if (platformFileMatch) {
+      const [, component, platform] = platformFileMatch;
+      if (apiData.platformComponents.includes(platform)) {
+        labels.add('new-platform');
+      }
+    }
+
+    const platformDirMatch = file.match(/^esphome\/components\/([^\/]+)\/([^\/]+)\/__init__\.py$/);
+    if (platformDirMatch) {
+      const [, component, platform] = platformDirMatch;
+      if (apiData.platformComponents.includes(platform)) {
+        labels.add('new-platform');
+      }
+    }
+  }
+
+  return labels;
+}
+
+// Strategy: Core files detection
+async function detectCoreChanges(changedFiles) {
+  const labels = new Set();
+  const coreFiles = changedFiles.filter(file =>
+    file.startsWith('esphome/core/') ||
+    (file.startsWith('esphome/') && file.split('/').length === 2)
+  );
+
+  if (coreFiles.length > 0) {
+    labels.add('core');
+  }
+
+  return labels;
+}
+
+// Strategy: PR size detection
+async function detectPRSize(prFiles, totalAdditions, totalDeletions, totalChanges, isMegaPR, SMALL_PR_THRESHOLD, TOO_BIG_THRESHOLD) {
+  const labels = new Set();
+
+  if (totalChanges <= SMALL_PR_THRESHOLD) {
+    labels.add('small-pr');
+    return labels;
+  }
+
+  const testAdditions = prFiles
+    .filter(file => file.filename.startsWith('tests/'))
+    .reduce((sum, file) => sum + (file.additions || 0), 0);
+  const testDeletions = prFiles
+    .filter(file => file.filename.startsWith('tests/'))
+    .reduce((sum, file) => sum + (file.deletions || 0), 0);
+
+  const nonTestChanges = (totalAdditions - testAdditions) - (totalDeletions - testDeletions);
+
+  // Don't add too-big if mega-pr label is already present
+  if (nonTestChanges > TOO_BIG_THRESHOLD && !isMegaPR) {
+    labels.add('too-big');
+  }
+
+  return labels;
+}
+
+// Strategy: Dashboard changes
+async function detectDashboardChanges(changedFiles) {
+  const labels = new Set();
+  const dashboardFiles = changedFiles.filter(file =>
+    file.startsWith('esphome/dashboard/') ||
+    file.startsWith('esphome/components/dashboard_import/')
+  );
+
+  if (dashboardFiles.length > 0) {
+    labels.add('dashboard');
+  }
+
+  return labels;
+}
+
+// Strategy: GitHub Actions changes
+async function detectGitHubActionsChanges(changedFiles) {
+  const labels = new Set();
+  const githubActionsFiles = changedFiles.filter(file =>
+    file.startsWith('.github/workflows/')
+  );
+
+  if (githubActionsFiles.length > 0) {
+    labels.add('github-actions');
+  }
+
+  return labels;
+}
+
+// Strategy: Code owner detection
+async function detectCodeOwner(github, context, changedFiles) {
+  const labels = new Set();
+  const { owner, repo } = context.repo;
+
+  try {
+    const { data: codeownersFile } = await github.rest.repos.getContent({
+      owner,
+      repo,
+      path: 'CODEOWNERS',
+    });
+
+    const codeownersContent = Buffer.from(codeownersFile.content, 'base64').toString('utf8');
+    const prAuthor = context.payload.pull_request.user.login;
+
+    const codeownersLines = codeownersContent.split('\n')
+      .map(line => line.trim())
+      .filter(line => line && !line.startsWith('#'));
+
+    const codeownersRegexes = codeownersLines.map(line => {
+      const parts = line.split(/\s+/);
+      const pattern = parts[0];
+      const owners = parts.slice(1);
+
+      let regex;
+      if (pattern.endsWith('*')) {
+        const dir = pattern.slice(0, -1);
+        regex = new RegExp(`^${dir.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')}`);
+      } else if (pattern.includes('*')) {
+        // First escape all regex special chars except *, then replace * with .*
+        const regexPattern = pattern
+          .replace(/[.+?^${}()|[\]\\]/g, '\\$&')
+          .replace(/\*/g, '.*');
+        regex = new RegExp(`^${regexPattern}$`);
+      } else {
+        regex = new RegExp(`^${pattern.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')}$`);
+      }
+
+      return { regex, owners };
+    });
+
+    for (const file of changedFiles) {
+      for (const { regex, owners } of codeownersRegexes) {
+        if (regex.test(file) && owners.some(owner => owner === `@${prAuthor}`)) {
+          labels.add('by-code-owner');
+          return labels;
+        }
+      }
+    }
+  } catch (error) {
+    console.log('Failed to read or parse CODEOWNERS file:', error.message);
+  }
+
+  return labels;
+}
+
+// Strategy: Test detection
+async function detectTests(changedFiles) {
+  const labels = new Set();
+  const testFiles = changedFiles.filter(file => file.startsWith('tests/'));
+
+  if (testFiles.length > 0) {
+    labels.add('has-tests');
+  }
+
+  return labels;
+}
+
+// Strategy: PR Template Checkbox detection
+async function detectPRTemplateCheckboxes(context) {
+  const labels = new Set();
+  const prBody = context.payload.pull_request.body || '';
+
+  console.log('Checking PR template checkboxes...');
+
+  // Check for checked checkboxes in the "Types of changes" section
+  const checkboxPatterns = [
+    { pattern: /- \[x\] Bugfix \(non-breaking change which fixes an issue\)/i, label: 'bugfix' },
+    { pattern: /- \[x\] New feature \(non-breaking change which adds functionality\)/i, label: 'new-feature' },
+    { pattern: /- \[x\] Breaking change \(fix or feature that would cause existing functionality to not work as expected\)/i, label: 'breaking-change' },
+    { pattern: /- \[x\] Developer breaking change \(an API change that could break external components\)/i, label: 'developer-breaking-change' },
+    { pattern: /- \[x\] Code quality improvements to existing code or addition of tests/i, label: 'code-quality' }
+  ];
+
+  for (const { pattern, label } of checkboxPatterns) {
+    if (pattern.test(prBody)) {
+      console.log(`Found checked checkbox for: ${label}`);
+      labels.add(label);
+    }
+  }
+
+  return labels;
+}
+
+// Strategy: Deprecated component detection
+async function detectDeprecatedComponents(github, context, changedFiles) {
+  const labels = new Set();
+  const deprecatedInfo = [];
+  const { owner, repo } = context.repo;
+
+  // Compile regex once for better performance
+  const componentFileRegex = /^esphome\/components\/([^\/]+)\//;
+
+  // Get files that are modified or added in components directory
+  const componentFiles = changedFiles.filter(file => componentFileRegex.test(file));
+
+  if (componentFiles.length === 0) {
+    return { labels, deprecatedInfo };
+  }
+
+  // Extract unique component names using the same regex
+  const components = new Set();
+  for (const file of componentFiles) {
+    const match = file.match(componentFileRegex);
+    if (match) {
+      components.add(match[1]);
+    }
+  }
+
+  // Get PR head to fetch files from the PR branch
+  const prNumber = context.payload.pull_request.number;
+
+  // Check each component's __init__.py for DEPRECATED_COMPONENT constant
+  for (const component of components) {
+    const initFile = `esphome/components/${component}/__init__.py`;
+    try {
+      // Fetch file content from PR head using GitHub API
+      const { data: fileData } = await github.rest.repos.getContent({
+        owner,
+        repo,
+        path: initFile,
+        ref: `refs/pull/${prNumber}/head`
+      });
+
+      // Decode base64 content
+      const content = Buffer.from(fileData.content, 'base64').toString('utf8');
+
+      // Look for DEPRECATED_COMPONENT = "message" or DEPRECATED_COMPONENT = 'message'
+      // Support single quotes, double quotes, and triple quotes (for multiline)
+      const doubleQuoteMatch = content.match(/DEPRECATED_COMPONENT\s*=\s*"""([\s\S]*?)"""/s) ||
+                              content.match(/DEPRECATED_COMPONENT\s*=\s*"((?:[^"\\]|\\.)*)"/);
+      const singleQuoteMatch = content.match(/DEPRECATED_COMPONENT\s*=\s*'''([\s\S]*?)'''/s) ||
+                              content.match(/DEPRECATED_COMPONENT\s*=\s*'((?:[^'\\]|\\.)*)'/);
+      const deprecatedMatch = doubleQuoteMatch || singleQuoteMatch;
+
+      if (deprecatedMatch) {
+        labels.add('deprecated-component');
+        deprecatedInfo.push({
+          component: component,
+          message: deprecatedMatch[1].trim()
+        });
+        console.log(`Found deprecated component: ${component}`);
+      }
+    } catch (error) {
+      // Only log if it's not a simple "file not found" error (404)
+      if (error.status !== 404) {
+        console.log(`Error reading ${initFile}:`, error.message);
+      }
+    }
+  }
+
+  return { labels, deprecatedInfo };
+}
+
+// Strategy: Requirements detection
+async function detectRequirements(allLabels, prFiles, context) {
+  const labels = new Set();
+
+  // Check for missing tests
+  if ((allLabels.has('new-component') || allLabels.has('new-platform') || allLabels.has('new-feature')) && !allLabels.has('has-tests')) {
+    labels.add('needs-tests');
+  }
+
+  // Check for missing docs
+  if (allLabels.has('new-component') || allLabels.has('new-platform') || allLabels.has('new-feature')) {
+    const prBody = context.payload.pull_request.body || '';
+    const hasDocsLink = DOCS_PR_PATTERNS.some(pattern => pattern.test(prBody));
+
+    if (!hasDocsLink) {
+      labels.add('needs-docs');
+    }
+  }
+
+  // Check for missing CODEOWNERS
+  if (allLabels.has('new-component')) {
+    const codeownersModified = prFiles.some(file =>
+      file.filename === 'CODEOWNERS' &&
+      (file.status === 'modified' || file.status === 'added') &&
+      (file.additions || 0) > 0
+    );
+
+    if (!codeownersModified) {
+      labels.add('needs-codeowners');
+    }
+  }
+
+  return labels;
+}
+
+module.exports = {
+  detectMergeBranch,
+  detectComponentPlatforms,
+  detectNewComponents,
+  detectNewPlatforms,
+  detectCoreChanges,
+  detectPRSize,
+  detectDashboardChanges,
+  detectGitHubActionsChanges,
+  detectCodeOwner,
+  detectTests,
+  detectPRTemplateCheckboxes,
+  detectDeprecatedComponents,
+  detectRequirements
+};

.github/scripts/auto-label-pr/index.js

@@ -0,0 +1,187 @@
+const { MANAGED_LABELS } = require('./constants');
+const {
+  detectMergeBranch,
+  detectComponentPlatforms,
+  detectNewComponents,
+  detectNewPlatforms,
+  detectCoreChanges,
+  detectPRSize,
+  detectDashboardChanges,
+  detectGitHubActionsChanges,
+  detectCodeOwner,
+  detectTests,
+  detectPRTemplateCheckboxes,
+  detectDeprecatedComponents,
+  detectRequirements
+} = require('./detectors');
+const { handleReviews } = require('./reviews');
+const { applyLabels, removeOldLabels } = require('./labels');
+
+// Fetch API data
+async function fetchApiData() {
+  try {
+    const response = await fetch('https://data.esphome.io/components.json');
+    const componentsData = await response.json();
+    return {
+      targetPlatforms: componentsData.target_platforms || [],
+      platformComponents: componentsData.platform_components || []
+    };
+  } catch (error) {
+    console.log('Failed to fetch components data from API:', error.message);
+    return { targetPlatforms: [], platformComponents: [] };
+  }
+}
+
+module.exports = async ({ github, context }) => {
+  // Environment variables
+  const SMALL_PR_THRESHOLD = parseInt(process.env.SMALL_PR_THRESHOLD);
+  const MAX_LABELS = parseInt(process.env.MAX_LABELS);
+  const TOO_BIG_THRESHOLD = parseInt(process.env.TOO_BIG_THRESHOLD);
+  const COMPONENT_LABEL_THRESHOLD = parseInt(process.env.COMPONENT_LABEL_THRESHOLD);
+
+  // Global state
+  const { owner, repo } = context.repo;
+  const pr_number = context.issue.number;
+
+  // Get current labels and PR data
+  const { data: currentLabelsData } = await github.rest.issues.listLabelsOnIssue({
+    owner,
+    repo,
+    issue_number: pr_number
+  });
+  const currentLabels = currentLabelsData.map(label => label.name);
+  const managedLabels = currentLabels.filter(label =>
+    label.startsWith('component: ') || MANAGED_LABELS.includes(label)
+  );
+
+  // Check for mega-PR early - if present, skip most automatic labeling
+  const isMegaPR = currentLabels.includes('mega-pr');
+
+  // Get all PR files with automatic pagination
+  const prFiles = await github.paginate(
+    github.rest.pulls.listFiles,
+    {
+      owner,
+      repo,
+      pull_number: pr_number
+    }
+  );
+
+  // Calculate data from PR files
+  const changedFiles = prFiles.map(file => file.filename);
+  const totalAdditions = prFiles.reduce((sum, file) => sum + (file.additions || 0), 0);
+  const totalDeletions = prFiles.reduce((sum, file) => sum + (file.deletions || 0), 0);
+  const totalChanges = totalAdditions + totalDeletions;
+
+  console.log('Current labels:', currentLabels.join(', '));
+  console.log('Changed files:', changedFiles.length);
+  console.log('Total changes:', totalChanges);
+  if (isMegaPR) {
+    console.log('Mega-PR detected - applying limited labeling logic');
+  }
+
+  // Fetch API data
+  const apiData = await fetchApiData();
+  const baseRef = context.payload.pull_request.base.ref;
+
+  // Early exit for release and beta branches only
+  if (baseRef === 'release' || baseRef === 'beta') {
+    const branchLabels = await detectMergeBranch(context);
+    const finalLabels = Array.from(branchLabels);
+
+    console.log('Computed labels (merge branch only):', finalLabels.join(', '));
+
+    // Apply labels
+    await applyLabels(github, context, finalLabels);
+
+    // Remove old managed labels
+    await removeOldLabels(github, context, managedLabels, finalLabels);
+
+    return;
+  }
+
+  // Run all strategies
+  const [
+    branchLabels,
+    componentLabels,
+    newComponentLabels,
+    newPlatformLabels,
+    coreLabels,
+    sizeLabels,
+    dashboardLabels,
+    actionsLabels,
+    codeOwnerLabels,
+    testLabels,
+    checkboxLabels,
+    deprecatedResult
+  ] = await Promise.all([
+    detectMergeBranch(context),
+    detectComponentPlatforms(changedFiles, apiData),
+    detectNewComponents(prFiles),
+    detectNewPlatforms(prFiles, apiData),
+    detectCoreChanges(changedFiles),
+    detectPRSize(prFiles, totalAdditions, totalDeletions, totalChanges, isMegaPR, SMALL_PR_THRESHOLD, TOO_BIG_THRESHOLD),
+    detectDashboardChanges(changedFiles),
+    detectGitHubActionsChanges(changedFiles),
+    detectCodeOwner(github, context, changedFiles),
+    detectTests(changedFiles),
+    detectPRTemplateCheckboxes(context),
+    detectDeprecatedComponents(github, context, changedFiles)
+  ]);
+
+  // Extract deprecated component info
+  const deprecatedLabels = deprecatedResult.labels;
+  const deprecatedInfo = deprecatedResult.deprecatedInfo;
+
+  // Combine all labels
+  const allLabels = new Set([
+    ...branchLabels,
+    ...componentLabels,
+    ...newComponentLabels,
+    ...newPlatformLabels,
+    ...coreLabels,
+    ...sizeLabels,
+    ...dashboardLabels,
+    ...actionsLabels,
+    ...codeOwnerLabels,
+    ...testLabels,
+    ...checkboxLabels,
+    ...deprecatedLabels
+  ]);
+
+  // Detect requirements based on all other labels
+  const requirementLabels = await detectRequirements(allLabels, prFiles, context);
+  for (const label of requirementLabels) {
+    allLabels.add(label);
+  }
+
+  let finalLabels = Array.from(allLabels);
+
+  // For mega-PRs, exclude component labels if there are too many
+  if (isMegaPR) {
+    const componentLabels = finalLabels.filter(label => label.startsWith('component: '));
+    if (componentLabels.length > COMPONENT_LABEL_THRESHOLD) {
+      finalLabels = finalLabels.filter(label => !label.startsWith('component: '));
+      console.log(`Mega-PR detected - excluding ${componentLabels.length} component labels (threshold: ${COMPONENT_LABEL_THRESHOLD})`);
+    }
+  }
+
+  // Handle too many labels (only for non-mega PRs)
+  const tooManyLabels = finalLabels.length > MAX_LABELS;
+  const originalLabelCount = finalLabels.length;
+
+  if (tooManyLabels && !isMegaPR && !finalLabels.includes('too-big')) {
+    finalLabels = ['too-big'];
+  }
+
+  console.log('Computed labels:', finalLabels.join(', '));
+
+  // Handle reviews
+  await handleReviews(github, context, finalLabels, originalLabelCount, deprecatedInfo, prFiles, totalAdditions, totalDeletions, MAX_LABELS, TOO_BIG_THRESHOLD);
+
+  // Apply labels
+  await applyLabels(github, context, finalLabels);
+
+  // Remove old managed labels
+  await removeOldLabels(github, context, managedLabels, finalLabels);
+};

.github/scripts/auto-label-pr/labels.js

@@ -0,0 +1,41 @@
+// Apply labels to PR
+async function applyLabels(github, context, finalLabels) {
+  const { owner, repo } = context.repo;
+  const pr_number = context.issue.number;
+
+  if (finalLabels.length > 0) {
+    console.log(`Adding labels: ${finalLabels.join(', ')}`);
+    await github.rest.issues.addLabels({
+      owner,
+      repo,
+      issue_number: pr_number,
+      labels: finalLabels
+    });
+  }
+}
+
+// Remove old managed labels
+async function removeOldLabels(github, context, managedLabels, finalLabels) {
+  const { owner, repo } = context.repo;
+  const pr_number = context.issue.number;
+
+  const labelsToRemove = managedLabels.filter(label => !finalLabels.includes(label));
+  for (const label of labelsToRemove) {
+    console.log(`Removing label: ${label}`);
+    try {
+      await github.rest.issues.removeLabel({
+        owner,
+        repo,
+        issue_number: pr_number,
+        name: label
+      });
+    } catch (error) {
+      console.log(`Failed to remove label ${label}:`, error.message);
+    }
+  }
+}
+
+module.exports = {
+  applyLabels,
+  removeOldLabels
+};

.github/scripts/auto-label-pr/reviews.js

@@ -0,0 +1,141 @@
+const {
+  BOT_COMMENT_MARKER,
+  CODEOWNERS_MARKER,
+  TOO_BIG_MARKER,
+  DEPRECATED_COMPONENT_MARKER
+} = require('./constants');
+
+// Generate review messages
+function generateReviewMessages(finalLabels, originalLabelCount, deprecatedInfo, prFiles, totalAdditions, totalDeletions, prAuthor, MAX_LABELS, TOO_BIG_THRESHOLD) {
+  const messages = [];
+
+  // Deprecated component message
+  if (finalLabels.includes('deprecated-component') && deprecatedInfo && deprecatedInfo.length > 0) {
+    let message = `${DEPRECATED_COMPONENT_MARKER}\n### ⚠️ Deprecated Component\n\n`;
+    message += `Hey there @${prAuthor},\n`;
+    message += `This PR modifies one or more deprecated components. Please be aware:\n\n`;
+
+    for (const info of deprecatedInfo) {
+      message += `#### Component: \`${info.component}\`\n`;
+      message += `${info.message}\n\n`;
+    }
+
+    message += `Consider migrating to the recommended alternative if applicable.`;
+
+    messages.push(message);
+  }
+
+  // Too big message
+  if (finalLabels.includes('too-big')) {
+    const testAdditions = prFiles
+      .filter(file => file.filename.startsWith('tests/'))
+      .reduce((sum, file) => sum + (file.additions || 0), 0);
+    const testDeletions = prFiles
+      .filter(file => file.filename.startsWith('tests/'))
+      .reduce((sum, file) => sum + (file.deletions || 0), 0);
+    const nonTestChanges = (totalAdditions - testAdditions) - (totalDeletions - testDeletions);
+
+    const tooManyLabels = originalLabelCount > MAX_LABELS;
+    const tooManyChanges = nonTestChanges > TOO_BIG_THRESHOLD;
+
+    let message = `${TOO_BIG_MARKER}\n### 📦 Pull Request Size\n\n`;
+
+    if (tooManyLabels && tooManyChanges) {
+      message += `This PR is too large with ${nonTestChanges} line changes (excluding tests) and affects ${originalLabelCount} different components/areas.`;
+    } else if (tooManyLabels) {
+      message += `This PR affects ${originalLabelCount} different components/areas.`;
+    } else {
+      message += `This PR is too large with ${nonTestChanges} line changes (excluding tests).`;
+    }
+
+    message += ` Please consider breaking it down into smaller, focused PRs to make review easier and reduce the risk of conflicts.\n\n`;
+    message += `For guidance on breaking down large PRs, see: https://developers.esphome.io/contributing/submitting-your-work/#how-to-approach-large-submissions`;
+
+    messages.push(message);
+  }
+
+  // CODEOWNERS message
+  if (finalLabels.includes('needs-codeowners')) {
+    const message = `${CODEOWNERS_MARKER}\n### 👥 Code Ownership\n\n` +
+      `Hey there @${prAuthor},\n` +
+      `Thanks for submitting this pull request! Can you add yourself as a codeowner for this integration? ` +
+      `This way we can notify you if a bug report for this integration is reported.\n\n` +
+      `In \`__init__.py\` of the integration, please add:\n\n` +
+      `\`\`\`python\nCODEOWNERS = ["@${prAuthor}"]\n\`\`\`\n\n` +
+      `And run \`script/build_codeowners.py\``;
+
+    messages.push(message);
+  }
+
+  return messages;
+}
+
+// Handle reviews
+async function handleReviews(github, context, finalLabels, originalLabelCount, deprecatedInfo, prFiles, totalAdditions, totalDeletions, MAX_LABELS, TOO_BIG_THRESHOLD) {
+  const { owner, repo } = context.repo;
+  const pr_number = context.issue.number;
+  const prAuthor = context.payload.pull_request.user.login;
+
+  const reviewMessages = generateReviewMessages(finalLabels, originalLabelCount, deprecatedInfo, prFiles, totalAdditions, totalDeletions, prAuthor, MAX_LABELS, TOO_BIG_THRESHOLD);
+  const hasReviewableLabels = finalLabels.some(label =>
+    ['too-big', 'needs-codeowners', 'deprecated-component'].includes(label)
+  );
+
+  const { data: reviews } = await github.rest.pulls.listReviews({
+    owner,
+    repo,
+    pull_number: pr_number
+  });
+
+  const botReviews = reviews.filter(review =>
+    review.user.type === 'Bot' &&
+    review.state === 'CHANGES_REQUESTED' &&
+    review.body && review.body.includes(BOT_COMMENT_MARKER)
+  );
+
+  if (hasReviewableLabels) {
+    const reviewBody = `${BOT_COMMENT_MARKER}\n\n${reviewMessages.join('\n\n---\n\n')}`;
+
+    if (botReviews.length > 0) {
+      // Update existing review
+      await github.rest.pulls.updateReview({
+        owner,
+        repo,
+        pull_number: pr_number,
+        review_id: botReviews[0].id,
+        body: reviewBody
+      });
+      console.log('Updated existing bot review');
+    } else {
+      // Create new review
+      await github.rest.pulls.createReview({
+        owner,
+        repo,
+        pull_number: pr_number,
+        body: reviewBody,
+        event: 'REQUEST_CHANGES'
+      });
+      console.log('Created new bot review');
+    }
+  } else if (botReviews.length > 0) {
+    // Dismiss existing reviews
+    for (const review of botReviews) {
+      try {
+        await github.rest.pulls.dismissReview({
+          owner,
+          repo,
+          pull_number: pr_number,
+          review_id: review.id,
+          message: 'Review dismissed: All requirements have been met'
+        });
+        console.log(`Dismissed bot review ${review.id}`);
+      } catch (error) {
+        console.log(`Failed to dismiss review ${review.id}:`, error.message);
+      }
+    }
+  }
+}
+
+module.exports = {
+  handleReviews
+};

