[select] Convert remaining components to use index-based control()

Co-authored-by: J. Nick Koston <nick+github@koston.org>

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

@@ -416,7 +416,7 @@ jobs:
             }
 
             // Generate review messages
-            function generateReviewMessages(finalLabels) {
+            function generateReviewMessages(finalLabels, originalLabelCount) {
               const messages = [];
               const prAuthor = context.payload.pull_request.user.login;
 
@@ -430,15 +430,15 @@ jobs:
                   .reduce((sum, file) => sum + (file.deletions || 0), 0);
                 const nonTestChanges = (totalAdditions - testAdditions) - (totalDeletions - testDeletions);
 
-                const tooManyLabels = finalLabels.length > MAX_LABELS;
+                const tooManyLabels = originalLabelCount > MAX_LABELS;
                 const tooManyChanges = nonTestChanges > TOO_BIG_THRESHOLD;
 
                 let message = `${TOO_BIG_MARKER}\n### 📦 Pull Request Size\n\n`;
 
                 if (tooManyLabels && tooManyChanges) {
-                  message += `This PR is too large with ${nonTestChanges} line changes (excluding tests) and affects ${finalLabels.length} different components/areas.`;
+                  message += `This PR is too large with ${nonTestChanges} line changes (excluding tests) and affects ${originalLabelCount} different components/areas.`;
                 } else if (tooManyLabels) {
-                  message += `This PR affects ${finalLabels.length} different components/areas.`;
+                  message += `This PR affects ${originalLabelCount} different components/areas.`;
                 } else {
                   message += `This PR is too large with ${nonTestChanges} line changes (excluding tests).`;
                 }
@@ -466,8 +466,8 @@ jobs:
             }
 
             // Handle reviews
-            async function handleReviews(finalLabels) {
-              const reviewMessages = generateReviewMessages(finalLabels);
+            async function handleReviews(finalLabels, originalLabelCount) {
+              const reviewMessages = generateReviewMessages(finalLabels, originalLabelCount);
               const hasReviewableLabels = finalLabels.some(label =>
                 ['too-big', 'needs-codeowners'].includes(label)
               );
@@ -627,6 +627,7 @@ jobs:
 
             // Handle too many labels (only for non-mega PRs)
             const tooManyLabels = finalLabels.length > MAX_LABELS;
+            const originalLabelCount = finalLabels.length;
 
             if (tooManyLabels && !isMegaPR && !finalLabels.includes('too-big')) {
               finalLabels = ['too-big'];
@@ -635,7 +636,7 @@ jobs:
             console.log('Computed labels:', finalLabels.join(', '));
 
             // Handle reviews
-            await handleReviews(finalLabels);
+            await handleReviews(finalLabels, originalLabelCount);
 
             // Apply labels
             if (finalLabels.length > 0) {

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

@@ -62,7 +62,7 @@ jobs:
         run: git diff
       - if: failure()
         name: Archive artifacts
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
         with:
           name: generated-proto-files
           path: |

.github/workflows/ci.yml

@@ -114,7 +114,7 @@ jobs:
       matrix:
         python-version:
           - "3.11"
-          - "3.14"
+          - "3.13"
         os:
           - ubuntu-latest
           - macOS-latest
@@ -123,9 +123,9 @@ jobs:
           # Minimize CI resource usage
           # by only running the Python version
           # version used for docker images on Windows and macOS
-          - python-version: "3.14"
+          - python-version: "3.13"
             os: windows-latest
-          - python-version: "3.14"
+          - python-version: "3.13"
             os: macOS-latest
     runs-on: ${{ matrix.os }}
     needs:
@@ -180,6 +180,7 @@ jobs:
       memory_impact: ${{ steps.determine.outputs.memory-impact }}
       cpp-unit-tests-run-all: ${{ steps.determine.outputs.cpp-unit-tests-run-all }}
       cpp-unit-tests-components: ${{ steps.determine.outputs.cpp-unit-tests-components }}
+      component-test-batches: ${{ steps.determine.outputs.component-test-batches }}
     steps:
       - name: Check out code from GitHub
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
@@ -214,6 +215,7 @@ jobs:
           echo "memory-impact=$(echo "$output" | jq -c '.memory_impact')" >> $GITHUB_OUTPUT
           echo "cpp-unit-tests-run-all=$(echo "$output" | jq -r '.cpp_unit_tests_run_all')" >> $GITHUB_OUTPUT
           echo "cpp-unit-tests-components=$(echo "$output" | jq -c '.cpp_unit_tests_components')" >> $GITHUB_OUTPUT
+          echo "component-test-batches=$(echo "$output" | jq -c '.component_test_batches')" >> $GITHUB_OUTPUT
 
   integration-tests:
     name: Run integration tests
@@ -458,7 +460,7 @@ jobs:
       GH_TOKEN: ${{ github.token }}
     strategy:
       fail-fast: false
-      max-parallel: 1
+      max-parallel: 2
       matrix:
         include:
           - id: clang-tidy
@@ -536,59 +538,18 @@ jobs:
         run: script/ci-suggest-changes
         if: always()
 
-  test-build-components-splitter:
-    name: Split components for intelligent grouping (40 weighted per batch)
-    runs-on: ubuntu-24.04
-    needs:
-      - common
-      - determine-jobs
-    if: github.event_name == 'pull_request' && fromJSON(needs.determine-jobs.outputs.component-test-count) > 0
-    outputs:
-      matrix: ${{ steps.split.outputs.components }}
-    steps:
-      - name: Check out code from GitHub
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
-      - name: Restore Python
-        uses: ./.github/actions/restore-python
-        with:
-          python-version: ${{ env.DEFAULT_PYTHON }}
-          cache-key: ${{ needs.common.outputs.cache-key }}
-      - name: Split components intelligently based on bus configurations
-        id: split
-        run: |
-          . venv/bin/activate
-
-          # Use intelligent splitter that groups components with same bus configs
-          components='${{ needs.determine-jobs.outputs.changed-components-with-tests }}'
-
-          # Only isolate directly changed components when targeting dev branch
-          # For beta/release branches, group everything for faster CI
-          if [[ "${{ github.base_ref }}" == beta* ]] || [[ "${{ github.base_ref }}" == release* ]]; then
-            directly_changed='[]'
-            echo "Target branch: ${{ github.base_ref }} - grouping all components"
-          else
-            directly_changed='${{ needs.determine-jobs.outputs.directly-changed-components-with-tests }}'
-            echo "Target branch: ${{ github.base_ref }} - isolating directly changed components"
-          fi
-
-          echo "Splitting components intelligently..."
-          output=$(python3 script/split_components_for_ci.py --components "$components" --directly-changed "$directly_changed" --batch-size 40 --output github)
-
-          echo "$output" >> $GITHUB_OUTPUT
-
   test-build-components-split:
     name: Test components batch (${{ matrix.components }})
     runs-on: ubuntu-24.04
     needs:
       - common
       - determine-jobs
-      - test-build-components-splitter
     if: github.event_name == 'pull_request' && fromJSON(needs.determine-jobs.outputs.component-test-count) > 0
     strategy:
       fail-fast: false
       max-parallel: ${{ (startsWith(github.base_ref, 'beta') || startsWith(github.base_ref, 'release')) && 8 || 4 }}
       matrix:
-        components: ${{ fromJson(needs.test-build-components-splitter.outputs.matrix) }}
+        components: ${{ fromJson(needs.determine-jobs.outputs.component-test-batches) }}
     steps:
       - name: Show disk space
         run: |
@@ -849,7 +810,7 @@ jobs:
           fi
 
       - name: Upload memory analysis JSON
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
         with:
           name: memory-analysis-target
           path: memory-analysis-target.json
@@ -913,7 +874,7 @@ jobs:
             --platform "$platform"
 
       - name: Upload memory analysis JSON
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
         with:
           name: memory-analysis-pr
           path: memory-analysis-pr.json
@@ -943,13 +904,13 @@ jobs:
           python-version: ${{ env.DEFAULT_PYTHON }}
           cache-key: ${{ needs.common.outputs.cache-key }}
       - name: Download target analysis JSON
-        uses: actions/download-artifact@634f93cb2916e3fdff6788551b99b062d0335ce0 # v5.0.0
+        uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
         with:
           name: memory-analysis-target
           path: ./memory-analysis
         continue-on-error: true
       - name: Download PR analysis JSON
-        uses: actions/download-artifact@634f93cb2916e3fdff6788551b99b062d0335ce0 # v5.0.0
+        uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
         with:
           name: memory-analysis-pr
           path: ./memory-analysis
@@ -980,7 +941,6 @@ jobs:
       - clang-tidy-nosplit
       - clang-tidy-split
       - determine-jobs
-      - test-build-components-splitter
       - test-build-components-split
       - pre-commit-ci-lite
       - memory-impact-target-branch

.github/workflows/codeql.yml

@@ -58,7 +58,7 @@ jobs:
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@16140ae1a102900babc80a33c44059580f687047 # v4.30.9
+        uses: github/codeql-action/init@0499de31b99561a6d14a36a5f662c2a54f91beee # v4.31.2
         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@16140ae1a102900babc80a33c44059580f687047 # v4.30.9
+        uses: github/codeql-action/analyze@0499de31b99561a6d14a36a5f662c2a54f91beee # v4.31.2
         with:
           category: "/language:${{matrix.language}}"

.github/workflows/release.yml

@@ -138,7 +138,7 @@ jobs:
       #     version: ${{ needs.init.outputs.tag }}
 
       - name: Upload digests
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
         with:
           name: digests-${{ matrix.platform.arch }}
           path: /tmp/digests
@@ -171,7 +171,7 @@ jobs:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       - name: Download digests
-        uses: actions/download-artifact@634f93cb2916e3fdff6788551b99b062d0335ce0 # v5.0.0
+        uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
         with:
           pattern: digests-*
           path: /tmp/digests

.pre-commit-config.yaml

@@ -11,7 +11,7 @@ ci:
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
     # Ruff version.
-    rev: v0.14.1
+    rev: v0.14.3
     hooks:
       # Run the linter.
       - id: ruff

esphome/__main__.py

@@ -207,14 +207,14 @@ def choose_upload_log_host(
                     if has_mqtt_logging():
                         resolved.append("MQTT")
 
-                    if has_api() and has_non_ip_address():
+                    if has_api() and has_non_ip_address() and has_resolvable_address():
                         resolved.extend(_resolve_with_cache(CORE.address, purpose))
 
                 elif purpose == Purpose.UPLOADING:
                     if has_ota() and has_mqtt_ip_lookup():
                         resolved.append("MQTTIP")
 
-                    if has_ota() and has_non_ip_address():
+                    if has_ota() and has_non_ip_address() and has_resolvable_address():
                         resolved.extend(_resolve_with_cache(CORE.address, purpose))
             else:
                 resolved.append(device)
@@ -318,7 +318,17 @@ def has_resolvable_address() -> bool:
     """Check if CORE.address is resolvable (via mDNS, DNS, or is an IP address)."""
     # Any address (IP, mDNS hostname, or regular DNS hostname) is resolvable
     # The resolve_ip_address() function in helpers.py handles all types via AsyncResolver
-    return CORE.address is not None
+    if CORE.address is None:
+        return False
+
+    if has_ip_address():
+        return True
+
+    if has_mdns():
+        return True
+
+    # .local mDNS hostnames are only resolvable if mDNS is enabled
+    return not CORE.address.endswith(".local")
 
 
 def mqtt_get_ip(config: ConfigType, username: str, password: str, client_id: str):

esphome/automation.py

@@ -15,7 +15,7 @@ from esphome.const import (
     CONF_TYPE_ID,
     CONF_UPDATE_INTERVAL,
 )
-from esphome.core import ID
+from esphome.core import ID, Lambda
 from esphome.cpp_generator import (
     LambdaExpression,
     MockObj,
@@ -182,7 +182,7 @@ def validate_automation(extra_schema=None, extra_validators=None, single=False):
             value = cv.Schema([extra_validators])(value)
         if single:
             if len(value) != 1:
-                raise cv.Invalid("Cannot have more than 1 automation for templates")
+                raise cv.Invalid("This trigger allows only a single automation")
             return value[0]
         return value
 
@@ -310,6 +310,30 @@ async def for_condition_to_code(
     return var
 
 
+@register_condition(
+    "component.is_idle",
+    LambdaCondition,
+    maybe_simple_id(
+        {
+            cv.Required(CONF_ID): cv.use_id(cg.Component),
+        }
+    ),
+)
+async def component_is_idle_condition_to_code(
+    config: ConfigType,
+    condition_id: ID,
+    template_arg: cg.TemplateArguments,
+    args: TemplateArgsType,
+) -> MockObj:
+    comp = await cg.get_variable(config[CONF_ID])
+    lambda_ = await cg.process_lambda(
+        Lambda(f"return {comp}->is_idle();"), args, return_type=bool
+    )
+    return new_lambda_pvariable(
+        condition_id, lambda_, StatelessLambdaCondition, template_arg
+    )
+
+
 @register_action(
     "delay", DelayAction, cv.templatable(cv.positive_time_period_milliseconds)
 )

esphome/components/alarm_control_panel/__init__.py

@@ -172,12 +172,6 @@ def alarm_control_panel_schema(
     return _ALARM_CONTROL_PANEL_SCHEMA.extend(schema)
 
 
-# Remove before 2025.11.0
-ALARM_CONTROL_PANEL_SCHEMA = alarm_control_panel_schema(AlarmControlPanel)
-ALARM_CONTROL_PANEL_SCHEMA.add_extra(
-    cv.deprecated_schema_constant("alarm_control_panel")
-)
-
 ALARM_CONTROL_PANEL_ACTION_SCHEMA = maybe_simple_id(
     {
         cv.GenerateID(): cv.use_id(AlarmControlPanel),

esphome/components/api/api.proto

@@ -425,7 +425,7 @@ message ListEntitiesFanResponse {
   bool disabled_by_default = 9;
   string icon = 10 [(field_ifdef) = "USE_ENTITY_ICON"];
   EntityCategory entity_category = 11;
-  repeated string supported_preset_modes = 12 [(container_pointer) = "std::set"];
+  repeated string supported_preset_modes = 12 [(container_pointer_no_template) = "std::vector<const char *>"];
   uint32 device_id = 13 [(field_ifdef) = "USE_DEVICES"];
 }
 // Deprecated in API version 1.6 - only used in deprecated fields
@@ -989,7 +989,7 @@ message ListEntitiesClimateResponse {
 
   bool supports_current_temperature = 5; // Deprecated: use feature_flags
   bool supports_two_point_target_temperature = 6; // Deprecated: use feature_flags
-  repeated ClimateMode supported_modes = 7 [(container_pointer) = "std::set<climate::ClimateMode>"];
+  repeated ClimateMode supported_modes = 7 [(container_pointer_no_template) = "climate::ClimateModeMask"];
   float visual_min_temperature = 8;
   float visual_max_temperature = 9;
   float visual_target_temperature_step = 10;
@@ -998,11 +998,11 @@ message ListEntitiesClimateResponse {
   // Deprecated in API version 1.5
   bool legacy_supports_away = 11 [deprecated=true];
   bool supports_action = 12; // Deprecated: use feature_flags
-  repeated ClimateFanMode supported_fan_modes = 13 [(container_pointer) = "std::set<climate::ClimateFanMode>"];
-  repeated ClimateSwingMode supported_swing_modes = 14 [(container_pointer) = "std::set<climate::ClimateSwingMode>"];
-  repeated string supported_custom_fan_modes = 15 [(container_pointer) = "std::set"];
-  repeated ClimatePreset supported_presets = 16 [(container_pointer) = "std::set<climate::ClimatePreset>"];
-  repeated string supported_custom_presets = 17 [(container_pointer) = "std::set"];
+  repeated ClimateFanMode supported_fan_modes = 13 [(container_pointer_no_template) = "climate::ClimateFanModeMask"];
+  repeated ClimateSwingMode supported_swing_modes = 14 [(container_pointer_no_template) = "climate::ClimateSwingModeMask"];
+  repeated string supported_custom_fan_modes = 15 [(container_pointer_no_template) = "std::vector<const char *>"];
+  repeated ClimatePreset supported_presets = 16 [(container_pointer_no_template) = "climate::ClimatePresetMask"];
+  repeated string supported_custom_presets = 17 [(container_pointer_no_template) = "std::vector<const char *>"];
   bool disabled_by_default = 18;
   string icon = 19 [(field_ifdef) = "USE_ENTITY_ICON"];
   EntityCategory entity_category = 20;
@@ -1143,7 +1143,7 @@ message ListEntitiesSelectResponse {
   reserved 4; // Deprecated: was string unique_id
 
   string icon = 5 [(field_ifdef) = "USE_ENTITY_ICON"];
-  repeated string options = 6 [(container_pointer) = "std::vector"];
+  repeated string options = 6 [(container_pointer_no_template) = "FixedVector<const char *>"];
   bool disabled_by_default = 7;
   EntityCategory entity_category = 8;
   uint32 device_id = 9 [(field_ifdef) = "USE_DEVICES"];

esphome/components/api/api_connection.cpp

@@ -423,7 +423,7 @@ uint16_t APIConnection::try_send_fan_info(EntityBase *entity, APIConnection *con
   msg.supports_speed = traits.supports_speed();
   msg.supports_direction = traits.supports_direction();
   msg.supported_speed_count = traits.supported_speed_count();
-  msg.supported_preset_modes = &traits.supported_preset_modes_for_api_();
+  msg.supported_preset_modes = &traits.supported_preset_modes();
   return fill_and_encode_entity_info(fan, msg, ListEntitiesFanResponse::MESSAGE_TYPE, conn, remaining_size, is_single);
 }
 void APIConnection::fan_command(const FanCommandRequest &msg) {
@@ -637,14 +637,14 @@ uint16_t APIConnection::try_send_climate_state(EntityBase *entity, APIConnection
   }
   if (traits.get_supports_fan_modes() && climate->fan_mode.has_value())
     resp.fan_mode = static_cast<enums::ClimateFanMode>(climate->fan_mode.value());
-  if (!traits.get_supported_custom_fan_modes().empty() && climate->custom_fan_mode.has_value()) {
-    resp.set_custom_fan_mode(StringRef(climate->custom_fan_mode.value()));
+  if (!traits.get_supported_custom_fan_modes().empty() && climate->has_custom_fan_mode()) {
+    resp.set_custom_fan_mode(StringRef(climate->get_custom_fan_mode()));
   }
   if (traits.get_supports_presets() && climate->preset.has_value()) {
     resp.preset = static_cast<enums::ClimatePreset>(climate->preset.value());
   }
-  if (!traits.get_supported_custom_presets().empty() && climate->custom_preset.has_value()) {
-    resp.set_custom_preset(StringRef(climate->custom_preset.value()));
+  if (!traits.get_supported_custom_presets().empty() && climate->has_custom_preset()) {
+    resp.set_custom_preset(StringRef(climate->get_custom_preset()));
   }
   if (traits.get_supports_swing_modes())
     resp.swing_mode = static_cast<enums::ClimateSwingMode>(climate->swing_mode);
@@ -669,18 +669,18 @@ uint16_t APIConnection::try_send_climate_info(EntityBase *entity, APIConnection
   msg.supports_action = traits.has_feature_flags(climate::CLIMATE_SUPPORTS_ACTION);
   // Current feature flags and other supported parameters
   msg.feature_flags = traits.get_feature_flags();
-  msg.supported_modes = &traits.get_supported_modes_for_api_();
+  msg.supported_modes = &traits.get_supported_modes();
   msg.visual_min_temperature = traits.get_visual_min_temperature();
   msg.visual_max_temperature = traits.get_visual_max_temperature();
   msg.visual_target_temperature_step = traits.get_visual_target_temperature_step();
   msg.visual_current_temperature_step = traits.get_visual_current_temperature_step();
   msg.visual_min_humidity = traits.get_visual_min_humidity();
   msg.visual_max_humidity = traits.get_visual_max_humidity();
-  msg.supported_fan_modes = &traits.get_supported_fan_modes_for_api_();
-  msg.supported_custom_fan_modes = &traits.get_supported_custom_fan_modes_for_api_();
-  msg.supported_presets = &traits.get_supported_presets_for_api_();
-  msg.supported_custom_presets = &traits.get_supported_custom_presets_for_api_();
-  msg.supported_swing_modes = &traits.get_supported_swing_modes_for_api_();
+  msg.supported_fan_modes = &traits.get_supported_fan_modes();
+  msg.supported_custom_fan_modes = &traits.get_supported_custom_fan_modes();
+  msg.supported_presets = &traits.get_supported_presets();
+  msg.supported_custom_presets = &traits.get_supported_custom_presets();
+  msg.supported_swing_modes = &traits.get_supported_swing_modes();
   return fill_and_encode_entity_info(climate, msg, ListEntitiesClimateResponse::MESSAGE_TYPE, conn, remaining_size,
                                      is_single);
 }
@@ -877,7 +877,7 @@ uint16_t APIConnection::try_send_select_state(EntityBase *entity, APIConnection
                                               bool is_single) {
   auto *select = static_cast<select::Select *>(entity);
   SelectStateResponse resp;
-  resp.set_state(StringRef(select->state));
+  resp.set_state(StringRef(select->current_option()));
   resp.missing_state = !select->has_state();
   return fill_and_encode_entity_state(select, resp, SelectStateResponse::MESSAGE_TYPE, conn, remaining_size, is_single);
 }

esphome/components/api/api_frame_helper_noise.cpp

@@ -434,8 +434,7 @@ APIError APINoiseFrameHelper::write_protobuf_packets(ProtoWriteBuffer buffer, st
     return APIError::OK;
   }
 
-  std::vector<uint8_t> *raw_buffer = buffer.get_buffer();
-  uint8_t *buffer_data = raw_buffer->data();  // Cache buffer pointer
+  uint8_t *buffer_data = buffer.get_buffer()->data();
 
   this->reusable_iovs_.clear();
   this->reusable_iovs_.reserve(packets.size());

esphome/components/api/api_frame_helper_plaintext.cpp

@@ -230,8 +230,7 @@ APIError APIPlaintextFrameHelper::write_protobuf_packets(ProtoWriteBuffer buffer
     return APIError::OK;
   }
 
