libretiny: Fix dashboard import when package_import_url is longer than 63 characters

[core] Add format_hex_pretty_to buffer helper and reduce code duplication (#12687 )
[ethernet_info] Eliminate heap allocations in DNS text sensor (#12756 )
2026-01-02 01:30:45 -07:00 · 2025-12-30 11:51:51 -10:00 · 2025-12-30 10:25:51 -10:00 · 2025-12-30 09:31:44 -05:00 · 2025-12-30 09:31:31 -05:00 · 2025-12-30 09:22:03 -05:00
395 changed files with 8494 additions and 2995 deletions
--- a/.clang-tidy.hash
+++ b/.clang-tidy.hash
@@ -1 +1 @@
-766420905c06eeb6c5f360f68fd965e5ddd9c4a5db6b823263d3ad3accb64a07
+94557f94be073390342833aff12ef8676a8b597db5fa770a5a1232e9425cb48f
--- a/.github/actions/restore-python/action.yml
+++ b/.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@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+      uses: actions/cache/restore@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
      with:
        path: venv
        # yamllint disable-line rule:line-length
--- a/.github/workflows/auto-label-pr.yml
+++ b/.github/workflows/auto-label-pr.yml
@@ -26,7 +26,7 @@ jobs:

      - name: Generate a token
        id: generate-token
-        uses: actions/create-github-app-token@7e473efe3cb98aa54f8d4bac15400b15fad77d94 # v2
+        uses: actions/create-github-app-token@29824e69f54612133e76f7eaac726eef6c875baf # v2
        with:
          app-id: ${{ secrets.ESPHOME_GITHUB_APP_ID }}
          private-key: ${{ secrets.ESPHOME_GITHUB_APP_PRIVATE_KEY }}
--- a/.github/workflows/ci-api-proto.yml
+++ b/.github/workflows/ci-api-proto.yml
@@ -62,7 +62,7 @@ jobs:
        run: git diff
      - if: failure()
        name: Archive artifacts
-        uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
        with:
          name: generated-proto-files
          path: |
--- a/.github/workflows/ci-docker.yml
+++ b/.github/workflows/ci-docker.yml
@@ -49,7 +49,7 @@ jobs:
        with:
          python-version: "3.11"
      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
+        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0

      - name: Set TAG
        run: |
--- a/.github/workflows/ci.yml
+++ b/.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@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+        uses: actions/cache@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
        with:
          path: venv
          # yamllint disable-line rule:line-length
@@ -152,12 +152,12 @@ jobs:
          . venv/bin/activate
          pytest -vv --cov-report=xml --tb=native -n auto tests --ignore=tests/integration/
      - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@5a1091511ad55cbe89839c7260b706298ca349f7 # v5.5.1
+        uses: codecov/codecov-action@671740ac38dd9b0130fbe1cec585b89eea48d3de # v5.5.2
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
      - name: Save Python virtual environment cache
        if: github.ref == 'refs/heads/dev'
-        uses: actions/cache/save@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+        uses: actions/cache/save@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
        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: ${{ needs.common.outputs.cache-key }}
      - name: Restore components graph cache
-        uses: actions/cache/restore@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+        uses: actions/cache/restore@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
        with:
          path: .temp/components_graph.json
          key: components-graph-${{ hashFiles('esphome/components/**/*.py') }}
@@ -223,7 +223,7 @@ jobs:
          echo "component-test-batches=$(echo "$output" | jq -c '.component_test_batches')" >> $GITHUB_OUTPUT
      - name: Save components graph cache
        if: github.ref == 'refs/heads/dev'
-        uses: actions/cache/save@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+        uses: actions/cache/save@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
        with:
          path: .temp/components_graph.json
          key: components-graph-${{ hashFiles('esphome/components/**/*.py') }}
@@ -245,7 +245,7 @@ jobs:
          python-version: "3.13"
      - name: Restore Python virtual environment
        id: cache-venv
-        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+        uses: actions/cache@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
        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@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+        uses: actions/cache@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
        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@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+        uses: actions/cache/restore@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
        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@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+        uses: actions/cache@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
        with:
          path: ~/.platformio
          key: platformio-tidyesp32-${{ hashFiles('platformio.ini') }}

      - name: Cache platformio
        if: github.ref != 'refs/heads/dev'
-        uses: actions/cache/restore@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+        uses: actions/cache/restore@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
        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@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+        uses: actions/cache@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
        with:
          path: ~/.platformio
          key: platformio-tidyesp32-${{ hashFiles('platformio.ini') }}

      - name: Cache platformio
        if: github.ref != 'refs/heads/dev'
-        uses: actions/cache/restore@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+        uses: actions/cache/restore@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
        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@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+        uses: actions/cache/restore@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
        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@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+        uses: actions/cache/restore@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
        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@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+        uses: actions/cache/save@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
        with:
          path: memory-analysis-target.json
          key: ${{ steps.cache-key.outputs.cache-key }}
@@ -821,7 +821,7 @@ jobs:
          fi

      - name: Upload memory analysis JSON
-        uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
        with:
          name: memory-analysis-target
          path: memory-analysis-target.json
@@ -847,7 +847,7 @@ jobs:
          python-version: ${{ env.DEFAULT_PYTHON }}
          cache-key: ${{ needs.common.outputs.cache-key }}
      - name: Cache platformio
-        uses: actions/cache/restore@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+        uses: actions/cache/restore@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
        with:
          path: ~/.platformio
          key: platformio-memory-${{ fromJSON(needs.determine-jobs.outputs.memory_impact).platform }}-${{ hashFiles('platformio.ini') }}
@@ -885,7 +885,7 @@ jobs:
            --platform "$platform"

      - name: Upload memory analysis JSON
-        uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
        with:
          name: memory-analysis-pr
          path: memory-analysis-pr.json
@@ -915,13 +915,13 @@ jobs:
          python-version: ${{ env.DEFAULT_PYTHON }}
          cache-key: ${{ needs.common.outputs.cache-key }}
      - name: Download target analysis JSON
-        uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
+        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
        with:
          name: memory-analysis-target
          path: ./memory-analysis
        continue-on-error: true
      - name: Download PR analysis JSON
-        uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
+        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
        with:
          name: memory-analysis-pr
          path: ./memory-analysis
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -58,7 +58,7 @@ jobs:

      # Initializes the CodeQL tools for scanning.
      - name: Initialize CodeQL
-        uses: github/codeql-action/init@cf1bb45a277cb3c205638b2cd5c984db1c46a412 # v4.31.7
+        uses: github/codeql-action/init@5d4e8d1aca955e8d8589aabd499c5cae939e33c7 # v4.31.9
        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@cf1bb45a277cb3c205638b2cd5c984db1c46a412 # v4.31.7
+        uses: github/codeql-action/analyze@5d4e8d1aca955e8d8589aabd499c5cae939e33c7 # v4.31.9
        with:
          category: "/language:${{matrix.language}}"
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -99,7 +99,7 @@ jobs:
          python-version: "3.11"

      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
+        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0

      - name: Log in to docker hub
        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
@@ -138,7 +138,7 @@ jobs:
      #     version: ${{ needs.init.outputs.tag }}

      - name: Upload digests
-        uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
        with:
          name: digests-${{ matrix.platform.arch }}
          path: /tmp/digests
@@ -171,14 +171,14 @@ jobs:
      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1

      - name: Download digests
-        uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
+        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
        with:
          pattern: digests-*
          path: /tmp/digests
          merge-multiple: true

      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
+        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0

      - name: Log in to docker hub
        if: matrix.registry == 'dockerhub'
@@ -221,7 +221,7 @@ jobs:
    steps:
      - name: Generate a token
        id: generate-token
-        uses: actions/create-github-app-token@7e473efe3cb98aa54f8d4bac15400b15fad77d94 # v2.2.0
+        uses: actions/create-github-app-token@29824e69f54612133e76f7eaac726eef6c875baf # v2.2.1
        with:
          app-id: ${{ secrets.ESPHOME_GITHUB_APP_ID }}
          private-key: ${{ secrets.ESPHOME_GITHUB_APP_PRIVATE_KEY }}
@@ -256,7 +256,7 @@ jobs:
    steps:
      - name: Generate a token
        id: generate-token
-        uses: actions/create-github-app-token@7e473efe3cb98aa54f8d4bac15400b15fad77d94 # v2.2.0
+        uses: actions/create-github-app-token@29824e69f54612133e76f7eaac726eef6c875baf # v2.2.1
        with:
          app-id: ${{ secrets.ESPHOME_GITHUB_APP_ID }}
          private-key: ${{ secrets.ESPHOME_GITHUB_APP_PRIVATE_KEY }}
@@ -287,7 +287,7 @@ jobs:
    steps:
      - name: Generate a token
        id: generate-token
-        uses: actions/create-github-app-token@7e473efe3cb98aa54f8d4bac15400b15fad77d94 # v2.2.0
+        uses: actions/create-github-app-token@29824e69f54612133e76f7eaac726eef6c875baf # v2.2.1
        with:
          app-id: ${{ secrets.ESPHOME_GITHUB_APP_ID }}
          private-key: ${{ secrets.ESPHOME_GITHUB_APP_PRIVATE_KEY }}
--- a/.github/workflows/sync-device-classes.yml
+++ b/.github/workflows/sync-device-classes.yml
@@ -41,7 +41,7 @@ jobs:
          python script/run-in-env.py pre-commit run --all-files

      - name: Commit changes
-        uses: peter-evans/create-pull-request@22a9089034f40e5a961c8808d113e2c98fb63676 # v7.0.11
+        uses: peter-evans/create-pull-request@98357b18bf14b5342f975ff684046ec3b2a07725 # v8.0.0
        with:
          commit-message: "Synchronise Device Classes from Home Assistant"
          committer: esphomebot <esphome@openhomefoundation.org>
--- a/.gitignore
+++ b/.gitignore
@@ -91,6 +91,10 @@ venv-*/
 # mypy
 .mypy_cache/

+# nix
+/default.nix
+/shell.nix
+
 .pioenvs
 .piolibdeps
 .pio
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -11,7 +11,7 @@ ci:
 repos:
  - repo: https://github.com/astral-sh/ruff-pre-commit
    # Ruff version.
-    rev: v0.14.8
+    rev: v0.14.10
    hooks:
      # Run the linter.
      - id: ruff
--- a/4
+++ b/4
@@ -42,6 +42,7 @@ esphome/components/animation/* @syndlex
 esphome/components/anova/* @buxtronix
 esphome/components/apds9306/* @aodrenah
 esphome/components/api/* @esphome/core
+esphome/components/aqi/* @freekode @jasstrong @ximex
 esphome/components/as5600/* @ammmze
 esphome/components/as5600/sensor/* @ammmze
 esphome/components/as7341/* @mrgnr
@@ -215,6 +216,7 @@ esphome/components/hlk_fm22x/* @OnFreund
 esphome/components/hlw8032/* @rici4kubicek
 esphome/components/hm3301/* @freekode
 esphome/components/hmac_md5/* @dwmw2
+esphome/components/hmac_sha256/* @dwmw2
 esphome/components/homeassistant/* @esphome/core @OttoWinter
 esphome/components/homeassistant/number/* @landonr
 esphome/components/homeassistant/switch/* @Links2004
@@ -517,6 +519,7 @@ esphome/components/tuya/switch/* @jesserockz
 esphome/components/tuya/text_sensor/* @dentra
 esphome/components/uart/* @esphome/core
 esphome/components/uart/button/* @ssieb
+esphome/components/uart/event/* @eoasmxd
 esphome/components/uart/packet_transport/* @clydebarrow
 esphome/components/udp/* @clydebarrow
 esphome/components/ufire_ec/* @pvizeli
@@ -535,6 +538,7 @@ esphome/components/version/* @esphome/core
 esphome/components/voice_assistant/* @jesserockz @kahrendt
 esphome/components/wake_on_lan/* @clydebarrow @willwill2will54
 esphome/components/watchdog/* @oarcher
+esphome/components/water_heater/* @dhoeben
 esphome/components/waveshare_epaper/* @clydebarrow
 esphome/components/web_server/ota/* @esphome/core
 esphome/components/web_server_base/* @esphome/core
--- a/2
+++ b/2
@@ -48,7 +48,7 @@ PROJECT_NAME           = ESPHome
 # could be handy for archiving the generated documentation or if some version
 # control system is used.

-PROJECT_NUMBER         = 2025.12.0b3
+PROJECT_NUMBER         = 2026.1.0-dev

 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
--- a/esphome/main.py
+++ b/esphome/main.py
@@ -518,10 +518,49 @@ def compile_program(args: ArgsProtocol, config: ConfigType) -> int:
    rc = platformio_api.run_compile(config, CORE.verbose)
    if rc != 0:
        return rc
+
+    # Check if firmware was rebuilt and emit build_info + create manifest
+    _check_and_emit_build_info()
+
    idedata = platformio_api.get_idedata(config)
    return 0 if idedata is not None else 1


+def _check_and_emit_build_info() -> None:
+    """Check if firmware was rebuilt and emit build_info."""
+    import json
+
+    firmware_path = CORE.firmware_bin
+    build_info_json_path = CORE.relative_build_path("build_info.json")
+
+    # Check if both files exist
+    if not firmware_path.exists() or not build_info_json_path.exists():
+        return
+
+    # Check if firmware is newer than build_info (indicating a relink occurred)
+    if firmware_path.stat().st_mtime <= build_info_json_path.stat().st_mtime:
+        return
+
+    # Read build_info from JSON
+    try:
+        with open(build_info_json_path, encoding="utf-8") as f:
+            build_info = json.load(f)
+    except (OSError, json.JSONDecodeError) as e:
+        _LOGGER.debug("Failed to read build_info: %s", e)
+        return
+
+    config_hash = build_info.get("config_hash")
+    build_time_str = build_info.get("build_time_str")
+
+    if config_hash is None or build_time_str is None:
+        return
+
+    # Emit build_info with human-readable time
+    _LOGGER.info(
+        "Build Info: config_hash=0x%08x build_time_str=%s", config_hash, build_time_str
+    )
+
+
 def upload_using_esptool(
    config: ConfigType, port: str, file: str, speed: int
 ) -> str | int:
@@ -750,7 +789,13 @@ def command_compile(args: ArgsProtocol, config: ConfigType) -> int | None:
    exit_code = compile_program(args, config)
    if exit_code != 0:
        return exit_code
-    _LOGGER.info("Successfully compiled program.")
+    if CORE.is_host:
+        from esphome.platformio_api import get_idedata
+
+        program_path = str(get_idedata(config).firmware_elf_path)
+        _LOGGER.info("Successfully compiled program to path '%s'", program_path)
+    else:
+        _LOGGER.info("Successfully compiled program.")
    return 0


@@ -800,10 +845,8 @@ def command_run(args: ArgsProtocol, config: ConfigType) -> int | None:
    if CORE.is_host:
        from esphome.platformio_api import get_idedata

-        idedata = get_idedata(config)
-        if idedata is None:
-            return 1
-        program_path = idedata.raw["prog_path"]
+        program_path = str(get_idedata(config).firmware_elf_path)
+        _LOGGER.info("Running program from path '%s'", program_path)
        return run_external_process(program_path)

    # Get devices, resolving special identifiers like OTA
--- a/esphome/components/ade7880/sensor.py
+++ b/esphome/components/ade7880/sensor.py
@@ -227,7 +227,7 @@ CONFIG_SCHEMA = cv.All(
        {
            cv.GenerateID(): cv.declare_id(ADE7880),
            cv.Optional(CONF_FREQUENCY, default="50Hz"): cv.All(
-                cv.frequency, cv.Range(min=45.0, max=66.0)
+                cv.frequency, cv.float_range(min=45.0, max=66.0)
            ),
            cv.Optional(CONF_IRQ0_PIN): pins.internal_gpio_input_pin_schema,
            cv.Required(CONF_IRQ1_PIN): pins.internal_gpio_input_pin_schema,
--- a/esphome/components/alarm_control_panel/alarm_control_panel.cpp
+++ b/esphome/components/alarm_control_panel/alarm_control_panel.cpp
@@ -8,8 +8,7 @@
 #include "esphome/core/helpers.h"
 #include "esphome/core/log.h"

-namespace esphome {
-namespace alarm_control_panel {
+namespace esphome::alarm_control_panel {

 static const char *const TAG = "alarm_control_panel";

@@ -35,26 +34,12 @@ void AlarmControlPanel::publish_state(AlarmControlPanelState state) {
    ESP_LOGD(TAG, "Set state to: %s, previous: %s", LOG_STR_ARG(alarm_control_panel_state_to_string(state)),
             LOG_STR_ARG(alarm_control_panel_state_to_string(prev_state)));
    this->current_state_ = state;
+    // Single state callback - triggers check get_state() for specific states
    this->state_callback_.call();
 #if defined(USE_ALARM_CONTROL_PANEL) && defined(USE_CONTROLLER_REGISTRY)
    ControllerRegistry::notify_alarm_control_panel_update(this);
 #endif
-    if (state == ACP_STATE_TRIGGERED) {
-      this->triggered_callback_.call();
-    } else if (state == ACP_STATE_ARMING) {
-      this->arming_callback_.call();
-    } else if (state == ACP_STATE_PENDING) {
-      this->pending_callback_.call();
-    } else if (state == ACP_STATE_ARMED_HOME) {
-      this->armed_home_callback_.call();
-    } else if (state == ACP_STATE_ARMED_NIGHT) {
-      this->armed_night_callback_.call();
-    } else if (state == ACP_STATE_ARMED_AWAY) {
-      this->armed_away_callback_.call();
-    } else if (state == ACP_STATE_DISARMED) {
-      this->disarmed_callback_.call();
-    }
-
+    // Cleared fires when leaving TRIGGERED state
    if (prev_state == ACP_STATE_TRIGGERED) {
      this->cleared_callback_.call();
    }
@@ -69,34 +54,6 @@ void AlarmControlPanel::add_on_state_callback(std::function<void()> &&callback)
  this->state_callback_.add(std::move(callback));
 }

-void AlarmControlPanel::add_on_triggered_callback(std::function<void()> &&callback) {
-  this->triggered_callback_.add(std::move(callback));
-}
-
-void AlarmControlPanel::add_on_arming_callback(std::function<void()> &&callback) {
-  this->arming_callback_.add(std::move(callback));
-}
-
-void AlarmControlPanel::add_on_armed_home_callback(std::function<void()> &&callback) {
-  this->armed_home_callback_.add(std::move(callback));
-}
-
-void AlarmControlPanel::add_on_armed_night_callback(std::function<void()> &&callback) {
-  this->armed_night_callback_.add(std::move(callback));
-}
-
-void AlarmControlPanel::add_on_armed_away_callback(std::function<void()> &&callback) {
-  this->armed_away_callback_.add(std::move(callback));
-}
-
-void AlarmControlPanel::add_on_pending_callback(std::function<void()> &&callback) {
-  this->pending_callback_.add(std::move(callback));
-}
-
-void AlarmControlPanel::add_on_disarmed_callback(std::function<void()> &&callback) {
-  this->disarmed_callback_.add(std::move(callback));
-}
-
 void AlarmControlPanel::add_on_cleared_callback(std::function<void()> &&callback) {
  this->cleared_callback_.add(std::move(callback));
 }
@@ -157,5 +114,4 @@ void AlarmControlPanel::disarm(optional<std::string> code) {
  call.perform();
 }

-}  // namespace alarm_control_panel
-}  // namespace esphome
+}  // namespace esphome::alarm_control_panel
--- a/esphome/components/alarm_control_panel/alarm_control_panel.h
+++ b/esphome/components/alarm_control_panel/alarm_control_panel.h
@@ -1,7 +1,5 @@
 #pragma once

-#include <map>
-
 #include "alarm_control_panel_call.h"
 #include "alarm_control_panel_state.h"

@@ -9,8 +7,7 @@
 #include "esphome/core/entity_base.h"
 #include "esphome/core/log.h"

-namespace esphome {
-namespace alarm_control_panel {
+namespace esphome::alarm_control_panel {

 enum AlarmControlPanelFeature : uint8_t {
  // Matches Home Assistant values
@@ -35,54 +32,13 @@ class AlarmControlPanel : public EntityBase {
   */
  void publish_state(AlarmControlPanelState state);

-  /** Add a callback for when the state of the alarm_control_panel changes
+  /** Add a callback for when the state of the alarm_control_panel changes.
+   * Triggers can check get_state() to determine the new state.
   *
   * @param callback The callback function
   */
  void add_on_state_callback(std::function<void()> &&callback);

-  /** Add a callback for when the state of the alarm_control_panel chanes to triggered
-   *
-   * @param callback The callback function
-   */
-  void add_on_triggered_callback(std::function<void()> &&callback);
-
-  /** Add a callback for when the state of the alarm_control_panel chanes to arming
-   *
-   * @param callback The callback function
-   */
-  void add_on_arming_callback(std::function<void()> &&callback);
-
-  /** Add a callback for when the state of the alarm_control_panel changes to pending
-   *
-   * @param callback The callback function
-   */
-  void add_on_pending_callback(std::function<void()> &&callback);
-
-  /** Add a callback for when the state of the alarm_control_panel changes to armed_home
-   *
-   * @param callback The callback function
-   */
-  void add_on_armed_home_callback(std::function<void()> &&callback);
-
-  /** Add a callback for when the state of the alarm_control_panel changes to armed_night
-   *
-   * @param callback The callback function
-   */
-  void add_on_armed_night_callback(std::function<void()> &&callback);
-
-  /** Add a callback for when the state of the alarm_control_panel changes to armed_away
-   *
-   * @param callback The callback function
-   */
-  void add_on_armed_away_callback(std::function<void()> &&callback);
-
-  /** Add a callback for when the state of the alarm_control_panel changes to disarmed
-   *
-   * @param callback The callback function
-   */
-  void add_on_disarmed_callback(std::function<void()> &&callback);
-
  /** Add a callback for when the state of the alarm_control_panel clears from triggered
   *
   * @param callback The callback function
@@ -172,29 +128,14 @@ class AlarmControlPanel : public EntityBase {
  uint32_t last_update_;
  // the call control function
  virtual void control(const AlarmControlPanelCall &call) = 0;
-  // state callback
-  CallbackManager<void()> state_callback_{};
-  // trigger callback
-  CallbackManager<void()> triggered_callback_{};
-  // arming callback
-  CallbackManager<void()> arming_callback_{};
-  // pending callback
-  CallbackManager<void()> pending_callback_{};
-  // armed_home callback
-  CallbackManager<void()> armed_home_callback_{};
-  // armed_night callback
-  CallbackManager<void()> armed_night_callback_{};
-  // armed_away callback
-  CallbackManager<void()> armed_away_callback_{};
-  // disarmed callback
-  CallbackManager<void()> disarmed_callback_{};
-  // clear callback
-  CallbackManager<void()> cleared_callback_{};
+  // state callback - triggers check get_state() for specific state
+  LazyCallbackManager<void()> state_callback_{};
+  // clear callback - fires when leaving TRIGGERED state
+  LazyCallbackManager<void()> cleared_callback_{};
  // chime callback
-  CallbackManager<void()> chime_callback_{};
+  LazyCallbackManager<void()> chime_callback_{};
  // ready callback
-  CallbackManager<void()> ready_callback_{};
+  LazyCallbackManager<void()> ready_callback_{};
 };

-}  // namespace alarm_control_panel
-}  // namespace esphome
+}  // namespace esphome::alarm_control_panel
--- a/esphome/components/alarm_control_panel/alarm_control_panel_call.cpp
+++ b/esphome/components/alarm_control_panel/alarm_control_panel_call.cpp
@@ -4,8 +4,7 @@

 #include "esphome/core/log.h"

-namespace esphome {
-namespace alarm_control_panel {
+namespace esphome::alarm_control_panel {

 static const char *const TAG = "alarm_control_panel";

@@ -99,5 +98,4 @@ void AlarmControlPanelCall::perform() {
  }
 }

-}  // namespace alarm_control_panel
-}  // namespace esphome
+}  // namespace esphome::alarm_control_panel
--- a/esphome/components/alarm_control_panel/alarm_control_panel_call.h
+++ b/esphome/components/alarm_control_panel/alarm_control_panel_call.h
@@ -6,8 +6,7 @@

 #include "esphome/core/helpers.h"

-namespace esphome {
-namespace alarm_control_panel {
+namespace esphome::alarm_control_panel {

 class AlarmControlPanel;

@@ -36,5 +35,4 @@ class AlarmControlPanelCall {
  void validate_();
 };

-}  // namespace alarm_control_panel
-}  // namespace esphome
+}  // namespace esphome::alarm_control_panel
--- a/esphome/components/alarm_control_panel/alarm_control_panel_state.cpp
+++ b/esphome/components/alarm_control_panel/alarm_control_panel_state.cpp
@@ -1,7 +1,6 @@
 #include "alarm_control_panel_state.h"

-namespace esphome {
-namespace alarm_control_panel {
+namespace esphome::alarm_control_panel {

 const LogString *alarm_control_panel_state_to_string(AlarmControlPanelState state) {
  switch (state) {
@@ -30,5 +29,4 @@ const LogString *alarm_control_panel_state_to_string(AlarmControlPanelState stat
  }
 }

-}  // namespace alarm_control_panel
-}  // namespace esphome
+}  // namespace esphome::alarm_control_panel
--- a/esphome/components/alarm_control_panel/alarm_control_panel_state.h
+++ b/esphome/components/alarm_control_panel/alarm_control_panel_state.h
@@ -3,8 +3,7 @@
 #include <cstdint>
 #include "esphome/core/log.h"

-namespace esphome {
-namespace alarm_control_panel {
+namespace esphome::alarm_control_panel {

 enum AlarmControlPanelState : uint8_t {
  ACP_STATE_DISARMED = 0,
@@ -25,5 +24,4 @@ enum AlarmControlPanelState : uint8_t {
 */
 const LogString *alarm_control_panel_state_to_string(AlarmControlPanelState state);

-}  // namespace alarm_control_panel
-}  // namespace esphome
+}  // namespace esphome::alarm_control_panel
--- a/esphome/components/alarm_control_panel/automation.h
+++ b/esphome/components/alarm_control_panel/automation.h
@@ -3,9 +3,9 @@
 #include "esphome/core/automation.h"
 #include "alarm_control_panel.h"

-namespace esphome {
-namespace alarm_control_panel {
+namespace esphome::alarm_control_panel {

+/// Trigger on any state change
 class StateTrigger : public Trigger<> {
 public:
  explicit StateTrigger(AlarmControlPanel *alarm_control_panel) {
@@ -13,55 +13,30 @@ class StateTrigger : public Trigger<> {
  }
 };

-class TriggeredTrigger : public Trigger<> {
+/// Template trigger that fires when entering a specific state
+template<AlarmControlPanelState State> class StateEnterTrigger : public Trigger<> {
 public:
-  explicit TriggeredTrigger(AlarmControlPanel *alarm_control_panel) {
-    alarm_control_panel->add_on_triggered_callback([this]() { this->trigger(); });
+  explicit StateEnterTrigger(AlarmControlPanel *alarm_control_panel) : alarm_control_panel_(alarm_control_panel) {
+    alarm_control_panel->add_on_state_callback([this]() {
+      if (this->alarm_control_panel_->get_state() == State)
+        this->trigger();
+    });
  }
+
+ protected:
+  AlarmControlPanel *alarm_control_panel_;
 };

-class ArmingTrigger : public Trigger<> {
- public:
-  explicit ArmingTrigger(AlarmControlPanel *alarm_control_panel) {
-    alarm_control_panel->add_on_arming_callback([this]() { this->trigger(); });
-  }
-};
-
-class PendingTrigger : public Trigger<> {
- public:
-  explicit PendingTrigger(AlarmControlPanel *alarm_control_panel) {
-    alarm_control_panel->add_on_pending_callback([this]() { this->trigger(); });
-  }
-};
-
-class ArmedHomeTrigger : public Trigger<> {
- public:
-  explicit ArmedHomeTrigger(AlarmControlPanel *alarm_control_panel) {
-    alarm_control_panel->add_on_armed_home_callback([this]() { this->trigger(); });
-  }
-};
-
-class ArmedNightTrigger : public Trigger<> {
- public:
-  explicit ArmedNightTrigger(AlarmControlPanel *alarm_control_panel) {
-    alarm_control_panel->add_on_armed_night_callback([this]() { this->trigger(); });
-  }
-};
-
-class ArmedAwayTrigger : public Trigger<> {
- public:
-  explicit ArmedAwayTrigger(AlarmControlPanel *alarm_control_panel) {
-    alarm_control_panel->add_on_armed_away_callback([this]() { this->trigger(); });
-  }
-};
-
-class DisarmedTrigger : public Trigger<> {
- public:
-  explicit DisarmedTrigger(AlarmControlPanel *alarm_control_panel) {
-    alarm_control_panel->add_on_disarmed_callback([this]() { this->trigger(); });
-  }
-};
+// Type aliases for state-specific triggers
+using TriggeredTrigger = StateEnterTrigger<ACP_STATE_TRIGGERED>;
+using ArmingTrigger = StateEnterTrigger<ACP_STATE_ARMING>;
+using PendingTrigger = StateEnterTrigger<ACP_STATE_PENDING>;
+using ArmedHomeTrigger = StateEnterTrigger<ACP_STATE_ARMED_HOME>;
+using ArmedNightTrigger = StateEnterTrigger<ACP_STATE_ARMED_NIGHT>;
+using ArmedAwayTrigger = StateEnterTrigger<ACP_STATE_ARMED_AWAY>;
+using DisarmedTrigger = StateEnterTrigger<ACP_STATE_DISARMED>;

