Merge branch 'dev' into max6956_gpio_cache_banks

.github/workflows/ci.yml

@@ -180,7 +180,6 @@ 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: ${{ steps.determine.outputs.component-test-batches }}
     steps:
       - name: Check out code from GitHub
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
@@ -215,7 +214,6 @@ jobs:
           echo "memory-impact=$(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
@@ -460,7 +458,7 @@ jobs:
       GH_TOKEN: ${{ github.token }}
     strategy:
       fail-fast: false
-      max-parallel: 2
+      max-parallel: 1
       matrix:
         include:
           - id: clang-tidy
@@ -538,18 +536,59 @@ 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.determine-jobs.outputs.component-test-batches) }}
+        components: ${{ fromJson(needs.test-build-components-splitter.outputs.matrix) }}
     steps:
       - name: Show disk space
         run: |
@@ -941,6 +980,7 @@ 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@0499de31b99561a6d14a36a5f662c2a54f91beee # v4.31.2
+        uses: github/codeql-action/init@4e94bd11f71e507f7f87df81788dff88d1dacbfb # v4.31.0
         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@0499de31b99561a6d14a36a5f662c2a54f91beee # v4.31.2
+        uses: github/codeql-action/analyze@4e94bd11f71e507f7f87df81788dff88d1dacbfb # v4.31.0
         with:
           category: "/language:${{matrix.language}}"

.pre-commit-config.yaml

@@ -11,7 +11,7 @@ ci:
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
     # Ruff version.
-    rev: v0.14.3
+    rev: v0.14.2
     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() and has_resolvable_address():
+                    if has_api() and has_non_ip_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() and has_resolvable_address():
+                    if has_ota() and has_non_ip_address():
                         resolved.extend(_resolve_with_cache(CORE.address, purpose))
             else:
                 resolved.append(device)
@@ -318,17 +318,7 @@ 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
-    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")
+    return CORE.address is not None
 
 
 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, Lambda
+from esphome.core import ID
 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("This trigger allows only a single automation")
+                raise cv.Invalid("Cannot have more than 1 automation for templates")
             return value[0]
         return value
 
@@ -310,30 +310,6 @@ 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/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_no_template) = "std::vector<const char *>"];
+  repeated string supported_preset_modes = 12 [(container_pointer) = "std::set"];
   uint32 device_id = 13 [(field_ifdef) = "USE_DEVICES"];
 }
 // Deprecated in API version 1.6 - only used in deprecated fields

esphome/components/api/api_connection.cpp

@@ -410,8 +410,8 @@ uint16_t APIConnection::try_send_fan_state(EntityBase *entity, APIConnection *co
   }
   if (traits.supports_direction())
     msg.direction = static_cast<enums::FanDirection>(fan->direction);
-  if (traits.supports_preset_modes() && fan->has_preset_mode())
-    msg.set_preset_mode(StringRef(fan->get_preset_mode()));
+  if (traits.supports_preset_modes())
+    msg.set_preset_mode(StringRef(fan->preset_mode));
   return fill_and_encode_entity_state(fan, msg, FanStateResponse::MESSAGE_TYPE, conn, remaining_size, is_single);
 }
 uint16_t APIConnection::try_send_fan_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
@@ -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();
+  msg.supported_preset_modes = &traits.supported_preset_modes_for_api_();
   return fill_and_encode_entity_info(fan, msg, ListEntitiesFanResponse::MESSAGE_TYPE, conn, remaining_size, is_single);
 }
 void APIConnection::fan_command(const FanCommandRequest &msg) {

esphome/components/api/api_frame_helper_noise.cpp

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

esphome/components/api/api_frame_helper_plaintext.cpp

@@ -230,7 +230,8 @@ APIError APIPlaintextFrameHelper::write_protobuf_packets(ProtoWriteBuffer buffer
     return APIError::OK;
   }
 
-  uint8_t *buffer_data = buffer.get_buffer()->data();
+  std::vector<uint8_t> *raw_buffer = buffer.get_buffer();
+  uint8_t *buffer_data = raw_buffer->data();  // Cache buffer pointer
 
   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 char *it : *this->supported_preset_modes) {
-    buffer.encode_string(12, it, strlen(it), true);
+  for (const auto &it : *this->supported_preset_modes) {
+    buffer.encode_string(12, 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 char *it : *this->supported_preset_modes) {
-      size.add_length_force(1, strlen(it));
+    for (const auto &it : *this->supported_preset_modes) {
+      size.add_length_force(1, it.size());
     }
   }
 #ifdef USE_DEVICES

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::vector<const char *> *supported_preset_modes{};
+  const std::set<std::string> *supported_preset_modes{};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
 #ifdef HAS_PROTO_MESSAGE_DUMP

esphome/components/ble_client/sensor/ble_sensor.cpp

@@ -77,9 +77,6 @@ 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

@@ -79,9 +79,6 @@ 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/copy/fan/copy_fan.cpp

@@ -12,7 +12,7 @@ void CopyFan::setup() {
     this->oscillating = source_->oscillating;
     this->speed = source_->speed;
     this->direction = source_->direction;
-    this->set_preset_mode_(source_->get_preset_mode());
+    this->preset_mode = source_->preset_mode;
     this->publish_state();
   });
 
@@ -20,7 +20,7 @@ void CopyFan::setup() {
   this->oscillating = source_->oscillating;
   this->speed = source_->speed;
   this->direction = source_->direction;
-  this->set_preset_mode_(source_->get_preset_mode());
+  this->preset_mode = source_->preset_mode;
   this->publish_state();
 }
 
@@ -49,7 +49,7 @@ void CopyFan::control(const fan::FanCall &call) {
     call2.set_speed(*call.get_speed());
   if (call.get_direction().has_value())
     call2.set_direction(*call.get_direction());
-  if (call.has_preset_mode())
+  if (!call.get_preset_mode().empty())
     call2.set_preset_mode(call.get_preset_mode());
   call2.perform();
 }

esphome/components/e131/e131.cpp

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

esphome/components/e131/e131.h

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

esphome/components/esp32/core.cpp

@@ -96,11 +96,7 @@ 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

@@ -7,7 +7,6 @@ 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 (
@@ -482,14 +481,6 @@ 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

@@ -27,34 +27,10 @@ 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_()) {
@@ -297,21 +273,10 @@ 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);
@@ -409,12 +374,6 @@ 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_) {
@@ -455,48 +414,60 @@ void ESP32BLE::loop() {
             break;
 
           // Scan complete events
-          GAP_SCAN_COMPLETE_EVENTS:
-          // Advertising complete events
-          GAP_ADV_COMPLETE_EVENTS:
-          // RSSI complete event
-          case ESP_GAP_BLE_READ_RSSI_COMPLETE_EVT:
-          // Security events
-          GAP_SECURITY_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
-            {
-              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;
+            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;
 
-                // 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;
+          // 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;
 
-                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;
+          // 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;
 
-                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);
-              }
+          // 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:
+            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));
             }
 #endif
             break;
@@ -576,13 +547,23 @@ 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:
-    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:
     // Advertising events - used by esp32_ble_beacon and esp32_ble server
-    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:
     // Connection events - used by ble_client
     case ESP_GAP_BLE_READ_RSSI_COMPLETE_EVT:
     // Security events - used by ble_client and bluetooth_proxy
-    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:
       enqueue_ble_event(event, param);
       return;
 
@@ -603,10 +584,6 @@ 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
 
@@ -614,10 +591,6 @@ 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
 
@@ -657,89 +630,6 @@ 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

@@ -25,10 +25,6 @@
 #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
@@ -166,13 +162,6 @@ 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);
 
@@ -207,13 +196,6 @@ 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
 
@@ -225,29 +207,6 @@ 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

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

esphome/components/esphome/ota/ota_esphome.h

@@ -53,7 +53,6 @@ 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/fan/automation.h

@@ -212,19 +212,18 @@ class FanPresetSetTrigger : public Trigger<std::string> {
  public:
   FanPresetSetTrigger(Fan *state) {
     state->add_on_state_callback([this, state]() {
-      const auto *preset_mode = state->get_preset_mode();
+      auto preset_mode = state->preset_mode;
       auto should_trigger = preset_mode != this->last_preset_mode_;
       this->last_preset_mode_ = preset_mode;
       if (should_trigger) {
-        // Trigger with empty string when nullptr to maintain backward compatibility
-        this->trigger(preset_mode != nullptr ? preset_mode : "");
+        this->trigger(preset_mode);
       }
     });
-    this->last_preset_mode_ = state->get_preset_mode();
+    this->last_preset_mode_ = state->preset_mode;
   }
 
  protected:
-  const char *last_preset_mode_{nullptr};
+  std::string last_preset_mode_;
 };
 
 }  // namespace fan

esphome/components/fan/fan.cpp

@@ -17,27 +17,6 @@ const LogString *fan_direction_to_string(FanDirection direction) {
   }
 }
 
-FanCall &FanCall::set_preset_mode(const std::string &preset_mode) { return this->set_preset_mode(preset_mode.c_str()); }
-
-FanCall &FanCall::set_preset_mode(const char *preset_mode) {
-  if (preset_mode == nullptr || strlen(preset_mode) == 0) {
-    this->preset_mode_ = nullptr;
-    return *this;
-  }
-
-  // Find and validate pointer from traits immediately
-  auto traits = this->parent_.get_traits();
-  const char *validated_mode = traits.find_preset_mode(preset_mode);
-  if (validated_mode != nullptr) {
-    this->preset_mode_ = validated_mode;  // Store pointer from traits
-  } else {
-    // Preset mode not found in traits - log warning and don't set
-    ESP_LOGW(TAG, "%s: Preset mode '%s' not supported", this->parent_.get_name().c_str(), preset_mode);
-    this->preset_mode_ = nullptr;
-  }
-  return *this;
-}
-
 void FanCall::perform() {
   ESP_LOGD(TAG, "'%s' - Setting:", this->parent_.get_name().c_str());
   this->validate_();
@@ -53,8 +32,8 @@ void FanCall::perform() {
   if (this->direction_.has_value()) {
     ESP_LOGD(TAG, "  Direction: %s", LOG_STR_ARG(fan_direction_to_string(*this->direction_)));
   }
-  if (this->has_preset_mode()) {
-    ESP_LOGD(TAG, "  Preset Mode: %s", this->preset_mode_);
+  if (!this->preset_mode_.empty()) {
+    ESP_LOGD(TAG, "  Preset Mode: %s", this->preset_mode_.c_str());
   }
   this->parent_.control(*this);
 }
@@ -67,15 +46,23 @@ void FanCall::validate_() {
 