-  std::vector<uint8_t> *raw_buffer = buffer.get_buffer();
-  uint8_t *buffer_data = raw_buffer->data();  // Cache buffer pointer
+  uint8_t *buffer_data = buffer.get_buffer()->data();
 
   this->reusable_iovs_.clear();
   this->reusable_iovs_.reserve(packets.size());

esphome/components/api/api_pb2.cpp

@@ -355,8 +355,8 @@ void ListEntitiesFanResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_string(10, this->icon_ref_);
 #endif
   buffer.encode_uint32(11, static_cast<uint32_t>(this->entity_category));
-  for (const auto &it : *this->supported_preset_modes) {
-    buffer.encode_string(12, it, true);
+  for (const char *it : *this->supported_preset_modes) {
+    buffer.encode_string(12, it, strlen(it), true);
   }
 #ifdef USE_DEVICES
   buffer.encode_uint32(13, this->device_id);
@@ -376,8 +376,8 @@ void ListEntitiesFanResponse::calculate_size(ProtoSize &size) const {
 #endif
   size.add_uint32(1, static_cast<uint32_t>(this->entity_category));
   if (!this->supported_preset_modes->empty()) {
-    for (const auto &it : *this->supported_preset_modes) {
-      size.add_length_force(1, it.size());
+    for (const char *it : *this->supported_preset_modes) {
+      size.add_length_force(1, strlen(it));
     }
   }
 #ifdef USE_DEVICES
@@ -1179,14 +1179,14 @@ void ListEntitiesClimateResponse::encode(ProtoWriteBuffer buffer) const {
   for (const auto &it : *this->supported_swing_modes) {
     buffer.encode_uint32(14, static_cast<uint32_t>(it), true);
   }
-  for (const auto &it : *this->supported_custom_fan_modes) {
-    buffer.encode_string(15, it, true);
+  for (const char *it : *this->supported_custom_fan_modes) {
+    buffer.encode_string(15, it, strlen(it), true);
   }
   for (const auto &it : *this->supported_presets) {
     buffer.encode_uint32(16, static_cast<uint32_t>(it), true);
   }
-  for (const auto &it : *this->supported_custom_presets) {
-    buffer.encode_string(17, it, true);
+  for (const char *it : *this->supported_custom_presets) {
+    buffer.encode_string(17, it, strlen(it), true);
   }
   buffer.encode_bool(18, this->disabled_by_default);
 #ifdef USE_ENTITY_ICON
@@ -1229,8 +1229,8 @@ void ListEntitiesClimateResponse::calculate_size(ProtoSize &size) const {
     }
   }
   if (!this->supported_custom_fan_modes->empty()) {
-    for (const auto &it : *this->supported_custom_fan_modes) {
-      size.add_length_force(1, it.size());
+    for (const char *it : *this->supported_custom_fan_modes) {
+      size.add_length_force(1, strlen(it));
     }
   }
   if (!this->supported_presets->empty()) {
@@ -1239,8 +1239,8 @@ void ListEntitiesClimateResponse::calculate_size(ProtoSize &size) const {
     }
   }
   if (!this->supported_custom_presets->empty()) {
-    for (const auto &it : *this->supported_custom_presets) {
-      size.add_length_force(2, it.size());
+    for (const char *it : *this->supported_custom_presets) {
+      size.add_length_force(2, strlen(it));
     }
   }
   size.add_bool(2, this->disabled_by_default);
@@ -1475,8 +1475,8 @@ void ListEntitiesSelectResponse::encode(ProtoWriteBuffer buffer) const {
 #ifdef USE_ENTITY_ICON
   buffer.encode_string(5, this->icon_ref_);
 #endif
-  for (const auto &it : *this->options) {
-    buffer.encode_string(6, it, true);
+  for (const char *it : *this->options) {
+    buffer.encode_string(6, it, strlen(it), true);
   }
   buffer.encode_bool(7, this->disabled_by_default);
   buffer.encode_uint32(8, static_cast<uint32_t>(this->entity_category));
@@ -1492,8 +1492,8 @@ void ListEntitiesSelectResponse::calculate_size(ProtoSize &size) const {
   size.add_length(1, this->icon_ref_.size());
 #endif
   if (!this->options->empty()) {
-    for (const auto &it : *this->options) {
-      size.add_length_force(1, it.size());
+    for (const char *it : *this->options) {
+      size.add_length_force(1, strlen(it));
     }
   }
   size.add_bool(1, this->disabled_by_default);

esphome/components/api/api_pb2.h

@@ -725,7 +725,7 @@ class ListEntitiesFanResponse final : public InfoResponseProtoMessage {
   bool supports_speed{false};
   bool supports_direction{false};
   int32_t supported_speed_count{0};
-  const std::set<std::string> *supported_preset_modes{};
+  const std::vector<const char *> *supported_preset_modes{};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
 #ifdef HAS_PROTO_MESSAGE_DUMP
@@ -1377,16 +1377,16 @@ class ListEntitiesClimateResponse final : public InfoResponseProtoMessage {
 #endif
   bool supports_current_temperature{false};
   bool supports_two_point_target_temperature{false};
-  const std::set<climate::ClimateMode> *supported_modes{};
+  const climate::ClimateModeMask *supported_modes{};
   float visual_min_temperature{0.0f};
   float visual_max_temperature{0.0f};
   float visual_target_temperature_step{0.0f};
   bool supports_action{false};
-  const std::set<climate::ClimateFanMode> *supported_fan_modes{};
-  const std::set<climate::ClimateSwingMode> *supported_swing_modes{};
-  const std::set<std::string> *supported_custom_fan_modes{};
-  const std::set<climate::ClimatePreset> *supported_presets{};
-  const std::set<std::string> *supported_custom_presets{};
+  const climate::ClimateFanModeMask *supported_fan_modes{};
+  const climate::ClimateSwingModeMask *supported_swing_modes{};
+  const std::vector<const char *> *supported_custom_fan_modes{};
+  const climate::ClimatePresetMask *supported_presets{};
+  const std::vector<const char *> *supported_custom_presets{};
   float visual_current_temperature_step{0.0f};
   bool supports_current_humidity{false};
   bool supports_target_humidity{false};
@@ -1534,7 +1534,7 @@ class ListEntitiesSelectResponse final : public InfoResponseProtoMessage {
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "list_entities_select_response"; }
 #endif
-  const std::vector<std::string> *options{};
+  const FixedVector<const char *> *options{};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
 #ifdef HAS_PROTO_MESSAGE_DUMP

esphome/components/api/api_pb2_dump.cpp

@@ -88,6 +88,12 @@ static void dump_field(std::string &out, const char *field_name, StringRef value
   out.append("\n");
 }
 
+static void dump_field(std::string &out, const char *field_name, const char *value, int indent = 2) {
+  append_field_prefix(out, field_name, indent);
+  out.append("'").append(value).append("'");
+  out.append("\n");
+}
+
 template<typename T> static void dump_field(std::string &out, const char *field_name, T value, int indent = 2) {
   append_field_prefix(out, field_name, indent);
   out.append(proto_enum_to_string<T>(value));

esphome/components/bedjet/bedjet_const.h

@@ -99,9 +99,7 @@ enum BedjetCommand : uint8_t {
 
 static const uint8_t BEDJET_FAN_SPEED_COUNT = 20;
 
-static const char *const BEDJET_FAN_STEP_NAMES[BEDJET_FAN_SPEED_COUNT] = BEDJET_FAN_STEP_NAMES_;
-static const std::string BEDJET_FAN_STEP_NAME_STRINGS[BEDJET_FAN_SPEED_COUNT] = BEDJET_FAN_STEP_NAMES_;
-static const std::set<std::string> BEDJET_FAN_STEP_NAMES_SET BEDJET_FAN_STEP_NAMES_;
+static constexpr const char *const BEDJET_FAN_STEP_NAMES[BEDJET_FAN_SPEED_COUNT] = BEDJET_FAN_STEP_NAMES_;
 
 }  // namespace bedjet
 }  // namespace esphome

esphome/components/bedjet/climate/bedjet_climate.cpp

@@ -8,15 +8,15 @@ namespace bedjet {
 
 using namespace esphome::climate;
 
-static const std::string *bedjet_fan_step_to_fan_mode(const uint8_t fan_step) {
+static const char *bedjet_fan_step_to_fan_mode(const uint8_t fan_step) {
   if (fan_step < BEDJET_FAN_SPEED_COUNT)
-    return &BEDJET_FAN_STEP_NAME_STRINGS[fan_step];
+    return BEDJET_FAN_STEP_NAMES[fan_step];
   return nullptr;
 }
 
-static uint8_t bedjet_fan_speed_to_step(const std::string &fan_step_percent) {
+static uint8_t bedjet_fan_speed_to_step(const char *fan_step_percent) {
   for (int i = 0; i < BEDJET_FAN_SPEED_COUNT; i++) {
-    if (fan_step_percent == BEDJET_FAN_STEP_NAME_STRINGS[i]) {
+    if (strcmp(BEDJET_FAN_STEP_NAMES[i], fan_step_percent) == 0) {
       return i;
     }
   }
@@ -48,7 +48,7 @@ void BedJetClimate::dump_config() {
     ESP_LOGCONFIG(TAG, "   - %s", LOG_STR_ARG(climate_fan_mode_to_string(mode)));
   }
   for (const auto &mode : traits.get_supported_custom_fan_modes()) {
-    ESP_LOGCONFIG(TAG, "   - %s (c)", mode.c_str());
+    ESP_LOGCONFIG(TAG, "   - %s (c)", mode);
   }
 
   ESP_LOGCONFIG(TAG, "  Supported presets:");
@@ -56,7 +56,7 @@ void BedJetClimate::dump_config() {
     ESP_LOGCONFIG(TAG, "   - %s", LOG_STR_ARG(climate_preset_to_string(preset)));
   }
   for (const auto &preset : traits.get_supported_custom_presets()) {
-    ESP_LOGCONFIG(TAG, "   - %s (c)", preset.c_str());
+    ESP_LOGCONFIG(TAG, "   - %s (c)", preset);
   }
 }
 
@@ -79,7 +79,7 @@ void BedJetClimate::reset_state_() {
   this->target_temperature = NAN;
   this->current_temperature = NAN;
   this->preset.reset();
-  this->custom_preset.reset();
+  this->clear_custom_preset_();
   this->publish_state();
 }
 
@@ -120,7 +120,7 @@ void BedJetClimate::control(const ClimateCall &call) {
     if (button_result) {
       this->mode = mode;
       // We're using (custom) preset for Turbo, EXT HT, & M1-3 presets, so changing climate mode will clear those
-      this->custom_preset.reset();
+      this->clear_custom_preset_();
       this->preset.reset();
     }
   }
@@ -144,8 +144,7 @@ void BedJetClimate::control(const ClimateCall &call) {
 
       if (result) {
         this->mode = CLIMATE_MODE_HEAT;
-        this->preset = CLIMATE_PRESET_BOOST;
-        this->custom_preset.reset();
+        this->set_preset_(CLIMATE_PRESET_BOOST);
       }
     } else if (preset == CLIMATE_PRESET_NONE && this->preset.has_value()) {
       if (this->mode == CLIMATE_MODE_HEAT && this->preset == CLIMATE_PRESET_BOOST) {
@@ -153,7 +152,7 @@ void BedJetClimate::control(const ClimateCall &call) {
         result = this->parent_->send_button(heat_button(this->heating_mode_));
         if (result) {
           this->preset.reset();
-          this->custom_preset.reset();
+          this->clear_custom_preset_();
         }
       } else {
         ESP_LOGD(TAG, "Ignoring preset '%s' call; with current mode '%s' and preset '%s'",
@@ -164,28 +163,27 @@ void BedJetClimate::control(const ClimateCall &call) {
       ESP_LOGW(TAG, "Unsupported preset: %d", preset);
       return;
     }
-  } else if (call.get_custom_preset().has_value()) {
-    std::string preset = *call.get_custom_preset();
+  } else if (call.has_custom_preset()) {
+    const char *preset = call.get_custom_preset();
     bool result;
 
-    if (preset == "M1") {
+    if (strcmp(preset, "M1") == 0) {
       result = this->parent_->button_memory1();
-    } else if (preset == "M2") {
+    } else if (strcmp(preset, "M2") == 0) {
       result = this->parent_->button_memory2();
-    } else if (preset == "M3") {
+    } else if (strcmp(preset, "M3") == 0) {
       result = this->parent_->button_memory3();
-    } else if (preset == "LTD HT") {
+    } else if (strcmp(preset, "LTD HT") == 0) {
       result = this->parent_->button_heat();
-    } else if (preset == "EXT HT") {
+    } else if (strcmp(preset, "EXT HT") == 0) {
       result = this->parent_->button_ext_heat();
     } else {
-      ESP_LOGW(TAG, "Unsupported preset: %s", preset.c_str());
+      ESP_LOGW(TAG, "Unsupported preset: %s", preset);
       return;
     }
 
     if (result) {
-      this->custom_preset = preset;
-      this->preset.reset();
+      this->set_custom_preset_(preset);
     }
   }
 
@@ -207,19 +205,16 @@ void BedJetClimate::control(const ClimateCall &call) {
     }
 
     if (result) {
-      this->fan_mode = fan_mode;
-      this->custom_fan_mode.reset();
+      this->set_fan_mode_(fan_mode);
     }
-  } else if (call.get_custom_fan_mode().has_value()) {
-    auto fan_mode = *call.get_custom_fan_mode();
+  } else if (call.has_custom_fan_mode()) {
+    const char *fan_mode = call.get_custom_fan_mode();
     auto fan_index = bedjet_fan_speed_to_step(fan_mode);
     if (fan_index <= 19) {
-      ESP_LOGV(TAG, "[%s] Converted fan mode %s to bedjet fan step %d", this->get_name().c_str(), fan_mode.c_str(),
-               fan_index);
+      ESP_LOGV(TAG, "[%s] Converted fan mode %s to bedjet fan step %d", this->get_name().c_str(), fan_mode, fan_index);
       bool result = this->parent_->set_fan_index(fan_index);
       if (result) {
-        this->custom_fan_mode = fan_mode;
-        this->fan_mode.reset();
+        this->set_custom_fan_mode_(fan_mode);
       }
     }
   }
@@ -245,7 +240,7 @@ void BedJetClimate::on_status(const BedjetStatusPacket *data) {
 
   const auto *fan_mode_name = bedjet_fan_step_to_fan_mode(data->fan_step);
   if (fan_mode_name != nullptr) {
-    this->custom_fan_mode = *fan_mode_name;
+    this->set_custom_fan_mode_(fan_mode_name);
   }
 
   // TODO: Get biorhythm data to determine which preset (M1-3) is running, if any.
@@ -255,7 +250,7 @@ void BedJetClimate::on_status(const BedjetStatusPacket *data) {
       this->mode = CLIMATE_MODE_OFF;
       this->action = CLIMATE_ACTION_IDLE;
       this->fan_mode = CLIMATE_FAN_OFF;
-      this->custom_preset.reset();
+      this->clear_custom_preset_();
       this->preset.reset();
       break;
 
@@ -266,7 +261,7 @@ void BedJetClimate::on_status(const BedjetStatusPacket *data) {
       if (this->heating_mode_ == HEAT_MODE_EXTENDED) {
         this->set_custom_preset_("LTD HT");
       } else {
-        this->custom_preset.reset();
+        this->clear_custom_preset_();
       }
       break;
 
@@ -275,7 +270,7 @@ void BedJetClimate::on_status(const BedjetStatusPacket *data) {
       this->action = CLIMATE_ACTION_HEATING;
       this->preset.reset();
       if (this->heating_mode_ == HEAT_MODE_EXTENDED) {
-        this->custom_preset.reset();
+        this->clear_custom_preset_();
       } else {
         this->set_custom_preset_("EXT HT");
       }
@@ -284,20 +279,19 @@ void BedJetClimate::on_status(const BedjetStatusPacket *data) {
     case MODE_COOL:
       this->mode = CLIMATE_MODE_FAN_ONLY;
       this->action = CLIMATE_ACTION_COOLING;
-      this->custom_preset.reset();
+      this->clear_custom_preset_();
       this->preset.reset();
       break;
 
     case MODE_DRY:
       this->mode = CLIMATE_MODE_DRY;
       this->action = CLIMATE_ACTION_DRYING;
-      this->custom_preset.reset();
+      this->clear_custom_preset_();
       this->preset.reset();
       break;
 
     case MODE_TURBO:
-      this->preset = CLIMATE_PRESET_BOOST;
-      this->custom_preset.reset();
+      this->set_preset_(CLIMATE_PRESET_BOOST);
       this->mode = CLIMATE_MODE_HEAT;
       this->action = CLIMATE_ACTION_HEATING;
       break;

esphome/components/bedjet/climate/bedjet_climate.h

@@ -43,28 +43,20 @@ class BedJetClimate : public climate::Climate, public BedJetClient, public Polli
     });
 
     // It would be better if we had a slider for the fan modes.
-    traits.set_supported_custom_fan_modes(BEDJET_FAN_STEP_NAMES_SET);
+    traits.set_supported_custom_fan_modes(BEDJET_FAN_STEP_NAMES);
     traits.set_supported_presets({
         // If we support NONE, then have to decide what happens if the user switches to it (turn off?)
         // climate::CLIMATE_PRESET_NONE,
         // Climate doesn't have a "TURBO" mode, but we can use the BOOST preset instead.
         climate::CLIMATE_PRESET_BOOST,
     });
+    // String literals are stored in rodata and valid for program lifetime
     traits.set_supported_custom_presets({
-        // We could fetch biodata from bedjet and set these names that way.
-        // But then we have to invert the lookup in order to send the right preset.
-        // For now, we can leave them as M1-3 to match the remote buttons.
-        // EXT HT added to match remote button.
-        "EXT HT",
+        this->heating_mode_ == HEAT_MODE_EXTENDED ? "LTD HT" : "EXT HT",
         "M1",
         "M2",
         "M3",
     });
-    if (this->heating_mode_ == HEAT_MODE_EXTENDED) {
-      traits.add_supported_custom_preset("LTD HT");
-    } else {
-      traits.add_supported_custom_preset("EXT HT");
-    }
     traits.set_visual_min_temperature(19.0);
     traits.set_visual_max_temperature(43.0);
     traits.set_visual_temperature_step(1.0);

esphome/components/binary_sensor/__init__.py

@@ -548,11 +548,6 @@ def binary_sensor_schema(
     return _BINARY_SENSOR_SCHEMA.extend(schema)
 
 
-# Remove before 2025.11.0
-BINARY_SENSOR_SCHEMA = binary_sensor_schema()
-BINARY_SENSOR_SCHEMA.add_extra(cv.deprecated_schema_constant("binary_sensor"))
-
-
 async def setup_binary_sensor_core_(var, config):
     await setup_entity(var, config, "binary_sensor")
 

esphome/components/ble_client/sensor/ble_sensor.cpp

@@ -77,6 +77,9 @@ void BLESensor::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_t ga
         }
       } else {
         this->node_state = espbt::ClientState::ESTABLISHED;
+        // For non-notify characteristics, trigger an immediate read after service discovery
+        // to avoid peripherals disconnecting due to inactivity
+        this->update();
       }
       break;
     }

esphome/components/ble_client/text_sensor/ble_text_sensor.cpp

@@ -79,6 +79,9 @@ void BLETextSensor::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_
         }
       } else {
         this->node_state = espbt::ClientState::ESTABLISHED;
+        // For non-notify characteristics, trigger an immediate read after service discovery
+        // to avoid peripherals disconnecting due to inactivity
+        this->update();
       }
       break;
     }

esphome/components/button/__init__.py

@@ -84,11 +84,6 @@ def button_schema(
     return _BUTTON_SCHEMA.extend(schema)
 
 
-# Remove before 2025.11.0
-BUTTON_SCHEMA = button_schema(Button)
-BUTTON_SCHEMA.add_extra(cv.deprecated_schema_constant("button"))
-
-
 async def setup_button_core_(var, config):
     await setup_entity(var, config, "button")
 

esphome/components/climate/__init__.py

@@ -270,11 +270,6 @@ def climate_schema(
     return _CLIMATE_SCHEMA.extend(schema)
 
 
-# Remove before 2025.11.0
-CLIMATE_SCHEMA = climate_schema(Climate)
-CLIMATE_SCHEMA.add_extra(cv.deprecated_schema_constant("climate"))
-
-
 async def setup_climate_core_(var, config):
     await setup_entity(var, config, "climate")
 

esphome/components/climate/climate.cpp

@@ -50,21 +50,21 @@ void ClimateCall::perform() {
     const LogString *mode_s = climate_mode_to_string(*this->mode_);
     ESP_LOGD(TAG, "  Mode: %s", LOG_STR_ARG(mode_s));
   }
-  if (this->custom_fan_mode_.has_value()) {
+  if (this->custom_fan_mode_ != nullptr) {
     this->fan_mode_.reset();
-    ESP_LOGD(TAG, " Custom Fan: %s", this->custom_fan_mode_.value().c_str());
+    ESP_LOGD(TAG, " Custom Fan: %s", this->custom_fan_mode_);
   }
   if (this->fan_mode_.has_value()) {
-    this->custom_fan_mode_.reset();
+    this->custom_fan_mode_ = nullptr;
     const LogString *fan_mode_s = climate_fan_mode_to_string(*this->fan_mode_);
     ESP_LOGD(TAG, "  Fan: %s", LOG_STR_ARG(fan_mode_s));
   }
-  if (this->custom_preset_.has_value()) {
+  if (this->custom_preset_ != nullptr) {
     this->preset_.reset();
-    ESP_LOGD(TAG, " Custom Preset: %s", this->custom_preset_.value().c_str());
+    ESP_LOGD(TAG, " Custom Preset: %s", this->custom_preset_);
   }
   if (this->preset_.has_value()) {
-    this->custom_preset_.reset();
+    this->custom_preset_ = nullptr;
     const LogString *preset_s = climate_preset_to_string(*this->preset_);
     ESP_LOGD(TAG, "  Preset: %s", LOG_STR_ARG(preset_s));
   }
@@ -96,11 +96,10 @@ void ClimateCall::validate_() {
       this->mode_.reset();
     }
   }
-  if (this->custom_fan_mode_.has_value()) {
-    auto custom_fan_mode = *this->custom_fan_mode_;
-    if (!traits.supports_custom_fan_mode(custom_fan_mode)) {
-      ESP_LOGW(TAG, "  Fan Mode %s not supported", custom_fan_mode.c_str());
-      this->custom_fan_mode_.reset();
+  if (this->custom_fan_mode_ != nullptr) {
+    if (!traits.supports_custom_fan_mode(this->custom_fan_mode_)) {
+      ESP_LOGW(TAG, "  Fan Mode %s not supported", this->custom_fan_mode_);
+      this->custom_fan_mode_ = nullptr;
     }
   } else if (this->fan_mode_.has_value()) {
     auto fan_mode = *this->fan_mode_;
@@ -109,11 +108,10 @@ void ClimateCall::validate_() {
       this->fan_mode_.reset();
     }
   }
-  if (this->custom_preset_.has_value()) {
-    auto custom_preset = *this->custom_preset_;
-    if (!traits.supports_custom_preset(custom_preset)) {
-      ESP_LOGW(TAG, "  Preset %s not supported", custom_preset.c_str());
-      this->custom_preset_.reset();
+  if (this->custom_preset_ != nullptr) {
+    if (!traits.supports_custom_preset(this->custom_preset_)) {
+      ESP_LOGW(TAG, "  Preset %s not supported", this->custom_preset_);
+      this->custom_preset_ = nullptr;
     }
   } else if (this->preset_.has_value()) {
     auto preset = *this->preset_;
@@ -186,26 +184,29 @@ ClimateCall &ClimateCall::set_mode(const std::string &mode) {
 
 ClimateCall &ClimateCall::set_fan_mode(ClimateFanMode fan_mode) {
   this->fan_mode_ = fan_mode;
-  this->custom_fan_mode_.reset();
+  this->custom_fan_mode_ = nullptr;
   return *this;
 }
 