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

@@ -36,633 +36,5 @@ jobs:
         with:
           github-token: ${{ steps.generate-token.outputs.token }}
           script: |
-            const fs = require('fs');
+            const script = require('./.github/scripts/auto-label-pr/index.js');
-
+            await script({ github, context });
-            // Constants
-            const SMALL_PR_THRESHOLD = parseInt('${{ env.SMALL_PR_THRESHOLD }}');
-            const MAX_LABELS = parseInt('${{ env.MAX_LABELS }}');
-            const TOO_BIG_THRESHOLD = parseInt('${{ env.TOO_BIG_THRESHOLD }}');
-            const COMPONENT_LABEL_THRESHOLD = parseInt('${{ env.COMPONENT_LABEL_THRESHOLD }}');
-            const BOT_COMMENT_MARKER = '<!-- auto-label-pr-bot -->';
-            const CODEOWNERS_MARKER = '<!-- codeowners-request -->';
-            const TOO_BIG_MARKER = '<!-- too-big-request -->';
-
-            const MANAGED_LABELS = [
-              'new-component',
-              'new-platform',
-              'new-target-platform',
-              'merging-to-release',
-              'merging-to-beta',
-              'chained-pr',
-              'core',
-              'small-pr',
-              'dashboard',
-              'github-actions',
-              'by-code-owner',
-              'has-tests',
-              'needs-tests',
-              'needs-docs',
-              'needs-codeowners',
-              'too-big',
-              'labeller-recheck',
-              'bugfix',
-              'new-feature',
-              'breaking-change',
-              'developer-breaking-change',
-              'code-quality'
-            ];
-
-            const DOCS_PR_PATTERNS = [
-              /https:\/\/github\.com\/esphome\/esphome-docs\/pull\/\d+/,
-              /esphome\/esphome-docs#\d+/
-            ];
-
-            // Global state
-            const { owner, repo } = context.repo;
-            const pr_number = context.issue.number;
-
-            // Get current labels and PR data
-            const { data: currentLabelsData } = await github.rest.issues.listLabelsOnIssue({
-              owner,
-              repo,
-              issue_number: pr_number
-            });
-            const currentLabels = currentLabelsData.map(label => label.name);
-            const managedLabels = currentLabels.filter(label =>
-              label.startsWith('component: ') || MANAGED_LABELS.includes(label)
-            );
-
-            // Check for mega-PR early - if present, skip most automatic labeling
-            const isMegaPR = currentLabels.includes('mega-pr');
-
-            // Get all PR files with automatic pagination
-            const prFiles = await github.paginate(
-              github.rest.pulls.listFiles,
-              {
-                owner,
-                repo,
-                pull_number: pr_number
-              }
-            );
-
-            // Calculate data from PR files
-            const changedFiles = prFiles.map(file => file.filename);
-            const totalAdditions = prFiles.reduce((sum, file) => sum + (file.additions || 0), 0);
-            const totalDeletions = prFiles.reduce((sum, file) => sum + (file.deletions || 0), 0);
-            const totalChanges = totalAdditions + totalDeletions;
-
-            console.log('Current labels:', currentLabels.join(', '));
-            console.log('Changed files:', changedFiles.length);
-            console.log('Total changes:', totalChanges);
-            if (isMegaPR) {
-              console.log('Mega-PR detected - applying limited labeling logic');
-            }
-
-            // Fetch API data
-            async function fetchApiData() {
-              try {
-                const response = await fetch('https://data.esphome.io/components.json');
-                const componentsData = await response.json();
-                return {
-                  targetPlatforms: componentsData.target_platforms || [],
-                  platformComponents: componentsData.platform_components || []
-                };
-              } catch (error) {
-                console.log('Failed to fetch components data from API:', error.message);
-                return { targetPlatforms: [], platformComponents: [] };
-              }
-            }
-
-            // Strategy: Merge branch detection
-            async function detectMergeBranch() {
-              const labels = new Set();
-              const baseRef = context.payload.pull_request.base.ref;
-
-              if (baseRef === 'release') {
-                labels.add('merging-to-release');
-              } else if (baseRef === 'beta') {
-                labels.add('merging-to-beta');
-              } else if (baseRef !== 'dev') {
-                labels.add('chained-pr');
-              }
-
-              return labels;
-            }
-
-            // Strategy: Component and platform labeling
-            async function detectComponentPlatforms(apiData) {
-              const labels = new Set();
-              const componentRegex = /^esphome\/components\/([^\/]+)\//;
-              const targetPlatformRegex = new RegExp(`^esphome\/components\/(${apiData.targetPlatforms.join('|')})/`);
-
-              for (const file of changedFiles) {
-                const componentMatch = file.match(componentRegex);
-                if (componentMatch) {
-                  labels.add(`component: ${componentMatch[1]}`);
-                }
-
-                const platformMatch = file.match(targetPlatformRegex);
-                if (platformMatch) {
-                  labels.add(`platform: ${platformMatch[1]}`);
-                }
-              }
-
-              return labels;
-            }
-
-            // Strategy: New component detection
-            async function detectNewComponents() {
-              const labels = new Set();
-              const addedFiles = prFiles.filter(file => file.status === 'added').map(file => file.filename);
-
-              for (const file of addedFiles) {
-                const componentMatch = file.match(/^esphome\/components\/([^\/]+)\/__init__\.py$/);
-                if (componentMatch) {
-                  try {
-                    const content = fs.readFileSync(file, 'utf8');
-                    if (content.includes('IS_TARGET_PLATFORM = True')) {
-                      labels.add('new-target-platform');
-                    }
-                  } catch (error) {
-                    console.log(`Failed to read content of ${file}:`, error.message);
-                  }
-                  labels.add('new-component');
-                }
-              }
-
-              return labels;
-            }
-
-            // Strategy: New platform detection
-            async function detectNewPlatforms(apiData) {
-              const labels = new Set();
-              const addedFiles = prFiles.filter(file => file.status === 'added').map(file => file.filename);
-
-              for (const file of addedFiles) {
-                const platformFileMatch = file.match(/^esphome\/components\/([^\/]+)\/([^\/]+)\.py$/);
-                if (platformFileMatch) {
-                  const [, component, platform] = platformFileMatch;
-                  if (apiData.platformComponents.includes(platform)) {
-                    labels.add('new-platform');
-                  }
-                }
-
-                const platformDirMatch = file.match(/^esphome\/components\/([^\/]+)\/([^\/]+)\/__init__\.py$/);
-                if (platformDirMatch) {
-                  const [, component, platform] = platformDirMatch;
-                  if (apiData.platformComponents.includes(platform)) {
-                    labels.add('new-platform');
-                  }
-                }
-              }
-
-              return labels;
-            }
-
-            // Strategy: Core files detection
-            async function detectCoreChanges() {
-              const labels = new Set();
-              const coreFiles = changedFiles.filter(file =>
-                file.startsWith('esphome/core/') ||
-                (file.startsWith('esphome/') && file.split('/').length === 2)
-              );
-
-              if (coreFiles.length > 0) {
-                labels.add('core');
-              }
-
-              return labels;
-            }
-
-            // Strategy: PR size detection
-            async function detectPRSize() {
-              const labels = new Set();
-
-              if (totalChanges <= SMALL_PR_THRESHOLD) {
-                labels.add('small-pr');
-                return labels;
-              }
-
-              const testAdditions = prFiles
-                .filter(file => file.filename.startsWith('tests/'))
-                .reduce((sum, file) => sum + (file.additions || 0), 0);
-              const testDeletions = prFiles
-                .filter(file => file.filename.startsWith('tests/'))
-                .reduce((sum, file) => sum + (file.deletions || 0), 0);
-
-              const nonTestChanges = (totalAdditions - testAdditions) - (totalDeletions - testDeletions);
-
-              // Don't add too-big if mega-pr label is already present
-              if (nonTestChanges > TOO_BIG_THRESHOLD && !isMegaPR) {
-                labels.add('too-big');
-              }
-
-              return labels;
-            }
-
-            // Strategy: Dashboard changes
-            async function detectDashboardChanges() {
-              const labels = new Set();
-              const dashboardFiles = changedFiles.filter(file =>
-                file.startsWith('esphome/dashboard/') ||
-                file.startsWith('esphome/components/dashboard_import/')
-              );
-
-              if (dashboardFiles.length > 0) {
-                labels.add('dashboard');
-              }
-
-              return labels;
-            }
-
-            // Strategy: GitHub Actions changes
-            async function detectGitHubActionsChanges() {
-              const labels = new Set();
-              const githubActionsFiles = changedFiles.filter(file =>
-                file.startsWith('.github/workflows/')
-              );
-
-              if (githubActionsFiles.length > 0) {
-                labels.add('github-actions');
-              }
-
-              return labels;
-            }
-
-            // Strategy: Code owner detection
-            async function detectCodeOwner() {
-              const labels = new Set();
-
-              try {
-                const { data: codeownersFile } = await github.rest.repos.getContent({
-                  owner,
-                  repo,
-                  path: 'CODEOWNERS',
-                });
-
-                const codeownersContent = Buffer.from(codeownersFile.content, 'base64').toString('utf8');
-                const prAuthor = context.payload.pull_request.user.login;
-
-                const codeownersLines = codeownersContent.split('\n')
-                  .map(line => line.trim())
-                  .filter(line => line && !line.startsWith('#'));
-
-                const codeownersRegexes = codeownersLines.map(line => {
-                  const parts = line.split(/\s+/);
-                  const pattern = parts[0];
-                  const owners = parts.slice(1);
-
-                  let regex;
-                  if (pattern.endsWith('*')) {
-                    const dir = pattern.slice(0, -1);
-                    regex = new RegExp(`^${dir.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')}`);
-                  } else if (pattern.includes('*')) {
-                    // First escape all regex special chars except *, then replace * with .*
-                    const regexPattern = pattern
-                      .replace(/[.+?^${}()|[\]\\]/g, '\\$&')
-                      .replace(/\*/g, '.*');
-                    regex = new RegExp(`^${regexPattern}$`);
-                  } else {
-                    regex = new RegExp(`^${pattern.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')}$`);
-                  }
-
-                  return { regex, owners };
-                });
-
-                for (const file of changedFiles) {
-                  for (const { regex, owners } of codeownersRegexes) {
-                    if (regex.test(file) && owners.some(owner => owner === `@${prAuthor}`)) {
-                      labels.add('by-code-owner');
-                      return labels;
-                    }
-                  }
-                }
-              } catch (error) {
-                console.log('Failed to read or parse CODEOWNERS file:', error.message);
-              }
-
-              return labels;
-            }
-
-            // Strategy: Test detection
-            async function detectTests() {
-              const labels = new Set();
-              const testFiles = changedFiles.filter(file => file.startsWith('tests/'));
-
-              if (testFiles.length > 0) {
-                labels.add('has-tests');
-              }
-
-              return labels;
-            }
-
-            // Strategy: PR Template Checkbox detection
-            async function detectPRTemplateCheckboxes() {
-              const labels = new Set();
-              const prBody = context.payload.pull_request.body || '';
-
-              console.log('Checking PR template checkboxes...');
-
-              // Check for checked checkboxes in the "Types of changes" section
-              const checkboxPatterns = [
-                { pattern: /- \[x\] Bugfix \(non-breaking change which fixes an issue\)/i, label: 'bugfix' },
-                { pattern: /- \[x\] New feature \(non-breaking change which adds functionality\)/i, label: 'new-feature' },
-                { pattern: /- \[x\] Breaking change \(fix or feature that would cause existing functionality to not work as expected\)/i, label: 'breaking-change' },
-                { pattern: /- \[x\] Developer breaking change \(an API change that could break external components\)/i, label: 'developer-breaking-change' },
-                { pattern: /- \[x\] Code quality improvements to existing code or addition of tests/i, label: 'code-quality' }
-              ];
-
-              for (const { pattern, label } of checkboxPatterns) {
-                if (pattern.test(prBody)) {
-                  console.log(`Found checked checkbox for: ${label}`);
-                  labels.add(label);
-                }
-              }
-
-              return labels;
-            }
-
-            // Strategy: Requirements detection
-            async function detectRequirements(allLabels) {
-              const labels = new Set();
-
-              // Check for missing tests
-              if ((allLabels.has('new-component') || allLabels.has('new-platform') || allLabels.has('new-feature')) && !allLabels.has('has-tests')) {
-                labels.add('needs-tests');
-              }
-
-              // Check for missing docs
-              if (allLabels.has('new-component') || allLabels.has('new-platform') || allLabels.has('new-feature')) {
-                const prBody = context.payload.pull_request.body || '';
-                const hasDocsLink = DOCS_PR_PATTERNS.some(pattern => pattern.test(prBody));
-
-                if (!hasDocsLink) {
-                  labels.add('needs-docs');
-                }
-              }
-
-              // Check for missing CODEOWNERS
-              if (allLabels.has('new-component')) {
-                const codeownersModified = prFiles.some(file =>
-                  file.filename === 'CODEOWNERS' &&
-                  (file.status === 'modified' || file.status === 'added') &&
-                  (file.additions || 0) > 0
-                );
-
-                if (!codeownersModified) {
-                  labels.add('needs-codeowners');
-                }
-              }
-
-              return labels;
-            }
-
-            // Generate review messages
-            function generateReviewMessages(finalLabels, originalLabelCount) {
-              const messages = [];
-              const prAuthor = context.payload.pull_request.user.login;
-
-              // Too big message
-              if (finalLabels.includes('too-big')) {
-                const testAdditions = prFiles
-                  .filter(file => file.filename.startsWith('tests/'))
-                  .reduce((sum, file) => sum + (file.additions || 0), 0);
-                const testDeletions = prFiles
-                  .filter(file => file.filename.startsWith('tests/'))
-                  .reduce((sum, file) => sum + (file.deletions || 0), 0);
-                const nonTestChanges = (totalAdditions - testAdditions) - (totalDeletions - testDeletions);
-
-                const tooManyLabels = originalLabelCount > MAX_LABELS;
-                const tooManyChanges = nonTestChanges > TOO_BIG_THRESHOLD;
-
-                let message = `${TOO_BIG_MARKER}\n### 📦 Pull Request Size\n\n`;
-
-                if (tooManyLabels && tooManyChanges) {
-                  message += `This PR is too large with ${nonTestChanges} line changes (excluding tests) and affects ${originalLabelCount} different components/areas.`;
-                } else if (tooManyLabels) {
-                  message += `This PR affects ${originalLabelCount} different components/areas.`;
-                } else {
-                  message += `This PR is too large with ${nonTestChanges} line changes (excluding tests).`;
-                }
-
-                message += ` Please consider breaking it down into smaller, focused PRs to make review easier and reduce the risk of conflicts.\n\n`;
-                message += `For guidance on breaking down large PRs, see: https://developers.esphome.io/contributing/submitting-your-work/#how-to-approach-large-submissions`;
-
-                messages.push(message);
-              }
-
-              // CODEOWNERS message
-              if (finalLabels.includes('needs-codeowners')) {
-                const message = `${CODEOWNERS_MARKER}\n### 👥 Code Ownership\n\n` +
-                  `Hey there @${prAuthor},\n` +
-                  `Thanks for submitting this pull request! Can you add yourself as a codeowner for this integration? ` +
-                  `This way we can notify you if a bug report for this integration is reported.\n\n` +
-                  `In \`__init__.py\` of the integration, please add:\n\n` +
-                  `\`\`\`python\nCODEOWNERS = ["@${prAuthor}"]\n\`\`\`\n\n` +
-                  `And run \`script/build_codeowners.py\``;
-
-                messages.push(message);
-              }
-
-              return messages;
-            }
-
-            // Handle reviews
-            async function handleReviews(finalLabels, originalLabelCount) {
-              const reviewMessages = generateReviewMessages(finalLabels, originalLabelCount);
-              const hasReviewableLabels = finalLabels.some(label =>
-                ['too-big', 'needs-codeowners'].includes(label)
-              );
-
-              const { data: reviews } = await github.rest.pulls.listReviews({
-                owner,
-                repo,
-                pull_number: pr_number
-              });
-
-              const botReviews = reviews.filter(review =>
-                review.user.type === 'Bot' &&
-                review.state === 'CHANGES_REQUESTED' &&
-                review.body && review.body.includes(BOT_COMMENT_MARKER)
-              );
-
-              if (hasReviewableLabels) {
-                const reviewBody = `${BOT_COMMENT_MARKER}\n\n${reviewMessages.join('\n\n---\n\n')}`;
-
-                if (botReviews.length > 0) {
-                  // Update existing review
-                  await github.rest.pulls.updateReview({
-                    owner,
-                    repo,
-                    pull_number: pr_number,
-                    review_id: botReviews[0].id,
-                    body: reviewBody
-                  });
-                  console.log('Updated existing bot review');
-                } else {
-                  // Create new review
-                  await github.rest.pulls.createReview({
-                    owner,
-                    repo,
-                    pull_number: pr_number,
-                    body: reviewBody,
-                    event: 'REQUEST_CHANGES'
-                  });
-                  console.log('Created new bot review');
-                }
-              } else if (botReviews.length > 0) {
-                // Dismiss existing reviews
-                for (const review of botReviews) {
-                  try {
-                    await github.rest.pulls.dismissReview({
-                      owner,
-                      repo,
-                      pull_number: pr_number,
-                      review_id: review.id,
-                      message: 'Review dismissed: All requirements have been met'
-                    });
-                    console.log(`Dismissed bot review ${review.id}`);
-                  } catch (error) {
-                    console.log(`Failed to dismiss review ${review.id}:`, error.message);
-                  }
-                }
-              }
-            }
-
-            // Main execution
-            const apiData = await fetchApiData();
-            const baseRef = context.payload.pull_request.base.ref;
-
-            // Early exit for release and beta branches only
-            if (baseRef === 'release' || baseRef === 'beta') {
-              const branchLabels = await detectMergeBranch();
-              const finalLabels = Array.from(branchLabels);
-
-              console.log('Computed labels (merge branch only):', finalLabels.join(', '));
-
-              // Apply labels
-              if (finalLabels.length > 0) {
-                await github.rest.issues.addLabels({
-                  owner,
-                  repo,
-                  issue_number: pr_number,
-                  labels: finalLabels
-                });
-              }
-
-              // Remove old managed labels
-              const labelsToRemove = managedLabels.filter(label => !finalLabels.includes(label));
-              for (const label of labelsToRemove) {
-                try {
-                  await github.rest.issues.removeLabel({
-                    owner,
-                    repo,
-                    issue_number: pr_number,
-                    name: label
-                  });
-                } catch (error) {
-                  console.log(`Failed to remove label ${label}:`, error.message);
-                }
-              }
-
-              return;
-            }
-
-            // Run all strategies
-            const [
-              branchLabels,
-              componentLabels,
-              newComponentLabels,
-              newPlatformLabels,
-              coreLabels,
-              sizeLabels,
-              dashboardLabels,
-              actionsLabels,
-              codeOwnerLabels,
-              testLabels,
-              checkboxLabels
-            ] = await Promise.all([
-              detectMergeBranch(),
-              detectComponentPlatforms(apiData),
-              detectNewComponents(),
-              detectNewPlatforms(apiData),
-              detectCoreChanges(),
-              detectPRSize(),
-              detectDashboardChanges(),
-              detectGitHubActionsChanges(),
-              detectCodeOwner(),
-              detectTests(),
-              detectPRTemplateCheckboxes()
-            ]);
-
-            // Combine all labels
-            const allLabels = new Set([
-              ...branchLabels,
-              ...componentLabels,
-              ...newComponentLabels,
-              ...newPlatformLabels,
-              ...coreLabels,
-              ...sizeLabels,
-              ...dashboardLabels,
-              ...actionsLabels,
-              ...codeOwnerLabels,
-              ...testLabels,
-              ...checkboxLabels
-            ]);
-
-            // Detect requirements based on all other labels
-            const requirementLabels = await detectRequirements(allLabels);
-            for (const label of requirementLabels) {
-              allLabels.add(label);
-            }
-
-            let finalLabels = Array.from(allLabels);
-
-            // For mega-PRs, exclude component labels if there are too many
-            if (isMegaPR) {
-              const componentLabels = finalLabels.filter(label => label.startsWith('component: '));
-              if (componentLabels.length > COMPONENT_LABEL_THRESHOLD) {
-                finalLabels = finalLabels.filter(label => !label.startsWith('component: '));
-                console.log(`Mega-PR detected - excluding ${componentLabels.length} component labels (threshold: ${COMPONENT_LABEL_THRESHOLD})`);
-              }
-            }
-
-            // Handle too many labels (only for non-mega PRs)
-            const tooManyLabels = finalLabels.length > MAX_LABELS;
-            const originalLabelCount = finalLabels.length;
-
-            if (tooManyLabels && !isMegaPR && !finalLabels.includes('too-big')) {
-              finalLabels = ['too-big'];
-            }
-
-            console.log('Computed labels:', finalLabels.join(', '));
-
-            // Handle reviews
-            await handleReviews(finalLabels, originalLabelCount);
-
-            // Apply labels
-            if (finalLabels.length > 0) {
-              console.log(`Adding labels: ${finalLabels.join(', ')}`);
-              await github.rest.issues.addLabels({
-                owner,
-                repo,
-                issue_number: pr_number,
-                labels: finalLabels
-              });
-            }
-
-            // Remove old managed labels
-            const labelsToRemove = managedLabels.filter(label => !finalLabels.includes(label));
-            for (const label of labelsToRemove) {
-              console.log(`Removing label: ${label}`);
-              try {
-                await github.rest.issues.removeLabel({
-                  owner,
-                  repo,
-                  issue_number: pr_number,
-                  name: label
-                });
-              } catch (error) {
-                console.log(`Failed to remove label ${label}:`, error.message);
-              }
-            }

.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@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5.0.2
+        uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
         with:
           path: venv
           # yamllint disable-line rule:line-length
@@ -157,7 +157,7 @@ jobs:
           token: ${{ secrets.CODECOV_TOKEN }}
       - name: Save Python virtual environment cache
         if: github.ref == 'refs/heads/dev'
-        uses: actions/cache/save@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5.0.2
+        uses: actions/cache/save@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
         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: ${{ needs.common.outputs.cache-key }}
       - name: Restore components graph cache
-        uses: actions/cache/restore@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5.0.2
+        uses: actions/cache/restore@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
         with:
           path: .temp/components_graph.json
           key: components-graph-${{ hashFiles('esphome/components/**/*.py') }}
@@ -223,7 +223,7 @@ jobs:
           echo "component-test-batches=$(echo "$output" | jq -c '.component_test_batches')" >> $GITHUB_OUTPUT
       - name: Save components graph cache
         if: github.ref == 'refs/heads/dev'
-        uses: actions/cache/save@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5.0.2
+        uses: actions/cache/save@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
         with:
           path: .temp/components_graph.json
           key: components-graph-${{ hashFiles('esphome/components/**/*.py') }}
@@ -245,7 +245,7 @@ jobs:
           python-version: "3.13"
       - name: Restore Python virtual environment
         id: cache-venv
-        uses: actions/cache@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5.0.2
+        uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
         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@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5.0.2
+        uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
         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@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5.0.2
+        uses: actions/cache/restore@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
         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@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5.0.2
+        uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
         with:
           path: ~/.platformio
           key: platformio-tidyesp32-${{ hashFiles('platformio.ini') }}
 
       - name: Cache platformio
         if: github.ref != 'refs/heads/dev'
-        uses: actions/cache/restore@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5.0.2
+        uses: actions/cache/restore@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
         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@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5.0.2
+        uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
         with:
           path: ~/.platformio
           key: platformio-tidyesp32-${{ hashFiles('platformio.ini') }}
 
       - name: Cache platformio
         if: github.ref != 'refs/heads/dev'
-        uses: actions/cache/restore@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5.0.2
+        uses: actions/cache/restore@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
         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@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5.0.2
+        uses: actions/cache/restore@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
         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@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5.0.2
+        uses: actions/cache/restore@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
         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@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5.0.2
+        uses: actions/cache/save@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
         with:
           path: memory-analysis-target.json
           key: ${{ steps.cache-key.outputs.cache-key }}
@@ -847,7 +847,7 @@ jobs:
           python-version: ${{ env.DEFAULT_PYTHON }}
           cache-key: ${{ needs.common.outputs.cache-key }}
       - name: Cache platformio
-        uses: actions/cache/restore@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5.0.2
+        uses: actions/cache/restore@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
         with:
           path: ~/.platformio
           key: platformio-memory-${{ fromJSON(needs.determine-jobs.outputs.memory_impact).platform }}-${{ hashFiles('platformio.ini') }}

.github/workflows/codeql.yml

@@ -58,7 +58,7 @@ jobs:
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@b20883b0cd1f46c72ae0ba6d1090936928f9fa30 # v4.32.0
+        uses: github/codeql-action/init@6bc82e05fd0ea64601dd4b465378bbcf57de0314 # v4.32.1
         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@b20883b0cd1f46c72ae0ba6d1090936928f9fa30 # v4.32.0
+        uses: github/codeql-action/analyze@6bc82e05fd0ea64601dd4b465378bbcf57de0314 # v4.32.1
         with:
           category: "/language:${{matrix.language}}"

.github/workflows/release.yml

@@ -102,12 +102,12 @@ jobs:
         uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0
 
       - name: Log in to docker hub
-        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
+        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
         with:
           username: ${{ secrets.DOCKER_USER }}
           password: ${{ secrets.DOCKER_PASSWORD }}
       - name: Log in to the GitHub container registry
-        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
+        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
@@ -182,13 +182,13 @@ jobs:
 
       - name: Log in to docker hub
         if: matrix.registry == 'dockerhub'
-        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
+        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
         with:
           username: ${{ secrets.DOCKER_USER }}
           password: ${{ secrets.DOCKER_PASSWORD }}
       - name: Log in to the GitHub container registry
         if: matrix.registry == 'ghcr'
-        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
+        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}

CODEOWNERS

@@ -104,6 +104,7 @@ esphome/components/cc1101/* @gabest11 @lygris
 esphome/components/ccs811/* @habbie
 esphome/components/cd74hc4067/* @asoehlke
 esphome/components/ch422g/* @clydebarrow @jesterret
+esphome/components/ch423/* @dwmw2
 esphome/components/chsc6x/* @kkosik20
 esphome/components/climate/* @esphome/core
 esphome/components/climate_ir/* @glmnet
@@ -133,6 +134,7 @@ esphome/components/dfplayer/* @glmnet
 esphome/components/dfrobot_sen0395/* @niklasweber
 esphome/components/dht/* @OttoWinter
 esphome/components/display_menu_base/* @numo68
+esphome/components/dlms_meter/* @SimonFischer04
 esphome/components/dps310/* @kbx81
 esphome/components/ds1307/* @badbadc0ffee
 esphome/components/ds2484/* @mrk-its

esphome/analyze_memory/cli.py

@@ -4,6 +4,8 @@ from __future__ import annotations
 
 from collections import defaultdict
 from collections.abc import Callable
+import heapq
+from operator import itemgetter
 import sys
 from typing import TYPE_CHECKING
 
@@ -29,6 +31,10 @@ class MemoryAnalyzerCLI(MemoryAnalyzer):
     )
     # Lower threshold for RAM symbols (RAM is more constrained)
     RAM_SYMBOL_SIZE_THRESHOLD: int = 24
+    # Number of top symbols to show in the largest symbols report
+    TOP_SYMBOLS_LIMIT: int = 30
+    # Width for symbol name display in top symbols report
+    COL_TOP_SYMBOL_NAME: int = 55
 
     # Column width constants
     COL_COMPONENT: int = 29
@@ -147,6 +153,37 @@ class MemoryAnalyzerCLI(MemoryAnalyzer):
             section_label = f" [{section[1:]}]"  # .data -> [data], .bss -> [bss]
         return f"{demangled} ({size:,} B){section_label}"
 
+    def _add_top_symbols(self, lines: list[str]) -> None:
+        """Add a section showing the top largest symbols in the binary."""
+        # Collect all symbols from all components: (symbol, demangled, size, section, component)
+        all_symbols = [
+            (symbol, demangled, size, section, component)
+            for component, symbols in self._component_symbols.items()
+            for symbol, demangled, size, section in symbols
+        ]
+
+        # Get top N symbols by size using heapq for efficiency
+        top_symbols = heapq.nlargest(
+            self.TOP_SYMBOLS_LIMIT, all_symbols, key=itemgetter(2)
+        )
+
+        lines.append("")
+        lines.append(f"Top {self.TOP_SYMBOLS_LIMIT} Largest Symbols:")
+        # Calculate truncation limit from column width (leaving room for "...")
+        truncate_limit = self.COL_TOP_SYMBOL_NAME - 3
+        for i, (_, demangled, size, section, component) in enumerate(top_symbols):
+            # Format section label
+            section_label = f"[{section[1:]}]" if section else ""
+            # Truncate demangled name if too long
+            demangled_display = (
+                f"{demangled[:truncate_limit]}..."
+                if len(demangled) > self.COL_TOP_SYMBOL_NAME
+                else demangled
+            )
+            lines.append(
+                f"{i + 1:>2}. {size:>7,} B {section_label:<8} {demangled_display:<{self.COL_TOP_SYMBOL_NAME}} {component}"
+            )
+
     def generate_report(self, detailed: bool = False) -> str:
         """Generate a formatted memory report."""
         components = sorted(
@@ -248,6 +285,9 @@ class MemoryAnalyzerCLI(MemoryAnalyzer):
             "RAM",
         )
 
+        # Top largest symbols in the binary
+        self._add_top_symbols(lines)
+
         # Add ESPHome core detailed analysis if there are core symbols
         if self._esphome_core_symbols:
             self._add_section_header(lines, f"{_COMPONENT_CORE} Detailed Analysis")

esphome/components/adc/sensor.py

@@ -2,7 +2,7 @@ import logging
 
 import esphome.codegen as cg
 from esphome.components import sensor, voltage_sampler
-from esphome.components.esp32 import get_esp32_variant
+from esphome.components.esp32 import get_esp32_variant, include_builtin_idf_component
 from esphome.components.nrf52.const import AIN_TO_GPIO, EXTRA_ADC
 from esphome.components.zephyr import (
     zephyr_add_overlay,
@@ -118,6 +118,9 @@ async def to_code(config):
     cg.add(var.set_sampling_mode(config[CONF_SAMPLING_MODE]))
 
     if CORE.is_esp32:
+        # Re-enable ESP-IDF's ADC driver (excluded by default to save compile time)
+        include_builtin_idf_component("esp_adc")
+
         if attenuation := config.get(CONF_ATTENUATION):
             if attenuation == "auto":
                 cg.add(var.set_autorange(cg.global_ns.true))

esphome/components/api/api.proto

@@ -45,6 +45,7 @@ service APIConnection {
   rpc time_command (TimeCommandRequest) returns (void) {}
   rpc update_command (UpdateCommandRequest) returns (void) {}
   rpc valve_command (ValveCommandRequest) returns (void) {}
+  rpc water_heater_command (WaterHeaterCommandRequest) returns (void) {}
 
   rpc subscribe_bluetooth_le_advertisements(SubscribeBluetoothLEAdvertisementsRequest) returns (void) {}
   rpc bluetooth_device_request(BluetoothDeviceRequest) returns (void) {}

esphome/components/api/api_connection.cpp

@@ -1385,7 +1385,7 @@ uint16_t APIConnection::try_send_water_heater_info(EntityBase *entity, APIConnec
                                      is_single);
 }
 
-void APIConnection::on_water_heater_command_request(const WaterHeaterCommandRequest &msg) {
+void APIConnection::water_heater_command(const WaterHeaterCommandRequest &msg) {
   ENTITY_COMMAND_MAKE_CALL(water_heater::WaterHeater, water_heater, water_heater)
   if (msg.has_fields & enums::WATER_HEATER_COMMAND_HAS_MODE)
     call.set_mode(static_cast<water_heater::WaterHeaterMode>(msg.mode));

esphome/components/api/api_connection.h

@@ -170,7 +170,7 @@ class APIConnection final : public APIServerConnection {
 
 #ifdef USE_WATER_HEATER
   bool send_water_heater_state(water_heater::WaterHeater *water_heater);
-  void on_water_heater_command_request(const WaterHeaterCommandRequest &msg) override;
+  void water_heater_command(const WaterHeaterCommandRequest &msg) override;
 #endif
 
 #ifdef USE_IR_RF

esphome/components/api/api_pb2_service.cpp

@@ -746,6 +746,11 @@ void APIServerConnection::on_update_command_request(const UpdateCommandRequest &
 #ifdef USE_VALVE
 void APIServerConnection::on_valve_command_request(const ValveCommandRequest &msg) { this->valve_command(msg); }
 #endif
+#ifdef USE_WATER_HEATER
+void APIServerConnection::on_water_heater_command_request(const WaterHeaterCommandRequest &msg) {
+  this->water_heater_command(msg);
+}
+#endif
 #ifdef USE_BLUETOOTH_PROXY
 void APIServerConnection::on_subscribe_bluetooth_le_advertisements_request(
     const SubscribeBluetoothLEAdvertisementsRequest &msg) {

esphome/components/api/api_pb2_service.h

@@ -303,6 +303,9 @@ class APIServerConnection : public APIServerConnectionBase {
 #ifdef USE_VALVE
   virtual void valve_command(const ValveCommandRequest &msg) = 0;
 #endif
+#ifdef USE_WATER_HEATER
+  virtual void water_heater_command(const WaterHeaterCommandRequest &msg) = 0;
+#endif
 #ifdef USE_BLUETOOTH_PROXY
   virtual void subscribe_bluetooth_le_advertisements(const SubscribeBluetoothLEAdvertisementsRequest &msg) = 0;
 #endif
@@ -432,6 +435,9 @@ class APIServerConnection : public APIServerConnectionBase {
 #ifdef USE_VALVE
   void on_valve_command_request(const ValveCommandRequest &msg) override;
 #endif
+#ifdef USE_WATER_HEATER
+  void on_water_heater_command_request(const WaterHeaterCommandRequest &msg) override;
+#endif
 #ifdef USE_BLUETOOTH_PROXY
   void on_subscribe_bluetooth_le_advertisements_request(const SubscribeBluetoothLEAdvertisementsRequest &msg) override;
 #endif

esphome/components/api/api_server.cpp

@@ -211,7 +211,7 @@ void APIServer::loop() {
 
 #ifdef USE_API_CLIENT_DISCONNECTED_TRIGGER
     // Fire trigger after client is removed so api.connected reflects the true state
-    this->client_disconnected_trigger_->trigger(client_name, client_peername);
+    this->client_disconnected_trigger_.trigger(client_name, client_peername);
 #endif
     // Don't increment client_index since we need to process the swapped element
   }

esphome/components/api/api_server.h

@@ -227,12 +227,10 @@ class APIServer : public Component,
 #endif
 
 #ifdef USE_API_CLIENT_CONNECTED_TRIGGER
-  Trigger<std::string, std::string> *get_client_connected_trigger() const { return this->client_connected_trigger_; }
+  Trigger<std::string, std::string> *get_client_connected_trigger() { return &this->client_connected_trigger_; }
 #endif
 #ifdef USE_API_CLIENT_DISCONNECTED_TRIGGER
-  Trigger<std::string, std::string> *get_client_disconnected_trigger() const {
+  Trigger<std::string, std::string> *get_client_disconnected_trigger() { return &this->client_disconnected_trigger_; }
-    return this->client_disconnected_trigger_;
-  }
 #endif
 
  protected:
@@ -253,10 +251,10 @@ class APIServer : public Component,
   // Pointers and pointer-like types first (4 bytes each)
   std::unique_ptr<socket::Socket> socket_ = nullptr;
 #ifdef USE_API_CLIENT_CONNECTED_TRIGGER
-  Trigger<std::string, std::string> *client_connected_trigger_ = new Trigger<std::string, std::string>();
+  Trigger<std::string, std::string> client_connected_trigger_;
 #endif
 #ifdef USE_API_CLIENT_DISCONNECTED_TRIGGER
-  Trigger<std::string, std::string> *client_disconnected_trigger_ = new Trigger<std::string, std::string>();
+  Trigger<std::string, std::string> client_disconnected_trigger_;
 #endif
 