     // https://developers.home-assistant.io/docs/core/entity/fan/#preset-modes
     // "Manually setting a speed must disable any set preset mode"
-    this->preset_mode_ = nullptr;
+    this->preset_mode_.clear();
+  }
+
+  if (!this->preset_mode_.empty()) {
+    const auto &preset_modes = traits.supported_preset_modes();
+    if (preset_modes.find(this->preset_mode_) == preset_modes.end()) {
+      ESP_LOGW(TAG, "%s: Preset mode '%s' not supported", this->parent_.get_name().c_str(), this->preset_mode_.c_str());
+      this->preset_mode_.clear();
+    }
   }
 
   // when turning on...
   if (!this->parent_.state && this->binary_state_.has_value() &&
       *this->binary_state_
       // ..,and no preset mode will be active...
-      && !this->has_preset_mode() &&
-      this->parent_.get_preset_mode() == nullptr
+      && this->preset_mode_.empty() &&
+      this->parent_.preset_mode.empty()
       // ...and neither current nor new speed is available...
       && traits.supports_speed() && this->parent_.speed == 0 && !this->speed_.has_value()) {
     // ...set speed to 100%
@@ -105,12 +92,11 @@ FanCall FanRestoreState::to_call(Fan &fan) {
   call.set_speed(this->speed);
   call.set_direction(this->direction);
 
-  auto traits = fan.get_traits();
-  if (traits.supports_preset_modes()) {
+  if (fan.get_traits().supports_preset_modes()) {
     // Use stored preset index to get preset name
-    const auto &preset_modes = traits.supported_preset_modes();
+    const auto &preset_modes = fan.get_traits().supported_preset_modes();
     if (this->preset_mode < preset_modes.size()) {
-      call.set_preset_mode(preset_modes[this->preset_mode]);
+      call.set_preset_mode(*std::next(preset_modes.begin(), this->preset_mode));
     }
   }
   return call;
@@ -121,15 +107,13 @@ void FanRestoreState::apply(Fan &fan) {
   fan.speed = this->speed;
   fan.direction = this->direction;
 
-  auto traits = fan.get_traits();
-  if (traits.supports_preset_modes()) {
-    // Use stored preset index to get preset name from traits
-    const auto &preset_modes = traits.supported_preset_modes();
+  if (fan.get_traits().supports_preset_modes()) {
+    // Use stored preset index to get preset name
+    const auto &preset_modes = fan.get_traits().supported_preset_modes();
     if (this->preset_mode < preset_modes.size()) {
-      fan.set_preset_mode_(preset_modes[this->preset_mode]);
+      fan.preset_mode = *std::next(preset_modes.begin(), this->preset_mode);
     }
   }
-
   fan.publish_state();
 }
 
@@ -138,29 +122,6 @@ FanCall Fan::turn_off() { return this->make_call().set_state(false); }
 FanCall Fan::toggle() { return this->make_call().set_state(!this->state); }
 FanCall Fan::make_call() { return FanCall(*this); }
 
-const char *Fan::find_preset_mode_(const char *preset_mode) { return this->get_traits().find_preset_mode(preset_mode); }
-
-bool Fan::set_preset_mode_(const char *preset_mode) {
-  if (preset_mode == nullptr) {
-    // Treat nullptr as clearing the preset mode
-    if (this->preset_mode_ == nullptr) {
-      return false;  // No change
-    }
-    this->clear_preset_mode_();
-    return true;
-  }
-  const char *validated = this->find_preset_mode_(preset_mode);
-  if (validated == nullptr || this->preset_mode_ == validated) {
-    return false;  // Preset mode not supported or no change
-  }
-  this->preset_mode_ = validated;
-  return true;
-}
-
-bool Fan::set_preset_mode_(const std::string &preset_mode) { return this->set_preset_mode_(preset_mode.c_str()); }
-
-void Fan::clear_preset_mode_() { this->preset_mode_ = nullptr; }
-
 void Fan::add_on_state_callback(std::function<void()> &&callback) { this->state_callback_.add(std::move(callback)); }
 void Fan::publish_state() {
   auto traits = this->get_traits();
@@ -176,9 +137,8 @@ void Fan::publish_state() {
   if (traits.supports_direction()) {
     ESP_LOGD(TAG, "  Direction: %s", LOG_STR_ARG(fan_direction_to_string(this->direction)));
   }
-  const char *preset = this->get_preset_mode();
-  if (preset != nullptr) {
-    ESP_LOGD(TAG, "  Preset Mode: %s", preset);
+  if (traits.supports_preset_modes() && !this->preset_mode.empty()) {
+    ESP_LOGD(TAG, "  Preset Mode: %s", this->preset_mode.c_str());
   }
   this->state_callback_.call();
   this->save_state_();
@@ -222,24 +182,18 @@ 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;
 
-  const char *preset = this->get_preset_mode();
-  if (preset != nullptr) {
-    const auto &preset_modes = traits.supported_preset_modes();
-    // Find index of current preset mode (pointer comparison is safe since preset is from traits)
-    for (size_t i = 0; i < preset_modes.size(); i++) {
-      if (preset_modes[i] == preset) {
-        state.preset_mode = i;
-        break;
-      }
-    }
+  if (this->get_traits().supports_preset_modes() && !this->preset_mode.empty()) {
+    const auto &preset_modes = this->get_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);
   }
 
   this->rtc_.save(&state);
@@ -262,8 +216,8 @@ void Fan::dump_traits_(const char *tag, const char *prefix) {
   }
   if (traits.supports_preset_modes()) {
     ESP_LOGCONFIG(tag, "%s  Supported presets:", prefix);
-    for (const char *s : traits.supported_preset_modes())
-      ESP_LOGCONFIG(tag, "%s    - %s", prefix, s);
+    for (const std::string &s : traits.supported_preset_modes())
+      ESP_LOGCONFIG(tag, "%s    - %s", prefix, s.c_str());
   }
 }
 

esphome/components/fan/fan.h

@@ -70,10 +70,11 @@ class FanCall {
     return *this;
   }
   optional<FanDirection> get_direction() const { return this->direction_; }
-  FanCall &set_preset_mode(const std::string &preset_mode);
-  FanCall &set_preset_mode(const char *preset_mode);
-  const char *get_preset_mode() const { return this->preset_mode_; }
-  bool has_preset_mode() const { return this->preset_mode_ != nullptr; }
+  FanCall &set_preset_mode(const std::string &preset_mode) {
+    this->preset_mode_ = preset_mode;
+    return *this;
+  }
+  std::string get_preset_mode() const { return this->preset_mode_; }
 
   void perform();
 
@@ -85,7 +86,7 @@ class FanCall {
   optional<bool> oscillating_;
   optional<int> speed_;
   optional<FanDirection> direction_{};
-  const char *preset_mode_{nullptr};  // Pointer to string in traits (after validation)
+  std::string preset_mode_{};
 };
 
 struct FanRestoreState {
@@ -111,6 +112,8 @@ class Fan : public EntityBase {
   int speed{0};
   /// The current direction of the fan
   FanDirection direction{FanDirection::FORWARD};
+  // The current preset mode of the fan
+  std::string preset_mode{};
 
   FanCall turn_on();
   FanCall turn_off();
@@ -127,15 +130,8 @@ class Fan : public EntityBase {
   /// Set the restore mode of this fan.
   void set_restore_mode(FanRestoreMode restore_mode) { this->restore_mode_ = restore_mode; }
 
-  /// Get the current preset mode (returns pointer to string stored in traits, or nullptr if not set)
-  const char *get_preset_mode() const { return this->preset_mode_; }
-
-  /// Check if a preset mode is currently active
-  bool has_preset_mode() const { return this->preset_mode_ != nullptr; }
-
  protected:
   friend FanCall;
-  friend struct FanRestoreState;
 
   virtual void control(const FanCall &call) = 0;
 
@@ -144,21 +140,9 @@ class Fan : public EntityBase {
 
   void dump_traits_(const char *tag, const char *prefix);
 
-  /// Set the preset mode (finds and stores pointer from traits). Returns true if changed.
-  bool set_preset_mode_(const char *preset_mode);
-  /// Set the preset mode (finds and stores pointer from traits). Returns true if changed.
-  bool set_preset_mode_(const std::string &preset_mode);
-  /// Clear the preset mode
-  void clear_preset_mode_();
-  /// Find and return the matching preset mode pointer from traits, or nullptr if not found.
-  const char *find_preset_mode_(const char *preset_mode);
-
   CallbackManager<void()> state_callback_{};
   ESPPreferenceObject rtc_;
   FanRestoreMode restore_mode_;
-
- private:
-  const char *preset_mode_{nullptr};
 };
 
 }  // namespace fan

esphome/components/fan/fan_traits.h

@@ -1,11 +1,16 @@
+#include <set>
+#include <utility>
+
 #pragma once
 
-#include <cstring>
-#include <vector>
-#include <initializer_list>
-
 namespace esphome {
 
+#ifdef USE_API
+namespace api {
+class APIConnection;
+}  // namespace api
+#endif
+
 namespace fan {
 
 class FanTraits {
@@ -31,38 +36,27 @@ 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.
-  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;
-
+  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; }
   /// Return if preset modes are supported
   bool supports_preset_modes() const { return !this->preset_modes_.empty(); }
-  /// Find and return the matching preset mode pointer from supported modes, or nullptr if not found.
-  const char *find_preset_mode(const char *preset_mode) const {
-    if (preset_mode == nullptr)
-      return nullptr;
-    for (const char *mode : this->preset_modes_) {
-      if (strcmp(mode, preset_mode) == 0) {
-        return mode;  // Return pointer from traits
-      }
-    }
-    return nullptr;
-  }
 
  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::vector<const char *> preset_modes_{};
+  std::set<std::string> preset_modes_{};
 };
 