+/// Trigger when leaving TRIGGERED state (alarm cleared)
 class ClearedTrigger : public Trigger<> {
 public:
  explicit ClearedTrigger(AlarmControlPanel *alarm_control_panel) {
@@ -69,6 +44,7 @@ class ClearedTrigger : public Trigger<> {
  }
 };

+/// Trigger on chime event (zone opened while disarmed)
 class ChimeTrigger : public Trigger<> {
 public:
  explicit ChimeTrigger(AlarmControlPanel *alarm_control_panel) {
@@ -76,6 +52,7 @@ class ChimeTrigger : public Trigger<> {
  }
 };

+/// Trigger on ready state change
 class ReadyTrigger : public Trigger<> {
 public:
  explicit ReadyTrigger(AlarmControlPanel *alarm_control_panel) {
@@ -187,5 +164,4 @@ template<typename... Ts> class AlarmControlPanelCondition : public Condition<Ts.
  AlarmControlPanel *parent_;
 };

-}  // namespace alarm_control_panel
-}  // namespace esphome
+}  // namespace esphome::alarm_control_panel
--- a/esphome/components/api/api.proto
+++ b/esphome/components/api/api.proto
@@ -477,7 +477,7 @@ message FanCommandRequest {
  bool has_speed_level = 10;
  int32 speed_level = 11;
  bool has_preset_mode = 12;
-  string preset_mode = 13;
+  string preset_mode = 13 [(pointer_to_buffer) = true];
  uint32 device_id = 14 [(field_ifdef) = "USE_DEVICES"];
 }

@@ -747,7 +747,7 @@ message NoiseEncryptionSetKeyRequest {
  option (source) = SOURCE_CLIENT;
  option (ifdef) = "USE_API_NOISE";

-  bytes key = 1;
+  bytes key = 1 [(pointer_to_buffer) = true];
 }

 message NoiseEncryptionSetKeyResponse {
@@ -824,9 +824,9 @@ message HomeAssistantStateResponse {
  option (no_delay) = true;
  option (ifdef) = "USE_API_HOMEASSISTANT_STATES";

-  string entity_id = 1;
-  string state = 2;
-  string attribute = 3;
+  string entity_id = 1 [(pointer_to_buffer) = true];
+  string state = 2 [(pointer_to_buffer) = true];
+  string attribute = 3 [(pointer_to_buffer) = true];
 }

 // ==================== IMPORT TIME ====================
@@ -1091,16 +1091,95 @@ message ClimateCommandRequest {
  bool has_swing_mode = 14;
  ClimateSwingMode swing_mode = 15;
  bool has_custom_fan_mode = 16;
-  string custom_fan_mode = 17;
+  string custom_fan_mode = 17 [(pointer_to_buffer) = true];
  bool has_preset = 18;
  ClimatePreset preset = 19;
  bool has_custom_preset = 20;
-  string custom_preset = 21;
+  string custom_preset = 21 [(pointer_to_buffer) = true];
  bool has_target_humidity = 22;
  float target_humidity = 23;
  uint32 device_id = 24 [(field_ifdef) = "USE_DEVICES"];
 }

+// ==================== WATER_HEATER ====================
+enum WaterHeaterMode {
+  WATER_HEATER_MODE_OFF = 0;
+  WATER_HEATER_MODE_ECO = 1;
+  WATER_HEATER_MODE_ELECTRIC = 2;
+  WATER_HEATER_MODE_PERFORMANCE = 3;
+  WATER_HEATER_MODE_HIGH_DEMAND = 4;
+  WATER_HEATER_MODE_HEAT_PUMP = 5;
+  WATER_HEATER_MODE_GAS = 6;
+}
+
+message ListEntitiesWaterHeaterResponse {
+  option (id) = 132;
+  option (base_class) = "InfoResponseProtoMessage";
+  option (source) = SOURCE_SERVER;
+  option (ifdef) = "USE_WATER_HEATER";
+
+  string object_id = 1;
+  fixed32 key = 2;
+  string name = 3;
+  string icon = 4 [(field_ifdef) = "USE_ENTITY_ICON"];
+  bool disabled_by_default = 5;
+  EntityCategory entity_category = 6;
+  uint32 device_id = 7 [(field_ifdef) = "USE_DEVICES"];
+  float min_temperature = 8;
+  float max_temperature = 9;
+  float target_temperature_step = 10;
+  repeated WaterHeaterMode supported_modes = 11 [(container_pointer_no_template) = "water_heater::WaterHeaterModeMask"];
+  // Bitmask of WaterHeaterFeature flags
+  uint32 supported_features = 12;
+}
+
+message WaterHeaterStateResponse {
+  option (id) = 133;
+  option (base_class) = "StateResponseProtoMessage";
+  option (source) = SOURCE_SERVER;
+  option (ifdef) = "USE_WATER_HEATER";
+  option (no_delay) = true;
+
+  fixed32 key = 1;
+  float current_temperature = 2;
+  float target_temperature = 3;
+  WaterHeaterMode mode = 4;
+  uint32 device_id = 5 [(field_ifdef) = "USE_DEVICES"];
+  // Bitmask of current state flags (bit 0 = away, bit 1 = on)
+  uint32 state = 6;
+  float target_temperature_low = 7;
+  float target_temperature_high = 8;
+}
+
+// Bitmask for WaterHeaterCommandRequest.has_fields
+enum WaterHeaterCommandHasField {
+  WATER_HEATER_COMMAND_HAS_NONE = 0;
+  WATER_HEATER_COMMAND_HAS_MODE = 1;
+  WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE = 2;
+  WATER_HEATER_COMMAND_HAS_STATE = 4;
+  WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE_LOW = 8;
+  WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE_HIGH = 16;
+}
+
+message WaterHeaterCommandRequest {
+  option (id) = 134;
+  option (source) = SOURCE_CLIENT;
+  option (ifdef) = "USE_WATER_HEATER";
+  option (no_delay) = true;
+  option (base_class) = "CommandProtoMessage";
+
+  fixed32 key = 1;
+  // Bitmask of which fields are set (see WaterHeaterCommandHasField)
+  uint32 has_fields = 2;
+  WaterHeaterMode mode = 3;
+  float target_temperature = 4;
+  uint32 device_id = 5 [(field_ifdef) = "USE_DEVICES"];
+  // State flags bitmask (bit 0 = away, bit 1 = on)
+  uint32 state = 6;
+  float target_temperature_low = 7;
+  float target_temperature_high = 8;
+}
+
 // ==================== NUMBER ====================
 enum NumberMode {
  NUMBER_MODE_AUTO = 0;
--- a/esphome/components/api/api_connection.cpp
+++ b/esphome/components/api/api_connection.cpp
@@ -13,6 +13,7 @@
 #include <cinttypes>
 #include <functional>
 #include <limits>
+#include <new>
 #include <utility>
 #ifdef USE_ESP8266
 #include <pgmspace.h>
@@ -42,6 +43,9 @@
 #ifdef USE_ZWAVE_PROXY
 #include "esphome/components/zwave_proxy/zwave_proxy.h"
 #endif
+#ifdef USE_WATER_HEATER
+#include "esphome/components/water_heater/water_heater.h"
+#endif

 namespace esphome::api {

@@ -93,8 +97,7 @@ static const int CAMERA_STOP_STREAM = 5000;
    return;
 #endif  // USE_DEVICES

-APIConnection::APIConnection(std::unique_ptr<socket::Socket> sock, APIServer *parent)
-    : parent_(parent), initial_state_iterator_(this), list_entities_iterator_(this) {
+APIConnection::APIConnection(std::unique_ptr<socket::Socket> sock, APIServer *parent) : parent_(parent) {
 #if defined(USE_API_PLAINTEXT) && defined(USE_API_NOISE)
  auto &noise_ctx = parent->get_noise_ctx();
  if (noise_ctx.has_psk()) {
@@ -133,6 +136,7 @@ void APIConnection::start() {
 }

 APIConnection::~APIConnection() {
+  this->destroy_active_iterator_();
 #ifdef USE_BLUETOOTH_PROXY
  if (bluetooth_proxy::global_bluetooth_proxy->get_api_connection() == this) {
    bluetooth_proxy::global_bluetooth_proxy->unsubscribe_api_connection(this);
@@ -145,6 +149,32 @@ APIConnection::~APIConnection() {
 #endif
 }

+void APIConnection::destroy_active_iterator_() {
+  switch (this->active_iterator_) {
+    case ActiveIterator::LIST_ENTITIES:
+      this->iterator_storage_.list_entities.~ListEntitiesIterator();
+      break;
+    case ActiveIterator::INITIAL_STATE:
+      this->iterator_storage_.initial_state.~InitialStateIterator();
+      break;
+    case ActiveIterator::NONE:
+      break;
+  }
+  this->active_iterator_ = ActiveIterator::NONE;
+}
+
+void APIConnection::begin_iterator_(ActiveIterator type) {
+  this->destroy_active_iterator_();
+  this->active_iterator_ = type;
+  if (type == ActiveIterator::LIST_ENTITIES) {
+    new (&this->iterator_storage_.list_entities) ListEntitiesIterator(this);
+    this->iterator_storage_.list_entities.begin();
+  } else {
+    new (&this->iterator_storage_.initial_state) InitialStateIterator(this);
+    this->iterator_storage_.initial_state.begin();
+  }
+}
+
 void APIConnection::loop() {
  if (this->flags_.next_close) {
    // requested a disconnect
@@ -187,23 +217,35 @@ void APIConnection::loop() {
    this->process_batch_();
  }

-  if (!this->list_entities_iterator_.completed()) {
-    this->process_iterator_batch_(this->list_entities_iterator_);
-  } else if (!this->initial_state_iterator_.completed()) {
-    this->process_iterator_batch_(this->initial_state_iterator_);
-
-    // If we've completed initial states, process any remaining and clear the flag
-    if (this->initial_state_iterator_.completed()) {
-      // Process any remaining batched messages immediately
-      if (!this->deferred_batch_.empty()) {
-        this->process_batch_();
+  switch (this->active_iterator_) {
+    case ActiveIterator::LIST_ENTITIES:
+      if (this->iterator_storage_.list_entities.completed()) {
+        this->destroy_active_iterator_();
+        if (this->flags_.state_subscription) {
+          this->begin_iterator_(ActiveIterator::INITIAL_STATE);
+        }
+      } else {
+        this->process_iterator_batch_(this->iterator_storage_.list_entities);
      }
-      // Now that everything is sent, enable immediate sending for future state changes
-      this->flags_.should_try_send_immediately = true;
-      // Release excess memory from buffers that grew during initial sync
-      this->deferred_batch_.release_buffer();
-      this->helper_->release_buffers();
-    }
+      break;
+    case ActiveIterator::INITIAL_STATE:
+      if (this->iterator_storage_.initial_state.completed()) {
+        this->destroy_active_iterator_();
+        // Process any remaining batched messages immediately
+        if (!this->deferred_batch_.empty()) {
+          this->process_batch_();
+        }
+        // Now that everything is sent, enable immediate sending for future state changes
+        this->flags_.should_try_send_immediately = true;
+        // Release excess memory from buffers that grew during initial sync
+        this->deferred_batch_.release_buffer();
+        this->helper_->release_buffers();
+      } else {
+        this->process_iterator_batch_(this->iterator_storage_.initial_state);
+      }
+      break;
+    case ActiveIterator::NONE:
+      break;
  }

  if (this->flags_.sent_ping) {
@@ -228,33 +270,17 @@ void APIConnection::loop() {
    }
  }

-#ifdef USE_CAMERA
-  if (this->image_reader_ && this->image_reader_->available() && this->helper_->can_write_without_blocking()) {
-    uint32_t to_send = std::min((size_t) MAX_BATCH_PACKET_SIZE, this->image_reader_->available());
-    bool done = this->image_reader_->available() == to_send;
-
-    CameraImageResponse msg;
-    msg.key = camera::Camera::instance()->get_object_id_hash();
-    msg.set_data(this->image_reader_->peek_data_buffer(), to_send);
-    msg.done = done;
-#ifdef USE_DEVICES
-    msg.device_id = camera::Camera::instance()->get_device_id();
-#endif
-
-    if (this->send_message_(msg, CameraImageResponse::MESSAGE_TYPE)) {
-      this->image_reader_->consume_data(to_send);
-      if (done) {
-        this->image_reader_->return_image();
-      }
-    }
-  }
-#endif
-
 #ifdef USE_API_HOMEASSISTANT_STATES
  if (state_subs_at_ >= 0) {
    this->process_state_subscriptions_();
  }
 #endif
+
+#ifdef USE_CAMERA
+  // Process camera last - state updates are higher priority
+  // (missing a frame is fine, missing a state update is not)
+  this->try_send_camera_image_();
+#endif
 }

 bool APIConnection::send_disconnect_response(const DisconnectRequest &msg) {
@@ -447,7 +473,7 @@ void APIConnection::fan_command(const FanCommandRequest &msg) {
  if (msg.has_direction)
    call.set_direction(static_cast<fan::FanDirection>(msg.direction));
  if (msg.has_preset_mode)
-    call.set_preset_mode(msg.preset_mode);
+    call.set_preset_mode(reinterpret_cast<const char *>(msg.preset_mode), msg.preset_mode_len);
  call.perform();
 }
 #endif
@@ -712,11 +738,11 @@ void APIConnection::climate_command(const ClimateCommandRequest &msg) {
  if (msg.has_fan_mode)
    call.set_fan_mode(static_cast<climate::ClimateFanMode>(msg.fan_mode));
  if (msg.has_custom_fan_mode)
-    call.set_fan_mode(msg.custom_fan_mode);
+    call.set_fan_mode(reinterpret_cast<const char *>(msg.custom_fan_mode), msg.custom_fan_mode_len);
  if (msg.has_preset)
    call.set_preset(static_cast<climate::ClimatePreset>(msg.preset));
  if (msg.has_custom_preset)
-    call.set_preset(msg.custom_preset);
+    call.set_preset(reinterpret_cast<const char *>(msg.custom_preset), msg.custom_preset_len);
  if (msg.has_swing_mode)
    call.set_swing_mode(static_cast<climate::ClimateSwingMode>(msg.swing_mode));
  call.perform();
@@ -1057,6 +1083,36 @@ void APIConnection::media_player_command(const MediaPlayerCommandRequest &msg) {
 #endif

 #ifdef USE_CAMERA
+void APIConnection::try_send_camera_image_() {
+  if (!this->image_reader_)
+    return;
+
+  // Send as many chunks as possible without blocking
+  while (this->image_reader_->available()) {
+    if (!this->helper_->can_write_without_blocking())
+      return;
+
+    uint32_t to_send = std::min((size_t) MAX_BATCH_PACKET_SIZE, this->image_reader_->available());
+    bool done = this->image_reader_->available() == to_send;
+
+    CameraImageResponse msg;
+    msg.key = camera::Camera::instance()->get_object_id_hash();
+    msg.set_data(this->image_reader_->peek_data_buffer(), to_send);
+    msg.done = done;
+#ifdef USE_DEVICES
+    msg.device_id = camera::Camera::instance()->get_device_id();
+#endif
+
+    if (!this->send_message_(msg, CameraImageResponse::MESSAGE_TYPE)) {
+      return;  // Send failed, try again later
+    }
+    this->image_reader_->consume_data(to_send);
+    if (done) {
+      this->image_reader_->return_image();
+      return;
+    }
+  }
+}
 void APIConnection::set_camera_state(std::shared_ptr<camera::CameraImage> image) {
  if (!this->flags_.state_subscription)
    return;
@@ -1064,8 +1120,11 @@ void APIConnection::set_camera_state(std::shared_ptr<camera::CameraImage> image)
    return;
  if (this->image_reader_->available())
    return;
-  if (image->was_requested_by(esphome::camera::API_REQUESTER) || image->was_requested_by(esphome::camera::IDLE))
+  if (image->was_requested_by(esphome::camera::API_REQUESTER) || image->was_requested_by(esphome::camera::IDLE)) {
    this->image_reader_->set_image(std::move(image));
+    // Try to send immediately to reduce latency
+    this->try_send_camera_image_();
+  }
 }
 uint16_t APIConnection::try_send_camera_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
                                             bool is_single) {
@@ -1306,6 +1365,57 @@ void APIConnection::alarm_control_panel_command(const AlarmControlPanelCommandRe
 }
 #endif

+#ifdef USE_WATER_HEATER
+bool APIConnection::send_water_heater_state(water_heater::WaterHeater *water_heater) {
+  return this->send_message_smart_(water_heater, &APIConnection::try_send_water_heater_state,
+                                   WaterHeaterStateResponse::MESSAGE_TYPE, WaterHeaterStateResponse::ESTIMATED_SIZE);
+}
+uint16_t APIConnection::try_send_water_heater_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                                    bool is_single) {
+  auto *wh = static_cast<water_heater::WaterHeater *>(entity);
+  WaterHeaterStateResponse resp;
+  resp.mode = static_cast<enums::WaterHeaterMode>(wh->get_mode());
+  resp.current_temperature = wh->get_current_temperature();
+  resp.target_temperature = wh->get_target_temperature();
+  resp.target_temperature_low = wh->get_target_temperature_low();
+  resp.target_temperature_high = wh->get_target_temperature_high();
+  resp.state = wh->get_state();
+  resp.key = wh->get_object_id_hash();
+
+  return encode_message_to_buffer(resp, WaterHeaterStateResponse::MESSAGE_TYPE, conn, remaining_size, is_single);
+}
+uint16_t APIConnection::try_send_water_heater_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                                   bool is_single) {
+  auto *wh = static_cast<water_heater::WaterHeater *>(entity);
+  ListEntitiesWaterHeaterResponse msg;
+  auto traits = wh->get_traits();
+  msg.min_temperature = traits.get_min_temperature();
+  msg.max_temperature = traits.get_max_temperature();
+  msg.target_temperature_step = traits.get_target_temperature_step();
+  msg.supported_modes = &traits.get_supported_modes();
+  msg.supported_features = traits.get_feature_flags();
+  return fill_and_encode_entity_info(wh, msg, ListEntitiesWaterHeaterResponse::MESSAGE_TYPE, conn, remaining_size,
+                                     is_single);
+}
+
+void APIConnection::on_water_heater_command_request(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));
+  if (msg.has_fields & enums::WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE)
+    call.set_target_temperature(msg.target_temperature);
+  if (msg.has_fields & enums::WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE_LOW)
+    call.set_target_temperature_low(msg.target_temperature_low);
+  if (msg.has_fields & enums::WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE_HIGH)
+    call.set_target_temperature_high(msg.target_temperature_high);
+  if (msg.has_fields & enums::WATER_HEATER_COMMAND_HAS_STATE) {
+    call.set_away((msg.state & water_heater::WATER_HEATER_STATE_AWAY) != 0);
+    call.set_on((msg.state & water_heater::WATER_HEATER_STATE_ON) != 0);
+  }
+  call.perform();
+}
+#endif
+
 #ifdef USE_EVENT
 void APIConnection::send_event(event::Event *event, const char *event_type) {
  this->send_message_smart_(event, MessageCreator(event_type), EventResponse::MESSAGE_TYPE,
@@ -1472,7 +1582,10 @@ bool APIConnection::send_device_info_response(const DeviceInfoRequest &msg) {

  resp.set_esphome_version(ESPHOME_VERSION_REF);

-  resp.set_compilation_time(App.get_compilation_time_ref());
+  // Stack buffer for build time string
+  char build_time_str[Application::BUILD_TIME_STR_SIZE];
+  App.get_build_time_string(build_time_str);
+  resp.set_compilation_time(StringRef(build_time_str));

  // Manufacturer string - define once, handle ESP8266 PROGMEM separately
 #if defined(USE_ESP8266) || defined(USE_ESP32)
@@ -1579,15 +1692,29 @@ bool APIConnection::send_device_info_response(const DeviceInfoRequest &msg) {

 #ifdef USE_API_HOMEASSISTANT_STATES
 void APIConnection::on_home_assistant_state_response(const HomeAssistantStateResponse &msg) {
-  for (auto &it : this->parent_->get_state_subs()) {
-    // Compare entity_id and attribute with message fields
-    bool entity_match = (strcmp(it.entity_id, msg.entity_id.c_str()) == 0);
-    bool attribute_match = (it.attribute != nullptr && strcmp(it.attribute, msg.attribute.c_str()) == 0) ||
-                           (it.attribute == nullptr && msg.attribute.empty());
+  // Skip if entity_id is empty (invalid message)
+  if (msg.entity_id_len == 0) {
+    return;
+  }

-    if (entity_match && attribute_match) {
-      it.callback(msg.state);
+  for (auto &it : this->parent_->get_state_subs()) {
+    // Compare entity_id: check length matches and content matches
+    size_t entity_id_len = strlen(it.entity_id);
+    if (entity_id_len != msg.entity_id_len || memcmp(it.entity_id, msg.entity_id, msg.entity_id_len) != 0) {
+      continue;
    }
+
+    // Compare attribute: either both have matching attribute, or both have none
+    size_t sub_attr_len = it.attribute != nullptr ? strlen(it.attribute) : 0;
+    if (sub_attr_len != msg.attribute_len ||
+        (sub_attr_len > 0 && memcmp(it.attribute, msg.attribute, sub_attr_len) != 0)) {
+      continue;
+    }
+
+    // Create temporary string for callback (callback takes const std::string &)
+    // Handle empty state (nullptr with len=0)
+    std::string state(msg.state_len > 0 ? reinterpret_cast<const char *>(msg.state) : "", msg.state_len);
+    it.callback(state);
  }
 }
 #endif
@@ -1663,13 +1790,13 @@ bool APIConnection::send_noise_encryption_set_key_response(const NoiseEncryption
  resp.success = false;

  psk_t psk{};
-  if (msg.key.empty()) {
+  if (msg.key_len == 0) {
    if (this->parent_->clear_noise_psk(true)) {
      resp.success = true;
    } else {
      ESP_LOGW(TAG, "Failed to clear encryption key");
    }
-  } else if (base64_decode(msg.key, psk.data(), psk.size()) != psk.size()) {
+  } else if (base64_decode(msg.key, msg.key_len, psk.data(), psk.size()) != psk.size()) {
    ESP_LOGW(TAG, "Invalid encryption key length");
  } else if (!this->parent_->save_noise_psk(psk, true)) {
    ESP_LOGW(TAG, "Failed to save encryption key");
--- a/esphome/components/api/api_connection.h
+++ b/esphome/components/api/api_connection.h
@@ -176,6 +176,11 @@ class APIConnection final : public APIServerConnection {
  void alarm_control_panel_command(const AlarmControlPanelCommandRequest &msg) override;
 #endif

+#ifdef USE_WATER_HEATER
+  bool send_water_heater_state(water_heater::WaterHeater *water_heater);
+  void on_water_heater_command_request(const WaterHeaterCommandRequest &msg) override;
+#endif
+
 #ifdef USE_EVENT
  void send_event(event::Event *event, const char *event_type);
 #endif
@@ -203,10 +208,14 @@ class APIConnection final : public APIServerConnection {
  bool send_disconnect_response(const DisconnectRequest &msg) override;
  bool send_ping_response(const PingRequest &msg) override;
  bool send_device_info_response(const DeviceInfoRequest &msg) override;
-  void list_entities(const ListEntitiesRequest &msg) override { this->list_entities_iterator_.begin(); }
+  void list_entities(const ListEntitiesRequest &msg) override { this->begin_iterator_(ActiveIterator::LIST_ENTITIES); }
  void subscribe_states(const SubscribeStatesRequest &msg) override {
    this->flags_.state_subscription = true;
-    this->initial_state_iterator_.begin();
+    // Start initial state iterator only if no iterator is active
+    // If list_entities is running, we'll start initial_state when it completes
+    if (this->active_iterator_ == ActiveIterator::NONE) {
+      this->begin_iterator_(ActiveIterator::INITIAL_STATE);
+    }
  }
  void subscribe_logs(const SubscribeLogsRequest &msg) override {
    this->flags_.log_subscription = msg.level;
@@ -287,6 +296,10 @@ class APIConnection final : public APIServerConnection {
  // Helper function to handle authentication completion
  void complete_authentication_();

+#ifdef USE_CAMERA
+  void try_send_camera_image_();
+#endif
+
 #ifdef USE_API_HOMEASSISTANT_STATES
  void process_state_subscriptions_();
 #endif
@@ -310,17 +323,10 @@ class APIConnection final : public APIServerConnection {
                                              APIConnection *conn, uint32_t remaining_size, bool is_single) {
    // Set common fields that are shared by all entity types
    msg.key = entity->get_object_id_hash();
-    // Try to use static reference first to avoid allocation
-    StringRef static_ref = entity->get_object_id_ref_for_api_();
-    // Store dynamic string outside the if-else to maintain lifetime
-    std::string object_id;
-    if (!static_ref.empty()) {
-      msg.set_object_id(static_ref);
-    } else {
-      // Dynamic case - need to allocate
-      object_id = entity->get_object_id();
-      msg.set_object_id(StringRef(object_id));
-    }
+    // Get object_id with zero heap allocation
+    // Static case returns direct reference, dynamic case uses buffer
+    char object_id_buf[OBJECT_ID_MAX_LEN];
+    msg.set_object_id(entity->get_object_id_to(object_id_buf));

    if (entity->has_own_name()) {
      msg.set_name(entity->get_name());
@@ -456,6 +462,12 @@ class APIConnection final : public APIServerConnection {
  static uint16_t try_send_alarm_control_panel_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
                                                    bool is_single);
 #endif
+#ifdef USE_WATER_HEATER
+  static uint16_t try_send_water_heater_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                              bool is_single);
+  static uint16_t try_send_water_heater_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                             bool is_single);
+#endif
 #ifdef USE_EVENT
  static uint16_t try_send_event_response(event::Event *event, const char *event_type, APIConnection *conn,
                                          uint32_t remaining_size, bool is_single);
@@ -490,10 +502,22 @@ class APIConnection final : public APIServerConnection {
  std::unique_ptr<APIFrameHelper> helper_;
  APIServer *parent_;