-ClimateCall &ClimateCall::set_fan_mode(const std::string &fan_mode) {
+ClimateCall &ClimateCall::set_fan_mode(const char *custom_fan_mode) {
+  // Check if it's a standard enum mode first
   for (const auto &mode_entry : CLIMATE_FAN_MODES_BY_STR) {
-    if (str_equals_case_insensitive(fan_mode, mode_entry.str)) {
-      this->set_fan_mode(static_cast<ClimateFanMode>(mode_entry.value));
-      return *this;
+    if (str_equals_case_insensitive(custom_fan_mode, mode_entry.str)) {
+      return this->set_fan_mode(static_cast<ClimateFanMode>(mode_entry.value));
     }
   }
-  if (this->parent_->get_traits().supports_custom_fan_mode(fan_mode)) {
-    this->custom_fan_mode_ = fan_mode;
+  // Find the matching pointer from parent climate device
+  if (const char *mode_ptr = this->parent_->find_custom_fan_mode_(custom_fan_mode)) {
+    this->custom_fan_mode_ = mode_ptr;
     this->fan_mode_.reset();
-  } else {
-    ESP_LOGW(TAG, "'%s' - Unrecognized fan mode %s", this->parent_->get_name().c_str(), fan_mode.c_str());
+    return *this;
   }
+  ESP_LOGW(TAG, "'%s' - Unrecognized fan mode %s", this->parent_->get_name().c_str(), 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());
@@ -215,26 +216,29 @@ ClimateCall &ClimateCall::set_fan_mode(optional<std::string> fan_mode) {
 
 ClimateCall &ClimateCall::set_preset(ClimatePreset preset) {
   this->preset_ = preset;
-  this->custom_preset_.reset();
+  this->custom_preset_ = nullptr;
   return *this;
 }
 
-ClimateCall &ClimateCall::set_preset(const std::string &preset) {
+ClimateCall &ClimateCall::set_preset(const char *custom_preset) {
+  // Check if it's a standard enum preset first
   for (const auto &preset_entry : CLIMATE_PRESETS_BY_STR) {
-    if (str_equals_case_insensitive(preset, preset_entry.str)) {
-      this->set_preset(static_cast<ClimatePreset>(preset_entry.value));
-      return *this;
+    if (str_equals_case_insensitive(custom_preset, preset_entry.str)) {
+      return this->set_preset(static_cast<ClimatePreset>(preset_entry.value));
     }
   }
-  if (this->parent_->get_traits().supports_custom_preset(preset)) {
-    this->custom_preset_ = preset;
+  // Find the matching pointer from parent climate device
+  if (const char *preset_ptr = this->parent_->find_custom_preset_(custom_preset)) {
+    this->custom_preset_ = preset_ptr;
     this->preset_.reset();
-  } else {
-    ESP_LOGW(TAG, "'%s' - Unrecognized preset %s", this->parent_->get_name().c_str(), preset.c_str());
+    return *this;
   }
+  ESP_LOGW(TAG, "'%s' - Unrecognized preset %s", this->parent_->get_name().c_str(), 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());
@@ -287,8 +291,6 @@ const optional<ClimateMode> &ClimateCall::get_mode() const { return this->mode_;
 const optional<ClimateFanMode> &ClimateCall::get_fan_mode() const { return this->fan_mode_; }
 const optional<ClimateSwingMode> &ClimateCall::get_swing_mode() const { return this->swing_mode_; }
 const optional<ClimatePreset> &ClimateCall::get_preset() const { return this->preset_; }
-const optional<std::string> &ClimateCall::get_custom_fan_mode() const { return this->custom_fan_mode_; }
-const optional<std::string> &ClimateCall::get_custom_preset() const { return this->custom_preset_; }
 
 ClimateCall &ClimateCall::set_target_temperature_high(optional<float> target_temperature_high) {
   this->target_temperature_high_ = target_temperature_high;
@@ -317,13 +319,13 @@ ClimateCall &ClimateCall::set_mode(optional<ClimateMode> mode) {
 
 ClimateCall &ClimateCall::set_fan_mode(optional<ClimateFanMode> fan_mode) {
   this->fan_mode_ = fan_mode;
-  this->custom_fan_mode_.reset();
+  this->custom_fan_mode_ = nullptr;
   return *this;
 }
 
 ClimateCall &ClimateCall::set_preset(optional<ClimatePreset> preset) {
   this->preset_ = preset;
-  this->custom_preset_.reset();
+  this->custom_preset_ = nullptr;
   return *this;
 }
 
@@ -382,13 +384,13 @@ void Climate::save_state_() {
     state.uses_custom_fan_mode = false;
     state.fan_mode = this->fan_mode.value();
   }
-  if (!traits.get_supported_custom_fan_modes().empty() && custom_fan_mode.has_value()) {
+  if (!traits.get_supported_custom_fan_modes().empty() && this->has_custom_fan_mode()) {
     state.uses_custom_fan_mode = true;
     const auto &supported = traits.get_supported_custom_fan_modes();
-    // std::set has consistent order (lexicographic for strings)
+    // std::vector maintains insertion order
     size_t i = 0;
-    for (const auto &mode : supported) {
-      if (mode == custom_fan_mode) {
+    for (const char *mode : supported) {
+      if (strcmp(mode, this->custom_fan_mode_) == 0) {
         state.custom_fan_mode = i;
         break;
       }
@@ -399,13 +401,13 @@ void Climate::save_state_() {
     state.uses_custom_preset = false;
     state.preset = this->preset.value();
   }
-  if (!traits.get_supported_custom_presets().empty() && custom_preset.has_value()) {
+  if (!traits.get_supported_custom_presets().empty() && this->has_custom_preset()) {
     state.uses_custom_preset = true;
     const auto &supported = traits.get_supported_custom_presets();
-    // std::set has consistent order (lexicographic for strings)
+    // std::vector maintains insertion order
     size_t i = 0;
-    for (const auto &preset : supported) {
-      if (preset == custom_preset) {
+    for (const char *preset : supported) {
+      if (strcmp(preset, this->custom_preset_) == 0) {
         state.custom_preset = i;
         break;
       }
@@ -430,14 +432,14 @@ void Climate::publish_state() {
   if (traits.get_supports_fan_modes() && this->fan_mode.has_value()) {
     ESP_LOGD(TAG, "  Fan Mode: %s", LOG_STR_ARG(climate_fan_mode_to_string(this->fan_mode.value())));
   }
-  if (!traits.get_supported_custom_fan_modes().empty() && this->custom_fan_mode.has_value()) {
-    ESP_LOGD(TAG, "  Custom Fan Mode: %s", this->custom_fan_mode.value().c_str());
+  if (!traits.get_supported_custom_fan_modes().empty() && this->has_custom_fan_mode()) {
+    ESP_LOGD(TAG, "  Custom Fan Mode: %s", this->custom_fan_mode_);
   }
   if (traits.get_supports_presets() && this->preset.has_value()) {
     ESP_LOGD(TAG, "  Preset: %s", LOG_STR_ARG(climate_preset_to_string(this->preset.value())));
   }
-  if (!traits.get_supported_custom_presets().empty() && this->custom_preset.has_value()) {
-    ESP_LOGD(TAG, "  Custom Preset: %s", this->custom_preset.value().c_str());
+  if (!traits.get_supported_custom_presets().empty() && this->has_custom_preset()) {
+    ESP_LOGD(TAG, "  Custom Preset: %s", this->custom_preset_);
   }
   if (traits.get_supports_swing_modes()) {
     ESP_LOGD(TAG, "  Swing Mode: %s", LOG_STR_ARG(climate_swing_mode_to_string(this->swing_mode)));
@@ -527,7 +529,7 @@ ClimateCall ClimateDeviceRestoreState::to_call(Climate *climate) {
   if (this->uses_custom_fan_mode) {
     if (this->custom_fan_mode < traits.get_supported_custom_fan_modes().size()) {
       call.fan_mode_.reset();
-      call.custom_fan_mode_ = *std::next(traits.get_supported_custom_fan_modes().cbegin(), this->custom_fan_mode);
+      call.custom_fan_mode_ = traits.get_supported_custom_fan_modes()[this->custom_fan_mode];
     }
   } else if (traits.supports_fan_mode(this->fan_mode)) {
     call.set_fan_mode(this->fan_mode);
@@ -535,7 +537,7 @@ ClimateCall ClimateDeviceRestoreState::to_call(Climate *climate) {
   if (this->uses_custom_preset) {
     if (this->custom_preset < traits.get_supported_custom_presets().size()) {
       call.preset_.reset();
-      call.custom_preset_ = *std::next(traits.get_supported_custom_presets().cbegin(), this->custom_preset);
+      call.custom_preset_ = traits.get_supported_custom_presets()[this->custom_preset];
     }
   } else if (traits.supports_preset(this->preset)) {
     call.set_preset(this->preset);
@@ -562,20 +564,20 @@ void ClimateDeviceRestoreState::apply(Climate *climate) {
   if (this->uses_custom_fan_mode) {
     if (this->custom_fan_mode < traits.get_supported_custom_fan_modes().size()) {
       climate->fan_mode.reset();
-      climate->custom_fan_mode = *std::next(traits.get_supported_custom_fan_modes().cbegin(), this->custom_fan_mode);
+      climate->custom_fan_mode_ = traits.get_supported_custom_fan_modes()[this->custom_fan_mode];
     }
   } else if (traits.supports_fan_mode(this->fan_mode)) {
     climate->fan_mode = this->fan_mode;
-    climate->custom_fan_mode.reset();
+    climate->clear_custom_fan_mode_();
   }
   if (this->uses_custom_preset) {
     if (this->custom_preset < traits.get_supported_custom_presets().size()) {
       climate->preset.reset();
-      climate->custom_preset = *std::next(traits.get_supported_custom_presets().cbegin(), this->custom_preset);
+      climate->custom_preset_ = traits.get_supported_custom_presets()[this->custom_preset];
     }
   } else if (traits.supports_preset(this->preset)) {
     climate->preset = this->preset;
-    climate->custom_preset.reset();
+    climate->clear_custom_preset_();
   }
   if (traits.supports_swing_mode(this->swing_mode)) {
     climate->swing_mode = this->swing_mode;
@@ -583,28 +585,107 @@ void ClimateDeviceRestoreState::apply(Climate *climate) {
   climate->publish_state();
 }
 
-template<typename T1, typename T2> bool set_alternative(optional<T1> &dst, optional<T2> &alt, const T1 &src) {
-  bool is_changed = alt.has_value();
-  alt.reset();
-  if (is_changed || dst != src) {
-    dst = src;
-    is_changed = true;
+/** Template helper for setting primary modes (fan_mode, preset) with mutual exclusion.
+ *
+ * Climate devices have mutually exclusive mode pairs:
+ *   - fan_mode (enum) vs custom_fan_mode_ (const char*)
+ *   - preset (enum) vs custom_preset_ (const char*)
+ *
+ * Only one mode in each pair can be active at a time. This helper ensures setting a primary
+ * mode automatically clears its corresponding custom mode.
+ *
+ * Example state transitions:
+ *   Before: custom_fan_mode_="Turbo", fan_mode=nullopt
+ *   Call:   set_fan_mode_(CLIMATE_FAN_HIGH)
+ *   After:  custom_fan_mode_=nullptr,   fan_mode=CLIMATE_FAN_HIGH
+ *
+ * @param primary The primary mode optional (fan_mode or preset)
+ * @param custom_ptr Reference to the custom mode pointer (custom_fan_mode_ or custom_preset_)
+ * @param value The new primary mode value to set
+ * @return true if state changed, false if already set to this value
+ */
+template<typename T> bool set_primary_mode(optional<T> &primary, const char *&custom_ptr, T value) {
+  // Clear the custom mode (mutual exclusion)
+  bool changed = custom_ptr != nullptr;
+  custom_ptr = nullptr;
+  // Set the primary mode
+  if (changed || !primary.has_value() || primary.value() != value) {
+    primary = value;
+    return true;
   }
-  return is_changed;
+  return false;
+}
+
+/** Template helper for setting custom modes (custom_fan_mode_, custom_preset_) with mutual exclusion.
+ *
+ * This helper ensures setting a custom mode automatically clears its corresponding primary mode.
+ * It also validates that the custom mode exists in the device's supported modes (lifetime safety).
+ *
+ * Example state transitions:
+ *   Before: fan_mode=CLIMATE_FAN_HIGH, custom_fan_mode_=nullptr
+ *   Call:   set_custom_fan_mode_("Turbo")
+ *   After:  fan_mode=nullopt,          custom_fan_mode_="Turbo" (pointer from traits)
+ *
+ * Lifetime Safety:
+ *   - found_ptr must come from traits.find_custom_*_mode_()
+ *   - Only pointers found in traits are stored, ensuring they remain valid
+ *   - Prevents dangling pointers from temporary strings
+ *
+ * @param custom_ptr Reference to the custom mode pointer to set
+ * @param primary The primary mode optional to clear
+ * @param found_ptr The validated pointer from traits (nullptr if not found)
+ * @param has_custom Whether a custom mode is currently active
+ * @return true if state changed, false otherwise
+ */
+template<typename T>
+bool set_custom_mode(const char *&custom_ptr, optional<T> &primary, const char *found_ptr, bool has_custom) {
+  if (found_ptr != nullptr) {
+    // Clear the primary mode (mutual exclusion)
+    bool changed = primary.has_value();
+    primary.reset();
+    // Set the custom mode (pointer is validated by caller from traits)
+    if (changed || custom_ptr != found_ptr) {
+      custom_ptr = found_ptr;
+      return true;
+    }
+    return false;
+  }
+  // Mode not found in supported modes, clear it if currently set
+  if (has_custom) {
+    custom_ptr = nullptr;
+    return true;
+  }
+  return false;
 }
 
 bool Climate::set_fan_mode_(ClimateFanMode mode) {
-  return set_alternative(this->fan_mode, this->custom_fan_mode, mode);
+  return set_primary_mode(this->fan_mode, this->custom_fan_mode_, mode);
 }
 
-bool Climate::set_custom_fan_mode_(const std::string &mode) {
-  return set_alternative(this->custom_fan_mode, this->fan_mode, mode);
+bool Climate::set_custom_fan_mode_(const char *mode) {
+  auto traits = this->get_traits();
+  return set_custom_mode<ClimateFanMode>(this->custom_fan_mode_, this->fan_mode, traits.find_custom_fan_mode_(mode),
+                                         this->has_custom_fan_mode());
 }
 
-bool Climate::set_preset_(ClimatePreset preset) { return set_alternative(this->preset, this->custom_preset, preset); }
+void Climate::clear_custom_fan_mode_() { this->custom_fan_mode_ = nullptr; }
 
-bool Climate::set_custom_preset_(const std::string &preset) {
-  return set_alternative(this->custom_preset, this->preset, preset);
+bool Climate::set_preset_(ClimatePreset preset) { return set_primary_mode(this->preset, this->custom_preset_, preset); }
+
+bool Climate::set_custom_preset_(const char *preset) {
+  auto traits = this->get_traits();
+  return set_custom_mode<ClimatePreset>(this->custom_preset_, this->preset, traits.find_custom_preset_(preset),
+                                        this->has_custom_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);
+}
+
+const char *Climate::find_custom_preset_(const char *custom_preset) {
+  return this->get_traits().find_custom_preset_(custom_preset);
 }
 
 void Climate::dump_traits_(const char *tag) {
@@ -656,8 +737,8 @@ void Climate::dump_traits_(const char *tag) {
   }
   if (!traits.get_supported_custom_fan_modes().empty()) {
     ESP_LOGCONFIG(tag, "  Supported custom fan modes:");
-    for (const std::string &s : traits.get_supported_custom_fan_modes())
-      ESP_LOGCONFIG(tag, "  - %s", s.c_str());
+    for (const char *s : traits.get_supported_custom_fan_modes())
+      ESP_LOGCONFIG(tag, "  - %s", s);
   }
   if (!traits.get_supported_presets().empty()) {
     ESP_LOGCONFIG(tag, "  Supported presets:");
@@ -666,8 +747,8 @@ void Climate::dump_traits_(const char *tag) {
   }
   if (!traits.get_supported_custom_presets().empty()) {
     ESP_LOGCONFIG(tag, "  Supported custom presets:");
-    for (const std::string &s : traits.get_supported_custom_presets())
-      ESP_LOGCONFIG(tag, "  - %s", s.c_str());
+    for (const char *s : traits.get_supported_custom_presets())
+      ESP_LOGCONFIG(tag, "  - %s", s);
   }
   if (!traits.get_supported_swing_modes().empty()) {
     ESP_LOGCONFIG(tag, "  Supported swing modes:");

esphome/components/climate/climate.h

@@ -77,6 +77,8 @@ class ClimateCall {
   ClimateCall &set_fan_mode(const std::string &fan_mode);
   /// Set the fan mode of the climate device based on a string.
   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 swing mode of the climate device.
   ClimateCall &set_swing_mode(ClimateSwingMode swing_mode);
   /// Set the swing mode of the climate device.
@@ -91,6 +93,8 @@ class ClimateCall {
   ClimateCall &set_preset(const std::string &preset);
   /// Set the preset of the climate device based on a string.
   ClimateCall &set_preset(optional<std::string> preset);
+  /// Set the custom preset of the climate device.
+  ClimateCall &set_preset(const char *custom_preset);
 
   void perform();
 
@@ -103,8 +107,10 @@ class ClimateCall {
   const optional<ClimateFanMode> &get_fan_mode() const;
   const optional<ClimateSwingMode> &get_swing_mode() const;
   const optional<ClimatePreset> &get_preset() const;
-  const optional<std::string> &get_custom_fan_mode() const;
-  const optional<std::string> &get_custom_preset() const;
+  const char *get_custom_fan_mode() const { return this->custom_fan_mode_; }
+  const char *get_custom_preset() const { return this->custom_preset_; }
+  bool has_custom_fan_mode() const { return this->custom_fan_mode_ != nullptr; }
+  bool has_custom_preset() const { return this->custom_preset_ != nullptr; }
 
  protected:
   void validate_();
@@ -118,8 +124,10 @@ class ClimateCall {
   optional<ClimateFanMode> fan_mode_;
   optional<ClimateSwingMode> swing_mode_;
   optional<ClimatePreset> preset_;
-  optional<std::string> custom_fan_mode_;
-  optional<std::string> custom_preset_;
+
+ private:
+  const char *custom_fan_mode_{nullptr};
+  const char *custom_preset_{nullptr};
 };
 
 /// Struct used to save the state of the climate device in restore memory.
@@ -212,6 +220,12 @@ class Climate : public EntityBase {
   void set_visual_min_humidity_override(float visual_min_humidity_override);
   void set_visual_max_humidity_override(float visual_max_humidity_override);
 
+  /// Check if a custom fan mode is currently active.
+  bool has_custom_fan_mode() const { return this->custom_fan_mode_ != nullptr; }
+
+  /// Check if a custom preset is currently active.
+  bool has_custom_preset() const { return this->custom_preset_ != nullptr; }
+
   /// The current temperature of the climate device, as reported from the integration.
   float current_temperature{NAN};
 
@@ -238,12 +252,6 @@ class Climate : public EntityBase {
   /// The active preset of the climate device.
   optional<ClimatePreset> preset;
 
-  /// The active custom fan mode of the climate device.
-  optional<std::string> custom_fan_mode;
-
-  /// The active custom preset mode of the climate device.
-  optional<std::string> custom_preset;
-
   /// The active mode of the climate device.
   ClimateMode mode{CLIMATE_MODE_OFF};
 
@@ -253,20 +261,37 @@ class Climate : public EntityBase {
   /// The active swing mode of the climate device.
   ClimateSwingMode swing_mode{CLIMATE_SWING_OFF};
 
+  /// Get the active custom fan mode (read-only access).
+  const char *get_custom_fan_mode() const { return this->custom_fan_mode_; }
+
+  /// Get the active custom preset (read-only access).
+  const char *get_custom_preset() const { return this->custom_preset_; }
+
  protected:
   friend ClimateCall;
+  friend struct ClimateDeviceRestoreState;
 
   /// Set fan mode. Reset custom fan mode. Return true if fan mode has been changed.
   bool set_fan_mode_(ClimateFanMode mode);
 
   /// Set custom fan mode. Reset primary fan mode. Return true if fan mode has been changed.
-  bool set_custom_fan_mode_(const std::string &mode);
+  bool set_custom_fan_mode_(const char *mode);
+  /// Clear custom fan mode.
+  void clear_custom_fan_mode_();
 
   /// Set preset. Reset custom preset. Return true if preset has been changed.
   bool set_preset_(ClimatePreset preset);
 
   /// Set custom preset. Reset primary preset. Return true if preset has been changed.
-  bool set_custom_preset_(const std::string &preset);
+  bool set_custom_preset_(const char *preset);
+  /// Clear custom preset.
+  void clear_custom_preset_();
+
+  /// 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);
+
+  /// Find and return the matching custom preset pointer from traits, or nullptr if not found.
+  const char *find_custom_preset_(const char *custom_preset);
 
   /** Get the default traits of this climate device.
    *
@@ -303,6 +328,21 @@ class Climate : public EntityBase {
   optional<float> visual_current_temperature_step_override_{};
   optional<float> visual_min_humidity_override_{};
   optional<float> visual_max_humidity_override_{};
+
+ private:
+  /** The active custom fan mode (private - enforces use of safe setters).
+   *
+   * Points to an entry in traits.supported_custom_fan_modes_ or nullptr.
+   * Use get_custom_fan_mode() to read, set_custom_fan_mode_() to modify.
+   */
+  const char *custom_fan_mode_{nullptr};
+
+  /** The active custom preset (private - enforces use of safe setters).
+   *
+   * Points to an entry in traits.supported_custom_presets_ or nullptr.
+   * Use get_custom_preset() to read, set_custom_preset_() to modify.
+   */
+  const char *custom_preset_{nullptr};
 };
 
 }  // namespace climate

esphome/components/climate/climate_mode.h

@@ -7,6 +7,7 @@ namespace esphome {
 namespace climate {
 
 /// Enum for all modes a climate device can be in.
+/// NOTE: If adding values, update ClimateModeMask in climate_traits.h to use the new last value
 enum ClimateMode : uint8_t {
   /// The climate device is off
   CLIMATE_MODE_OFF = 0,
@@ -24,7 +25,7 @@ enum ClimateMode : uint8_t {
    * For example, the target temperature can be adjusted based on a schedule, or learned behavior.
    * The target temperature can't be adjusted when in this mode.
    */
-  CLIMATE_MODE_AUTO = 6
+  CLIMATE_MODE_AUTO = 6  // Update ClimateModeMask in climate_traits.h if adding values after this
 };
 
 /// Enum for the current action of the climate device. Values match those of ClimateMode.
@@ -43,6 +44,7 @@ enum ClimateAction : uint8_t {
   CLIMATE_ACTION_FAN = 6,
 };
 