 }  // namespace fan

esphome/components/gpio/binary_sensor/__init__.py

@@ -39,7 +39,6 @@ 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,
@@ -47,7 +46,7 @@ CONFIG_SCHEMA = (
                 esp8266=True,
                 host=True,
                 ln882x=False,
-                nrf52=False,
+                nrf52=True,
                 rp2040=True,
                 rtl87xx=False,
             ): cv.boolean,
@@ -95,8 +94,6 @@ 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/hbridge/fan/hbridge_fan.cpp

@@ -57,7 +57,7 @@ void HBridgeFan::control(const fan::FanCall &call) {
     this->oscillating = *call.get_oscillating();
   if (call.get_direction().has_value())
     this->direction = *call.get_direction();
-  this->set_preset_mode_(call.get_preset_mode());
+  this->preset_mode = call.get_preset_mode();
 
   this->write_state_();
   this->publish_state();

esphome/components/hbridge/fan/hbridge_fan.h

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

esphome/components/image/__init__.py

@@ -671,33 +671,18 @@ 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)
-        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
+        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
     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->transparency_) {
+        switch (this->transparent_) {
           case TRANSPARENCY_ALPHA_CHANNEL:
             this->dsc_.header.cf = LV_IMG_CF_TRUE_COLOR_ALPHA;
             break;
@@ -156,8 +156,7 @@ lv_img_dsc_t *Image::get_lv_img_dsc() {
             break;
         }
 #else
-        this->dsc_.header.cf =
-            this->transparency_ == TRANSPARENCY_ALPHA_CHANNEL ? LV_IMG_CF_RGB565A8 : LV_IMG_CF_RGB565;
+        this->dsc_.header.cf = this->transparent_ == TRANSPARENCY_ALPHA_CHANNEL ? LV_IMG_CF_RGB565A8 : LV_IMG_CF_RGB565;
 #endif
         break;
     }

esphome/components/lvgl/__init__.py

@@ -58,7 +58,7 @@ from .types import (
     FontEngine,
     IdleTrigger,
     ObjUpdateAction,
-    PlainTrigger,
+    PauseTrigger,
     lv_font_t,
     lv_group_t,
     lv_style_t,
@@ -151,13 +151,6 @@ 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:
@@ -251,9 +244,9 @@ 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, dict)) for v in widget_conf.values()):
+            if not any(isinstance(v, Lambda) for v in widget_conf.values()):
                 raise cv.Invalid(
-                    f"Widget '{w}' does not have any dynamic properties to refresh",
+                    f"Widget '{w}' does not have any templated properties to refresh",
                 )
 
 
@@ -373,16 +366,16 @@ async def to_code(configs):
                     conf[CONF_TRIGGER_ID], lv_component, templ
                 )
                 await build_automation(idle_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)
-                    )
+            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)
             await add_on_boot_triggers(config.get(CONF_ON_BOOT, ()))
 
     # This must be done after all widgets are created
@@ -450,15 +443,16 @@ LVGL_SCHEMA = cv.All(
                         ),
                     }
                 ),
-                **{
-                    cv.Optional(x): validate_automation(
-                        {
-                            cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(PlainTrigger),
-                        },
-                        single=True,
-                    )
-                    for x in SIMPLE_TRIGGERS
-                },
+                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.Exclusive(df.CONF_WIDGETS, CONF_PAGES): cv.ensure_list(
                     WIDGET_SCHEMA
                 ),

esphome/components/lvgl/automation.py

@@ -137,11 +137,7 @@ 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(
-                lv_expr.disp_get_inactive_time(lvgl_comp.get_disp()) > timeout
-            )
-        )
+        lv_add(ReturnStatement(lvgl_comp.is_idle(timeout)))
     var = cg.new_Pvariable(
         condition_id,
         TemplateArguments(LvglComponent, *template_arg),
@@ -404,8 +400,7 @@ 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}
-        # Check if v is a Lambda or a dict, implying it is dynamic
-        if any(isinstance(v, (Lambda, dict)) for v in config.values()):
+        if any(isinstance(v, Lambda) 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.PRESSED,
+                LV_EVENT.PRESSING,
                 LV_EVENT.RELEASED,
             )
         )

esphome/components/lvgl/defines.py

@@ -5,7 +5,6 @@ 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
@@ -13,7 +12,6 @@ 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
 
@@ -44,13 +42,7 @@ 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()
-    # 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 expr[6:][:-1].strip()
     return f"{lamb}()"
 
 
@@ -73,20 +65,10 @@ class LValidator:
             return cv.returning_lambda(value)
         return self.validator(value)
 
-    async def process(
-        self, value: Any, args: list[tuple[SafeExpType, str]] | None = None
-    ) -> Expression:
+    async def process(self, value, args=()):
         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)
@@ -483,8 +465,6 @@ 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

@@ -1,5 +1,3 @@
-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
@@ -19,7 +17,6 @@ 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 (
@@ -391,23 +388,11 @@ class TextValidator(LValidator):
             return value
         return super().__call__(value)
 
-    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()
-
+    async def process(self, value, args=()):
         if isinstance(value, dict):
             if format_str := value.get(CONF_FORMAT):
-                str_args = [str(x) for x in value[CONF_ARGS]]
-                arg_expr = cg.RawExpression(",".join(str_args))
+                args = [str(x) for x in value[CONF_ARGS]]
+                arg_expr = cg.RawExpression(",".join(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

@@ -164,9 +164,6 @@ 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)
@@ -181,8 +178,9 @@ class LvContext(LambdaContext):
 
     added_lambda_count = 0
 
-    def __init__(self):
-        super().__init__(parameters=LVGL_COMP_ARG)
+    def __init__(self, args=None):
+        self.args = args or LVGL_COMP_ARG
+        super().__init__(parameters=self.args)
 
     async def __aexit__(self, exc_type, exc_val, exc_tb):
         await super().__aexit__(exc_type, exc_val, exc_tb)
@@ -191,11 +189,6 @@ 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)
 

esphome/components/lvgl/lvgl_esphome.cpp

@@ -82,18 +82,6 @@ static void rounder_cb(lv_disp_drv_t *disp_drv, lv_area_t *area) {
   area->y2 = (area->y2 + draw_rounding) / draw_rounding * draw_rounding - 1;
 }
 
-void LvglComponent::monitor_cb(lv_disp_drv_t *disp_drv, uint32_t time, uint32_t px) {
-  ESP_LOGVV(TAG, "Draw end: %" PRIu32 " pixels in %" PRIu32 " ms", px, time);
-  auto *comp = static_cast<LvglComponent *>(disp_drv->user_data);
-  comp->draw_end_();
-}
-
-void LvglComponent::render_start_cb(lv_disp_drv_t *disp_drv) {
-  ESP_LOGVV(TAG, "Draw start");
-  auto *comp = static_cast<LvglComponent *>(disp_drv->user_data);
-  comp->draw_start_();
-}
-
 lv_event_code_t lv_api_event;     // NOLINT
 lv_event_code_t lv_update_event;  // NOLINT
 void LvglComponent::dump_config() {
@@ -113,10 +101,7 @@ void LvglComponent::set_paused(bool paused, bool show_snow) {
     lv_disp_trig_activity(this->disp_);  // resets the inactivity time
     lv_obj_invalidate(lv_scr_act());
   }
-  if (paused && this->pause_callback_ != nullptr)
-    this->pause_callback_->trigger();
-  if (!paused && this->resume_callback_ != nullptr)
-    this->resume_callback_->trigger();
+  this->pause_callbacks_.call(paused);
 }
 
 void LvglComponent::esphome_lvgl_init() {
@@ -240,6 +225,13 @@ IdleTrigger::IdleTrigger(LvglComponent *parent, TemplatableValue<uint32_t> timeo
   });
 }
 
+PauseTrigger::PauseTrigger(LvglComponent *parent, TemplatableValue<bool> paused) : paused_(std::move(paused)) {
+  parent->add_on_pause_callback([this](bool pausing) {
+    if (this->paused_.value() == pausing)
+      this->trigger();
+  });
+}
+
 #ifdef USE_LVGL_TOUCHSCREEN
 LVTouchListener::LVTouchListener(uint16_t long_press_time, uint16_t long_press_repeat_time, LvglComponent *parent) {
   this->set_parent(parent);
@@ -482,12 +474,6 @@ void LvglComponent::setup() {
       return;
     }
   }
-  if (this->draw_start_callback_ != nullptr) {
-    this->disp_drv_.render_start_cb = render_start_cb;
-  }
-  if (this->draw_end_callback_ != nullptr) {
-    this->disp_drv_.monitor_cb = monitor_cb;
-  }
 #if LV_USE_LOG
   lv_log_register_print_cb([](const char *buf) {
     auto next = strchr(buf, ')');
@@ -516,9 +502,8 @@ void LvglComponent::loop() {
   if (this->paused_) {
     if (this->show_snow_)
       this->write_random_();
-  } else {
-    lv_timer_handler_run_in_period(5);
   }
+  lv_timer_handler_run_in_period(5);
 }
 
 #ifdef USE_LVGL_ANIMIMG

esphome/components/lvgl/lvgl_esphome.h

@@ -171,10 +171,9 @@ class LvglComponent : public PollingComponent {
   void add_on_idle_callback(std::function<void(uint32_t)> &&callback) {
     this->idle_callbacks_.add(std::move(callback));
   }
-
-  static void monitor_cb(lv_disp_drv_t *disp_drv, uint32_t time, uint32_t px);
-  static void render_start_cb(lv_disp_drv_t *disp_drv);
+  void add_on_pause_callback(std::function<void(bool)> &&callback) { this->pause_callbacks_.add(std::move(callback)); }
   void dump_config() override;
+  bool is_idle(uint32_t idle_ms) { return lv_disp_get_inactive_time(this->disp_) > idle_ms; }
   lv_disp_t *get_disp() { return this->disp_; }
   lv_obj_t *get_scr_act() { return lv_disp_get_scr_act(this->disp_); }
   // Pause or resume the display.
@@ -214,20 +213,12 @@ class LvglComponent : public PollingComponent {
   size_t draw_rounding{2};
 
   display::DisplayRotation rotation{display::DISPLAY_ROTATION_0_DEGREES};
-  void set_pause_trigger(Trigger<> *trigger) { this->pause_callback_ = trigger; }
-  void set_resume_trigger(Trigger<> *trigger) { this->resume_callback_ = trigger; }
-  void set_draw_start_trigger(Trigger<> *trigger) { this->draw_start_callback_ = trigger; }
-  void set_draw_end_trigger(Trigger<> *trigger) { this->draw_end_callback_ = trigger; }
 
  protected:
-  // these functions are never called unless the callbacks are non-null since the
-  // LVGL callbacks that call them are not set unless the start/end callbacks are non-null
-  void draw_start_() const { this->draw_start_callback_->trigger(); }
-  void draw_end_() const { this->draw_end_callback_->trigger(); }
-
   void write_random_();
   void draw_buffer_(const lv_area_t *area, lv_color_t *ptr);
   void flush_cb_(lv_disp_drv_t *disp_drv, const lv_area_t *area, lv_color_t *color_p);
+
   std::vector<display::Display *> displays_{};
   size_t buffer_frac_{1};
   bool full_refresh_{};
@@ -244,10 +235,7 @@ class LvglComponent : public PollingComponent {
   std::map<lv_group_t *, lv_obj_t *> focus_marks_{};
 