-  // Group 2: Larger objects (must be 4-byte aligned)
-  // These contain vectors/pointers internally, so putting them early ensures good alignment
-  InitialStateIterator initial_state_iterator_;
-  ListEntitiesIterator list_entities_iterator_;
+  // Group 2: Iterator union (saves ~16 bytes vs separate iterators)
+  // These iterators are never active simultaneously - list_entities runs to completion
+  // before initial_state begins, so we use a union with explicit construction/destruction.
+  enum class ActiveIterator : uint8_t { NONE, LIST_ENTITIES, INITIAL_STATE };
+
+  union IteratorUnion {
+    ListEntitiesIterator list_entities;
+    InitialStateIterator initial_state;
+    // Constructor/destructor do nothing - use placement new/explicit destructor
+    IteratorUnion() {}
+    ~IteratorUnion() {}
+  } iterator_storage_;
+
+  // Helper methods for iterator lifecycle management
+  void destroy_active_iterator_();
+  void begin_iterator_(ActiveIterator type);
 #ifdef USE_CAMERA
  std::unique_ptr<camera::CameraImageReader> image_reader_;
 #endif
@@ -608,7 +632,9 @@ class APIConnection final : public APIServerConnection {
  // 2-byte types immediately after flags_ (no padding between them)
  uint16_t client_api_version_major_{0};
  uint16_t client_api_version_minor_{0};
-  // Total: 2 (flags) + 2 + 2 = 6 bytes, then 2 bytes padding to next 4-byte boundary
+  // 1-byte type to fill padding
+  ActiveIterator active_iterator_{ActiveIterator::NONE};
+  // Total: 2 (flags) + 2 + 2 + 1 = 7 bytes, then 1 byte padding to next 4-byte boundary

  uint32_t get_batch_delay_ms_() const;
  // Message will use 8 more bytes than the minimum size, and typical
--- a/esphome/components/api/api_frame_helper_noise.cpp
+++ b/esphome/components/api/api_frame_helper_noise.cpp
@@ -539,7 +539,8 @@ APIError APINoiseFrameHelper::init_handshake_() {
  if (aerr != APIError::OK)
    return aerr;
  // set_prologue copies it into handshakestate, so we can get rid of it now
-  prologue_ = {};
+  // Use swap idiom to actually release memory (= {} only clears size, not capacity)
+  std::vector<uint8_t>().swap(prologue_);

  err = noise_handshakestate_start(handshake_);
  aerr = handle_noise_error_(err, LOG_STR("noise_handshakestate_start"), APIError::HANDSHAKESTATE_SETUP_FAILED);
--- a/esphome/components/api/api_pb2.cpp
+++ b/esphome/components/api/api_pb2.cpp
@@ -124,12 +124,12 @@ void DeviceInfoResponse::encode(ProtoWriteBuffer buffer) const {
 #endif
 #ifdef USE_DEVICES
  for (const auto &it : this->devices) {
-    buffer.encode_message(20, it, true);
+    buffer.encode_message(20, it);
  }
 #endif
 #ifdef USE_AREAS
  for (const auto &it : this->areas) {
-    buffer.encode_message(21, it, true);
+    buffer.encode_message(21, it);
  }
 #endif
 #ifdef USE_AREAS
@@ -447,9 +447,12 @@ bool FanCommandRequest::decode_varint(uint32_t field_id, ProtoVarInt value) {
 }
 bool FanCommandRequest::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
  switch (field_id) {
-    case 13:
-      this->preset_mode = value.as_string();
+    case 13: {
+      // Use raw data directly to avoid allocation
+      this->preset_mode = value.data();
+      this->preset_mode_len = value.size();
      break;
+    }
    default:
      return false;
  }
@@ -855,9 +858,12 @@ void SubscribeLogsResponse::calculate_size(ProtoSize &size) const {
 #ifdef USE_API_NOISE
 bool NoiseEncryptionSetKeyRequest::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
  switch (field_id) {
-    case 1:
-      this->key = value.as_string();
+    case 1: {
+      // Use raw data directly to avoid allocation
+      this->key = value.data();
+      this->key_len = value.size();
      break;
+    }
    default:
      return false;
  }
@@ -878,13 +884,13 @@ void HomeassistantServiceMap::calculate_size(ProtoSize &size) const {
 void HomeassistantActionRequest::encode(ProtoWriteBuffer buffer) const {
  buffer.encode_string(1, this->service_ref_);
  for (auto &it : this->data) {
-    buffer.encode_message(2, it, true);
+    buffer.encode_message(2, it);
  }
  for (auto &it : this->data_template) {
-    buffer.encode_message(3, it, true);
+    buffer.encode_message(3, it);
  }
  for (auto &it : this->variables) {
-    buffer.encode_message(4, it, true);
+    buffer.encode_message(4, it);
  }
  buffer.encode_bool(5, this->is_event);
 #ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES
@@ -960,15 +966,24 @@ void SubscribeHomeAssistantStateResponse::calculate_size(ProtoSize &size) const
 }
 bool HomeAssistantStateResponse::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
  switch (field_id) {
-    case 1:
-      this->entity_id = value.as_string();
+    case 1: {
+      // Use raw data directly to avoid allocation
+      this->entity_id = value.data();
+      this->entity_id_len = value.size();
      break;
-    case 2:
-      this->state = value.as_string();
+    }
+    case 2: {
+      // Use raw data directly to avoid allocation
+      this->state = value.data();
+      this->state_len = value.size();
      break;
-    case 3:
-      this->attribute = value.as_string();
+    }
+    case 3: {
+      // Use raw data directly to avoid allocation
+      this->attribute = value.data();
+      this->attribute_len = value.size();
      break;
+    }
    default:
      return false;
  }
@@ -1011,7 +1026,7 @@ void ListEntitiesServicesResponse::encode(ProtoWriteBuffer buffer) const {
  buffer.encode_string(1, this->name_ref_);
  buffer.encode_fixed32(2, this->key);
  for (auto &it : this->args) {
-    buffer.encode_message(3, it, true);
+    buffer.encode_message(3, it);
  }
  buffer.encode_uint32(4, static_cast<uint32_t>(this->supports_response));
 }
@@ -1392,12 +1407,18 @@ bool ClimateCommandRequest::decode_varint(uint32_t field_id, ProtoVarInt value)
 }
 bool ClimateCommandRequest::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
  switch (field_id) {
-    case 17:
-      this->custom_fan_mode = value.as_string();
+    case 17: {
+      // Use raw data directly to avoid allocation
+      this->custom_fan_mode = value.data();
+      this->custom_fan_mode_len = value.size();
      break;
-    case 21:
-      this->custom_preset = value.as_string();
+    }
+    case 21: {
+      // Use raw data directly to avoid allocation
+      this->custom_preset = value.data();
+      this->custom_preset_len = value.size();
      break;
+    }
    default:
      return false;
  }
@@ -1426,6 +1447,114 @@ bool ClimateCommandRequest::decode_32bit(uint32_t field_id, Proto32Bit value) {
  return true;
 }
 #endif
+#ifdef USE_WATER_HEATER
+void ListEntitiesWaterHeaterResponse::encode(ProtoWriteBuffer buffer) const {
+  buffer.encode_string(1, this->object_id_ref_);
+  buffer.encode_fixed32(2, this->key);
+  buffer.encode_string(3, this->name_ref_);
+#ifdef USE_ENTITY_ICON
+  buffer.encode_string(4, this->icon_ref_);
+#endif
+  buffer.encode_bool(5, this->disabled_by_default);
+  buffer.encode_uint32(6, static_cast<uint32_t>(this->entity_category));
+#ifdef USE_DEVICES
+  buffer.encode_uint32(7, this->device_id);
+#endif
+  buffer.encode_float(8, this->min_temperature);
+  buffer.encode_float(9, this->max_temperature);
+  buffer.encode_float(10, this->target_temperature_step);
+  for (const auto &it : *this->supported_modes) {
+    buffer.encode_uint32(11, static_cast<uint32_t>(it), true);
+  }
+  buffer.encode_uint32(12, this->supported_features);
+}
+void ListEntitiesWaterHeaterResponse::calculate_size(ProtoSize &size) const {
+  size.add_length(1, this->object_id_ref_.size());
+  size.add_fixed32(1, this->key);
+  size.add_length(1, this->name_ref_.size());
+#ifdef USE_ENTITY_ICON
+  size.add_length(1, this->icon_ref_.size());
+#endif
+  size.add_bool(1, this->disabled_by_default);
+  size.add_uint32(1, static_cast<uint32_t>(this->entity_category));
+#ifdef USE_DEVICES
+  size.add_uint32(1, this->device_id);
+#endif
+  size.add_float(1, this->min_temperature);
+  size.add_float(1, this->max_temperature);
+  size.add_float(1, this->target_temperature_step);
+  if (!this->supported_modes->empty()) {
+    for (const auto &it : *this->supported_modes) {
+      size.add_uint32_force(1, static_cast<uint32_t>(it));
+    }
+  }
+  size.add_uint32(1, this->supported_features);
+}
+void WaterHeaterStateResponse::encode(ProtoWriteBuffer buffer) const {
+  buffer.encode_fixed32(1, this->key);
+  buffer.encode_float(2, this->current_temperature);
+  buffer.encode_float(3, this->target_temperature);
+  buffer.encode_uint32(4, static_cast<uint32_t>(this->mode));
+#ifdef USE_DEVICES
+  buffer.encode_uint32(5, this->device_id);
+#endif
+  buffer.encode_uint32(6, this->state);
+  buffer.encode_float(7, this->target_temperature_low);
+  buffer.encode_float(8, this->target_temperature_high);
+}
+void WaterHeaterStateResponse::calculate_size(ProtoSize &size) const {
+  size.add_fixed32(1, this->key);
+  size.add_float(1, this->current_temperature);
+  size.add_float(1, this->target_temperature);
+  size.add_uint32(1, static_cast<uint32_t>(this->mode));
+#ifdef USE_DEVICES
+  size.add_uint32(1, this->device_id);
+#endif
+  size.add_uint32(1, this->state);
+  size.add_float(1, this->target_temperature_low);
+  size.add_float(1, this->target_temperature_high);
+}
+bool WaterHeaterCommandRequest::decode_varint(uint32_t field_id, ProtoVarInt value) {
+  switch (field_id) {
+    case 2:
+      this->has_fields = value.as_uint32();
+      break;
+    case 3:
+      this->mode = static_cast<enums::WaterHeaterMode>(value.as_uint32());
+      break;
+#ifdef USE_DEVICES
+    case 5:
+      this->device_id = value.as_uint32();
+      break;
+#endif
+    case 6:
+      this->state = value.as_uint32();
+      break;
+    default:
+      return false;
+  }
+  return true;
+}
+bool WaterHeaterCommandRequest::decode_32bit(uint32_t field_id, Proto32Bit value) {
+  switch (field_id) {
+    case 1:
+      this->key = value.as_fixed32();
+      break;
+    case 4:
+      this->target_temperature = value.as_float();
+      break;
+    case 7:
+      this->target_temperature_low = value.as_float();
+      break;
+    case 8:
+      this->target_temperature_high = value.as_float();
+      break;
+    default:
+      return false;
+  }
+  return true;
+}
+#endif
 #ifdef USE_NUMBER
 void ListEntitiesNumberResponse::encode(ProtoWriteBuffer buffer) const {
  buffer.encode_string(1, this->object_id_ref_);
@@ -1867,7 +1996,7 @@ void ListEntitiesMediaPlayerResponse::encode(ProtoWriteBuffer buffer) const {
  buffer.encode_uint32(7, static_cast<uint32_t>(this->entity_category));
  buffer.encode_bool(8, this->supports_pause);
  for (auto &it : this->supported_formats) {
-    buffer.encode_message(9, it, true);
+    buffer.encode_message(9, it);
  }
 #ifdef USE_DEVICES
  buffer.encode_uint32(10, this->device_id);
@@ -1987,7 +2116,7 @@ void BluetoothLERawAdvertisement::calculate_size(ProtoSize &size) const {
 }
 void BluetoothLERawAdvertisementsResponse::encode(ProtoWriteBuffer buffer) const {
  for (uint16_t i = 0; i < this->advertisements_len; i++) {
-    buffer.encode_message(1, this->advertisements[i], true);
+    buffer.encode_message(1, this->advertisements[i]);
  }
 }
 void BluetoothLERawAdvertisementsResponse::calculate_size(ProtoSize &size) const {
@@ -2060,7 +2189,7 @@ void BluetoothGATTCharacteristic::encode(ProtoWriteBuffer buffer) const {
  buffer.encode_uint32(2, this->handle);
  buffer.encode_uint32(3, this->properties);
  for (auto &it : this->descriptors) {
-    buffer.encode_message(4, it, true);
+    buffer.encode_message(4, it);
  }
  buffer.encode_uint32(5, this->short_uuid);
 }
@@ -2081,7 +2210,7 @@ void BluetoothGATTService::encode(ProtoWriteBuffer buffer) const {
  }
  buffer.encode_uint32(2, this->handle);
  for (auto &it : this->characteristics) {
-    buffer.encode_message(3, it, true);
+    buffer.encode_message(3, it);
  }
  buffer.encode_uint32(4, this->short_uuid);
 }
@@ -2097,7 +2226,7 @@ void BluetoothGATTService::calculate_size(ProtoSize &size) const {
 void BluetoothGATTGetServicesResponse::encode(ProtoWriteBuffer buffer) const {
  buffer.encode_uint64(1, this->address);
  for (auto &it : this->services) {
-    buffer.encode_message(2, it, true);
+    buffer.encode_message(2, it);
  }
 }
 void BluetoothGATTGetServicesResponse::calculate_size(ProtoSize &size) const {
@@ -2557,7 +2686,7 @@ bool VoiceAssistantConfigurationRequest::decode_length(uint32_t field_id, ProtoL
 }
 void VoiceAssistantConfigurationResponse::encode(ProtoWriteBuffer buffer) const {
  for (auto &it : this->available_wake_words) {
-    buffer.encode_message(1, it, true);
+    buffer.encode_message(1, it);
  }
  for (const auto &it : *this->active_wake_words) {
    buffer.encode_string(2, it, true);
--- a/esphome/components/api/api_pb2.h
+++ b/esphome/components/api/api_pb2.h
@@ -129,6 +129,25 @@ enum ClimatePreset : uint32_t {
  CLIMATE_PRESET_ACTIVITY = 7,
 };
 #endif
+#ifdef USE_WATER_HEATER
+enum WaterHeaterMode : uint32_t {
+  WATER_HEATER_MODE_OFF = 0,
+  WATER_HEATER_MODE_ECO = 1,
+  WATER_HEATER_MODE_ELECTRIC = 2,
+  WATER_HEATER_MODE_PERFORMANCE = 3,
+  WATER_HEATER_MODE_HIGH_DEMAND = 4,
+  WATER_HEATER_MODE_HEAT_PUMP = 5,
+  WATER_HEATER_MODE_GAS = 6,
+};
+#endif
+enum WaterHeaterCommandHasField : uint32_t {
+  WATER_HEATER_COMMAND_HAS_NONE = 0,
+  WATER_HEATER_COMMAND_HAS_MODE = 1,
+  WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE = 2,
+  WATER_HEATER_COMMAND_HAS_STATE = 4,
+  WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE_LOW = 8,
+  WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE_HIGH = 16,
+};
 #ifdef USE_NUMBER
 enum NumberMode : uint32_t {
  NUMBER_MODE_AUTO = 0,
@@ -765,7 +784,7 @@ class FanStateResponse final : public StateResponseProtoMessage {
 class FanCommandRequest final : public CommandProtoMessage {
 public:
  static constexpr uint8_t MESSAGE_TYPE = 31;
-  static constexpr uint8_t ESTIMATED_SIZE = 38;
+  static constexpr uint8_t ESTIMATED_SIZE = 48;
 #ifdef HAS_PROTO_MESSAGE_DUMP
  const char *message_name() const override { return "fan_command_request"; }
 #endif
@@ -778,7 +797,8 @@ class FanCommandRequest final : public CommandProtoMessage {
  bool has_speed_level{false};
  int32_t speed_level{0};
  bool has_preset_mode{false};
-  std::string preset_mode{};
+  const uint8_t *preset_mode{nullptr};
+  uint16_t preset_mode_len{0};
 #ifdef HAS_PROTO_MESSAGE_DUMP
  void dump_to(std::string &out) const override;
 #endif
@@ -1053,11 +1073,12 @@ class SubscribeLogsResponse final : public ProtoMessage {
 class NoiseEncryptionSetKeyRequest final : public ProtoDecodableMessage {
 public:
  static constexpr uint8_t MESSAGE_TYPE = 124;
-  static constexpr uint8_t ESTIMATED_SIZE = 9;
+  static constexpr uint8_t ESTIMATED_SIZE = 19;
 #ifdef HAS_PROTO_MESSAGE_DUMP
  const char *message_name() const override { return "noise_encryption_set_key_request"; }
 #endif
-  std::string key{};
+  const uint8_t *key{nullptr};
+  uint16_t key_len{0};
 #ifdef HAS_PROTO_MESSAGE_DUMP
  void dump_to(std::string &out) const override;
 #endif
@@ -1201,13 +1222,16 @@ class SubscribeHomeAssistantStateResponse final : public ProtoMessage {
 class HomeAssistantStateResponse final : public ProtoDecodableMessage {
 public:
  static constexpr uint8_t MESSAGE_TYPE = 40;
-  static constexpr uint8_t ESTIMATED_SIZE = 27;
+  static constexpr uint8_t ESTIMATED_SIZE = 57;
 #ifdef HAS_PROTO_MESSAGE_DUMP
  const char *message_name() const override { return "home_assistant_state_response"; }
 #endif
-  std::string entity_id{};
-  std::string state{};
-  std::string attribute{};
+  const uint8_t *entity_id{nullptr};
+  uint16_t entity_id_len{0};
+  const uint8_t *state{nullptr};
+  uint16_t state_len{0};
+  const uint8_t *attribute{nullptr};
+  uint16_t attribute_len{0};
 #ifdef HAS_PROTO_MESSAGE_DUMP
  void dump_to(std::string &out) const override;
 #endif
@@ -1475,7 +1499,7 @@ class ClimateStateResponse final : public StateResponseProtoMessage {
 class ClimateCommandRequest final : public CommandProtoMessage {
 public:
  static constexpr uint8_t MESSAGE_TYPE = 48;
-  static constexpr uint8_t ESTIMATED_SIZE = 84;
+  static constexpr uint8_t ESTIMATED_SIZE = 104;
 #ifdef HAS_PROTO_MESSAGE_DUMP
  const char *message_name() const override { return "climate_command_request"; }
 #endif
@@ -1492,11 +1516,13 @@ class ClimateCommandRequest final : public CommandProtoMessage {
  bool has_swing_mode{false};
  enums::ClimateSwingMode swing_mode{};
  bool has_custom_fan_mode{false};
-  std::string custom_fan_mode{};
+  const uint8_t *custom_fan_mode{nullptr};
+  uint16_t custom_fan_mode_len{0};
  bool has_preset{false};
  enums::ClimatePreset preset{};
  bool has_custom_preset{false};
-  std::string custom_preset{};
+  const uint8_t *custom_preset{nullptr};
+  uint16_t custom_preset_len{0};
  bool has_target_humidity{false};
  float target_humidity{0.0f};
 #ifdef HAS_PROTO_MESSAGE_DUMP
@@ -1509,6 +1535,70 @@ class ClimateCommandRequest final : public CommandProtoMessage {
  bool decode_varint(uint32_t field_id, ProtoVarInt value) override;
 };
 #endif
+#ifdef USE_WATER_HEATER
+class ListEntitiesWaterHeaterResponse final : public InfoResponseProtoMessage {
+ public:
+  static constexpr uint8_t MESSAGE_TYPE = 132;
+  static constexpr uint8_t ESTIMATED_SIZE = 63;
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  const char *message_name() const override { return "list_entities_water_heater_response"; }
+#endif
+  float min_temperature{0.0f};
+  float max_temperature{0.0f};
+  float target_temperature_step{0.0f};
+  const water_heater::WaterHeaterModeMask *supported_modes{};
+  uint32_t supported_features{0};
+  void encode(ProtoWriteBuffer buffer) const override;
+  void calculate_size(ProtoSize &size) const override;
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  void dump_to(std::string &out) const override;
+#endif
+
+ protected:
+};
+class WaterHeaterStateResponse final : public StateResponseProtoMessage {
+ public:
+  static constexpr uint8_t MESSAGE_TYPE = 133;
+  static constexpr uint8_t ESTIMATED_SIZE = 35;
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  const char *message_name() const override { return "water_heater_state_response"; }
+#endif
+  float current_temperature{0.0f};
+  float target_temperature{0.0f};
+  enums::WaterHeaterMode mode{};
+  uint32_t state{0};
+  float target_temperature_low{0.0f};
+  float target_temperature_high{0.0f};
+  void encode(ProtoWriteBuffer buffer) const override;
+  void calculate_size(ProtoSize &size) const override;
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  void dump_to(std::string &out) const override;
+#endif
+
+ protected:
+};
+class WaterHeaterCommandRequest final : public CommandProtoMessage {
+ public:
+  static constexpr uint8_t MESSAGE_TYPE = 134;
+  static constexpr uint8_t ESTIMATED_SIZE = 34;
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  const char *message_name() const override { return "water_heater_command_request"; }
+#endif
+  uint32_t has_fields{0};
+  enums::WaterHeaterMode mode{};
+  float target_temperature{0.0f};
+  uint32_t state{0};
+  float target_temperature_low{0.0f};
+  float target_temperature_high{0.0f};
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  void dump_to(std::string &out) const override;
+#endif
+
+ protected:
+  bool decode_32bit(uint32_t field_id, Proto32Bit value) override;
+  bool decode_varint(uint32_t field_id, ProtoVarInt value) override;
+};
+#endif
 #ifdef USE_NUMBER
 class ListEntitiesNumberResponse final : public InfoResponseProtoMessage {
 public:
--- a/esphome/components/api/api_pb2_dump.cpp
+++ b/esphome/components/api/api_pb2_dump.cpp
@@ -348,6 +348,47 @@ template<> const char *proto_enum_to_string<enums::ClimatePreset>(enums::Climate
  }
 }
 #endif
+#ifdef USE_WATER_HEATER
+template<> const char *proto_enum_to_string<enums::WaterHeaterMode>(enums::WaterHeaterMode value) {
+  switch (value) {
+    case enums::WATER_HEATER_MODE_OFF:
+      return "WATER_HEATER_MODE_OFF";
+    case enums::WATER_HEATER_MODE_ECO:
+      return "WATER_HEATER_MODE_ECO";
+    case enums::WATER_HEATER_MODE_ELECTRIC:
+      return "WATER_HEATER_MODE_ELECTRIC";
+    case enums::WATER_HEATER_MODE_PERFORMANCE:
+      return "WATER_HEATER_MODE_PERFORMANCE";
+    case enums::WATER_HEATER_MODE_HIGH_DEMAND:
+      return "WATER_HEATER_MODE_HIGH_DEMAND";
+    case enums::WATER_HEATER_MODE_HEAT_PUMP:
+      return "WATER_HEATER_MODE_HEAT_PUMP";
+    case enums::WATER_HEATER_MODE_GAS:
+      return "WATER_HEATER_MODE_GAS";
+    default:
+      return "UNKNOWN";
+  }
+}
+#endif
+template<>
+const char *proto_enum_to_string<enums::WaterHeaterCommandHasField>(enums::WaterHeaterCommandHasField value) {
+  switch (value) {
+    case enums::WATER_HEATER_COMMAND_HAS_NONE:
+      return "WATER_HEATER_COMMAND_HAS_NONE";
+    case enums::WATER_HEATER_COMMAND_HAS_MODE:
+      return "WATER_HEATER_COMMAND_HAS_MODE";
+    case enums::WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE:
+      return "WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE";
+    case enums::WATER_HEATER_COMMAND_HAS_STATE:
+      return "WATER_HEATER_COMMAND_HAS_STATE";
+    case enums::WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE_LOW:
+      return "WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE_LOW";
+    case enums::WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE_HIGH:
+      return "WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE_HIGH";
+    default:
+      return "UNKNOWN";
+  }
+}
 #ifdef USE_NUMBER
 template<> const char *proto_enum_to_string<enums::NumberMode>(enums::NumberMode value) {
  switch (value) {
@@ -923,7 +964,9 @@ void FanCommandRequest::dump_to(std::string &out) const {
  dump_field(out, "has_speed_level", this->has_speed_level);
  dump_field(out, "speed_level", this->speed_level);
  dump_field(out, "has_preset_mode", this->has_preset_mode);
-  dump_field(out, "preset_mode", this->preset_mode);
+  out.append("  preset_mode: ");
+  out.append(format_hex_pretty(this->preset_mode, this->preset_mode_len));
+  out.append("\n");
 #ifdef USE_DEVICES
  dump_field(out, "device_id", this->device_id);
 #endif
@@ -1113,7 +1156,7 @@ void SubscribeLogsResponse::dump_to(std::string &out) const {
 void NoiseEncryptionSetKeyRequest::dump_to(std::string &out) const {
  MessageDumpHelper helper(out, "NoiseEncryptionSetKeyRequest");
  out.append("  key: ");
-  out.append(format_hex_pretty(reinterpret_cast<const uint8_t *>(this->key.data()), this->key.size()));
+  out.append(format_hex_pretty(this->key, this->key_len));
  out.append("\n");
 }
 void NoiseEncryptionSetKeyResponse::dump_to(std::string &out) const { dump_field(out, "success", this->success); }
@@ -1182,9 +1225,15 @@ void SubscribeHomeAssistantStateResponse::dump_to(std::string &out) const {
 }
 void HomeAssistantStateResponse::dump_to(std::string &out) const {
  MessageDumpHelper helper(out, "HomeAssistantStateResponse");
-  dump_field(out, "entity_id", this->entity_id);
-  dump_field(out, "state", this->state);
-  dump_field(out, "attribute", this->attribute);
+  out.append("  entity_id: ");
+  out.append(format_hex_pretty(this->entity_id, this->entity_id_len));
+  out.append("\n");
+  out.append("  state: ");
+  out.append(format_hex_pretty(this->state, this->state_len));
+  out.append("\n");
+  out.append("  attribute: ");
+  out.append(format_hex_pretty(this->attribute, this->attribute_len));
+  out.append("\n");
 }
 #endif
 void GetTimeRequest::dump_to(std::string &out) const { out.append("GetTimeRequest {}"); }
@@ -1374,11 +1423,15 @@ void ClimateCommandRequest::dump_to(std::string &out) const {
  dump_field(out, "has_swing_mode", this->has_swing_mode);
  dump_field(out, "swing_mode", static_cast<enums::ClimateSwingMode>(this->swing_mode));
  dump_field(out, "has_custom_fan_mode", this->has_custom_fan_mode);
-  dump_field(out, "custom_fan_mode", this->custom_fan_mode);
+  out.append("  custom_fan_mode: ");
+  out.append(format_hex_pretty(this->custom_fan_mode, this->custom_fan_mode_len));
+  out.append("\n");
  dump_field(out, "has_preset", this->has_preset);
  dump_field(out, "preset", static_cast<enums::ClimatePreset>(this->preset));
  dump_field(out, "has_custom_preset", this->has_custom_preset);
-  dump_field(out, "custom_preset", this->custom_preset);
+  out.append("  custom_preset: ");
+  out.append(format_hex_pretty(this->custom_preset, this->custom_preset_len));
+  out.append("\n");
  dump_field(out, "has_target_humidity", this->has_target_humidity);
  dump_field(out, "target_humidity", this->target_humidity);
 #ifdef USE_DEVICES
@@ -1386,6 +1439,55 @@ void ClimateCommandRequest::dump_to(std::string &out) const {
 #endif
 }
 #endif
+#ifdef USE_WATER_HEATER
+void ListEntitiesWaterHeaterResponse::dump_to(std::string &out) const {
+  MessageDumpHelper helper(out, "ListEntitiesWaterHeaterResponse");
+  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "key", this->key);
+  dump_field(out, "name", this->name_ref_);
+#ifdef USE_ENTITY_ICON
+  dump_field(out, "icon", this->icon_ref_);
+#endif
+  dump_field(out, "disabled_by_default", this->disabled_by_default);
+  dump_field(out, "entity_category", static_cast<enums::EntityCategory>(this->entity_category));
+#ifdef USE_DEVICES
+  dump_field(out, "device_id", this->device_id);
+#endif
+  dump_field(out, "min_temperature", this->min_temperature);
+  dump_field(out, "max_temperature", this->max_temperature);
+  dump_field(out, "target_temperature_step", this->target_temperature_step);
+  for (const auto &it : *this->supported_modes) {
+    dump_field(out, "supported_modes", static_cast<enums::WaterHeaterMode>(it), 4);
+  }
+  dump_field(out, "supported_features", this->supported_features);
+}
+void WaterHeaterStateResponse::dump_to(std::string &out) const {
+  MessageDumpHelper helper(out, "WaterHeaterStateResponse");
+  dump_field(out, "key", this->key);
+  dump_field(out, "current_temperature", this->current_temperature);
+  dump_field(out, "target_temperature", this->target_temperature);
+  dump_field(out, "mode", static_cast<enums::WaterHeaterMode>(this->mode));
+#ifdef USE_DEVICES
+  dump_field(out, "device_id", this->device_id);
+#endif
+  dump_field(out, "state", this->state);
+  dump_field(out, "target_temperature_low", this->target_temperature_low);
+  dump_field(out, "target_temperature_high", this->target_temperature_high);
+}
+void WaterHeaterCommandRequest::dump_to(std::string &out) const {
+  MessageDumpHelper helper(out, "WaterHeaterCommandRequest");
+  dump_field(out, "key", this->key);
+  dump_field(out, "has_fields", this->has_fields);
+  dump_field(out, "mode", static_cast<enums::WaterHeaterMode>(this->mode));
+  dump_field(out, "target_temperature", this->target_temperature);
+#ifdef USE_DEVICES
+  dump_field(out, "device_id", this->device_id);
+#endif
+  dump_field(out, "state", this->state);
+  dump_field(out, "target_temperature_low", this->target_temperature_low);
+  dump_field(out, "target_temperature_high", this->target_temperature_high);
+}
+#endif
 #ifdef USE_NUMBER
 void ListEntitiesNumberResponse::dump_to(std::string &out) const {
  MessageDumpHelper helper(out, "ListEntitiesNumberResponse");
--- a/esphome/components/api/api_pb2_includes.h
+++ b/esphome/components/api/api_pb2_includes.h
@@ -10,6 +10,10 @@
 #include "esphome/components/climate/climate_traits.h"
 #endif

+#ifdef USE_WATER_HEATER
+#include "esphome/components/water_heater/water_heater.h"
+#endif
+
 #ifdef USE_LIGHT
 #include "esphome/components/light/light_traits.h"
 #endif
--- a/esphome/components/api/api_pb2_service.cpp
+++ b/esphome/components/api/api_pb2_service.cpp
@@ -621,6 +621,17 @@ void APIServerConnectionBase::read_message(uint32_t msg_size, uint32_t msg_type,
      this->on_homeassistant_action_response(msg);
      break;
    }
+#endif
+#ifdef USE_WATER_HEATER
+    case WaterHeaterCommandRequest::MESSAGE_TYPE: {
+      WaterHeaterCommandRequest msg;
+      msg.decode(msg_data, msg_size);
+#ifdef HAS_PROTO_MESSAGE_DUMP
+      ESP_LOGVV(TAG, "on_water_heater_command_request: %s", msg.dump().c_str());
+#endif
+      this->on_water_heater_command_request(msg);
+      break;
+    }
 #endif
    default:
      break;
--- a/esphome/components/api/api_pb2_service.h
+++ b/esphome/components/api/api_pb2_service.h
@@ -91,6 +91,10 @@ class APIServerConnectionBase : public ProtoService {
  virtual void on_climate_command_request(const ClimateCommandRequest &value){};
 #endif

+#ifdef USE_WATER_HEATER
+  virtual void on_water_heater_command_request(const WaterHeaterCommandRequest &value){};
+#endif
+
 #ifdef USE_NUMBER
  virtual void on_number_command_request(const NumberCommandRequest &value){};
 #endif
--- a/esphome/components/api/api_server.cpp
+++ b/esphome/components/api/api_server.cpp
@@ -335,6 +335,10 @@ API_DISPATCH_UPDATE(valve::Valve, valve)
 API_DISPATCH_UPDATE(media_player::MediaPlayer, media_player)
 #endif