+/// NOTE: If adding values, update ClimateFanModeMask in climate_traits.h to use the new last value
 enum ClimateFanMode : uint8_t {
   /// The fan mode is set to On
   CLIMATE_FAN_ON = 0,
@@ -63,10 +65,11 @@ enum ClimateFanMode : uint8_t {
   /// The fan mode is set to Diffuse
   CLIMATE_FAN_DIFFUSE = 8,
   /// The fan mode is set to Quiet
-  CLIMATE_FAN_QUIET = 9,
+  CLIMATE_FAN_QUIET = 9,  // Update ClimateFanModeMask in climate_traits.h if adding values after this
 };
 
 /// Enum for all modes a climate swing can be in
+/// NOTE: If adding values, update ClimateSwingModeMask in climate_traits.h to use the new last value
 enum ClimateSwingMode : uint8_t {
   /// The swing mode is set to Off
   CLIMATE_SWING_OFF = 0,
@@ -75,10 +78,11 @@ enum ClimateSwingMode : uint8_t {
   /// The fan mode is set to Vertical
   CLIMATE_SWING_VERTICAL = 2,
   /// The fan mode is set to Horizontal
-  CLIMATE_SWING_HORIZONTAL = 3,
+  CLIMATE_SWING_HORIZONTAL = 3,  // Update ClimateSwingModeMask in climate_traits.h if adding values after this
 };
 
 /// Enum for all preset modes
+/// NOTE: If adding values, update ClimatePresetMask in climate_traits.h to use the new last value
 enum ClimatePreset : uint8_t {
   /// No preset is active
   CLIMATE_PRESET_NONE = 0,
@@ -95,7 +99,7 @@ enum ClimatePreset : uint8_t {
   /// Device is prepared for sleep
   CLIMATE_PRESET_SLEEP = 6,
   /// Device is reacting to activity (e.g., movement sensors)
-  CLIMATE_PRESET_ACTIVITY = 7,
+  CLIMATE_PRESET_ACTIVITY = 7,  // Update ClimatePresetMask in climate_traits.h if adding values after this
 };
 
 enum ClimateFeature : uint32_t {

esphome/components/climate/climate_traits.h

@@ -1,19 +1,43 @@
 #pragma once
 
-#include <set>
+#include <cstring>
+#include <vector>
 #include "climate_mode.h"
+#include "esphome/core/finite_set_mask.h"
 #include "esphome/core/helpers.h"
 
 namespace esphome {
-
-#ifdef USE_API
-namespace api {
-class APIConnection;
-}  // namespace api
-#endif
-
 namespace climate {
 
+// Type aliases for climate enum bitmasks
+// These replace std::set<EnumType> to eliminate red-black tree overhead
+// For contiguous enums starting at 0, DefaultBitPolicy provides 1:1 mapping (enum value = bit position)
+// Bitmask size is automatically calculated from the last enum value
+using ClimateModeMask = FiniteSetMask<ClimateMode, DefaultBitPolicy<ClimateMode, CLIMATE_MODE_AUTO + 1>>;
+using ClimateFanModeMask = FiniteSetMask<ClimateFanMode, DefaultBitPolicy<ClimateFanMode, CLIMATE_FAN_QUIET + 1>>;
+using ClimateSwingModeMask =
+    FiniteSetMask<ClimateSwingMode, DefaultBitPolicy<ClimateSwingMode, CLIMATE_SWING_HORIZONTAL + 1>>;
+using ClimatePresetMask = FiniteSetMask<ClimatePreset, DefaultBitPolicy<ClimatePreset, CLIMATE_PRESET_ACTIVITY + 1>>;
+
+// 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) {
+  for (const char *item : vec) {
+    if (strcmp(item, value) == 0)
+      return true;
+  }
+  return false;
+}
+
+// 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) {
+  for (const char *item : vec) {
+    if (strcmp(item, value) == 0)
+      return item;
+  }
+  return nullptr;
+}
+
 /** This class contains all static data for climate devices.
  *
  * All climate devices must support these features:
@@ -41,7 +65,11 @@ namespace climate {
  *  - temperature step - the step with which to increase/decrease target temperature.
  *     This also affects with how many decimal places the temperature is shown
  */
+class Climate;  // Forward declaration
+
 class ClimateTraits {
+  friend class Climate;  // Allow Climate to access protected find methods
+
  public:
   /// Get/set feature flags (see ClimateFeatures enum in climate_mode.h)
   uint32_t get_feature_flags() const { return this->feature_flags_; }
@@ -107,48 +135,74 @@ class ClimateTraits {
     }
   }
 
-  void set_supported_modes(std::set<ClimateMode> modes) { this->supported_modes_ = std::move(modes); }
+  void set_supported_modes(ClimateModeMask modes) { this->supported_modes_ = modes; }
   void add_supported_mode(ClimateMode mode) { this->supported_modes_.insert(mode); }
   bool supports_mode(ClimateMode mode) const { return this->supported_modes_.count(mode); }
-  const std::set<ClimateMode> &get_supported_modes() const { return this->supported_modes_; }
+  const ClimateModeMask &get_supported_modes() const { return this->supported_modes_; }
 
-  void set_supported_fan_modes(std::set<ClimateFanMode> modes) { this->supported_fan_modes_ = std::move(modes); }
+  void set_supported_fan_modes(ClimateFanModeMask modes) { this->supported_fan_modes_ = modes; }
   void add_supported_fan_mode(ClimateFanMode mode) { this->supported_fan_modes_.insert(mode); }
-  void add_supported_custom_fan_mode(const std::string &mode) { this->supported_custom_fan_modes_.insert(mode); }
   bool supports_fan_mode(ClimateFanMode fan_mode) const { return this->supported_fan_modes_.count(fan_mode); }
   bool get_supports_fan_modes() const {
     return !this->supported_fan_modes_.empty() || !this->supported_custom_fan_modes_.empty();
   }
-  const std::set<ClimateFanMode> &get_supported_fan_modes() const { return this->supported_fan_modes_; }
+  const ClimateFanModeMask &get_supported_fan_modes() const { return this->supported_fan_modes_; }
 
-  void set_supported_custom_fan_modes(std::set<std::string> supported_custom_fan_modes) {
-    this->supported_custom_fan_modes_ = std::move(supported_custom_fan_modes);
+  void set_supported_custom_fan_modes(std::initializer_list<const char *> modes) {
+    this->supported_custom_fan_modes_ = modes;
+  }
+  void set_supported_custom_fan_modes(const std::vector<const char *> &modes) {
+    this->supported_custom_fan_modes_ = modes;
+  }
+  template<size_t N> void set_supported_custom_fan_modes(const char *const (&modes)[N]) {
+    this->supported_custom_fan_modes_.assign(modes, modes + N);
+  }
+
+  // Deleted overloads to catch incorrect std::string usage at compile time with clear error messages
+  void set_supported_custom_fan_modes(const std::vector<std::string> &modes) = delete;
+  void set_supported_custom_fan_modes(std::initializer_list<std::string> modes) = delete;
+
+  const std::vector<const char *> &get_supported_custom_fan_modes() const { return this->supported_custom_fan_modes_; }
+  bool supports_custom_fan_mode(const char *custom_fan_mode) const {
+    return vector_contains(this->supported_custom_fan_modes_, custom_fan_mode);
   }
-  const std::set<std::string> &get_supported_custom_fan_modes() const { return this->supported_custom_fan_modes_; }
   bool supports_custom_fan_mode(const std::string &custom_fan_mode) const {
-    return this->supported_custom_fan_modes_.count(custom_fan_mode);
+    return this->supports_custom_fan_mode(custom_fan_mode.c_str());
   }
 
-  void set_supported_presets(std::set<ClimatePreset> presets) { this->supported_presets_ = std::move(presets); }
+  void set_supported_presets(ClimatePresetMask presets) { this->supported_presets_ = presets; }
   void add_supported_preset(ClimatePreset preset) { this->supported_presets_.insert(preset); }
-  void add_supported_custom_preset(const std::string &preset) { this->supported_custom_presets_.insert(preset); }
   bool supports_preset(ClimatePreset preset) const { return this->supported_presets_.count(preset); }
   bool get_supports_presets() const { return !this->supported_presets_.empty(); }
-  const std::set<climate::ClimatePreset> &get_supported_presets() const { return this->supported_presets_; }
+  const ClimatePresetMask &get_supported_presets() const { return this->supported_presets_; }
 
-  void set_supported_custom_presets(std::set<std::string> supported_custom_presets) {
-    this->supported_custom_presets_ = std::move(supported_custom_presets);
+  void set_supported_custom_presets(std::initializer_list<const char *> presets) {
+    this->supported_custom_presets_ = presets;
+  }
+  void set_supported_custom_presets(const std::vector<const char *> &presets) {
+    this->supported_custom_presets_ = presets;
+  }
+  template<size_t N> void set_supported_custom_presets(const char *const (&presets)[N]) {
+    this->supported_custom_presets_.assign(presets, presets + N);
+  }
+
+  // Deleted overloads to catch incorrect std::string usage at compile time with clear error messages
+  void set_supported_custom_presets(const std::vector<std::string> &presets) = delete;
+  void set_supported_custom_presets(std::initializer_list<std::string> presets) = delete;
+
+  const std::vector<const char *> &get_supported_custom_presets() const { return this->supported_custom_presets_; }
+  bool supports_custom_preset(const char *custom_preset) const {
+    return vector_contains(this->supported_custom_presets_, custom_preset);
   }
-  const std::set<std::string> &get_supported_custom_presets() const { return this->supported_custom_presets_; }
   bool supports_custom_preset(const std::string &custom_preset) const {
-    return this->supported_custom_presets_.count(custom_preset);
+    return this->supports_custom_preset(custom_preset.c_str());
   }
 
-  void set_supported_swing_modes(std::set<ClimateSwingMode> modes) { this->supported_swing_modes_ = std::move(modes); }
+  void set_supported_swing_modes(ClimateSwingModeMask modes) { this->supported_swing_modes_ = modes; }
   void add_supported_swing_mode(ClimateSwingMode mode) { this->supported_swing_modes_.insert(mode); }
   bool supports_swing_mode(ClimateSwingMode swing_mode) const { return this->supported_swing_modes_.count(swing_mode); }
   bool get_supports_swing_modes() const { return !this->supported_swing_modes_.empty(); }
-  const std::set<ClimateSwingMode> &get_supported_swing_modes() const { return this->supported_swing_modes_; }
+  const ClimateSwingModeMask &get_supported_swing_modes() const { return this->supported_swing_modes_; }
 
   float get_visual_min_temperature() const { return this->visual_min_temperature_; }
   void set_visual_min_temperature(float visual_min_temperature) {
@@ -179,23 +233,6 @@ class ClimateTraits {
   void set_visual_max_humidity(float visual_max_humidity) { this->visual_max_humidity_ = visual_max_humidity; }
 
  protected:
-#ifdef USE_API
-  // The API connection is a friend class to access internal methods
-  friend class api::APIConnection;
-  // These methods return references to internal data structures.
-  // They are used by the API to avoid copying data when encoding messages.
-  // Warning: Do not use these methods outside of the API connection code.
-  // They return references to internal data that can be invalidated.
-  const std::set<ClimateMode> &get_supported_modes_for_api_() const { return this->supported_modes_; }
-  const std::set<ClimateFanMode> &get_supported_fan_modes_for_api_() const { return this->supported_fan_modes_; }
-  const std::set<std::string> &get_supported_custom_fan_modes_for_api_() const {
-    return this->supported_custom_fan_modes_;
-  }
-  const std::set<climate::ClimatePreset> &get_supported_presets_for_api_() const { return this->supported_presets_; }
-  const std::set<std::string> &get_supported_custom_presets_for_api_() const { return this->supported_custom_presets_; }
-  const std::set<ClimateSwingMode> &get_supported_swing_modes_for_api_() const { return this->supported_swing_modes_; }
-#endif
-
   void set_mode_support_(climate::ClimateMode mode, bool supported) {
     if (supported) {
       this->supported_modes_.insert(mode);
@@ -218,6 +255,18 @@ 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);
+  }
+
+  /// 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);
+  }
+
   uint32_t feature_flags_{0};
   float visual_min_temperature_{10};
   float visual_max_temperature_{30};
@@ -226,12 +275,21 @@ class ClimateTraits {
   float visual_min_humidity_{30};
   float visual_max_humidity_{99};
 
-  std::set<climate::ClimateMode> supported_modes_ = {climate::CLIMATE_MODE_OFF};
-  std::set<climate::ClimateFanMode> supported_fan_modes_;
-  std::set<climate::ClimateSwingMode> supported_swing_modes_;
-  std::set<climate::ClimatePreset> supported_presets_;
-  std::set<std::string> supported_custom_fan_modes_;
-  std::set<std::string> supported_custom_presets_;
+  climate::ClimateModeMask supported_modes_{climate::CLIMATE_MODE_OFF};
+  climate::ClimateFanModeMask supported_fan_modes_;
+  climate::ClimateSwingModeMask supported_swing_modes_;
+  climate::ClimatePresetMask supported_presets_;
+
+  /** Custom mode storage using const char* pointers to eliminate std::string overhead.
+   *
+   * Pointers must remain valid for the ClimateTraits lifetime. Safe patterns:
+   *  - String literals: set_supported_custom_fan_modes({"Turbo", "Silent"})
+   *  - Static const data: static const char* MODE = "Eco";
+   *
+   * Climate class setters validate pointers are from these vectors before storing.
+   */
+  std::vector<const char *> supported_custom_fan_modes_;
+  std::vector<const char *> supported_custom_presets_;
 };
 
 }  // namespace climate

esphome/components/climate_ir/__init__.py

@@ -1,10 +1,9 @@
 import logging
 
-from esphome import core
 import esphome.codegen as cg
 from esphome.components import climate, remote_base, sensor
 import esphome.config_validation as cv
-from esphome.const import CONF_ID, CONF_SENSOR, CONF_SUPPORTS_COOL, CONF_SUPPORTS_HEAT
+from esphome.const import CONF_SENSOR, CONF_SUPPORTS_COOL, CONF_SUPPORTS_HEAT
 from esphome.cpp_generator import MockObjClass
 
 _LOGGER = logging.getLogger(__name__)
@@ -52,26 +51,6 @@ def climate_ir_with_receiver_schema(
     )
 
 
-# Remove before 2025.11.0
-def deprecated_schema_constant(config):
-    type: str = "unknown"
-    if (id := config.get(CONF_ID)) is not None and isinstance(id, core.ID):
-        type = str(id.type).split("::", maxsplit=1)[0]
-    _LOGGER.warning(
-        "Using `climate_ir.CLIMATE_IR_WITH_RECEIVER_SCHEMA` is deprecated and will be removed in ESPHome 2025.11.0. "
-        "Please use `climate_ir.climate_ir_with_receiver_schema(...)` instead. "
-        "If you are seeing this, report an issue to the external_component author and ask them to update it. "
-        "https://developers.esphome.io/blog/2025/05/14/_schema-deprecations/. "
-        "Component using this schema: %s",
-        type,
-    )
-    return config
-
-
-CLIMATE_IR_WITH_RECEIVER_SCHEMA = climate_ir_with_receiver_schema(ClimateIR)
-CLIMATE_IR_WITH_RECEIVER_SCHEMA.add_extra(deprecated_schema_constant)
-
-
 async def register_climate_ir(var, config):
     await cg.register_component(var, config)
     await remote_base.register_transmittable(var, config)

esphome/components/climate_ir/climate_ir.h

@@ -24,16 +24,18 @@ class ClimateIR : public Component,
                   public remote_base::RemoteTransmittable {
  public:
   ClimateIR(float minimum_temperature, float maximum_temperature, float temperature_step = 1.0f,
-            bool supports_dry = false, bool supports_fan_only = false, std::set<climate::ClimateFanMode> fan_modes = {},
-            std::set<climate::ClimateSwingMode> swing_modes = {}, std::set<climate::ClimatePreset> presets = {}) {
+            bool supports_dry = false, bool supports_fan_only = false,
+            climate::ClimateFanModeMask fan_modes = climate::ClimateFanModeMask(),
+            climate::ClimateSwingModeMask swing_modes = climate::ClimateSwingModeMask(),
+            climate::ClimatePresetMask presets = climate::ClimatePresetMask()) {
     this->minimum_temperature_ = minimum_temperature;
     this->maximum_temperature_ = maximum_temperature;
     this->temperature_step_ = temperature_step;
     this->supports_dry_ = supports_dry;
     this->supports_fan_only_ = supports_fan_only;
-    this->fan_modes_ = std::move(fan_modes);
-    this->swing_modes_ = std::move(swing_modes);
-    this->presets_ = std::move(presets);
+    this->fan_modes_ = fan_modes;
+    this->swing_modes_ = swing_modes;
+    this->presets_ = presets;
   }
 
   void setup() override;
@@ -60,9 +62,9 @@ class ClimateIR : public Component,
   bool supports_heat_{true};
   bool supports_dry_{false};
   bool supports_fan_only_{false};
-  std::set<climate::ClimateFanMode> fan_modes_ = {};
-  std::set<climate::ClimateSwingMode> swing_modes_ = {};
-  std::set<climate::ClimatePreset> presets_ = {};
+  climate::ClimateFanModeMask fan_modes_{};
+  climate::ClimateSwingModeMask swing_modes_{};
+  climate::ClimatePresetMask presets_{};
 
   sensor::Sensor *sensor_{nullptr};
 };

esphome/components/copy/select/copy_select.cpp

@@ -7,19 +7,19 @@ 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(value); });
+  source_->add_on_state_callback([this](const std::string &value, size_t index) { this->publish_state(index); });
 
   traits.set_options(source_->traits.get_options());
 
   if (source_->has_state())
-    this->publish_state(source_->state);
+    this->publish_state(source_->active_index().value());
 }
 
 void CopySelect::dump_config() { LOG_SELECT("", "Copy Select", this); }
 
-void CopySelect::control(const std::string &value) {
+void CopySelect::control(size_t index) {
   auto call = source_->make_call();
-  call.set_option(value);
+  call.set_index(index);
   call.perform();
 }
 

esphome/components/copy/select/copy_select.h

@@ -13,7 +13,7 @@ class CopySelect : public select::Select, public Component {
   void dump_config() override;
 
  protected:
-  void control(const std::string &value) override;
+  void control(size_t index) override;
 
   select::Select *source_;
 };

esphome/components/cover/__init__.py

@@ -151,11 +151,6 @@ def cover_schema(
     return _COVER_SCHEMA.extend(schema)
 
 
-# Remove before 2025.11.0
-COVER_SCHEMA = cover_schema(Cover)
-COVER_SCHEMA.add_extra(cv.deprecated_schema_constant("cover"))
-
-
 async def setup_cover_core_(var, config):
     await setup_entity(var, config, "cover")
 

esphome/components/debug/debug_zephyr.cpp

@@ -8,8 +8,7 @@
 
 #define BOOTLOADER_VERSION_REGISTER NRF_TIMER2->CC[0]
 
-namespace esphome {
-namespace debug {
+namespace esphome::debug {
 
 static const char *const TAG = "debug";
 constexpr std::uintptr_t MBR_PARAM_PAGE_ADDR = 0xFFC;
@@ -281,14 +280,18 @@ void DebugComponent::get_device_info_(std::string &device_info) {
            NRF_FICR->INFO.VARIANT & 0xFF, package(NRF_FICR->INFO.PACKAGE));
   ESP_LOGD(TAG, "RAM: %ukB, Flash: %ukB, production test: %sdone", NRF_FICR->INFO.RAM, NRF_FICR->INFO.FLASH,
            (NRF_FICR->PRODTEST[0] == 0xBB42319F ? "" : "not "));
+  bool n_reset_enabled = NRF_UICR->PSELRESET[0] == NRF_UICR->PSELRESET[1] &&
+                         (NRF_UICR->PSELRESET[0] & UICR_PSELRESET_CONNECT_Msk) == UICR_PSELRESET_CONNECT_Connected
+                                                                                      << UICR_PSELRESET_CONNECT_Pos;
   ESP_LOGD(
       TAG, "GPIO as NFC pins: %s, GPIO as nRESET pin: %s",
       YESNO((NRF_UICR->NFCPINS & UICR_NFCPINS_PROTECT_Msk) == (UICR_NFCPINS_PROTECT_NFC << UICR_NFCPINS_PROTECT_Pos)),
-      YESNO(((NRF_UICR->PSELRESET[0] & UICR_PSELRESET_CONNECT_Msk) !=
-             (UICR_PSELRESET_CONNECT_Connected << UICR_PSELRESET_CONNECT_Pos)) ||
-            ((NRF_UICR->PSELRESET[1] & UICR_PSELRESET_CONNECT_Msk) !=
-             (UICR_PSELRESET_CONNECT_Connected << UICR_PSELRESET_CONNECT_Pos))));
-
+      YESNO(n_reset_enabled));
+  if (n_reset_enabled) {
+    uint8_t port = (NRF_UICR->PSELRESET[0] & UICR_PSELRESET_PORT_Msk) >> UICR_PSELRESET_PORT_Pos;
+    uint8_t pin = (NRF_UICR->PSELRESET[0] & UICR_PSELRESET_PIN_Msk) >> UICR_PSELRESET_PIN_Pos;
+    ESP_LOGD(TAG, "nRESET port P%u.%02u", port, pin);
+  }
 #ifdef USE_BOOTLOADER_MCUBOOT
   ESP_LOGD(TAG, "bootloader: mcuboot");
 #else
@@ -322,10 +325,22 @@ void DebugComponent::get_device_info_(std::string &device_info) {
 #endif
   }
 #endif
+  auto uicr = [](volatile uint32_t *data, uint8_t size) {
+    std::string res;
+    char buf[sizeof(uint32_t) * 2 + 1];
+    for (size_t i = 0; i < size; i++) {
+      if (i > 0) {
+        res += ' ';
+      }
+      res += format_hex_pretty<uint32_t>(data[i], '\0', false);
+    }
+    return res;
+  };
+  ESP_LOGD(TAG, "NRFFW %s", uicr(NRF_UICR->NRFFW, 13).c_str());
+  ESP_LOGD(TAG, "NRFHW %s", uicr(NRF_UICR->NRFHW, 12).c_str());
 }
 
 void DebugComponent::update_platform_() {}
 
-}  // namespace debug
-}  // namespace esphome
+}  // namespace esphome::debug
 #endif

esphome/components/demo/demo_climate.h

@@ -28,16 +28,16 @@ class DemoClimate : public climate::Climate, public Component {
         this->mode = climate::CLIMATE_MODE_AUTO;
         this->action = climate::CLIMATE_ACTION_COOLING;
         this->fan_mode = climate::CLIMATE_FAN_HIGH;
-        this->custom_preset = {"My Preset"};
+        this->set_custom_preset_("My Preset");
         break;
       case DemoClimateType::TYPE_3:
         this->current_temperature = 21.5;
         this->target_temperature_low = 21.0;
         this->target_temperature_high = 22.5;
         this->mode = climate::CLIMATE_MODE_HEAT_COOL;
-        this->custom_fan_mode = {"Auto Low"};
+        this->set_custom_fan_mode_("Auto Low");
         this->swing_mode = climate::CLIMATE_SWING_HORIZONTAL;
-        this->preset = climate::CLIMATE_PRESET_AWAY;
+        this->set_preset_(climate::CLIMATE_PRESET_AWAY);
         break;
     }
     this->publish_state();
@@ -58,23 +58,19 @@ class DemoClimate : public climate::Climate, public Component {
       this->target_temperature_high = *call.get_target_temperature_high();
     }
     if (call.get_fan_mode().has_value()) {
-      this->fan_mode = *call.get_fan_mode();
-      this->custom_fan_mode.reset();
+      this->set_fan_mode_(*call.get_fan_mode());
     }
     if (call.get_swing_mode().has_value()) {
       this->swing_mode = *call.get_swing_mode();
     }
-    if (call.get_custom_fan_mode().has_value()) {
-      this->custom_fan_mode = *call.get_custom_fan_mode();
-      this->fan_mode.reset();
+    if (call.has_custom_fan_mode()) {
+      this->set_custom_fan_mode_(call.get_custom_fan_mode());
     }
     if (call.get_preset().has_value()) {
-      this->preset = *call.get_preset();
-      this->custom_preset.reset();
+      this->set_preset_(*call.get_preset());
     }
-    if (call.get_custom_preset().has_value()) {
-      this->custom_preset = *call.get_custom_preset();
-      this->preset.reset();
+    if (call.has_custom_preset()) {
+      this->set_custom_preset_(call.get_custom_preset());
     }
     this->publish_state();
   }

esphome/components/demo/demo_select.h

@@ -8,7 +8,7 @@ namespace demo {
 
 class DemoSelect : public select::Select, public Component {
  protected:
-  void control(const std::string &value) override { this->publish_state(value); }
+  void control(size_t index) override { this->publish_state(index); }
 };
 