   CallbackManager<void(uint32_t)> idle_callbacks_{};
-  Trigger<> *pause_callback_{};
-  Trigger<> *resume_callback_{};
-  Trigger<> *draw_start_callback_{};
-  Trigger<> *draw_end_callback_{};
+  CallbackManager<void(bool)> pause_callbacks_{};
   lv_color_t *rotate_buf_{};
 };
 
@@ -260,6 +248,14 @@ class IdleTrigger : public Trigger<> {
   bool is_idle_{};
 };
 
+class PauseTrigger : public Trigger<> {
+ public:
+  explicit PauseTrigger(LvglComponent *parent, TemplatableValue<bool> paused);
+
+ protected:
+  TemplatableValue<bool> paused_;
+};
+
 template<typename... Ts> class LvglAction : public Action<Ts...>, public Parented<LvglComponent> {
  public:
   explicit LvglAction(std::function<void(LvglComponent *)> &&lamb) : action_(std::move(lamb)) {}

esphome/components/lvgl/sensor/__init__.py

@@ -5,6 +5,7 @@ from ..defines import CONF_WIDGET
 from ..lvcode import (
     API_EVENT,
     EVENT_ARG,
+    LVGL_COMP_ARG,
     UPDATE_EVENT,
     LambdaContext,
     LvContext,
@@ -29,7 +30,7 @@ async def to_code(config):
     await wait_for_widgets()
     async with LambdaContext(EVENT_ARG) as lamb:
         lv_add(sensor.publish_state(widget.get_value()))
-    async with LvContext():
+    async with LvContext(LVGL_COMP_ARG):
         lv_add(
             lvgl_static.add_event_cb(
                 widget.obj,

esphome/components/lvgl/types.py

@@ -3,7 +3,6 @@ import sys
 from esphome import automation, codegen as cg
 from esphome.const import CONF_MAX_VALUE, CONF_MIN_VALUE, CONF_TEXT, CONF_VALUE
 from esphome.cpp_generator import MockObj, MockObjClass
-from esphome.cpp_types import esphome_ns
 
 from .defines import lvgl_ns
 from .lvcode import lv_expr
@@ -43,11 +42,8 @@ lv_event_code_t = cg.global_ns.enum("lv_event_code_t")
 lv_indev_type_t = cg.global_ns.enum("lv_indev_type_t")
 lv_key_t = cg.global_ns.enum("lv_key_t")
 FontEngine = lvgl_ns.class_("FontEngine")
-PlainTrigger = esphome_ns.class_("Trigger<>", automation.Trigger.template())
-DrawEndTrigger = esphome_ns.class_(
-    "Trigger<uint32_t, uint32_t>", automation.Trigger.template(cg.uint32, cg.uint32)
-)
 IdleTrigger = lvgl_ns.class_("IdleTrigger", automation.Trigger.template())
+PauseTrigger = lvgl_ns.class_("PauseTrigger", automation.Trigger.template())
 ObjUpdateAction = lvgl_ns.class_("ObjUpdateAction", automation.Action)
 LvglCondition = lvgl_ns.class_("LvglCondition", automation.Condition)
 LvglAction = lvgl_ns.class_("LvglAction", automation.Action)

esphome/components/lvgl/widgets/canvas.py

@@ -33,7 +33,7 @@ from ..lv_validation import (
     pixels,
     size,
 )
-from ..lvcode import LocalVariable, lv, lv_assign, lv_expr
+from ..lvcode import LocalVariable, lv, lv_assign
 from ..schemas import STYLE_PROPS, STYLE_REMAP, TEXT_SCHEMA, point_schema
 from ..types import LvType, ObjUpdateAction, WidgetType
 from . import Widget, get_widgets
@@ -70,18 +70,15 @@ class CanvasType(WidgetType):
         width = config[CONF_WIDTH]
         height = config[CONF_HEIGHT]
         use_alpha = "_ALPHA" if config[CONF_TRANSPARENT] else ""
-        buf_size = literal(
-            f"LV_CANVAS_BUF_SIZE_TRUE_COLOR{use_alpha}({width}, {height})"
+        lv.canvas_set_buffer(
+            w.obj,
+            lv.custom_mem_alloc(
+                literal(f"LV_CANVAS_BUF_SIZE_TRUE_COLOR{use_alpha}({width}, {height})")
+            ),
+            width,
+            height,
+            literal(f"LV_IMG_CF_TRUE_COLOR{use_alpha}"),
         )
-        with LocalVariable("buf", cg.void, lv_expr.custom_mem_alloc(buf_size)) as buf:
-            cg.add(cg.RawExpression(f"memset({buf}, 0, {buf_size});"))
-            lv.canvas_set_buffer(
-                w.obj,
-                buf,
-                width,
-                height,
-                literal(f"LV_IMG_CF_TRUE_COLOR{use_alpha}"),
-            )
 
 
 canvas_spec = CanvasType()

esphome/components/max6956/__init__.py

@@ -15,6 +15,7 @@ from esphome.const import (
 CODEOWNERS = ["@looping40"]
 
 DEPENDENCIES = ["i2c"]
+AUTO_LOAD = ["gpio_expander"]
 MULTI_CONF = True
 
 CONF_BRIGHTNESS_MODE = "brightness_mode"

esphome/components/max6956/max6956.cpp

@@ -40,14 +40,59 @@ void MAX6956::setup() {
   ESP_LOGD(TAG, "setup reg[0x%.2X]=0x%.2X", MAX6956_CONFIGURATION, configuration);
 }
 
-bool MAX6956::digital_read(uint8_t pin) {
-  uint8_t reg_addr = MAX6956_1PORT_VALUE_START + pin;
-  uint8_t value = 0;
-  this->read_reg_(reg_addr, &value);
-  return (value & MASK_1PORT_VALUE);
+void MAX6956::loop() {
+  // Invalidate cache at the start of each loop
+  this->reset_pin_cache_();
 }
 
-void MAX6956::digital_write(uint8_t pin, bool value) {
+bool MAX6956::digital_read_hw(uint8_t pin) {
+  // MAX6956 pins start at MAX6956_MIN
+  if (pin < MAX6956_MIN || pin > MAX6956_MAX) {
+    return false;
+  }
+
+  // Calculate bank index based on the base class view (no offset adjustment)
+  uint8_t bank_index = pin / MAX6956_BANK_SIZE;
+
+  static const uint8_t BANK_REGS[4] = {
+      MAX6956_4PORTS_4_7,    // Bank 0: 4 ports 4-7 (bits D0-D3, D4-D7 read as 0)
+      MAX6956_8PORTS_8_15,   // Bank 1: 8 ports 8-15 (bits D0-D7)
+      MAX6956_8PORTS_16_23,  // Bank 2: 8 ports 16-23 (bits D0-D7)
+      MAX6956_8PORTS_24_31,  // Bank 3: 8 ports 24-31 (bits D0-D7)
+  };
+
+  // Read the appropriate register
+  uint8_t value = 0;
+  if (!this->read_reg_(BANK_REGS[bank_index], &value)) {
+    return false;
+  }
+
+  // Store in cache with proper alignment
+  if (bank_index == 0) {
+    // Special case for bank 0: pins 4-7 are in bits D0-D3, shift them to bits 4-7
+    this->input_banks_[0] = value << MAX6956_BANK0_SHIFT;
+  } else {
+    // Banks 1-3 map directly
+    this->input_banks_[bank_index] = value;
+  }
+
+  return true;
+}
+
+bool MAX6956::digital_read_cache(uint8_t pin) {
+  // MAX6956 pins start at MAX6956_MIN
+  if (pin < MAX6956_MIN || pin > MAX6956_MAX) {
+    return false;
+  }
+
+  // Use the base class's view of banks (no offset adjustment)
+  uint8_t bank_index = pin / MAX6956_BANK_SIZE;
+  uint8_t bit_position = pin % MAX6956_BANK_SIZE;
+
+  return (this->input_banks_[bank_index] & (1 << bit_position)) != 0;
+}
+
+void MAX6956::digital_write_hw(uint8_t pin, bool value) {
   uint8_t reg_addr = MAX6956_1PORT_VALUE_START + pin;
   this->write_reg_(reg_addr, value);
 }

esphome/components/max6956/max6956.h

@@ -3,6 +3,7 @@
 #include "esphome/core/component.h"
 #include "esphome/core/hal.h"
 #include "esphome/components/i2c/i2c.h"
+#include "esphome/components/gpio_expander/cached_gpio.h"
 
 namespace esphome {
 namespace max6956 {
@@ -21,29 +22,39 @@ enum MAX6956GPIORange : uint8_t {
   MAX6956_MAX = 31,
 };
 