   // 4-byte aligned types

esphome/components/api/homeassistant_service.h

@@ -136,12 +136,10 @@ template<typename... Ts> class HomeAssistantServiceCallAction : public Action<Ts
   void set_wants_response() { this->flags_.wants_response = true; }
 
 #ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
-  Trigger<JsonObjectConst, Ts...> *get_success_trigger_with_response() const {
+  Trigger<JsonObjectConst, Ts...> *get_success_trigger_with_response() { return &this->success_trigger_with_response_; }
-    return this->success_trigger_with_response_;
-  }
 #endif
-  Trigger<Ts...> *get_success_trigger() const { return this->success_trigger_; }
+  Trigger<Ts...> *get_success_trigger() { return &this->success_trigger_; }
-  Trigger<std::string, Ts...> *get_error_trigger() const { return this->error_trigger_; }
+  Trigger<std::string, Ts...> *get_error_trigger() { return &this->error_trigger_; }
 #endif  // USE_API_HOMEASSISTANT_ACTION_RESPONSES
 
   void play(const Ts &...x) override {
@@ -187,14 +185,14 @@ template<typename... Ts> class HomeAssistantServiceCallAction : public Action<Ts
               if (response.is_success()) {
 #ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
                 if (this->flags_.wants_response) {
-                  this->success_trigger_with_response_->trigger(response.get_json(), args...);
+                  this->success_trigger_with_response_.trigger(response.get_json(), args...);
                 } else
 #endif
                 {
-                  this->success_trigger_->trigger(args...);
+                  this->success_trigger_.trigger(args...);
                 }
               } else {
-                this->error_trigger_->trigger(response.get_error_message(), args...);
+                this->error_trigger_.trigger(response.get_error_message(), args...);
               }
             },
             captured_args);
@@ -251,10 +249,10 @@ template<typename... Ts> class HomeAssistantServiceCallAction : public Action<Ts
 #ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES
 #ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
   TemplatableStringValue<Ts...> response_template_{""};
-  Trigger<JsonObjectConst, Ts...> *success_trigger_with_response_ = new Trigger<JsonObjectConst, Ts...>();
+  Trigger<JsonObjectConst, Ts...> success_trigger_with_response_;
 #endif  // USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
-  Trigger<Ts...> *success_trigger_ = new Trigger<Ts...>();
+  Trigger<Ts...> success_trigger_;
-  Trigger<std::string, Ts...> *error_trigger_ = new Trigger<std::string, Ts...>();
+  Trigger<std::string, Ts...> error_trigger_;
 #endif  // USE_API_HOMEASSISTANT_ACTION_RESPONSES
 
   struct Flags {

esphome/components/async_tcp/__init__.py

@@ -38,8 +38,10 @@ async def to_code(config):
         # https://github.com/ESP32Async/ESPAsyncTCP
         cg.add_library("ESP32Async/ESPAsyncTCP", "2.0.0")
     elif CORE.is_rp2040:
-        # https://github.com/khoih-prog/AsyncTCP_RP2040W
+        # https://github.com/ayushsharma82/RPAsyncTCP
-        cg.add_library("khoih-prog/AsyncTCP_RP2040W", "1.2.0")
+        # RPAsyncTCP is a drop-in replacement for AsyncTCP_RP2040W with better
+        # ESPAsyncWebServer compatibility
+        cg.add_library("ayushsharma82/RPAsyncTCP", "1.3.2")
     # Other platforms (host, etc) use socket-based implementation
 
 

esphome/components/async_tcp/async_tcp.h

@@ -8,8 +8,8 @@
 // Use ESPAsyncTCP library for ESP8266 (always Arduino)
 #include <ESPAsyncTCP.h>
 #elif defined(USE_RP2040)
-// Use AsyncTCP_RP2040W library for RP2040
+// Use RPAsyncTCP library for RP2040
-#include <AsyncTCP_RP2040W.h>
+#include <RPAsyncTCP.h>
 #else
 // Use socket-based implementation for other platforms
 #include "async_tcp_socket.h"

esphome/components/audio/__init__.py

@@ -1,5 +1,5 @@
 import esphome.codegen as cg
-from esphome.components.esp32 import add_idf_component
+from esphome.components.esp32 import add_idf_component, include_builtin_idf_component
 import esphome.config_validation as cv
 from esphome.const import CONF_BITS_PER_SAMPLE, CONF_NUM_CHANNELS, CONF_SAMPLE_RATE
 import esphome.final_validate as fv
@@ -166,6 +166,9 @@ def final_validate_audio_schema(
 
 
 async def to_code(config):
+    # Re-enable ESP-IDF's HTTP client (excluded by default to save compile time)
+    include_builtin_idf_component("esp_http_client")
+
     add_idf_component(
         name="esphome/esp-audio-libs",
         ref="2.0.3",

esphome/components/bang_bang/bang_bang_climate.cpp

@@ -6,8 +6,7 @@ namespace bang_bang {
 
 static const char *const TAG = "bang_bang.climate";
 
-BangBangClimate::BangBangClimate()
+BangBangClimate::BangBangClimate() = default;
-    : idle_trigger_(new Trigger<>()), cool_trigger_(new Trigger<>()), heat_trigger_(new Trigger<>()) {}
 
 void BangBangClimate::setup() {
   this->sensor_->add_on_state_callback([this](float state) {
@@ -160,13 +159,13 @@ void BangBangClimate::switch_to_action_(climate::ClimateAction action) {
   switch (action) {
     case climate::CLIMATE_ACTION_OFF:
     case climate::CLIMATE_ACTION_IDLE:
-      trig = this->idle_trigger_;
+      trig = &this->idle_trigger_;
       break;
     case climate::CLIMATE_ACTION_COOLING:
-      trig = this->cool_trigger_;
+      trig = &this->cool_trigger_;
       break;
     case climate::CLIMATE_ACTION_HEATING:
-      trig = this->heat_trigger_;
+      trig = &this->heat_trigger_;
       break;
     default:
       trig = nullptr;
@@ -204,9 +203,9 @@ void BangBangClimate::set_away_config(const BangBangClimateTargetTempConfig &awa
 void BangBangClimate::set_sensor(sensor::Sensor *sensor) { this->sensor_ = sensor; }
 void BangBangClimate::set_humidity_sensor(sensor::Sensor *humidity_sensor) { this->humidity_sensor_ = humidity_sensor; }
 
-Trigger<> *BangBangClimate::get_idle_trigger() const { return this->idle_trigger_; }
+Trigger<> *BangBangClimate::get_idle_trigger() { return &this->idle_trigger_; }
-Trigger<> *BangBangClimate::get_cool_trigger() const { return this->cool_trigger_; }
+Trigger<> *BangBangClimate::get_cool_trigger() { return &this->cool_trigger_; }
-Trigger<> *BangBangClimate::get_heat_trigger() const { return this->heat_trigger_; }
+Trigger<> *BangBangClimate::get_heat_trigger() { return &this->heat_trigger_; }
 
 void BangBangClimate::set_supports_cool(bool supports_cool) { this->supports_cool_ = supports_cool; }
 void BangBangClimate::set_supports_heat(bool supports_heat) { this->supports_heat_ = supports_heat; }

esphome/components/bang_bang/bang_bang_climate.h

@@ -30,9 +30,9 @@ class BangBangClimate : public climate::Climate, public Component {
   void set_normal_config(const BangBangClimateTargetTempConfig &normal_config);
   void set_away_config(const BangBangClimateTargetTempConfig &away_config);
 
-  Trigger<> *get_idle_trigger() const;
+  Trigger<> *get_idle_trigger();
-  Trigger<> *get_cool_trigger() const;
+  Trigger<> *get_cool_trigger();
-  Trigger<> *get_heat_trigger() const;
+  Trigger<> *get_heat_trigger();
 
  protected:
   /// Override control to change settings of the climate device.
@@ -57,17 +57,13 @@ class BangBangClimate : public climate::Climate, public Component {
    *
    * In idle mode, the controller is assumed to have both heating and cooling disabled.
    */
-  Trigger<> *idle_trigger_{nullptr};
+  Trigger<> idle_trigger_;
   /** The trigger to call when the controller should switch to cooling mode.
    */
-  Trigger<> *cool_trigger_{nullptr};
+  Trigger<> cool_trigger_;
   /** The trigger to call when the controller should switch to heating mode.
-   *
-   * A null value for this attribute means that the controller has no heating action
-   * For example window blinds, where only cooling (blinds closed) and not-cooling
-   * (blinds open) is possible.
    */
-  Trigger<> *heat_trigger_{nullptr};
+  Trigger<> heat_trigger_;
   /** A reference to the trigger that was previously active.
    *
    * This is so that the previous trigger can be stopped before enabling a new one.

esphome/components/binary_sensor/binary_sensor.cpp

@@ -14,10 +14,7 @@ void log_binary_sensor(const char *tag, const char *prefix, const char *type, Bi
   }
 
   ESP_LOGCONFIG(tag, "%s%s '%s'", prefix, type, obj->get_name().c_str());
-
+  LOG_ENTITY_DEVICE_CLASS(tag, prefix, *obj);
-  if (!obj->get_device_class_ref().empty()) {
-    ESP_LOGCONFIG(tag, "%s  Device Class: '%s'", prefix, obj->get_device_class_ref().c_str());
-  }
 }
 
 void BinarySensor::publish_state(bool new_state) {

esphome/components/bl0940/number/calibration_number.cpp

@@ -9,7 +9,7 @@ static const char *const TAG = "bl0940.number";
 void CalibrationNumber::setup() {
   float value = 0.0f;
   if (this->restore_value_) {
-    this->pref_ = global_preferences->make_preference<float>(this->get_preference_hash());
+    this->pref_ = this->make_entity_preference<float>();
     if (!this->pref_.load(&value)) {
       value = 0.0f;
     }

esphome/components/button/button.cpp

@@ -12,10 +12,7 @@ void log_button(const char *tag, const char *prefix, const char *type, Button *o
   }
 
   ESP_LOGCONFIG(tag, "%s%s '%s'", prefix, type, obj->get_name().c_str());
-
+  LOG_ENTITY_ICON(tag, prefix, *obj);
-  if (!obj->get_icon_ref().empty()) {
-    ESP_LOGCONFIG(tag, "%s  Icon: '%s'", prefix, obj->get_icon_ref().c_str());
-  }
 }
 
 void Button::press() {

esphome/components/captive_portal/captive_portal.cpp

@@ -96,10 +96,16 @@ void CaptivePortal::start() {
 }
 
 void CaptivePortal::handleRequest(AsyncWebServerRequest *req) {
-  if (req->url() == ESPHOME_F("/config.json")) {
+#ifdef USE_ESP32
+  char url_buf[AsyncWebServerRequest::URL_BUF_SIZE];
+  StringRef url = req->url_to(url_buf);
+#else
+  const auto &url = req->url();
+#endif
+  if (url == ESPHOME_F("/config.json")) {
     this->handle_config(req);
     return;
-  } else if (req->url() == ESPHOME_F("/wifisave")) {
+  } else if (url == ESPHOME_F("/wifisave")) {
     this->handle_wifisave(req);
     return;
   }

esphome/components/cc1101/cc1101.cpp

@@ -156,7 +156,7 @@ void CC1101Component::call_listeners_(const std::vector<uint8_t> &packet, float
   for (auto &listener : this->listeners_) {
     listener->on_packet(packet, freq_offset, rssi, lqi);
   }
-  this->packet_trigger_->trigger(packet, freq_offset, rssi, lqi);
+  this->packet_trigger_.trigger(packet, freq_offset, rssi, lqi);
 }
 
 void CC1101Component::loop() {

esphome/components/cc1101/cc1101.h

@@ -79,7 +79,7 @@ class CC1101Component : public Component,
   // Packet mode operations
   CC1101Error transmit_packet(const std::vector<uint8_t> &packet);
   void register_listener(CC1101Listener *listener) { this->listeners_.push_back(listener); }
-  Trigger<std::vector<uint8_t>, float, float, uint8_t> *get_packet_trigger() const { return this->packet_trigger_; }
+  Trigger<std::vector<uint8_t>, float, float, uint8_t> *get_packet_trigger() { return &this->packet_trigger_; }
 
  protected:
   uint16_t chip_id_{0};
@@ -96,8 +96,7 @@ class CC1101Component : public Component,
 
   // Packet handling
   void call_listeners_(const std::vector<uint8_t> &packet, float freq_offset, float rssi, uint8_t lqi);
-  Trigger<std::vector<uint8_t>, float, float, uint8_t> *packet_trigger_{
+  Trigger<std::vector<uint8_t>, float, float, uint8_t> packet_trigger_;
-      new Trigger<std::vector<uint8_t>, float, float, uint8_t>()};
   std::vector<uint8_t> packet_;
   std::vector<CC1101Listener *> listeners_;
 

esphome/components/ch423/__init__.py

@@ -0,0 +1,103 @@
+from esphome import pins
+import esphome.codegen as cg
+from esphome.components import i2c
+from esphome.components.i2c import I2CBus
+import esphome.config_validation as cv
+from esphome.const import (
+    CONF_I2C_ID,
+    CONF_ID,
+    CONF_INPUT,
+    CONF_INVERTED,
+    CONF_MODE,
+    CONF_NUMBER,
+    CONF_OPEN_DRAIN,
+    CONF_OUTPUT,
+)
+from esphome.core import CORE
+
+CODEOWNERS = ["@dwmw2"]
+DEPENDENCIES = ["i2c"]
+MULTI_CONF = True
+ch423_ns = cg.esphome_ns.namespace("ch423")
+
+CH423Component = ch423_ns.class_("CH423Component", cg.Component, i2c.I2CDevice)
+CH423GPIOPin = ch423_ns.class_(
+    "CH423GPIOPin", cg.GPIOPin, cg.Parented.template(CH423Component)
+)
+
+CONF_CH423 = "ch423"
+
+# Note that no address is configurable - each register in the CH423 has a dedicated i2c address
+CONFIG_SCHEMA = cv.Schema(
+    {
+        cv.GenerateID(CONF_ID): cv.declare_id(CH423Component),
+        cv.GenerateID(CONF_I2C_ID): cv.use_id(I2CBus),
+    }
+).extend(cv.COMPONENT_SCHEMA)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    await cg.register_component(var, config)
+    # Can't use register_i2c_device because there is no CONF_ADDRESS
+    parent = await cg.get_variable(config[CONF_I2C_ID])
+    cg.add(var.set_i2c_bus(parent))
+
+
+# This is used as a final validation step so that modes have been fully transformed.
+def pin_mode_check(pin_config, _):
+    if pin_config[CONF_MODE][CONF_INPUT] and pin_config[CONF_NUMBER] >= 8:
+        raise cv.Invalid("CH423 only supports input on pins 0-7")
+    if pin_config[CONF_MODE][CONF_OPEN_DRAIN] and pin_config[CONF_NUMBER] < 8:
+        raise cv.Invalid("CH423 only supports open drain output on pins 8-23")
+
+    ch423_id = pin_config[CONF_CH423]
+    pin_num = pin_config[CONF_NUMBER]
+    is_output = pin_config[CONF_MODE][CONF_OUTPUT]
+    is_open_drain = pin_config[CONF_MODE][CONF_OPEN_DRAIN]
+
+    # Track pin modes per CH423 instance in CORE.data
+    ch423_modes = CORE.data.setdefault(CONF_CH423, {})
+    if ch423_id not in ch423_modes:
+        ch423_modes[ch423_id] = {"gpio_output": None, "gpo_open_drain": None}
+
+    if pin_num < 8:
+        # GPIO pins (0-7): all must have same direction
+        if ch423_modes[ch423_id]["gpio_output"] is None:
+            ch423_modes[ch423_id]["gpio_output"] = is_output
+        elif ch423_modes[ch423_id]["gpio_output"] != is_output:
+            raise cv.Invalid(
+                "CH423 GPIO pins (0-7) must all be configured as input or all as output"
+            )
+    # GPO pins (8-23): all must have same open-drain setting
+    elif ch423_modes[ch423_id]["gpo_open_drain"] is None:
+        ch423_modes[ch423_id]["gpo_open_drain"] = is_open_drain
+    elif ch423_modes[ch423_id]["gpo_open_drain"] != is_open_drain:
+        raise cv.Invalid(
+            "CH423 GPO pins (8-23) must all be configured as push-pull or all as open-drain"
+        )
+
+
+CH423_PIN_SCHEMA = pins.gpio_base_schema(
+    CH423GPIOPin,
+    cv.int_range(min=0, max=23),
+    modes=[CONF_INPUT, CONF_OUTPUT, CONF_OPEN_DRAIN],
+).extend(
+    {
+        cv.Required(CONF_CH423): cv.use_id(CH423Component),
+    }
+)
+
+
+@pins.PIN_SCHEMA_REGISTRY.register(CONF_CH423, CH423_PIN_SCHEMA, pin_mode_check)
+async def ch423_pin_to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    parent = await cg.get_variable(config[CONF_CH423])
+
+    cg.add(var.set_parent(parent))
+
+    num = config[CONF_NUMBER]
+    cg.add(var.set_pin(num))
+    cg.add(var.set_inverted(config[CONF_INVERTED]))
+    cg.add(var.set_flags(pins.gpio_flags_expr(config[CONF_MODE])))
+    return var

esphome/components/ch423/ch423.cpp

@@ -0,0 +1,148 @@
+#include "ch423.h"
+#include "esphome/core/log.h"
+#include "esphome/core/progmem.h"
+
+namespace esphome::ch423 {
+
+static constexpr uint8_t CH423_REG_SYS = 0x24;    // Set system parameters (0x48 >> 1)
+static constexpr uint8_t CH423_SYS_IO_OE = 0x01;  // IO output enable
+static constexpr uint8_t CH423_SYS_OD_EN = 0x04;  // Open drain enable for OC pins
+static constexpr uint8_t CH423_REG_IO = 0x30;     // Write/read IO7-IO0 (0x60 >> 1)
+static constexpr uint8_t CH423_REG_IO_RD = 0x26;  // Read IO7-IO0 (0x4D >> 1, rounded down)
+static constexpr uint8_t CH423_REG_OCL = 0x22;    // Write OC7-OC0 (0x44 >> 1)
+static constexpr uint8_t CH423_REG_OCH = 0x23;    // Write OC15-OC8 (0x46 >> 1)
+
+static const char *const TAG = "ch423";
+
+void CH423Component::setup() {
+  // set outputs before mode
+  this->write_outputs_();
+  // Set system parameters and check for errors
+  bool success = this->write_reg_(CH423_REG_SYS, this->sys_params_);
+  // Only read inputs if pins are configured for input (IO_OE not set)
+  if (success && !(this->sys_params_ & CH423_SYS_IO_OE)) {
+    success = this->read_inputs_();
+  }
+  if (!success) {
+    ESP_LOGE(TAG, "CH423 not detected");
+    this->mark_failed();
+    return;
+  }
+
+  ESP_LOGCONFIG(TAG, "Initialization complete. Warning: %d, Error: %d", this->status_has_warning(),
+                this->status_has_error());
+}
+
+void CH423Component::loop() {
+  // Clear all the previously read flags.
+  this->pin_read_flags_ = 0x00;
+}
+
+void CH423Component::dump_config() {
+  ESP_LOGCONFIG(TAG, "CH423:");
+  if (this->is_failed()) {
+    ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
+  }
+}
+
+void CH423Component::pin_mode(uint8_t pin, gpio::Flags flags) {
+  if (pin < 8) {
+    if (flags & gpio::FLAG_OUTPUT) {
+      this->sys_params_ |= CH423_SYS_IO_OE;
+    }
+  } else if (pin >= 8 && pin < 24) {
+    if (flags & gpio::FLAG_OPEN_DRAIN) {
+      this->sys_params_ |= CH423_SYS_OD_EN;
+    }
+  }
+}
+
+bool CH423Component::digital_read(uint8_t pin) {
+  if (this->pin_read_flags_ == 0 || this->pin_read_flags_ & (1 << pin)) {
+    // Read values on first access or in case it's being read again in the same loop
+    this->read_inputs_();
+  }
+
+  this->pin_read_flags_ |= (1 << pin);
+  return (this->input_bits_ & (1 << pin)) != 0;
+}
+
+void CH423Component::digital_write(uint8_t pin, bool value) {
+  if (value) {
+    this->output_bits_ |= (1 << pin);
+  } else {
+    this->output_bits_ &= ~(1 << pin);
+  }
+  this->write_outputs_();
+}
+
+bool CH423Component::read_inputs_() {
+  if (this->is_failed()) {
+    return false;
+  }
+  // reading inputs requires IO_OE to be 0
+  if (this->sys_params_ & CH423_SYS_IO_OE) {
+    return false;
+  }
+  uint8_t result = this->read_reg_(CH423_REG_IO_RD);
+  this->input_bits_ = result;
+  this->status_clear_warning();
+  return true;
+}
+
+// Write a register. Can't use the standard write_byte() method because there is no single pre-configured i2c address.
+bool CH423Component::write_reg_(uint8_t reg, uint8_t value) {
+  auto err = this->bus_->write_readv(reg, &value, 1, nullptr, 0);
+  if (err != i2c::ERROR_OK) {
+    char buf[64];
+    ESPHOME_snprintf_P(buf, sizeof(buf), ESPHOME_PSTR("write failed for register 0x%X, error %d"), reg, err);
+    this->status_set_warning(buf);
+    return false;
+  }
+  this->status_clear_warning();
+  return true;
+}
+
+uint8_t CH423Component::read_reg_(uint8_t reg) {
+  uint8_t value;
+  auto err = this->bus_->write_readv(reg, nullptr, 0, &value, 1);
+  if (err != i2c::ERROR_OK) {
+    char buf[64];
+    ESPHOME_snprintf_P(buf, sizeof(buf), ESPHOME_PSTR("read failed for register 0x%X, error %d"), reg, err);
+    this->status_set_warning(buf);
+    return 0;
+  }
+  this->status_clear_warning();
+  return value;
+}
+
+bool CH423Component::write_outputs_() {
+  bool success = true;
+  // Write IO7-IO0
+  success &= this->write_reg_(CH423_REG_IO, static_cast<uint8_t>(this->output_bits_));
+  // Write OC7-OC0
+  success &= this->write_reg_(CH423_REG_OCL, static_cast<uint8_t>(this->output_bits_ >> 8));
+  // Write OC15-OC8
+  success &= this->write_reg_(CH423_REG_OCH, static_cast<uint8_t>(this->output_bits_ >> 16));
+  return success;
+}
+
+float CH423Component::get_setup_priority() const { return setup_priority::IO; }
+
+// Run our loop() method very early in the loop, so that we cache read values
+// before other components call our digital_read() method.
+float CH423Component::get_loop_priority() const { return 9.0f; }  // Just after WIFI
+
+void CH423GPIOPin::pin_mode(gpio::Flags flags) { this->parent_->pin_mode(this->pin_, flags); }
+bool CH423GPIOPin::digital_read() { return this->parent_->digital_read(this->pin_) ^ this->inverted_; }
+
+void CH423GPIOPin::digital_write(bool value) { this->parent_->digital_write(this->pin_, value ^ this->inverted_); }
+size_t CH423GPIOPin::dump_summary(char *buffer, size_t len) const {
+  return snprintf(buffer, len, "EXIO%u via CH423", this->pin_);
+}
+void CH423GPIOPin::set_flags(gpio::Flags flags) {
+  flags_ = flags;
+  this->parent_->pin_mode(this->pin_, flags);
+}
+
+}  // namespace esphome::ch423

esphome/components/ch423/ch423.h

@@ -0,0 +1,67 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/core/hal.h"
+#include "esphome/components/i2c/i2c.h"
+
+namespace esphome::ch423 {
+
+class CH423Component : public Component, public i2c::I2CDevice {
+ public:
+  CH423Component() = default;
+
+  /// Check i2c availability and setup masks
+  void setup() override;
+  /// Poll for input changes periodically
+  void loop() override;
+  /// Helper function to read the value of a pin.
+  bool digital_read(uint8_t pin);
+  /// Helper function to write the value of a pin.
+  void digital_write(uint8_t pin, bool value);
+  /// Helper function to set the pin mode of a pin.
+  void pin_mode(uint8_t pin, gpio::Flags flags);
+
+  float get_setup_priority() const override;
+  float get_loop_priority() const override;
+  void dump_config() override;
+
+ protected:
+  bool write_reg_(uint8_t reg, uint8_t value);
+  uint8_t read_reg_(uint8_t reg);
+  bool read_inputs_();
+  bool write_outputs_();
+
+  /// The mask to write as output state - 1 means HIGH, 0 means LOW
+  uint32_t output_bits_{0x00};
+  /// Flags to check if read previously during this loop
+  uint8_t pin_read_flags_{0x00};
+  /// Copy of last read values
+  uint8_t input_bits_{0x00};
+  /// System parameters
+  uint8_t sys_params_{0x00};
+};
+
+/// Helper class to expose a CH423 pin as a GPIO pin.
+class CH423GPIOPin : public GPIOPin {
+ public:
+  void setup() override{};
+  void pin_mode(gpio::Flags flags) override;
+  bool digital_read() override;
+  void digital_write(bool value) override;
+  size_t dump_summary(char *buffer, size_t len) const override;
+
+  void set_parent(CH423Component *parent) { parent_ = parent; }
+  void set_pin(uint8_t pin) { pin_ = pin; }
+  void set_inverted(bool inverted) { inverted_ = inverted; }
+  void set_flags(gpio::Flags flags);
+
+  gpio::Flags get_flags() const override { return this->flags_; }
+
+ protected:
+  CH423Component *parent_{};
+  uint8_t pin_{};
+  bool inverted_{};
+  gpio::Flags flags_{};
+};
+
+}  // namespace esphome::ch423

esphome/components/climate/climate.cpp

@@ -360,8 +360,7 @@ void Climate::add_on_control_callback(std::function<void(ClimateCall &)> &&callb
 static const uint32_t RESTORE_STATE_VERSION = 0x848EA6ADUL;
 
 optional<ClimateDeviceRestoreState> Climate::restore_state_() {
-  this->rtc_ = global_preferences->make_preference<ClimateDeviceRestoreState>(this->get_preference_hash() ^
+  this->rtc_ = this->make_entity_preference<ClimateDeviceRestoreState>(RESTORE_STATE_VERSION);
-                                                                              RESTORE_STATE_VERSION);
   ClimateDeviceRestoreState recovered{};
   if (!this->rtc_.load(&recovered))
     return {};

esphome/components/cover/cover.cpp

@@ -187,7 +187,7 @@ void Cover::publish_state(bool save) {
   }
 }
 optional<CoverRestoreState> Cover::restore_state_() {
-  this->rtc_ = global_preferences->make_preference<CoverRestoreState>(this->get_preference_hash());
+  this->rtc_ = this->make_entity_preference<CoverRestoreState>();
   CoverRestoreState recovered{};
   if (!this->rtc_.load(&recovered))
     return {};

esphome/components/cover/cover.h

@@ -20,9 +20,7 @@ const extern float COVER_CLOSED;
     if (traits_.get_is_assumed_state()) { \
       ESP_LOGCONFIG(TAG, "%s  Assumed State: YES", prefix); \
     } \
-    if (!(obj)->get_device_class_ref().empty()) { \
+    LOG_ENTITY_DEVICE_CLASS(TAG, prefix, *(obj)); \
-      ESP_LOGCONFIG(TAG, "%s  Device Class: '%s'", prefix, (obj)->get_device_class_ref().c_str()); \
-    } \
   }
 
 class Cover;

esphome/components/current_based/current_based_cover.cpp

@@ -66,7 +66,7 @@ void CurrentBasedCover::loop() {
   if (this->current_operation == COVER_OPERATION_OPENING) {
     if (this->malfunction_detection_ && this->is_closing_()) {  // Malfunction
       this->direction_idle_();
-      this->malfunction_trigger_->trigger();
+      this->malfunction_trigger_.trigger();
       ESP_LOGI(TAG, "'%s' - Malfunction detected during opening. Current flow detected in close circuit",
                this->name_.c_str());
     } else if (this->is_opening_blocked_()) {  // Blocked
@@ -87,7 +87,7 @@ void CurrentBasedCover::loop() {
   } else if (this->current_operation == COVER_OPERATION_CLOSING) {
     if (this->malfunction_detection_ && this->is_opening_()) {  // Malfunction
       this->direction_idle_();
-      this->malfunction_trigger_->trigger();
+      this->malfunction_trigger_.trigger();
       ESP_LOGI(TAG, "'%s' - Malfunction detected during closing. Current flow detected in open circuit",
                this->name_.c_str());
     } else if (this->is_closing_blocked_()) {  // Blocked
@@ -221,15 +221,15 @@ void CurrentBasedCover::start_direction_(CoverOperation dir) {
   Trigger<> *trig;
   switch (dir) {
     case COVER_OPERATION_IDLE:
-      trig = this->stop_trigger_;
+      trig = &this->stop_trigger_;
       break;
     case COVER_OPERATION_OPENING:
       this->last_operation_ = dir;
-      trig = this->open_trigger_;
+      trig = &this->open_trigger_;
       break;
     case COVER_OPERATION_CLOSING:
       this->last_operation_ = dir;
-      trig = this->close_trigger_;
+      trig = &this->close_trigger_;
       break;
     default:
       return;

esphome/components/current_based/current_based_cover.h

@@ -16,9 +16,9 @@ class CurrentBasedCover : public cover::Cover, public Component {
   void dump_config() override;
   float get_setup_priority() const override;
 