 }  // namespace demo

esphome/components/display_menu_base/menu_item.cpp

@@ -42,7 +42,7 @@ std::string MenuItemSelect::get_value_text() const {
     result = this->value_getter_.value()(this);
   } else {
     if (this->select_var_ != nullptr) {
-      result = this->select_var_->state;
+      result = this->select_var_->current_option();
     }
   }
 

esphome/components/e131/e131.cpp

@@ -3,6 +3,8 @@
 #include "e131_addressable_light_effect.h"
 #include "esphome/core/log.h"
 
+#include <algorithm>
+
 namespace esphome {
 namespace e131 {
 
@@ -76,14 +78,14 @@ void E131Component::loop() {
 }
 
 void E131Component::add_effect(E131AddressableLightEffect *light_effect) {
-  if (light_effects_.count(light_effect)) {
+  if (std::find(light_effects_.begin(), light_effects_.end(), light_effect) != light_effects_.end()) {
     return;
   }
 
   ESP_LOGD(TAG, "Registering '%s' for universes %d-%d.", light_effect->get_name(), light_effect->get_first_universe(),
            light_effect->get_last_universe());
 
-  light_effects_.insert(light_effect);
+  light_effects_.push_back(light_effect);
 
   for (auto universe = light_effect->get_first_universe(); universe <= light_effect->get_last_universe(); ++universe) {
     join_(universe);
@@ -91,14 +93,17 @@ void E131Component::add_effect(E131AddressableLightEffect *light_effect) {
 }
 
 void E131Component::remove_effect(E131AddressableLightEffect *light_effect) {
-  if (!light_effects_.count(light_effect)) {
+  auto it = std::find(light_effects_.begin(), light_effects_.end(), light_effect);
+  if (it == light_effects_.end()) {
     return;
   }
 
   ESP_LOGD(TAG, "Unregistering '%s' for universes %d-%d.", light_effect->get_name(), light_effect->get_first_universe(),
            light_effect->get_last_universe());
 
-  light_effects_.erase(light_effect);
+  // Swap with last element and pop for O(1) removal (order doesn't matter)
+  *it = light_effects_.back();
+  light_effects_.pop_back();
 
   for (auto universe = light_effect->get_first_universe(); universe <= light_effect->get_last_universe(); ++universe) {
     leave_(universe);

esphome/components/e131/e131.h

@@ -7,7 +7,6 @@
 #include <cinttypes>
 #include <map>
 #include <memory>
-#include <set>
 #include <vector>
 
 namespace esphome {
@@ -47,9 +46,8 @@ class E131Component : public esphome::Component {
 
   E131ListenMethod listen_method_{E131_MULTICAST};
   std::unique_ptr<socket::Socket> socket_;
-  std::set<E131AddressableLightEffect *> light_effects_;
+  std::vector<E131AddressableLightEffect *> light_effects_;
   std::map<int, int> universe_consumers_;
-  std::map<int, E131Packet> universe_packets_;
 };
 
 }  // namespace e131

esphome/components/es8388/select/adc_input_mic_select.cpp

@@ -3,9 +3,9 @@
 namespace esphome {
 namespace es8388 {
 
-void ADCInputMicSelect::control(const std::string &value) {
-  this->publish_state(value);
-  this->parent_->set_adc_input_mic(static_cast<AdcInputMicLine>(this->index_of(value).value()));
+void ADCInputMicSelect::control(size_t index) {
+  this->publish_state(index);
+  this->parent_->set_adc_input_mic(static_cast<AdcInputMicLine>(index));
 }
 
 }  // namespace es8388

esphome/components/es8388/select/adc_input_mic_select.h

@@ -8,7 +8,7 @@ namespace es8388 {
 
 class ADCInputMicSelect : public select::Select, public Parented<ES8388> {
  protected:
-  void control(const std::string &value) override;
+  void control(size_t index) override;
 };
 
 }  // namespace es8388

esphome/components/es8388/select/dac_output_select.cpp

@@ -3,9 +3,9 @@
 namespace esphome {
 namespace es8388 {
 
-void DacOutputSelect::control(const std::string &value) {
-  this->publish_state(value);
-  this->parent_->set_dac_output(static_cast<DacOutputLine>(this->index_of(value).value()));
+void DacOutputSelect::control(size_t index) {
+  this->publish_state(index);
+  this->parent_->set_dac_output(static_cast<DacOutputLine>(index));
 }
 
 }  // namespace es8388

esphome/components/es8388/select/dac_output_select.h

@@ -8,7 +8,7 @@ namespace es8388 {
 
 class DacOutputSelect : public select::Select, public Parented<ES8388> {
  protected:
-  void control(const std::string &value) override;
+  void control(size_t index) override;
 };
 
 }  // namespace es8388

esphome/components/esp32/core.cpp

@@ -96,7 +96,11 @@ void loop_task(void *pv_params) {
 
 extern "C" void app_main() {
   esp32::setup_preferences();
+#if CONFIG_FREERTOS_UNICORE
   xTaskCreate(loop_task, "loopTask", 8192, nullptr, 1, &loop_task_handle);
+#else
+  xTaskCreatePinnedToCore(loop_task, "loopTask", 8192, nullptr, 1, &loop_task_handle, 1);
+#endif
 }
 #endif  // USE_ESP_IDF
 

esphome/components/esp32_ble/__init__.py

@@ -7,6 +7,7 @@ from typing import Any
 
 from esphome import automation
 import esphome.codegen as cg
+from esphome.components import socket
 from esphome.components.esp32 import add_idf_sdkconfig_option, const, get_esp32_variant
 import esphome.config_validation as cv
 from esphome.const import (
@@ -481,6 +482,14 @@ async def to_code(config):
         cg.add(var.set_name(name))
     await cg.register_component(var, config)
 
+    # BLE uses 1 UDP socket for event notification to wake up main loop from select()
+    # This enables low-latency (~12μs) BLE event processing instead of waiting for
+    # select() timeout (0-16ms). The socket is created in ble_setup_() and used to
+    # wake lwip_select() when BLE events arrive from the BLE thread.
+    # Note: Called during config generation, socket is created at runtime. In practice,
+    # always used since esp32_ble only runs on ESP32 which always has USE_SOCKET_SELECT_SUPPORT.
+    socket.consume_sockets(1, "esp32_ble")(config)
+
     # Define max connections for use in C++ code (e.g., ble_server.h)
     max_connections = config.get(CONF_MAX_CONNECTIONS, DEFAULT_MAX_CONNECTIONS)
     cg.add_define("USE_ESP32_BLE_MAX_CONNECTIONS", max_connections)

esphome/components/esp32_ble/ble.cpp

@@ -27,10 +27,34 @@ extern "C" {
 #include <esp32-hal-bt.h>
 #endif
 
+#ifdef USE_SOCKET_SELECT_SUPPORT
+#include <lwip/sockets.h>
+#endif
+
 namespace esphome::esp32_ble {
 
 static const char *const TAG = "esp32_ble";
 
+// GAP event groups for deduplication across gap_event_handler and dispatch_gap_event_
+#define GAP_SCAN_COMPLETE_EVENTS \
+  case ESP_GAP_BLE_SCAN_PARAM_SET_COMPLETE_EVT: \
+  case ESP_GAP_BLE_SCAN_START_COMPLETE_EVT: \
+  case ESP_GAP_BLE_SCAN_STOP_COMPLETE_EVT
+
+#define GAP_ADV_COMPLETE_EVENTS \
+  case ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT: \
+  case ESP_GAP_BLE_SCAN_RSP_DATA_SET_COMPLETE_EVT: \
+  case ESP_GAP_BLE_ADV_DATA_RAW_SET_COMPLETE_EVT: \
+  case ESP_GAP_BLE_ADV_START_COMPLETE_EVT: \
+  case ESP_GAP_BLE_ADV_STOP_COMPLETE_EVT
+
+#define GAP_SECURITY_EVENTS \
+  case ESP_GAP_BLE_AUTH_CMPL_EVT: \
+  case ESP_GAP_BLE_SEC_REQ_EVT: \
+  case ESP_GAP_BLE_PASSKEY_NOTIF_EVT: \
+  case ESP_GAP_BLE_PASSKEY_REQ_EVT: \
+  case ESP_GAP_BLE_NC_REQ_EVT
+
 void ESP32BLE::setup() {
   global_ble = this;
   if (!ble_pre_setup_()) {
@@ -273,10 +297,21 @@ bool ESP32BLE::ble_setup_() {
   // BLE takes some time to be fully set up, 200ms should be more than enough
   delay(200);  // NOLINT
 
+  // Set up notification socket to wake main loop for BLE events
+  // This enables low-latency (~12μs) event processing instead of waiting for select() timeout
+#ifdef USE_SOCKET_SELECT_SUPPORT
+  this->setup_event_notification_();
+#endif
+
   return true;
 }
 
 bool ESP32BLE::ble_dismantle_() {
+  // Clean up notification socket first before dismantling BLE stack
+#ifdef USE_SOCKET_SELECT_SUPPORT
+  this->cleanup_event_notification_();
+#endif
+
   esp_err_t err = esp_bluedroid_disable();
   if (err != ESP_OK) {
     ESP_LOGE(TAG, "esp_bluedroid_disable failed: %d", err);
@@ -374,6 +409,12 @@ void ESP32BLE::loop() {
       break;
   }
 
+#ifdef USE_SOCKET_SELECT_SUPPORT
+  // Drain any notification socket events first
+  // This clears the socket so it doesn't stay "ready" in subsequent select() calls
+  this->drain_event_notifications_();
+#endif
+
   BLEEvent *ble_event = this->ble_events_.pop();
   while (ble_event != nullptr) {
     switch (ble_event->type_) {
@@ -414,60 +455,48 @@ void ESP32BLE::loop() {
             break;
 
           // Scan complete events
-          case ESP_GAP_BLE_SCAN_PARAM_SET_COMPLETE_EVT:
-          case ESP_GAP_BLE_SCAN_START_COMPLETE_EVT:
-          case ESP_GAP_BLE_SCAN_STOP_COMPLETE_EVT:
-            // All three scan complete events have the same structure with just status
-            // The scan_complete struct matches ESP-IDF's layout exactly, so this reinterpret_cast is safe
-            // This is verified at compile-time by static_assert checks in ble_event.h
-            // The struct already contains our copy of the status (copied in BLEEvent constructor)
-            ESP_LOGV(TAG, "gap_event_handler - %d", gap_event);
-#ifdef ESPHOME_ESP32_BLE_GAP_EVENT_HANDLER_COUNT
-            for (auto *gap_handler : this->gap_event_handlers_) {
-              gap_handler->gap_event_handler(
-                  gap_event, reinterpret_cast<esp_ble_gap_cb_param_t *>(&ble_event->event_.gap.scan_complete));
-            }
-#endif
-            break;
-
+          GAP_SCAN_COMPLETE_EVENTS:
           // Advertising complete events
-          case ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT:
-          case ESP_GAP_BLE_SCAN_RSP_DATA_SET_COMPLETE_EVT:
-          case ESP_GAP_BLE_ADV_DATA_RAW_SET_COMPLETE_EVT:
-          case ESP_GAP_BLE_ADV_START_COMPLETE_EVT:
-          case ESP_GAP_BLE_ADV_STOP_COMPLETE_EVT:
-            // All advertising complete events have the same structure with just status
-            ESP_LOGV(TAG, "gap_event_handler - %d", gap_event);
-#ifdef ESPHOME_ESP32_BLE_GAP_EVENT_HANDLER_COUNT
-            for (auto *gap_handler : this->gap_event_handlers_) {
-              gap_handler->gap_event_handler(
-                  gap_event, reinterpret_cast<esp_ble_gap_cb_param_t *>(&ble_event->event_.gap.adv_complete));
-            }
-#endif
-            break;
-
+          GAP_ADV_COMPLETE_EVENTS:
           // RSSI complete event
           case ESP_GAP_BLE_READ_RSSI_COMPLETE_EVT:
-            ESP_LOGV(TAG, "gap_event_handler - %d", gap_event);
-#ifdef ESPHOME_ESP32_BLE_GAP_EVENT_HANDLER_COUNT
-            for (auto *gap_handler : this->gap_event_handlers_) {
-              gap_handler->gap_event_handler(
-                  gap_event, reinterpret_cast<esp_ble_gap_cb_param_t *>(&ble_event->event_.gap.read_rssi_complete));
-            }
-#endif
-            break;
-
           // Security events
-          case ESP_GAP_BLE_AUTH_CMPL_EVT:
-          case ESP_GAP_BLE_SEC_REQ_EVT:
-          case ESP_GAP_BLE_PASSKEY_NOTIF_EVT:
-          case ESP_GAP_BLE_PASSKEY_REQ_EVT:
-          case ESP_GAP_BLE_NC_REQ_EVT:
+          GAP_SECURITY_EVENTS:
             ESP_LOGV(TAG, "gap_event_handler - %d", gap_event);
 #ifdef ESPHOME_ESP32_BLE_GAP_EVENT_HANDLER_COUNT
-            for (auto *gap_handler : this->gap_event_handlers_) {
-              gap_handler->gap_event_handler(
-                  gap_event, reinterpret_cast<esp_ble_gap_cb_param_t *>(&ble_event->event_.gap.security));
+            {
+              esp_ble_gap_cb_param_t *param;
+              // clang-format off
+              switch (gap_event) {
+                // All three scan complete events have the same structure with just status
+                // The scan_complete struct matches ESP-IDF's layout exactly, so this reinterpret_cast is safe
+                // This is verified at compile-time by static_assert checks in ble_event.h
+                // The struct already contains our copy of the status (copied in BLEEvent constructor)
+                GAP_SCAN_COMPLETE_EVENTS:
+                  param = reinterpret_cast<esp_ble_gap_cb_param_t *>(&ble_event->event_.gap.scan_complete);
+                  break;
+
+                // All advertising complete events have the same structure with just status
+                GAP_ADV_COMPLETE_EVENTS:
+                  param = reinterpret_cast<esp_ble_gap_cb_param_t *>(&ble_event->event_.gap.adv_complete);
+                  break;
+
+                case ESP_GAP_BLE_READ_RSSI_COMPLETE_EVT:
+                  param = reinterpret_cast<esp_ble_gap_cb_param_t *>(&ble_event->event_.gap.read_rssi_complete);
+                  break;
+
+                GAP_SECURITY_EVENTS:
+                  param = reinterpret_cast<esp_ble_gap_cb_param_t *>(&ble_event->event_.gap.security);
+                  break;
+
+                default:
+                  break;
+              }
+              // clang-format on
+              // Dispatch to all registered handlers
+              for (auto *gap_handler : this->gap_event_handlers_) {
+                gap_handler->gap_event_handler(gap_event, param);
+              }
             }
 #endif
             break;
@@ -547,26 +576,24 @@ void ESP32BLE::gap_event_handler(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_pa
     // Queue GAP events that components need to handle
     // Scanning events - used by esp32_ble_tracker
     case ESP_GAP_BLE_SCAN_RESULT_EVT:
-    case ESP_GAP_BLE_SCAN_PARAM_SET_COMPLETE_EVT:
-    case ESP_GAP_BLE_SCAN_START_COMPLETE_EVT:
-    case ESP_GAP_BLE_SCAN_STOP_COMPLETE_EVT:
+    GAP_SCAN_COMPLETE_EVENTS:
     // Advertising events - used by esp32_ble_beacon and esp32_ble server
-    case ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT:
-    case ESP_GAP_BLE_SCAN_RSP_DATA_SET_COMPLETE_EVT:
-    case ESP_GAP_BLE_ADV_DATA_RAW_SET_COMPLETE_EVT:
-    case ESP_GAP_BLE_ADV_START_COMPLETE_EVT:
-    case ESP_GAP_BLE_ADV_STOP_COMPLETE_EVT:
+    GAP_ADV_COMPLETE_EVENTS:
     // Connection events - used by ble_client
     case ESP_GAP_BLE_READ_RSSI_COMPLETE_EVT:
-    // Security events - used by ble_client and bluetooth_proxy
-    case ESP_GAP_BLE_AUTH_CMPL_EVT:
-    case ESP_GAP_BLE_SEC_REQ_EVT:
-    case ESP_GAP_BLE_PASSKEY_NOTIF_EVT:
-    case ESP_GAP_BLE_PASSKEY_REQ_EVT:
-    case ESP_GAP_BLE_NC_REQ_EVT:
       enqueue_ble_event(event, param);
       return;
 
+    // Security events - used by ble_client and bluetooth_proxy
+    // These are rare but interactive (pairing/bonding), so notify immediately
+    GAP_SECURITY_EVENTS:
+      enqueue_ble_event(event, param);
+      // Wake up main loop to process security event immediately
+#ifdef USE_SOCKET_SELECT_SUPPORT
+      global_ble->notify_main_loop_();
+#endif
+      return;
+
     // Ignore these GAP events as they are not relevant for our use case
     case ESP_GAP_BLE_UPDATE_CONN_PARAMS_EVT:
     case ESP_GAP_BLE_SET_PKT_LENGTH_COMPLETE_EVT:
@@ -584,6 +611,10 @@ void ESP32BLE::gap_event_handler(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_pa
 void ESP32BLE::gatts_event_handler(esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if,
                                    esp_ble_gatts_cb_param_t *param) {
   enqueue_ble_event(event, gatts_if, param);
+  // Wake up main loop to process GATT event immediately
+#ifdef USE_SOCKET_SELECT_SUPPORT
+  global_ble->notify_main_loop_();
+#endif
 }
 #endif
 
@@ -591,6 +622,10 @@ void ESP32BLE::gatts_event_handler(esp_gatts_cb_event_t event, esp_gatt_if_t gat
 void ESP32BLE::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if,
                                    esp_ble_gattc_cb_param_t *param) {
   enqueue_ble_event(event, gattc_if, param);
+  // Wake up main loop to process GATT event immediately
+#ifdef USE_SOCKET_SELECT_SUPPORT
+  global_ble->notify_main_loop_();
+#endif
 }
 #endif
 
@@ -630,6 +665,89 @@ void ESP32BLE::dump_config() {
   }
 }
 
+#ifdef USE_SOCKET_SELECT_SUPPORT
+void ESP32BLE::setup_event_notification_() {
+  // Create UDP socket for event notifications
+  this->notify_fd_ = lwip_socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+  if (this->notify_fd_ < 0) {
+    ESP_LOGW(TAG, "Event socket create failed: %d", errno);
+    return;
+  }
+
+  // Bind to loopback with auto-assigned port
+  struct sockaddr_in addr = {};
+  addr.sin_family = AF_INET;
+  addr.sin_addr.s_addr = lwip_htonl(INADDR_LOOPBACK);
+  addr.sin_port = 0;  // Auto-assign port
+
+  if (lwip_bind(this->notify_fd_, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+    ESP_LOGW(TAG, "Event socket bind failed: %d", errno);
+    lwip_close(this->notify_fd_);
+    this->notify_fd_ = -1;
+    return;
+  }
+
+  // Get the assigned address and connect to it
+  // Connecting a UDP socket allows using send() instead of sendto() for better performance
+  struct sockaddr_in notify_addr;
+  socklen_t len = sizeof(notify_addr);
+  if (lwip_getsockname(this->notify_fd_, (struct sockaddr *) &notify_addr, &len) < 0) {
+    ESP_LOGW(TAG, "Event socket address failed: %d", errno);
+    lwip_close(this->notify_fd_);
+    this->notify_fd_ = -1;
+    return;
+  }
+
+  // Connect to self (loopback) - allows using send() instead of sendto()
+  // After connect(), no need to store notify_addr - the socket remembers it
+  if (lwip_connect(this->notify_fd_, (struct sockaddr *) &notify_addr, sizeof(notify_addr)) < 0) {
+    ESP_LOGW(TAG, "Event socket connect failed: %d", errno);
+    lwip_close(this->notify_fd_);
+    this->notify_fd_ = -1;
+    return;
+  }
+
+  // Set non-blocking mode
+  int flags = lwip_fcntl(this->notify_fd_, F_GETFL, 0);
+  lwip_fcntl(this->notify_fd_, F_SETFL, flags | O_NONBLOCK);
+
+  // Register with application's select() loop
+  if (!App.register_socket_fd(this->notify_fd_)) {
+    ESP_LOGW(TAG, "Event socket register failed");
+    lwip_close(this->notify_fd_);
+    this->notify_fd_ = -1;
+    return;
+  }
+
+  ESP_LOGD(TAG, "Event socket ready");
+}
+
+void ESP32BLE::cleanup_event_notification_() {
+  if (this->notify_fd_ >= 0) {
+    App.unregister_socket_fd(this->notify_fd_);
+    lwip_close(this->notify_fd_);
+    this->notify_fd_ = -1;
+    ESP_LOGD(TAG, "Event socket closed");
+  }
+}
+
+void ESP32BLE::drain_event_notifications_() {
+  // Called from main loop to drain any pending notifications
+  // Must check is_socket_ready() to avoid blocking on empty socket
+  if (this->notify_fd_ >= 0 && App.is_socket_ready(this->notify_fd_)) {
+    char buffer[BLE_EVENT_NOTIFY_DRAIN_BUFFER_SIZE];
+    // Drain all pending notifications with non-blocking reads
+    // Multiple BLE events may have triggered multiple writes, so drain until EWOULDBLOCK
+    // We control both ends of this loopback socket (always write 1 byte per event),
+    // so no error checking needed - any errors indicate catastrophic system failure
+    while (lwip_recvfrom(this->notify_fd_, buffer, sizeof(buffer), 0, nullptr, nullptr) > 0) {
+      // Just draining, no action needed - actual BLE events are already queued
+    }
+  }
+}
+
+#endif  // USE_SOCKET_SELECT_SUPPORT
+
 uint64_t ble_addr_to_uint64(const esp_bd_addr_t address) {
   uint64_t u = 0;
   u |= uint64_t(address[0] & 0xFF) << 40;

esphome/components/esp32_ble/ble.h

@@ -25,6 +25,10 @@
 #include <esp_gattc_api.h>
 #include <esp_gatts_api.h>
 
+#ifdef USE_SOCKET_SELECT_SUPPORT
+#include <lwip/sockets.h>
+#endif
+
 namespace esphome::esp32_ble {
 