+/// Bank configuration for MAX6956
+static constexpr uint8_t MAX6956_BANK_SIZE = 8;
+static constexpr uint8_t MAX6956_TOTAL_PINS = 32;  // Includes pins 0-3 (unused) for cache alignment
+static constexpr uint8_t MAX6956_BANK0_SHIFT = 4;
+
 enum MAX6956GPIORegisters {
   MAX6956_GLOBAL_CURRENT = 0x02,
   MAX6956_CONFIGURATION = 0x04,
   MAX6956_TRANSITION_DETECT_MASK = 0x06,
   MAX6956_DISPLAY_TEST = 0x07,
-  MAX6956_PORT_CONFIG_START = 0x09,   // Port Configuration P7, P6, P5, P4
-  MAX6956_CURRENT_START = 0x12,       // Current054
-  MAX6956_1PORT_VALUE_START = 0x20,   // Port 0 only (virtual port, no action)
-  MAX6956_8PORTS_VALUE_START = 0x44,  // 8 ports 4-11 (data bits D0-D7)
+  MAX6956_PORT_CONFIG_START = 0x09,  // Port Configuration P7, P6, P5, P4
+  MAX6956_CURRENT_START = 0x12,      // Current054
+  MAX6956_1PORT_VALUE_START = 0x20,  // Port 0 only (virtual port, no action)
+  // 8-port bulk read registers aligned with base class banks
+  MAX6956_4PORTS_4_7 = 0x40,    // 4 ports 4-7 (bits D0-D3, D4-D7 read as 0)
+  MAX6956_8PORTS_8_15 = 0x48,   // 8 ports 8-15 (bits D0-D7)
+  MAX6956_8PORTS_16_23 = 0x50,  // 8 ports 16-23 (bits D0-D7)
+  MAX6956_8PORTS_24_31 = 0x58,  // 8 ports 24-31 (bits D0-D7)
 };
 
 enum MAX6956GPIOFlag { FLAG_LED = 0x20 };
 
 enum MAX6956CURRENTMODE { GLOBAL = 0x00, SEGMENT = 0x01 };
 
-class MAX6956 : public Component, public i2c::I2CDevice {
+class MAX6956 : public Component,
+                public i2c::I2CDevice,
+                public gpio_expander::CachedGpioExpander<uint8_t, MAX6956_TOTAL_PINS> {
  public:
   MAX6956() = default;
 
   void setup() override;
+  void loop() override;
 
-  bool digital_read(uint8_t pin);
-  void digital_write(uint8_t pin, bool value);
   void pin_mode(uint8_t pin, gpio::Flags flags);
   void pin_mode(uint8_t pin, max6956::MAX6956GPIOFlag flags);
 
@@ -58,6 +69,11 @@ class MAX6956 : public Component, public i2c::I2CDevice {
   void write_brightness_global();
   void write_brightness_mode();
 
+  // CachedGpioExpander implementation
+  bool digital_read_hw(uint8_t pin) override;
+  bool digital_read_cache(uint8_t pin) override;
+  void digital_write_hw(uint8_t pin, bool value) override;
+
  protected:
   // read a given register
   bool read_reg_(uint8_t reg, uint8_t *value);
@@ -66,6 +82,13 @@ class MAX6956 : public Component, public i2c::I2CDevice {
   max6956::MAX6956CURRENTMODE brightness_mode_;
   uint8_t global_brightness_;
 
+  // Cache for the 4 banks of 8 pins each (aligned with base class view)
+  // Bank 0: bits 0-7 (bits 0-3 unused as MAX6956 pins start at 4, bits 4-7 = pins 4-7)
+  // Bank 1: bits 8-15 (pins 8-15)
+  // Bank 2: bits 16-23 (pins 16-23)
+  // Bank 3: bits 24-31 (pins 24-31)
+  uint8_t input_banks_[4] = {0, 0, 0, 0};
+
  private:
   int8_t prev_bright_[28] = {0};
 };

esphome/components/network/__init__.py

@@ -55,7 +55,6 @@ CONFIG_SCHEMA = cv.Schema(
             esp32=False,
             rp2040=False,
             bk72xx=False,
-            host=False,
         ): cv.All(
             cv.boolean,
             cv.Any(
@@ -65,7 +64,6 @@ CONFIG_SCHEMA = cv.Schema(
                     esp8266_arduino=cv.Version(0, 0, 0),
                     rp2040_arduino=cv.Version(0, 0, 0),
                     bk72xx_arduino=cv.Version(1, 7, 0),
-                    host=cv.Version(0, 0, 0),
                 ),
                 cv.boolean_false,
             ),

esphome/components/nextion/nextion.cpp

@@ -323,8 +323,6 @@ void Nextion::loop() {
       this->set_touch_sleep_timeout(this->touch_sleep_timeout_);
     }
 
-    this->set_auto_wake_on_touch(this->connection_state_.auto_wake_on_touch_);
-
     this->connection_state_.ignore_is_setup_ = false;
   }
 

esphome/components/nrf52/__init__.py

@@ -290,7 +290,6 @@ def show_logs(config: ConfigType, args, devices: list[str]) -> bool:
             address = ble_device.address
         else:
             return True
-
     if is_mac_address(address):
         asyncio.run(logger_connect(address))
         return True

esphome/components/remote_base/abbwelcome_protocol.h

@@ -33,13 +33,19 @@ Message Format:
 class ABBWelcomeData {
  public:
   // Make default
-  ABBWelcomeData() : data_{0x55, 0xff} {}
+  ABBWelcomeData() {
+    std::fill(std::begin(this->data_), std::end(this->data_), 0);
+    this->data_[0] = 0x55;
+    this->data_[1] = 0xff;
+  }
   // Make from initializer_list
-  ABBWelcomeData(std::initializer_list<uint8_t> data) : data_{} {
+  ABBWelcomeData(std::initializer_list<uint8_t> data) {
+    std::fill(std::begin(this->data_), std::end(this->data_), 0);
     std::copy_n(data.begin(), std::min(data.size(), this->data_.size()), this->data_.begin());
   }
   // Make from vector
-  ABBWelcomeData(const std::vector<uint8_t> &data) : data_{} {
+  ABBWelcomeData(const std::vector<uint8_t> &data) {
+    std::fill(std::begin(this->data_), std::end(this->data_), 0);
     std::copy_n(data.begin(), std::min(data.size(), this->data_.size()), this->data_.begin());
   }
   // Default copy constructor

esphome/components/remote_transmitter/__init__.py

@@ -1,5 +1,3 @@
-import logging
-
 from esphome import automation, pins
 import esphome.codegen as cg
 from esphome.components import esp32, esp32_rmt, remote_base
@@ -20,12 +18,9 @@ from esphome.const import (
 )
 from esphome.core import CORE
 
-_LOGGER = logging.getLogger(__name__)
-
 AUTO_LOAD = ["remote_base"]
 
 CONF_EOT_LEVEL = "eot_level"
-CONF_NON_BLOCKING = "non_blocking"
 CONF_ON_TRANSMIT = "on_transmit"
 CONF_ON_COMPLETE = "on_complete"
 CONF_TRANSMITTER_ID = remote_base.CONF_TRANSMITTER_ID
@@ -70,25 +65,11 @@ CONFIG_SCHEMA = cv.Schema(
             esp32_c6=48,
             esp32_h2=48,
         ): cv.All(cv.only_on_esp32, cv.int_range(min=2)),
-        cv.Optional(CONF_NON_BLOCKING): cv.All(cv.only_on_esp32, cv.boolean),
         cv.Optional(CONF_ON_TRANSMIT): automation.validate_automation(single=True),
         cv.Optional(CONF_ON_COMPLETE): automation.validate_automation(single=True),
     }
 ).extend(cv.COMPONENT_SCHEMA)
 
-
-def _validate_non_blocking(config):
-    if CORE.is_esp32 and CONF_NON_BLOCKING not in config:
-        _LOGGER.warning(
-            "'non_blocking' is not set for 'remote_transmitter' and will default to 'true'.\n"
-            "The default behavior changed in 2025.11.0; previously blocking mode was used.\n"
-            "To silence this warning, explicitly set 'non_blocking: true' (or 'false')."
-        )
-        config[CONF_NON_BLOCKING] = True
-
-
-FINAL_VALIDATE_SCHEMA = _validate_non_blocking
-
 DIGITAL_WRITE_ACTION_SCHEMA = cv.maybe_simple_value(
     {
         cv.GenerateID(CONF_TRANSMITTER_ID): cv.use_id(RemoteTransmitterComponent),
@@ -114,7 +95,6 @@ async def to_code(config):
     if CORE.is_esp32:
         var = cg.new_Pvariable(config[CONF_ID], pin)
         cg.add(var.set_rmt_symbols(config[CONF_RMT_SYMBOLS]))
-        cg.add(var.set_non_blocking(config[CONF_NON_BLOCKING]))
         if CONF_CLOCK_RESOLUTION in config:
             cg.add(var.set_clock_resolution(config[CONF_CLOCK_RESOLUTION]))
         if CONF_USE_DMA in config:

esphome/components/remote_transmitter/remote_transmitter.h

@@ -54,7 +54,6 @@ class RemoteTransmitterComponent : public remote_base::RemoteTransmitterBase,
 #if defined(USE_ESP32)
   void set_with_dma(bool with_dma) { this->with_dma_ = with_dma; }
   void set_eot_level(bool eot_level) { this->eot_level_ = eot_level; }
-  void set_non_blocking(bool non_blocking) { this->non_blocking_ = non_blocking; }
 #endif
 
   Trigger<> *get_transmit_trigger() const { return this->transmit_trigger_; };
@@ -75,7 +74,6 @@ class RemoteTransmitterComponent : public remote_base::RemoteTransmitterBase,
 
 #ifdef USE_ESP32
   void configure_rmt_();
-  void wait_for_rmt_();
 
 #if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 5, 1)
   RemoteTransmitterComponentStore store_{};
@@ -92,7 +90,6 @@ class RemoteTransmitterComponent : public remote_base::RemoteTransmitterBase,
   esp_err_t error_code_{ESP_OK};
   std::string error_string_{""};
   bool inverted_{false};
-  bool non_blocking_{false};
 #endif
   uint8_t carrier_duty_percent_;
 

esphome/components/remote_transmitter/remote_transmitter_esp32.cpp

@@ -196,29 +196,12 @@ void RemoteTransmitterComponent::configure_rmt_() {
   }
 }
 