-  Trigger<> *get_stop_trigger() const { return this->stop_trigger_; }
+  Trigger<> *get_stop_trigger() { return &this->stop_trigger_; }
 
-  Trigger<> *get_open_trigger() const { return this->open_trigger_; }
+  Trigger<> *get_open_trigger() { return &this->open_trigger_; }
   void set_open_sensor(sensor::Sensor *open_sensor) { this->open_sensor_ = open_sensor; }
   void set_open_moving_current_threshold(float open_moving_current_threshold) {
     this->open_moving_current_threshold_ = open_moving_current_threshold;
@@ -28,7 +28,7 @@ class CurrentBasedCover : public cover::Cover, public Component {
   }
   void set_open_duration(uint32_t open_duration) { this->open_duration_ = open_duration; }
 
-  Trigger<> *get_close_trigger() const { return this->close_trigger_; }
+  Trigger<> *get_close_trigger() { return &this->close_trigger_; }
   void set_close_sensor(sensor::Sensor *close_sensor) { this->close_sensor_ = close_sensor; }
   void set_close_moving_current_threshold(float close_moving_current_threshold) {
     this->close_moving_current_threshold_ = close_moving_current_threshold;
@@ -44,7 +44,7 @@ class CurrentBasedCover : public cover::Cover, public Component {
   void set_malfunction_detection(bool malfunction_detection) { this->malfunction_detection_ = malfunction_detection; }
   void set_start_sensing_delay(uint32_t start_sensing_delay) { this->start_sensing_delay_ = start_sensing_delay; }
 
-  Trigger<> *get_malfunction_trigger() const { return this->malfunction_trigger_; }
+  Trigger<> *get_malfunction_trigger() { return &this->malfunction_trigger_; }
 
   cover::CoverTraits get_traits() override;
 
@@ -64,23 +64,23 @@ class CurrentBasedCover : public cover::Cover, public Component {
 
   void recompute_position_();
 
-  Trigger<> *stop_trigger_{new Trigger<>()};
+  Trigger<> stop_trigger_;
 
   sensor::Sensor *open_sensor_{nullptr};
-  Trigger<> *open_trigger_{new Trigger<>()};
+  Trigger<> open_trigger_;
   float open_moving_current_threshold_;
   float open_obstacle_current_threshold_{FLT_MAX};
   uint32_t open_duration_;
 
   sensor::Sensor *close_sensor_{nullptr};
-  Trigger<> *close_trigger_{new Trigger<>()};
+  Trigger<> close_trigger_;
   float close_moving_current_threshold_;
   float close_obstacle_current_threshold_{FLT_MAX};
   uint32_t close_duration_;
 
   uint32_t max_duration_{UINT32_MAX};
   bool malfunction_detection_{true};
-  Trigger<> *malfunction_trigger_{new Trigger<>()};
+  Trigger<> malfunction_trigger_;
   uint32_t start_sensing_delay_;
   float obstacle_rollback_;
 

esphome/components/datetime/date_entity.h

@@ -15,9 +15,7 @@ namespace esphome::datetime {
 #define LOG_DATETIME_DATE(prefix, type, obj) \
   if ((obj) != nullptr) { \
     ESP_LOGCONFIG(TAG, "%s%s '%s'", prefix, LOG_STR_LITERAL(type), (obj)->get_name().c_str()); \
-    if (!(obj)->get_icon_ref().empty()) { \
+    LOG_ENTITY_ICON(TAG, prefix, *(obj)); \
-      ESP_LOGCONFIG(TAG, "%s  Icon: '%s'", prefix, (obj)->get_icon_ref().c_str()); \
-    } \
   }
 
 class DateCall;

esphome/components/datetime/datetime_entity.h

@@ -15,9 +15,7 @@ namespace esphome::datetime {
 #define LOG_DATETIME_DATETIME(prefix, type, obj) \
   if ((obj) != nullptr) { \
     ESP_LOGCONFIG(TAG, "%s%s '%s'", prefix, LOG_STR_LITERAL(type), (obj)->get_name().c_str()); \
-    if (!(obj)->get_icon_ref().empty()) { \
+    LOG_ENTITY_ICON(TAG, prefix, *(obj)); \
-      ESP_LOGCONFIG(TAG, "%s  Icon: '%s'", prefix, (obj)->get_icon_ref().c_str()); \
-    } \
   }
 
 class DateTimeCall;

esphome/components/datetime/time_entity.h

@@ -15,9 +15,7 @@ namespace esphome::datetime {
 #define LOG_DATETIME_TIME(prefix, type, obj) \
   if ((obj) != nullptr) { \
     ESP_LOGCONFIG(TAG, "%s%s '%s'", prefix, LOG_STR_LITERAL(type), (obj)->get_name().c_str()); \
-    if (!(obj)->get_icon_ref().empty()) { \
+    LOG_ENTITY_ICON(TAG, prefix, *(obj)); \
-      ESP_LOGCONFIG(TAG, "%s  Icon: '%s'", prefix, (obj)->get_icon_ref().c_str()); \
-    } \
   }
 
 class TimeCall;

esphome/components/display/__init__.py

@@ -15,7 +15,7 @@ from esphome.const import (
     CONF_UPDATE_INTERVAL,
     SCHEDULER_DONT_RUN,
 )
-from esphome.core import CoroPriority, coroutine_with_priority
+from esphome.core import CORE, CoroPriority, coroutine_with_priority
 
 IS_PLATFORM_COMPONENT = True
 
@@ -222,3 +222,8 @@ async def display_is_displaying_page_to_code(config, condition_id, template_arg,
 async def to_code(config):
     cg.add_global(display_ns.using)
     cg.add_define("USE_DISPLAY")
+    if CORE.is_esp32:
+        # Re-enable ESP-IDF's LCD driver (excluded by default to save compile time)
+        from esphome.components.esp32 import include_builtin_idf_component
+
+        include_builtin_idf_component("esp_lcd")

esphome/components/dlms_meter/__init__.py

@@ -0,0 +1,57 @@
+import esphome.codegen as cg
+from esphome.components import uart
+import esphome.config_validation as cv
+from esphome.const import CONF_ID, PLATFORM_ESP32, PLATFORM_ESP8266
+
+CODEOWNERS = ["@SimonFischer04"]
+DEPENDENCIES = ["uart"]
+
+CONF_DLMS_METER_ID = "dlms_meter_id"
+CONF_DECRYPTION_KEY = "decryption_key"
+CONF_PROVIDER = "provider"
+
+PROVIDERS = {"generic": 0, "netznoe": 1}
+
+dlms_meter_component_ns = cg.esphome_ns.namespace("dlms_meter")
+DlmsMeterComponent = dlms_meter_component_ns.class_(
+    "DlmsMeterComponent", cg.Component, uart.UARTDevice
+)
+
+
+def validate_key(value):
+    value = cv.string_strict(value)
+    if len(value) != 32:
+        raise cv.Invalid("Decryption key must be 32 hex characters (16 bytes)")
+    try:
+        return [int(value[i : i + 2], 16) for i in range(0, 32, 2)]
+    except ValueError as exc:
+        raise cv.Invalid("Decryption key must be hex values from 00 to FF") from exc
+
+
+CONFIG_SCHEMA = cv.All(
+    cv.Schema(
+        {
+            cv.GenerateID(): cv.declare_id(DlmsMeterComponent),
+            cv.Required(CONF_DECRYPTION_KEY): validate_key,
+            cv.Optional(CONF_PROVIDER, default="generic"): cv.enum(
+                PROVIDERS, lower=True
+            ),
+        }
+    )
+    .extend(uart.UART_DEVICE_SCHEMA)
+    .extend(cv.COMPONENT_SCHEMA),
+    cv.only_on([PLATFORM_ESP8266, PLATFORM_ESP32]),
+)
+
+FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema(
+    "dlms_meter", baud_rate=2400, require_rx=True
+)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    await cg.register_component(var, config)
+    await uart.register_uart_device(var, config)
+    key = ", ".join(str(b) for b in config[CONF_DECRYPTION_KEY])
+    cg.add(var.set_decryption_key(cg.RawExpression(f"{{{key}}}")))
+    cg.add(var.set_provider(PROVIDERS[config[CONF_PROVIDER]]))

esphome/components/dlms_meter/dlms.h

@@ -0,0 +1,71 @@
+#pragma once
+
+#include <cstdint>
+
+namespace esphome::dlms_meter {
+
+/*
++-------------------------------+
+|       Ciphering Service       |
++-------------------------------+
+|      System Title Length      |
++-------------------------------+
+|                               |
+|                               |
+|                               |
+|            System             |
+|            Title              |
+|                               |
+|                               |
+|                               |
++-------------------------------+
+|            Length             | (1 or 3 Bytes)
++-------------------------------+
+|     Security Control Byte     |
++-------------------------------+
+|                               |
+|             Frame             |
+|            Counter            |
+|                               |
++-------------------------------+
+|                               |
+~                               ~
+        Encrypted Payload
+~                               ~
+|                               |
++-------------------------------+
+
+Ciphering Service: 0xDB (General-Glo-Ciphering)
+System Title Length: 0x08
+System Title: Unique ID of meter
+Length: 1 Byte=Length <= 127, 3 Bytes=Length > 127 (0x82 & 2 Bytes length)
+Security Control Byte:
+- Bit 3…0: Security_Suite_Id
+- Bit 4: "A" subfield: indicates that authentication is applied
+- Bit 5: "E" subfield: indicates that encryption is applied
+- Bit 6: Key_Set subfield: 0 = Unicast, 1 = Broadcast
+- Bit 7: Indicates the use of compression.
+ */
+
+static constexpr uint8_t DLMS_HEADER_LENGTH = 16;
+static constexpr uint8_t DLMS_HEADER_EXT_OFFSET = 2;  // Extra offset for extended length header
+static constexpr uint8_t DLMS_CIPHER_OFFSET = 0;
+static constexpr uint8_t DLMS_SYST_OFFSET = 1;
+static constexpr uint8_t DLMS_LENGTH_OFFSET = 10;
+static constexpr uint8_t TWO_BYTE_LENGTH = 0x82;
+static constexpr uint8_t DLMS_LENGTH_CORRECTION = 5;  // Header bytes included in length field
+static constexpr uint8_t DLMS_SECBYTE_OFFSET = 11;
+static constexpr uint8_t DLMS_FRAMECOUNTER_OFFSET = 12;
+static constexpr uint8_t DLMS_FRAMECOUNTER_LENGTH = 4;
+static constexpr uint8_t DLMS_PAYLOAD_OFFSET = 16;
+static constexpr uint8_t GLO_CIPHERING = 0xDB;
+static constexpr uint8_t DATA_NOTIFICATION = 0x0F;
+static constexpr uint8_t TIMESTAMP_DATETIME = 0x0C;
+static constexpr uint16_t MAX_MESSAGE_LENGTH = 512;  // Maximum size of message (when having 2 bytes length in header).
+
+// Provider specific quirks
+static constexpr uint8_t NETZ_NOE_MAGIC_BYTE = 0x81;  // Magic length byte used by Netz NOE
+static constexpr uint8_t NETZ_NOE_EXPECTED_MESSAGE_LENGTH = 0xF8;
+static constexpr uint8_t NETZ_NOE_EXPECTED_SECURITY_CONTROL_BYTE = 0x20;
+
+}  // namespace esphome::dlms_meter

esphome/components/dlms_meter/dlms_meter.cpp

@@ -0,0 +1,468 @@
+#include "dlms_meter.h"
+
+#include <cmath>
+
+#if defined(USE_ESP8266_FRAMEWORK_ARDUINO)
+#include <bearssl/bearssl.h>
+#elif defined(USE_ESP32)
+#include "mbedtls/esp_config.h"
+#include "mbedtls/gcm.h"
+#endif
+
+namespace esphome::dlms_meter {
+
+static constexpr const char *TAG = "dlms_meter";
+
+void DlmsMeterComponent::dump_config() {
+  const char *provider_name = this->provider_ == PROVIDER_NETZNOE ? "Netz NOE" : "Generic";
+  ESP_LOGCONFIG(TAG,
+                "DLMS Meter:\n"
+                "  Provider: %s\n"
+                "  Read Timeout: %u ms",
+                provider_name, this->read_timeout_);
+#define DLMS_METER_LOG_SENSOR(s) LOG_SENSOR("  ", #s, this->s##_sensor_);
+  DLMS_METER_SENSOR_LIST(DLMS_METER_LOG_SENSOR, )
+#define DLMS_METER_LOG_TEXT_SENSOR(s) LOG_TEXT_SENSOR("  ", #s, this->s##_text_sensor_);
+  DLMS_METER_TEXT_SENSOR_LIST(DLMS_METER_LOG_TEXT_SENSOR, )
+}
+
+void DlmsMeterComponent::loop() {
+  // Read while data is available, netznoe uses two frames so allow 2x max frame length
+  while (this->available()) {
+    if (this->receive_buffer_.size() >= MBUS_MAX_FRAME_LENGTH * 2) {
+      ESP_LOGW(TAG, "Receive buffer full, dropping remaining bytes");
+      break;
+    }
+    uint8_t c;
+    this->read_byte(&c);
+    this->receive_buffer_.push_back(c);
+    this->last_read_ = millis();
+  }
+
+  if (!this->receive_buffer_.empty() && millis() - this->last_read_ > this->read_timeout_) {
+    this->mbus_payload_.clear();
+    if (!this->parse_mbus_(this->mbus_payload_))
+      return;
+
+    uint16_t message_length;
+    uint8_t systitle_length;
+    uint16_t header_offset;
+    if (!this->parse_dlms_(this->mbus_payload_, message_length, systitle_length, header_offset))
+      return;
+
+    if (message_length < DECODER_START_OFFSET || message_length > MAX_MESSAGE_LENGTH) {
+      ESP_LOGE(TAG, "DLMS: Message length invalid: %u", message_length);
+      this->receive_buffer_.clear();
+      return;
+    }
+
+    // Decrypt in place and then decode the OBIS codes
+    if (!this->decrypt_(this->mbus_payload_, message_length, systitle_length, header_offset))
+      return;
+    this->decode_obis_(&this->mbus_payload_[header_offset + DLMS_PAYLOAD_OFFSET], message_length);
+  }
+}
+
+bool DlmsMeterComponent::parse_mbus_(std::vector<uint8_t> &mbus_payload) {
+  ESP_LOGV(TAG, "Parsing M-Bus frames");
+  uint16_t frame_offset = 0;  // Offset is used if the M-Bus message is split into multiple frames
+
+  while (frame_offset < this->receive_buffer_.size()) {
+    // Ensure enough bytes remain for the minimal intro header before accessing indices
+    if (this->receive_buffer_.size() - frame_offset < MBUS_HEADER_INTRO_LENGTH) {
+      ESP_LOGE(TAG, "MBUS: Not enough data for frame header (need %d, have %d)", MBUS_HEADER_INTRO_LENGTH,
+               (this->receive_buffer_.size() - frame_offset));
+      this->receive_buffer_.clear();
+      return false;
+    }
+
+    // Check start bytes
+    if (this->receive_buffer_[frame_offset + MBUS_START1_OFFSET] != START_BYTE_LONG_FRAME ||
+        this->receive_buffer_[frame_offset + MBUS_START2_OFFSET] != START_BYTE_LONG_FRAME) {
+      ESP_LOGE(TAG, "MBUS: Start bytes do not match");
+      this->receive_buffer_.clear();
+      return false;
+    }
+
+    // Both length bytes must be identical
+    if (this->receive_buffer_[frame_offset + MBUS_LENGTH1_OFFSET] !=
+        this->receive_buffer_[frame_offset + MBUS_LENGTH2_OFFSET]) {
+      ESP_LOGE(TAG, "MBUS: Length bytes do not match");
+      this->receive_buffer_.clear();
+      return false;
+    }
+
+    uint8_t frame_length = this->receive_buffer_[frame_offset + MBUS_LENGTH1_OFFSET];  // Get length of this frame
+
+    // Check if received data is enough for the given frame length
+    if (this->receive_buffer_.size() - frame_offset <
+        frame_length + 3) {  // length field inside packet does not account for second start- + checksum- + stop- byte
+      ESP_LOGE(TAG, "MBUS: Frame too big for received data");
+      this->receive_buffer_.clear();
+      return false;
+    }
+
+    // Ensure we have full frame (header + payload + checksum + stop byte) before accessing stop byte
+    size_t required_total =
+        frame_length + MBUS_HEADER_INTRO_LENGTH + MBUS_FOOTER_LENGTH;  // payload + header + 2 footer bytes
+    if (this->receive_buffer_.size() - frame_offset < required_total) {
+      ESP_LOGE(TAG, "MBUS: Incomplete frame (need %d, have %d)", (unsigned int) required_total,
+               this->receive_buffer_.size() - frame_offset);
+      this->receive_buffer_.clear();
+      return false;
+    }
+
+    if (this->receive_buffer_[frame_offset + frame_length + MBUS_HEADER_INTRO_LENGTH + MBUS_FOOTER_LENGTH - 1] !=
+        STOP_BYTE) {
+      ESP_LOGE(TAG, "MBUS: Invalid stop byte");
+      this->receive_buffer_.clear();
+      return false;
+    }
+
+    // Verify checksum: sum of all bytes starting at MBUS_HEADER_INTRO_LENGTH, take last byte
+    uint8_t checksum = 0;  // use uint8_t so only the 8 least significant bits are stored
+    for (uint16_t i = 0; i < frame_length; i++) {
+      checksum += this->receive_buffer_[frame_offset + MBUS_HEADER_INTRO_LENGTH + i];
+    }
+    if (checksum != this->receive_buffer_[frame_offset + frame_length + MBUS_HEADER_INTRO_LENGTH]) {
+      ESP_LOGE(TAG, "MBUS: Invalid checksum: %x != %x", checksum,
+               this->receive_buffer_[frame_offset + frame_length + MBUS_HEADER_INTRO_LENGTH]);
+      this->receive_buffer_.clear();
+      return false;
+    }
+
+    mbus_payload.insert(mbus_payload.end(), &this->receive_buffer_[frame_offset + MBUS_FULL_HEADER_LENGTH],
+                        &this->receive_buffer_[frame_offset + MBUS_HEADER_INTRO_LENGTH + frame_length]);
+
+    frame_offset += MBUS_HEADER_INTRO_LENGTH + frame_length + MBUS_FOOTER_LENGTH;
+  }
+  return true;
+}
+
+bool DlmsMeterComponent::parse_dlms_(const std::vector<uint8_t> &mbus_payload, uint16_t &message_length,
+                                     uint8_t &systitle_length, uint16_t &header_offset) {
+  ESP_LOGV(TAG, "Parsing DLMS header");
+  if (mbus_payload.size() < DLMS_HEADER_LENGTH + DLMS_HEADER_EXT_OFFSET) {
+    ESP_LOGE(TAG, "DLMS: Payload too short");
+    this->receive_buffer_.clear();
+    return false;
+  }
+
+  if (mbus_payload[DLMS_CIPHER_OFFSET] != GLO_CIPHERING) {  // Only general-glo-ciphering is supported (0xDB)
+    ESP_LOGE(TAG, "DLMS: Unsupported cipher");
+    this->receive_buffer_.clear();
+    return false;
+  }
+
+  systitle_length = mbus_payload[DLMS_SYST_OFFSET];
+
+  if (systitle_length != 0x08) {  // Only system titles with length of 8 are supported
+    ESP_LOGE(TAG, "DLMS: Unsupported system title length");
+    this->receive_buffer_.clear();
+    return false;
+  }
+
+  message_length = mbus_payload[DLMS_LENGTH_OFFSET];
+  header_offset = 0;
+
+  if (this->provider_ == PROVIDER_NETZNOE) {
+    // for some reason EVN seems to set the standard "length" field to 0x81 and then the actual length is in the next
+    // byte. Check some bytes to see if received data still matches expectation
+    if (message_length == NETZ_NOE_MAGIC_BYTE &&
+        mbus_payload[DLMS_LENGTH_OFFSET + 1] == NETZ_NOE_EXPECTED_MESSAGE_LENGTH &&
+        mbus_payload[DLMS_LENGTH_OFFSET + 2] == NETZ_NOE_EXPECTED_SECURITY_CONTROL_BYTE) {
+      message_length = mbus_payload[DLMS_LENGTH_OFFSET + 1];
+      header_offset = 1;
+    } else {
+      ESP_LOGE(TAG, "Wrong Length - Security Control Byte sequence detected for provider EVN");
+    }
+  } else {
+    if (message_length == TWO_BYTE_LENGTH) {
+      message_length = encode_uint16(mbus_payload[DLMS_LENGTH_OFFSET + 1], mbus_payload[DLMS_LENGTH_OFFSET + 2]);
+      header_offset = DLMS_HEADER_EXT_OFFSET;
+    }
+  }
+  if (message_length < DLMS_LENGTH_CORRECTION) {
+    ESP_LOGE(TAG, "DLMS: Message length too short: %u", message_length);
+    this->receive_buffer_.clear();
+    return false;
+  }
+  message_length -= DLMS_LENGTH_CORRECTION;  // Correct message length due to part of header being included in length
+
+  if (mbus_payload.size() - DLMS_HEADER_LENGTH - header_offset != message_length) {
+    ESP_LOGV(TAG, "DLMS: Length mismatch - payload=%d, header=%d, offset=%d, message=%d", mbus_payload.size(),
+             DLMS_HEADER_LENGTH, header_offset, message_length);
+    ESP_LOGE(TAG, "DLMS: Message has invalid length");
+    this->receive_buffer_.clear();
+    return false;
+  }
+
+  if (mbus_payload[header_offset + DLMS_SECBYTE_OFFSET] != 0x21 &&
+      mbus_payload[header_offset + DLMS_SECBYTE_OFFSET] !=
+          0x20) {  // Only certain security suite is supported (0x21 || 0x20)
+    ESP_LOGE(TAG, "DLMS: Unsupported security control byte");
+    this->receive_buffer_.clear();
+    return false;
+  }
+
+  return true;
+}
+
+bool DlmsMeterComponent::decrypt_(std::vector<uint8_t> &mbus_payload, uint16_t message_length, uint8_t systitle_length,
+                                  uint16_t header_offset) {
+  ESP_LOGV(TAG, "Decrypting payload");
+  uint8_t iv[12];  // Reserve space for the IV, always 12 bytes
+  // Copy system title to IV (System title is before length; no header offset needed!)
+  // Add 1 to the offset in order to skip the system title length byte
+  memcpy(&iv[0], &mbus_payload[DLMS_SYST_OFFSET + 1], systitle_length);
+  memcpy(&iv[8], &mbus_payload[header_offset + DLMS_FRAMECOUNTER_OFFSET],
+         DLMS_FRAMECOUNTER_LENGTH);  // Copy frame counter to IV
+
+  uint8_t *payload_ptr = &mbus_payload[header_offset + DLMS_PAYLOAD_OFFSET];
+
+#if defined(USE_ESP8266_FRAMEWORK_ARDUINO)
+  br_gcm_context gcm_ctx;
+  br_aes_ct_ctr_keys bc;
+  br_aes_ct_ctr_init(&bc, this->decryption_key_.data(), this->decryption_key_.size());
+  br_gcm_init(&gcm_ctx, &bc.vtable, br_ghash_ctmul32);
+  br_gcm_reset(&gcm_ctx, iv, sizeof(iv));
+  br_gcm_flip(&gcm_ctx);
+  br_gcm_run(&gcm_ctx, 0, payload_ptr, message_length);
+#elif defined(USE_ESP32)
+  size_t outlen = 0;
+  mbedtls_gcm_context gcm_ctx;
+  mbedtls_gcm_init(&gcm_ctx);
+  mbedtls_gcm_setkey(&gcm_ctx, MBEDTLS_CIPHER_ID_AES, this->decryption_key_.data(), this->decryption_key_.size() * 8);
+  mbedtls_gcm_starts(&gcm_ctx, MBEDTLS_GCM_DECRYPT, iv, sizeof(iv));
+  auto ret = mbedtls_gcm_update(&gcm_ctx, payload_ptr, message_length, payload_ptr, message_length, &outlen);
+  mbedtls_gcm_free(&gcm_ctx);
+  if (ret != 0) {
+    ESP_LOGE(TAG, "Decryption failed with error: %d", ret);
+    this->receive_buffer_.clear();
+    return false;
+  }
+#else
+#error "Invalid Platform"
+#endif
+
+  if (payload_ptr[0] != DATA_NOTIFICATION || payload_ptr[5] != TIMESTAMP_DATETIME) {
+    ESP_LOGE(TAG, "OBIS: Packet was decrypted but data is invalid");
+    this->receive_buffer_.clear();
+    return false;
+  }
+  ESP_LOGV(TAG, "Decrypted payload: %d bytes", message_length);
+  return true;
+}
+
+void DlmsMeterComponent::decode_obis_(uint8_t *plaintext, uint16_t message_length) {
+  ESP_LOGV(TAG, "Decoding payload");
+  MeterData data{};
+  uint16_t current_position = DECODER_START_OFFSET;
+  bool power_factor_found = false;
+
+  while (current_position + OBIS_CODE_OFFSET <= message_length) {
+    if (plaintext[current_position + OBIS_TYPE_OFFSET] != DataType::OCTET_STRING) {
+      ESP_LOGE(TAG, "OBIS: Unsupported OBIS header type: %x", plaintext[current_position + OBIS_TYPE_OFFSET]);
+      this->receive_buffer_.clear();
+      return;
+    }
+
+    uint8_t obis_code_length = plaintext[current_position + OBIS_LENGTH_OFFSET];
+    if (obis_code_length != OBIS_CODE_LENGTH_STANDARD && obis_code_length != OBIS_CODE_LENGTH_EXTENDED) {
+      ESP_LOGE(TAG, "OBIS: Unsupported OBIS header length: %x", obis_code_length);
+      this->receive_buffer_.clear();
+      return;
+    }
+    if (current_position + OBIS_CODE_OFFSET + obis_code_length > message_length) {
+      ESP_LOGE(TAG, "OBIS: Buffer too short for OBIS code");
+      this->receive_buffer_.clear();
+      return;
+    }
+
+    uint8_t *obis_code = &plaintext[current_position + OBIS_CODE_OFFSET];
+    uint8_t obis_medium = obis_code[OBIS_A];
+    uint16_t obis_cd = encode_uint16(obis_code[OBIS_C], obis_code[OBIS_D]);
+
+    bool timestamp_found = false;
+    bool meter_number_found = false;
+    if (this->provider_ == PROVIDER_NETZNOE) {
+      // Do not advance Position when reading the Timestamp at DECODER_START_OFFSET
+      if ((obis_code_length == OBIS_CODE_LENGTH_EXTENDED) && (current_position == DECODER_START_OFFSET)) {
+        timestamp_found = true;
+      } else if (power_factor_found) {
+        meter_number_found = true;
+        power_factor_found = false;
+      } else {
+        current_position += obis_code_length + OBIS_CODE_OFFSET;  // Advance past code and position
+      }
+    } else {
+      current_position += obis_code_length + OBIS_CODE_OFFSET;  // Advance past code, position and type
+    }
+    if (!timestamp_found && !meter_number_found && obis_medium != Medium::ELECTRICITY &&
+        obis_medium != Medium::ABSTRACT) {
+      ESP_LOGE(TAG, "OBIS: Unsupported OBIS medium: %x", obis_medium);
+      this->receive_buffer_.clear();
+      return;
+    }
+
+    if (current_position >= message_length) {
+      ESP_LOGE(TAG, "OBIS: Buffer too short for data type");
+      this->receive_buffer_.clear();
+      return;
+    }
+
+    float value = 0.0f;
+    uint8_t value_size = 0;
+    uint8_t data_type = plaintext[current_position];
+    current_position++;
+
+    switch (data_type) {
+      case DataType::DOUBLE_LONG_UNSIGNED: {
+        value_size = 4;
+        if (current_position + value_size > message_length) {
+          ESP_LOGE(TAG, "OBIS: Buffer too short for DOUBLE_LONG_UNSIGNED");
+          this->receive_buffer_.clear();
+          return;
+        }
+        value = encode_uint32(plaintext[current_position + 0], plaintext[current_position + 1],
+                              plaintext[current_position + 2], plaintext[current_position + 3]);
+        current_position += value_size;
+        break;
+      }
+      case DataType::LONG_UNSIGNED: {
+        value_size = 2;
+        if (current_position + value_size > message_length) {
+          ESP_LOGE(TAG, "OBIS: Buffer too short for LONG_UNSIGNED");
+          this->receive_buffer_.clear();
+          return;
+        }
+        value = encode_uint16(plaintext[current_position + 0], plaintext[current_position + 1]);
+        current_position += value_size;
+        break;
+      }
+      case DataType::OCTET_STRING: {
+        uint8_t data_length = plaintext[current_position];
+        current_position++;  // Advance past string length
+        if (current_position + data_length > message_length) {
+          ESP_LOGE(TAG, "OBIS: Buffer too short for OCTET_STRING");
+          this->receive_buffer_.clear();
+          return;
+        }
+        // Handle timestamp (normal OBIS code or NETZNOE special case)
+        if (obis_cd == OBIS_TIMESTAMP || timestamp_found) {
+          if (data_length < 8) {
+            ESP_LOGE(TAG, "OBIS: Timestamp data too short: %u", data_length);
+            this->receive_buffer_.clear();
+            return;
+          }
+          uint16_t year = encode_uint16(plaintext[current_position + 0], plaintext[current_position + 1]);
+          uint8_t month = plaintext[current_position + 2];
+          uint8_t day = plaintext[current_position + 3];
+          uint8_t hour = plaintext[current_position + 5];
+          uint8_t minute = plaintext[current_position + 6];
+          uint8_t second = plaintext[current_position + 7];
+          if (year > 9999 || month > 12 || day > 31 || hour > 23 || minute > 59 || second > 59) {
+            ESP_LOGE(TAG, "Invalid timestamp values: %04u-%02u-%02uT%02u:%02u:%02uZ", year, month, day, hour, minute,
+                     second);
+            this->receive_buffer_.clear();
+            return;
+          }
+          snprintf(data.timestamp, sizeof(data.timestamp), "%04u-%02u-%02uT%02u:%02u:%02uZ", year, month, day, hour,
+                   minute, second);
+        } else if (meter_number_found) {
+          snprintf(data.meternumber, sizeof(data.meternumber), "%.*s", data_length, &plaintext[current_position]);
+        }
+        current_position += data_length;
+        break;
+      }
+      default:
+        ESP_LOGE(TAG, "OBIS: Unsupported OBIS data type: %x", data_type);
+        this->receive_buffer_.clear();
+        return;
+    }
+
+    // Skip break after data
+    if (this->provider_ == PROVIDER_NETZNOE) {
+      // Don't skip the break on the first timestamp, as there's none
+      if (!timestamp_found) {
+        current_position += 2;
+      }
+    } else {
+      current_position += 2;
+    }
+
+    // Check for additional data (scaler-unit structure)
+    if (current_position < message_length && plaintext[current_position] == DataType::INTEGER) {
+      // Apply scaler: real_value = raw_value × 10^scaler
+      if (current_position + 1 < message_length) {
+        int8_t scaler = static_cast<int8_t>(plaintext[current_position + 1]);
+        if (scaler != 0) {
+          value *= powf(10.0f, scaler);
+        }
+      }
+
+      // on EVN Meters there is no additional break
+      if (this->provider_ == PROVIDER_NETZNOE) {
+        current_position += 4;
+      } else {
+        current_position += 6;
+      }
+    }
+
+    // Handle numeric values (LONG_UNSIGNED and DOUBLE_LONG_UNSIGNED)
+    if (value_size > 0) {
+      switch (obis_cd) {
+        case OBIS_VOLTAGE_L1:
+          data.voltage_l1 = value;
+          break;
+        case OBIS_VOLTAGE_L2:
+          data.voltage_l2 = value;
+          break;
+        case OBIS_VOLTAGE_L3:
+          data.voltage_l3 = value;
+          break;
+        case OBIS_CURRENT_L1:
+          data.current_l1 = value;
+          break;
+        case OBIS_CURRENT_L2:
+          data.current_l2 = value;
+          break;
+        case OBIS_CURRENT_L3:
+          data.current_l3 = value;
+          break;
+        case OBIS_ACTIVE_POWER_PLUS:
+          data.active_power_plus = value;
+          break;
+        case OBIS_ACTIVE_POWER_MINUS:
+          data.active_power_minus = value;
+          break;
+        case OBIS_ACTIVE_ENERGY_PLUS:
+          data.active_energy_plus = value;
+          break;
+        case OBIS_ACTIVE_ENERGY_MINUS:
+          data.active_energy_minus = value;
+          break;
+        case OBIS_REACTIVE_ENERGY_PLUS:
+          data.reactive_energy_plus = value;
+          break;
+        case OBIS_REACTIVE_ENERGY_MINUS:
+          data.reactive_energy_minus = value;
+          break;
+        case OBIS_POWER_FACTOR:
+          data.power_factor = value;
+          power_factor_found = true;
+          break;
+        default:
+          ESP_LOGW(TAG, "Unsupported OBIS code 0x%04X", obis_cd);
+      }
+    }
+  }
+
+  this->receive_buffer_.clear();
+
+  ESP_LOGI(TAG, "Received valid data");
+  this->publish_sensors(data);
+  this->status_clear_warning();
+}
+
+}  // namespace esphome::dlms_meter