 // Maximum size of the BLE event queue
@@ -162,6 +166,13 @@ class ESP32BLE : public Component {
   void advertising_init_();
 #endif
 
+#ifdef USE_SOCKET_SELECT_SUPPORT
+  void setup_event_notification_();    // Create notification socket
+  void cleanup_event_notification_();  // Close and unregister socket
+  inline void notify_main_loop_();     // Wake up select() from BLE thread (hot path - inlined)
+  void drain_event_notifications_();   // Read pending notifications in main loop
+#endif
+
  private:
   template<typename... Args> friend void enqueue_ble_event(Args... args);
 
@@ -196,6 +207,13 @@ class ESP32BLE : public Component {
   esp_ble_io_cap_t io_cap_{ESP_IO_CAP_NONE};  // 4 bytes (enum)
   uint32_t advertising_cycle_time_{};         // 4 bytes
 
+#ifdef USE_SOCKET_SELECT_SUPPORT
+  // Event notification socket for waking up main loop from BLE thread
+  // Uses connected UDP loopback socket to wake lwip_select() with ~12μs latency vs 0-16ms timeout
+  // Socket is connected during setup, allowing use of send() instead of sendto() for efficiency
+  int notify_fd_{-1};  // 4 bytes (file descriptor)
+#endif
+
   // 2-byte aligned members
   uint16_t appearance_{0};  // 2 bytes
 
@@ -207,6 +225,29 @@ class ESP32BLE : public Component {
 // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
 extern ESP32BLE *global_ble;
 
+#ifdef USE_SOCKET_SELECT_SUPPORT
+// Inline implementations for hot-path functions
+// These are called from BLE thread (notify) and main loop (drain) on every event
+
+// Small buffer for draining notification bytes (1 byte sent per BLE event)
+// Size allows draining multiple notifications per recvfrom() without wasting stack
+static constexpr size_t BLE_EVENT_NOTIFY_DRAIN_BUFFER_SIZE = 16;
+
+inline void ESP32BLE::notify_main_loop_() {
+  // Called from BLE thread context when events are queued
+  // Wakes up lwip_select() in main loop by writing to connected loopback socket
+  if (this->notify_fd_ >= 0) {
+    const char dummy = 1;
+    // Non-blocking send - if it fails (unlikely), select() will wake on timeout anyway
+    // No error checking needed: we control both ends of this loopback socket, and the
+    // BLE event is already queued. Notification is best-effort to reduce latency.
+    // This is safe to call from BLE thread - send() is thread-safe in lwip
+    // Socket is already connected to loopback address, so send() is faster than sendto()
+    lwip_send(this->notify_fd_, &dummy, 1, 0);
+  }
+}
+#endif  // USE_SOCKET_SELECT_SUPPORT
+
 template<typename... Ts> class BLEEnabledCondition : public Condition<Ts...> {
  public:
   bool check(Ts... x) override { return global_ble->is_active(); }

esphome/components/esphome/ota/ota_esphome.cpp

@@ -281,19 +281,15 @@ void ESPHomeOTAComponent::handle_data_() {
 #endif
 
   // Acknowledge auth OK - 1 byte
-  buf[0] = ota::OTA_RESPONSE_AUTH_OK;
-  this->writeall_(buf, 1);
+  this->write_byte_(ota::OTA_RESPONSE_AUTH_OK);
 
   // Read size, 4 bytes MSB first
   if (!this->readall_(buf, 4)) {
     this->log_read_error_(LOG_STR("size"));
     goto error;  // NOLINT(cppcoreguidelines-avoid-goto)
   }
-  ota_size = 0;
-  for (uint8_t i = 0; i < 4; i++) {
-    ota_size <<= 8;
-    ota_size |= buf[i];
-  }
+  ota_size = (static_cast<size_t>(buf[0]) << 24) | (static_cast<size_t>(buf[1]) << 16) |
+             (static_cast<size_t>(buf[2]) << 8) | buf[3];
   ESP_LOGV(TAG, "Size is %u bytes", ota_size);
 
   // Now that we've passed authentication and are actually
@@ -313,8 +309,7 @@ void ESPHomeOTAComponent::handle_data_() {
   update_started = true;
 
   // Acknowledge prepare OK - 1 byte
-  buf[0] = ota::OTA_RESPONSE_UPDATE_PREPARE_OK;
-  this->writeall_(buf, 1);
+  this->write_byte_(ota::OTA_RESPONSE_UPDATE_PREPARE_OK);
 
   // Read binary MD5, 32 bytes
   if (!this->readall_(buf, 32)) {
@@ -326,8 +321,7 @@ void ESPHomeOTAComponent::handle_data_() {
   this->backend_->set_update_md5(sbuf);
 
   // Acknowledge MD5 OK - 1 byte
-  buf[0] = ota::OTA_RESPONSE_BIN_MD5_OK;
-  this->writeall_(buf, 1);
+  this->write_byte_(ota::OTA_RESPONSE_BIN_MD5_OK);
 
   while (total < ota_size) {
     // TODO: timeout check
@@ -354,8 +348,7 @@ void ESPHomeOTAComponent::handle_data_() {
     total += read;
 #if USE_OTA_VERSION == 2
     while (size_acknowledged + OTA_BLOCK_SIZE <= total || (total == ota_size && size_acknowledged < ota_size)) {
-      buf[0] = ota::OTA_RESPONSE_CHUNK_OK;
-      this->writeall_(buf, 1);
+      this->write_byte_(ota::OTA_RESPONSE_CHUNK_OK);
       size_acknowledged += OTA_BLOCK_SIZE;
     }
 #endif
@@ -374,8 +367,7 @@ void ESPHomeOTAComponent::handle_data_() {
   }
 
   // Acknowledge receive OK - 1 byte
-  buf[0] = ota::OTA_RESPONSE_RECEIVE_OK;
-  this->writeall_(buf, 1);
+  this->write_byte_(ota::OTA_RESPONSE_RECEIVE_OK);
 
   error_code = this->backend_->end();
   if (error_code != ota::OTA_RESPONSE_OK) {
@@ -384,8 +376,7 @@ void ESPHomeOTAComponent::handle_data_() {
   }
 
   // Acknowledge Update end OK - 1 byte
-  buf[0] = ota::OTA_RESPONSE_UPDATE_END_OK;
-  this->writeall_(buf, 1);
+  this->write_byte_(ota::OTA_RESPONSE_UPDATE_END_OK);
 
   // Read ACK
   if (!this->readall_(buf, 1) || buf[0] != ota::OTA_RESPONSE_OK) {
@@ -404,8 +395,7 @@ void ESPHomeOTAComponent::handle_data_() {
   App.safe_reboot();
 
 error:
-  buf[0] = static_cast<uint8_t>(error_code);
-  this->writeall_(buf, 1);
+  this->write_byte_(static_cast<uint8_t>(error_code));
   this->cleanup_connection_();
 
   if (this->backend_ != nullptr && update_started) {

esphome/components/esphome/ota/ota_esphome.h

@@ -53,6 +53,7 @@ class ESPHomeOTAComponent : public ota::OTAComponent {
 #endif  // USE_OTA_PASSWORD
   bool readall_(uint8_t *buf, size_t len);
   bool writeall_(const uint8_t *buf, size_t len);
+  inline bool write_byte_(uint8_t byte) { return this->writeall_(&byte, 1); }
 
   bool try_read_(size_t to_read, const LogString *desc);
   bool try_write_(size_t to_write, const LogString *desc);

esphome/components/event/__init__.py

@@ -85,11 +85,6 @@ def event_schema(
     return _EVENT_SCHEMA.extend(schema)
 
 
-# Remove before 2025.11.0
-EVENT_SCHEMA = event_schema()
-EVENT_SCHEMA.add_extra(cv.deprecated_schema_constant("event"))
-
-
 async def setup_event_core_(var, config, *, event_types: list[str]):
     await setup_entity(var, config, "event")
 

esphome/components/fan/__init__.py

@@ -189,10 +189,6 @@ def fan_schema(
     return _FAN_SCHEMA.extend(schema)
 
 
-# Remove before 2025.11.0
-FAN_SCHEMA = fan_schema(Fan)
-FAN_SCHEMA.add_extra(cv.deprecated_schema_constant("fan"))
-
 _PRESET_MODES_SCHEMA = cv.All(
     cv.ensure_list(cv.string_strict),
     cv.Length(min=1),

esphome/components/fan/fan.cpp

@@ -51,7 +51,14 @@ void FanCall::validate_() {
 
   if (!this->preset_mode_.empty()) {
     const auto &preset_modes = traits.supported_preset_modes();
-    if (preset_modes.find(this->preset_mode_) == preset_modes.end()) {
+    bool found = false;
+    for (const auto &mode : preset_modes) {
+      if (strcmp(mode, this->preset_mode_.c_str()) == 0) {
+        found = true;
+        break;
+      }
+    }
+    if (!found) {
       ESP_LOGW(TAG, "%s: Preset mode '%s' not supported", this->parent_.get_name().c_str(), this->preset_mode_.c_str());
       this->preset_mode_.clear();
     }
@@ -92,11 +99,12 @@ FanCall FanRestoreState::to_call(Fan &fan) {
   call.set_speed(this->speed);
   call.set_direction(this->direction);
 
-  if (fan.get_traits().supports_preset_modes()) {
+  auto traits = fan.get_traits();
+  if (traits.supports_preset_modes()) {
     // Use stored preset index to get preset name
-    const auto &preset_modes = fan.get_traits().supported_preset_modes();
+    const auto &preset_modes = traits.supported_preset_modes();
     if (this->preset_mode < preset_modes.size()) {
-      call.set_preset_mode(*std::next(preset_modes.begin(), this->preset_mode));
+      call.set_preset_mode(preset_modes[this->preset_mode]);
     }
   }
   return call;
@@ -107,11 +115,12 @@ void FanRestoreState::apply(Fan &fan) {
   fan.speed = this->speed;
   fan.direction = this->direction;
 
-  if (fan.get_traits().supports_preset_modes()) {
+  auto traits = fan.get_traits();
+  if (traits.supports_preset_modes()) {
     // Use stored preset index to get preset name
-    const auto &preset_modes = fan.get_traits().supported_preset_modes();
+    const auto &preset_modes = traits.supported_preset_modes();
     if (this->preset_mode < preset_modes.size()) {
-      fan.preset_mode = *std::next(preset_modes.begin(), this->preset_mode);
+      fan.preset_mode = preset_modes[this->preset_mode];
     }
   }
   fan.publish_state();
@@ -182,18 +191,25 @@ void Fan::save_state_() {
     return;
   }
 
+  auto traits = this->get_traits();
+
   FanRestoreState state{};
   state.state = this->state;
   state.oscillating = this->oscillating;
   state.speed = this->speed;
   state.direction = this->direction;
 
-  if (this->get_traits().supports_preset_modes() && !this->preset_mode.empty()) {
-    const auto &preset_modes = this->get_traits().supported_preset_modes();
+  if (traits.supports_preset_modes() && !this->preset_mode.empty()) {
+    const auto &preset_modes = traits.supported_preset_modes();
     // Store index of current preset mode
-    auto preset_iterator = preset_modes.find(this->preset_mode);
-    if (preset_iterator != preset_modes.end())
-      state.preset_mode = std::distance(preset_modes.begin(), preset_iterator);
+    size_t i = 0;
+    for (const auto &mode : preset_modes) {
+      if (strcmp(mode, this->preset_mode.c_str()) == 0) {
+        state.preset_mode = i;
+        break;
+      }
+      i++;
+    }
   }
 
   this->rtc_.save(&state);
@@ -216,8 +232,8 @@ void Fan::dump_traits_(const char *tag, const char *prefix) {
   }
   if (traits.supports_preset_modes()) {
     ESP_LOGCONFIG(tag, "%s  Supported presets:", prefix);
-    for (const std::string &s : traits.supported_preset_modes())
-      ESP_LOGCONFIG(tag, "%s    - %s", prefix, s.c_str());
+    for (const char *s : traits.supported_preset_modes())
+      ESP_LOGCONFIG(tag, "%s    - %s", prefix, s);
   }
 }
 

esphome/components/fan/fan.h

@@ -60,8 +60,6 @@ class FanCall {
     this->speed_ = speed;
     return *this;
   }
-  ESPDEPRECATED("set_speed() with string argument is deprecated, use integer argument instead.", "2021.9")
-  FanCall &set_speed(const char *legacy_speed);
   optional<int> get_speed() const { return this->speed_; }
   FanCall &set_direction(FanDirection direction) {
     this->direction_ = direction;

esphome/components/fan/fan_traits.h

@@ -1,15 +1,9 @@
-#include <set>
-#include <utility>
-
 #pragma once
 
-namespace esphome {
+#include <vector>
+#include <initializer_list>
 
-#ifdef USE_API
-namespace api {
-class APIConnection;
-}  // namespace api
-#endif
+namespace esphome {
 
 namespace fan {
 
@@ -36,27 +30,27 @@ class FanTraits {
   /// Set whether this fan supports changing direction
   void set_direction(bool direction) { this->direction_ = direction; }
   /// Return the preset modes supported by the fan.
-  std::set<std::string> supported_preset_modes() const { return this->preset_modes_; }
-  /// Set the preset modes supported by the fan.
-  void set_supported_preset_modes(const std::set<std::string> &preset_modes) { this->preset_modes_ = preset_modes; }
+  const std::vector<const char *> &supported_preset_modes() const { return this->preset_modes_; }
+  /// Set the preset modes supported by the fan (from initializer list).
+  void set_supported_preset_modes(std::initializer_list<const char *> preset_modes) {
+    this->preset_modes_ = preset_modes;
+  }
+  /// Set the preset modes supported by the fan (from vector).
+  void set_supported_preset_modes(const std::vector<const char *> &preset_modes) { this->preset_modes_ = preset_modes; }
+
+  // Deleted overloads to catch incorrect std::string usage at compile time with clear error messages
+  void set_supported_preset_modes(const std::vector<std::string> &preset_modes) = delete;
+  void set_supported_preset_modes(std::initializer_list<std::string> preset_modes) = delete;
+
   /// Return if preset modes are supported
   bool supports_preset_modes() const { return !this->preset_modes_.empty(); }
 
  protected:
-#ifdef USE_API
-  // The API connection is a friend class to access internal methods
-  friend class api::APIConnection;
-  // This method returns a reference to the internal preset modes set.
-  // It is used by the API to avoid copying data when encoding messages.
-  // Warning: Do not use this method outside of the API connection code.
-  // It returns a reference to internal data that can be invalidated.
-  const std::set<std::string> &supported_preset_modes_for_api_() const { return this->preset_modes_; }
-#endif
   bool oscillation_{false};
   bool speed_{false};
   bool direction_{false};
   int speed_count_{};
-  std::set<std::string> preset_modes_{};
+  std::vector<const char *> preset_modes_{};
 };
 
 }  // namespace fan

esphome/components/gpio/binary_sensor/__init__.py

@@ -39,6 +39,7 @@ CONFIG_SCHEMA = (
             # due to hardware limitations or lack of reliable interrupt support. This ensures
             # stable operation on these platforms. Future maintainers should verify platform
             # capabilities before changing this default behavior.
+            # nrf52 has no gpio interrupts implemented yet
             cv.SplitDefault(
                 CONF_USE_INTERRUPT,
                 bk72xx=False,
@@ -46,7 +47,7 @@ CONFIG_SCHEMA = (
                 esp8266=True,
                 host=True,
                 ln882x=False,
-                nrf52=True,
+                nrf52=False,
                 rp2040=True,
                 rtl87xx=False,
             ): cv.boolean,
@@ -94,6 +95,8 @@ async def to_code(config):
         )
         use_interrupt = False
 
-    cg.add(var.set_use_interrupt(use_interrupt))
     if use_interrupt:
         cg.add(var.set_interrupt_type(config[CONF_INTERRUPT_TYPE]))
+    else:
+        # Only generate call when disabling interrupts (default is true)
+        cg.add(var.set_use_interrupt(use_interrupt))

esphome/components/haier/haier_base.cpp

@@ -171,7 +171,7 @@ void HaierClimateBase::toggle_power() {
       PendingAction({ActionRequest::TOGGLE_POWER, esphome::optional<haier_protocol::HaierMessage>()});
 }
 
-void HaierClimateBase::set_supported_swing_modes(const std::set<climate::ClimateSwingMode> &modes) {
+void HaierClimateBase::set_supported_swing_modes(climate::ClimateSwingModeMask modes) {
   this->traits_.set_supported_swing_modes(modes);
   if (!modes.empty())
     this->traits_.add_supported_swing_mode(climate::CLIMATE_SWING_OFF);
@@ -179,13 +179,13 @@ void HaierClimateBase::set_supported_swing_modes(const std::set<climate::Climate
 
 void HaierClimateBase::set_answer_timeout(uint32_t timeout) { this->haier_protocol_.set_answer_timeout(timeout); }
 
-void HaierClimateBase::set_supported_modes(const std::set<climate::ClimateMode> &modes) {
+void HaierClimateBase::set_supported_modes(climate::ClimateModeMask modes) {
   this->traits_.set_supported_modes(modes);
   this->traits_.add_supported_mode(climate::CLIMATE_MODE_OFF);        // Always available
   this->traits_.add_supported_mode(climate::CLIMATE_MODE_HEAT_COOL);  // Always available
 }
 
-void HaierClimateBase::set_supported_presets(const std::set<climate::ClimatePreset> &presets) {
+void HaierClimateBase::set_supported_presets(climate::ClimatePresetMask presets) {
   this->traits_.set_supported_presets(presets);
   if (!presets.empty())
     this->traits_.add_supported_preset(climate::CLIMATE_PRESET_NONE);

esphome/components/haier/haier_base.h

@@ -1,7 +1,6 @@
 #pragma once
 
 #include <chrono>
-#include <set>
 #include "esphome/components/climate/climate.h"
 #include "esphome/components/uart/uart.h"
 #include "esphome/core/automation.h"
@@ -60,9 +59,9 @@ class HaierClimateBase : public esphome::Component,
   void send_power_off_command();
   void toggle_power();
   void reset_protocol() { this->reset_protocol_request_ = true; };
-  void set_supported_modes(const std::set<esphome::climate::ClimateMode> &modes);
-  void set_supported_swing_modes(const std::set<esphome::climate::ClimateSwingMode> &modes);
-  void set_supported_presets(const std::set<esphome::climate::ClimatePreset> &presets);
+  void set_supported_modes(esphome::climate::ClimateModeMask modes);
+  void set_supported_swing_modes(esphome::climate::ClimateSwingModeMask modes);
+  void set_supported_presets(esphome::climate::ClimatePresetMask presets);
   bool valid_connection() const { return this->protocol_phase_ >= ProtocolPhases::IDLE; };
   size_t available() noexcept override { return esphome::uart::UARTDevice::available(); };
   size_t read_array(uint8_t *data, size_t len) noexcept override {

esphome/components/haier/hon_climate.cpp

@@ -1033,9 +1033,9 @@ haier_protocol::HandlerError HonClimate::process_status_message_(const uint8_t *
   {
     // Swing mode
     ClimateSwingMode old_swing_mode = this->swing_mode;
-    const std::set<ClimateSwingMode> &swing_modes = traits_.get_supported_swing_modes();
-    bool vertical_swing_supported = swing_modes.find(CLIMATE_SWING_VERTICAL) != swing_modes.end();
-    bool horizontal_swing_supported = swing_modes.find(CLIMATE_SWING_HORIZONTAL) != swing_modes.end();
+    const auto &swing_modes = traits_.get_supported_swing_modes();
+    bool vertical_swing_supported = swing_modes.count(CLIMATE_SWING_VERTICAL);
+    bool horizontal_swing_supported = swing_modes.count(CLIMATE_SWING_HORIZONTAL);
     if (horizontal_swing_supported &&
         (packet.control.horizontal_swing_mode == (uint8_t) hon_protocol::HorizontalSwingMode::AUTO)) {
       if (vertical_swing_supported &&
@@ -1218,13 +1218,13 @@ void HonClimate::fill_control_messages_queue_() {
                                                 (uint8_t) hon_protocol::DataParameters::QUIET_MODE,
                                             quiet_mode_buf, 2);
     }
-    if ((fast_mode_buf[1] != 0xFF) && ((presets.find(climate::ClimatePreset::CLIMATE_PRESET_BOOST) != presets.end()))) {
+    if ((fast_mode_buf[1] != 0xFF) && presets.count(climate::ClimatePreset::CLIMATE_PRESET_BOOST)) {
       this->control_messages_queue_.emplace(haier_protocol::FrameType::CONTROL,
                                             (uint16_t) hon_protocol::SubcommandsControl::SET_SINGLE_PARAMETER +
                                                 (uint8_t) hon_protocol::DataParameters::FAST_MODE,
                                             fast_mode_buf, 2);
     }
-    if ((away_mode_buf[1] != 0xFF) && ((presets.find(climate::ClimatePreset::CLIMATE_PRESET_AWAY) != presets.end()))) {
+    if ((away_mode_buf[1] != 0xFF) && presets.count(climate::ClimatePreset::CLIMATE_PRESET_AWAY)) {
       this->control_messages_queue_.emplace(haier_protocol::FrameType::CONTROL,
                                             (uint16_t) hon_protocol::SubcommandsControl::SET_SINGLE_PARAMETER +
                                                 (uint8_t) hon_protocol::DataParameters::TEN_DEGREE,

esphome/components/hbridge/fan/hbridge_fan.h

@@ -1,7 +1,5 @@
 #pragma once
 
-#include <set>
-
 #include "esphome/core/automation.h"
 #include "esphome/components/output/binary_output.h"
 #include "esphome/components/output/float_output.h"
@@ -22,7 +20,7 @@ class HBridgeFan : public Component, public fan::Fan {
   void set_pin_a(output::FloatOutput *pin_a) { pin_a_ = pin_a; }
   void set_pin_b(output::FloatOutput *pin_b) { pin_b_ = pin_b; }
   void set_enable_pin(output::FloatOutput *enable) { enable_ = enable; }
-  void set_preset_modes(const std::set<std::string> &presets) { preset_modes_ = presets; }
+  void set_preset_modes(std::initializer_list<const char *> presets) { preset_modes_ = presets; }
 