-void RemoteTransmitterComponent::wait_for_rmt_() {
-  esp_err_t error = rmt_tx_wait_all_done(this->channel_, -1);
-  if (error != ESP_OK) {
-    ESP_LOGW(TAG, "rmt_tx_wait_all_done failed: %s", esp_err_to_name(error));
-    this->status_set_warning();
-  }
-
-  this->complete_trigger_->trigger();
-}
-
 #if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 5, 1)
 void RemoteTransmitterComponent::send_internal(uint32_t send_times, uint32_t send_wait) {
-  uint64_t total_duration = 0;
-
   if (this->is_failed()) {
     return;
   }
 
-  // if the timeout was cancelled, block until the tx is complete
-  if (this->non_blocking_ && this->cancel_timeout("complete")) {
-    this->wait_for_rmt_();
-  }
-
   if (this->current_carrier_frequency_ != this->temp_.get_carrier_frequency()) {
     this->current_carrier_frequency_ = this->temp_.get_carrier_frequency();
     this->configure_rmt_();
@@ -229,7 +212,6 @@ void RemoteTransmitterComponent::send_internal(uint32_t send_times, uint32_t sen
 
   // encode any delay at the start of the buffer to simplify the encoder callback
   // this will be skipped the first time around
-  total_duration += send_wait * (send_times - 1);
   send_wait = this->from_microseconds_(static_cast<uint32_t>(send_wait));
   while (send_wait > 0) {
     int32_t duration = std::min(send_wait, uint32_t(RMT_SYMBOL_DURATION_MAX));
@@ -247,7 +229,6 @@ void RemoteTransmitterComponent::send_internal(uint32_t send_times, uint32_t sen
     if (!level) {
       value = -value;
     }
-    total_duration += value * send_times;
     value = this->from_microseconds_(static_cast<uint32_t>(value));
     while (value > 0) {
       int32_t duration = std::min(value, int32_t(RMT_SYMBOL_DURATION_MAX));
@@ -279,12 +260,13 @@ void RemoteTransmitterComponent::send_internal(uint32_t send_times, uint32_t sen
   } else {
     this->status_clear_warning();
   }
-
-  if (this->non_blocking_) {
-    this->set_timeout("complete", total_duration / 1000, [this]() { this->wait_for_rmt_(); });
-  } else {
-    this->wait_for_rmt_();
+  error = rmt_tx_wait_all_done(this->channel_, -1);
+  if (error != ESP_OK) {
+    ESP_LOGW(TAG, "rmt_tx_wait_all_done failed: %s", esp_err_to_name(error));
+    this->status_set_warning();
   }
+
+  this->complete_trigger_->trigger();
 }
 #else
 void RemoteTransmitterComponent::send_internal(uint32_t send_times, uint32_t send_wait) {

esphome/components/script/script.h

@@ -2,7 +2,6 @@
 
 #include <memory>
 #include <tuple>
-#include <forward_list>
 #include "esphome/core/automation.h"
 #include "esphome/core/component.h"
 #include "esphome/core/helpers.h"
@@ -265,22 +264,10 @@ template<class C, typename... Ts> class IsRunningCondition : public Condition<Ts
   C *parent_;
 };
 
-/** Wait for a script to finish before continuing.
- *
- * Uses queue-based storage to safely handle concurrent executions.
- * While concurrent execution from the same trigger is uncommon, it's possible
- * (e.g., rapid button presses, high-frequency sensor updates), so we use
- * queue-based storage for correctness.
- */
 template<class C, typename... Ts> class ScriptWaitAction : public Action<Ts...>, public Component {
  public:
   ScriptWaitAction(C *script) : script_(script) {}
 
-  void setup() override {
-    // Start with loop disabled - only enable when there's work to do
-    this->disable_loop();
-  }
-
   void play_complex(Ts... x) override {
     this->num_running_++;
     // Check if we can continue immediately.
@@ -288,11 +275,7 @@ template<class C, typename... Ts> class ScriptWaitAction : public Action<Ts...>,
       this->play_next_(x...);
       return;
     }
-
-    // Store parameters for later execution
-    this->param_queue_.emplace_front(x...);
-    // Enable loop now that we have work to do
-    this->enable_loop();
+    this->var_ = std::make_tuple(x...);
     this->loop();
   }
 
@@ -303,30 +286,15 @@ template<class C, typename... Ts> class ScriptWaitAction : public Action<Ts...>,
     if (this->script_->is_running())
       return;
 
-    while (!this->param_queue_.empty()) {
-      auto &params = this->param_queue_.front();
-      this->play_next_tuple_(params, typename gens<sizeof...(Ts)>::type());
-      this->param_queue_.pop_front();
-    }
-    // Queue is now empty - disable loop until next play_complex
-    this->disable_loop();
+    this->play_next_tuple_(this->var_);
   }
 
   void play(Ts... x) override { /* ignore - see play_complex */
   }
 
-  void stop() override {
-    this->param_queue_.clear();
-    this->disable_loop();
-  }
-
  protected:
-  template<int... S> void play_next_tuple_(const std::tuple<Ts...> &tuple, seq<S...> /*unused*/) {
-    this->play_next_(std::get<S>(tuple)...);
-  }
-
   C *script_;
-  std::forward_list<std::tuple<Ts...>> param_queue_;
+  std::tuple<Ts...> var_{};
 };
 
 }  // namespace script

esphome/components/sdl/binary_sensor.py

@@ -12,256 +12,241 @@ CODEOWNERS = ["@bdm310"]
 
 STATE_ARG = "state"
 