+#ifdef USE_WATER_HEATER
+API_DISPATCH_UPDATE(water_heater::WaterHeater, water_heater)
+#endif
+
 #ifdef USE_EVENT
 // Event is a special case - unlike other entities with simple state fields,
 // events store their state in a member accessed via obj->get_last_event_type()
--- a/esphome/components/api/api_server.h
+++ b/esphome/components/api/api_server.h
@@ -133,6 +133,9 @@ class APIServer : public Component,
 #ifdef USE_MEDIA_PLAYER
  void on_media_player_update(media_player::MediaPlayer *obj) override;
 #endif
+#ifdef USE_WATER_HEATER
+  void on_water_heater_update(water_heater::WaterHeater *obj) override;
+#endif
 #ifdef USE_API_HOMEASSISTANT_SERVICES
  void send_homeassistant_action(const HomeassistantActionRequest &call);

--- a/esphome/components/api/list_entities.cpp
+++ b/esphome/components/api/list_entities.cpp
@@ -73,6 +73,9 @@ LIST_ENTITIES_HANDLER(media_player, media_player::MediaPlayer, ListEntitiesMedia
 LIST_ENTITIES_HANDLER(alarm_control_panel, alarm_control_panel::AlarmControlPanel,
                      ListEntitiesAlarmControlPanelResponse)
 #endif
+#ifdef USE_WATER_HEATER
+LIST_ENTITIES_HANDLER(water_heater, water_heater::WaterHeater, ListEntitiesWaterHeaterResponse)
+#endif
 #ifdef USE_EVENT
 LIST_ENTITIES_HANDLER(event, event::Event, ListEntitiesEventResponse)
 #endif
--- a/esphome/components/api/list_entities.h
+++ b/esphome/components/api/list_entities.h
@@ -82,6 +82,9 @@ class ListEntitiesIterator : public ComponentIterator {
 #ifdef USE_ALARM_CONTROL_PANEL
  bool on_alarm_control_panel(alarm_control_panel::AlarmControlPanel *entity) override;
 #endif
+#ifdef USE_WATER_HEATER
+  bool on_water_heater(water_heater::WaterHeater *entity) override;
+#endif
 #ifdef USE_EVENT
  bool on_event(event::Event *entity) override;
 #endif
--- a/esphome/components/api/proto.h
+++ b/esphome/components/api/proto.h
@@ -334,7 +334,7 @@ class ProtoWriteBuffer {
  void encode_sint64(uint32_t field_id, int64_t value, bool force = false) {
    this->encode_uint64(field_id, encode_zigzag64(value), force);
  }
-  void encode_message(uint32_t field_id, const ProtoMessage &value, bool force = false);
+  void encode_message(uint32_t field_id, const ProtoMessage &value);
  std::vector<uint8_t> *get_buffer() const { return buffer_; }

 protected:
@@ -795,7 +795,7 @@ class ProtoSize {
 };

 // Implementation of encode_message - must be after ProtoMessage is defined
-inline void ProtoWriteBuffer::encode_message(uint32_t field_id, const ProtoMessage &value, bool force) {
+inline void ProtoWriteBuffer::encode_message(uint32_t field_id, const ProtoMessage &value) {
  this->encode_field_raw(field_id, 2);  // type 2: Length-delimited message

  // Calculate the message size first
--- a/esphome/components/api/subscribe_state.cpp
+++ b/esphome/components/api/subscribe_state.cpp
@@ -60,6 +60,9 @@ INITIAL_STATE_HANDLER(media_player, media_player::MediaPlayer)
 #ifdef USE_ALARM_CONTROL_PANEL
 INITIAL_STATE_HANDLER(alarm_control_panel, alarm_control_panel::AlarmControlPanel)
 #endif
+#ifdef USE_WATER_HEATER
+INITIAL_STATE_HANDLER(water_heater, water_heater::WaterHeater)
+#endif
 #ifdef USE_UPDATE
 INITIAL_STATE_HANDLER(update, update::UpdateEntity)
 #endif
--- a/esphome/components/api/subscribe_state.h
+++ b/esphome/components/api/subscribe_state.h
@@ -76,6 +76,9 @@ class InitialStateIterator : public ComponentIterator {
 #ifdef USE_ALARM_CONTROL_PANEL
  bool on_alarm_control_panel(alarm_control_panel::AlarmControlPanel *entity) override;
 #endif
+#ifdef USE_WATER_HEATER
+  bool on_water_heater(water_heater::WaterHeater *entity) override;
+#endif
 #ifdef USE_EVENT
  bool on_event(event::Event *event) override { return true; };
 #endif
--- a/esphome/components/aqi/init.py
+++ b/esphome/components/aqi/init.py
@@ -0,0 +1,14 @@
+import esphome.codegen as cg
+
+CODEOWNERS = ["@jasstrong", "@ximex", "@freekode"]
+
+aqi_ns = cg.esphome_ns.namespace("aqi")
+AQICalculatorType = aqi_ns.enum("AQICalculatorType")
+
+CONF_AQI = "aqi"
+CONF_CALCULATION_TYPE = "calculation_type"
+
+AQI_CALCULATION_TYPE = {
+    "CAQI": AQICalculatorType.CAQI_TYPE,
+    "AQI": AQICalculatorType.AQI_TYPE,
+}
--- a/esphome/components/hm3301/abstract_aqi_calculator.h
+++ b/esphome/components/hm3301/abstract_aqi_calculator.h
@@ -2,13 +2,11 @@

 #include <cstdint>

-namespace esphome {
-namespace hm3301 {
+namespace esphome::aqi {

 class AbstractAQICalculator {
 public:
  virtual uint16_t get_aqi(uint16_t pm2_5_value, uint16_t pm10_0_value) = 0;
 };

-}  // namespace hm3301
-}  // namespace esphome
+}  // namespace esphome::aqi
--- a/esphome/components/hm3301/aqi_calculator.h
+++ b/esphome/components/hm3301/aqi_calculator.h
@@ -1,10 +1,11 @@
 #pragma once
+
 #include <climits>
 #include "abstract_aqi_calculator.h"
+
 // https://document.airnow.gov/technical-assistance-document-for-the-reporting-of-daily-air-quailty.pdf

-namespace esphome {
-namespace hm3301 {
+namespace esphome::aqi {

 class AQICalculator : public AbstractAQICalculator {
 public:
@@ -28,6 +29,9 @@ class AQICalculator : public AbstractAQICalculator {

  int calculate_index_(uint16_t value, int array[AMOUNT_OF_LEVELS][2]) {
    int grid_index = get_grid_index_(value, array);
+    if (grid_index == -1) {
+      return -1;
+    }
    int aqi_lo = index_grid_[grid_index][0];
    int aqi_hi = index_grid_[grid_index][1];
    int conc_lo = array[grid_index][0];
@@ -46,5 +50,4 @@ class AQICalculator : public AbstractAQICalculator {
  }
 };

-}  // namespace hm3301
-}  // namespace esphome
+}  // namespace esphome::aqi
--- a/esphome/components/hm3301/aqi_calculator_factory.h
+++ b/esphome/components/hm3301/aqi_calculator_factory.h
@@ -3,8 +3,7 @@
 #include "caqi_calculator.h"
 #include "aqi_calculator.h"

-namespace esphome {
-namespace hm3301 {
+namespace esphome::aqi {

 enum AQICalculatorType { CAQI_TYPE = 0, AQI_TYPE = 1 };

@@ -12,18 +11,17 @@ class AQICalculatorFactory {
 public:
  AbstractAQICalculator *get_calculator(AQICalculatorType type) {
    if (type == 0) {
-      return caqi_calculator_;
+      return &this->caqi_calculator_;
    } else if (type == 1) {
-      return aqi_calculator_;
+      return &this->aqi_calculator_;
    }

    return nullptr;
  }

 protected:
-  CAQICalculator *caqi_calculator_ = new CAQICalculator();
-  AQICalculator *aqi_calculator_ = new AQICalculator();
+  CAQICalculator caqi_calculator_;
+  AQICalculator aqi_calculator_;
 };

-}  // namespace hm3301
-}  // namespace esphome
+}  // namespace esphome::aqi
--- a/esphome/components/hm3301/caqi_calculator.h
+++ b/esphome/components/hm3301/caqi_calculator.h
@@ -3,8 +3,7 @@
 #include "esphome/core/log.h"
 #include "abstract_aqi_calculator.h"

-namespace esphome {
-namespace hm3301 {
+namespace esphome::aqi {

 class CAQICalculator : public AbstractAQICalculator {
 public:
@@ -48,5 +47,4 @@ class CAQICalculator : public AbstractAQICalculator {
  }
 };

-}  // namespace hm3301
-}  // namespace esphome
+}  // namespace esphome::aqi
--- a/esphome/components/audio/audio_reader.cpp
+++ b/esphome/components/audio/audio_reader.cpp
@@ -1,6 +1,6 @@
 #include "audio_reader.h"

-#ifdef USE_ESP_IDF
+#ifdef USE_ESP32

 #include "esphome/core/defines.h"
 #include "esphome/core/hal.h"
--- a/esphome/components/audio/audio_reader.h
+++ b/esphome/components/audio/audio_reader.h
@@ -1,6 +1,6 @@
 #pragma once

-#ifdef USE_ESP_IDF
+#ifdef USE_ESP32

 #include "audio.h"
 #include "audio_transfer_buffer.h"
--- a/esphome/components/bedjet/climate/init.py
+++ b/esphome/components/bedjet/climate/init.py
@@ -1,12 +1,7 @@
 import esphome.codegen as cg
-from esphome.components import ble_client, climate
+from esphome.components import climate
 import esphome.config_validation as cv
-from esphome.const import (
-    CONF_HEAT_MODE,
-    CONF_RECEIVE_TIMEOUT,
-    CONF_TEMPERATURE_SOURCE,
-    CONF_TIME_ID,
-)
+from esphome.const import CONF_HEAT_MODE, CONF_TEMPERATURE_SOURCE

 from .. import BEDJET_CLIENT_SCHEMA, bedjet_ns, register_bedjet_child

@@ -38,22 +33,6 @@ CONFIG_SCHEMA = (
        }
    )
    .extend(cv.polling_component_schema("60s"))
-    .extend(
-        # TODO: remove compat layer.
-        {
-            cv.Optional(ble_client.CONF_BLE_CLIENT_ID): cv.invalid(
-                "The 'ble_client_id' option has been removed. Please migrate "
-                "to the new `bedjet_id` option in the `bedjet` component.\n"
-                "See https://esphome.io/components/climate/bedjet/"
-            ),
-            cv.Optional(CONF_TIME_ID): cv.invalid(
-                "The 'time_id' option has been moved to the `bedjet` component."
-            ),
-            cv.Optional(CONF_RECEIVE_TIMEOUT): cv.invalid(
-                "The 'receive_timeout' option has been moved to the `bedjet` component."
-            ),
-        }
-    )
    .extend(BEDJET_CLIENT_SCHEMA)
 )

--- a/esphome/components/bh1750/sensor.py
+++ b/esphome/components/bh1750/sensor.py
@@ -20,16 +20,6 @@ CONFIG_SCHEMA = (
        device_class=DEVICE_CLASS_ILLUMINANCE,
        state_class=STATE_CLASS_MEASUREMENT,
    )
-    .extend(
-        {
-            cv.Optional("resolution"): cv.invalid(
-                "The 'resolution' option has been removed. The optimal value is now dynamically calculated."
-            ),
-            cv.Optional("measurement_duration"): cv.invalid(
-                "The 'measurement_duration' option has been removed. The optimal value is now dynamically calculated."
-            ),
-        }
-    )
    .extend(cv.polling_component_schema("60s"))
    .extend(i2c.i2c_device_schema(0x23))
 )
--- a/esphome/components/bme68x_bsec2/sensor.py
+++ b/esphome/components/bme68x_bsec2/sensor.py
@@ -50,6 +50,7 @@ TYPES = [

 CONFIG_SCHEMA = cv.Schema(
    {
+        cv.GenerateID(): cv.declare_id(cg.Component),
        cv.GenerateID(CONF_BME68X_BSEC2_ID): cv.use_id(BME68xBSEC2Component),
        cv.Optional(CONF_TEMPERATURE): sensor.sensor_schema(
            unit_of_measurement=UNIT_CELSIUS,
--- a/esphome/components/bme68x_bsec2_i2c/init.py
+++ b/esphome/components/bme68x_bsec2_i2c/init.py
@@ -11,6 +11,7 @@ CODEOWNERS = ["@neffs", "@kbx81"]

 AUTO_LOAD = ["bme68x_bsec2"]
 DEPENDENCIES = ["i2c"]
+MULTI_CONF = True

 bme68x_bsec2_i2c_ns = cg.esphome_ns.namespace("bme68x_bsec2_i2c")
 BME68xBSEC2I2CComponent = bme68x_bsec2_i2c_ns.class_(
--- a/esphome/components/button/button.h
+++ b/esphome/components/button/button.h
@@ -41,7 +41,7 @@ class Button : public EntityBase, public EntityBase_DeviceClass {
   */
  virtual void press_action() = 0;

-  CallbackManager<void()> press_callback_{};
+  LazyCallbackManager<void()> press_callback_{};
 };

 }  // namespace esphome::button
--- a/esphome/components/captive_portal/init.py
+++ b/esphome/components/captive_portal/init.py
@@ -25,7 +25,7 @@ _LOGGER = logging.getLogger(__name__)

 def AUTO_LOAD() -> list[str]:
    auto_load = ["web_server_base", "ota.web_server"]
-    if CORE.using_esp_idf:
+    if CORE.is_esp32:
        auto_load.append("socket")
    return auto_load

@@ -97,10 +97,6 @@ async def to_code(config):
    cg.add_define("USE_CAPTIVE_PORTAL")

    if CORE.using_arduino:
-        if CORE.is_esp32:
-            cg.add_library("ESP32 Async UDP", None)
-            cg.add_library("DNSServer", None)
-            cg.add_library("WiFi", None)
        if CORE.is_esp8266:
            cg.add_library("DNSServer", None)
        if CORE.is_libretiny:
@@ -110,6 +106,9 @@ async def to_code(config):
 # Only compile the ESP-IDF DNS server when using ESP-IDF framework
 FILTER_SOURCE_FILES = filter_source_files_from_platform(
    {
-        "dns_server_esp32_idf.cpp": {PlatformFramework.ESP32_IDF},
+        "dns_server_esp32_idf.cpp": {
+            PlatformFramework.ESP32_ARDUINO,
+            PlatformFramework.ESP32_IDF,
+        },
    }
 )
--- a/esphome/components/captive_portal/captive_portal.cpp
+++ b/esphome/components/captive_portal/captive_portal.cpp
@@ -69,12 +69,11 @@ void CaptivePortal::start() {

  network::IPAddress ip = wifi::global_wifi_component->wifi_soft_ap_ip();

-#ifdef USE_ESP_IDF
+#if defined(USE_ESP32)
  // Create DNS server instance for ESP-IDF
  this->dns_server_ = make_unique<DNSServer>();
  this->dns_server_->start(ip);
-#endif
-#ifdef USE_ARDUINO
+#elif defined(USE_ARDUINO)
  this->dns_server_ = make_unique<DNSServer>();
  this->dns_server_->setErrorReplyCode(DNSReplyCode::NoError);
  this->dns_server_->start(53, ESPHOME_F("*"), ip);
--- a/esphome/components/captive_portal/captive_portal.h
+++ b/esphome/components/captive_portal/captive_portal.h
@@ -2,11 +2,10 @@
 #include "esphome/core/defines.h"
 #ifdef USE_CAPTIVE_PORTAL
 #include <memory>
-#ifdef USE_ARDUINO
-#include <DNSServer.h>
-#endif
-#ifdef USE_ESP_IDF
+#if defined(USE_ESP32)
 #include "dns_server_esp32_idf.h"
+#elif defined(USE_ARDUINO)
+#include <DNSServer.h>
 #endif
 #include "esphome/core/component.h"
 #include "esphome/core/helpers.h"
@@ -23,15 +22,14 @@ class CaptivePortal : public AsyncWebHandler, public Component {
  void setup() override;
  void dump_config() override;
  void loop() override {
-#ifdef USE_ARDUINO
-    if (this->dns_server_ != nullptr) {
-      this->dns_server_->processNextRequest();
-    }
-#endif
-#ifdef USE_ESP_IDF
+#if defined(USE_ESP32)
    if (this->dns_server_ != nullptr) {
      this->dns_server_->process_next_request();
    }
+#elif defined(USE_ARDUINO)
+    if (this->dns_server_ != nullptr) {
+      this->dns_server_->processNextRequest();
+    }
 #endif
  }
  float get_setup_priority() const override;
@@ -64,7 +62,7 @@ class CaptivePortal : public AsyncWebHandler, public Component {
  web_server_base::WebServerBase *base_;
  bool initialized_{false};
  bool active_{false};
-#if defined(USE_ARDUINO) || defined(USE_ESP_IDF)
+#if defined(USE_ARDUINO) || defined(USE_ESP32)
  std::unique_ptr<DNSServer> dns_server_{nullptr};
 #endif
 };
--- a/esphome/components/captive_portal/dns_server_esp32_idf.cpp
+++ b/esphome/components/captive_portal/dns_server_esp32_idf.cpp
@@ -1,5 +1,5 @@
 #include "dns_server_esp32_idf.h"
-#ifdef USE_ESP_IDF
+#ifdef USE_ESP32

 #include "esphome/core/log.h"
 #include "esphome/core/hal.h"
@@ -202,4 +202,4 @@ void DNSServer::process_next_request() {

 }  // namespace esphome::captive_portal

-#endif  // USE_ESP_IDF
+#endif  // USE_ESP32
--- a/esphome/components/captive_portal/dns_server_esp32_idf.h
+++ b/esphome/components/captive_portal/dns_server_esp32_idf.h
@@ -1,5 +1,5 @@
 #pragma once
-#ifdef USE_ESP_IDF
+#ifdef USE_ESP32

 #include <memory>
 #include "esphome/core/helpers.h"
@@ -24,4 +24,4 @@ class DNSServer {

 }  // namespace esphome::captive_portal

-#endif  // USE_ESP_IDF
+#endif  // USE_ESP32
--- a/esphome/components/cc1101/init.py
+++ b/esphome/components/cc1101/init.py
@@ -160,41 +160,63 @@ HYST_LEVEL = {
    "High": HystLevel.HYST_LEVEL_HIGH,
 }

-# Config key -> Validator mapping
+# Optional settings to generate setter calls for
 CONFIG_MAP = {
-    CONF_OUTPUT_POWER: cv.float_range(min=-30.0, max=11.0),
-    CONF_RX_ATTENUATION: cv.enum(RX_ATTENUATION, upper=False),
-    CONF_DC_BLOCKING_FILTER: cv.boolean,
-    CONF_FREQUENCY: cv.All(cv.frequency, cv.float_range(min=300000000, max=928000000)),
-    CONF_IF_FREQUENCY: cv.All(cv.frequency, cv.float_range(min=25000, max=788000)),
-    CONF_FILTER_BANDWIDTH: cv.All(cv.frequency, cv.float_range(min=58000, max=812000)),
-    CONF_CHANNEL: cv.uint8_t,
-    CONF_CHANNEL_SPACING: cv.All(cv.frequency, cv.float_range(min=25000, max=405000)),
-    CONF_FSK_DEVIATION: cv.All(cv.frequency, cv.float_range(min=1500, max=381000)),
-    CONF_MSK_DEVIATION: cv.int_range(min=1, max=8),
-    CONF_SYMBOL_RATE: cv.float_range(min=600, max=500000),
-    CONF_SYNC_MODE: cv.enum(SYNC_MODE, upper=False),
-    CONF_CARRIER_SENSE_ABOVE_THRESHOLD: cv.boolean,
-    CONF_MODULATION_TYPE: cv.enum(MODULATION, upper=False),
-    CONF_MANCHESTER: cv.boolean,
-    CONF_NUM_PREAMBLE: cv.int_range(min=0, max=7),
-    CONF_SYNC1: cv.hex_uint8_t,
-    CONF_SYNC0: cv.hex_uint8_t,
-    CONF_MAGN_TARGET: cv.enum(MAGN_TARGET, upper=False),
-    CONF_MAX_LNA_GAIN: cv.enum(MAX_LNA_GAIN, upper=False),
-    CONF_MAX_DVGA_GAIN: cv.enum(MAX_DVGA_GAIN, upper=False),
-    CONF_CARRIER_SENSE_ABS_THR: cv.int_range(min=-8, max=7),
-    CONF_CARRIER_SENSE_REL_THR: cv.enum(CARRIER_SENSE_REL_THR, upper=False),
-    CONF_LNA_PRIORITY: cv.boolean,
-    CONF_FILTER_LENGTH_FSK_MSK: cv.enum(FILTER_LENGTH_FSK_MSK, upper=False),
-    CONF_FILTER_LENGTH_ASK_OOK: cv.enum(FILTER_LENGTH_ASK_OOK, upper=False),
-    CONF_FREEZE: cv.enum(FREEZE, upper=False),
-    CONF_WAIT_TIME: cv.enum(WAIT_TIME, upper=False),
-    CONF_HYST_LEVEL: cv.enum(HYST_LEVEL, upper=False),
-    CONF_PACKET_MODE: cv.boolean,
-    CONF_PACKET_LENGTH: cv.uint8_t,
-    CONF_CRC_ENABLE: cv.boolean,
-    CONF_WHITENING: cv.boolean,
+    cv.Optional(CONF_OUTPUT_POWER, default=10): cv.float_range(min=-30.0, max=11.0),
+    cv.Optional(CONF_RX_ATTENUATION, default="0dB"): cv.enum(
+        RX_ATTENUATION, upper=False
+    ),
+    cv.Optional(CONF_DC_BLOCKING_FILTER, default=True): cv.boolean,
+    cv.Optional(CONF_FREQUENCY, default="433.92MHz"): cv.All(
+        cv.frequency, cv.float_range(min=300.0e6, max=928.0e6)
+    ),
+    cv.Optional(CONF_IF_FREQUENCY, default="153kHz"): cv.All(
+        cv.frequency, cv.float_range(min=25000, max=788000)
+    ),
+    cv.Optional(CONF_FILTER_BANDWIDTH, default="203kHz"): cv.All(
+        cv.frequency, cv.float_range(min=58000, max=812000)
+    ),
+    cv.Optional(CONF_CHANNEL, default=0): cv.uint8_t,
+    cv.Optional(CONF_CHANNEL_SPACING, default="200kHz"): cv.All(
+        cv.frequency, cv.float_range(min=25000, max=405000)
+    ),
+    cv.Optional(CONF_FSK_DEVIATION): cv.All(
+        cv.frequency, cv.float_range(min=1500, max=381000)
+    ),
+    cv.Optional(CONF_MSK_DEVIATION): cv.int_range(min=1, max=8),
+    cv.Optional(CONF_SYMBOL_RATE, default=5000): cv.float_range(min=600, max=500000),
+    cv.Optional(CONF_SYNC_MODE, default="16/16"): cv.enum(SYNC_MODE, upper=False),
+    cv.Optional(CONF_CARRIER_SENSE_ABOVE_THRESHOLD, default=False): cv.boolean,
+    cv.Optional(CONF_MODULATION_TYPE, default="ASK/OOK"): cv.enum(
+        MODULATION, upper=False
+    ),
+    cv.Optional(CONF_MANCHESTER, default=False): cv.boolean,
+    cv.Optional(CONF_NUM_PREAMBLE, default=2): cv.int_range(min=0, max=7),
+    cv.Optional(CONF_SYNC1, default=0xD3): cv.hex_uint8_t,
+    cv.Optional(CONF_SYNC0, default=0x91): cv.hex_uint8_t,
+    cv.Optional(CONF_MAGN_TARGET, default="42dB"): cv.enum(MAGN_TARGET, upper=False),
+    cv.Optional(CONF_MAX_LNA_GAIN, default="Default"): cv.enum(
+        MAX_LNA_GAIN, upper=False
+    ),
+    cv.Optional(CONF_MAX_DVGA_GAIN, default="-3"): cv.enum(MAX_DVGA_GAIN, upper=False),
+    cv.Optional(CONF_CARRIER_SENSE_ABS_THR): cv.int_range(min=-8, max=7),
+    cv.Optional(CONF_CARRIER_SENSE_REL_THR): cv.enum(
+        CARRIER_SENSE_REL_THR, upper=False
+    ),
+    cv.Optional(CONF_LNA_PRIORITY, default=False): cv.boolean,
+    cv.Optional(CONF_FILTER_LENGTH_FSK_MSK): cv.enum(
+        FILTER_LENGTH_FSK_MSK, upper=False
+    ),
+    cv.Optional(CONF_FILTER_LENGTH_ASK_OOK): cv.enum(
+        FILTER_LENGTH_ASK_OOK, upper=False
+    ),
+    cv.Optional(CONF_FREEZE): cv.enum(FREEZE, upper=False),
+    cv.Optional(CONF_WAIT_TIME, default="32"): cv.enum(WAIT_TIME, upper=False),
+    cv.Optional(CONF_HYST_LEVEL): cv.enum(HYST_LEVEL, upper=False),
+    cv.Optional(CONF_PACKET_MODE, default=False): cv.boolean,
+    cv.Optional(CONF_PACKET_LENGTH): cv.uint8_t,
+    cv.Optional(CONF_CRC_ENABLE, default=False): cv.boolean,
+    cv.Optional(CONF_WHITENING, default=False): cv.boolean,
 }


@@ -217,7 +239,7 @@ CONFIG_SCHEMA = cv.All(
            cv.Optional(CONF_ON_PACKET): automation.validate_automation(single=True),
        }
    )
-    .extend({cv.Optional(key): validator for key, validator in CONFIG_MAP.items()})
+    .extend(CONFIG_MAP)
    .extend(cv.COMPONENT_SCHEMA)
    .extend(spi.spi_device_schema(cs_pin_required=True)),
    _validate_packet_mode,
@@ -229,7 +251,8 @@ async def to_code(config):
    await cg.register_component(var, config)
    await spi.register_spi_device(var, config)

-    for key in CONFIG_MAP:
+    for opt in CONFIG_MAP:
+        key = opt.schema
        if key in config:
            cg.add(getattr(var, f"set_{key}")(config[key]))

--- a/esphome/components/cc1101/cc1101.cpp
+++ b/esphome/components/cc1101/cc1101.cpp
@@ -98,25 +98,8 @@ CC1101Component::CC1101Component() {
  this->state_.LENGTH_CONFIG = 2;
  this->state_.FS_AUTOCAL = 1;

-  // Default Settings
-  this->set_frequency(433920);
-  this->set_if_frequency(153);
-  this->set_filter_bandwidth(203);
-  this->set_channel(0);
-  this->set_channel_spacing(200);
-  this->set_symbol_rate(5000);
-  this->set_sync_mode(SyncMode::SYNC_MODE_NONE);
-  this->set_carrier_sense_above_threshold(true);
-  this->set_modulation_type(Modulation::MODULATION_ASK_OOK);
-  this->set_magn_target(MagnTarget::MAGN_TARGET_42DB);
-  this->set_max_lna_gain(MaxLnaGain::MAX_LNA_GAIN_DEFAULT);
-  this->set_max_dvga_gain(MaxDvgaGain::MAX_DVGA_GAIN_MINUS_3);
-  this->set_lna_priority(false);
-  this->set_wait_time(WaitTime::WAIT_TIME_32_SAMPLES);
-
  // CRITICAL: Initialize PA Table to avoid transmitting 0 power (Silence)
  memset(this->pa_table_, 0, sizeof(this->pa_table_));
-  this->set_output_power(10.0f);
 }

 void CC1101Component::setup() {
@@ -186,14 +169,16 @@ void CC1101Component::loop() {
  }

  // Read packet
-  uint8_t payload_length;
+  uint8_t payload_length, expected_rx;
  if (this->state_.LENGTH_CONFIG == static_cast<uint8_t>(LengthConfig::LENGTH_CONFIG_VARIABLE)) {
    this->read_(Register::FIFO, &payload_length, 1);
+    expected_rx = payload_length + 1;
  } else {
    payload_length = this->state_.PKTLEN;
+    expected_rx = payload_length;
  }
-  if (payload_length == 0 || payload_length > 64) {
-    ESP_LOGW(TAG, "Invalid payload length: %u", payload_length);
+  if (payload_length == 0 || payload_length > 64 || rx_bytes != expected_rx) {
+    ESP_LOGW(TAG, "Invalid packet: rx_bytes %u, payload_length %u", rx_bytes, payload_length);
    this->enter_idle_();
    this->strobe_(Command::FRX);
    this->strobe_(Command::RX);
@@ -203,13 +188,12 @@ void CC1101Component::loop() {
  this->packet_.resize(payload_length);
  this->read_(Register::FIFO, this->packet_.data(), payload_length);

-  // Read status and trigger
-  uint8_t status[2];
-  this->read_(Register::FIFO, status, 2);
-  int8_t rssi_raw = static_cast<int8_t>(status[0]);
-  float rssi = (rssi_raw * RSSI_STEP) - RSSI_OFFSET;
-  bool crc_ok = (status[1] & STATUS_CRC_OK_MASK) != 0;
-  uint8_t lqi = status[1] & STATUS_LQI_MASK;
+  // Read status from registers (more reliable than FIFO status bytes due to timing issues)
+  this->read_(Register::RSSI);
+  this->read_(Register::LQI);
+  float rssi = (this->state_.RSSI * RSSI_STEP) - RSSI_OFFSET;
+  bool crc_ok = (this->state_.LQI & STATUS_CRC_OK_MASK) != 0;
+  uint8_t lqi = this->state_.LQI & STATUS_LQI_MASK;
  if (this->state_.CRC_EN == 0 || crc_ok) {
    this->packet_trigger_->trigger(this->packet_, rssi, lqi);
  }
@@ -633,12 +617,15 @@ void CC1101Component::set_packet_mode(bool value) {
    this->state_.GDO0_CFG = 0x01;
    // Set max RX FIFO threshold to ensure we only trigger on end-of-packet
    this->state_.FIFO_THR = 15;
+    // Don't append status bytes to FIFO - we read from registers instead
+    this->state_.APPEND_STATUS = 0;
  } else {
    // Configure GDO0 for serial data (async serial mode)
    this->state_.GDO0_CFG = 0x0D;
  }
  if (this->initialized_) {
    this->write_(Register::PKTCTRL0);
+    this->write_(Register::PKTCTRL1);
    this->write_(Register::IOCFG0);
    this->write_(Register::FIFOTHR);
  }
--- a/esphome/components/climate/init.py
+++ b/esphome/components/climate/init.py
@@ -117,9 +117,7 @@ CONF_MIN_HUMIDITY = "min_humidity"
 CONF_MAX_HUMIDITY = "max_humidity"
 CONF_TARGET_HUMIDITY = "target_humidity"

-visual_temperature = cv.float_with_unit(
-    "visual_temperature", "(°C|° C|°|C|°K|° K|K|°F|° F|F)?"
-)
+visual_temperature = cv.float_with_unit("visual_temperature", "(°|(° ?)?[CKF])?")