   void setup() override;
   void dump_config() override;
@@ -38,7 +36,7 @@ class HBridgeFan : public Component, public fan::Fan {
   int speed_count_{};
   DecayMode decay_mode_{DECAY_MODE_SLOW};
   fan::FanTraits traits_;
-  std::set<std::string> preset_modes_{};
+  std::vector<const char *> preset_modes_{};
 
   void control(const fan::FanCall &call) override;
   void write_state_();

esphome/components/heatpumpir/heatpumpir.h

@@ -97,12 +97,11 @@ const float TEMP_MAX = 100;  // Celsius
 class HeatpumpIRClimate : public climate_ir::ClimateIR {
  public:
   HeatpumpIRClimate()
-      : climate_ir::ClimateIR(
-            TEMP_MIN, TEMP_MAX, 1.0f, true, true,
-            std::set<climate::ClimateFanMode>{climate::CLIMATE_FAN_LOW, climate::CLIMATE_FAN_MEDIUM,
-                                              climate::CLIMATE_FAN_HIGH, climate::CLIMATE_FAN_AUTO},
-            std::set<climate::ClimateSwingMode>{climate::CLIMATE_SWING_OFF, climate::CLIMATE_SWING_HORIZONTAL,
-                                                climate::CLIMATE_SWING_VERTICAL, climate::CLIMATE_SWING_BOTH}) {}
+      : climate_ir::ClimateIR(TEMP_MIN, TEMP_MAX, 1.0f, true, true,
+                              {climate::CLIMATE_FAN_LOW, climate::CLIMATE_FAN_MEDIUM, climate::CLIMATE_FAN_HIGH,
+                               climate::CLIMATE_FAN_AUTO},
+                              {climate::CLIMATE_SWING_OFF, climate::CLIMATE_SWING_HORIZONTAL,
+                               climate::CLIMATE_SWING_VERTICAL, climate::CLIMATE_SWING_BOTH}) {}
   void setup() override;
   void set_protocol(Protocol protocol) { this->protocol_ = protocol; }
   void set_horizontal_default(HorizontalDirection horizontal_direction) {

esphome/components/http_request/__init__.py

@@ -12,7 +12,6 @@ from esphome.const import (
     CONF_ON_ERROR,
     CONF_ON_RESPONSE,
     CONF_TIMEOUT,
-    CONF_TRIGGER_ID,
     CONF_URL,
     CONF_WATCHDOG_TIMEOUT,
     PLATFORM_HOST,
@@ -216,16 +215,8 @@ HTTP_REQUEST_ACTION_SCHEMA = cv.Schema(
             f"{CONF_VERIFY_SSL} has moved to the base component configuration."
         ),
         cv.Optional(CONF_CAPTURE_RESPONSE, default=False): cv.boolean,
-        cv.Optional(CONF_ON_RESPONSE): automation.validate_automation(
-            {cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(HttpRequestResponseTrigger)}
-        ),
-        cv.Optional(CONF_ON_ERROR): automation.validate_automation(
-            {
-                cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(
-                    automation.Trigger.template()
-                )
-            }
-        ),
+        cv.Optional(CONF_ON_RESPONSE): automation.validate_automation(single=True),
+        cv.Optional(CONF_ON_ERROR): automation.validate_automation(single=True),
         cv.Optional(CONF_MAX_RESPONSE_BUFFER_SIZE, default="1kB"): cv.validate_bytes,
     }
 )
@@ -280,7 +271,12 @@ async def http_request_action_to_code(config, action_id, template_arg, args):
     template_ = await cg.templatable(config[CONF_URL], args, cg.std_string)
     cg.add(var.set_url(template_))
     cg.add(var.set_method(config[CONF_METHOD]))
-    cg.add(var.set_capture_response(config[CONF_CAPTURE_RESPONSE]))
+
+    capture_response = config[CONF_CAPTURE_RESPONSE]
+    if capture_response:
+        cg.add(var.set_capture_response(capture_response))
+        cg.add_define("USE_HTTP_REQUEST_RESPONSE")
+
     cg.add(var.set_max_response_buffer_size(config[CONF_MAX_RESPONSE_BUFFER_SIZE]))
 
     if CONF_BODY in config:
@@ -303,21 +299,26 @@ async def http_request_action_to_code(config, action_id, template_arg, args):
     for value in config.get(CONF_COLLECT_HEADERS, []):
         cg.add(var.add_collect_header(value))
 
-    for conf in config.get(CONF_ON_RESPONSE, []):
-        trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID])
-        cg.add(var.register_response_trigger(trigger))
-        await automation.build_automation(
-            trigger,
-            [
-                (cg.std_shared_ptr.template(HttpContainer), "response"),
-                (cg.std_string_ref, "body"),
-            ],
-            conf,
-        )
-    for conf in config.get(CONF_ON_ERROR, []):
-        trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID])
-        cg.add(var.register_error_trigger(trigger))
-        await automation.build_automation(trigger, [], conf)
+    if response_conf := config.get(CONF_ON_RESPONSE):
+        if capture_response:
+            await automation.build_automation(
+                var.get_success_trigger_with_response(),
+                [
+                    (cg.std_shared_ptr.template(HttpContainer), "response"),
+                    (cg.std_string_ref, "body"),
+                    *args,
+                ],
+                response_conf,
+            )
+        else:
+            await automation.build_automation(
+                var.get_success_trigger(),
+                [(cg.std_shared_ptr.template(HttpContainer), "response"), *args],
+                response_conf,
+            )
+
+    if error_conf := config.get(CONF_ON_ERROR):
+        await automation.build_automation(var.get_error_trigger(), args, error_conf)
 
     return var
 

esphome/components/http_request/http_request.h

@@ -183,7 +183,9 @@ template<typename... Ts> class HttpRequestSendAction : public Action<Ts...> {
   TEMPLATABLE_VALUE(std::string, url)
   TEMPLATABLE_VALUE(const char *, method)
   TEMPLATABLE_VALUE(std::string, body)
+#ifdef USE_HTTP_REQUEST_RESPONSE
   TEMPLATABLE_VALUE(bool, capture_response)
+#endif
 
   void add_request_header(const char *key, TemplatableValue<const char *, Ts...> value) {
     this->request_headers_.insert({key, value});
@@ -195,9 +197,14 @@ template<typename... Ts> class HttpRequestSendAction : public Action<Ts...> {
 
   void set_json(std::function<void(Ts..., JsonObject)> json_func) { this->json_func_ = json_func; }
 
-  void register_response_trigger(HttpRequestResponseTrigger *trigger) { this->response_triggers_.push_back(trigger); }
+#ifdef USE_HTTP_REQUEST_RESPONSE
+  Trigger<std::shared_ptr<HttpContainer>, std::string &, Ts...> *get_success_trigger_with_response() const {
+    return this->success_trigger_with_response_;
+  }
+#endif
+  Trigger<std::shared_ptr<HttpContainer>, Ts...> *get_success_trigger() const { return this->success_trigger_; }
 
-  void register_error_trigger(Trigger<> *trigger) { this->error_triggers_.push_back(trigger); }
+  Trigger<Ts...> *get_error_trigger() const { return this->error_trigger_; }
 
   void set_max_response_buffer_size(size_t max_response_buffer_size) {
     this->max_response_buffer_size_ = max_response_buffer_size;
@@ -228,17 +235,20 @@ template<typename... Ts> class HttpRequestSendAction : public Action<Ts...> {
     auto container = this->parent_->start(this->url_.value(x...), this->method_.value(x...), body, request_headers,
                                           this->collect_headers_);
 
+    auto captured_args = std::make_tuple(x...);
+
     if (container == nullptr) {
-      for (auto *trigger : this->error_triggers_)
-        trigger->trigger();
+      std::apply([this](Ts... captured_args_inner) { this->error_trigger_->trigger(captured_args_inner...); },
+                 captured_args);
       return;
     }
 
     size_t content_length = container->content_length;
     size_t max_length = std::min(content_length, this->max_response_buffer_size_);
 
-    std::string response_body;
+#ifdef USE_HTTP_REQUEST_RESPONSE
     if (this->capture_response_.value(x...)) {
+      std::string response_body;
       RAMAllocator<uint8_t> allocator;
       uint8_t *buf = allocator.allocate(max_length);
       if (buf != nullptr) {
@@ -253,19 +263,17 @@ template<typename... Ts> class HttpRequestSendAction : public Action<Ts...> {
         response_body.assign((char *) buf, read_index);
         allocator.deallocate(buf, max_length);
       }
-    }
-
-    if (this->response_triggers_.size() == 1) {
-      // if there is only one trigger, no need to copy the response body
-      this->response_triggers_[0]->process(container, response_body);
-    } else {
-      for (auto *trigger : this->response_triggers_) {
-        // with multiple triggers, pass a copy of the response body to each
-        // one so that modifications made in one trigger are not visible to
-        // the others
-        auto response_body_copy = std::string(response_body);
-        trigger->process(container, response_body_copy);
-      }
+      std::apply(
+          [this, &container, &response_body](Ts... captured_args_inner) {
+            this->success_trigger_with_response_->trigger(container, response_body, captured_args_inner...);
+          },
+          captured_args);
+    } else
+#endif
+    {
+      std::apply([this, &container](
+                     Ts... captured_args_inner) { this->success_trigger_->trigger(container, captured_args_inner...); },
+                 captured_args);
     }
     container->end();
   }
@@ -283,8 +291,13 @@ template<typename... Ts> class HttpRequestSendAction : public Action<Ts...> {
   std::set<std::string> collect_headers_{"content-type", "content-length"};
   std::map<const char *, TemplatableValue<std::string, Ts...>> json_{};
   std::function<void(Ts..., JsonObject)> json_func_{nullptr};
-  std::vector<HttpRequestResponseTrigger *> response_triggers_{};
-  std::vector<Trigger<> *> error_triggers_{};
+#ifdef USE_HTTP_REQUEST_RESPONSE
+  Trigger<std::shared_ptr<HttpContainer>, std::string &, Ts...> *success_trigger_with_response_ =
+      new Trigger<std::shared_ptr<HttpContainer>, std::string &, Ts...>();
+#endif
+  Trigger<std::shared_ptr<HttpContainer>, Ts...> *success_trigger_ =
+      new Trigger<std::shared_ptr<HttpContainer>, Ts...>();
+  Trigger<Ts...> *error_trigger_ = new Trigger<Ts...>();
 
   size_t max_response_buffer_size_{SIZE_MAX};
 };

esphome/components/image/__init__.py

@@ -671,18 +671,33 @@ async def write_image(config, all_frames=False):
     resize = config.get(CONF_RESIZE)
     if is_svg_file(path):
         # Local import so use of non-SVG files needn't require cairosvg installed
+        from pyexpat import ExpatError
+        from xml.etree.ElementTree import ParseError
+
         from cairosvg import svg2png
+        from cairosvg.helpers import PointError
 
         if not resize:
             resize = (None, None)
-        with open(path, "rb") as file:
-            image = svg2png(
-                file_obj=file,
-                output_width=resize[0],
-                output_height=resize[1],
-            )
-        image = Image.open(io.BytesIO(image))
-        width, height = image.size
+        try:
+            with open(path, "rb") as file:
+                image = svg2png(
+                    file_obj=file,
+                    output_width=resize[0],
+                    output_height=resize[1],
+                )
+            image = Image.open(io.BytesIO(image))
+            width, height = image.size
+        except (
+            ValueError,
+            ParseError,
+            IndexError,
+            ExpatError,
+            AttributeError,
+            TypeError,
+            PointError,
+        ) as e:
+            raise core.EsphomeError(f"Could not load SVG image {path}: {e}") from e
     else:
         image = Image.open(path)
         width, height = image.size

esphome/components/image/image.cpp

@@ -125,7 +125,7 @@ lv_img_dsc_t *Image::get_lv_img_dsc() {
 
       case IMAGE_TYPE_RGB:
 #if LV_COLOR_DEPTH == 32
-        switch (this->transparent_) {
+        switch (this->transparency_) {
           case TRANSPARENCY_ALPHA_CHANNEL:
             this->dsc_.header.cf = LV_IMG_CF_TRUE_COLOR_ALPHA;
             break;
@@ -156,7 +156,8 @@ lv_img_dsc_t *Image::get_lv_img_dsc() {
             break;
         }
 #else
-        this->dsc_.header.cf = this->transparent_ == TRANSPARENCY_ALPHA_CHANNEL ? LV_IMG_CF_RGB565A8 : LV_IMG_CF_RGB565;
+        this->dsc_.header.cf =
+            this->transparency_ == TRANSPARENCY_ALPHA_CHANNEL ? LV_IMG_CF_RGB565A8 : LV_IMG_CF_RGB565;
 #endif
         break;
     }

esphome/components/ld2410/ld2410.cpp

@@ -121,9 +121,9 @@ constexpr Uint8ToString OUT_PIN_LEVELS_BY_UINT[] = {
 };
 
 // Helper functions for lookups
-template<size_t N> uint8_t find_uint8(const StringToUint8 (&arr)[N], const std::string &str) {
+template<size_t N> uint8_t find_uint8(const StringToUint8 (&arr)[N], const char *str) {
   for (const auto &entry : arr) {
-    if (str == entry.str)
+    if (strcmp(str, entry.str) == 0)
       return entry.value;
   }
   return 0xFF;  // Not found
@@ -441,7 +441,7 @@ bool LD2410Component::handle_ack_data_() {
       ESP_LOGV(TAG, "Baud rate change");
 #ifdef USE_SELECT
       if (this->baud_rate_select_ != nullptr) {
-        ESP_LOGE(TAG, "Change baud rate to %s and reinstall", this->baud_rate_select_->state.c_str());
+        ESP_LOGE(TAG, "Change baud rate to %s and reinstall", this->baud_rate_select_->current_option());
       }
 #endif
       break;
@@ -626,14 +626,14 @@ void LD2410Component::set_bluetooth(bool enable) {
   this->set_timeout(200, [this]() { this->restart_and_read_all_info(); });
 }
 
-void LD2410Component::set_distance_resolution(const std::string &state) {
+void LD2410Component::set_distance_resolution(const char *state) {
   this->set_config_mode_(true);
   const uint8_t cmd_value[2] = {find_uint8(DISTANCE_RESOLUTIONS_BY_STR, state), 0x00};
   this->send_command_(CMD_SET_DISTANCE_RESOLUTION, cmd_value, sizeof(cmd_value));
   this->set_timeout(200, [this]() { this->restart_and_read_all_info(); });
 }
 
-void LD2410Component::set_baud_rate(const std::string &state) {
+void LD2410Component::set_baud_rate(const char *state) {
   this->set_config_mode_(true);
   const uint8_t cmd_value[2] = {find_uint8(BAUD_RATES_BY_STR, state), 0x00};
   this->send_command_(CMD_SET_BAUD_RATE, cmd_value, sizeof(cmd_value));
@@ -759,10 +759,10 @@ void LD2410Component::set_light_out_control() {
 #endif
 #ifdef USE_SELECT
   if (this->light_function_select_ != nullptr && this->light_function_select_->has_state()) {
-    this->light_function_ = find_uint8(LIGHT_FUNCTIONS_BY_STR, this->light_function_select_->state);
+    this->light_function_ = find_uint8(LIGHT_FUNCTIONS_BY_STR, this->light_function_select_->current_option());
   }
   if (this->out_pin_level_select_ != nullptr && this->out_pin_level_select_->has_state()) {
-    this->out_pin_level_ = find_uint8(OUT_PIN_LEVELS_BY_STR, this->out_pin_level_select_->state);
+    this->out_pin_level_ = find_uint8(OUT_PIN_LEVELS_BY_STR, this->out_pin_level_select_->current_option());
   }
 #endif
   this->set_config_mode_(true);

esphome/components/ld2410/ld2410.h

@@ -98,8 +98,8 @@ class LD2410Component : public Component, public uart::UARTDevice {
   void read_all_info();
   void restart_and_read_all_info();
   void set_bluetooth(bool enable);
-  void set_distance_resolution(const std::string &state);
-  void set_baud_rate(const std::string &state);
+  void set_distance_resolution(const char *state);
+  void set_baud_rate(const char *state);
   void factory_reset();
 
  protected:

esphome/components/ld2410/select/baud_rate_select.cpp

@@ -3,9 +3,9 @@
 namespace esphome {
 namespace ld2410 {
 
-void BaudRateSelect::control(const std::string &value) {
-  this->publish_state(value);
-  this->parent_->set_baud_rate(state);
+void BaudRateSelect::control(size_t index) {
+  this->publish_state(index);
+  this->parent_->set_baud_rate(this->option_at(index));
 }
 
 }  // namespace ld2410

esphome/components/ld2410/select/baud_rate_select.h

@@ -11,7 +11,7 @@ class BaudRateSelect : public select::Select, public Parented<LD2410Component> {
   BaudRateSelect() = default;
 
  protected:
-  void control(const std::string &value) override;
+  void control(size_t index) override;
 };
 
 }  // namespace ld2410

esphome/components/ld2410/select/distance_resolution_select.cpp

@@ -3,9 +3,9 @@
 namespace esphome {
 namespace ld2410 {
 
-void DistanceResolutionSelect::control(const std::string &value) {
-  this->publish_state(value);
-  this->parent_->set_distance_resolution(state);
+void DistanceResolutionSelect::control(size_t index) {
+  this->publish_state(index);
+  this->parent_->set_distance_resolution(this->option_at(index));
 }
 
 }  // namespace ld2410

esphome/components/ld2410/select/distance_resolution_select.h

@@ -11,7 +11,7 @@ class DistanceResolutionSelect : public select::Select, public Parented<LD2410Co
   DistanceResolutionSelect() = default;
 
  protected:
-  void control(const std::string &value) override;
+  void control(size_t index) override;
 };
 
 }  // namespace ld2410

esphome/components/ld2410/select/light_out_control_select.cpp

@@ -3,8 +3,8 @@
 namespace esphome {
 namespace ld2410 {
 
-void LightOutControlSelect::control(const std::string &value) {
-  this->publish_state(value);
+void LightOutControlSelect::control(size_t index) {
+  this->publish_state(index);
   this->parent_->set_light_out_control();
 }
 

esphome/components/ld2410/select/light_out_control_select.h

@@ -11,7 +11,7 @@ class LightOutControlSelect : public select::Select, public Parented<LD2410Compo
   LightOutControlSelect() = default;
 
  protected:
-  void control(const std::string &value) override;
+  void control(size_t index) override;
 };
 
 }  // namespace ld2410

esphome/components/ld2412/ld2412.cpp

@@ -132,9 +132,9 @@ constexpr Uint8ToString OUT_PIN_LEVELS_BY_UINT[] = {
 };
 
 // Helper functions for lookups
-template<size_t N> uint8_t find_uint8(const StringToUint8 (&arr)[N], const std::string &str) {
+template<size_t N> uint8_t find_uint8(const StringToUint8 (&arr)[N], const char *str) {
   for (const auto &entry : arr) {
-    if (str == entry.str) {
+    if (strcmp(str, entry.str) == 0) {
       return entry.value;
     }
   }
@@ -485,7 +485,7 @@ bool LD2412Component::handle_ack_data_() {
       ESP_LOGV(TAG, "Baud rate change");
 #ifdef USE_SELECT
       if (this->baud_rate_select_ != nullptr) {
-        ESP_LOGW(TAG, "Change baud rate to %s and reinstall", this->baud_rate_select_->state.c_str());
+        ESP_LOGW(TAG, "Change baud rate to %s and reinstall", this->baud_rate_select_->current_option());
       }
 #endif
       break;
@@ -699,14 +699,14 @@ void LD2412Component::set_bluetooth(bool enable) {
   this->set_timeout(200, [this]() { this->restart_and_read_all_info(); });
 }
 
-void LD2412Component::set_distance_resolution(const std::string &state) {
+void LD2412Component::set_distance_resolution(const char *state) {
   this->set_config_mode_(true);
   const uint8_t cmd_value[6] = {find_uint8(DISTANCE_RESOLUTIONS_BY_STR, state), 0x00, 0x00, 0x00, 0x00, 0x00};
   this->send_command_(CMD_SET_DISTANCE_RESOLUTION, cmd_value, sizeof(cmd_value));
   this->set_timeout(200, [this]() { this->restart_and_read_all_info(); });
 }
 
-void LD2412Component::set_baud_rate(const std::string &state) {
+void LD2412Component::set_baud_rate(const char *state) {
   this->set_config_mode_(true);
   const uint8_t cmd_value[2] = {find_uint8(BAUD_RATES_BY_STR, state), 0x00};
   this->send_command_(CMD_SET_BAUD_RATE, cmd_value, sizeof(cmd_value));
@@ -783,7 +783,7 @@ void LD2412Component::set_basic_config() {
       1,    TOTAL_GATES, DEFAULT_PRESENCE_TIMEOUT, 0,
 #endif
 #ifdef USE_SELECT
-      find_uint8(OUT_PIN_LEVELS_BY_STR, this->out_pin_level_select_->state),
+      find_uint8(OUT_PIN_LEVELS_BY_STR, this->out_pin_level_select_->current_option()),
 #else
       0x01,  // Default value if not using select
 #endif
@@ -837,7 +837,7 @@ void LD2412Component::set_light_out_control() {
 #endif
 #ifdef USE_SELECT
   if (this->light_function_select_ != nullptr && this->light_function_select_->has_state()) {
-    this->light_function_ = find_uint8(LIGHT_FUNCTIONS_BY_STR, this->light_function_select_->state);
+    this->light_function_ = find_uint8(LIGHT_FUNCTIONS_BY_STR, this->light_function_select_->current_option());
   }
 #endif
   uint8_t value[2] = {this->light_function_, this->light_threshold_};

esphome/components/ld2412/ld2412.h

@@ -99,8 +99,8 @@ class LD2412Component : public Component, public uart::UARTDevice {
   void read_all_info();
   void restart_and_read_all_info();
   void set_bluetooth(bool enable);
-  void set_distance_resolution(const std::string &state);
-  void set_baud_rate(const std::string &state);
+  void set_distance_resolution(const char *state);
+  void set_baud_rate(const char *state);
   void factory_reset();
   void start_dynamic_background_correction();
 

esphome/components/ld2412/select/baud_rate_select.cpp

@@ -3,9 +3,9 @@
 namespace esphome {
 namespace ld2412 {
 
-void BaudRateSelect::control(const std::string &value) {
-  this->publish_state(value);
-  this->parent_->set_baud_rate(state);
+void BaudRateSelect::control(size_t index) {
+  this->publish_state(index);
+  this->parent_->set_baud_rate(this->option_at(index));
 }
 
 }  // namespace ld2412

esphome/components/ld2412/select/baud_rate_select.h

@@ -11,7 +11,7 @@ class BaudRateSelect : public select::Select, public Parented<LD2412Component> {
   BaudRateSelect() = default;
 
  protected:
-  void control(const std::string &value) override;
+  void control(size_t index) override;
 };
 