-SDL_KeyCode = cg.global_ns.enum("SDL_KeyCode")
-
-SDL_KEYS = (
-    "SDLK_UNKNOWN",
-    "SDLK_RETURN",
-    "SDLK_ESCAPE",
-    "SDLK_BACKSPACE",
-    "SDLK_TAB",
-    "SDLK_SPACE",
-    "SDLK_EXCLAIM",
-    "SDLK_QUOTEDBL",
-    "SDLK_HASH",
-    "SDLK_PERCENT",
-    "SDLK_DOLLAR",
-    "SDLK_AMPERSAND",
-    "SDLK_QUOTE",
-    "SDLK_LEFTPAREN",
-    "SDLK_RIGHTPAREN",
-    "SDLK_ASTERISK",
-    "SDLK_PLUS",
-    "SDLK_COMMA",
-    "SDLK_MINUS",
-    "SDLK_PERIOD",
-    "SDLK_SLASH",
-    "SDLK_0",
-    "SDLK_1",
-    "SDLK_2",
-    "SDLK_3",
-    "SDLK_4",
-    "SDLK_5",
-    "SDLK_6",
-    "SDLK_7",
-    "SDLK_8",
-    "SDLK_9",
-    "SDLK_COLON",
-    "SDLK_SEMICOLON",
-    "SDLK_LESS",
-    "SDLK_EQUALS",
-    "SDLK_GREATER",
-    "SDLK_QUESTION",
-    "SDLK_AT",
-    "SDLK_LEFTBRACKET",
-    "SDLK_BACKSLASH",
-    "SDLK_RIGHTBRACKET",
-    "SDLK_CARET",
-    "SDLK_UNDERSCORE",
-    "SDLK_BACKQUOTE",
-    "SDLK_a",
-    "SDLK_b",
-    "SDLK_c",
-    "SDLK_d",
-    "SDLK_e",
-    "SDLK_f",
-    "SDLK_g",
-    "SDLK_h",
-    "SDLK_i",
-    "SDLK_j",
-    "SDLK_k",
-    "SDLK_l",
-    "SDLK_m",
-    "SDLK_n",
-    "SDLK_o",
-    "SDLK_p",
-    "SDLK_q",
-    "SDLK_r",
-    "SDLK_s",
-    "SDLK_t",
-    "SDLK_u",
-    "SDLK_v",
-    "SDLK_w",
-    "SDLK_x",
-    "SDLK_y",
-    "SDLK_z",
-    "SDLK_CAPSLOCK",
-    "SDLK_F1",
-    "SDLK_F2",
-    "SDLK_F3",
-    "SDLK_F4",
-    "SDLK_F5",
-    "SDLK_F6",
-    "SDLK_F7",
-    "SDLK_F8",
-    "SDLK_F9",
-    "SDLK_F10",
-    "SDLK_F11",
-    "SDLK_F12",
-    "SDLK_PRINTSCREEN",
-    "SDLK_SCROLLLOCK",
-    "SDLK_PAUSE",
-    "SDLK_INSERT",
-    "SDLK_HOME",
-    "SDLK_PAGEUP",
-    "SDLK_DELETE",
-    "SDLK_END",
-    "SDLK_PAGEDOWN",
-    "SDLK_RIGHT",
-    "SDLK_LEFT",
-    "SDLK_DOWN",
-    "SDLK_UP",
-    "SDLK_NUMLOCKCLEAR",
-    "SDLK_KP_DIVIDE",
-    "SDLK_KP_MULTIPLY",
-    "SDLK_KP_MINUS",
-    "SDLK_KP_PLUS",
-    "SDLK_KP_ENTER",
-    "SDLK_KP_1",
-    "SDLK_KP_2",
-    "SDLK_KP_3",
-    "SDLK_KP_4",
-    "SDLK_KP_5",
-    "SDLK_KP_6",
-    "SDLK_KP_7",
-    "SDLK_KP_8",
-    "SDLK_KP_9",
-    "SDLK_KP_0",
-    "SDLK_KP_PERIOD",
-    "SDLK_APPLICATION",
-    "SDLK_POWER",
-    "SDLK_KP_EQUALS",
-    "SDLK_F13",
-    "SDLK_F14",
-    "SDLK_F15",
-    "SDLK_F16",
-    "SDLK_F17",
-    "SDLK_F18",
-    "SDLK_F19",
-    "SDLK_F20",
-    "SDLK_F21",
-    "SDLK_F22",
-    "SDLK_F23",
-    "SDLK_F24",
-    "SDLK_EXECUTE",
-    "SDLK_HELP",
-    "SDLK_MENU",
-    "SDLK_SELECT",
-    "SDLK_STOP",
-    "SDLK_AGAIN",
-    "SDLK_UNDO",
-    "SDLK_CUT",
-    "SDLK_COPY",
-    "SDLK_PASTE",
-    "SDLK_FIND",
-    "SDLK_MUTE",
-    "SDLK_VOLUMEUP",
-    "SDLK_VOLUMEDOWN",
-    "SDLK_KP_COMMA",
-    "SDLK_KP_EQUALSAS400",
-    "SDLK_ALTERASE",
-    "SDLK_SYSREQ",
-    "SDLK_CANCEL",
-    "SDLK_CLEAR",
-    "SDLK_PRIOR",
-    "SDLK_RETURN2",
-    "SDLK_SEPARATOR",
-    "SDLK_OUT",
-    "SDLK_OPER",
-    "SDLK_CLEARAGAIN",
-    "SDLK_CRSEL",
-    "SDLK_EXSEL",
-    "SDLK_KP_00",
-    "SDLK_KP_000",
-    "SDLK_THOUSANDSSEPARATOR",
-    "SDLK_DECIMALSEPARATOR",
-    "SDLK_CURRENCYUNIT",
-    "SDLK_CURRENCYSUBUNIT",
-    "SDLK_KP_LEFTPAREN",
-    "SDLK_KP_RIGHTPAREN",
-    "SDLK_KP_LEFTBRACE",
-    "SDLK_KP_RIGHTBRACE",
-    "SDLK_KP_TAB",
-    "SDLK_KP_BACKSPACE",
-    "SDLK_KP_A",
-    "SDLK_KP_B",
-    "SDLK_KP_C",
-    "SDLK_KP_D",
-    "SDLK_KP_E",
-    "SDLK_KP_F",
-    "SDLK_KP_XOR",
-    "SDLK_KP_POWER",
-    "SDLK_KP_PERCENT",
-    "SDLK_KP_LESS",
-    "SDLK_KP_GREATER",
-    "SDLK_KP_AMPERSAND",
-    "SDLK_KP_DBLAMPERSAND",
-    "SDLK_KP_VERTICALBAR",
-    "SDLK_KP_DBLVERTICALBAR",
-    "SDLK_KP_COLON",
-    "SDLK_KP_HASH",
-    "SDLK_KP_SPACE",
-    "SDLK_KP_AT",
-    "SDLK_KP_EXCLAM",
-    "SDLK_KP_MEMSTORE",
-    "SDLK_KP_MEMRECALL",
-    "SDLK_KP_MEMCLEAR",
-    "SDLK_KP_MEMADD",
-    "SDLK_KP_MEMSUBTRACT",
-    "SDLK_KP_MEMMULTIPLY",
-    "SDLK_KP_MEMDIVIDE",
-    "SDLK_KP_PLUSMINUS",
-    "SDLK_KP_CLEAR",
-    "SDLK_KP_CLEARENTRY",
-    "SDLK_KP_BINARY",
-    "SDLK_KP_OCTAL",
-    "SDLK_KP_DECIMAL",
-    "SDLK_KP_HEXADECIMAL",
-    "SDLK_LCTRL",
-    "SDLK_LSHIFT",
-    "SDLK_LALT",
-    "SDLK_LGUI",
-    "SDLK_RCTRL",
-    "SDLK_RSHIFT",
-    "SDLK_RALT",
-    "SDLK_RGUI",
-    "SDLK_MODE",
-    "SDLK_AUDIONEXT",
-    "SDLK_AUDIOPREV",
-    "SDLK_AUDIOSTOP",
-    "SDLK_AUDIOPLAY",
-    "SDLK_AUDIOMUTE",
-    "SDLK_MEDIASELECT",
-    "SDLK_WWW",
-    "SDLK_MAIL",
-    "SDLK_CALCULATOR",
-    "SDLK_COMPUTER",
-    "SDLK_AC_SEARCH",
-    "SDLK_AC_HOME",
-    "SDLK_AC_BACK",
-    "SDLK_AC_FORWARD",
-    "SDLK_AC_STOP",
-    "SDLK_AC_REFRESH",
-    "SDLK_AC_BOOKMARKS",
-    "SDLK_BRIGHTNESSDOWN",
-    "SDLK_BRIGHTNESSUP",
-    "SDLK_DISPLAYSWITCH",
-    "SDLK_KBDILLUMTOGGLE",
-    "SDLK_KBDILLUMDOWN",
-    "SDLK_KBDILLUMUP",
-    "SDLK_EJECT",
-    "SDLK_SLEEP",
-    "SDLK_APP1",
-    "SDLK_APP2",
-    "SDLK_AUDIOREWIND",
-    "SDLK_AUDIOFASTFORWARD",
-    "SDLK_SOFTLEFT",
-    "SDLK_SOFTRIGHT",
-    "SDLK_CALL",
-    "SDLK_ENDCALL",
-)
-
-SDL_KEYMAP = {key: getattr(SDL_KeyCode, key) for key in SDL_KEYS}
+SDL_KEYMAP = {
+    "SDLK_UNKNOWN": 0,
+    "SDLK_FIRST": 0,
+    "SDLK_BACKSPACE": 8,
+    "SDLK_TAB": 9,
+    "SDLK_CLEAR": 12,
+    "SDLK_RETURN": 13,
+    "SDLK_PAUSE": 19,
+    "SDLK_ESCAPE": 27,
+    "SDLK_SPACE": 32,
+    "SDLK_EXCLAIM": 33,
+    "SDLK_QUOTEDBL": 34,
+    "SDLK_HASH": 35,
+    "SDLK_DOLLAR": 36,
+    "SDLK_AMPERSAND": 38,
+    "SDLK_QUOTE": 39,
+    "SDLK_LEFTPAREN": 40,
+    "SDLK_RIGHTPAREN": 41,
+    "SDLK_ASTERISK": 42,
+    "SDLK_PLUS": 43,
+    "SDLK_COMMA": 44,
+    "SDLK_MINUS": 45,
+    "SDLK_PERIOD": 46,
+    "SDLK_SLASH": 47,
+    "SDLK_0": 48,
+    "SDLK_1": 49,
+    "SDLK_2": 50,
+    "SDLK_3": 51,
+    "SDLK_4": 52,
+    "SDLK_5": 53,
+    "SDLK_6": 54,
+    "SDLK_7": 55,
+    "SDLK_8": 56,
+    "SDLK_9": 57,
+    "SDLK_COLON": 58,
+    "SDLK_SEMICOLON": 59,
+    "SDLK_LESS": 60,
+    "SDLK_EQUALS": 61,
+    "SDLK_GREATER": 62,
+    "SDLK_QUESTION": 63,
+    "SDLK_AT": 64,
+    "SDLK_LEFTBRACKET": 91,
+    "SDLK_BACKSLASH": 92,
+    "SDLK_RIGHTBRACKET": 93,
+    "SDLK_CARET": 94,
+    "SDLK_UNDERSCORE": 95,
+    "SDLK_BACKQUOTE": 96,
+    "SDLK_a": 97,
+    "SDLK_b": 98,
+    "SDLK_c": 99,
+    "SDLK_d": 100,
+    "SDLK_e": 101,
+    "SDLK_f": 102,
+    "SDLK_g": 103,
+    "SDLK_h": 104,
+    "SDLK_i": 105,
+    "SDLK_j": 106,
+    "SDLK_k": 107,
+    "SDLK_l": 108,
+    "SDLK_m": 109,
+    "SDLK_n": 110,
+    "SDLK_o": 111,
+    "SDLK_p": 112,
+    "SDLK_q": 113,
+    "SDLK_r": 114,
+    "SDLK_s": 115,
+    "SDLK_t": 116,
+    "SDLK_u": 117,
+    "SDLK_v": 118,
+    "SDLK_w": 119,
+    "SDLK_x": 120,
+    "SDLK_y": 121,
+    "SDLK_z": 122,
+    "SDLK_DELETE": 127,
+    "SDLK_WORLD_0": 160,
+    "SDLK_WORLD_1": 161,
+    "SDLK_WORLD_2": 162,
+    "SDLK_WORLD_3": 163,
+    "SDLK_WORLD_4": 164,
+    "SDLK_WORLD_5": 165,
+    "SDLK_WORLD_6": 166,
+    "SDLK_WORLD_7": 167,
+    "SDLK_WORLD_8": 168,
+    "SDLK_WORLD_9": 169,
+    "SDLK_WORLD_10": 170,
+    "SDLK_WORLD_11": 171,
+    "SDLK_WORLD_12": 172,
+    "SDLK_WORLD_13": 173,
+    "SDLK_WORLD_14": 174,
+    "SDLK_WORLD_15": 175,
+    "SDLK_WORLD_16": 176,
+    "SDLK_WORLD_17": 177,
+    "SDLK_WORLD_18": 178,
+    "SDLK_WORLD_19": 179,
+    "SDLK_WORLD_20": 180,
+    "SDLK_WORLD_21": 181,
+    "SDLK_WORLD_22": 182,
+    "SDLK_WORLD_23": 183,
+    "SDLK_WORLD_24": 184,
+    "SDLK_WORLD_25": 185,
+    "SDLK_WORLD_26": 186,
+    "SDLK_WORLD_27": 187,
+    "SDLK_WORLD_28": 188,
+    "SDLK_WORLD_29": 189,
+    "SDLK_WORLD_30": 190,
+    "SDLK_WORLD_31": 191,
+    "SDLK_WORLD_32": 192,
+    "SDLK_WORLD_33": 193,
+    "SDLK_WORLD_34": 194,
+    "SDLK_WORLD_35": 195,
+    "SDLK_WORLD_36": 196,
+    "SDLK_WORLD_37": 197,
+    "SDLK_WORLD_38": 198,
+    "SDLK_WORLD_39": 199,
+    "SDLK_WORLD_40": 200,
+    "SDLK_WORLD_41": 201,
+    "SDLK_WORLD_42": 202,
+    "SDLK_WORLD_43": 203,
+    "SDLK_WORLD_44": 204,
+    "SDLK_WORLD_45": 205,
+    "SDLK_WORLD_46": 206,
+    "SDLK_WORLD_47": 207,
+    "SDLK_WORLD_48": 208,
+    "SDLK_WORLD_49": 209,
+    "SDLK_WORLD_50": 210,
+    "SDLK_WORLD_51": 211,
+    "SDLK_WORLD_52": 212,
+    "SDLK_WORLD_53": 213,
+    "SDLK_WORLD_54": 214,
+    "SDLK_WORLD_55": 215,
+    "SDLK_WORLD_56": 216,
+    "SDLK_WORLD_57": 217,
+    "SDLK_WORLD_58": 218,
+    "SDLK_WORLD_59": 219,
+    "SDLK_WORLD_60": 220,
+    "SDLK_WORLD_61": 221,
+    "SDLK_WORLD_62": 222,
+    "SDLK_WORLD_63": 223,
+    "SDLK_WORLD_64": 224,
+    "SDLK_WORLD_65": 225,
+    "SDLK_WORLD_66": 226,
+    "SDLK_WORLD_67": 227,
+    "SDLK_WORLD_68": 228,
+    "SDLK_WORLD_69": 229,
+    "SDLK_WORLD_70": 230,
+    "SDLK_WORLD_71": 231,
+    "SDLK_WORLD_72": 232,
+    "SDLK_WORLD_73": 233,
+    "SDLK_WORLD_74": 234,
+    "SDLK_WORLD_75": 235,
+    "SDLK_WORLD_76": 236,
+    "SDLK_WORLD_77": 237,
+    "SDLK_WORLD_78": 238,
+    "SDLK_WORLD_79": 239,
+    "SDLK_WORLD_80": 240,
+    "SDLK_WORLD_81": 241,
+    "SDLK_WORLD_82": 242,
+    "SDLK_WORLD_83": 243,
+    "SDLK_WORLD_84": 244,
+    "SDLK_WORLD_85": 245,
+    "SDLK_WORLD_86": 246,
+    "SDLK_WORLD_87": 247,
+    "SDLK_WORLD_88": 248,
+    "SDLK_WORLD_89": 249,
+    "SDLK_WORLD_90": 250,
+    "SDLK_WORLD_91": 251,
+    "SDLK_WORLD_92": 252,
+    "SDLK_WORLD_93": 253,
+    "SDLK_WORLD_94": 254,
+    "SDLK_WORLD_95": 255,
+    "SDLK_KP0": 256,
+    "SDLK_KP1": 257,
+    "SDLK_KP2": 258,
+    "SDLK_KP3": 259,
+    "SDLK_KP4": 260,
+    "SDLK_KP5": 261,
+    "SDLK_KP6": 262,
+    "SDLK_KP7": 263,
+    "SDLK_KP8": 264,
+    "SDLK_KP9": 265,
+    "SDLK_KP_PERIOD": 266,
+    "SDLK_KP_DIVIDE": 267,
+    "SDLK_KP_MULTIPLY": 268,
+    "SDLK_KP_MINUS": 269,
+    "SDLK_KP_PLUS": 270,
+    "SDLK_KP_ENTER": 271,
+    "SDLK_KP_EQUALS": 272,
+    "SDLK_UP": 273,
+    "SDLK_DOWN": 274,
+    "SDLK_RIGHT": 275,
+    "SDLK_LEFT": 276,
+    "SDLK_INSERT": 277,
+    "SDLK_HOME": 278,
+    "SDLK_END": 279,
+    "SDLK_PAGEUP": 280,
+    "SDLK_PAGEDOWN": 281,
+    "SDLK_F1": 282,
+    "SDLK_F2": 283,
+    "SDLK_F3": 284,
+    "SDLK_F4": 285,
+    "SDLK_F5": 286,
+    "SDLK_F6": 287,
+    "SDLK_F7": 288,
+    "SDLK_F8": 289,
+    "SDLK_F9": 290,
+    "SDLK_F10": 291,
+    "SDLK_F11": 292,
+    "SDLK_F12": 293,
+    "SDLK_F13": 294,
+    "SDLK_F14": 295,
+    "SDLK_F15": 296,
+    "SDLK_NUMLOCK": 300,
+    "SDLK_CAPSLOCK": 301,
+    "SDLK_SCROLLOCK": 302,
+    "SDLK_RSHIFT": 303,
+    "SDLK_LSHIFT": 304,
+    "SDLK_RCTRL": 305,
+    "SDLK_LCTRL": 306,
+    "SDLK_RALT": 307,
+    "SDLK_LALT": 308,
+    "SDLK_RMETA": 309,
+    "SDLK_LMETA": 310,
+    "SDLK_LSUPER": 311,
+    "SDLK_RSUPER": 312,
+    "SDLK_MODE": 313,
+    "SDLK_COMPOSE": 314,
+    "SDLK_HELP": 315,
+    "SDLK_PRINT": 316,
+    "SDLK_SYSREQ": 317,
+    "SDLK_BREAK": 318,
+    "SDLK_MENU": 319,
+    "SDLK_POWER": 320,
+    "SDLK_EURO": 321,
+    "SDLK_UNDO": 322,
+}
 