 VISUAL_TEMPERATURE_STEP_SCHEMA = cv.Schema(
@@ -275,10 +273,13 @@ async def setup_climate_core_(var, config):

    visual = config[CONF_VISUAL]
    if (min_temp := visual.get(CONF_MIN_TEMPERATURE)) is not None:
+        cg.add_define("USE_CLIMATE_VISUAL_OVERRIDES")
        cg.add(var.set_visual_min_temperature_override(min_temp))
    if (max_temp := visual.get(CONF_MAX_TEMPERATURE)) is not None:
+        cg.add_define("USE_CLIMATE_VISUAL_OVERRIDES")
        cg.add(var.set_visual_max_temperature_override(max_temp))
    if (temp_step := visual.get(CONF_TEMPERATURE_STEP)) is not None:
+        cg.add_define("USE_CLIMATE_VISUAL_OVERRIDES")
        cg.add(
            var.set_visual_temperature_step_override(
                temp_step[CONF_TARGET_TEMPERATURE],
@@ -286,8 +287,10 @@ async def setup_climate_core_(var, config):
            )
        )
    if (min_humidity := visual.get(CONF_MIN_HUMIDITY)) is not None:
+        cg.add_define("USE_CLIMATE_VISUAL_OVERRIDES")
        cg.add(var.set_visual_min_humidity_override(min_humidity))
    if (max_humidity := visual.get(CONF_MAX_HUMIDITY)) is not None:
+        cg.add_define("USE_CLIMATE_VISUAL_OVERRIDES")
        cg.add(var.set_visual_max_humidity_override(max_humidity))

    if (mqtt_id := config.get(CONF_MQTT_ID)) is not None:
--- a/esphome/components/climate/climate.cpp
+++ b/esphome/components/climate/climate.cpp
@@ -2,6 +2,7 @@
 #include "esphome/core/defines.h"
 #include "esphome/core/controller_registry.h"
 #include "esphome/core/macros.h"
+#include <strings.h>

 namespace esphome::climate {

@@ -190,24 +191,30 @@ ClimateCall &ClimateCall::set_fan_mode(ClimateFanMode fan_mode) {
 }

 ClimateCall &ClimateCall::set_fan_mode(const char *custom_fan_mode) {
+  return this->set_fan_mode(custom_fan_mode, strlen(custom_fan_mode));
+}
+
+ClimateCall &ClimateCall::set_fan_mode(const std::string &fan_mode) {
+  return this->set_fan_mode(fan_mode.data(), fan_mode.size());
+}
+
+ClimateCall &ClimateCall::set_fan_mode(const char *custom_fan_mode, size_t len) {
  // Check if it's a standard enum mode first
  for (const auto &mode_entry : CLIMATE_FAN_MODES_BY_STR) {
-    if (str_equals_case_insensitive(custom_fan_mode, mode_entry.str)) {
+    if (strncasecmp(custom_fan_mode, mode_entry.str, len) == 0 && mode_entry.str[len] == '\0') {
      return this->set_fan_mode(static_cast<ClimateFanMode>(mode_entry.value));
    }
  }
  // Find the matching pointer from parent climate device
-  if (const char *mode_ptr = this->parent_->find_custom_fan_mode_(custom_fan_mode)) {
+  if (const char *mode_ptr = this->parent_->find_custom_fan_mode_(custom_fan_mode, len)) {
    this->custom_fan_mode_ = mode_ptr;
    this->fan_mode_.reset();
    return *this;
  }
-  ESP_LOGW(TAG, "'%s' - Unrecognized fan mode %s", this->parent_->get_name().c_str(), custom_fan_mode);
+  ESP_LOGW(TAG, "'%s' - Unrecognized fan mode %.*s", this->parent_->get_name().c_str(), (int) len, custom_fan_mode);
  return *this;
 }

-ClimateCall &ClimateCall::set_fan_mode(const std::string &fan_mode) { return this->set_fan_mode(fan_mode.c_str()); }
-
 ClimateCall &ClimateCall::set_fan_mode(optional<std::string> fan_mode) {
  if (fan_mode.has_value()) {
    this->set_fan_mode(fan_mode.value());
@@ -222,24 +229,30 @@ ClimateCall &ClimateCall::set_preset(ClimatePreset preset) {
 }

 ClimateCall &ClimateCall::set_preset(const char *custom_preset) {
+  return this->set_preset(custom_preset, strlen(custom_preset));
+}
+
+ClimateCall &ClimateCall::set_preset(const std::string &preset) {
+  return this->set_preset(preset.data(), preset.size());
+}
+
+ClimateCall &ClimateCall::set_preset(const char *custom_preset, size_t len) {
  // Check if it's a standard enum preset first
  for (const auto &preset_entry : CLIMATE_PRESETS_BY_STR) {
-    if (str_equals_case_insensitive(custom_preset, preset_entry.str)) {
+    if (strncasecmp(custom_preset, preset_entry.str, len) == 0 && preset_entry.str[len] == '\0') {
      return this->set_preset(static_cast<ClimatePreset>(preset_entry.value));
    }
  }
  // Find the matching pointer from parent climate device
-  if (const char *preset_ptr = this->parent_->find_custom_preset_(custom_preset)) {
+  if (const char *preset_ptr = this->parent_->find_custom_preset_(custom_preset, len)) {
    this->custom_preset_ = preset_ptr;
    this->preset_.reset();
    return *this;
  }
-  ESP_LOGW(TAG, "'%s' - Unrecognized preset %s", this->parent_->get_name().c_str(), custom_preset);
+  ESP_LOGW(TAG, "'%s' - Unrecognized preset %.*s", this->parent_->get_name().c_str(), (int) len, custom_preset);
  return *this;
 }

-ClimateCall &ClimateCall::set_preset(const std::string &preset) { return this->set_preset(preset.c_str()); }
-
 ClimateCall &ClimateCall::set_preset(optional<std::string> preset) {
  if (preset.has_value()) {
    this->set_preset(preset.value());
@@ -356,7 +369,7 @@ optional<ClimateDeviceRestoreState> Climate::restore_state_() {
 }

 void Climate::save_state_() {
-#if (defined(USE_ESP_IDF) || (defined(USE_ESP8266) && USE_ARDUINO_VERSION_CODE >= VERSION_CODE(3, 0, 0))) && \
+#if (defined(USE_ESP32) || (defined(USE_ESP8266) && USE_ARDUINO_VERSION_CODE >= VERSION_CODE(3, 0, 0))) && \
    !defined(CLANG_TIDY)
 #pragma GCC diagnostic ignored "-Wclass-memaccess"
 #define TEMP_IGNORE_MEMACCESS
@@ -473,26 +486,28 @@ void Climate::publish_state() {

 ClimateTraits Climate::get_traits() {
  auto traits = this->traits();
-  if (this->visual_min_temperature_override_.has_value()) {
-    traits.set_visual_min_temperature(*this->visual_min_temperature_override_);
+#ifdef USE_CLIMATE_VISUAL_OVERRIDES
+  if (!std::isnan(this->visual_min_temperature_override_)) {
+    traits.set_visual_min_temperature(this->visual_min_temperature_override_);
  }
-  if (this->visual_max_temperature_override_.has_value()) {
-    traits.set_visual_max_temperature(*this->visual_max_temperature_override_);
+  if (!std::isnan(this->visual_max_temperature_override_)) {
+    traits.set_visual_max_temperature(this->visual_max_temperature_override_);
  }
-  if (this->visual_target_temperature_step_override_.has_value()) {
-    traits.set_visual_target_temperature_step(*this->visual_target_temperature_step_override_);
-    traits.set_visual_current_temperature_step(*this->visual_current_temperature_step_override_);
+  if (!std::isnan(this->visual_target_temperature_step_override_)) {
+    traits.set_visual_target_temperature_step(this->visual_target_temperature_step_override_);
+    traits.set_visual_current_temperature_step(this->visual_current_temperature_step_override_);
  }
-  if (this->visual_min_humidity_override_.has_value()) {
-    traits.set_visual_min_humidity(*this->visual_min_humidity_override_);
+  if (!std::isnan(this->visual_min_humidity_override_)) {
+    traits.set_visual_min_humidity(this->visual_min_humidity_override_);
  }
-  if (this->visual_max_humidity_override_.has_value()) {
-    traits.set_visual_max_humidity(*this->visual_max_humidity_override_);
+  if (!std::isnan(this->visual_max_humidity_override_)) {
+    traits.set_visual_max_humidity(this->visual_max_humidity_override_);
  }
-
+#endif
  return traits;
 }

+#ifdef USE_CLIMATE_VISUAL_OVERRIDES
 void Climate::set_visual_min_temperature_override(float visual_min_temperature_override) {
  this->visual_min_temperature_override_ = visual_min_temperature_override;
 }
@@ -513,6 +528,7 @@ void Climate::set_visual_min_humidity_override(float visual_min_humidity_overrid
 void Climate::set_visual_max_humidity_override(float visual_max_humidity_override) {
  this->visual_max_humidity_override_ = visual_max_humidity_override;
 }
+#endif

 ClimateCall Climate::make_call() { return ClimateCall(this); }

@@ -685,11 +701,19 @@ bool Climate::set_custom_preset_(const char *preset) {
 void Climate::clear_custom_preset_() { this->custom_preset_ = nullptr; }

 const char *Climate::find_custom_fan_mode_(const char *custom_fan_mode) {
-  return this->get_traits().find_custom_fan_mode_(custom_fan_mode);
+  return this->find_custom_fan_mode_(custom_fan_mode, strlen(custom_fan_mode));
+}
+
+const char *Climate::find_custom_fan_mode_(const char *custom_fan_mode, size_t len) {
+  return this->get_traits().find_custom_fan_mode_(custom_fan_mode, len);
 }

 const char *Climate::find_custom_preset_(const char *custom_preset) {
-  return this->get_traits().find_custom_preset_(custom_preset);
+  return this->find_custom_preset_(custom_preset, strlen(custom_preset));
+}
+
+const char *Climate::find_custom_preset_(const char *custom_preset, size_t len) {
+  return this->get_traits().find_custom_preset_(custom_preset, len);
 }

 void Climate::dump_traits_(const char *tag) {
--- a/esphome/components/climate/climate.h
+++ b/esphome/components/climate/climate.h
@@ -78,6 +78,8 @@ class ClimateCall {
  ClimateCall &set_fan_mode(optional<std::string> fan_mode);
  /// Set the custom fan mode of the climate device.
  ClimateCall &set_fan_mode(const char *custom_fan_mode);
+  /// Set the custom fan mode of the climate device (zero-copy API path).
+  ClimateCall &set_fan_mode(const char *custom_fan_mode, size_t len);
  /// Set the swing mode of the climate device.
  ClimateCall &set_swing_mode(ClimateSwingMode swing_mode);
  /// Set the swing mode of the climate device.
@@ -94,6 +96,8 @@ class ClimateCall {
  ClimateCall &set_preset(optional<std::string> preset);
  /// Set the custom preset of the climate device.
  ClimateCall &set_preset(const char *custom_preset);
+  /// Set the custom preset of the climate device (zero-copy API path).
+  ClimateCall &set_preset(const char *custom_preset, size_t len);

  void perform();

@@ -213,11 +217,13 @@ class Climate : public EntityBase {
   */
  ClimateTraits get_traits();

+#ifdef USE_CLIMATE_VISUAL_OVERRIDES
  void set_visual_min_temperature_override(float visual_min_temperature_override);
  void set_visual_max_temperature_override(float visual_max_temperature_override);
  void set_visual_temperature_step_override(float target, float current);
  void set_visual_min_humidity_override(float visual_min_humidity_override);
  void set_visual_max_humidity_override(float visual_max_humidity_override);
+#endif

  /// Check if a custom fan mode is currently active.
  bool has_custom_fan_mode() const { return this->custom_fan_mode_ != nullptr; }
@@ -288,9 +294,11 @@ class Climate : public EntityBase {

  /// Find and return the matching custom fan mode pointer from traits, or nullptr if not found.
  const char *find_custom_fan_mode_(const char *custom_fan_mode);
+  const char *find_custom_fan_mode_(const char *custom_fan_mode, size_t len);

  /// Find and return the matching custom preset pointer from traits, or nullptr if not found.
  const char *find_custom_preset_(const char *custom_preset);
+  const char *find_custom_preset_(const char *custom_preset, size_t len);

  /** Get the default traits of this climate device.
   *
@@ -318,15 +326,17 @@ class Climate : public EntityBase {

  void dump_traits_(const char *tag);

-  CallbackManager<void(Climate &)> state_callback_{};
-  CallbackManager<void(ClimateCall &)> control_callback_{};
+  LazyCallbackManager<void(Climate &)> state_callback_{};
+  LazyCallbackManager<void(ClimateCall &)> control_callback_{};
  ESPPreferenceObject rtc_;
-  optional<float> visual_min_temperature_override_{};
-  optional<float> visual_max_temperature_override_{};
-  optional<float> visual_target_temperature_step_override_{};
-  optional<float> visual_current_temperature_step_override_{};
-  optional<float> visual_min_humidity_override_{};
-  optional<float> visual_max_humidity_override_{};
+#ifdef USE_CLIMATE_VISUAL_OVERRIDES
+  float visual_min_temperature_override_{NAN};
+  float visual_max_temperature_override_{NAN};
+  float visual_target_temperature_step_override_{NAN};
+  float visual_current_temperature_step_override_{NAN};
+  float visual_min_humidity_override_{NAN};
+  float visual_max_humidity_override_{NAN};
+#endif

 private:
  /** The active custom fan mode (private - enforces use of safe setters).
--- a/esphome/components/climate/climate_traits.h
+++ b/esphome/components/climate/climate_traits.h
@@ -20,18 +20,22 @@ using ClimatePresetMask = FiniteSetMask<ClimatePreset, DefaultBitPolicy<ClimateP

 // Lightweight linear search for small vectors (1-20 items) of const char* pointers
 // Avoids std::find template overhead
-inline bool vector_contains(const std::vector<const char *> &vec, const char *value) {
+inline bool vector_contains(const std::vector<const char *> &vec, const char *value, size_t len) {
  for (const char *item : vec) {
-    if (strcmp(item, value) == 0)
+    if (strncmp(item, value, len) == 0 && item[len] == '\0')
      return true;
  }
  return false;
 }

+inline bool vector_contains(const std::vector<const char *> &vec, const char *value) {
+  return vector_contains(vec, value, strlen(value));
+}
+
 // Find and return matching pointer from vector, or nullptr if not found
-inline const char *vector_find(const std::vector<const char *> &vec, const char *value) {
+inline const char *vector_find(const std::vector<const char *> &vec, const char *value, size_t len) {
  for (const char *item : vec) {
-    if (strcmp(item, value) == 0)
+    if (strncmp(item, value, len) == 0 && item[len] == '\0')
      return item;
  }
  return nullptr;
@@ -257,13 +261,19 @@ class ClimateTraits {
  /// Find and return the matching custom fan mode pointer from supported modes, or nullptr if not found
  /// This is protected as it's an implementation detail - use Climate::find_custom_fan_mode_() instead
  const char *find_custom_fan_mode_(const char *custom_fan_mode) const {
-    return vector_find(this->supported_custom_fan_modes_, custom_fan_mode);
+    return this->find_custom_fan_mode_(custom_fan_mode, strlen(custom_fan_mode));
+  }
+  const char *find_custom_fan_mode_(const char *custom_fan_mode, size_t len) const {
+    return vector_find(this->supported_custom_fan_modes_, custom_fan_mode, len);
  }

  /// Find and return the matching custom preset pointer from supported presets, or nullptr if not found
  /// This is protected as it's an implementation detail - use Climate::find_custom_preset_() instead
  const char *find_custom_preset_(const char *custom_preset) const {
-    return vector_find(this->supported_custom_presets_, custom_preset);
+    return this->find_custom_preset_(custom_preset, strlen(custom_preset));
+  }
+  const char *find_custom_preset_(const char *custom_preset, size_t len) const {
+    return vector_find(this->supported_custom_presets_, custom_preset, len);
  }

  uint32_t feature_flags_{0};
--- a/esphome/components/copy/select/copy_select.cpp
+++ b/esphome/components/copy/select/copy_select.cpp
@@ -7,7 +7,7 @@ namespace copy {
 static const char *const TAG = "copy.select";

 void CopySelect::setup() {
-  source_->add_on_state_callback([this](const std::string &value, size_t index) { this->publish_state(index); });
+  source_->add_on_state_callback([this](size_t index) { this->publish_state(index); });

  traits.set_options(source_->traits.get_options());

--- a/esphome/components/cover/cover.h
+++ b/esphome/components/cover/cover.h
@@ -152,7 +152,7 @@ class Cover : public EntityBase, public EntityBase_DeviceClass {

  optional<CoverRestoreState> restore_state_();

-  CallbackManager<void()> state_callback_{};
+  LazyCallbackManager<void()> state_callback_{};

  ESPPreferenceObject rtc_;
 };
--- a/esphome/components/dallas_temp/dallas_temp.cpp
+++ b/esphome/components/dallas_temp/dallas_temp.cpp
@@ -51,7 +51,7 @@ void DallasTemperatureSensor::update() {
    }

    float tempc = this->get_temp_c_();
-    ESP_LOGD(TAG, "'%s': Got Temperature=%.1f°C", this->get_name().c_str(), tempc);
+    ESP_LOGD(TAG, "'%s': Got Temperature=%f°C", this->get_name().c_str(), tempc);
    this->publish_state(tempc);
  });
 }
--- a/esphome/components/datetime/datetime_base.h
+++ b/esphome/components/datetime/datetime_base.h
@@ -22,7 +22,7 @@ class DateTimeBase : public EntityBase {
 #endif

 protected:
-  CallbackManager<void()> state_callback_;
+  LazyCallbackManager<void()> state_callback_;

 #ifdef USE_TIME
  time::RealTimeClock *rtc_;
--- a/esphome/components/debug/debug_esp32.cpp
+++ b/esphome/components/debug/debug_esp32.cpp
@@ -200,7 +200,7 @@ void DebugComponent::get_device_info_(std::string &device_info) {
 #ifdef USE_ARDUINO
  ESP_LOGD(TAG, "Framework: Arduino");
  device_info += "Arduino";
-#elif defined(USE_ESP_IDF)
+#elif defined(USE_ESP32)
  ESP_LOGD(TAG, "Framework: ESP-IDF");
  device_info += "ESP-IDF";
 #else
--- a/esphome/components/deep_sleep/init.py
+++ b/esphome/components/deep_sleep/init.py
@@ -1,4 +1,4 @@
-from esphome import automation, pins
+from esphome import automation, core, pins
 import esphome.codegen as cg
 from esphome.components import esp32, time
 from esphome.components.esp32 import (
@@ -23,16 +23,20 @@ from esphome.const import (
    CONF_MINUTE,
    CONF_MODE,
    CONF_NUMBER,
+    CONF_PIN,
    CONF_PINS,
    CONF_RUN_DURATION,
    CONF_SECOND,
    CONF_SLEEP_DURATION,
    CONF_TIME_ID,
    CONF_WAKEUP_PIN,
+    PLATFORM_BK72XX,
    PLATFORM_ESP32,
    PLATFORM_ESP8266,
    PlatformFramework,
 )
+from esphome.core import CORE
+from esphome.types import ConfigType

 WAKEUP_PINS = {
    VARIANT_ESP32: [
@@ -113,7 +117,7 @@ WAKEUP_PINS = {
 }


-def validate_pin_number(value):
+def validate_pin_number_esp32(value: ConfigType) -> ConfigType:
    valid_pins = WAKEUP_PINS.get(get_esp32_variant(), WAKEUP_PINS[VARIANT_ESP32])
    if value[CONF_NUMBER] not in valid_pins:
        raise cv.Invalid(
@@ -122,6 +126,51 @@ def validate_pin_number(value):
    return value


+def validate_pin_number(value: ConfigType) -> ConfigType:
+    if not CORE.is_esp32:
+        return value
+    return validate_pin_number_esp32(value)
+
+
+def validate_wakeup_pin(
+    value: ConfigType | list[ConfigType],
+) -> list[ConfigType]:
+    if not isinstance(value, list):
+        processed_pins: list[ConfigType] = [{CONF_PIN: value}]
+    else:
+        processed_pins = list(value)
+
+    for i, pin_config in enumerate(processed_pins):
+        # now validate each item
+        validated_pin = WAKEUP_PIN_SCHEMA(pin_config)
+        validate_pin_number(validated_pin[CONF_PIN])
+        processed_pins[i] = validated_pin
+
+    return processed_pins
+
+
+def validate_config(config: ConfigType) -> ConfigType:
+    # right now only BK72XX supports the list format for wakeup pins
+    if CORE.is_bk72xx:
+        if CONF_WAKEUP_PIN_MODE in config:
+            wakeup_pins = config.get(CONF_WAKEUP_PIN, [])
+            if len(wakeup_pins) > 1:
+                raise cv.Invalid(
+                    "You need to remove the global wakeup_pin_mode and define it per pin"
+                )
+            if wakeup_pins:
+                wakeup_pins[0][CONF_WAKEUP_PIN_MODE] = config.pop(CONF_WAKEUP_PIN_MODE)
+    elif (
+        isinstance(config.get(CONF_WAKEUP_PIN), list)
+        and len(config[CONF_WAKEUP_PIN]) > 1
+    ):
+        raise cv.Invalid(
+            "Your platform does not support providing multiple entries in wakeup_pin"
+        )
+
+    return config
+
+
 def _validate_ex1_wakeup_mode(value):
    if value == "ALL_LOW":
        esp32.only_on_variant(supported=[VARIANT_ESP32], msg_prefix="ALL_LOW")(value)
@@ -141,6 +190,15 @@ def _validate_ex1_wakeup_mode(value):
    return value


+def _validate_sleep_duration(value: core.TimePeriod) -> core.TimePeriod:
+    if not CORE.is_bk72xx:
+        return value
+    max_duration = core.TimePeriod(hours=36)
+    if value > max_duration:
+        raise cv.Invalid("sleep duration cannot be more than 36 hours on BK72XX")
+    return value
+
+
 deep_sleep_ns = cg.esphome_ns.namespace("deep_sleep")
 DeepSleepComponent = deep_sleep_ns.class_("DeepSleepComponent", cg.Component)
 EnterDeepSleepAction = deep_sleep_ns.class_("EnterDeepSleepAction", automation.Action)
@@ -186,6 +244,13 @@ WAKEUP_CAUSES_SCHEMA = cv.Schema(
    }
 )

+WAKEUP_PIN_SCHEMA = cv.Schema(
+    {
+        cv.Required(CONF_PIN): pins.internal_gpio_input_pin_schema,
+        cv.Optional(CONF_WAKEUP_PIN_MODE): cv.enum(WAKEUP_PIN_MODES, upper=True),
+    }
+)
+
 CONFIG_SCHEMA = cv.All(
    cv.Schema(
        {
@@ -194,14 +259,15 @@ CONFIG_SCHEMA = cv.All(
                cv.All(cv.only_on_esp32, WAKEUP_CAUSES_SCHEMA),
                cv.positive_time_period_milliseconds,
            ),
-            cv.Optional(CONF_SLEEP_DURATION): cv.positive_time_period_milliseconds,
-            cv.Optional(CONF_WAKEUP_PIN): cv.All(
-                cv.only_on_esp32,
-                pins.internal_gpio_input_pin_schema,
-                validate_pin_number,
+            cv.Optional(CONF_SLEEP_DURATION): cv.All(
+                cv.positive_time_period_milliseconds,
+                _validate_sleep_duration,
            ),
+            cv.Optional(CONF_WAKEUP_PIN): validate_wakeup_pin,
            cv.Optional(CONF_WAKEUP_PIN_MODE): cv.All(
-                cv.only_on_esp32, cv.enum(WAKEUP_PIN_MODES), upper=True
+                cv.only_on([PLATFORM_ESP32, PLATFORM_BK72XX]),
+                cv.enum(WAKEUP_PIN_MODES),
+                upper=True,
            ),
            cv.Optional(CONF_ESP32_EXT1_WAKEUP): cv.All(
                cv.only_on_esp32,
@@ -212,7 +278,8 @@ CONFIG_SCHEMA = cv.All(
                cv.Schema(
                    {
                        cv.Required(CONF_PINS): cv.ensure_list(
-                            pins.internal_gpio_input_pin_schema, validate_pin_number
+                            pins.internal_gpio_input_pin_schema,
+                            validate_pin_number_esp32,
                        ),
                        cv.Required(CONF_MODE): cv.All(
                            cv.enum(EXT1_WAKEUP_MODES, upper=True),
@@ -238,7 +305,8 @@ CONFIG_SCHEMA = cv.All(
            ),
        }
    ).extend(cv.COMPONENT_SCHEMA),
-    cv.only_on([PLATFORM_ESP32, PLATFORM_ESP8266]),
+    cv.only_on([PLATFORM_ESP32, PLATFORM_ESP8266, PLATFORM_BK72XX]),
+    validate_config,
 )


@@ -249,8 +317,21 @@ async def to_code(config):
    if CONF_SLEEP_DURATION in config:
        cg.add(var.set_sleep_duration(config[CONF_SLEEP_DURATION]))
    if CONF_WAKEUP_PIN in config:
-        pin = await cg.gpio_pin_expression(config[CONF_WAKEUP_PIN])
-        cg.add(var.set_wakeup_pin(pin))
+        pins_as_list = config.get(CONF_WAKEUP_PIN, [])
+        if CORE.is_bk72xx:
+            cg.add(var.init_wakeup_pins_(len(pins_as_list)))
+            for item in pins_as_list:
+                cg.add(
+                    var.add_wakeup_pin(
+                        await cg.gpio_pin_expression(item[CONF_PIN]),
+                        item.get(
+                            CONF_WAKEUP_PIN_MODE, WakeupPinMode.WAKEUP_PIN_MODE_IGNORE
+                        ),
+                    )
+                )
+        else:
+            pin = await cg.gpio_pin_expression(pins_as_list[0][CONF_PIN])
+            cg.add(var.set_wakeup_pin(pin))
    if CONF_WAKEUP_PIN_MODE in config:
        cg.add(var.set_wakeup_pin_mode(config[CONF_WAKEUP_PIN_MODE]))
    if CONF_RUN_DURATION in config:
@@ -305,7 +386,10 @@ DEEP_SLEEP_ENTER_SCHEMA = cv.All(
            cv.Schema(
                {
                    cv.Exclusive(CONF_SLEEP_DURATION, "time"): cv.templatable(
-                        cv.positive_time_period_milliseconds
+                        cv.All(
+                            cv.positive_time_period_milliseconds,
+                            _validate_sleep_duration,
+                        )
                    ),
                    # Only on ESP32 due to how long the RTC on ESP8266 can stay asleep
                    cv.Exclusive(CONF_UNTIL, "time"): cv.All(
@@ -363,5 +447,6 @@ FILTER_SOURCE_FILES = filter_source_files_from_platform(
            PlatformFramework.ESP32_IDF,
        },
        "deep_sleep_esp8266.cpp": {PlatformFramework.ESP8266_ARDUINO},
+        "deep_sleep_bk72xx.cpp": {PlatformFramework.BK72XX_ARDUINO},
    }
 )
--- a/esphome/components/deep_sleep/deep_sleep_bk72xx.cpp
+++ b/esphome/components/deep_sleep/deep_sleep_bk72xx.cpp
@@ -0,0 +1,64 @@
+#ifdef USE_BK72XX
+
+#include "deep_sleep_component.h"
+#include "esphome/core/log.h"
+
+namespace esphome::deep_sleep {
+
+static const char *const TAG = "deep_sleep.bk72xx";
+
+optional<uint32_t> DeepSleepComponent::get_run_duration_() const { return this->run_duration_; }
+
+void DeepSleepComponent::dump_config_platform_() {
+  for (const WakeUpPinItem &item : this->wakeup_pins_) {
+    LOG_PIN("  Wakeup Pin: ", item.wakeup_pin);
+  }
+}
+
+bool DeepSleepComponent::pin_prevents_sleep_(WakeUpPinItem &pinItem) const {
+  return (pinItem.wakeup_pin_mode == WAKEUP_PIN_MODE_KEEP_AWAKE && pinItem.wakeup_pin != nullptr &&
+          !this->sleep_duration_.has_value() && (pinItem.wakeup_level == get_real_pin_state_(*pinItem.wakeup_pin)));
+}
+
+bool DeepSleepComponent::prepare_to_sleep_() {
+  if (wakeup_pins_.size() > 0) {
+    for (WakeUpPinItem &item : this->wakeup_pins_) {
+      if (pin_prevents_sleep_(item)) {
+        // Defer deep sleep until inactive
+        if (!this->next_enter_deep_sleep_) {
+          this->status_set_warning();
+          ESP_LOGV(TAG, "Waiting for pin to switch state to enter deep sleep...");
+        }
+        this->next_enter_deep_sleep_ = true;
+        return false;
+      }
+    }
+  }
+  return true;
+}
+
+void DeepSleepComponent::deep_sleep_() {
+  for (WakeUpPinItem &item : this->wakeup_pins_) {
+    if (item.wakeup_pin_mode == WAKEUP_PIN_MODE_INVERT_WAKEUP) {
+      if (item.wakeup_level == get_real_pin_state_(*item.wakeup_pin)) {
+        item.wakeup_level = !item.wakeup_level;
+      }
+    }
+    ESP_LOGI(TAG, "Wake-up on P%u %s (%d)", item.wakeup_pin->get_pin(), item.wakeup_level ? "HIGH" : "LOW",
+             static_cast<int32_t>(item.wakeup_pin_mode));
+  }
+
+  if (this->sleep_duration_.has_value())
+    lt_deep_sleep_config_timer((*this->sleep_duration_ / 1000) & 0xFFFFFFFF);
+
+  for (WakeUpPinItem &item : this->wakeup_pins_) {
+    lt_deep_sleep_config_gpio(1 << item.wakeup_pin->get_pin(), item.wakeup_level);
+    lt_deep_sleep_keep_floating_gpio(1 << item.wakeup_pin->get_pin(), true);
+  }
+
+  lt_deep_sleep_enter();
+}
+
+}  // namespace esphome::deep_sleep
+
+#endif  // USE_BK72XX
--- a/esphome/components/deep_sleep/deep_sleep_component.h
+++ b/esphome/components/deep_sleep/deep_sleep_component.h
@@ -19,7 +19,7 @@
 namespace esphome {
 namespace deep_sleep {