esphome/components/dlms_meter/dlms_meter.h

@@ -0,0 +1,96 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/core/defines.h"
+#include "esphome/core/log.h"
+#ifdef USE_SENSOR
+#include "esphome/components/sensor/sensor.h"
+#endif
+#ifdef USE_TEXT_SENSOR
+#include "esphome/components/text_sensor/text_sensor.h"
+#endif
+#include "esphome/components/uart/uart.h"
+
+#include "mbus.h"
+#include "dlms.h"
+#include "obis.h"
+
+#include <array>
+#include <vector>
+
+namespace esphome::dlms_meter {
+
+#ifndef DLMS_METER_SENSOR_LIST
+#define DLMS_METER_SENSOR_LIST(F, SEP)
+#endif
+
+#ifndef DLMS_METER_TEXT_SENSOR_LIST
+#define DLMS_METER_TEXT_SENSOR_LIST(F, SEP)
+#endif
+
+struct MeterData {
+  float voltage_l1 = 0.0f;             // Voltage L1
+  float voltage_l2 = 0.0f;             // Voltage L2
+  float voltage_l3 = 0.0f;             // Voltage L3
+  float current_l1 = 0.0f;             // Current L1
+  float current_l2 = 0.0f;             // Current L2
+  float current_l3 = 0.0f;             // Current L3
+  float active_power_plus = 0.0f;      // Active power taken from grid
+  float active_power_minus = 0.0f;     // Active power put into grid
+  float active_energy_plus = 0.0f;     // Active energy taken from grid
+  float active_energy_minus = 0.0f;    // Active energy put into grid
+  float reactive_energy_plus = 0.0f;   // Reactive energy taken from grid
+  float reactive_energy_minus = 0.0f;  // Reactive energy put into grid
+  char timestamp[27]{};                // Text sensor for the timestamp value
+
+  // Netz NOE
+  float power_factor = 0.0f;  // Power Factor
+  char meternumber[13]{};     // Text sensor for the meterNumber value
+};
+
+// Provider constants
+enum Providers : uint32_t { PROVIDER_GENERIC = 0x00, PROVIDER_NETZNOE = 0x01 };
+
+class DlmsMeterComponent : public Component, public uart::UARTDevice {
+ public:
+  DlmsMeterComponent() = default;
+
+  void dump_config() override;
+  void loop() override;
+
+  void set_decryption_key(const std::array<uint8_t, 16> &key) { this->decryption_key_ = key; }
+  void set_provider(uint32_t provider) { this->provider_ = provider; }
+
+  void publish_sensors(MeterData &data) {
+#define DLMS_METER_PUBLISH_SENSOR(s) \
+  if (this->s##_sensor_ != nullptr) \
+    s##_sensor_->publish_state(data.s);
+    DLMS_METER_SENSOR_LIST(DLMS_METER_PUBLISH_SENSOR, )
+
+#define DLMS_METER_PUBLISH_TEXT_SENSOR(s) \
+  if (this->s##_text_sensor_ != nullptr) \
+    s##_text_sensor_->publish_state(data.s);
+    DLMS_METER_TEXT_SENSOR_LIST(DLMS_METER_PUBLISH_TEXT_SENSOR, )
+  }
+
+  DLMS_METER_SENSOR_LIST(SUB_SENSOR, )
+  DLMS_METER_TEXT_SENSOR_LIST(SUB_TEXT_SENSOR, )
+
+ protected:
+  bool parse_mbus_(std::vector<uint8_t> &mbus_payload);
+  bool parse_dlms_(const std::vector<uint8_t> &mbus_payload, uint16_t &message_length, uint8_t &systitle_length,
+                   uint16_t &header_offset);
+  bool decrypt_(std::vector<uint8_t> &mbus_payload, uint16_t message_length, uint8_t systitle_length,
+                uint16_t header_offset);
+  void decode_obis_(uint8_t *plaintext, uint16_t message_length);
+
+  std::vector<uint8_t> receive_buffer_;  // Stores the packet currently being received
+  std::vector<uint8_t> mbus_payload_;    // Parsed M-Bus payload, reused to avoid heap churn
+  uint32_t last_read_ = 0;               // Timestamp when data was last read
+  uint32_t read_timeout_ = 1000;         // Time to wait after last byte before considering data complete
+
+  uint32_t provider_ = PROVIDER_GENERIC;  // Provider of the meter / your grid operator
+  std::array<uint8_t, 16> decryption_key_;
+};
+
+}  // namespace esphome::dlms_meter

esphome/components/dlms_meter/mbus.h

@@ -0,0 +1,69 @@
+#pragma once
+
+#include <cstdint>
+
+namespace esphome::dlms_meter {
+
+/*
++----------------------------------------------------+ -
+|               Start Character [0x68]               |  \
++----------------------------------------------------+   |
+|                   Data Length (L)                  |   |
++----------------------------------------------------+   |
+|               Data Length Repeat (L)               |   |
++----------------------------------------------------+    > M-Bus Data link layer
+|            Start Character Repeat [0x68]           |   |
++----------------------------------------------------+   |
+|             Control/Function Field (C)             |   |
++----------------------------------------------------+   |
+|                  Address Field (A)                 |  /
++----------------------------------------------------+ -
+|           Control Information Field (CI)           |  \
++----------------------------------------------------+   |
+|    Source Transport Service Access Point (STSAP)   |    > DLMS/COSEM M-Bus transport layer
++----------------------------------------------------+   |
+| Destination Transport Service Access Point (DTSAP) |  /
++----------------------------------------------------+ -
+|                                                    |  \
+~                                                    ~   |
+                         Data                             > DLMS/COSEM Application Layer
+~                                                    ~   |
+|                                                    |  /
++----------------------------------------------------+ -
+|                      Checksum                      |  \
++----------------------------------------------------+    > M-Bus Data link layer
+|                Stop Character [0x16]               |  /
++----------------------------------------------------+ -
+
+Data_Length = L - C - A - CI
+Each line (except Data) is one Byte
+
+Possible Values found in publicly available docs:
+- C: 0x53/0x73 (SND_UD)
+- A: FF (Broadcast)
+- CI: 0x00-0x1F/0x60/0x61/0x7C/0x7D
+- STSAP: 0x01 (Management Logical Device ID 1 of the meter)
+- DTSAP: 0x67 (Consumer Information Push Client ID 103)
+ */
+
+// MBUS start bytes for different telegram formats:
+// - Single Character: 0xE5 (length=1)
+// - Short Frame: 0x10 (length=5)
+// - Control Frame: 0x68 (length=9)
+// - Long Frame: 0x68 (length=9+data_length)
+// This component currently only uses Long Frame.
+static constexpr uint8_t START_BYTE_SINGLE_CHARACTER = 0xE5;
+static constexpr uint8_t START_BYTE_SHORT_FRAME = 0x10;
+static constexpr uint8_t START_BYTE_CONTROL_FRAME = 0x68;
+static constexpr uint8_t START_BYTE_LONG_FRAME = 0x68;
+static constexpr uint8_t MBUS_HEADER_INTRO_LENGTH = 4;  // Header length for the intro (0x68, length, length, 0x68)
+static constexpr uint8_t MBUS_FULL_HEADER_LENGTH = 9;   // Total header length
+static constexpr uint8_t MBUS_FOOTER_LENGTH = 2;        // Footer after frame
+static constexpr uint8_t MBUS_MAX_FRAME_LENGTH = 250;   // Maximum size of frame
+static constexpr uint8_t MBUS_START1_OFFSET = 0;        // Offset of first start byte
+static constexpr uint8_t MBUS_LENGTH1_OFFSET = 1;       // Offset of first length byte
+static constexpr uint8_t MBUS_LENGTH2_OFFSET = 2;       // Offset of (duplicated) second length byte
+static constexpr uint8_t MBUS_START2_OFFSET = 3;        // Offset of (duplicated) second start byte
+static constexpr uint8_t STOP_BYTE = 0x16;
+
+}  // namespace esphome::dlms_meter

esphome/components/dlms_meter/obis.h

@@ -0,0 +1,94 @@
+#pragma once
+
+#include <cstdint>
+
+namespace esphome::dlms_meter {
+
+// Data types as per specification
+enum DataType {
+  NULL_DATA = 0x00,
+  BOOLEAN = 0x03,
+  BIT_STRING = 0x04,
+  DOUBLE_LONG = 0x05,
+  DOUBLE_LONG_UNSIGNED = 0x06,
+  OCTET_STRING = 0x09,
+  VISIBLE_STRING = 0x0A,
+  UTF8_STRING = 0x0C,
+  BINARY_CODED_DECIMAL = 0x0D,
+  INTEGER = 0x0F,
+  LONG = 0x10,
+  UNSIGNED = 0x11,
+  LONG_UNSIGNED = 0x12,
+  LONG64 = 0x14,
+  LONG64_UNSIGNED = 0x15,
+  ENUM = 0x16,
+  FLOAT32 = 0x17,
+  FLOAT64 = 0x18,
+  DATE_TIME = 0x19,
+  DATE = 0x1A,
+  TIME = 0x1B,
+
+  ARRAY = 0x01,
+  STRUCTURE = 0x02,
+  COMPACT_ARRAY = 0x13
+};
+
+enum Medium {
+  ABSTRACT = 0x00,
+  ELECTRICITY = 0x01,
+  HEAT_COST_ALLOCATOR = 0x04,
+  COOLING = 0x05,
+  HEAT = 0x06,
+  GAS = 0x07,
+  COLD_WATER = 0x08,
+  HOT_WATER = 0x09,
+  OIL = 0x10,
+  COMPRESSED_AIR = 0x11,
+  NITROGEN = 0x12
+};
+
+// Data structure
+static constexpr uint8_t DECODER_START_OFFSET = 20;  // Skip header, timestamp and break block
+static constexpr uint8_t OBIS_TYPE_OFFSET = 0;
+static constexpr uint8_t OBIS_LENGTH_OFFSET = 1;
+static constexpr uint8_t OBIS_CODE_OFFSET = 2;
+static constexpr uint8_t OBIS_CODE_LENGTH_STANDARD = 0x06;  // 6-byte OBIS code (A.B.C.D.E.F)
+static constexpr uint8_t OBIS_CODE_LENGTH_EXTENDED = 0x0C;  // 12-byte extended OBIS code
+static constexpr uint8_t OBIS_A = 0;
+static constexpr uint8_t OBIS_B = 1;
+static constexpr uint8_t OBIS_C = 2;
+static constexpr uint8_t OBIS_D = 3;
+static constexpr uint8_t OBIS_E = 4;
+static constexpr uint8_t OBIS_F = 5;
+
+// Metadata
+static constexpr uint16_t OBIS_TIMESTAMP = 0x0100;
+static constexpr uint16_t OBIS_SERIAL_NUMBER = 0x6001;
+static constexpr uint16_t OBIS_DEVICE_NAME = 0x2A00;
+
+// Voltage
+static constexpr uint16_t OBIS_VOLTAGE_L1 = 0x2007;
+static constexpr uint16_t OBIS_VOLTAGE_L2 = 0x3407;
+static constexpr uint16_t OBIS_VOLTAGE_L3 = 0x4807;
+
+// Current
+static constexpr uint16_t OBIS_CURRENT_L1 = 0x1F07;
+static constexpr uint16_t OBIS_CURRENT_L2 = 0x3307;
+static constexpr uint16_t OBIS_CURRENT_L3 = 0x4707;
+
+// Power
+static constexpr uint16_t OBIS_ACTIVE_POWER_PLUS = 0x0107;
+static constexpr uint16_t OBIS_ACTIVE_POWER_MINUS = 0x0207;
+
+// Active energy
+static constexpr uint16_t OBIS_ACTIVE_ENERGY_PLUS = 0x0108;
+static constexpr uint16_t OBIS_ACTIVE_ENERGY_MINUS = 0x0208;
+
+// Reactive energy
+static constexpr uint16_t OBIS_REACTIVE_ENERGY_PLUS = 0x0308;
+static constexpr uint16_t OBIS_REACTIVE_ENERGY_MINUS = 0x0408;
+
+// Netz NOE specific
+static constexpr uint16_t OBIS_POWER_FACTOR = 0x0D07;
+
+}  // namespace esphome::dlms_meter

esphome/components/dlms_meter/sensor/__init__.py

@@ -0,0 +1,124 @@
+import esphome.codegen as cg
+from esphome.components import sensor
+import esphome.config_validation as cv
+from esphome.const import (
+    CONF_ID,
+    DEVICE_CLASS_CURRENT,
+    DEVICE_CLASS_ENERGY,
+    DEVICE_CLASS_POWER,
+    DEVICE_CLASS_POWER_FACTOR,
+    DEVICE_CLASS_VOLTAGE,
+    STATE_CLASS_MEASUREMENT,
+    STATE_CLASS_TOTAL_INCREASING,
+    UNIT_AMPERE,
+    UNIT_VOLT,
+    UNIT_WATT,
+    UNIT_WATT_HOURS,
+)
+
+from .. import CONF_DLMS_METER_ID, DlmsMeterComponent
+
+AUTO_LOAD = ["dlms_meter"]
+
+CONFIG_SCHEMA = cv.Schema(
+    {
+        cv.GenerateID(CONF_DLMS_METER_ID): cv.use_id(DlmsMeterComponent),
+        cv.Optional("voltage_l1"): sensor.sensor_schema(
+            unit_of_measurement=UNIT_VOLT,
+            accuracy_decimals=1,
+            device_class=DEVICE_CLASS_VOLTAGE,
+            state_class=STATE_CLASS_MEASUREMENT,
+        ),
+        cv.Optional("voltage_l2"): sensor.sensor_schema(
+            unit_of_measurement=UNIT_VOLT,
+            accuracy_decimals=1,
+            device_class=DEVICE_CLASS_VOLTAGE,
+            state_class=STATE_CLASS_MEASUREMENT,
+        ),
+        cv.Optional("voltage_l3"): sensor.sensor_schema(
+            unit_of_measurement=UNIT_VOLT,
+            accuracy_decimals=1,
+            device_class=DEVICE_CLASS_VOLTAGE,
+            state_class=STATE_CLASS_MEASUREMENT,
+        ),
+        cv.Optional("current_l1"): sensor.sensor_schema(
+            unit_of_measurement=UNIT_AMPERE,
+            accuracy_decimals=2,
+            device_class=DEVICE_CLASS_CURRENT,
+            state_class=STATE_CLASS_MEASUREMENT,
+        ),
+        cv.Optional("current_l2"): sensor.sensor_schema(
+            unit_of_measurement=UNIT_AMPERE,
+            accuracy_decimals=2,
+            device_class=DEVICE_CLASS_CURRENT,
+            state_class=STATE_CLASS_MEASUREMENT,
+        ),
+        cv.Optional("current_l3"): sensor.sensor_schema(
+            unit_of_measurement=UNIT_AMPERE,
+            accuracy_decimals=2,
+            device_class=DEVICE_CLASS_CURRENT,
+            state_class=STATE_CLASS_MEASUREMENT,
+        ),
+        cv.Optional("active_power_plus"): sensor.sensor_schema(
+            unit_of_measurement=UNIT_WATT,
+            accuracy_decimals=0,
+            device_class=DEVICE_CLASS_POWER,
+            state_class=STATE_CLASS_MEASUREMENT,
+        ),
+        cv.Optional("active_power_minus"): sensor.sensor_schema(
+            unit_of_measurement=UNIT_WATT,
+            accuracy_decimals=0,
+            device_class=DEVICE_CLASS_POWER,
+            state_class=STATE_CLASS_MEASUREMENT,
+        ),
+        cv.Optional("active_energy_plus"): sensor.sensor_schema(
+            unit_of_measurement=UNIT_WATT_HOURS,
+            accuracy_decimals=0,
+            device_class=DEVICE_CLASS_ENERGY,
+            state_class=STATE_CLASS_TOTAL_INCREASING,
+        ),
+        cv.Optional("active_energy_minus"): sensor.sensor_schema(
+            unit_of_measurement=UNIT_WATT_HOURS,
+            accuracy_decimals=0,
+            device_class=DEVICE_CLASS_ENERGY,
+            state_class=STATE_CLASS_TOTAL_INCREASING,
+        ),
+        cv.Optional("reactive_energy_plus"): sensor.sensor_schema(
+            unit_of_measurement=UNIT_WATT_HOURS,
+            accuracy_decimals=0,
+            device_class=DEVICE_CLASS_ENERGY,
+            state_class=STATE_CLASS_TOTAL_INCREASING,
+        ),
+        cv.Optional("reactive_energy_minus"): sensor.sensor_schema(
+            unit_of_measurement=UNIT_WATT_HOURS,
+            accuracy_decimals=0,
+            device_class=DEVICE_CLASS_ENERGY,
+            state_class=STATE_CLASS_TOTAL_INCREASING,
+        ),
+        # Netz NOE
+        cv.Optional("power_factor"): sensor.sensor_schema(
+            accuracy_decimals=3,
+            device_class=DEVICE_CLASS_POWER_FACTOR,
+            state_class=STATE_CLASS_MEASUREMENT,
+        ),
+    }
+).extend(cv.COMPONENT_SCHEMA)
+
+
+async def to_code(config):
+    hub = await cg.get_variable(config[CONF_DLMS_METER_ID])
+
+    sensors = []
+    for key, conf in config.items():
+        if not isinstance(conf, dict):
+            continue
+        id = conf[CONF_ID]
+        if id and id.type == sensor.Sensor:
+            sens = await sensor.new_sensor(conf)
+            cg.add(getattr(hub, f"set_{key}_sensor")(sens))
+            sensors.append(f"F({key})")
+
+    if sensors:
+        cg.add_define(
+            "DLMS_METER_SENSOR_LIST(F, sep)", cg.RawExpression(" sep ".join(sensors))
+        )

esphome/components/dlms_meter/text_sensor/__init__.py

@@ -0,0 +1,37 @@
+import esphome.codegen as cg
+from esphome.components import text_sensor
+import esphome.config_validation as cv
+from esphome.const import CONF_ID
+
+from .. import CONF_DLMS_METER_ID, DlmsMeterComponent
+
+AUTO_LOAD = ["dlms_meter"]
+
+CONFIG_SCHEMA = cv.Schema(
+    {
+        cv.GenerateID(CONF_DLMS_METER_ID): cv.use_id(DlmsMeterComponent),
+        cv.Optional("timestamp"): text_sensor.text_sensor_schema(),
+        # Netz NOE
+        cv.Optional("meternumber"): text_sensor.text_sensor_schema(),
+    }
+).extend(cv.COMPONENT_SCHEMA)
+
+
+async def to_code(config):
+    hub = await cg.get_variable(config[CONF_DLMS_METER_ID])
+
+    text_sensors = []
+    for key, conf in config.items():
+        if not isinstance(conf, dict):
+            continue
+        id = conf[CONF_ID]
+        if id and id.type == text_sensor.TextSensor:
+            sens = await text_sensor.new_text_sensor(conf)
+            cg.add(getattr(hub, f"set_{key}_text_sensor")(sens))
+            text_sensors.append(f"F({key})")
+
+    if text_sensors:
+        cg.add_define(
+            "DLMS_METER_TEXT_SENSOR_LIST(F, sep)",
+            cg.RawExpression(" sep ".join(text_sensors)),
+        )

esphome/components/duty_time/duty_time_sensor.cpp

@@ -41,7 +41,7 @@ void DutyTimeSensor::setup() {
   uint32_t seconds = 0;
 
   if (this->restore_) {
-    this->pref_ = global_preferences->make_preference<uint32_t>(this->get_preference_hash());
+    this->pref_ = this->make_entity_preference<uint32_t>();
     this->pref_.load(&seconds);
   }
 

esphome/components/endstop/endstop_cover.cpp

@@ -141,15 +141,15 @@ void EndstopCover::start_direction_(CoverOperation dir) {
   Trigger<> *trig;
   switch (dir) {
     case COVER_OPERATION_IDLE:
-      trig = this->stop_trigger_;
+      trig = &this->stop_trigger_;
       break;
     case COVER_OPERATION_OPENING:
       this->last_operation_ = dir;
-      trig = this->open_trigger_;
+      trig = &this->open_trigger_;
       break;
     case COVER_OPERATION_CLOSING:
       this->last_operation_ = dir;
-      trig = this->close_trigger_;
+      trig = &this->close_trigger_;
       break;
     default:
       return;

esphome/components/endstop/endstop_cover.h

@@ -15,9 +15,9 @@ class EndstopCover : public cover::Cover, public Component {
   void dump_config() override;
   float get_setup_priority() const override;
 
-  Trigger<> *get_open_trigger() const { return this->open_trigger_; }
+  Trigger<> *get_open_trigger() { return &this->open_trigger_; }
-  Trigger<> *get_close_trigger() const { return this->close_trigger_; }
+  Trigger<> *get_close_trigger() { return &this->close_trigger_; }
-  Trigger<> *get_stop_trigger() const { return this->stop_trigger_; }
+  Trigger<> *get_stop_trigger() { return &this->stop_trigger_; }
   void set_open_endstop(binary_sensor::BinarySensor *open_endstop) { this->open_endstop_ = open_endstop; }
   void set_close_endstop(binary_sensor::BinarySensor *close_endstop) { this->close_endstop_ = close_endstop; }
   void set_open_duration(uint32_t open_duration) { this->open_duration_ = open_duration; }
@@ -39,11 +39,11 @@ class EndstopCover : public cover::Cover, public Component {
 
   binary_sensor::BinarySensor *open_endstop_;
   binary_sensor::BinarySensor *close_endstop_;
-  Trigger<> *open_trigger_{new Trigger<>()};
+  Trigger<> open_trigger_;
   uint32_t open_duration_;
-  Trigger<> *close_trigger_{new Trigger<>()};
+  Trigger<> close_trigger_;
   uint32_t close_duration_;
-  Trigger<> *stop_trigger_{new Trigger<>()};
+  Trigger<> stop_trigger_;
   uint32_t max_duration_{UINT32_MAX};
 
   Trigger<> *prev_command_trigger_{nullptr};

esphome/components/es8156/audio_dac.py

@@ -2,7 +2,8 @@ import esphome.codegen as cg
 from esphome.components import i2c
 from esphome.components.audio_dac import AudioDac
 import esphome.config_validation as cv
-from esphome.const import CONF_ID
+from esphome.const import CONF_AUDIO_DAC, CONF_BITS_PER_SAMPLE, CONF_ID
+import esphome.final_validate as fv
 
 CODEOWNERS = ["@kbx81"]
 DEPENDENCIES = ["i2c"]
@@ -21,6 +22,29 @@ CONFIG_SCHEMA = (
 )
 
 
+def _final_validate(config):
+    full_config = fv.full_config.get()
+
+    # Check all speaker configurations for ones that reference this es8156
+    speaker_configs = full_config.get("speaker", [])
+    for speaker_config in speaker_configs:
+        audio_dac_id = speaker_config.get(CONF_AUDIO_DAC)
+        if (
+            audio_dac_id is not None
+            and audio_dac_id == config[CONF_ID]
+            and (bits_per_sample := speaker_config.get(CONF_BITS_PER_SAMPLE))
+            is not None
+            and bits_per_sample > 24
+        ):
+            raise cv.Invalid(
+                f"ES8156 does not support more than 24 bits per sample. "
+                f"The speaker referencing this audio_dac has bits_per_sample set to {bits_per_sample}."
+            )
+
+
+FINAL_VALIDATE_SCHEMA = _final_validate
+
+
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     await cg.register_component(var, config)

esphome/components/es8156/es8156.cpp

@@ -17,24 +17,61 @@ static const char *const TAG = "es8156";
   }
 
 void ES8156::setup() {
+  // REG02 MODE CONFIG 1: Enable software mode for I2C control of volume/mute
+  // Bit 2: SOFT_MODE_SEL=1 (software mode enabled)
   ES8156_ERROR_FAILED(this->write_byte(ES8156_REG02_SCLK_MODE, 0x04));
+
+  // Analog system configuration (active-low power down bits, active-high enables)
+  // REG20 ANALOG SYSTEM: Configure analog signal path
   ES8156_ERROR_FAILED(this->write_byte(ES8156_REG20_ANALOG_SYS1, 0x2A));
+
+  // REG21 ANALOG SYSTEM: VSEL=0x1C (bias level ~120%), normal VREF ramp speed
   ES8156_ERROR_FAILED(this->write_byte(ES8156_REG21_ANALOG_SYS2, 0x3C));
+
+  // REG22 ANALOG SYSTEM: Line out mode (HPSW=0), OUT_MUTE=0 (not muted)
   ES8156_ERROR_FAILED(this->write_byte(ES8156_REG22_ANALOG_SYS3, 0x00));
+
+  // REG24 ANALOG SYSTEM: Low power mode for VREFBUF, HPCOM, DACVRP; DAC normal power
+  // Bits 2:0 = 0x07: LPVREFBUF=1, LPHPCOM=1, LPDACVRP=1, LPDAC=0
   ES8156_ERROR_FAILED(this->write_byte(ES8156_REG24_ANALOG_LP, 0x07));
+
+  // REG23 ANALOG SYSTEM: Lowest bias (IBIAS_SW=0), VMIDLVL=VDDA/2, normal impedance
   ES8156_ERROR_FAILED(this->write_byte(ES8156_REG23_ANALOG_SYS4, 0x00));
 
+  // Timing and interface configuration
+  // REG0A/0B TIME CONTROL: Fast state machine transitions
   ES8156_ERROR_FAILED(this->write_byte(ES8156_REG0A_TIME_CONTROL1, 0x01));
   ES8156_ERROR_FAILED(this->write_byte(ES8156_REG0B_TIME_CONTROL2, 0x01));
+
+  // REG11 SDP INTERFACE CONFIG: Default I2S format (24-bit, I2S mode)
   ES8156_ERROR_FAILED(this->write_byte(ES8156_REG11_DAC_SDP, 0x00));
+
+  // REG19 EQ CONTROL 1: EQ disabled (EQ_ON=0), EQ_BAND_NUM=2
   ES8156_ERROR_FAILED(this->write_byte(ES8156_REG19_EQ_CONTROL1, 0x20));
 