 }  // namespace ld2412

esphome/components/ld2412/select/distance_resolution_select.cpp

@@ -3,9 +3,9 @@
 namespace esphome {
 namespace ld2412 {
 
-void DistanceResolutionSelect::control(const std::string &value) {
-  this->publish_state(value);
-  this->parent_->set_distance_resolution(state);
+void DistanceResolutionSelect::control(size_t index) {
+  this->publish_state(index);
+  this->parent_->set_distance_resolution(this->option_at(index));
 }
 
 }  // namespace ld2412

esphome/components/ld2412/select/distance_resolution_select.h

@@ -11,7 +11,7 @@ class DistanceResolutionSelect : public select::Select, public Parented<LD2412Co
   DistanceResolutionSelect() = default;
 
  protected:
-  void control(const std::string &value) override;
+  void control(size_t index) override;
 };
 
 }  // namespace ld2412

esphome/components/ld2412/select/light_out_control_select.cpp

@@ -3,8 +3,8 @@
 namespace esphome {
 namespace ld2412 {
 
-void LightOutControlSelect::control(const std::string &value) {
-  this->publish_state(value);
+void LightOutControlSelect::control(size_t index) {
+  this->publish_state(index);
   this->parent_->set_light_out_control();
 }
 

esphome/components/ld2412/select/light_out_control_select.h

@@ -11,7 +11,7 @@ class LightOutControlSelect : public select::Select, public Parented<LD2412Compo
   LightOutControlSelect() = default;
 
  protected:
-  void control(const std::string &value) override;
+  void control(size_t index) override;
 };
 
 }  // namespace ld2412

esphome/components/ld2420/ld2420.cpp

@@ -131,8 +131,8 @@ static const uint8_t CMD_FRAME_STATUS = 7;
 static const uint8_t CMD_ERROR_WORD = 8;
 static const uint8_t ENERGY_SENSOR_START = 9;
 static const uint8_t CALIBRATE_REPORT_INTERVAL = 4;
-static const std::string OP_NORMAL_MODE_STRING = "Normal";
-static const std::string OP_SIMPLE_MODE_STRING = "Simple";
+static const char *const OP_NORMAL_MODE_STRING = "Normal";
+static const char *const OP_SIMPLE_MODE_STRING = "Simple";
 
 // Memory-efficient lookup tables
 struct StringToUint8 {
@@ -379,7 +379,7 @@ void LD2420Component::report_gate_data() {
   ESP_LOGI(TAG, "Total samples: %d", this->total_sample_number_counter);
 }
 
-void LD2420Component::set_operating_mode(const std::string &state) {
+void LD2420Component::set_operating_mode(const char *state) {
   // If unsupported firmware ignore mode select
   if (ld2420::get_firmware_int(firmware_ver_) >= CALIBRATE_VERSION_MIN) {
     this->current_operating_mode = find_uint8(OP_MODE_BY_STR, state);

esphome/components/ld2420/ld2420.h

@@ -107,7 +107,7 @@ class LD2420Component : public Component, public uart::UARTDevice {
   int send_cmd_from_array(CmdFrameT cmd_frame);
   void report_gate_data();
   void handle_cmd_error(uint8_t error);
-  void set_operating_mode(const std::string &state);
+  void set_operating_mode(const char *state);
   void auto_calibrate_sensitivity();
   void update_radar_data(uint16_t const *gate_energy, uint8_t sample_number);
   uint8_t set_config_mode(bool enable);

esphome/components/ld2420/select/operating_mode_select.cpp

@@ -7,9 +7,9 @@ namespace ld2420 {
 
 static const char *const TAG = "ld2420.select";
 
-void LD2420Select::control(const std::string &value) {
-  this->publish_state(value);
-  this->parent_->set_operating_mode(value);
+void LD2420Select::control(size_t index) {
+  this->publish_state(index);
+  this->parent_->set_operating_mode(this->option_at(index));
 }
 
 }  // namespace ld2420

esphome/components/ld2420/select/operating_mode_select.h

@@ -11,7 +11,7 @@ class LD2420Select : public Component, public select::Select, public Parented<LD
   LD2420Select() = default;
 
  protected:
-  void control(const std::string &value) override;
+  void control(size_t index) override;
 };
 
 }  // namespace ld2420

esphome/components/ld2450/ld2450.cpp

@@ -380,7 +380,7 @@ void LD2450Component::read_all_info() {
   this->set_config_mode_(false);
 #ifdef USE_SELECT
   const auto baud_rate = std::to_string(this->parent_->get_baud_rate());
-  if (this->baud_rate_select_ != nullptr && this->baud_rate_select_->state != baud_rate) {
+  if (this->baud_rate_select_ != nullptr && strcmp(this->baud_rate_select_->current_option(), baud_rate.c_str()) != 0) {
     this->baud_rate_select_->publish_state(baud_rate);
   }
   this->publish_zone_type();
@@ -635,7 +635,7 @@ bool LD2450Component::handle_ack_data_() {
       ESP_LOGV(TAG, "Baud rate change");
 #ifdef USE_SELECT
       if (this->baud_rate_select_ != nullptr) {
-        ESP_LOGE(TAG, "Change baud rate to %s and reinstall", this->baud_rate_select_->state.c_str());
+        ESP_LOGE(TAG, "Change baud rate to %s and reinstall", this->baud_rate_select_->current_option());
       }
 #endif
       break;
@@ -716,7 +716,7 @@ bool LD2450Component::handle_ack_data_() {
       this->publish_zone_type();
 #ifdef USE_SELECT
       if (this->zone_type_select_ != nullptr) {
-        ESP_LOGV(TAG, "Change zone type to: %s", this->zone_type_select_->state.c_str());
+        ESP_LOGV(TAG, "Change zone type to: %s", this->zone_type_select_->current_option());
       }
 #endif
       if (this->buffer_data_[10] == 0x00) {
@@ -790,7 +790,7 @@ void LD2450Component::set_bluetooth(bool enable) {
 }
 
 // Set Baud rate
-void LD2450Component::set_baud_rate(const std::string &state) {
+void LD2450Component::set_baud_rate(const char *state) {
   this->set_config_mode_(true);
   const uint8_t cmd_value[2] = {find_uint8(BAUD_RATES_BY_STR, state), 0x00};
   this->send_command_(CMD_SET_BAUD_RATE, cmd_value, sizeof(cmd_value));
@@ -798,8 +798,8 @@ void LD2450Component::set_baud_rate(const std::string &state) {
 }
 
 // Set Zone Type - one of: Disabled, Detection, Filter
-void LD2450Component::set_zone_type(const std::string &state) {
-  ESP_LOGV(TAG, "Set zone type: %s", state.c_str());
+void LD2450Component::set_zone_type(const char *state) {
+  ESP_LOGV(TAG, "Set zone type: %s", state);
   uint8_t zone_type = find_uint8(ZONE_TYPE_BY_STR, state);
   this->zone_type_ = zone_type;
   this->send_set_zone_command_();

esphome/components/ld2450/ld2450.h

@@ -115,8 +115,8 @@ class LD2450Component : public Component, public uart::UARTDevice {
   void restart_and_read_all_info();
   void set_bluetooth(bool enable);
   void set_multi_target(bool enable);
-  void set_baud_rate(const std::string &state);
-  void set_zone_type(const std::string &state);
+  void set_baud_rate(const char *state);
+  void set_zone_type(const char *state);
   void publish_zone_type();
   void factory_reset();
 #ifdef USE_TEXT_SENSOR

esphome/components/ld2450/select/baud_rate_select.cpp

@@ -3,9 +3,9 @@
 namespace esphome {
 namespace ld2450 {
 
-void BaudRateSelect::control(const std::string &value) {
-  this->publish_state(value);
-  this->parent_->set_baud_rate(state);
+void BaudRateSelect::control(size_t index) {
+  this->publish_state(index);
+  this->parent_->set_baud_rate(this->option_at(index));
 }
 
 }  // namespace ld2450

esphome/components/ld2450/select/baud_rate_select.h

@@ -11,7 +11,7 @@ class BaudRateSelect : public select::Select, public Parented<LD2450Component> {
   BaudRateSelect() = default;
 
  protected:
-  void control(const std::string &value) override;
+  void control(size_t index) override;
 };
 
 }  // namespace ld2450

esphome/components/ld2450/select/zone_type_select.cpp

@@ -3,9 +3,9 @@
 namespace esphome {
 namespace ld2450 {
 
-void ZoneTypeSelect::control(const std::string &value) {
-  this->publish_state(value);
-  this->parent_->set_zone_type(state);
+void ZoneTypeSelect::control(size_t index) {
+  this->publish_state(index);
+  this->parent_->set_zone_type(this->option_at(index));
 }
 
 }  // namespace ld2450

esphome/components/ld2450/select/zone_type_select.h

@@ -11,7 +11,7 @@ class ZoneTypeSelect : public select::Select, public Parented<LD2450Component> {
   ZoneTypeSelect() = default;
 
  protected:
-  void control(const std::string &value) override;
+  void control(size_t index) override;
 };
 
 }  // namespace ld2450

esphome/components/lock/__init__.py

@@ -91,11 +91,6 @@ def lock_schema(
     return _LOCK_SCHEMA.extend(schema)
 
 
-# Remove before 2025.11.0
-LOCK_SCHEMA = lock_schema()
-LOCK_SCHEMA.add_extra(cv.deprecated_schema_constant("lock"))
-
-
 async def _setup_lock_core(var, config):
     await setup_entity(var, config, "lock")
 

esphome/components/logger/__init__.py

@@ -173,14 +173,34 @@ def uart_selection(value):
     raise NotImplementedError
 
 
-def validate_local_no_higher_than_global(value):
-    global_level = LOG_LEVEL_SEVERITY.index(value[CONF_LEVEL])
-    for tag, level in value.get(CONF_LOGS, {}).items():
-        if LOG_LEVEL_SEVERITY.index(level) > global_level:
-            raise cv.Invalid(
-                f"The configured log level for {tag} ({level}) must be no more severe than the global log level {value[CONF_LEVEL]}."
+def validate_local_no_higher_than_global(config):
+    global_level = config[CONF_LEVEL]
+    global_level_index = LOG_LEVEL_SEVERITY.index(global_level)
+    errs = []
+    for tag, level in config.get(CONF_LOGS, {}).items():
+        if LOG_LEVEL_SEVERITY.index(level) > global_level_index:
+            errs.append(
+                cv.Invalid(
+                    f"The configured log level for {tag} ({level}) must not be less severe than the global log level ({global_level})",
+                    [CONF_LOGS, tag],
+                )
             )
-    return value
+    if errs:
+        raise cv.MultipleInvalid(errs)
+    return config
+
+
+def validate_initial_no_higher_than_global(config):
+    if initial_level := config.get(CONF_INITIAL_LEVEL):
+        global_level = config[CONF_LEVEL]
+        if LOG_LEVEL_SEVERITY.index(initial_level) > LOG_LEVEL_SEVERITY.index(
+            global_level
+        ):
+            raise cv.Invalid(
+                f"The initial log level ({initial_level}) must not be less severe than the global log level ({global_level})",
+                [CONF_INITIAL_LEVEL],
+            )
+    return config
 
 
 Logger = logger_ns.class_("Logger", cg.Component)
@@ -263,6 +283,7 @@ CONFIG_SCHEMA = cv.All(
         }
     ).extend(cv.COMPONENT_SCHEMA),
     validate_local_no_higher_than_global,
+    validate_initial_no_higher_than_global,
 )
 
 

esphome/components/logger/select/logger_level_select.cpp

@@ -3,10 +3,10 @@
 namespace esphome::logger {
 
 void LoggerLevelSelect::publish_state(int level) {
-  const auto &option = this->at(level_to_index(level));
-  if (!option)
+  auto index = level_to_index(level);
+  if (!this->has_index(index))
     return;
-  Select::publish_state(option.value());
+  Select::publish_state(index);
 }
 
 void LoggerLevelSelect::setup() {
@@ -14,11 +14,6 @@ void LoggerLevelSelect::setup() {
   this->publish_state(this->parent_->get_log_level());
 }
 
-void LoggerLevelSelect::control(const std::string &value) {
-  const auto index = this->index_of(value);
-  if (!index)
-    return;
-  this->parent_->set_log_level(index_to_level(index.value()));
-}
+void LoggerLevelSelect::control(size_t index) { this->parent_->set_log_level(index_to_level(index)); }
 
 }  // namespace esphome::logger

esphome/components/logger/select/logger_level_select.h

@@ -9,7 +9,7 @@ class LoggerLevelSelect : public Component, public select::Select, public Parent
  public:
   void publish_state(int level);
   void setup() override;
-  void control(const std::string &value) override;
+  void control(size_t index) override;
 
  protected:
   // Convert log level to option index (skip CONFIG at level 4)

esphome/components/lvgl/__init__.py

@@ -58,7 +58,7 @@ from .types import (
     FontEngine,
     IdleTrigger,
     ObjUpdateAction,
-    PauseTrigger,
+    PlainTrigger,
     lv_font_t,
     lv_group_t,
     lv_style_t,
@@ -151,6 +151,13 @@ for w_type in WIDGET_TYPES.values():
         create_modify_schema(w_type),
     )(update_to_code)
 
+SIMPLE_TRIGGERS = (
+    df.CONF_ON_PAUSE,
+    df.CONF_ON_RESUME,
+    df.CONF_ON_DRAW_START,
+    df.CONF_ON_DRAW_END,
+)
+
 
 def as_macro(macro, value):
     if value is None:
@@ -244,9 +251,9 @@ def final_validation(configs):
         for w in refreshed_widgets:
             path = global_config.get_path_for_id(w)
             widget_conf = global_config.get_config_for_path(path[:-1])
-            if not any(isinstance(v, Lambda) for v in widget_conf.values()):
+            if not any(isinstance(v, (Lambda, dict)) for v in widget_conf.values()):
                 raise cv.Invalid(
-                    f"Widget '{w}' does not have any templated properties to refresh",
+                    f"Widget '{w}' does not have any dynamic properties to refresh",
                 )
 
 
@@ -366,16 +373,16 @@ async def to_code(configs):
                     conf[CONF_TRIGGER_ID], lv_component, templ
                 )
                 await build_automation(idle_trigger, [], conf)
-            for conf in config.get(df.CONF_ON_PAUSE, ()):
-                pause_trigger = cg.new_Pvariable(
-                    conf[CONF_TRIGGER_ID], lv_component, True
-                )
-                await build_automation(pause_trigger, [], conf)
-            for conf in config.get(df.CONF_ON_RESUME, ()):
-                resume_trigger = cg.new_Pvariable(
-                    conf[CONF_TRIGGER_ID], lv_component, False
-                )
-                await build_automation(resume_trigger, [], conf)
+            for trigger_name in SIMPLE_TRIGGERS:
+                if conf := config.get(trigger_name):
+                    trigger_var = cg.new_Pvariable(conf[CONF_TRIGGER_ID])
+                    await build_automation(trigger_var, [], conf)
+                    cg.add(
+                        getattr(
+                            lv_component,
+                            f"set_{trigger_name.removeprefix('on_')}_trigger",
+                        )(trigger_var)
+                    )
             await add_on_boot_triggers(config.get(CONF_ON_BOOT, ()))
 
     # This must be done after all widgets are created
@@ -443,16 +450,15 @@ LVGL_SCHEMA = cv.All(
                         ),
                     }
                 ),
-                cv.Optional(df.CONF_ON_PAUSE): validate_automation(
-                    {
-                        cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(PauseTrigger),
-                    }
-                ),
-                cv.Optional(df.CONF_ON_RESUME): validate_automation(
-                    {
-                        cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(PauseTrigger),
-                    }
-                ),
+                **{
+                    cv.Optional(x): validate_automation(
+                        {
+                            cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(PlainTrigger),
+                        },
+                        single=True,
+                    )
+                    for x in SIMPLE_TRIGGERS
+                },
                 cv.Exclusive(df.CONF_WIDGETS, CONF_PAGES): cv.ensure_list(
                     WIDGET_SCHEMA
                 ),

esphome/components/lvgl/automation.py

@@ -137,7 +137,11 @@ async def lvgl_is_idle(config, condition_id, template_arg, args):
     lvgl = config[CONF_LVGL_ID]
     timeout = await lv_milliseconds.process(config[CONF_TIMEOUT])
     async with LambdaContext(LVGL_COMP_ARG, return_type=cg.bool_) as context:
-        lv_add(ReturnStatement(lvgl_comp.is_idle(timeout)))
+        lv_add(
+            ReturnStatement(
+                lv_expr.disp_get_inactive_time(lvgl_comp.get_disp()) > timeout
+            )
+        )
     var = cg.new_Pvariable(
         condition_id,
         TemplateArguments(LvglComponent, *template_arg),
@@ -400,7 +404,8 @@ async def obj_refresh_to_code(config, action_id, template_arg, args):
         # must pass all widget-specific options here, even if not templated, but only do so if at least one is
         # templated. First filter out common style properties.
         config = {k: v for k, v in widget.config.items() if k not in ALL_STYLES}
-        if any(isinstance(v, Lambda) for v in config.values()):
+        # Check if v is a Lambda or a dict, implying it is dynamic
+        if any(isinstance(v, (Lambda, dict)) for v in config.values()):
             await widget.type.to_code(widget, config)
             if (
                 widget.type.w_type.value_property is not None

esphome/components/lvgl/binary_sensor/__init__.py

@@ -31,7 +31,7 @@ async def to_code(config):
             lvgl_static.add_event_cb(
                 widget.obj,
                 await pressed_ctx.get_lambda(),
-                LV_EVENT.PRESSING,
+                LV_EVENT.PRESSED,
                 LV_EVENT.RELEASED,
             )
         )

esphome/components/lvgl/defines.py

@@ -5,6 +5,7 @@ Constants already defined in esphome.const are not duplicated here and must be i
 """
 
 import logging
+from typing import TYPE_CHECKING, Any
 
 from esphome import codegen as cg, config_validation as cv
 from esphome.const import CONF_ITEMS
@@ -12,6 +13,7 @@ from esphome.core import ID, Lambda
 from esphome.cpp_generator import LambdaExpression, MockObj
 from esphome.cpp_types import uint32
 from esphome.schema_extractors import SCHEMA_EXTRACT, schema_extractor
+from esphome.types import Expression, SafeExpType
 
 from .helpers import requires_component
 
@@ -42,7 +44,13 @@ def static_cast(type, value):
 def call_lambda(lamb: LambdaExpression):
     expr = lamb.content.strip()
     if expr.startswith("return") and expr.endswith(";"):
-        return expr[6:][:-1].strip()
+        return expr[6:-1].strip()
+    # If lambda has parameters, call it with those parameter names
+    # Parameter names come from hardcoded component code (like "x", "it", "event")
+    # not from user input, so they're safe to use directly
+    if lamb.parameters and lamb.parameters.parameters:
+        param_names = ", ".join(str(param.id) for param in lamb.parameters.parameters)
+        return f"{lamb}({param_names})"
     return f"{lamb}()"
 
 
@@ -65,10 +73,20 @@ class LValidator:
             return cv.returning_lambda(value)
         return self.validator(value)
 
-    async def process(self, value, args=()):
+    async def process(
+        self, value: Any, args: list[tuple[SafeExpType, str]] | None = None
+    ) -> Expression:
         if value is None:
             return None
         if isinstance(value, Lambda):
+            # Local import to avoid circular import
+            from .lvcode import CodeContext, LambdaContext
+
+            if TYPE_CHECKING:
+                # CodeContext does not have get_automation_parameters
+                # so we need to assert the type here
+                assert isinstance(CodeContext.code_context, LambdaContext)
+            args = args or CodeContext.code_context.get_automation_parameters()
             return cg.RawExpression(
                 call_lambda(
                     await cg.process_lambda(value, args, return_type=self.rtype)
@@ -465,6 +483,8 @@ CONF_MSGBOXES = "msgboxes"
 CONF_OBJ = "obj"
 CONF_ONE_CHECKED = "one_checked"
 CONF_ONE_LINE = "one_line"
+CONF_ON_DRAW_START = "on_draw_start"
+CONF_ON_DRAW_END = "on_draw_end"
 CONF_ON_PAUSE = "on_pause"
 CONF_ON_RESUME = "on_resume"
 CONF_ON_SELECT = "on_select"

esphome/components/lvgl/lv_validation.py

@@ -1,3 +1,5 @@
+from typing import TYPE_CHECKING, Any
+
 import esphome.codegen as cg
 from esphome.components import image
 from esphome.components.color import CONF_HEX, ColorStruct, from_rgbw
@@ -17,6 +19,7 @@ from esphome.cpp_generator import MockObj
 from esphome.cpp_types import ESPTime, int32, uint32
 from esphome.helpers import cpp_string_escape
 from esphome.schema_extractors import SCHEMA_EXTRACT, schema_extractor
+from esphome.types import Expression, SafeExpType
 
 from . import types as ty
 from .defines import (
@@ -388,11 +391,23 @@ class TextValidator(LValidator):
             return value
         return super().__call__(value)
 
-    async def process(self, value, args=()):
+    async def process(
+        self, value: Any, args: list[tuple[SafeExpType, str]] | None = None
+    ) -> Expression:
+        # Local import to avoid circular import at module level
+
+        from .lvcode import CodeContext, LambdaContext
+
+        if TYPE_CHECKING:
+            # CodeContext does not have get_automation_parameters
+            # so we need to assert the type here
+            assert isinstance(CodeContext.code_context, LambdaContext)
+        args = args or CodeContext.code_context.get_automation_parameters()
+
         if isinstance(value, dict):
             if format_str := value.get(CONF_FORMAT):
-                args = [str(x) for x in value[CONF_ARGS]]
-                arg_expr = cg.RawExpression(",".join(args))
+                str_args = [str(x) for x in value[CONF_ARGS]]
+                arg_expr = cg.RawExpression(",".join(str_args))
                 format_str = cpp_string_escape(format_str)
                 return literal(f"str_sprintf({format_str}, {arg_expr}).c_str()")
             if time_format := value.get(CONF_TIME_FORMAT):

esphome/components/lvgl/lvcode.py

@@ -164,6 +164,9 @@ class LambdaContext(CodeContext):
             code_text.append(text)
         return code_text
 
+    def get_automation_parameters(self) -> list[tuple[SafeExpType, str]]:
+        return self.parameters
+
     async def __aenter__(self):
         await super().__aenter__()
         add_line_marks(self.where)
@@ -178,9 +181,8 @@ class LvContext(LambdaContext):
 
     added_lambda_count = 0
 
-    def __init__(self, args=None):
-        self.args = args or LVGL_COMP_ARG
-        super().__init__(parameters=self.args)
+    def __init__(self):
+        super().__init__(parameters=LVGL_COMP_ARG)
 
     async def __aexit__(self, exc_type, exc_val, exc_tb):
         await super().__aexit__(exc_type, exc_val, exc_tb)
@@ -189,6 +191,11 @@ class LvContext(LambdaContext):
         cg.add(expression)
         return expression
 
+    def get_automation_parameters(self) -> list[tuple[SafeExpType, str]]:
+        # When generating automations, we don't want the `lv_component` parameter to be passed
+        # to the lambda.
+        return []
+
     def __call__(self, *args):
         return self.add(*args)