-#ifdef USE_ESP32
+#if defined(USE_ESP32) || defined(USE_BK72XX)

 /** The values of this enum define what should be done if deep sleep is set up with a wakeup pin on the ESP32
 * and the scenario occurs that the wakeup pin is already in the wakeup state.
@@ -33,7 +33,17 @@ enum WakeupPinMode {
   */
  WAKEUP_PIN_MODE_INVERT_WAKEUP,
 };
+#endif

+#if defined(USE_BK72XX)
+struct WakeUpPinItem {
+  InternalGPIOPin *wakeup_pin;
+  WakeupPinMode wakeup_pin_mode;
+  bool wakeup_level;
+};
+#endif  // USE_BK72XX
+
+#ifdef USE_ESP32
 #if defined(USE_ESP32) && !defined(USE_ESP32_VARIANT_ESP32C2) && !defined(USE_ESP32_VARIANT_ESP32C3)
 struct Ext1Wakeup {
  uint64_t mask;
@@ -75,6 +85,13 @@ class DeepSleepComponent : public Component {
  void set_wakeup_pin_mode(WakeupPinMode wakeup_pin_mode);
 #endif  // USE_ESP32

+#if defined(USE_BK72XX)
+  void init_wakeup_pins_(size_t capacity) { this->wakeup_pins_.init(capacity); }
+  void add_wakeup_pin(InternalGPIOPin *wakeup_pin, WakeupPinMode wakeup_pin_mode) {
+    this->wakeup_pins_.emplace_back(WakeUpPinItem{wakeup_pin, wakeup_pin_mode, !wakeup_pin->is_inverted()});
+  }
+#endif  // USE_BK72XX
+
 #if defined(USE_ESP32)
 #if !defined(USE_ESP32_VARIANT_ESP32C2) && !defined(USE_ESP32_VARIANT_ESP32C3)
  void set_ext1_wakeup(Ext1Wakeup ext1_wakeup);
@@ -114,7 +131,17 @@ class DeepSleepComponent : public Component {
  bool prepare_to_sleep_();
  void deep_sleep_();

+#ifdef USE_BK72XX
+  bool pin_prevents_sleep_(WakeUpPinItem &pinItem) const;
+  bool get_real_pin_state_(InternalGPIOPin &pin) const { return (pin.digital_read() ^ pin.is_inverted()); }
+#endif  // USE_BK72XX
+
  optional<uint64_t> sleep_duration_;
+
+#ifdef USE_BK72XX
+  FixedVector<WakeUpPinItem> wakeup_pins_;
+#endif  // USE_BK72XX
+
 #ifdef USE_ESP32
  InternalGPIOPin *wakeup_pin_;
  WakeupPinMode wakeup_pin_mode_{WAKEUP_PIN_MODE_IGNORE};
@@ -124,8 +151,10 @@ class DeepSleepComponent : public Component {
 #endif

  optional<bool> touch_wakeup_;
+
  optional<WakeupCauseToRunDuration> wakeup_cause_to_run_duration_;
 #endif  // USE_ESP32
+
  optional<uint32_t> run_duration_;
  bool next_enter_deep_sleep_{false};
  bool prevent_{false};
--- a/esphome/components/dht/dht.cpp
+++ b/esphome/components/dht/dht.cpp
@@ -8,17 +8,20 @@ namespace dht {
 static const char *const TAG = "dht";

 void DHT::setup() {
-  this->pin_->digital_write(true);
-  this->pin_->setup();
-  this->pin_->digital_write(true);
+  this->t_pin_->digital_write(true);
+  this->t_pin_->setup();
+#ifdef USE_ESP32
+  this->t_pin_->pin_mode(this->t_pin_->get_flags() | gpio::FLAG_OUTPUT | gpio::FLAG_OPEN_DRAIN);
+#endif
+  this->t_pin_->digital_write(true);
 }

 void DHT::dump_config() {
  ESP_LOGCONFIG(TAG, "DHT:");
-  LOG_PIN("  Pin: ", this->pin_);
+  LOG_PIN("  Pin: ", this->t_pin_);
  ESP_LOGCONFIG(TAG, "  %sModel: %s", this->is_auto_detect_ ? "Auto-detected " : "",
                this->model_ == DHT_MODEL_DHT11 ? "DHT11" : "DHT22 or equivalent");
-  ESP_LOGCONFIG(TAG, "  Internal pull-up: %s", ONOFF(this->pin_->get_flags() & gpio::FLAG_PULLUP));
+  ESP_LOGCONFIG(TAG, "  Internal pull-up: %s", ONOFF(this->t_pin_->get_flags() & gpio::FLAG_PULLUP));
  LOG_UPDATE_INTERVAL(this);
  LOG_SENSOR("  ", "Temperature", this->temperature_sensor_);
  LOG_SENSOR("  ", "Humidity", this->humidity_sensor_);
@@ -72,21 +75,15 @@ bool HOT IRAM_ATTR DHT::read_sensor_(float *temperature, float *humidity, bool r
  int8_t i = 0;
  uint8_t data[5] = {0, 0, 0, 0, 0};

-  this->pin_->digital_write(false);
-  this->pin_->pin_mode(gpio::FLAG_OUTPUT);
-  this->pin_->digital_write(false);
+#ifndef USE_ESP32
+  this->pin_.pin_mode(gpio::FLAG_OUTPUT);
+#endif
+  this->pin_.digital_write(false);

  if (this->model_ == DHT_MODEL_DHT11) {
    delayMicroseconds(18000);
  } else if (this->model_ == DHT_MODEL_SI7021) {
-#ifdef USE_ESP8266
    delayMicroseconds(500);
-    this->pin_->digital_write(true);
-    delayMicroseconds(40);
-#else
-    delayMicroseconds(400);
-    this->pin_->digital_write(true);
-#endif
  } else if (this->model_ == DHT_MODEL_DHT22_TYPE2) {
    delayMicroseconds(2000);
  } else if (this->model_ == DHT_MODEL_AM2120 || this->model_ == DHT_MODEL_AM2302) {
@@ -94,7 +91,12 @@ bool HOT IRAM_ATTR DHT::read_sensor_(float *temperature, float *humidity, bool r
  } else {
    delayMicroseconds(800);
  }
-  this->pin_->pin_mode(this->pin_->get_flags());
+
+#ifdef USE_ESP32
+  this->pin_.digital_write(true);
+#else
+  this->pin_.pin_mode(this->t_pin_->get_flags());
+#endif

  {
    InterruptLock lock;
@@ -110,7 +112,7 @@ bool HOT IRAM_ATTR DHT::read_sensor_(float *temperature, float *humidity, bool r
      uint32_t start_time = micros();

      // Wait for rising edge
-      while (!this->pin_->digital_read()) {
+      while (!this->pin_.digital_read()) {
        if (micros() - start_time > 90) {
          if (i < 0) {
            error_code = 1;  // line didn't clear
@@ -127,7 +129,7 @@ bool HOT IRAM_ATTR DHT::read_sensor_(float *temperature, float *humidity, bool r
      uint32_t end_time = start_time;

      // Wait for falling edge
-      while (this->pin_->digital_read()) {
+      while (this->pin_.digital_read()) {
        end_time = micros();
        if (end_time - start_time > 90) {
          if (i < 0) {
--- a/esphome/components/dht/dht.h
+++ b/esphome/components/dht/dht.h
@@ -38,7 +38,10 @@ class DHT : public PollingComponent {
   */
  void set_dht_model(DHTModel model);

-  void set_pin(InternalGPIOPin *pin) { pin_ = pin; }
+  void set_pin(InternalGPIOPin *pin) {
+    this->t_pin_ = pin;
+    this->pin_ = pin->to_isr();
+  }
  void set_model(DHTModel model) { model_ = model; }
  void set_temperature_sensor(sensor::Sensor *temperature_sensor) { temperature_sensor_ = temperature_sensor; }
  void set_humidity_sensor(sensor::Sensor *humidity_sensor) { humidity_sensor_ = humidity_sensor; }
@@ -54,7 +57,8 @@ class DHT : public PollingComponent {
 protected:
  bool read_sensor_(float *temperature, float *humidity, bool report_errors);

-  InternalGPIOPin *pin_;
+  InternalGPIOPin *t_pin_;
+  ISRInternalGPIOPin pin_;
  DHTModel model_{DHT_MODEL_AUTO_DETECT};
  bool is_auto_detect_{false};
  sensor::Sensor *temperature_sensor_{nullptr};
--- a/esphome/components/display_menu_base/menu_item.cpp
+++ b/esphome/components/display_menu_base/menu_item.cpp
@@ -54,6 +54,7 @@ bool MenuItemSelect::select_next() {

  if (this->select_var_ != nullptr) {
    this->select_var_->make_call().select_next(true).perform();
+    this->on_value_();
    changed = true;
  }

@@ -65,6 +66,7 @@ bool MenuItemSelect::select_prev() {

  if (this->select_var_ != nullptr) {
    this->select_var_->make_call().select_previous(true).perform();
+    this->on_value_();
    changed = true;
  }

--- a/esphome/components/esp32/init.py
+++ b/esphome/components/esp32/init.py
@@ -4,6 +4,7 @@ import itertools
 import logging
 import os
 from pathlib import Path
+import re

 from esphome import yaml_util
 import esphome.codegen as cg
@@ -12,6 +13,7 @@ from esphome.const import (
    CONF_ADVANCED,
    CONF_BOARD,
    CONF_COMPONENTS,
+    CONF_DISABLED,
    CONF_ESPHOME,
    CONF_FRAMEWORK,
    CONF_IGNORE_EFUSE_CUSTOM_MAC,
@@ -23,6 +25,7 @@ from esphome.const import (
    CONF_PLATFORMIO_OPTIONS,
    CONF_REF,
    CONF_REFRESH,
+    CONF_SAFE_MODE,
    CONF_SOURCE,
    CONF_TYPE,
    CONF_VARIANT,
@@ -80,6 +83,7 @@ CONF_ASSERTION_LEVEL = "assertion_level"
 CONF_COMPILER_OPTIMIZATION = "compiler_optimization"
 CONF_ENABLE_IDF_EXPERIMENTAL_FEATURES = "enable_idf_experimental_features"
 CONF_ENABLE_LWIP_ASSERT = "enable_lwip_assert"
+CONF_ENABLE_OTA_ROLLBACK = "enable_ota_rollback"
 CONF_EXECUTE_FROM_PSRAM = "execute_from_psram"
 CONF_RELEASE = "release"

@@ -117,8 +121,8 @@ ARDUINO_ALLOWED_VARIANTS = [
 ]


-def get_cpu_frequencies(*frequencies):
-    return [str(x) + "MHZ" for x in frequencies]
+def get_cpu_frequencies(*frequencies: int) -> list[str]:
+    return [f"{frequency}MHZ" for frequency in frequencies]


 CPU_FREQUENCIES = {
@@ -135,7 +139,7 @@ CPU_FREQUENCIES = {
 }

 # Make sure not missed here if a new variant added.
-assert all(v in CPU_FREQUENCIES for v in VARIANTS)
+assert all(variant in CPU_FREQUENCIES for variant in VARIANTS)

 FULL_CPU_FREQUENCIES = set(itertools.chain.from_iterable(CPU_FREQUENCIES.values()))

@@ -249,10 +253,10 @@ def add_idf_sdkconfig_option(name: str, value: SdkconfigValueType):
 def add_idf_component(
    *,
    name: str,
-    repo: str = None,
-    ref: str = None,
-    path: str = None,
-    refresh: TimePeriod = None,
+    repo: str | None = None,
+    ref: str | None = None,
+    path: str | None = None,
+    refresh: TimePeriod | None = None,
    components: list[str] | None = None,
    submodules: list[str] | None = None,
 ):
@@ -333,7 +337,7 @@ def _format_framework_espidf_version(ver: cv.Version, release: str) -> str:
    return f"pioarduino/framework-espidf@https://github.com/pioarduino/esp-idf/releases/download/v{str(ver)}/esp-idf-v{str(ver)}.{ext}"


-def _is_framework_url(source: str) -> str:
+def _is_framework_url(source: str) -> bool:
    # platformio accepts many URL schemes for framework repositories and archives including http, https, git, file, and symlink
    import urllib.parse

@@ -353,11 +357,12 @@ def _is_framework_url(source: str) -> str:
 # The default/recommended arduino framework version
 #  - https://github.com/espressif/arduino-esp32/releases
 ARDUINO_FRAMEWORK_VERSION_LOOKUP = {
-    "recommended": cv.Version(3, 3, 2),
-    "latest": cv.Version(3, 3, 4),
-    "dev": cv.Version(3, 3, 4),
+    "recommended": cv.Version(3, 3, 5),
+    "latest": cv.Version(3, 3, 5),
+    "dev": cv.Version(3, 3, 5),
 }
 ARDUINO_PLATFORM_VERSION_LOOKUP = {
+    cv.Version(3, 3, 5): cv.Version(55, 3, 35),
    cv.Version(3, 3, 4): cv.Version(55, 3, 31, "2"),
    cv.Version(3, 3, 3): cv.Version(55, 3, 31, "2"),
    cv.Version(3, 3, 2): cv.Version(55, 3, 31, "2"),
@@ -370,15 +375,33 @@ ARDUINO_PLATFORM_VERSION_LOOKUP = {
    cv.Version(3, 1, 1): cv.Version(53, 3, 11),
    cv.Version(3, 1, 0): cv.Version(53, 3, 10),
 }
+# Maps Arduino framework versions to a compatible ESP-IDF version
+# These versions correspond to pioarduino/esp-idf releases
+# See: https://github.com/pioarduino/esp-idf/releases
+ARDUINO_IDF_VERSION_LOOKUP = {
+    cv.Version(3, 3, 5): cv.Version(5, 5, 2),
+    cv.Version(3, 3, 4): cv.Version(5, 5, 1),
+    cv.Version(3, 3, 3): cv.Version(5, 5, 1),
+    cv.Version(3, 3, 2): cv.Version(5, 5, 1),
+    cv.Version(3, 3, 1): cv.Version(5, 5, 1),
+    cv.Version(3, 3, 0): cv.Version(5, 5, 0),
+    cv.Version(3, 2, 1): cv.Version(5, 4, 2),
+    cv.Version(3, 2, 0): cv.Version(5, 4, 2),
+    cv.Version(3, 1, 3): cv.Version(5, 3, 2),
+    cv.Version(3, 1, 2): cv.Version(5, 3, 2),
+    cv.Version(3, 1, 1): cv.Version(5, 3, 1),
+    cv.Version(3, 1, 0): cv.Version(5, 3, 0),
+}

 # The default/recommended esp-idf framework version
 #  - https://github.com/espressif/esp-idf/releases
 ESP_IDF_FRAMEWORK_VERSION_LOOKUP = {
-    "recommended": cv.Version(5, 5, 1),
-    "latest": cv.Version(5, 5, 1),
-    "dev": cv.Version(5, 5, 1),
+    "recommended": cv.Version(5, 5, 2),
+    "latest": cv.Version(5, 5, 2),
+    "dev": cv.Version(5, 5, 2),
 }
 ESP_IDF_PLATFORM_VERSION_LOOKUP = {
+    cv.Version(5, 5, 2): cv.Version(55, 3, 35),
    cv.Version(5, 5, 1): cv.Version(55, 3, 31, "2"),
    cv.Version(5, 5, 0): cv.Version(55, 3, 31, "2"),
    cv.Version(5, 4, 3): cv.Version(55, 3, 32),
@@ -395,9 +418,9 @@ ESP_IDF_PLATFORM_VERSION_LOOKUP = {
 # The platform-espressif32 version
 #  - https://github.com/pioarduino/platform-espressif32/releases
 PLATFORM_VERSION_LOOKUP = {
-    "recommended": cv.Version(55, 3, 31, "2"),
-    "latest": cv.Version(55, 3, 31, "2"),
-    "dev": cv.Version(55, 3, 31, "2"),
+    "recommended": cv.Version(55, 3, 35),
+    "latest": cv.Version(55, 3, 35),
+    "dev": cv.Version(55, 3, 35),
 }


@@ -570,6 +593,13 @@ def final_validate(config):
                path=[CONF_FLASH_SIZE],
            )
        )
+    if advanced[CONF_ENABLE_OTA_ROLLBACK]:
+        safe_mode_config = full_config.get(CONF_SAFE_MODE)
+        if safe_mode_config is None or safe_mode_config.get(CONF_DISABLED, False):
+            _LOGGER.warning(
+                "OTA rollback requires safe_mode, disabling rollback support"
+            )
+            advanced[CONF_ENABLE_OTA_ROLLBACK] = False
    if errs:
        raise cv.MultipleInvalid(errs)

@@ -616,10 +646,13 @@ def require_vfs_dir() -> None:

 def _parse_idf_component(value: str) -> ConfigType:
    """Parse IDF component shorthand syntax like 'owner/component^version'"""
-    if "^" not in value:
-        raise cv.Invalid(f"Invalid IDF component shorthand '{value}'")
-    name, ref = value.split("^", 1)
-    return {CONF_NAME: name, CONF_REF: ref}
+    # Match operator followed by version-like string (digit or *)
+    if match := re.search(r"(~=|>=|<=|==|!=|>|<|\^|~)(\d|\*)", value):
+        return {CONF_NAME: value[: match.start()], CONF_REF: value[match.start() :]}
+    raise cv.Invalid(
+        f"Invalid IDF component shorthand '{value}'. "
+        f"Expected format: 'owner/component<op>version' where <op> is one of: ^, ~, ~=, ==, !=, >=, >, <=, <"
+    )


 def _validate_idf_component(config: ConfigType) -> ConfigType:
@@ -687,6 +720,7 @@ FRAMEWORK_SCHEMA = cv.Schema(
                cv.Optional(CONF_LOOP_TASK_STACK_SIZE, default=8192): cv.int_range(
                    min=8192, max=32768
                ),
+                cv.Optional(CONF_ENABLE_OTA_ROLLBACK, default=True): cv.boolean,
            }
        ),
        cv.Optional(CONF_COMPONENTS, default=[]): cv.ensure_list(
@@ -712,12 +746,14 @@ FRAMEWORK_SCHEMA = cv.Schema(
 )


+# Remove this class in 2026.7.0
 class _FrameworkMigrationWarning:
    shown = False


 def _show_framework_migration_message(name: str, variant: str) -> None:
-    """Show a friendly message about framework migration when defaulting to Arduino."""
+    """Show a message about the framework default change and how to switch back to Arduino."""
+    # Remove this function in 2026.7.0
    if _FrameworkMigrationWarning.shown:
        return
    _FrameworkMigrationWarning.shown = True
@@ -727,41 +763,27 @@ def _show_framework_migration_message(name: str, variant: str) -> None:
    message = (
        color(
            AnsiFore.BOLD_CYAN,
-            f"💡 IMPORTANT: {name} doesn't have a framework specified!",
+            f"💡 NOTICE: {name} does not have a framework specified.",
        )
        + "\n\n"
-        + f"Currently, {variant} defaults to the Arduino framework.\n"
-        + color(AnsiFore.YELLOW, "This will change to ESP-IDF in ESPHome 2026.1.0.\n")
+        + f"Starting with ESPHome 2026.1.0, the default framework for {variant} is ESP-IDF.\n"
+        + "(We've been warning about this change since ESPHome 2025.8.0)\n"
        + "\n"
-        + "Note: Newer ESP32 variants (C6, H2, P4, etc.) already use ESP-IDF by default.\n"
-        + "\n"
-        + "Why change? ESP-IDF offers:\n"
-        + color(AnsiFore.GREEN, "  ✨ Up to 40% smaller binaries\n")
-        + color(AnsiFore.GREEN, "  🚀 Better performance and optimization\n")
+        + "Why we made this change:\n"
+        + color(AnsiFore.GREEN, "  ✨ Up to 40% smaller firmware binaries\n")
        + color(AnsiFore.GREEN, "  ⚡ 2-3x faster compile times\n")
-        + color(AnsiFore.GREEN, "  📦 Custom-built firmware for your exact needs\n")
-        + color(
-            AnsiFore.GREEN,
-            "  🔧 Active development and testing by ESPHome developers\n",
-        )
+        + color(AnsiFore.GREEN, "  🚀 Better performance and newer features\n")
+        + color(AnsiFore.GREEN, "  🔧 More actively maintained by ESPHome\n")
        + "\n"
-        + "Trade-offs:\n"
-        + color(AnsiFore.YELLOW, "  🔄 Some components need migration\n")
+        + "To continue using Arduino, add this to your YAML under 'esp32:':\n"
+        + color(AnsiFore.WHITE, "    framework:\n")
+        + color(AnsiFore.WHITE, "      type: arduino\n")
        + "\n"
-        + "What should I do?\n"
-        + color(AnsiFore.CYAN, "  Option 1")
-        + ": Migrate to ESP-IDF (recommended)\n"
-        + "    Add this to your YAML under 'esp32:':\n"
-        + color(AnsiFore.WHITE, "      framework:\n")
-        + color(AnsiFore.WHITE, "        type: esp-idf\n")
+        + "To silence this message with ESP-IDF, explicitly set:\n"
+        + color(AnsiFore.WHITE, "    framework:\n")
+        + color(AnsiFore.WHITE, "      type: esp-idf\n")
        + "\n"
-        + color(AnsiFore.CYAN, "  Option 2")
-        + ": Keep using Arduino (still supported)\n"
-        + "    Add this to your YAML under 'esp32:':\n"
-        + color(AnsiFore.WHITE, "      framework:\n")
-        + color(AnsiFore.WHITE, "        type: arduino\n")
-        + "\n"
-        + "Need help? Check out the migration guide:\n"
+        + "Migration guide: "
        + color(
            AnsiFore.BLUE,
            "https://esphome.io/guides/esp32_arduino_to_idf/",
@@ -776,13 +798,13 @@ def _set_default_framework(config):
        config[CONF_FRAMEWORK] = FRAMEWORK_SCHEMA({})
    if CONF_TYPE not in config[CONF_FRAMEWORK]:
        variant = config[CONF_VARIANT]
+        config[CONF_FRAMEWORK][CONF_TYPE] = FRAMEWORK_ESP_IDF
+        # Show migration message for variants that previously defaulted to Arduino
+        # Remove this message in 2026.7.0
        if variant in ARDUINO_ALLOWED_VARIANTS:
-            config[CONF_FRAMEWORK][CONF_TYPE] = FRAMEWORK_ARDUINO
            _show_framework_migration_message(
                config.get(CONF_NAME, "This device"), variant
            )
-        else:
-            config[CONF_FRAMEWORK][CONF_TYPE] = FRAMEWORK_ESP_IDF

    return config

@@ -967,29 +989,21 @@ async def to_code(config):
        cg.add_platformio_option("framework", "arduino, espidf")
        cg.add_build_flag("-DUSE_ARDUINO")
        cg.add_build_flag("-DUSE_ESP32_FRAMEWORK_ARDUINO")
-        cg.add_platformio_option(
-            "board_build.embed_txtfiles",
-            [
-                "managed_components/espressif__esp_insights/server_certs/https_server.crt",
-                "managed_components/espressif__esp_rainmaker/server_certs/rmaker_mqtt_server.crt",
-                "managed_components/espressif__esp_rainmaker/server_certs/rmaker_claim_service_server.crt",
-                "managed_components/espressif__esp_rainmaker/server_certs/rmaker_ota_server.crt",
-            ],
-        )
        cg.add_define(
            "USE_ARDUINO_VERSION_CODE",
            cg.RawExpression(
                f"VERSION_CODE({framework_ver.major}, {framework_ver.minor}, {framework_ver.patch})"
            ),
        )
-        add_idf_sdkconfig_option(
-            "CONFIG_ARDUINO_LOOP_STACK_SIZE",
-            conf[CONF_ADVANCED][CONF_LOOP_TASK_STACK_SIZE],
-        )
-        add_idf_sdkconfig_option("CONFIG_AUTOSTART_ARDUINO", True)
        add_idf_sdkconfig_option("CONFIG_MBEDTLS_PSK_MODES", True)
        add_idf_sdkconfig_option("CONFIG_MBEDTLS_CERTIFICATE_BUNDLE", True)
-        add_idf_sdkconfig_option("CONFIG_ESP_PHY_REDUCE_TX_POWER", True)
+
+        # Add IDF framework source for Arduino builds to ensure it uses the same version as
+        # the ESP-IDF framework
+        if (idf_ver := ARDUINO_IDF_VERSION_LOOKUP.get(framework_ver)) is not None:
+            cg.add_platformio_option(
+                "platform_packages", [_format_framework_espidf_version(idf_ver, None)]
+            )

        # ESP32-S2 Arduino: Disable USB Serial on boot to avoid TinyUSB dependency
        if get_esp32_variant() == VARIANT_ESP32S2:
@@ -1160,6 +1174,11 @@ async def to_code(config):
                "CONFIG_BOOTLOADER_CACHE_32BIT_ADDR_QUAD_FLASH", True
            )

+    # Enable OTA rollback support
+    if advanced[CONF_ENABLE_OTA_ROLLBACK]:
+        add_idf_sdkconfig_option("CONFIG_BOOTLOADER_APP_ROLLBACK_ENABLE", True)
+        cg.add_define("USE_OTA_ROLLBACK")
+
    cg.add_define("ESPHOME_LOOP_TASK_STACK_SIZE", advanced[CONF_LOOP_TASK_STACK_SIZE])

    cg.add_define(
@@ -1189,7 +1208,7 @@ APP_PARTITION_SIZES = {
 }


-def get_arduino_partition_csv(flash_size):
+def get_arduino_partition_csv(flash_size: str):
    app_partition_size = APP_PARTITION_SIZES[flash_size]
    eeprom_partition_size = 0x1000  # 4 KB
    spiffs_partition_size = 0xF000  # 60 KB
@@ -1209,7 +1228,7 @@ spiffs,   data, spiffs,  0x{spiffs_partition_start:X}, 0x{spiffs_partition_size:
 """