+  // REG0D P2S CONTROL: Parallel-to-serial converter settings
   ES8156_ERROR_FAILED(this->write_byte(ES8156_REG0D_P2S_CONTROL, 0x14));
+
+  // REG09 MISC CONTROL 2: Default settings
   ES8156_ERROR_FAILED(this->write_byte(ES8156_REG09_MISC_CONTROL2, 0x00));
+
+  // REG18 MISC CONTROL 3: Stereo channel routing, no inversion
+  // Bits 5:4 CHN_CROSS: 0=L→L/R→R, 1=L to both, 2=R to both, 3=swap L/R
+  // Bits 3:2: LCH_INV/RCH_INV channel inversion
   ES8156_ERROR_FAILED(this->write_byte(ES8156_REG18_MISC_CONTROL3, 0x00));
+
+  // REG08 CLOCK OFF: Enable all internal clocks (0x3F = all clock gates open)
   ES8156_ERROR_FAILED(this->write_byte(ES8156_REG08_CLOCK_ON_OFF, 0x3F));
+
+  // REG00 RESET CONTROL: Reset sequence
+  // First: RST_DIG=1 (assert digital reset)
   ES8156_ERROR_FAILED(this->write_byte(ES8156_REG00_RESET, 0x02));
+  // Then: CSM_ON=1 (enable chip state machine), RST_DIG=1
   ES8156_ERROR_FAILED(this->write_byte(ES8156_REG00_RESET, 0x03));
+
+  // REG25 ANALOG SYSTEM: Power up analog blocks
+  // VMIDSEL=2 (normal VMID operation), PDN_ANA=0, ENREFR=0, ENHPCOM=0
+  // PDN_DACVREFGEN=0, PDN_VREFBUF=0, PDN_DAC=0 (all enabled)
   ES8156_ERROR_FAILED(this->write_byte(ES8156_REG25_ANALOG_SYS5, 0x20));
 }
 

esphome/components/esp32/__init__.py

@@ -53,8 +53,10 @@ from .const import (  # noqa
     KEY_BOARD,
     KEY_COMPONENTS,
     KEY_ESP32,
+    KEY_EXCLUDE_COMPONENTS,
     KEY_EXTRA_BUILD_FILES,
     KEY_FLASH_SIZE,
+    KEY_FULL_CERT_BUNDLE,
     KEY_PATH,
     KEY_REF,
     KEY_REPO,
@@ -85,6 +87,7 @@ IS_TARGET_PLATFORM = True
 CONF_ASSERTION_LEVEL = "assertion_level"
 CONF_COMPILER_OPTIMIZATION = "compiler_optimization"
 CONF_ENABLE_IDF_EXPERIMENTAL_FEATURES = "enable_idf_experimental_features"
+CONF_INCLUDE_BUILTIN_IDF_COMPONENTS = "include_builtin_idf_components"
 CONF_ENABLE_LWIP_ASSERT = "enable_lwip_assert"
 CONF_ENABLE_OTA_ROLLBACK = "enable_ota_rollback"
 CONF_EXECUTE_FROM_PSRAM = "execute_from_psram"
@@ -113,6 +116,42 @@ COMPILER_OPTIMIZATIONS = {
     "SIZE": "CONFIG_COMPILER_OPTIMIZATION_SIZE",
 }
 
+# ESP-IDF components excluded by default to reduce compile time.
+# Components can be re-enabled by calling include_builtin_idf_component() in to_code().
+#
+# Cannot be excluded (dependencies of required components):
+# - "console": espressif/mdns unconditionally depends on it
+# - "sdmmc": driver -> esp_driver_sdmmc -> sdmmc dependency chain
+DEFAULT_EXCLUDED_IDF_COMPONENTS = (
+    "cmock",  # Unit testing mock framework - ESPHome doesn't use IDF's testing
+    "driver",  # Legacy driver shim - only needed by esp32_touch, esp32_can for legacy headers
+    "esp_adc",  # ADC driver - only needed by adc component
+    "esp_driver_dac",  # DAC driver - only needed by esp32_dac component
+    "esp_driver_i2s",  # I2S driver - only needed by i2s_audio component
+    "esp_driver_mcpwm",  # MCPWM driver - ESPHome doesn't use motor control PWM
+    "esp_driver_rmt",  # RMT driver - only needed by remote_transmitter/receiver, neopixelbus
+    "esp_driver_touch_sens",  # Touch sensor driver - only needed by esp32_touch
+    "esp_driver_twai",  # TWAI/CAN driver - only needed by esp32_can component
+    "esp_eth",  # Ethernet driver - only needed by ethernet component
+    "esp_hid",  # HID host/device support - ESPHome doesn't implement HID functionality
+    "esp_http_client",  # HTTP client - only needed by http_request component
+    "esp_https_ota",  # ESP-IDF HTTPS OTA - ESPHome has its own OTA implementation
+    "esp_https_server",  # HTTPS server - ESPHome has its own web server
+    "esp_lcd",  # LCD controller drivers - only needed by display component
+    "esp_local_ctrl",  # Local control over HTTPS/BLE - ESPHome has native API
+    "espcoredump",  # Core dump support - ESPHome has its own debug component
+    "fatfs",  # FAT filesystem - ESPHome doesn't use filesystem storage
+    "mqtt",  # ESP-IDF MQTT library - ESPHome has its own MQTT implementation
+    "openthread",  # Thread protocol - only needed by openthread component
+    "perfmon",  # Xtensa performance monitor - ESPHome has its own debug component
+    "protocomm",  # Protocol communication for provisioning - unused by ESPHome
+    "spiffs",  # SPIFFS filesystem - ESPHome doesn't use filesystem storage (IDF only)
+    "ulp",  # ULP coprocessor - not currently used by any ESPHome component
+    "unity",  # Unit testing framework - ESPHome doesn't use IDF's testing
+    "wear_levelling",  # Flash wear levelling for fatfs - unused since fatfs unused
+    "wifi_provisioning",  # WiFi provisioning - ESPHome uses its own improv implementation
+)
+
 # ESP32 (original) chip revision options
 # Setting minimum revision to 3.0 or higher:
 # - Reduces flash size by excluding workaround code for older chip bugs
@@ -202,6 +241,9 @@ def set_core_data(config):
             )
     CORE.data[KEY_ESP32][KEY_SDKCONFIG_OPTIONS] = {}
     CORE.data[KEY_ESP32][KEY_COMPONENTS] = {}
+    # Initialize with default exclusions - components can call include_builtin_idf_component()
+    # to re-enable any they need
+    CORE.data[KEY_ESP32][KEY_EXCLUDE_COMPONENTS] = set(DEFAULT_EXCLUDED_IDF_COMPONENTS)
     CORE.data[KEY_CORE][KEY_FRAMEWORK_VERSION] = cv.Version.parse(
         config[CONF_FRAMEWORK][CONF_VERSION]
     )
@@ -327,6 +369,28 @@ def add_idf_component(
         }
 
 
+def exclude_builtin_idf_component(name: str) -> None:
+    """Exclude an ESP-IDF component from the build.
+
+    This reduces compile time by skipping components that are not needed.
+    The component will be passed to ESP-IDF's EXCLUDE_COMPONENTS cmake variable.
+
+    Note: Components that are dependencies of other required components
+    cannot be excluded - ESP-IDF will still build them.
+    """
+    CORE.data[KEY_ESP32][KEY_EXCLUDE_COMPONENTS].add(name)
+
+
+def include_builtin_idf_component(name: str) -> None:
+    """Remove an ESP-IDF component from the exclusion list.
+
+    Call this from components that need an ESP-IDF component that is
+    excluded by default in DEFAULT_EXCLUDED_IDF_COMPONENTS. This ensures the
+    component will be built when needed.
+    """
+    CORE.data[KEY_ESP32][KEY_EXCLUDE_COMPONENTS].discard(name)
+
+
 def add_extra_script(stage: str, filename: str, path: Path):
     """Add an extra script to the project."""
     key = f"{stage}:{filename}"
@@ -670,11 +734,27 @@ CONF_FREERTOS_IN_IRAM = "freertos_in_iram"
 CONF_RINGBUF_IN_IRAM = "ringbuf_in_iram"
 CONF_HEAP_IN_IRAM = "heap_in_iram"
 CONF_LOOP_TASK_STACK_SIZE = "loop_task_stack_size"
+CONF_USE_FULL_CERTIFICATE_BUNDLE = "use_full_certificate_bundle"
+CONF_DISABLE_DEBUG_STUBS = "disable_debug_stubs"
+CONF_DISABLE_OCD_AWARE = "disable_ocd_aware"
+CONF_DISABLE_USB_SERIAL_JTAG_SECONDARY = "disable_usb_serial_jtag_secondary"
+CONF_DISABLE_DEV_NULL_VFS = "disable_dev_null_vfs"
+CONF_DISABLE_MBEDTLS_PEER_CERT = "disable_mbedtls_peer_cert"
+CONF_DISABLE_MBEDTLS_PKCS7 = "disable_mbedtls_pkcs7"
+CONF_DISABLE_REGI2C_IN_IRAM = "disable_regi2c_in_iram"
+CONF_DISABLE_FATFS = "disable_fatfs"
 
 # VFS requirement tracking
-# Components that need VFS features can call require_vfs_select() or require_vfs_dir()
+# Components that need VFS features can call require_vfs_*() functions
 KEY_VFS_SELECT_REQUIRED = "vfs_select_required"
 KEY_VFS_DIR_REQUIRED = "vfs_dir_required"
+KEY_VFS_TERMIOS_REQUIRED = "vfs_termios_required"
+# Feature requirement tracking - components can call require_* functions to re-enable
+# These are stored in CORE.data[KEY_ESP32] dict
+KEY_USB_SERIAL_JTAG_SECONDARY_REQUIRED = "usb_serial_jtag_secondary_required"
+KEY_MBEDTLS_PEER_CERT_REQUIRED = "mbedtls_peer_cert_required"
+KEY_MBEDTLS_PKCS7_REQUIRED = "mbedtls_pkcs7_required"
+KEY_FATFS_REQUIRED = "fatfs_required"
 
 
 def require_vfs_select() -> None:
@@ -695,6 +775,64 @@ def require_vfs_dir() -> None:
     CORE.data[KEY_VFS_DIR_REQUIRED] = True
 
 
+def require_vfs_termios() -> None:
+    """Mark that VFS termios support is required by a component.
+
+    Call this from components that use terminal I/O functions (usb_serial_jtag_vfs_*, etc.).
+    This prevents CONFIG_VFS_SUPPORT_TERMIOS from being disabled.
+    """
+    CORE.data[KEY_VFS_TERMIOS_REQUIRED] = True
+
+
+def require_full_certificate_bundle() -> None:
+    """Request the full certificate bundle instead of the common-CAs-only bundle.
+
+    By default, ESPHome uses CONFIG_MBEDTLS_CERTIFICATE_BUNDLE_DEFAULT_CMN which
+    includes only CAs with >1% market share (~51 KB smaller than full bundle).
+    This covers ~99% of websites including Let's Encrypt, DigiCert, Google, Amazon.
+
+    Call this from components that need to connect to services using uncommon CAs.
+    """
+    CORE.data[KEY_ESP32][KEY_FULL_CERT_BUNDLE] = True
+
+
+def require_usb_serial_jtag_secondary() -> None:
+    """Mark that USB Serial/JTAG secondary console is required by a component.
+
+    Call this from components (e.g., logger) that need USB Serial/JTAG console output.
+    This prevents CONFIG_ESP_CONSOLE_SECONDARY_USB_SERIAL_JTAG from being disabled.
+    """
+    CORE.data[KEY_ESP32][KEY_USB_SERIAL_JTAG_SECONDARY_REQUIRED] = True
+
+
+def require_mbedtls_peer_cert() -> None:
+    """Mark that mbedTLS peer certificate retention is required by a component.
+
+    Call this from components that need access to the peer certificate after
+    the TLS handshake is complete. This prevents CONFIG_MBEDTLS_SSL_KEEP_PEER_CERTIFICATE
+    from being disabled.
+    """
+    CORE.data[KEY_ESP32][KEY_MBEDTLS_PEER_CERT_REQUIRED] = True
+
+
+def require_mbedtls_pkcs7() -> None:
+    """Mark that mbedTLS PKCS#7 support is required by a component.
+
+    Call this from components that need PKCS#7 certificate validation.
+    This prevents CONFIG_MBEDTLS_PKCS7_C from being disabled.
+    """
+    CORE.data[KEY_ESP32][KEY_MBEDTLS_PKCS7_REQUIRED] = True
+
+
+def require_fatfs() -> None:
+    """Mark that FATFS support is required by a component.
+
+    Call this from components that use FATFS (e.g., SD card, storage components).
+    This prevents FATFS from being disabled when disable_fatfs is set.
+    """
+    CORE.data[KEY_ESP32][KEY_FATFS_REQUIRED] = True
+
+
 def _parse_idf_component(value: str) -> ConfigType:
     """Parse IDF component shorthand syntax like 'owner/component^version'"""
     # Match operator followed by version-like string (digit or *)
@@ -776,6 +914,22 @@ FRAMEWORK_SCHEMA = cv.Schema(
                     min=8192, max=32768
                 ),
                 cv.Optional(CONF_ENABLE_OTA_ROLLBACK, default=True): cv.boolean,
+                cv.Optional(
+                    CONF_USE_FULL_CERTIFICATE_BUNDLE, default=False
+                ): cv.boolean,
+                cv.Optional(
+                    CONF_INCLUDE_BUILTIN_IDF_COMPONENTS, default=[]
+                ): cv.ensure_list(cv.string_strict),
+                cv.Optional(CONF_DISABLE_DEBUG_STUBS, default=True): cv.boolean,
+                cv.Optional(CONF_DISABLE_OCD_AWARE, default=True): cv.boolean,
+                cv.Optional(
+                    CONF_DISABLE_USB_SERIAL_JTAG_SECONDARY, default=True
+                ): cv.boolean,
+                cv.Optional(CONF_DISABLE_DEV_NULL_VFS, default=True): cv.boolean,
+                cv.Optional(CONF_DISABLE_MBEDTLS_PEER_CERT, default=True): cv.boolean,
+                cv.Optional(CONF_DISABLE_MBEDTLS_PKCS7, default=True): cv.boolean,
+                cv.Optional(CONF_DISABLE_REGI2C_IN_IRAM, default=True): cv.boolean,
+                cv.Optional(CONF_DISABLE_FATFS, default=True): cv.boolean,
             }
         ),
         cv.Optional(CONF_COMPONENTS, default=[]): cv.ensure_list(
@@ -965,6 +1119,19 @@ def _configure_lwip_max_sockets(conf: dict) -> None:
     add_idf_sdkconfig_option("CONFIG_LWIP_MAX_SOCKETS", max_sockets)
 
 
+@coroutine_with_priority(CoroPriority.FINAL)
+async def _write_exclude_components() -> None:
+    """Write EXCLUDE_COMPONENTS cmake arg after all components have registered exclusions."""
+    if KEY_ESP32 not in CORE.data:
+        return
+    excluded = CORE.data[KEY_ESP32].get(KEY_EXCLUDE_COMPONENTS)
+    if excluded:
+        exclude_list = ";".join(sorted(excluded))
+        cg.add_platformio_option(
+            "board_build.cmake_extra_args", f"-DEXCLUDE_COMPONENTS={exclude_list}"
+        )
+
+
 @coroutine_with_priority(CoroPriority.FINAL)
 async def _add_yaml_idf_components(components: list[ConfigType]):
     """Add IDF components from YAML config with final priority to override code-added components."""
@@ -1048,6 +1215,19 @@ async def to_code(config):
         cg.add_build_flag("-DUSE_ESP32_FRAMEWORK_ESP_IDF")
         if use_platformio:
             cg.add_platformio_option("framework", "espidf")
+
+        # Wrap std::__throw_* functions to abort immediately, eliminating ~3KB of
+        # exception class overhead. See throw_stubs.cpp for implementation.
+        # ESP-IDF already compiles with -fno-exceptions, so this code was dead anyway.
+        for mangled in [
+            "_ZSt20__throw_length_errorPKc",
+            "_ZSt19__throw_logic_errorPKc",
+            "_ZSt20__throw_out_of_rangePKc",
+            "_ZSt24__throw_out_of_range_fmtPKcz",
+            "_ZSt17__throw_bad_allocv",
+            "_ZSt25__throw_bad_function_callv",
+        ]:
+            cg.add_build_flag(f"-Wl,--wrap={mangled}")
     else:
         cg.add_build_flag("-DUSE_ARDUINO")
         cg.add_build_flag("-DUSE_ESP32_FRAMEWORK_ARDUINO")
@@ -1080,6 +1260,18 @@ async def to_code(config):
 
     cg.add_build_flag("-Wno-nonnull-compare")
 
+    # Use CMN (common CAs) bundle by default to save ~51KB flash
+    # CMN covers CAs with >1% market share (~99% of websites)
+    # Components needing uncommon CAs can call require_full_certificate_bundle()
+    use_full_bundle = conf[CONF_ADVANCED].get(
+        CONF_USE_FULL_CERTIFICATE_BUNDLE, False
+    ) or CORE.data[KEY_ESP32].get(KEY_FULL_CERT_BUNDLE, False)
+    add_idf_sdkconfig_option(
+        "CONFIG_MBEDTLS_CERTIFICATE_BUNDLE_DEFAULT_FULL", use_full_bundle
+    )
+    if not use_full_bundle:
+        add_idf_sdkconfig_option("CONFIG_MBEDTLS_CERTIFICATE_BUNDLE_DEFAULT_CMN", True)
+
     add_idf_sdkconfig_option(f"CONFIG_IDF_TARGET_{variant}", True)
     add_idf_sdkconfig_option(
         f"CONFIG_ESPTOOLPY_FLASHSIZE_{config[CONF_FLASH_SIZE]}", True
@@ -1143,6 +1335,10 @@ async def to_code(config):
     # Disable dynamic log level control to save memory
     add_idf_sdkconfig_option("CONFIG_LOG_DYNAMIC_LEVEL_CONTROL", False)
 
+    # Disable per-tag log level filtering since dynamic level control is disabled above
+    # This saves ~250 bytes of RAM (tag cache) and associated code
+    add_idf_sdkconfig_option("CONFIG_LOG_TAG_LEVEL_IMPL_NONE", True)
+
     # Reduce PHY TX power in the event of a brownout
     add_idf_sdkconfig_option("CONFIG_ESP_PHY_REDUCE_TX_POWER", True)
 
@@ -1153,6 +1349,11 @@ async def to_code(config):
 
     # Apply LWIP optimization settings
     advanced = conf[CONF_ADVANCED]
+
+    # Re-include any IDF components the user explicitly requested
+    for component_name in advanced.get(CONF_INCLUDE_BUILTIN_IDF_COMPONENTS, []):
+        include_builtin_idf_component(component_name)
+
     # DHCP server: only disable if explicitly set to false
     # WiFi component handles its own optimization when AP mode is not used
     # When using Arduino with Ethernet, DHCP server functions must be available
@@ -1191,11 +1392,18 @@ async def to_code(config):
         add_idf_sdkconfig_option("CONFIG_LIBC_LOCKS_PLACE_IN_IRAM", False)
 
     # Disable VFS support for termios (terminal I/O functions)
-    # ESPHome doesn't use termios functions on ESP32 (only used in host UART driver).
+    # USB Serial JTAG VFS functions require termios support.
+    # Components that need it (e.g., logger when USB_SERIAL_JTAG is supported but not selected
+    # as the logger output) call require_vfs_termios().
     # Saves approximately 1.8KB of flash when disabled (default).
-    add_idf_sdkconfig_option(
+    if CORE.data.get(KEY_VFS_TERMIOS_REQUIRED, False):
-        "CONFIG_VFS_SUPPORT_TERMIOS", not advanced[CONF_DISABLE_VFS_SUPPORT_TERMIOS]
+        # Component requires VFS termios - force enable regardless of user setting
-    )
+        add_idf_sdkconfig_option("CONFIG_VFS_SUPPORT_TERMIOS", True)
+    else:
+        # No component needs it - allow user to control (default: disabled)
+        add_idf_sdkconfig_option(
+            "CONFIG_VFS_SUPPORT_TERMIOS", not advanced[CONF_DISABLE_VFS_SUPPORT_TERMIOS]
+        )
 
     # Disable VFS support for select() with file descriptors
     # ESPHome only uses select() with sockets via lwip_select(), which still works.
@@ -1274,6 +1482,61 @@ async def to_code(config):
 
     add_idf_sdkconfig_option(f"CONFIG_LOG_DEFAULT_LEVEL_{conf[CONF_LOG_LEVEL]}", True)
 
+    # Disable OpenOCD debug stubs to save code size
+    # These are used for on-chip debugging with OpenOCD/JTAG, rarely needed for ESPHome
+    if advanced[CONF_DISABLE_DEBUG_STUBS]:
+        add_idf_sdkconfig_option("CONFIG_ESP_DEBUG_STUBS_ENABLE", False)
+
+    # Disable OCD-aware exception handlers
+    # When enabled, the panic handler detects JTAG debugger and halts instead of resetting
+    # Most ESPHome users don't use JTAG debugging
+    if advanced[CONF_DISABLE_OCD_AWARE]:
+        add_idf_sdkconfig_option("CONFIG_ESP_DEBUG_OCDAWARE", False)
+
+    # Disable USB Serial/JTAG secondary console
+    # Components like logger can call require_usb_serial_jtag_secondary() to re-enable
+    if CORE.data[KEY_ESP32].get(KEY_USB_SERIAL_JTAG_SECONDARY_REQUIRED, False):
+        add_idf_sdkconfig_option("CONFIG_ESP_CONSOLE_SECONDARY_USB_SERIAL_JTAG", True)
+    elif advanced[CONF_DISABLE_USB_SERIAL_JTAG_SECONDARY]:
+        add_idf_sdkconfig_option("CONFIG_ESP_CONSOLE_SECONDARY_NONE", True)
+
+    # Disable /dev/null VFS initialization
+    # ESPHome doesn't typically need /dev/null
+    if advanced[CONF_DISABLE_DEV_NULL_VFS]:
+        add_idf_sdkconfig_option("CONFIG_VFS_INITIALIZE_DEV_NULL", False)
+
+    # Disable keeping peer certificate after TLS handshake
+    # Saves ~4KB heap per connection, but prevents certificate inspection after handshake
+    # Components that need it can call require_mbedtls_peer_cert()
+    if CORE.data[KEY_ESP32].get(KEY_MBEDTLS_PEER_CERT_REQUIRED, False):
+        add_idf_sdkconfig_option("CONFIG_MBEDTLS_SSL_KEEP_PEER_CERTIFICATE", True)
+    elif advanced[CONF_DISABLE_MBEDTLS_PEER_CERT]:
+        add_idf_sdkconfig_option("CONFIG_MBEDTLS_SSL_KEEP_PEER_CERTIFICATE", False)
+
+    # Disable PKCS#7 support in mbedTLS
+    # Only needed for specific certificate validation scenarios
+    # Components that need it can call require_mbedtls_pkcs7()
+    if CORE.data[KEY_ESP32].get(KEY_MBEDTLS_PKCS7_REQUIRED, False):
+        # Component called require_mbedtls_pkcs7() - enable regardless of user setting
+        add_idf_sdkconfig_option("CONFIG_MBEDTLS_PKCS7_C", True)
+    elif advanced[CONF_DISABLE_MBEDTLS_PKCS7]:
+        add_idf_sdkconfig_option("CONFIG_MBEDTLS_PKCS7_C", False)
+
+    # Disable regi2c control functions in IRAM
+    # Only needed if using analog peripherals (ADC, DAC, etc.) from ISRs while cache is disabled
+    if advanced[CONF_DISABLE_REGI2C_IN_IRAM]:
+        add_idf_sdkconfig_option("CONFIG_ESP_REGI2C_CTRL_FUNC_IN_IRAM", False)
+
+    # Disable FATFS support
+    # Components that need FATFS (SD card, etc.) can call require_fatfs()
+    if CORE.data[KEY_ESP32].get(KEY_FATFS_REQUIRED, False):
+        # Component called require_fatfs() - enable regardless of user setting
+        add_idf_sdkconfig_option("CONFIG_FATFS_LFN_NONE", False)
+        add_idf_sdkconfig_option("CONFIG_FATFS_VOLUME_COUNT", 2)
+    elif advanced[CONF_DISABLE_FATFS]:
+        add_idf_sdkconfig_option("CONFIG_FATFS_LFN_NONE", True)
+        add_idf_sdkconfig_option("CONFIG_FATFS_VOLUME_COUNT", 0)
+
     for name, value in conf[CONF_SDKCONFIG_OPTIONS].items():
         add_idf_sdkconfig_option(name, RawSdkconfigValue(value))
 
@@ -1282,6 +1545,11 @@ async def to_code(config):
     if conf[CONF_COMPONENTS]:
         CORE.add_job(_add_yaml_idf_components, conf[CONF_COMPONENTS])
 
+    # Write EXCLUDE_COMPONENTS at FINAL priority after all components have had
+    # a chance to call include_builtin_idf_component() to re-enable components they need.
+    # Default exclusions are added in set_core_data() during config validation.
+    CORE.add_job(_write_exclude_components)
+
 
 APP_PARTITION_SIZES = {
     "2MB": 0x0C0000,  # 768 KB

esphome/components/esp32/boards.py

@@ -175,6 +175,32 @@ ESP32_BOARD_PINS = {
         "LED": 13,
         "LED_BUILTIN": 13,
     },
+    "adafruit_feather_esp32s3_reversetft": {
+        "BUTTON": 0,
+        "A0": 18,
+        "A1": 17,
+        "A2": 16,
+        "A3": 15,
+        "A4": 14,
+        "A5": 8,
+        "SCK": 36,
+        "MOSI": 35,
+        "MISO": 37,
+        "RX": 38,
+        "TX": 39,
+        "SCL": 4,
+        "SDA": 3,
+        "NEOPIXEL": 33,
+        "PIN_NEOPIXEL": 33,
+        "NEOPIXEL_POWER": 21,
+        "TFT_I2C_POWER": 7,
+        "TFT_CS": 42,
+        "TFT_DC": 40,
+        "TFT_RESET": 41,
+        "TFT_BACKLIGHT": 45,
+        "LED": 13,
+        "LED_BUILTIN": 13,
+    },
     "adafruit_feather_esp32s3_tft": {
         "BUTTON": 0,
         "A0": 18,

esphome/components/esp32/const.py

@@ -6,12 +6,14 @@ KEY_FLASH_SIZE = "flash_size"
 KEY_VARIANT = "variant"
 KEY_SDKCONFIG_OPTIONS = "sdkconfig_options"
 KEY_COMPONENTS = "components"
+KEY_EXCLUDE_COMPONENTS = "exclude_components"
 KEY_REPO = "repo"
 KEY_REF = "ref"
 KEY_REFRESH = "refresh"
 KEY_PATH = "path"
 KEY_SUBMODULES = "submodules"
 KEY_EXTRA_BUILD_FILES = "extra_build_files"
+KEY_FULL_CERT_BUNDLE = "full_cert_bundle"
 
 VARIANT_ESP32 = "ESP32"
 VARIANT_ESP32C2 = "ESP32C2"

esphome/components/esp32/preferences.cpp

@@ -203,10 +203,11 @@ class ESP32Preferences : public ESPPreferences {
   }
 };
 
+static ESP32Preferences s_preferences;  // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
+
 void setup_preferences() {
-  auto *prefs = new ESP32Preferences();  // NOLINT(cppcoreguidelines-owning-memory)
+  s_preferences.open();
-  prefs->open();
+  global_preferences = &s_preferences;
-  global_preferences = prefs;
 }
 
 }  // namespace esp32

esphome/components/esp32/throw_stubs.cpp

@@ -0,0 +1,57 @@
+/*
+ * Linker wrap stubs for std::__throw_* functions.
+ *
+ * ESP-IDF compiles with -fno-exceptions, so C++ exceptions always abort.
+ * However, ESP-IDF only wraps low-level functions (__cxa_throw, etc.),
+ * not the std::__throw_* functions that construct exception objects first.
+ * This pulls in ~3KB of dead exception class code that can never run.
+ *
+ * ESP8266 Arduino already solved this: their toolchain rebuilds libstdc++
+ * with throw functions that just call abort(). We achieve the same result
+ * using linker --wrap without requiring toolchain changes.
+ *
+ * These stubs abort immediately with a descriptive message, allowing
+ * the linker to dead-code eliminate the exception class infrastructure.
+ *
+ * Wrapped functions and their callers:
+ * - std::__throw_length_error: std::string::reserve, std::vector::reserve
+ * - std::__throw_logic_error: std::promise, std::packaged_task
+ * - std::__throw_out_of_range: std::string::at, std::vector::at
+ * - std::__throw_out_of_range_fmt: std::bitset::to_ulong
+ * - std::__throw_bad_alloc: operator new
+ * - std::__throw_bad_function_call: std::function::operator()
+ */
+
+#ifdef USE_ESP_IDF
+#include "esp_system.h"
+
+namespace esphome::esp32 {}
+
+// Linker wraps for std::__throw_* - must be extern "C" at global scope.
+// Names must be __wrap_ + mangled name for the linker's --wrap option.
+
+// NOLINTBEGIN(bugprone-reserved-identifier,cert-dcl37-c,cert-dcl51-cpp,readability-identifier-naming)
+extern "C" {
+
+// std::__throw_length_error(char const*) - called when container size exceeds max_size()
+void __wrap__ZSt20__throw_length_errorPKc(const char *) { esp_system_abort("std::length_error"); }
+
+// std::__throw_logic_error(char const*) - called for logic errors (e.g., promise already satisfied)
+void __wrap__ZSt19__throw_logic_errorPKc(const char *) { esp_system_abort("std::logic_error"); }
+
+// std::__throw_out_of_range(char const*) - called by at() when index is out of bounds
+void __wrap__ZSt20__throw_out_of_rangePKc(const char *) { esp_system_abort("std::out_of_range"); }
+
+// std::__throw_out_of_range_fmt(char const*, ...) - called by bitset::to_ulong when value doesn't fit
+void __wrap__ZSt24__throw_out_of_range_fmtPKcz(const char *, ...) { esp_system_abort("std::out_of_range"); }
+
+// std::__throw_bad_alloc() - called when operator new fails
+void __wrap__ZSt17__throw_bad_allocv() { esp_system_abort("std::bad_alloc"); }
+
+// std::__throw_bad_function_call() - called when invoking empty std::function
+void __wrap__ZSt25__throw_bad_function_callv() { esp_system_abort("std::bad_function_call"); }
+
+}  // extern "C"
+// NOLINTEND(bugprone-reserved-identifier,cert-dcl37-c,cert-dcl51-cpp,readability-identifier-naming)
+
+#endif  // USE_ESP_IDF

esphome/components/esp32_can/canbus.py

@@ -15,6 +15,7 @@ from esphome.components.esp32 import (
     VARIANT_ESP32S2,
     VARIANT_ESP32S3,
     get_esp32_variant,
+    include_builtin_idf_component,
 )
 import esphome.config_validation as cv
 from esphome.const import (
@@ -121,6 +122,10 @@ def get_default_tx_enqueue_timeout(bit_rate):
 
 
 async def to_code(config):
+    # Legacy driver component provides driver/twai.h header
+    include_builtin_idf_component("driver")
+    # Also enable esp_driver_twai for future migration to new API
+    include_builtin_idf_component("esp_driver_twai")
     var = cg.new_Pvariable(config[CONF_ID])
     await canbus.register_canbus(var, config)
 

esphome/components/esp32_dac/output.py

@@ -1,7 +1,12 @@
 from esphome import pins
 import esphome.codegen as cg
 from esphome.components import output
-from esphome.components.esp32 import VARIANT_ESP32, VARIANT_ESP32S2, get_esp32_variant
+from esphome.components.esp32 import (
+    VARIANT_ESP32,
+    VARIANT_ESP32S2,
+    get_esp32_variant,
+    include_builtin_idf_component,
+)
 import esphome.config_validation as cv
 from esphome.const import CONF_ID, CONF_NUMBER, CONF_PIN
 
@@ -38,6 +43,7 @@ CONFIG_SCHEMA = output.FLOAT_OUTPUT_SCHEMA.extend(
 
 
 async def to_code(config):
+    include_builtin_idf_component("esp_driver_dac")
     var = cg.new_Pvariable(config[CONF_ID])
     await cg.register_component(var, config)
     await output.register_output(var, config)

esphome/components/esp32_hosted/update/esp32_hosted_update.cpp

@@ -34,14 +34,29 @@ static const char *const ESP_HOSTED_VERSION_STR = STRINGIFY(ESP_HOSTED_VERSION_M
     ESP_HOSTED_VERSION_MINOR_1) "." STRINGIFY(ESP_HOSTED_VERSION_PATCH_1);
 
 #ifdef USE_ESP32_HOSTED_HTTP_UPDATE
+// Parse an integer from str, advancing ptr past the number
+// Returns false if no digits were parsed
+static bool parse_int(const char *&ptr, int &value) {
+  char *end;
+  value = static_cast<int>(strtol(ptr, &end, 10));
+  if (end == ptr)
+    return false;
+  ptr = end;
+  return true;
+}
+
 // Parse version string "major.minor.patch" into components
-// Returns true if parsing succeeded
+// Returns true if at least major.minor was parsed
 static bool parse_version(const std::string &version_str, int &major, int &minor, int &patch) {
   major = minor = patch = 0;
-  if (sscanf(version_str.c_str(), "%d.%d.%d", &major, &minor, &patch) >= 2) {
+  const char *ptr = version_str.c_str();
-    return true;
+
-  }
+  if (!parse_int(ptr, major) || *ptr++ != '.' || !parse_int(ptr, minor))
-  return false;
+    return false;
+  if (*ptr == '.')
+    parse_int(++ptr, patch);
+
+  return true;
 }
 
 // Compare two versions, returns:
@@ -196,11 +211,14 @@ bool Esp32HostedUpdate::fetch_manifest_() {
     int read_or_error = container->read(buf, sizeof(buf));
     App.feed_wdt();
     yield();
-    auto result = http_request::http_read_loop_result(read_or_error, last_data_time, read_timeout);
+    auto result =
+        http_request::http_read_loop_result(read_or_error, last_data_time, read_timeout, container->is_read_complete());
     if (result == http_request::HttpReadLoopResult::RETRY)
       continue;
+    // Note: COMPLETE is currently unreachable since the loop condition checks bytes_read < content_length,
+    // but this is defensive code in case chunked transfer encoding support is added in the future.
     if (result != http_request::HttpReadLoopResult::DATA)
-      break;  // ERROR or TIMEOUT
+      break;  // COMPLETE, ERROR, or TIMEOUT
     json_str.append(reinterpret_cast<char *>(buf), read_or_error);
   }
   container->end();
@@ -321,9 +339,14 @@ bool Esp32HostedUpdate::stream_firmware_to_coprocessor_() {
     App.feed_wdt();
     yield();
 
-    auto result = http_request::http_read_loop_result(read_or_error, last_data_time, read_timeout);
+    auto result =
+        http_request::http_read_loop_result(read_or_error, last_data_time, read_timeout, container->is_read_complete());
     if (result == http_request::HttpReadLoopResult::RETRY)
       continue;
+    // Note: COMPLETE is currently unreachable since the loop condition checks bytes_read < content_length,
+    // but this is defensive code in case chunked transfer encoding support is added in the future.
+    if (result == http_request::HttpReadLoopResult::COMPLETE)
+      break;
     if (result != http_request::HttpReadLoopResult::DATA) {
       if (result == http_request::HttpReadLoopResult::TIMEOUT) {
         ESP_LOGE(TAG, "Timeout reading firmware data");

esphome/components/esp32_rmt_led_strip/light.py

@@ -5,6 +5,7 @@ from esphome import pins
 import esphome.codegen as cg
 from esphome.components import esp32, light
 from esphome.components.const import CONF_USE_PSRAM
+from esphome.components.esp32 import include_builtin_idf_component
 import esphome.config_validation as cv
 from esphome.const import (
     CONF_CHIPSET,
@@ -129,6 +130,9 @@ CONFIG_SCHEMA = cv.All(
 
 
 async def to_code(config):
+    # Re-enable ESP-IDF's RMT driver (excluded by default to save compile time)
+    include_builtin_idf_component("esp_driver_rmt")
+
     var = cg.new_Pvariable(config[CONF_OUTPUT_ID])
     await light.register_light(var, config)
     await cg.register_component(var, config)

esphome/components/esp32_touch/__init__.py

@@ -6,6 +6,7 @@ from esphome.components.esp32 import (
     VARIANT_ESP32S3,
     get_esp32_variant,
     gpio,
+    include_builtin_idf_component,
 )
 import esphome.config_validation as cv
 from esphome.const import (
@@ -266,6 +267,11 @@ CONFIG_SCHEMA = cv.All(
 
 
 async def to_code(config):
+    # Re-enable ESP-IDF's touch sensor driver (excluded by default to save compile time)
+    include_builtin_idf_component("esp_driver_touch_sens")
+    # Legacy driver component provides driver/touch_sensor.h header
+    include_builtin_idf_component("driver")
+
     touch = cg.new_Pvariable(config[CONF_ID])
     await cg.register_component(touch, config)
 

esphome/components/esp8266/preferences.cpp

@@ -17,10 +17,6 @@ namespace esphome::esp8266 {
 
 static const char *const TAG = "esp8266.preferences";
 
-static uint32_t *s_flash_storage = nullptr;  // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
-static bool s_prevent_write = false;         // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
-static bool s_flash_dirty = false;           // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
-
 static constexpr uint32_t ESP_RTC_USER_MEM_START = 0x60001200;
 static constexpr uint32_t ESP_RTC_USER_MEM_SIZE_WORDS = 128;
 static constexpr uint32_t ESP_RTC_USER_MEM_SIZE_BYTES = ESP_RTC_USER_MEM_SIZE_WORDS * 4;
@@ -43,6 +39,11 @@ static constexpr uint32_t ESP8266_FLASH_STORAGE_SIZE = 128;
 static constexpr uint32_t ESP8266_FLASH_STORAGE_SIZE = 64;
 #endif
 
+static uint32_t
+    s_flash_storage[ESP8266_FLASH_STORAGE_SIZE];  // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
+static bool s_prevent_write = false;              // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
+static bool s_flash_dirty = false;                // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
+
 static inline bool esp_rtc_user_mem_read(uint32_t index, uint32_t *dest) {
   if (index >= ESP_RTC_USER_MEM_SIZE_WORDS) {
     return false;
@@ -180,7 +181,6 @@ class ESP8266Preferences : public ESPPreferences {
   uint32_t current_flash_offset = 0;  // in words
 
   void setup() {
-    s_flash_storage = new uint32_t[ESP8266_FLASH_STORAGE_SIZE];  // NOLINT
     ESP_LOGVV(TAG, "Loading preferences from flash");
 
     {
@@ -283,10 +283,11 @@ class ESP8266Preferences : public ESPPreferences {
   }
 };
 
+static ESP8266Preferences s_preferences;  // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
+
 void setup_preferences() {
-  auto *pref = new ESP8266Preferences();  // NOLINT(cppcoreguidelines-owning-memory)
+  s_preferences.setup();
-  pref->setup();
+  global_preferences = &s_preferences;
-  global_preferences = pref;
 }
 void preferences_prevent_write(bool prevent) { s_prevent_write = prevent; }
 

esphome/components/ethernet/__init__.py

@@ -1,6 +1,6 @@
 import logging
 
-from esphome import pins
+from esphome import automation, pins
 import esphome.codegen as cg
 from esphome.components.esp32 import (
     VARIANT_ESP32,
@@ -14,6 +14,7 @@ from esphome.components.esp32 import (
     add_idf_component,
     add_idf_sdkconfig_option,
     get_esp32_variant,
+    include_builtin_idf_component,
 )
 from esphome.components.network import ip_address_literal
 from esphome.components.spi import CONF_INTERFACE_INDEX, get_spi_interface
@@ -34,6 +35,8 @@ from esphome.const import (
     CONF_MODE,
     CONF_MOSI_PIN,
     CONF_NUMBER,
+    CONF_ON_CONNECT,
+    CONF_ON_DISCONNECT,
     CONF_PAGE_ID,
     CONF_PIN,
     CONF_POLLING_INTERVAL,
@@ -236,6 +239,8 @@ BASE_SCHEMA = cv.Schema(
         cv.Optional(CONF_DOMAIN, default=".local"): cv.domain_name,
         cv.Optional(CONF_USE_ADDRESS): cv.string_strict,
         cv.Optional(CONF_MAC_ADDRESS): cv.mac_address,
+        cv.Optional(CONF_ON_CONNECT): automation.validate_automation(single=True),
+        cv.Optional(CONF_ON_DISCONNECT): automation.validate_automation(single=True),
     }
 ).extend(cv.COMPONENT_SCHEMA)
 
@@ -419,6 +424,9 @@ async def to_code(config):
     # Also disable WiFi/BT coexistence since WiFi is disabled
     add_idf_sdkconfig_option("CONFIG_SW_COEXIST_ENABLE", False)
 
+    # Re-enable ESP-IDF's Ethernet driver (excluded by default to save compile time)
+    include_builtin_idf_component("esp_eth")
+
     if config[CONF_TYPE] == "LAN8670":
         # Add LAN867x 10BASE-T1S PHY support component
         add_idf_component(name="espressif/lan867x", ref="2.0.0")
@@ -426,6 +434,18 @@ async def to_code(config):
     if CORE.using_arduino:
         cg.add_library("WiFi", None)
 
+    if on_connect_config := config.get(CONF_ON_CONNECT):
+        cg.add_define("USE_ETHERNET_CONNECT_TRIGGER")
+        await automation.build_automation(
+            var.get_connect_trigger(), [], on_connect_config
+        )
+
+    if on_disconnect_config := config.get(CONF_ON_DISCONNECT):
+        cg.add_define("USE_ETHERNET_DISCONNECT_TRIGGER")
+        await automation.build_automation(
+            var.get_disconnect_trigger(), [], on_disconnect_config
+        )
+
     CORE.add_job(final_step)
 
 

esphome/components/ethernet/ethernet_component.cpp

@@ -309,6 +309,9 @@ void EthernetComponent::loop() {
 
         this->dump_connect_params_();
         this->status_clear_warning();
+#ifdef USE_ETHERNET_CONNECT_TRIGGER
+        this->connect_trigger_.trigger();
+#endif
       } else if (now - this->connect_begin_ > 15000) {
         ESP_LOGW(TAG, "Connecting failed; reconnecting");
         this->start_connect_();
@@ -318,10 +321,16 @@ void EthernetComponent::loop() {
       if (!this->started_) {
         ESP_LOGI(TAG, "Stopped connection");
         this->state_ = EthernetComponentState::STOPPED;
+#ifdef USE_ETHERNET_DISCONNECT_TRIGGER
+        this->disconnect_trigger_.trigger();
+#endif
       } else if (!this->connected_) {
         ESP_LOGW(TAG, "Connection lost; reconnecting");
         this->state_ = EthernetComponentState::CONNECTING;
         this->start_connect_();
+#ifdef USE_ETHERNET_DISCONNECT_TRIGGER
+        this->disconnect_trigger_.trigger();
+#endif
       } else {
         this->finish_connect_();
         // When connected and stable, disable the loop to save CPU cycles

esphome/components/ethernet/ethernet_component.h

@@ -4,6 +4,7 @@
 #include "esphome/core/defines.h"
 #include "esphome/core/hal.h"
 #include "esphome/core/helpers.h"
+#include "esphome/core/automation.h"
 #include "esphome/components/network/ip_address.h"
 
 #ifdef USE_ESP32
@@ -119,6 +120,12 @@ class EthernetComponent : public Component {
   void add_ip_state_listener(EthernetIPStateListener *listener) { this->ip_state_listeners_.push_back(listener); }
 #endif
 
+#ifdef USE_ETHERNET_CONNECT_TRIGGER
+  Trigger<> *get_connect_trigger() { return &this->connect_trigger_; }
+#endif
+#ifdef USE_ETHERNET_DISCONNECT_TRIGGER
+  Trigger<> *get_disconnect_trigger() { return &this->disconnect_trigger_; }
+#endif
  protected:
   static void eth_event_handler(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data);
   static void got_ip_event_handler(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data);
@@ -190,6 +197,12 @@ class EthernetComponent : public Component {
   StaticVector<EthernetIPStateListener *, ESPHOME_ETHERNET_IP_STATE_LISTENERS> ip_state_listeners_;
 #endif
 
+#ifdef USE_ETHERNET_CONNECT_TRIGGER
+  Trigger<> connect_trigger_;
+#endif
+#ifdef USE_ETHERNET_DISCONNECT_TRIGGER
+  Trigger<> disconnect_trigger_;
+#endif
  private:
   // Stores a pointer to a string literal (static storage duration).
   // ONLY set from Python-generated code with string literals - never dynamic strings.

esphome/components/event/event.h

@@ -16,12 +16,8 @@ namespace event {
 #define LOG_EVENT(prefix, type, obj) \
   if ((obj) != nullptr) { \
     ESP_LOGCONFIG(TAG, "%s%s '%s'", prefix, LOG_STR_LITERAL(type), (obj)->get_name().c_str()); \
-    if (!(obj)->get_icon_ref().empty()) { \
+    LOG_ENTITY_ICON(TAG, prefix, *(obj)); \
-      ESP_LOGCONFIG(TAG, "%s  Icon: '%s'", prefix, (obj)->get_icon_ref().c_str()); \
+    LOG_ENTITY_DEVICE_CLASS(TAG, prefix, *(obj)); \
-    } \
-    if (!(obj)->get_device_class_ref().empty()) { \
-      ESP_LOGCONFIG(TAG, "%s  Device Class: '%s'", prefix, (obj)->get_device_class_ref().c_str()); \
-    } \
   }
 
 class Event : public EntityBase, public EntityBase_DeviceClass {

esphome/components/factory_reset/factory_reset.cpp

@@ -3,6 +3,7 @@
 #include "esphome/core/application.h"
 #include "esphome/core/hal.h"
 #include "esphome/core/log.h"
+#include "esphome/core/progmem.h"
 
 #include <cinttypes>
 
@@ -19,7 +20,8 @@ static bool was_power_cycled() {
 #endif
 #ifdef USE_ESP8266
   auto reset_reason = EspClass::getResetReason();
-  return strcasecmp(reset_reason.c_str(), "power On") == 0 || strcasecmp(reset_reason.c_str(), "external system") == 0;
+  return ESPHOME_strcasecmp_P(reset_reason.c_str(), ESPHOME_PSTR("power On")) == 0 ||
+         ESPHOME_strcasecmp_P(reset_reason.c_str(), ESPHOME_PSTR("external system")) == 0;
 #endif
 #ifdef USE_LIBRETINY
   auto reason = lt_get_reboot_reason();

esphome/components/fan/fan.cpp

@@ -227,8 +227,7 @@ void Fan::publish_state() {
 constexpr uint32_t RESTORE_STATE_VERSION = 0x71700ABA;
 optional<FanRestoreState> Fan::restore_state_() {
   FanRestoreState recovered{};
-  this->rtc_ =
+  this->rtc_ = this->make_entity_preference<FanRestoreState>(RESTORE_STATE_VERSION);
-      global_preferences->make_preference<FanRestoreState>(this->get_preference_hash() ^ RESTORE_STATE_VERSION);
   bool restored = this->rtc_.load(&recovered);
 
   switch (this->restore_mode_) {

esphome/components/feedback/feedback_cover.cpp

@@ -335,18 +335,18 @@ void FeedbackCover::start_direction_(CoverOperation dir) {
 
   switch (dir) {
     case COVER_OPERATION_IDLE:
-      trig = this->stop_trigger_;
+      trig = &this->stop_trigger_;
       break;
     case COVER_OPERATION_OPENING:
       this->last_operation_ = dir;
-      trig = this->open_trigger_;
+      trig = &this->open_trigger_;
 #ifdef USE_BINARY_SENSOR
       obstacle = this->open_obstacle_;
 #endif
       break;
     case COVER_OPERATION_CLOSING:
       this->last_operation_ = dir;
-      trig = this->close_trigger_;
+      trig = &this->close_trigger_;
 #ifdef USE_BINARY_SENSOR
       obstacle = this->close_obstacle_;
 #endif

esphome/components/feedback/feedback_cover.h

@@ -17,9 +17,9 @@ class FeedbackCover : public cover::Cover, public Component {
   void loop() override;
   void dump_config() override;
 
-  Trigger<> *get_open_trigger() const { return this->open_trigger_; }
+  Trigger<> *get_open_trigger() { return &this->open_trigger_; }
-  Trigger<> *get_close_trigger() const { return this->close_trigger_; }
+  Trigger<> *get_close_trigger() { return &this->close_trigger_; }
-  Trigger<> *get_stop_trigger() const { return this->stop_trigger_; }
+  Trigger<> *get_stop_trigger() { return &this->stop_trigger_; }
 
 #ifdef USE_BINARY_SENSOR
   void set_open_endstop(binary_sensor::BinarySensor *open_endstop);
@@ -61,9 +61,9 @@ class FeedbackCover : public cover::Cover, public Component {
   binary_sensor::BinarySensor *close_obstacle_{nullptr};
 
 #endif
-  Trigger<> *open_trigger_{new Trigger<>()};
+  Trigger<> open_trigger_;
-  Trigger<> *close_trigger_{new Trigger<>()};
+  Trigger<> close_trigger_;
-  Trigger<> *stop_trigger_{new Trigger<>()};
+  Trigger<> stop_trigger_;
 
   uint32_t open_duration_{0};
   uint32_t close_duration_{0};

esphome/components/globals/__init__.py

@@ -9,30 +9,56 @@ from esphome.const import (
     CONF_VALUE,
 )
 from esphome.core import CoroPriority, coroutine_with_priority
+from esphome.types import ConfigType
 
 CODEOWNERS = ["@esphome/core"]
 globals_ns = cg.esphome_ns.namespace("globals")
 GlobalsComponent = globals_ns.class_("GlobalsComponent", cg.Component)
-RestoringGlobalsComponent = globals_ns.class_("RestoringGlobalsComponent", cg.Component)
+RestoringGlobalsComponent = globals_ns.class_(
+    "RestoringGlobalsComponent", cg.PollingComponent
+)
 RestoringGlobalStringComponent = globals_ns.class_(
-    "RestoringGlobalStringComponent", cg.Component
+    "RestoringGlobalStringComponent", cg.PollingComponent
 )
 GlobalVarSetAction = globals_ns.class_("GlobalVarSetAction", automation.Action)
 
 CONF_MAX_RESTORE_DATA_LENGTH = "max_restore_data_length"
 
+# Base schema fields shared by both variants
+_BASE_SCHEMA = {
+    cv.Required(CONF_ID): cv.declare_id(GlobalsComponent),
+    cv.Required(CONF_TYPE): cv.string_strict,
+    cv.Optional(CONF_INITIAL_VALUE): cv.string_strict,
+    cv.Optional(CONF_MAX_RESTORE_DATA_LENGTH): cv.int_range(0, 254),
+}
 
-MULTI_CONF = True
+# Non-restoring globals: regular Component (no polling needed)
-CONFIG_SCHEMA = cv.Schema(
+_NON_RESTORING_SCHEMA = cv.Schema(
     {
-        cv.Required(CONF_ID): cv.declare_id(GlobalsComponent),
+        **_BASE_SCHEMA,
-        cv.Required(CONF_TYPE): cv.string_strict,
-        cv.Optional(CONF_INITIAL_VALUE): cv.string_strict,
         cv.Optional(CONF_RESTORE_VALUE, default=False): cv.boolean,
-        cv.Optional(CONF_MAX_RESTORE_DATA_LENGTH): cv.int_range(0, 254),
     }
 ).extend(cv.COMPONENT_SCHEMA)
 
+# Restoring globals: PollingComponent with configurable update_interval
+_RESTORING_SCHEMA = cv.Schema(
+    {
+        **_BASE_SCHEMA,
+        cv.Optional(CONF_RESTORE_VALUE, default=True): cv.boolean,
+    }
+).extend(cv.polling_component_schema("1s"))
+
+
+def _globals_schema(config: ConfigType) -> ConfigType:
+    """Select schema based on restore_value setting."""
+    if config.get(CONF_RESTORE_VALUE, False):
+        return _RESTORING_SCHEMA(config)
+    return _NON_RESTORING_SCHEMA(config)
+
+
+MULTI_CONF = True
+CONFIG_SCHEMA = _globals_schema
+
 
 # Run with low priority so that namespaces are registered first
 @coroutine_with_priority(CoroPriority.LATE)

esphome/components/globals/globals_component.h

@@ -5,8 +5,7 @@
 #include "esphome/core/helpers.h"
 #include <cstring>
 
-namespace esphome {
+namespace esphome::globals {
-namespace globals {
 
 template<typename T> class GlobalsComponent : public Component {
  public:
@@ -24,13 +23,14 @@ template<typename T> class GlobalsComponent : public Component {
   T value_{};
 };
 
-template<typename T> class RestoringGlobalsComponent : public Component {
+template<typename T> class RestoringGlobalsComponent : public PollingComponent {
  public:
   using value_type = T;
-  explicit RestoringGlobalsComponent() = default;
+  explicit RestoringGlobalsComponent() : PollingComponent(1000) {}
-  explicit RestoringGlobalsComponent(T initial_value) : value_(initial_value) {}
+  explicit RestoringGlobalsComponent(T initial_value) : PollingComponent(1000), value_(initial_value) {}
   explicit RestoringGlobalsComponent(
-      std::array<typename std::remove_extent<T>::type, std::extent<T>::value> initial_value) {
+      std::array<typename std::remove_extent<T>::type, std::extent<T>::value> initial_value)
+      : PollingComponent(1000) {
     memcpy(this->value_, initial_value.data(), sizeof(T));
   }
 
@@ -44,7 +44,7 @@ template<typename T> class RestoringGlobalsComponent : public Component {
 
   float get_setup_priority() const override { return setup_priority::HARDWARE; }
 
-  void loop() override { store_value_(); }
+  void update() override { store_value_(); }
 
   void on_shutdown() override { store_value_(); }
 
@@ -66,13 +66,14 @@ template<typename T> class RestoringGlobalsComponent : public Component {
 };
 
 // Use with string or subclasses of strings
-template<typename T, uint8_t SZ> class RestoringGlobalStringComponent : public Component {
+template<typename T, uint8_t SZ> class RestoringGlobalStringComponent : public PollingComponent {
  public:
   using value_type = T;
-  explicit RestoringGlobalStringComponent() = default;
+  explicit RestoringGlobalStringComponent() : PollingComponent(1000) {}
-  explicit RestoringGlobalStringComponent(T initial_value) { this->value_ = initial_value; }
+  explicit RestoringGlobalStringComponent(T initial_value) : PollingComponent(1000) { this->value_ = initial_value; }
   explicit RestoringGlobalStringComponent(
-      std::array<typename std::remove_extent<T>::type, std::extent<T>::value> initial_value) {
+      std::array<typename std::remove_extent<T>::type, std::extent<T>::value> initial_value)
+      : PollingComponent(1000) {
     memcpy(this->value_, initial_value.data(), sizeof(T));
   }
 
@@ -90,7 +91,7 @@ template<typename T, uint8_t SZ> class RestoringGlobalStringComponent : public C
 
   float get_setup_priority() const override { return setup_priority::HARDWARE; }
 
-  void loop() override { store_value_(); }
+  void update() override { store_value_(); }
 
   void on_shutdown() override { store_value_(); }
 
@@ -144,5 +145,4 @@ template<typename T> T &id(GlobalsComponent<T> *value) { return value->value();
 template<typename T> T &id(RestoringGlobalsComponent<T> *value) { return value->value(); }
 template<typename T, uint8_t SZ> T &id(RestoringGlobalStringComponent<T, SZ> *value) { return value->value(); }
 
-}  // namespace globals
+}  // namespace esphome::globals
-}  // namespace esphome

esphome/components/haier/haier_base.cpp

@@ -350,8 +350,7 @@ ClimateTraits HaierClimateBase::traits() { return traits_; }
 
 void HaierClimateBase::initialization() {
   constexpr uint32_t restore_settings_version = 0xA77D21EF;
-  this->base_rtc_ =
+  this->base_rtc_ = this->make_entity_preference<HaierBaseSettings>(restore_settings_version);
-      global_preferences->make_preference<HaierBaseSettings>(this->get_preference_hash() ^ restore_settings_version);
   HaierBaseSettings recovered;
   if (!this->base_rtc_.load(&recovered)) {
     recovered = {false, true};

esphome/components/haier/hon_climate.cpp

@@ -515,8 +515,7 @@ haier_protocol::HaierMessage HonClimate::get_power_message(bool state) {
 void HonClimate::initialization() {
   HaierClimateBase::initialization();
   constexpr uint32_t restore_settings_version = 0x57EB59DDUL;
-  this->hon_rtc_ =
+  this->hon_rtc_ = this->make_entity_preference<HonSettings>(restore_settings_version);
-      global_preferences->make_preference<HonSettings>(this->get_preference_hash() ^ restore_settings_version);
   HonSettings recovered;
   if (this->hon_rtc_.load(&recovered)) {
     this->settings_ = recovered;

esphome/components/host/preferences.cpp

@@ -66,10 +66,11 @@ ESPPreferenceObject HostPreferences::make_preference(size_t length, uint32_t typ
   return ESPPreferenceObject(backend);
 };
 
+static HostPreferences s_preferences;  // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
+
 void setup_preferences() {
-  auto *pref = new HostPreferences();  // NOLINT(cppcoreguidelines-owning-memory)
+  host_preferences = &s_preferences;
-  host_preferences = pref;
+  global_preferences = &s_preferences;
-  global_preferences = pref;
 }
 
 bool HostPreferenceBackend::save(const uint8_t *data, size_t len) {

esphome/components/http_request/__init__.py

@@ -155,6 +155,9 @@ async def to_code(config):
         cg.add(var.set_watchdog_timeout(timeout_ms))
 
     if CORE.is_esp32:
+        # Re-enable ESP-IDF's HTTP client (excluded by default to save compile time)
+        esp32.include_builtin_idf_component("esp_http_client")
+
         cg.add(var.set_buffer_size_rx(config[CONF_BUFFER_SIZE_RX]))
         cg.add(var.set_buffer_size_tx(config[CONF_BUFFER_SIZE_TX]))
         cg.add(var.set_verify_ssl(config[CONF_VERIFY_SSL]))
@@ -165,6 +168,16 @@ async def to_code(config):
                     ca_cert_content = f.read()
                 cg.add(var.set_ca_certificate(ca_cert_content))
             else:
+                # Uses the certificate bundle configured in esp32 component.
+                # By default, ESPHome uses the CMN (common CAs) bundle which covers
+                # ~99% of websites including GitHub, Let's Encrypt, DigiCert, etc.
+                # If connecting to services with uncommon CAs, components can call:
+                #   esp32.require_full_certificate_bundle()
+                # Or users can set in their config:
+                #   esp32:
+                #     framework:
+                #       advanced:
+                #         use_full_certificate_bundle: true
                 esp32.add_idf_sdkconfig_option(
                     "CONFIG_MBEDTLS_CERTIFICATE_BUNDLE", True
                 )

esphome/components/http_request/http_request.h

@@ -26,6 +26,7 @@ struct Header {
 enum HttpStatus {
   HTTP_STATUS_OK = 200,
   HTTP_STATUS_NO_CONTENT = 204,
+  HTTP_STATUS_RESET_CONTENT = 205,
   HTTP_STATUS_PARTIAL_CONTENT = 206,
 
   /* 3xx - Redirection */
@@ -126,19 +127,21 @@ struct HttpReadResult {
 
 /// Result of processing a non-blocking read with timeout (for manual loops)
 enum class HttpReadLoopResult : uint8_t {
-  DATA,     ///< Data was read, process it
+  DATA,      ///< Data was read, process it
-  RETRY,    ///< No data yet, already delayed, caller should continue loop
+  COMPLETE,  ///< All content has been read, caller should exit loop
-  ERROR,    ///< Read error, caller should exit loop
+  RETRY,     ///< No data yet, already delayed, caller should continue loop
-  TIMEOUT,  ///< Timeout waiting for data, caller should exit loop
+  ERROR,     ///< Read error, caller should exit loop
+  TIMEOUT,   ///< Timeout waiting for data, caller should exit loop
 };
 