-def get_idf_partition_csv(flash_size):
+def get_idf_partition_csv(flash_size: str):
    app_partition_size = APP_PARTITION_SIZES[flash_size]

    return f"""\
--- a/esphome/components/esp32/boards.py
+++ b/esphome/components/esp32/boards.py
@@ -1488,6 +1488,10 @@ BOARDS = {
        "name": "Arduino Nano ESP32",
        "variant": VARIANT_ESP32S3,
    },
+    "arduino_nesso_n1": {
+        "name": "Arduino Nesso-N1",
+        "variant": VARIANT_ESP32C6,
+    },
    "atd147_s3": {
        "name": "ArtronShop ATD1.47-S3",
        "variant": VARIANT_ESP32S3,
@@ -1656,6 +1660,10 @@ BOARDS = {
        "name": "Espressif ESP32-C6-DevKitM-1",
        "variant": VARIANT_ESP32C6,
    },
+    "esp32-c61-devkitc1-n8r2": {
+        "name": "Espressif ESP32-C61-DevKitC-1 N8R2 (8 MB Flash Quad, 2 MB PSRAM Quad)",
+        "variant": VARIANT_ESP32C61,
+    },
    "esp32-devkitlipo": {
        "name": "OLIMEX ESP32-DevKit-LiPo",
        "variant": VARIANT_ESP32,
@@ -1673,11 +1681,15 @@ BOARDS = {
        "variant": VARIANT_ESP32H2,
    },
    "esp32-p4": {
-        "name": "Espressif ESP32-P4 generic",
+        "name": "Espressif ESP32-P4 ES (pre rev.300) generic",
        "variant": VARIANT_ESP32P4,
    },
    "esp32-p4-evboard": {
-        "name": "Espressif ESP32-P4 Function EV Board",
+        "name": "Espressif ESP32-P4 Function EV Board (ES pre rev.300)",
+        "variant": VARIANT_ESP32P4,
+    },
+    "esp32-p4_r3": {
+        "name": "Espressif ESP32-P4 rev.300 generic",
        "variant": VARIANT_ESP32P4,
    },
    "esp32-pico-devkitm-2": {
@@ -2093,7 +2105,7 @@ BOARDS = {
        "variant": VARIANT_ESP32,
    },
    "m5stack-tab5-p4": {
-        "name": "M5STACK Tab5 esp32-p4 Board",
+        "name": "M5STACK Tab5 esp32-p4 Board (ES pre rev.300)",
        "variant": VARIANT_ESP32P4,
    },
    "m5stack-timer-cam": {
--- a/esphome/components/esp32/core.cpp
+++ b/esphome/components/esp32/core.cpp
@@ -4,25 +4,20 @@
 #include "esphome/core/hal.h"
 #include "esphome/core/helpers.h"
 #include "preferences.h"
-#include <freertos/FreeRTOS.h>
-#include <freertos/task.h>
+#include <esp_clk_tree.h>
+#include <esp_cpu.h>
 #include <esp_idf_version.h>
 #include <esp_ota_ops.h>
 #include <esp_task_wdt.h>
 #include <esp_timer.h>
-#include <soc/rtc.h>
+#include <freertos/FreeRTOS.h>
+#include <freertos/task.h>

-#include <hal/cpu_hal.h>
+void setup();  // NOLINT(readability-redundant-declaration)
+void loop();   // NOLINT(readability-redundant-declaration)

-#ifdef USE_ARDUINO
-#include <Esp.h>
-#else
-#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 1, 0)
-#include <esp_clk_tree.h>
-#endif
-void setup();
-void loop();
-#endif
+// Weak stub for initArduino - overridden when the Arduino component is present
+extern "C" __attribute__((weak)) void initArduino() {}

 namespace esphome {

@@ -41,29 +36,13 @@ void arch_restart() {

 void arch_init() {
  // Enable the task watchdog only on the loop task (from which we're currently running)
-#if defined(USE_ESP_IDF)
  esp_task_wdt_add(nullptr);
-  // Idle task watchdog is disabled on ESP-IDF
-#elif defined(USE_ARDUINO)
-  enableLoopWDT();
-  // Disable idle task watchdog on the core we're using (Arduino pins the task to a core)
-#if defined(CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU0) && CONFIG_ARDUINO_RUNNING_CORE == 0
-  disableCore0WDT();
-#endif
-#if defined(CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU1) && CONFIG_ARDUINO_RUNNING_CORE == 1
-  disableCore1WDT();
-#endif
-#endif

-  // If the bootloader was compiled with CONFIG_BOOTLOADER_APP_ROLLBACK_ENABLE the current
-  // partition will get rolled back unless it is marked as valid.
-  esp_ota_img_states_t state;
-  const esp_partition_t *running = esp_ota_get_running_partition();
-  if (esp_ota_get_state_partition(running, &state) == ESP_OK) {
-    if (state == ESP_OTA_IMG_PENDING_VERIFY) {
-      esp_ota_mark_app_valid_cancel_rollback();
-    }
-  }
+  // Handle OTA rollback: mark partition valid immediately unless USE_OTA_ROLLBACK is enabled,
+  // in which case safe_mode will mark it valid after confirming successful boot.
+#ifndef USE_OTA_ROLLBACK
+  esp_ota_mark_app_valid_cancel_rollback();
+#endif
 }
 void IRAM_ATTR HOT arch_feed_wdt() { esp_task_wdt_reset(); }

@@ -71,21 +50,10 @@ uint8_t progmem_read_byte(const uint8_t *addr) { return *addr; }
 uint32_t arch_get_cpu_cycle_count() { return esp_cpu_get_cycle_count(); }
 uint32_t arch_get_cpu_freq_hz() {
  uint32_t freq = 0;
-#ifdef USE_ESP_IDF
-#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 1, 0)
  esp_clk_tree_src_get_freq_hz(SOC_MOD_CLK_CPU, ESP_CLK_TREE_SRC_FREQ_PRECISION_CACHED, &freq);
-#else
-  rtc_cpu_freq_config_t config;
-  rtc_clk_cpu_freq_get_config(&config);
-  freq = config.freq_mhz * 1000000U;
-#endif
-#elif defined(USE_ARDUINO)
-  freq = ESP.getCpuFreqMHz() * 1000000;
-#endif
  return freq;
 }

-#ifdef USE_ESP_IDF
 TaskHandle_t loop_task_handle = nullptr;  // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)

 void loop_task(void *pv_params) {
@@ -96,6 +64,7 @@ void loop_task(void *pv_params) {
 }

 extern "C" void app_main() {
+  initArduino();
  esp32::setup_preferences();
 #if CONFIG_FREERTOS_UNICORE
  xTaskCreate(loop_task, "loopTask", ESPHOME_LOOP_TASK_STACK_SIZE, nullptr, 1, &loop_task_handle);
@@ -103,11 +72,6 @@ extern "C" void app_main() {
  xTaskCreatePinnedToCore(loop_task, "loopTask", ESPHOME_LOOP_TASK_STACK_SIZE, nullptr, 1, &loop_task_handle, 1);
 #endif
 }
-#endif  // USE_ESP_IDF
-
-#ifdef USE_ARDUINO
-extern "C" void init() { esp32::setup_preferences(); }
-#endif  // USE_ARDUINO

 }  // namespace esphome

--- a/esphome/components/esp32/post_build.py.script
+++ b/esphome/components/esp32/post_build.py.script
@@ -5,6 +5,7 @@ import json  # noqa: E402
 import os  # noqa: E402
 import pathlib  # noqa: E402
 import shutil  # noqa: E402
+from glob import glob  # noqa: E402


 def merge_factory_bin(source, target, env):
@@ -126,3 +127,14 @@ def esp32_copy_ota_bin(source, target, env):
 # Run merge first, then ota copy second
 env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", merge_factory_bin)  # noqa: F821
 env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", esp32_copy_ota_bin)  # noqa: F821
+
+# Find server certificates in managed components and generate .S files.
+# Workaround for PlatformIO not processing target_add_binary_data() from managed component CMakeLists.
+project_dir = env.subst("$PROJECT_DIR")
+managed_components = os.path.join(project_dir, "managed_components")
+if os.path.isdir(managed_components):
+    for cert_file in glob(os.path.join(managed_components, "**/server_certs/*.crt"), recursive=True):
+        try:
+            env.FileToAsm(cert_file, FILE_TYPE="TEXT")
+        except Exception as e:
+            print(f"Error processing {os.path.basename(cert_file)}: {e}")
--- a/esphome/components/esp32/preferences.cpp
+++ b/esphome/components/esp32/preferences.cpp
@@ -4,26 +4,28 @@
 #include "esphome/core/log.h"
 #include "esphome/core/preferences.h"
 #include <nvs_flash.h>
-#include <cstring>
 #include <cinttypes>
-#include <vector>
-#include <string>
+#include <cstring>
 #include <memory>
+#include <vector>

 namespace esphome {
 namespace esp32 {

 static const char *const TAG = "esp32.preferences";

+// Buffer size for converting uint32_t to string: max "4294967295" (10 chars) + null terminator + 1 padding
+static constexpr size_t KEY_BUFFER_SIZE = 12;
+
 struct NVSData {
-  std::string key;
+  uint32_t key;
  std::unique_ptr<uint8_t[]> data;
  size_t len;

  void set_data(const uint8_t *src, size_t size) {
-    data = std::make_unique<uint8_t[]>(size);
-    memcpy(data.get(), src, size);
-    len = size;
+    this->data = std::make_unique<uint8_t[]>(size);
+    memcpy(this->data.get(), src, size);
+    this->len = size;
  }
 };

@@ -31,27 +33,27 @@ static std::vector<NVSData> s_pending_save;  // NOLINT(cppcoreguidelines-avoid-n

 class ESP32PreferenceBackend : public ESPPreferenceBackend {
 public:
-  std::string key;
+  uint32_t key;
  uint32_t nvs_handle;
  bool save(const uint8_t *data, size_t len) override {
    // try find in pending saves and update that
    for (auto &obj : s_pending_save) {
-      if (obj.key == key) {
+      if (obj.key == this->key) {
        obj.set_data(data, len);
        return true;
      }
    }
    NVSData save{};
-    save.key = key;
+    save.key = this->key;
    save.set_data(data, len);
    s_pending_save.emplace_back(std::move(save));
-    ESP_LOGVV(TAG, "s_pending_save: key: %s, len: %zu", key.c_str(), len);
+    ESP_LOGVV(TAG, "s_pending_save: key: %" PRIu32 ", len: %zu", this->key, len);
    return true;
  }
  bool load(uint8_t *data, size_t len) override {
    // try find in pending saves and load from that
    for (auto &obj : s_pending_save) {
-      if (obj.key == key) {
+      if (obj.key == this->key) {
        if (obj.len != len) {
          // size mismatch
          return false;
@@ -61,22 +63,24 @@ class ESP32PreferenceBackend : public ESPPreferenceBackend {
      }
    }

+    char key_str[KEY_BUFFER_SIZE];
+    snprintf(key_str, sizeof(key_str), "%" PRIu32, this->key);
    size_t actual_len;
-    esp_err_t err = nvs_get_blob(nvs_handle, key.c_str(), nullptr, &actual_len);
+    esp_err_t err = nvs_get_blob(this->nvs_handle, key_str, nullptr, &actual_len);
    if (err != 0) {
-      ESP_LOGV(TAG, "nvs_get_blob('%s'): %s - the key might not be set yet", key.c_str(), esp_err_to_name(err));
+      ESP_LOGV(TAG, "nvs_get_blob('%s'): %s - the key might not be set yet", key_str, esp_err_to_name(err));
      return false;
    }
    if (actual_len != len) {
      ESP_LOGVV(TAG, "NVS length does not match (%zu!=%zu)", actual_len, len);
      return false;
    }
-    err = nvs_get_blob(nvs_handle, key.c_str(), data, &len);
+    err = nvs_get_blob(this->nvs_handle, key_str, data, &len);
    if (err != 0) {
-      ESP_LOGV(TAG, "nvs_get_blob('%s') failed: %s", key.c_str(), esp_err_to_name(err));
+      ESP_LOGV(TAG, "nvs_get_blob('%s') failed: %s", key_str, esp_err_to_name(err));
      return false;
    } else {
-      ESP_LOGVV(TAG, "nvs_get_blob: key: %s, len: %zu", key.c_str(), len);
+      ESP_LOGVV(TAG, "nvs_get_blob: key: %s, len: %zu", key_str, len);
    }
    return true;
  }
@@ -103,14 +107,12 @@ class ESP32Preferences : public ESPPreferences {
    }
  }
  ESPPreferenceObject make_preference(size_t length, uint32_t type, bool in_flash) override {
-    return make_preference(length, type);
+    return this->make_preference(length, type);
  }
  ESPPreferenceObject make_preference(size_t length, uint32_t type) override {
    auto *pref = new ESP32PreferenceBackend();  // NOLINT(cppcoreguidelines-owning-memory)
-    pref->nvs_handle = nvs_handle;
-
-    uint32_t keyval = type;
-    pref->key = str_sprintf("%" PRIu32, keyval);
+    pref->nvs_handle = this->nvs_handle;
+    pref->key = type;

    return ESPPreferenceObject(pref);
  }
@@ -123,17 +125,19 @@ class ESP32Preferences : public ESPPreferences {
    // goal try write all pending saves even if one fails
    int cached = 0, written = 0, failed = 0;
    esp_err_t last_err = ESP_OK;
-    std::string last_key{};
+    uint32_t last_key = 0;

    // go through vector from back to front (makes erase easier/more efficient)
    for (ssize_t i = s_pending_save.size() - 1; i >= 0; i--) {
      const auto &save = s_pending_save[i];
-      ESP_LOGVV(TAG, "Checking if NVS data %s has changed", save.key.c_str());
-      if (is_changed(nvs_handle, save)) {
-        esp_err_t err = nvs_set_blob(nvs_handle, save.key.c_str(), save.data.get(), save.len);
-        ESP_LOGV(TAG, "sync: key: %s, len: %zu", save.key.c_str(), save.len);
+      char key_str[KEY_BUFFER_SIZE];
+      snprintf(key_str, sizeof(key_str), "%" PRIu32, save.key);
+      ESP_LOGVV(TAG, "Checking if NVS data %s has changed", key_str);
+      if (this->is_changed_(this->nvs_handle, save, key_str)) {
+        esp_err_t err = nvs_set_blob(this->nvs_handle, key_str, save.data.get(), save.len);
+        ESP_LOGV(TAG, "sync: key: %s, len: %zu", key_str, save.len);
        if (err != 0) {
-          ESP_LOGV(TAG, "nvs_set_blob('%s', len=%zu) failed: %s", save.key.c_str(), save.len, esp_err_to_name(err));
+          ESP_LOGV(TAG, "nvs_set_blob('%s', len=%zu) failed: %s", key_str, save.len, esp_err_to_name(err));
          failed++;
          last_err = err;
          last_key = save.key;
@@ -141,7 +145,7 @@ class ESP32Preferences : public ESPPreferences {
        }
        written++;
      } else {
-        ESP_LOGV(TAG, "NVS data not changed skipping %s  len=%zu", save.key.c_str(), save.len);
+        ESP_LOGV(TAG, "NVS data not changed skipping %" PRIu32 "  len=%zu", save.key, save.len);
        cached++;
      }
      s_pending_save.erase(s_pending_save.begin() + i);
@@ -149,12 +153,12 @@ class ESP32Preferences : public ESPPreferences {
    ESP_LOGD(TAG, "Writing %d items: %d cached, %d written, %d failed", cached + written + failed, cached, written,
             failed);
    if (failed > 0) {
-      ESP_LOGE(TAG, "Writing %d items failed. Last error=%s for key=%s", failed, esp_err_to_name(last_err),
-               last_key.c_str());
+      ESP_LOGE(TAG, "Writing %d items failed. Last error=%s for key=%" PRIu32, failed, esp_err_to_name(last_err),
+               last_key);
    }

    // note: commit on esp-idf currently is a no-op, nvs_set_blob always writes
-    esp_err_t err = nvs_commit(nvs_handle);
+    esp_err_t err = nvs_commit(this->nvs_handle);
    if (err != 0) {
      ESP_LOGV(TAG, "nvs_commit() failed: %s", esp_err_to_name(err));
      return false;
@@ -162,11 +166,13 @@ class ESP32Preferences : public ESPPreferences {

    return failed == 0;
  }
-  bool is_changed(const uint32_t nvs_handle, const NVSData &to_save) {
+
+ protected:
+  bool is_changed_(uint32_t nvs_handle, const NVSData &to_save, const char *key_str) {
    size_t actual_len;
-    esp_err_t err = nvs_get_blob(nvs_handle, to_save.key.c_str(), nullptr, &actual_len);
+    esp_err_t err = nvs_get_blob(nvs_handle, key_str, nullptr, &actual_len);
    if (err != 0) {
-      ESP_LOGV(TAG, "nvs_get_blob('%s'): %s - the key might not be set yet", to_save.key.c_str(), esp_err_to_name(err));
+      ESP_LOGV(TAG, "nvs_get_blob('%s'): %s - the key might not be set yet", key_str, esp_err_to_name(err));
      return true;
    }
    // Check size first before allocating memory
@@ -174,9 +180,9 @@ class ESP32Preferences : public ESPPreferences {
      return true;
    }
    auto stored_data = std::make_unique<uint8_t[]>(actual_len);
-    err = nvs_get_blob(nvs_handle, to_save.key.c_str(), stored_data.get(), &actual_len);
+    err = nvs_get_blob(nvs_handle, key_str, stored_data.get(), &actual_len);
    if (err != 0) {
-      ESP_LOGV(TAG, "nvs_get_blob('%s') failed: %s", to_save.key.c_str(), esp_err_to_name(err));
+      ESP_LOGV(TAG, "nvs_get_blob('%s') failed: %s", key_str, esp_err_to_name(err));
      return true;
    }
    return memcmp(to_save.data.get(), stored_data.get(), to_save.len) != 0;
--- a/esphome/components/esp32_ble/ble.cpp
+++ b/esphome/components/esp32_ble/ble.cpp
@@ -24,7 +24,9 @@ extern "C" {
 #include <nvs_flash.h>

 #ifdef USE_ARDUINO
-#include <esp32-hal-bt.h>
+// Prevent Arduino from releasing BT memory at startup (esp32-hal-misc.c).
+// Without this, esp_bt_controller_init() fails with ESP_ERR_INVALID_STATE.
+extern "C" bool btInUse() { return true; }  // NOLINT(readability-identifier-naming)
 #endif

 namespace esphome::esp32_ble {
@@ -165,12 +167,6 @@ void ESP32BLE::advertising_init_() {
 bool ESP32BLE::ble_setup_() {
  esp_err_t err;
 #ifndef CONFIG_ESP_HOSTED_ENABLE_BT_BLUEDROID
-#ifdef USE_ARDUINO
-  if (!btStart()) {
-    ESP_LOGE(TAG, "btStart failed: %d", esp_bt_controller_get_status());
-    return false;
-  }
-#else
  if (esp_bt_controller_get_status() != ESP_BT_CONTROLLER_STATUS_ENABLED) {
    // start bt controller
    if (esp_bt_controller_get_status() == ESP_BT_CONTROLLER_STATUS_IDLE) {
@@ -195,7 +191,6 @@ bool ESP32BLE::ble_setup_() {
      return false;
    }
  }
-#endif

  esp_bt_controller_mem_release(ESP_BT_MODE_CLASSIC_BT);
 #else
@@ -256,8 +251,11 @@ bool ESP32BLE::ble_setup_() {
  }
 #endif

+  // BLE device names are limited to 20 characters
+  // Buffer: 20 chars + null terminator
+  constexpr size_t ble_name_max_len = 21;
+  char name_buffer[ble_name_max_len];
  const char *device_name;
-  std::string name_with_suffix;

  if (this->name_ != nullptr) {
    if (App.is_name_add_mac_suffix_enabled()) {
@@ -268,23 +266,28 @@ bool ESP32BLE::ble_setup_() {
      char mac_addr[mac_address_len];
      get_mac_address_into_buffer(mac_addr);
      const char *mac_suffix_ptr = mac_addr + mac_address_suffix_len;
-      name_with_suffix =
-          make_name_with_suffix(this->name_, strlen(this->name_), '-', mac_suffix_ptr, mac_address_suffix_len);
-      device_name = name_with_suffix.c_str();
+      make_name_with_suffix_to(name_buffer, sizeof(name_buffer), this->name_, strlen(this->name_), '-', mac_suffix_ptr,
+                               mac_address_suffix_len);
+      device_name = name_buffer;
    } else {
      device_name = this->name_;
    }
  } else {
-    name_with_suffix = App.get_name();
-    if (name_with_suffix.length() > 20) {
+    const std::string &app_name = App.get_name();
+    size_t name_len = app_name.length();
+    if (name_len > 20) {
      if (App.is_name_add_mac_suffix_enabled()) {
        // Keep first 13 chars and last 7 chars (MAC suffix), remove middle
-        name_with_suffix.erase(13, name_with_suffix.length() - 20);
+        memcpy(name_buffer, app_name.c_str(), 13);
+        memcpy(name_buffer + 13, app_name.c_str() + name_len - 7, 7);
      } else {
-        name_with_suffix.resize(20);
+        memcpy(name_buffer, app_name.c_str(), 20);
      }
+      name_buffer[20] = '\0';
+    } else {
+      memcpy(name_buffer, app_name.c_str(), name_len + 1);  // Include null terminator
    }
-    device_name = name_with_suffix.c_str();
+    device_name = name_buffer;
  }

  err = esp_ble_gap_set_device_name(device_name);
@@ -308,22 +311,24 @@ bool ESP32BLE::ble_setup_() {
 bool ESP32BLE::ble_dismantle_() {
  esp_err_t err = esp_bluedroid_disable();
  if (err != ESP_OK) {
-    ESP_LOGE(TAG, "esp_bluedroid_disable failed: %d", err);
-    return false;
+    // ESP_ERR_INVALID_STATE means Bluedroid is already disabled, which is fine
+    if (err != ESP_ERR_INVALID_STATE) {
+      ESP_LOGE(TAG, "esp_bluedroid_disable failed: %d", err);
+      return false;
+    }
+    ESP_LOGD(TAG, "Already disabled");
  }
  err = esp_bluedroid_deinit();
  if (err != ESP_OK) {
-    ESP_LOGE(TAG, "esp_bluedroid_deinit failed: %d", err);
-    return false;
+    // ESP_ERR_INVALID_STATE means Bluedroid is already deinitialized, which is fine
+    if (err != ESP_ERR_INVALID_STATE) {
+      ESP_LOGE(TAG, "esp_bluedroid_deinit failed: %d", err);
+      return false;
+    }
+    ESP_LOGD(TAG, "Already deinitialized");
  }

 #ifndef CONFIG_ESP_HOSTED_ENABLE_BT_BLUEDROID
-#ifdef USE_ARDUINO
-  if (!btStop()) {
-    ESP_LOGE(TAG, "btStop failed: %d", esp_bt_controller_get_status());
-    return false;
-  }
-#else
  if (esp_bt_controller_get_status() != ESP_BT_CONTROLLER_STATUS_IDLE) {
    // stop bt controller
    if (esp_bt_controller_get_status() == ESP_BT_CONTROLLER_STATUS_ENABLED) {
@@ -347,7 +352,6 @@ bool ESP32BLE::ble_dismantle_() {
      return false;
    }
  }
-#endif
 #else
  if (esp_hosted_bt_controller_disable() != ESP_OK) {
    ESP_LOGW(TAG, "esp_hosted_bt_controller_disable failed");
--- a/esphome/components/esp32_ble/ble.h
+++ b/esphome/components/esp32_ble/ble.h
@@ -212,17 +212,23 @@ extern ESP32BLE *global_ble;

 template<typename... Ts> class BLEEnabledCondition : public Condition<Ts...> {
 public:
-  bool check(const Ts &...x) override { return global_ble->is_active(); }
+  bool check(const Ts &...x) override { return global_ble != nullptr && global_ble->is_active(); }
 };

 template<typename... Ts> class BLEEnableAction : public Action<Ts...> {
 public:
-  void play(const Ts &...x) override { global_ble->enable(); }
+  void play(const Ts &...x) override {
+    if (global_ble != nullptr)
+      global_ble->enable();
+  }
 };

 template<typename... Ts> class BLEDisableAction : public Action<Ts...> {
 public:
-  void play(const Ts &...x) override { global_ble->disable(); }
+  void play(const Ts &...x) override {
+    if (global_ble != nullptr)
+      global_ble->disable();
+  }
 };

 }  // namespace esphome::esp32_ble
--- a/esphome/components/esp32_ble/ble_uuid.cpp
+++ b/esphome/components/esp32_ble/ble_uuid.cpp
@@ -143,9 +143,8 @@ bool ESPBTUUID::operator==(const ESPBTUUID &uuid) const {
  return this->as_128bit() == uuid.as_128bit();
 }
 esp_bt_uuid_t ESPBTUUID::get_uuid() const { return this->uuid_; }
-std::string ESPBTUUID::to_string() const {
-  char buf[40];  // Enough for 128-bit UUID with dashes
-  char *pos = buf;
+void ESPBTUUID::to_str(std::span<char, UUID_STR_LEN> output) const {
+  char *pos = output.data();

  switch (this->uuid_.len) {
    case ESP_UUID_LEN_16:
@@ -156,7 +155,7 @@ std::string ESPBTUUID::to_string() const {
      *pos++ = format_hex_pretty_char((this->uuid_.uuid.uuid16 >> 4) & 0x0F);
      *pos++ = format_hex_pretty_char(this->uuid_.uuid.uuid16 & 0x0F);
      *pos = '\0';
-      return std::string(buf);
+      return;

    case ESP_UUID_LEN_32:
      *pos++ = '0';
@@ -165,7 +164,7 @@ std::string ESPBTUUID::to_string() const {
        *pos++ = format_hex_pretty_char((this->uuid_.uuid.uuid32 >> shift) & 0x0F);
      }
      *pos = '\0';
-      return std::string(buf);
+      return;

    default:
    case ESP_UUID_LEN_128:
@@ -179,9 +178,13 @@ std::string ESPBTUUID::to_string() const {
        }
      }
      *pos = '\0';
-      return std::string(buf);
+      return;
  }
-  return "";
+}
+std::string ESPBTUUID::to_string() const {
+  char buf[UUID_STR_LEN];
+  this->to_str(buf);
+  return std::string(buf);
 }

 }  // namespace esphome::esp32_ble
--- a/esphome/components/esp32_ble/ble_uuid.h
+++ b/esphome/components/esp32_ble/ble_uuid.h
@@ -7,11 +7,15 @@
 #ifdef USE_ESP32
 #ifdef USE_ESP32_BLE_UUID

+#include <span>
 #include <string>
 #include <esp_bt_defs.h>

 namespace esphome::esp32_ble {

+/// Buffer size for UUID string: "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX\0"
+static constexpr size_t UUID_STR_LEN = 37;
+
 class ESPBTUUID {
 public:
  ESPBTUUID();
@@ -37,6 +41,7 @@ class ESPBTUUID {
  esp_bt_uuid_t get_uuid() const;

  std::string to_string() const;
+  void to_str(std::span<char, UUID_STR_LEN> output) const;

 protected:
  esp_bt_uuid_t uuid_;
--- a/esphome/components/esp32_ble_client/ble_characteristic.cpp
+++ b/esphome/components/esp32_ble_client/ble_characteristic.cpp
@@ -50,8 +50,12 @@ void BLECharacteristic::parse_descriptors() {
    desc->handle = result.handle;
    desc->characteristic = this;
    this->descriptors.push_back(desc);
+#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
+    char uuid_buf[espbt::UUID_STR_LEN];
+    desc->uuid.to_str(uuid_buf);
    ESP_LOGV(TAG, "[%d] [%s]    descriptor %s, handle 0x%x", this->service->client->get_connection_index(),
-             this->service->client->address_str(), desc->uuid.to_string().c_str(), desc->handle);
+             this->service->client->address_str(), uuid_buf, desc->handle);
+#endif
    offset++;
  }
 }
--- a/esphome/components/esp32_ble_client/ble_client_base.cpp
+++ b/esphome/components/esp32_ble_client/ble_client_base.cpp
@@ -411,12 +411,15 @@ bool BLEClientBase::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_
        this->update_conn_params_(MEDIUM_MIN_CONN_INTERVAL, MEDIUM_MAX_CONN_INTERVAL, 0, MEDIUM_CONN_TIMEOUT, "medium");
      } else if (this->connection_type_ != espbt::ConnectionType::V3_WITH_CACHE) {
 #ifdef USE_ESP32_BLE_DEVICE
+#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
        for (auto &svc : this->services_) {
-          ESP_LOGV(TAG, "[%d] [%s] Service UUID: %s", this->connection_index_, this->address_str_,
-                   svc->uuid.to_string().c_str());
+          char uuid_buf[espbt::UUID_STR_LEN];
+          svc->uuid.to_str(uuid_buf);
+          ESP_LOGV(TAG, "[%d] [%s] Service UUID: %s", this->connection_index_, this->address_str_, uuid_buf);
          ESP_LOGV(TAG, "[%d] [%s]  start_handle: 0x%x  end_handle: 0x%x", this->connection_index_, this->address_str_,
                   svc->start_handle, svc->end_handle);
        }
+#endif
 #endif
      }
      ESP_LOGI(TAG, "[%d] [%s] Service discovery complete", this->connection_index_, this->address_str_);
@@ -524,10 +527,9 @@ void BLEClientBase::gap_event_handler(esp_gap_ble_cb_event_t event, esp_ble_gap_
    case ESP_GAP_BLE_AUTH_CMPL_EVT:
      if (!this->check_addr(param->ble_security.auth_cmpl.bd_addr))
        return;
-      esp_bd_addr_t bd_addr;
-      memcpy(bd_addr, param->ble_security.auth_cmpl.bd_addr, sizeof(esp_bd_addr_t));
-      ESP_LOGI(TAG, "[%d] [%s] auth complete addr: %s", this->connection_index_, this->address_str_,
-               format_hex(bd_addr, 6).c_str());
+      char addr_str[MAC_ADDR_STR_LEN];
+      format_mac_addr_upper(param->ble_security.auth_cmpl.bd_addr, addr_str);
+      ESP_LOGI(TAG, "[%d] [%s] auth complete addr: %s", this->connection_index_, this->address_str_, addr_str);
      if (!param->ble_security.auth_cmpl.success) {
        this->log_error_("auth fail reason", param->ble_security.auth_cmpl.fail_reason);
      } else {
--- a/esphome/components/esp32_ble_client/ble_service.cpp
+++ b/esphome/components/esp32_ble_client/ble_service.cpp
@@ -64,9 +64,12 @@ void BLEService::parse_characteristics() {
    characteristic->handle = result.char_handle;
    characteristic->service = this;
    this->characteristics.push_back(characteristic);
+#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
+    char uuid_buf[espbt::UUID_STR_LEN];
+    characteristic->uuid.to_str(uuid_buf);
    ESP_LOGV(TAG, "[%d] [%s]  characteristic %s, handle 0x%x, properties 0x%x", this->client->get_connection_index(),
-             this->client->address_str(), characteristic->uuid.to_string().c_str(), characteristic->handle,
-             characteristic->properties);
+             this->client->address_str(), uuid_buf, characteristic->handle, characteristic->properties);
+#endif
    offset++;
  }
 }
--- a/esphome/components/esp32_ble_server/ble_characteristic.cpp
+++ b/esphome/components/esp32_ble_server/ble_characteristic.cpp
@@ -109,7 +109,11 @@ void BLECharacteristic::do_create(BLEService *service) {
  esp_attr_control_t control;
  control.auto_rsp = ESP_GATT_RSP_BY_APP;

-  ESP_LOGV(TAG, "Creating characteristic - %s", this->uuid_.to_string().c_str());
+#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
+  char uuid_buf[esp32_ble::UUID_STR_LEN];
+  this->uuid_.to_str(uuid_buf);
+  ESP_LOGV(TAG, "Creating characteristic - %s", uuid_buf);
+#endif

  esp_bt_uuid_t uuid = this->uuid_.get_uuid();
  esp_err_t err = esp_ble_gatts_add_char(service->get_handle(), &uuid, static_cast<esp_gatt_perm_t>(this->permissions_),
--- a/esphome/components/esp32_ble_server/ble_descriptor.cpp
+++ b/esphome/components/esp32_ble_server/ble_descriptor.cpp
@@ -34,7 +34,11 @@ void BLEDescriptor::do_create(BLECharacteristic *characteristic) {
  esp_attr_control_t control;
  control.auto_rsp = ESP_GATT_AUTO_RSP;

-  ESP_LOGV(TAG, "Creating descriptor - %s", this->uuid_.to_string().c_str());
+#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
+  char uuid_buf[esp32_ble::UUID_STR_LEN];
+  this->uuid_.to_str(uuid_buf);
+  ESP_LOGV(TAG, "Creating descriptor - %s", uuid_buf);
+#endif
  esp_bt_uuid_t uuid = this->uuid_.get_uuid();
  esp_err_t err = esp_ble_gatts_add_char_descr(this->characteristic_->get_service()->get_handle(), &uuid,
                                               this->permissions_, &this->value_, &control);
--- a/esphome/components/esp32_ble_server/ble_server.cpp
+++ b/esphome/components/esp32_ble_server/ble_server.cpp
@@ -106,7 +106,11 @@ void BLEServer::restart_advertising_() {
 }

 BLEService *BLEServer::create_service(ESPBTUUID uuid, bool advertise, uint16_t num_handles) {
-  ESP_LOGV(TAG, "Creating BLE service - %s", uuid.to_string().c_str());
+#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
+  char uuid_buf[esp32_ble::UUID_STR_LEN];
+  uuid.to_str(uuid_buf);
+  ESP_LOGV(TAG, "Creating BLE service - %s", uuid_buf);
+#endif
  // Calculate the inst_id for the service
  uint8_t inst_id = 0;
  for (; inst_id < 0xFF; inst_id++) {
@@ -115,7 +119,9 @@ BLEService *BLEServer::create_service(ESPBTUUID uuid, bool advertise, uint16_t n
    }
  }
  if (inst_id == 0xFF) {
-    ESP_LOGW(TAG, "Could not create BLE service %s, too many instances", uuid.to_string().c_str());
+    char warn_uuid_buf[esp32_ble::UUID_STR_LEN];
+    uuid.to_str(warn_uuid_buf);
+    ESP_LOGW(TAG, "Could not create BLE service %s, too many instances", warn_uuid_buf);
    return nullptr;
  }
  BLEService *service =  // NOLINT(cppcoreguidelines-owning-memory)
@@ -128,7 +134,11 @@ BLEService *BLEServer::create_service(ESPBTUUID uuid, bool advertise, uint16_t n
 }

 void BLEServer::remove_service(ESPBTUUID uuid, uint8_t inst_id) {
-  ESP_LOGV(TAG, "Removing BLE service - %s %d", uuid.to_string().c_str(), inst_id);
+#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
+  char uuid_buf[esp32_ble::UUID_STR_LEN];
+  uuid.to_str(uuid_buf);
+  ESP_LOGV(TAG, "Removing BLE service - %s %d", uuid_buf, inst_id);
+#endif
  for (auto it = this->services_.begin(); it != this->services_.end(); ++it) {
    if (it->uuid == uuid && it->inst_id == inst_id) {
      it->service->do_delete();
@@ -137,7 +147,9 @@ void BLEServer::remove_service(ESPBTUUID uuid, uint8_t inst_id) {
      return;
    }
  }
-  ESP_LOGW(TAG, "BLE service %s %d does not exist", uuid.to_string().c_str(), inst_id);
+  char warn_uuid_buf[esp32_ble::UUID_STR_LEN];
+  uuid.to_str(warn_uuid_buf);
+  ESP_LOGW(TAG, "BLE service %s %d does not exist", warn_uuid_buf, inst_id);
 }

 BLEService *BLEServer::get_service(ESPBTUUID uuid, uint8_t inst_id) {
--- a/esphome/components/esp32_ble_tracker/init.py
+++ b/esphome/components/esp32_ble_tracker/init.py
@@ -5,7 +5,7 @@ import logging

 from esphome import automation
 import esphome.codegen as cg
-from esphome.components import esp32_ble
+from esphome.components import esp32_ble, ota
 from esphome.components.esp32 import add_idf_sdkconfig_option
 from esphome.components.esp32_ble import (
    IDF_MAX_CONNECTIONS,
@@ -328,7 +328,7 @@ async def to_code(config):
    # Note: CONFIG_BT_ACL_CONNECTIONS and CONFIG_BTDM_CTRL_BLE_MAX_CONN are now
    # configured in esp32_ble component based on max_connections setting

-    cg.add_define("USE_OTA_STATE_CALLBACK")  # To be notified when an OTA update starts
+    ota.request_ota_state_listeners()  # To be notified when an OTA update starts
    cg.add_define("USE_ESP32_BLE_CLIENT")

    CORE.add_job(_add_ble_features)
--- a/esphome/components/esp32_ble_tracker/esp32_ble_tracker.cpp
+++ b/esphome/components/esp32_ble_tracker/esp32_ble_tracker.cpp
@@ -71,21 +71,24 @@ void ESP32BLETracker::setup() {

  global_esp32_ble_tracker = this;

-#ifdef USE_OTA
-  ota::get_global_ota_callback()->add_on_state_callback(
-      [this](ota::OTAState state, float progress, uint8_t error, ota::OTAComponent *comp) {
-        if (state == ota::OTA_STARTED) {
-          this->stop_scan();
-#ifdef ESPHOME_ESP32_BLE_TRACKER_CLIENT_COUNT
-          for (auto *client : this->clients_) {
-            client->disconnect();
-          }
-#endif
-        }
-      });
+#ifdef USE_OTA_STATE_LISTENER
+  ota::get_global_ota_callback()->add_global_state_listener(this);
 #endif
 }

+#ifdef USE_OTA_STATE_LISTENER
+void ESP32BLETracker::on_ota_global_state(ota::OTAState state, float progress, uint8_t error, ota::OTAComponent *comp) {
+  if (state == ota::OTA_STARTED) {
+    this->stop_scan();
+#ifdef ESPHOME_ESP32_BLE_TRACKER_CLIENT_COUNT
+    for (auto *client : this->clients_) {
+      client->disconnect();
+    }
+#endif
+  }
+}
+#endif
+
 void ESP32BLETracker::loop() {
  if (!this->parent_->is_active()) {
    this->ble_was_disabled_ = true;
@@ -185,7 +188,10 @@ void ESP32BLETracker::ble_before_disabled_event_handler() { this->stop_scan_();

 void ESP32BLETracker::stop_scan_() {
  if (this->scanner_state_ != ScannerState::RUNNING && this->scanner_state_ != ScannerState::FAILED) {
-    ESP_LOGE(TAG, "Cannot stop scan: %s", this->scanner_state_to_string_(this->scanner_state_));
+    // If scanner is already idle, there's nothing to stop - this is not an error
+    if (this->scanner_state_ != ScannerState::IDLE) {
+      ESP_LOGE(TAG, "Cannot stop scan: %s", this->scanner_state_to_string_(this->scanner_state_));
+    }
    return;
  }
  // Reset timeout state machine when stopping scan
@@ -435,24 +441,31 @@ void ESPBTDevice::parse_scan_rst(const BLEScanResult &scan_result) {
    ESP_LOGVV(TAG, "  Ad Flag: %u", *this->ad_flag_);
  }
  for (auto &uuid : this->service_uuids_) {
-    ESP_LOGVV(TAG, "  Service UUID: %s", uuid.to_string().c_str());
+    char uuid_buf[esp32_ble::UUID_STR_LEN];
+    uuid.to_str(uuid_buf);
+    ESP_LOGVV(TAG, "  Service UUID: %s", uuid_buf);
  }
  for (auto &data : this->manufacturer_datas_) {
    auto ibeacon = ESPBLEiBeacon::from_manufacturer_data(data);
    if (ibeacon.has_value()) {
      ESP_LOGVV(TAG, "  Manufacturer iBeacon:");
-      ESP_LOGVV(TAG, "    UUID: %s", ibeacon.value().get_uuid().to_string().c_str());
+      char uuid_buf[esp32_ble::UUID_STR_LEN];
+      ibeacon.value().get_uuid().to_str(uuid_buf);
+      ESP_LOGVV(TAG, "    UUID: %s", uuid_buf);
      ESP_LOGVV(TAG, "    Major: %u", ibeacon.value().get_major());
      ESP_LOGVV(TAG, "    Minor: %u", ibeacon.value().get_minor());
      ESP_LOGVV(TAG, "    TXPower: %d", ibeacon.value().get_signal_power());
    } else {
-      ESP_LOGVV(TAG, "  Manufacturer ID: %s, data: %s", data.uuid.to_string().c_str(),
-                format_hex_pretty(data.data).c_str());
+      char uuid_buf[esp32_ble::UUID_STR_LEN];
+      data.uuid.to_str(uuid_buf);
+      ESP_LOGVV(TAG, "  Manufacturer ID: %s, data: %s", uuid_buf, format_hex_pretty(data.data).c_str());
    }
  }
  for (auto &data : this->service_datas_) {
    ESP_LOGVV(TAG, "  Service data:");
-    ESP_LOGVV(TAG, "    UUID: %s", data.uuid.to_string().c_str());
+    char uuid_buf[esp32_ble::UUID_STR_LEN];
+    data.uuid.to_str(uuid_buf);
+    ESP_LOGVV(TAG, "    UUID: %s", uuid_buf);
    ESP_LOGVV(TAG, "    Data: %s", format_hex_pretty(data.data).c_str());
  }

--- a/esphome/components/esp32_ble_tracker/esp32_ble_tracker.h
+++ b/esphome/components/esp32_ble_tracker/esp32_ble_tracker.h
@@ -22,6 +22,10 @@
 #include "esphome/components/esp32_ble/ble_uuid.h"
 #include "esphome/components/esp32_ble/ble_scan_result.h"

+#ifdef USE_OTA_STATE_LISTENER
+#include "esphome/components/ota/ota_backend.h"
+#endif
+
 namespace esphome::esp32_ble_tracker {

 using namespace esp32_ble;
@@ -241,6 +245,9 @@ class ESP32BLETracker : public Component,
                        public GAPScanEventHandler,
                        public GATTcEventHandler,
                        public BLEStatusEventHandler,
+#ifdef USE_OTA_STATE_LISTENER
+                        public ota::OTAGlobalStateListener,
+#endif
                        public Parented<ESP32BLE> {
 public:
  void set_scan_duration(uint32_t scan_duration) { scan_duration_ = scan_duration; }
@@ -274,6 +281,10 @@ class ESP32BLETracker : public Component,
  void gap_scan_event_handler(const BLEScanResult &scan_result) override;
  void ble_before_disabled_event_handler() override;

+#ifdef USE_OTA_STATE_LISTENER
+  void on_ota_global_state(ota::OTAState state, float progress, uint8_t error, ota::OTAComponent *comp) override;
+#endif
+
  /// Add a listener for scanner state changes
  void add_scanner_state_listener(BLEScannerStateListener *listener) {
    this->scanner_state_listeners_.push_back(listener);
--- a/esphome/components/esp32_camera/init.py
+++ b/esphome/components/esp32_camera/init.py
@@ -2,8 +2,8 @@ import logging

 from esphome import automation, pins
 import esphome.codegen as cg
-from esphome.components import i2c
-from esphome.components.esp32 import add_idf_component
+from esphome.components import i2c, socket
+from esphome.components.esp32 import add_idf_component, add_idf_sdkconfig_option
 from esphome.components.psram import DOMAIN as psram_domain
 import esphome.config_validation as cv
 from esphome.const import (
@@ -27,7 +27,7 @@ import esphome.final_validate as fv

 _LOGGER = logging.getLogger(__name__)

-AUTO_LOAD = ["camera"]
+AUTO_LOAD = ["camera", "socket"]
 DEPENDENCIES = ["esp32"]

 esp32_camera_ns = cg.esphome_ns.namespace("esp32_camera")
@@ -186,7 +186,7 @@ CONFIG_SCHEMA = cv.All(
                {
                    cv.Required(CONF_PIN): pins.internal_gpio_input_pin_number,
                    cv.Optional(CONF_FREQUENCY, default="20MHz"): cv.All(
-                        cv.frequency, cv.Range(min=8e6, max=20e6)
+                        cv.frequency, cv.float_range(min=8e6, max=20e6)
                    ),
                }
            ),
@@ -324,6 +324,7 @@ SETTERS = {

 async def to_code(config):
    cg.add_define("USE_CAMERA")
+    socket.require_wake_loop_threadsafe()
    var = cg.new_Pvariable(config[CONF_ID])
    await setup_entity(var, config, "camera")
    await cg.register_component(var, config)
@@ -352,6 +353,8 @@ async def to_code(config):
    cg.add_define("USE_CAMERA")

    add_idf_component(name="espressif/esp32-camera", ref="2.1.1")
+    add_idf_sdkconfig_option("CONFIG_SCCB_HARDWARE_I2C_DRIVER_NEW", True)
+    add_idf_sdkconfig_option("CONFIG_SCCB_HARDWARE_I2C_DRIVER_LEGACY", False)

    for conf in config.get(CONF_ON_STREAM_START, []):
        trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)
--- a/esphome/components/esp32_camera/esp32_camera.cpp
+++ b/esphome/components/esp32_camera/esp32_camera.cpp
@@ -11,6 +11,10 @@ namespace esphome {
 namespace esp32_camera {

 static const char *const TAG = "esp32_camera";
+static constexpr size_t FRAMEBUFFER_TASK_STACK_SIZE = 1792;
+#if ESPHOME_LOG_LEVEL < ESPHOME_LOG_LEVEL_VERBOSE
+static constexpr uint32_t FRAME_LOG_INTERVAL_MS = 60000;
+#endif

 /* ---------------- public API (derivated) ---------------- */
 void ESP32Camera::setup() {
@@ -39,12 +43,12 @@ void ESP32Camera::setup() {
  this->framebuffer_get_queue_ = xQueueCreate(1, sizeof(camera_fb_t *));
  this->framebuffer_return_queue_ = xQueueCreate(1, sizeof(camera_fb_t *));
  xTaskCreatePinnedToCore(&ESP32Camera::framebuffer_task,
-                          "framebuffer_task",  // name
-                          1024,                // stack size
-                          this,                // task pv params
-                          1,                   // priority
-                          nullptr,             // handle
-                          1                    // core
+                          "framebuffer_task",           // name
+                          FRAMEBUFFER_TASK_STACK_SIZE,  // stack size
+                          this,                         // task pv params
+                          1,                            // priority
+                          nullptr,                      // handle
+                          1                             // core
  );
 }

@@ -164,6 +168,19 @@ void ESP32Camera::dump_config() {
 }

 void ESP32Camera::loop() {
+  // Fast path: skip all work when truly idle
+  // (no current image, no pending requests, and not time for idle request yet)
+  const uint32_t now = App.get_loop_component_start_time();
+  if (!this->current_image_ && !this->has_requested_image_()) {
+    // Only check idle interval when we're otherwise idle
+    if (this->idle_update_interval_ != 0 && now - this->last_idle_request_ > this->idle_update_interval_) {
+      this->last_idle_request_ = now;
+      this->request_image(camera::IDLE);
+    } else {
+      return;
+    }
+  }
+
  // check if we can return the image
  if (this->can_return_image_()) {
    // return image
@@ -172,13 +189,6 @@ void ESP32Camera::loop() {
    this->current_image_.reset();
  }

-  // request idle image every idle_update_interval
-  const uint32_t now = App.get_loop_component_start_time();
-  if (this->idle_update_interval_ != 0 && now - this->last_idle_request_ > this->idle_update_interval_) {
-    this->last_idle_request_ = now;
-    this->request_image(camera::IDLE);
-  }
-
  // Check if we should fetch a new image
  if (!this->has_requested_image_())
    return;
@@ -204,7 +214,20 @@ void ESP32Camera::loop() {
  }
  this->current_image_ = std::make_shared<ESP32CameraImage>(fb, this->single_requesters_ | this->stream_requesters_);

-  ESP_LOGD(TAG, "Got Image: len=%u", fb->len);
+#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
+  ESP_LOGV(TAG, "Got Image: len=%u", fb->len);
+#else
+  // Initialize log time on first frame to ensure accurate interval measurement
+  if (this->frame_count_ == 0) {
+    this->last_log_time_ = now;
+  }
+  this->frame_count_++;
+  if (now - this->last_log_time_ >= FRAME_LOG_INTERVAL_MS) {
+    ESP_LOGD(TAG, "Received %u images in last %us", this->frame_count_, FRAME_LOG_INTERVAL_MS / 1000);
+    this->last_log_time_ = now;
+    this->frame_count_ = 0;
+  }
+#endif
  for (auto *listener : this->listeners_) {
    listener->on_camera_image(this->current_image_);
  }
@@ -405,6 +428,10 @@ void ESP32Camera::framebuffer_task(void *pv) {
  while (true) {
    camera_fb_t *framebuffer = esp_camera_fb_get();
    xQueueSend(that->framebuffer_get_queue_, &framebuffer, portMAX_DELAY);
+    // Only wake the main loop if there's a pending request to consume the frame
+    if (that->has_requested_image_()) {
+      App.wake_loop_threadsafe();
+    }
    // return is no-op for config with 1 fb
    xQueueReceive(that->framebuffer_return_queue_, &framebuffer, portMAX_DELAY);
    esp_camera_fb_return(framebuffer);
--- a/esphome/components/esp32_camera/esp32_camera.h
+++ b/esphome/components/esp32_camera/esp32_camera.h
@@ -2,6 +2,7 @@

 #ifdef USE_ESP32

+#include <atomic>
 #include <esp_camera.h>
 #include <freertos/FreeRTOS.h>
 #include <freertos/queue.h>
@@ -205,14 +206,18 @@ class ESP32Camera : public camera::Camera {

  esp_err_t init_error_{ESP_OK};
  std::shared_ptr<ESP32CameraImage> current_image_;
-  uint8_t single_requesters_{0};
-  uint8_t stream_requesters_{0};
+  std::atomic<uint8_t> single_requesters_{0};
+  std::atomic<uint8_t> stream_requesters_{0};
  QueueHandle_t framebuffer_get_queue_;
  QueueHandle_t framebuffer_return_queue_;
  std::vector<camera::CameraListener *> listeners_;

  uint32_t last_idle_request_{0};
  uint32_t last_update_{0};
+#if ESPHOME_LOG_LEVEL < ESPHOME_LOG_LEVEL_VERBOSE
+  uint32_t last_log_time_{0};
+  uint16_t frame_count_{0};
+#endif
 #ifdef USE_I2C
  i2c::InternalI2CBus *i2c_bus_{nullptr};
 #endif  // USE_I2C
--- a/esphome/components/esp8266/init.py
+++ b/esphome/components/esp8266/init.py
@@ -191,7 +191,8 @@ async def to_code(config):
    cg.add_define(ThreadModel.SINGLE)

    cg.add_platformio_option(
-        "extra_scripts", ["pre:testing_mode.py", "post:post_build.py"]
+        "extra_scripts",
+        ["pre:testing_mode.py", "pre:exclude_updater.py", "post:post_build.py"],
    )

    conf = config[CONF_FRAMEWORK]
@@ -278,3 +279,8 @@ def copy_files():
        testing_mode_file,
        CORE.relative_build_path("testing_mode.py"),
    )
+    exclude_updater_file = dir / "exclude_updater.py.script"
+    copy_file_if_changed(
+        exclude_updater_file,
+        CORE.relative_build_path("exclude_updater.py"),
+    )
--- a/esphome/components/esp8266/exclude_updater.py.script
+++ b/esphome/components/esp8266/exclude_updater.py.script
@@ -0,0 +1,21 @@
+# pylint: disable=E0602
+Import("env")  # noqa
+
+import os
+
+# Filter out Updater.cpp from the Arduino core build
+# This saves 228 bytes of .bss by not instantiating the global Update object
+# ESPHome uses its own native OTA backend instead
+
+
+def filter_updater_from_core(env, node):
+    """Filter callback to exclude Updater.cpp from framework build."""
+    path = node.get_path()
+    if path.endswith("Updater.cpp"):
+        print(f"ESPHome: Excluding {os.path.basename(path)} from build (using native OTA backend)")
+        return None
+    return node
+
+
+# Apply the filter to framework sources
+env.AddBuildMiddleware(filter_updater_from_core, "**/cores/esp8266/Updater.cpp")
--- a/esphome/components/esp8266_pwm/output.py
+++ b/esphome/components/esp8266_pwm/output.py
@@ -16,7 +16,7 @@ def valid_pwm_pin(value):
 esp8266_pwm_ns = cg.esphome_ns.namespace("esp8266_pwm")
 ESP8266PWM = esp8266_pwm_ns.class_("ESP8266PWM", output.FloatOutput, cg.Component)
 SetFrequencyAction = esp8266_pwm_ns.class_("SetFrequencyAction", automation.Action)
-validate_frequency = cv.All(cv.frequency, cv.Range(min=1.0e-6))
+validate_frequency = cv.All(cv.frequency, cv.float_range(min=1.0e-6))

 CONFIG_SCHEMA = cv.All(
    output.FLOAT_OUTPUT_SCHEMA.extend(
--- a/esphome/components/esp_ldo/init.py
+++ b/esphome/components/esp_ldo/init.py
@@ -31,7 +31,7 @@ CONFIG_SCHEMA = cv.All(
            }
        )
    ),
-    cv.only_with_esp_idf,
+    cv.only_on_esp32,
    only_on_variant(supported=[VARIANT_ESP32P4]),
 )

--- a/esphome/components/esphome/ota/ota_esphome.cpp
+++ b/esphome/components/esphome/ota/ota_esphome.cpp
@@ -10,7 +10,7 @@
 #endif
 #include "esphome/components/network/util.h"
 #include "esphome/components/ota/ota_backend.h"
-#include "esphome/components/ota/ota_backend_arduino_esp8266.h"
+#include "esphome/components/ota/ota_backend_esp8266.h"
 #include "esphome/components/ota/ota_backend_arduino_libretiny.h"
 #include "esphome/components/ota/ota_backend_arduino_rp2040.h"
 #include "esphome/components/ota/ota_backend_esp_idf.h"
@@ -41,10 +41,6 @@ static constexpr size_t SHA256_HEX_SIZE = 64;  // SHA256 hash as hex string (32
 #endif  // USE_OTA_PASSWORD

 void ESPHomeOTAComponent::setup() {
-#ifdef USE_OTA_STATE_CALLBACK
-  ota::register_ota_platform(this);
-#endif
-
  this->server_ = socket::socket_ip_loop_monitored(SOCK_STREAM, 0);  // monitored for incoming connections
  if (this->server_ == nullptr) {
    this->log_socket_error_(LOG_STR("creation"));
@@ -297,8 +293,8 @@ void ESPHomeOTAComponent::handle_data_() {
  // accidentally trigger the update process.
  this->log_start_(LOG_STR("update"));
  this->status_set_warning();
-#ifdef USE_OTA_STATE_CALLBACK
-  this->state_callback_.call(ota::OTA_STARTED, 0.0f, 0);
+#ifdef USE_OTA_STATE_LISTENER
+  this->notify_state_(ota::OTA_STARTED, 0.0f, 0);
 #endif

  // This will block for a few seconds as it locks flash
@@ -357,8 +353,8 @@ void ESPHomeOTAComponent::handle_data_() {
      last_progress = now;
      float percentage = (total * 100.0f) / ota_size;
      ESP_LOGD(TAG, "Progress: %0.1f%%", percentage);
-#ifdef USE_OTA_STATE_CALLBACK
-      this->state_callback_.call(ota::OTA_IN_PROGRESS, percentage, 0);
+#ifdef USE_OTA_STATE_LISTENER
+      this->notify_state_(ota::OTA_IN_PROGRESS, percentage, 0);
 #endif
      // feed watchdog and give other tasks a chance to run
      this->yield_and_feed_watchdog_();
@@ -387,8 +383,8 @@ void ESPHomeOTAComponent::handle_data_() {
  delay(10);
  ESP_LOGI(TAG, "Update complete");
  this->status_clear_warning();
-#ifdef USE_OTA_STATE_CALLBACK
-  this->state_callback_.call(ota::OTA_COMPLETED, 100.0f, 0);
+#ifdef USE_OTA_STATE_LISTENER
+  this->notify_state_(ota::OTA_COMPLETED, 100.0f, 0);
 #endif
  delay(100);  // NOLINT
  App.safe_reboot();
@@ -402,8 +398,8 @@ error:
  }

  this->status_momentary_error("err", 5000);
-#ifdef USE_OTA_STATE_CALLBACK
-  this->state_callback_.call(ota::OTA_ERROR, 0.0f, static_cast<uint8_t>(error_code));
+#ifdef USE_OTA_STATE_LISTENER
+  this->notify_state_(ota::OTA_ERROR, 0.0f, static_cast<uint8_t>(error_code));
 #endif
 }

@@ -658,12 +654,7 @@ bool ESPHomeOTAComponent::handle_auth_send_() {
    this->auth_buf_[0] = this->auth_type_;
    hasher->get_hex(buf);

-#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
-    char log_buf[65];  // Fixed size for SHA256 hex (64) + null, works for MD5 (32) too
-    memcpy(log_buf, buf, hex_size);
-    log_buf[hex_size] = '\0';
-    ESP_LOGV(TAG, "Auth: Nonce is %s", log_buf);
-#endif
+    ESP_LOGV(TAG, "Auth: Nonce is %.*s", hex_size, buf);
  }

  // Try to write auth_type + nonce
@@ -743,23 +734,13 @@ bool ESPHomeOTAComponent::handle_auth_read_() {
  hasher->add(nonce, hex_size * 2);  // Add both nonce and cnonce (contiguous in buffer)
  hasher->calculate();

+  ESP_LOGV(TAG, "Auth: CNonce is %.*s", hex_size, cnonce);
 #if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
-  char log_buf[65];  // Fixed size for SHA256 hex (64) + null, works for MD5 (32) too
-  // Log CNonce
-  memcpy(log_buf, cnonce, hex_size);
-  log_buf[hex_size] = '\0';
-  ESP_LOGV(TAG, "Auth: CNonce is %s", log_buf);
-
-  // Log computed hash
-  hasher->get_hex(log_buf);
-  log_buf[hex_size] = '\0';
-  ESP_LOGV(TAG, "Auth: Result is %s", log_buf);
-
-  // Log received response
-  memcpy(log_buf, response, hex_size);
-  log_buf[hex_size] = '\0';
-  ESP_LOGV(TAG, "Auth: Response is %s", log_buf);
+  char computed_hash[65];  // Buffer for hex-encoded hash (max expected length + null terminator)
+  hasher->get_hex(computed_hash);
+  ESP_LOGV(TAG, "Auth: Result is %.*s", hex_size, computed_hash);
 #endif
+  ESP_LOGV(TAG, "Auth: Response is %.*s", hex_size, response);

  // Compare response
  bool matches = hasher->equals_hex(response);
--- a/esphome/components/esphome/ota/ota_esphome.h
+++ b/esphome/components/esphome/ota/ota_esphome.h
@@ -80,6 +80,7 @@ class ESPHomeOTAComponent : public ota::OTAComponent {

 #ifdef USE_OTA_PASSWORD
  std::string password_;
+  std::unique_ptr<uint8_t[]> auth_buf_;
 #endif  // USE_OTA_PASSWORD

  std::unique_ptr<socket::Socket> server_;
@@ -93,7 +94,6 @@ class ESPHomeOTAComponent : public ota::OTAComponent {
  uint8_t handshake_buf_pos_{0};
  uint8_t ota_features_{0};
 #ifdef USE_OTA_PASSWORD
-  std::unique_ptr<uint8_t[]> auth_buf_;
  uint8_t auth_buf_pos_{0};
  uint8_t auth_type_{0};  // Store auth type to know which hasher to use
 #endif                    // USE_OTA_PASSWORD
--- a/Show More
+++ b/Show More