 /// Process a read result with timeout tracking and delay handling
 /// @param bytes_read_or_error Return value from read() - positive for bytes read, negative for error
 /// @param last_data_time Time of last successful read, updated when data received
 /// @param timeout_ms Maximum time to wait for data
-/// @return DATA if data received, RETRY if should continue loop, ERROR/TIMEOUT if should exit
+/// @param is_read_complete Whether all expected content has been read (from HttpContainer::is_read_complete())
-inline HttpReadLoopResult http_read_loop_result(int bytes_read_or_error, uint32_t &last_data_time,
+/// @return How the caller should proceed - see HttpReadLoopResult enum
-                                                uint32_t timeout_ms) {
+inline HttpReadLoopResult http_read_loop_result(int bytes_read_or_error, uint32_t &last_data_time, uint32_t timeout_ms,
+                                                bool is_read_complete) {
   if (bytes_read_or_error > 0) {
     last_data_time = millis();
     return HttpReadLoopResult::DATA;
@@ -146,7 +149,10 @@ inline HttpReadLoopResult http_read_loop_result(int bytes_read_or_error, uint32_
   if (bytes_read_or_error < 0) {
     return HttpReadLoopResult::ERROR;
   }
-  // bytes_read_or_error == 0: no data available yet
+  // bytes_read_or_error == 0: either "no data yet" or "all content read"
+  if (is_read_complete) {
+    return HttpReadLoopResult::COMPLETE;
+  }
   if (millis() - last_data_time >= timeout_ms) {
     return HttpReadLoopResult::TIMEOUT;
   }
@@ -159,9 +165,9 @@ class HttpRequestComponent;
 class HttpContainer : public Parented<HttpRequestComponent> {
  public:
   virtual ~HttpContainer() = default;
-  size_t content_length;
+  size_t content_length{0};
-  int status_code;
+  int status_code{-1};  ///< -1 indicates no response received yet
-  uint32_t duration_ms;
+  uint32_t duration_ms{0};
 
   /**
    * @brief Read data from the HTTP response body.
@@ -194,9 +200,24 @@ class HttpContainer : public Parented<HttpRequestComponent> {
   virtual void end() = 0;
 
   void set_secure(bool secure) { this->secure_ = secure; }
+  void set_chunked(bool chunked) { this->is_chunked_ = chunked; }
 
   size_t get_bytes_read() const { return this->bytes_read_; }
 
+  /// Check if all expected content has been read
+  /// For chunked responses, returns false (completion detected via read() returning error/EOF)
+  bool is_read_complete() const {
+    // Per RFC 9112, these responses have no body:
+    // - 1xx (Informational), 204 No Content, 205 Reset Content, 304 Not Modified
+    if ((this->status_code >= 100 && this->status_code < 200) || this->status_code == HTTP_STATUS_NO_CONTENT ||
+        this->status_code == HTTP_STATUS_RESET_CONTENT || this->status_code == HTTP_STATUS_NOT_MODIFIED) {
+      return true;
+    }
+    // For non-chunked responses, complete when bytes_read >= content_length
+    // This handles both Content-Length: 0 and Content-Length: N cases
+    return !this->is_chunked_ && this->bytes_read_ >= this->content_length;
+  }
+
   /**
    * @brief Get response headers.
    *
@@ -209,6 +230,7 @@ class HttpContainer : public Parented<HttpRequestComponent> {
  protected:
   size_t bytes_read_{0};
   bool secure_{false};
+  bool is_chunked_{false};  ///< True if response uses chunked transfer encoding
   std::map<std::string, std::list<std::string>> response_headers_{};
 };
 
@@ -219,7 +241,7 @@ class HttpContainer : public Parented<HttpRequestComponent> {
 /// @param total_size Total bytes to read
 /// @param chunk_size Maximum bytes per read call
 /// @param timeout_ms Read timeout in milliseconds
-/// @return HttpReadResult with status and error_code on failure
+/// @return HttpReadResult with status and error_code on failure; use container->get_bytes_read() for total bytes read
 inline HttpReadResult http_read_fully(HttpContainer *container, uint8_t *buffer, size_t total_size, size_t chunk_size,
                                       uint32_t timeout_ms) {
   size_t read_index = 0;
@@ -231,9 +253,11 @@ inline HttpReadResult http_read_fully(HttpContainer *container, uint8_t *buffer,
     App.feed_wdt();
     yield();
 
-    auto result = http_read_loop_result(read_bytes_or_error, last_data_time, timeout_ms);
+    auto result = http_read_loop_result(read_bytes_or_error, last_data_time, timeout_ms, container->is_read_complete());
     if (result == HttpReadLoopResult::RETRY)
       continue;
+    if (result == HttpReadLoopResult::COMPLETE)
+      break;  // Server sent less data than requested, but transfer is complete
     if (result == HttpReadLoopResult::ERROR)
       return {HttpReadStatus::ERROR, read_bytes_or_error};
     if (result == HttpReadLoopResult::TIMEOUT)
@@ -332,13 +356,13 @@ template<typename... Ts> class HttpRequestSendAction : public Action<Ts...> {
   void set_json(std::function<void(Ts..., JsonObject)> json_func) { this->json_func_ = json_func; }
 
 #ifdef USE_HTTP_REQUEST_RESPONSE
-  Trigger<std::shared_ptr<HttpContainer>, std::string &, Ts...> *get_success_trigger_with_response() const {
+  Trigger<std::shared_ptr<HttpContainer>, std::string &, Ts...> *get_success_trigger_with_response() {
-    return this->success_trigger_with_response_;
+    return &this->success_trigger_with_response_;
   }
 #endif
-  Trigger<std::shared_ptr<HttpContainer>, Ts...> *get_success_trigger() const { return this->success_trigger_; }
+  Trigger<std::shared_ptr<HttpContainer>, Ts...> *get_success_trigger() { return &this->success_trigger_; }
 
-  Trigger<Ts...> *get_error_trigger() const { return this->error_trigger_; }
+  Trigger<Ts...> *get_error_trigger() { return &this->error_trigger_; }
 
   void set_max_response_buffer_size(size_t max_response_buffer_size) {
     this->max_response_buffer_size_ = max_response_buffer_size;
@@ -372,7 +396,7 @@ template<typename... Ts> class HttpRequestSendAction : public Action<Ts...> {
     auto captured_args = std::make_tuple(x...);
 
     if (container == nullptr) {
-      std::apply([this](Ts... captured_args_inner) { this->error_trigger_->trigger(captured_args_inner...); },
+      std::apply([this](Ts... captured_args_inner) { this->error_trigger_.trigger(captured_args_inner...); },
                  captured_args);
       return;
     }
@@ -393,11 +417,12 @@ template<typename... Ts> class HttpRequestSendAction : public Action<Ts...> {
           int read_or_error = container->read(buf + read_index, std::min<size_t>(max_length - read_index, 512));
           App.feed_wdt();
           yield();
-          auto result = http_read_loop_result(read_or_error, last_data_time, read_timeout);
+          auto result =
+              http_read_loop_result(read_or_error, last_data_time, read_timeout, container->is_read_complete());
           if (result == HttpReadLoopResult::RETRY)
             continue;
           if (result != HttpReadLoopResult::DATA)
-            break;  // ERROR or TIMEOUT
+            break;  // COMPLETE, ERROR, or TIMEOUT
           read_index += read_or_error;
         }
         response_body.reserve(read_index);
@@ -406,14 +431,14 @@ template<typename... Ts> class HttpRequestSendAction : public Action<Ts...> {
       }
       std::apply(
           [this, &container, &response_body](Ts... captured_args_inner) {
-            this->success_trigger_with_response_->trigger(container, response_body, captured_args_inner...);
+            this->success_trigger_with_response_.trigger(container, response_body, captured_args_inner...);
           },
           captured_args);
     } else
 #endif
     {
       std::apply([this, &container](
-                     Ts... captured_args_inner) { this->success_trigger_->trigger(container, captured_args_inner...); },
+                     Ts... captured_args_inner) { this->success_trigger_.trigger(container, captured_args_inner...); },
                  captured_args);
     }
     container->end();
@@ -433,12 +458,10 @@ template<typename... Ts> class HttpRequestSendAction : public Action<Ts...> {
   std::map<const char *, TemplatableValue<std::string, Ts...>> json_{};
   std::function<void(Ts..., JsonObject)> json_func_{nullptr};
 #ifdef USE_HTTP_REQUEST_RESPONSE
-  Trigger<std::shared_ptr<HttpContainer>, std::string &, Ts...> *success_trigger_with_response_ =
+  Trigger<std::shared_ptr<HttpContainer>, std::string &, Ts...> success_trigger_with_response_;
-      new Trigger<std::shared_ptr<HttpContainer>, std::string &, Ts...>();
 #endif
-  Trigger<std::shared_ptr<HttpContainer>, Ts...> *success_trigger_ =
+  Trigger<std::shared_ptr<HttpContainer>, Ts...> success_trigger_;
-      new Trigger<std::shared_ptr<HttpContainer>, Ts...>();
+  Trigger<Ts...> error_trigger_;
-  Trigger<Ts...> *error_trigger_ = new Trigger<Ts...>();
 
   size_t max_response_buffer_size_{SIZE_MAX};
 };

esphome/components/http_request/http_request_arduino.cpp

@@ -131,9 +131,27 @@ std::shared_ptr<HttpContainer> HttpRequestArduino::perform(const std::string &ur
     }
   }
 
+  // HTTPClient::getSize() returns -1 for chunked transfer encoding (no Content-Length).
+  // When cast to size_t, -1 becomes SIZE_MAX (4294967295 on 32-bit).
+  // The read() method handles this: bytes_read_ can never reach SIZE_MAX, so the
+  // early return check (bytes_read_ >= content_length) will never trigger.
+  //
+  // TODO: Chunked transfer encoding is NOT properly supported on Arduino.
+  // The implementation in #7884 was incomplete - it only works correctly on ESP-IDF where
+  // esp_http_client_read() decodes chunks internally. On Arduino, using getStreamPtr()
+  // returns raw TCP data with chunk framing (e.g., "12a\r\n{json}\r\n0\r\n\r\n") instead
+  // of decoded content. This wasn't noticed because requests would complete and payloads
+  // were only examined on IDF. The long transfer times were also masked by the misleading
+  // "HTTP on Arduino version >= 3.1 is **very** slow" warning above. This causes two issues:
+  // 1. Response body is corrupted - contains chunk size headers mixed with data
+  // 2. Cannot detect end of transfer - connection stays open (keep-alive), causing timeout
+  // The proper fix would be to use getString() for chunked responses, which decodes chunks
+  // internally, but this buffers the entire response in memory.
   int content_length = container->client_.getSize();
   ESP_LOGD(TAG, "Content-Length: %d", content_length);
   container->content_length = (size_t) content_length;
+  // -1 (SIZE_MAX when cast to size_t) means chunked transfer encoding
+  container->set_chunked(content_length == -1);
   container->duration_ms = millis() - start;
 
   return container;
@@ -167,17 +185,23 @@ int HttpContainerArduino::read(uint8_t *buf, size_t max_len) {
   }
 
   int available_data = stream_ptr->available();
-  int bufsize = std::min(max_len, std::min(this->content_length - this->bytes_read_, (size_t) available_data));
+  // For chunked transfer encoding, HTTPClient::getSize() returns -1, which becomes SIZE_MAX when
+  // cast to size_t. SIZE_MAX - bytes_read_ is still huge, so it won't limit the read.
+  size_t remaining = (this->content_length > 0) ? (this->content_length - this->bytes_read_) : max_len;
+  int bufsize = std::min(max_len, std::min(remaining, (size_t) available_data));
 
   if (bufsize == 0) {
     this->duration_ms += (millis() - start);
-    // Check if we've read all expected content
+    // Check if we've read all expected content (non-chunked only)
-    if (this->bytes_read_ >= this->content_length) {
+    // For chunked encoding (content_length == SIZE_MAX), is_read_complete() returns false
+    if (this->is_read_complete()) {
       return 0;  // All content read successfully
     }
     // No data available - check if connection is still open
+    // For chunked encoding, !connected() after reading means EOF (all chunks received)
+    // For known content_length with bytes_read_ < content_length, it means connection dropped
     if (!stream_ptr->connected()) {
-      return HTTP_ERROR_CONNECTION_CLOSED;  // Connection closed prematurely
+      return HTTP_ERROR_CONNECTION_CLOSED;  // Connection closed or EOF for chunked
     }
     return 0;  // No data yet, caller should retry
   }

esphome/components/http_request/http_request_idf.cpp

@@ -157,7 +157,10 @@ std::shared_ptr<HttpContainer> HttpRequestIDF::perform(const std::string &url, c
   }
 
   container->feed_wdt();
+  // esp_http_client_fetch_headers() returns 0 for chunked transfer encoding (no Content-Length header).
+  // The read() method handles content_length == 0 specially to support chunked responses.
   container->content_length = esp_http_client_fetch_headers(client);
+  container->set_chunked(esp_http_client_is_chunked_response(client));
   container->feed_wdt();
   container->status_code = esp_http_client_get_status_code(client);
   container->feed_wdt();
@@ -193,6 +196,7 @@ std::shared_ptr<HttpContainer> HttpRequestIDF::perform(const std::string &url, c
 
       container->feed_wdt();
       container->content_length = esp_http_client_fetch_headers(client);
+      container->set_chunked(esp_http_client_is_chunked_response(client));
       container->feed_wdt();
       container->status_code = esp_http_client_get_status_code(client);
       container->feed_wdt();
@@ -225,14 +229,21 @@ std::shared_ptr<HttpContainer> HttpRequestIDF::perform(const std::string &url, c
 //
 // We normalize to HttpContainer::read() contract:
 //   > 0: bytes read
-//   0: no data yet / all content read (caller should check bytes_read vs content_length)
+//   0: all content read (only returned when content_length is known and fully read)
 //   < 0: error/connection closed
+//
+// Note on chunked transfer encoding:
+//   esp_http_client_fetch_headers() returns 0 for chunked responses (no Content-Length header).
+//   We handle this by skipping the content_length check when content_length is 0,
+//   allowing esp_http_client_read() to handle chunked decoding internally and signal EOF
+//   by returning 0.
 int HttpContainerIDF::read(uint8_t *buf, size_t max_len) {
   const uint32_t start = millis();
   watchdog::WatchdogManager wdm(this->parent_->get_watchdog_timeout());
 
-  // Check if we've already read all expected content
+  // Check if we've already read all expected content (non-chunked only)
-  if (this->bytes_read_ >= this->content_length) {
+  // For chunked responses (content_length == 0), esp_http_client_read() handles EOF
+  if (this->is_read_complete()) {
     return 0;  // All content read successfully
   }
 
@@ -247,7 +258,13 @@ int HttpContainerIDF::read(uint8_t *buf, size_t max_len) {
     return read_len_or_error;
   }
 
-  // Connection closed by server before all content received
+  // esp_http_client_read() returns 0 in two cases:
+  // 1. Known content_length: connection closed before all data received (error)
+  // 2. Chunked encoding (content_length == 0): end of stream reached (EOF)
+  // For case 1, returning HTTP_ERROR_CONNECTION_CLOSED is correct.
+  // For case 2, 0 indicates that all chunked data has already been delivered
+  // in previous successful read() calls, so treating this as a closed
+  // connection does not cause any loss of response data.
   if (read_len_or_error == 0) {
     return HTTP_ERROR_CONNECTION_CLOSED;
   }

esphome/components/http_request/ota/ota_http_request.cpp

@@ -130,9 +130,13 @@ uint8_t OtaHttpRequestComponent::do_ota_() {
     App.feed_wdt();
     yield();
 
-    auto result = http_read_loop_result(bufsize_or_error, last_data_time, read_timeout);
+    auto result = http_read_loop_result(bufsize_or_error, last_data_time, read_timeout, container->is_read_complete());
     if (result == HttpReadLoopResult::RETRY)
       continue;
+    // Note: COMPLETE is currently unreachable since the loop condition checks bytes_read < content_length,
+    // but this is defensive code in case chunked transfer encoding support is added for OTA in the future.
+    if (result == HttpReadLoopResult::COMPLETE)
+      break;
     if (result != HttpReadLoopResult::DATA) {
       if (result == HttpReadLoopResult::TIMEOUT) {
         ESP_LOGE(TAG, "Timeout reading data");

esphome/components/hub75/boards/huidu.py

@@ -2,6 +2,25 @@
 
 from . import BoardConfig
 
+# Huidu HD-WF1
+BoardConfig(
+    "huidu-hd-wf1",
+    r1_pin=2,
+    g1_pin=6,
+    b1_pin=3,
+    r2_pin=4,
+    g2_pin=8,
+    b2_pin=5,
+    a_pin=39,
+    b_pin=38,
+    c_pin=37,
+    d_pin=36,
+    e_pin=12,
+    lat_pin=33,
+    oe_pin=35,
+    clk_pin=34,
+)
+
 # Huidu HD-WF2
 BoardConfig(
     "huidu-hd-wf2",

esphome/components/hub75/display.py

@@ -587,7 +587,7 @@ def _build_config_struct(
 async def to_code(config: ConfigType) -> None:
     add_idf_component(
         name="esphome/esp-hub75",
-        ref="0.3.0",
+        ref="0.3.2",
     )
 
     # Set compile-time configuration via build flags (so external library sees them)

esphome/components/i2c/i2c.cpp

@@ -11,12 +11,6 @@ namespace i2c {
 static const char *const TAG = "i2c";
 
 void I2CBus::i2c_scan_() {
-  // suppress logs from the IDF I2C library during the scan
-#if defined(USE_ESP32) && defined(USE_LOGGER)
-  auto previous = esp_log_level_get("*");
-  esp_log_level_set("*", ESP_LOG_NONE);
-#endif
-
   for (uint8_t address = 8; address != 120; address++) {
     auto err = write_readv(address, nullptr, 0, nullptr, 0);
     if (err == ERROR_OK) {
@@ -27,9 +21,6 @@ void I2CBus::i2c_scan_() {
     // it takes 16sec to scan on nrf52. It prevents board reset.
     arch_feed_wdt();
   }
-#if defined(USE_ESP32) && defined(USE_LOGGER)
-  esp_log_level_set("*", previous);
-#endif
 }
 
 ErrorCode I2CDevice::read_register(uint8_t a_register, uint8_t *data, size_t len) {

esphome/components/i2s_audio/__init__.py

@@ -1,6 +1,11 @@
 from esphome import pins
 import esphome.codegen as cg
 from esphome.components.esp32 import (
+    add_idf_sdkconfig_option,
+    get_esp32_variant,
+    include_builtin_idf_component,
+)
+from esphome.components.esp32.const import (
     VARIANT_ESP32,
     VARIANT_ESP32C3,
     VARIANT_ESP32C5,
@@ -10,8 +15,6 @@ from esphome.components.esp32 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
@@ -272,6 +275,10 @@ FINAL_VALIDATE_SCHEMA = _final_validate
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     await cg.register_component(var, config)
+
+    # Re-enable ESP-IDF's I2S driver (excluded by default to save compile time)
+    include_builtin_idf_component("esp_driver_i2s")
+
     if use_legacy():
         cg.add_define("USE_I2S_LEGACY")
 

esphome/components/integration/integration_sensor.cpp

@@ -10,7 +10,7 @@ static const char *const TAG = "integration";
 
 void IntegrationSensor::setup() {
   if (this->restore_) {
-    this->pref_ = global_preferences->make_preference<float>(this->get_preference_hash());
+    this->pref_ = this->make_entity_preference<float>();
     float preference_value = 0;
     this->pref_.load(&preference_value);
     this->result_ = preference_value;

esphome/components/ld2450/ld2450.cpp

@@ -184,7 +184,7 @@ static inline bool validate_header_footer(const uint8_t *header_footer, const ui
 void LD2450Component::setup() {
 #ifdef USE_NUMBER
   if (this->presence_timeout_number_ != nullptr) {
-    this->pref_ = global_preferences->make_preference<float>(this->presence_timeout_number_->get_preference_hash());
+    this->pref_ = this->presence_timeout_number_->make_entity_preference<float>();
     this->set_presence_timeout();
   }
 #endif
@@ -451,7 +451,7 @@ void LD2450Component::handle_periodic_data_() {
   int16_t ty = 0;
   int16_t td = 0;
   int16_t ts = 0;
-  int16_t angle = 0;
+  float angle = 0;
   uint8_t index = 0;
   Direction direction{DIRECTION_UNDEFINED};
   bool is_moving = false;

esphome/components/ld2450/sensor.py

@@ -143,6 +143,7 @@ CONFIG_SCHEMA = CONFIG_SCHEMA.extend(
                     ],
                     icon=ICON_FORMAT_TEXT_ROTATION_ANGLE_UP,
                     unit_of_measurement=UNIT_DEGREES,
+                    accuracy_decimals=1,
                 ),
                 cv.Optional(CONF_DISTANCE): sensor.sensor_schema(
                     device_class=DEVICE_CLASS_DISTANCE,

esphome/components/libretiny/preferences.cpp

@@ -189,10 +189,11 @@ class LibreTinyPreferences : public ESPPreferences {
   }
 };
 
+static LibreTinyPreferences s_preferences;  // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
+
 void setup_preferences() {
-  auto *prefs = new LibreTinyPreferences();  // NOLINT(cppcoreguidelines-owning-memory)
+  s_preferences.open();
-  prefs->open();
+  global_preferences = &s_preferences;
-  global_preferences = prefs;
 }
 
 }  // namespace libretiny

esphome/components/light/base_light_effects.h

@@ -138,20 +138,20 @@ class LambdaLightEffect : public LightEffect {
 class AutomationLightEffect : public LightEffect {
  public:
   AutomationLightEffect(const char *name) : LightEffect(name) {}
-  void stop() override { this->trig_->stop_action(); }
+  void stop() override { this->trig_.stop_action(); }
   void apply() override {
-    if (!this->trig_->is_action_running()) {
+    if (!this->trig_.is_action_running()) {
-      this->trig_->trigger();
+      this->trig_.trigger();
     }
   }
-  Trigger<> *get_trig() const { return trig_; }
+  Trigger<> *get_trig() { return &this->trig_; }
 
   /// Get the current effect index for use in automations.
   /// Useful for automations that need to know which effect is running.
   uint32_t get_current_index() const { return this->get_index(); }
 
  protected:
-  Trigger<> *trig_{new Trigger<>};
+  Trigger<> trig_;
 };
 
 struct StrobeLightEffectColor {

esphome/components/light/light_state.cpp

@@ -44,7 +44,7 @@ void LightState::setup() {
     case LIGHT_RESTORE_DEFAULT_ON:
     case LIGHT_RESTORE_INVERTED_DEFAULT_OFF:
     case LIGHT_RESTORE_INVERTED_DEFAULT_ON:
-      this->rtc_ = global_preferences->make_preference<LightStateRTCState>(this->get_preference_hash());
+      this->rtc_ = this->make_entity_preference<LightStateRTCState>();
       // Attempt to load from preferences, else fall back to default values
       if (!this->rtc_.load(&recovered)) {
         recovered.state = (this->restore_mode_ == LIGHT_RESTORE_DEFAULT_ON ||
@@ -57,7 +57,7 @@ void LightState::setup() {
       break;
     case LIGHT_RESTORE_AND_OFF:
     case LIGHT_RESTORE_AND_ON:
-      this->rtc_ = global_preferences->make_preference<LightStateRTCState>(this->get_preference_hash());
+      this->rtc_ = this->make_entity_preference<LightStateRTCState>();
       this->rtc_.load(&recovered);
       recovered.state = (this->restore_mode_ == LIGHT_RESTORE_AND_ON);
       break;

esphome/components/lock/lock.h

@@ -14,9 +14,7 @@ class Lock;
 #define LOG_LOCK(prefix, type, obj) \
   if ((obj) != nullptr) { \
     ESP_LOGCONFIG(TAG, "%s%s '%s'", prefix, LOG_STR_LITERAL(type), (obj)->get_name().c_str()); \
-    if (!(obj)->get_icon_ref().empty()) { \
+    LOG_ENTITY_ICON(TAG, prefix, *(obj)); \
-      ESP_LOGCONFIG(TAG, "%s  Icon: '%s'", prefix, (obj)->get_icon_ref().c_str()); \
-    } \
     if ((obj)->traits.get_assumed_state()) { \
       ESP_LOGCONFIG(TAG, "%s  Assumed State: YES", prefix); \
     } \

esphome/components/logger/__init__.py

@@ -16,6 +16,8 @@ from esphome.components.esp32 import (
     VARIANT_ESP32S3,
     add_idf_sdkconfig_option,
     get_esp32_variant,
+    require_usb_serial_jtag_secondary,
+    require_vfs_termios,
 )
 from esphome.components.libretiny import get_libretiny_component, get_libretiny_family
 from esphome.components.libretiny.const import (
@@ -397,9 +399,15 @@ async def to_code(config):
         elif config[CONF_HARDWARE_UART] == USB_SERIAL_JTAG:
             add_idf_sdkconfig_option("CONFIG_ESP_CONSOLE_USB_SERIAL_JTAG", True)
             cg.add_define("USE_LOGGER_UART_SELECTION_USB_SERIAL_JTAG")
+    # Define platform support flags for components that need auto-detection
     try:
         uart_selection(USB_SERIAL_JTAG)
         cg.add_define("USE_LOGGER_USB_SERIAL_JTAG")
+        # USB Serial JTAG code is compiled when platform supports it.
+        # Enable secondary USB serial JTAG console so the VFS functions are available.
+        if CORE.is_esp32 and config[CONF_HARDWARE_UART] != USB_SERIAL_JTAG:
+            require_usb_serial_jtag_secondary()
+            require_vfs_termios()
     except cv.Invalid:
         pass
     try:

esphome/components/logger/logger.cpp

@@ -128,22 +128,7 @@ void HOT Logger::log_vprintf_(uint8_t level, const char *tag, int line, const ch
 // Note: USE_STORE_LOG_STR_IN_FLASH is only defined for ESP8266.
 //
 // This function handles format strings stored in flash memory (PROGMEM) to save RAM.
-// The buffer is used in a special way to avoid allocating extra memory:
+// Uses vsnprintf_P to read the format string directly from flash without copying to RAM.
-//
-// Memory layout during execution:
-// Step 1: Copy format string from flash to buffer
-//         tx_buffer_: [format_string][null][.....................]
-//         tx_buffer_at_: ------------------^
-//         msg_start: saved here -----------^
-//
-// Step 2: format_log_to_buffer_with_terminator_ reads format string from beginning
-//         and writes formatted output starting at msg_start position
-//         tx_buffer_: [format_string][null][formatted_message][null]
-//         tx_buffer_at_: -------------------------------------^
-//
-// Step 3: Output the formatted message (starting at msg_start)
-//         write_msg_ and callbacks receive: this->tx_buffer_ + msg_start
-//         which points to: [formatted_message][null]
 //
 void Logger::log_vprintf_(uint8_t level, const char *tag, int line, const __FlashStringHelper *format,
                           va_list args) {  // NOLINT
@@ -153,35 +138,25 @@ void Logger::log_vprintf_(uint8_t level, const char *tag, int line, const __Flas
   RecursionGuard guard(global_recursion_guard_);
   this->tx_buffer_at_ = 0;
 
-  // Copy format string from progmem
+  // Write header, format body directly from flash, and write footer
-  auto *format_pgm_p = reinterpret_cast<const uint8_t *>(format);
+  this->write_header_to_buffer_(level, tag, line, nullptr, this->tx_buffer_, &this->tx_buffer_at_,
-  char ch = '.';
+                                this->tx_buffer_size_);
-  while (this->tx_buffer_at_ < this->tx_buffer_size_ && ch != '\0') {
+  this->format_body_to_buffer_P_(this->tx_buffer_, &this->tx_buffer_at_, this->tx_buffer_size_,
-    this->tx_buffer_[this->tx_buffer_at_++] = ch = (char) progmem_read_byte(format_pgm_p++);
+                                 reinterpret_cast<PGM_P>(format), args);
-  }
+  this->write_footer_to_buffer_(this->tx_buffer_, &this->tx_buffer_at_, this->tx_buffer_size_);
 
-  // Buffer full from copying format - RAII guard handles cleanup on return
+  // Ensure null termination
-  if (this->tx_buffer_at_ >= this->tx_buffer_size_) {
+  uint16_t null_pos = this->tx_buffer_at_ >= this->tx_buffer_size_ ? this->tx_buffer_size_ - 1 : this->tx_buffer_at_;
-    return;
+  this->tx_buffer_[null_pos] = '\0';
-  }
-
-  // Save the offset before calling format_log_to_buffer_with_terminator_
-  // since it will increment tx_buffer_at_ to the end of the formatted string
-  uint16_t msg_start = this->tx_buffer_at_;
-  this->format_log_to_buffer_with_terminator_(level, tag, line, this->tx_buffer_, args, this->tx_buffer_,
-                                              &this->tx_buffer_at_, this->tx_buffer_size_);
-
-  uint16_t msg_length =
-      this->tx_buffer_at_ - msg_start;  // Don't subtract 1 - tx_buffer_at_ is already at the null terminator position
 
   // Listeners get message first (before console write)
 #ifdef USE_LOG_LISTENERS
   for (auto *listener : this->log_listeners_)
-    listener->on_log(level, tag, this->tx_buffer_ + msg_start, msg_length);
+    listener->on_log(level, tag, this->tx_buffer_, this->tx_buffer_at_);
 #endif
 
-  // Write to console starting at the msg_start
+  // Write to console
-  this->write_tx_buffer_to_console_(msg_start, &msg_length);
+  this->write_tx_buffer_to_console_();
 }
 #endif  // USE_STORE_LOG_STR_IN_FLASH