 CONFIG_SCHEMA = (
     binary_sensor.binary_sensor_schema(BinarySensor)

esphome/components/speed/fan/speed_fan.cpp

@@ -29,7 +29,7 @@ void SpeedFan::control(const fan::FanCall &call) {
     this->oscillating = *call.get_oscillating();
   if (call.get_direction().has_value())
     this->direction = *call.get_direction();
-  this->set_preset_mode_(call.get_preset_mode());
+  this->preset_mode = call.get_preset_mode();
 
   this->write_state_();
   this->publish_state();

esphome/components/speed/fan/speed_fan.h

@@ -1,5 +1,7 @@
 #pragma once
 
+#include <set>
+
 #include "esphome/core/component.h"
 #include "esphome/components/output/binary_output.h"
 #include "esphome/components/output/float_output.h"
@@ -16,7 +18,7 @@ class SpeedFan : public Component, public fan::Fan {
   void set_output(output::FloatOutput *output) { this->output_ = output; }
   void set_oscillating(output::BinaryOutput *oscillating) { this->oscillating_ = oscillating; }
   void set_direction(output::BinaryOutput *direction) { this->direction_ = direction; }
-  void set_preset_modes(std::initializer_list<const char *> presets) { this->preset_modes_ = presets; }
+  void set_preset_modes(const std::set<std::string> &presets) { this->preset_modes_ = presets; }
   fan::FanTraits get_traits() override { return this->traits_; }
 
  protected:
@@ -28,7 +30,7 @@ class SpeedFan : public Component, public fan::Fan {
   output::BinaryOutput *direction_{nullptr};
   int speed_count_{};
   fan::FanTraits traits_;
-  std::vector<const char *> preset_modes_{};
+  std::set<std::string> preset_modes_{};
 };
 
 }  // namespace speed

esphome/components/substitutions/jinja.py

@@ -138,7 +138,6 @@ def _concat_nodes_override(values: Iterator[Any]) -> Any:
             values = chain(head, values)
         raw = "".join([str(v) for v in values])
 
-    result = None
     try:
         # Attempt to parse the concatenated string into a Python literal.
         # This allows expressions like "1 + 2" to be evaluated to the integer 3.
@@ -146,16 +145,11 @@ def _concat_nodes_override(values: Iterator[Any]) -> Any:
         # fall back to returning the raw string. This is consistent with
         #  Home Assistant's behavior when evaluating templates
         result = literal_eval(raw)
-    except (ValueError, SyntaxError, MemoryError, TypeError):
-        pass
-    else:
-        if isinstance(result, set):
-            # Sets are not supported, return raw string
-            return raw
-
         if not isinstance(result, str):
             return result
 
+    except (ValueError, SyntaxError, MemoryError, TypeError):
+        pass
     return raw
 
 

esphome/components/template/binary_sensor/template_binary_sensor.cpp

@@ -6,21 +6,17 @@ namespace template_ {
 
 static const char *const TAG = "template.binary_sensor";
 
-void TemplateBinarySensor::setup() {
-  if (!this->f_.has_value()) {
-    this->disable_loop();
-  } else {
-    this->loop();
-  }
-}
+void TemplateBinarySensor::setup() { this->loop(); }
 
 void TemplateBinarySensor::loop() {
-  auto s = this->f_();
+  if (!this->f_.has_value())
+    return;
+
+  auto s = (*this->f_)();
   if (s.has_value()) {
     this->publish_state(*s);
   }
 }
-
 void TemplateBinarySensor::dump_config() { LOG_BINARY_SENSOR("", "Template Binary Sensor", this); }
 
 }  // namespace template_

esphome/components/template/binary_sensor/template_binary_sensor.h

@@ -1,7 +1,6 @@
 #pragma once
 
 #include "esphome/core/component.h"
-#include "esphome/core/template_lambda.h"
 #include "esphome/components/binary_sensor/binary_sensor.h"
 
 namespace esphome {
@@ -9,7 +8,7 @@ namespace template_ {
 
 class TemplateBinarySensor : public Component, public binary_sensor::BinarySensor {
  public:
-  template<typename F> void set_template(F &&f) { this->f_.set(std::forward<F>(f)); }
+  void set_template(optional<bool> (*f)()) { this->f_ = f; }
 
   void setup() override;
   void loop() override;
@@ -18,7 +17,7 @@ class TemplateBinarySensor : public Component, public binary_sensor::BinarySenso
   float get_setup_priority() const override { return setup_priority::HARDWARE; }
 
  protected:
-  TemplateLambda<bool> f_;
+  optional<optional<bool> (*)()> f_;
 };
 
 }  // namespace template_

esphome/components/template/cover/template_cover.cpp

@@ -33,27 +33,28 @@ void TemplateCover::setup() {
       break;
     }
   }
-  if (!this->state_f_.has_value() && !this->tilt_f_.has_value())
-    this->disable_loop();
 }
 void TemplateCover::loop() {
   bool changed = false;
 
-  auto s = this->state_f_();
-  if (s.has_value()) {
-    auto pos = clamp(*s, 0.0f, 1.0f);
-    if (pos != this->position) {
-      this->position = pos;
-      changed = true;
+  if (this->state_f_.has_value()) {
+    auto s = (*this->state_f_)();
+    if (s.has_value()) {
+      auto pos = clamp(*s, 0.0f, 1.0f);
+      if (pos != this->position) {
+        this->position = pos;
+        changed = true;
+      }
     }
   }
-
-  auto tilt = this->tilt_f_();
-  if (tilt.has_value()) {
-    auto tilt_val = clamp(*tilt, 0.0f, 1.0f);
-    if (tilt_val != this->tilt) {
-      this->tilt = tilt_val;
-      changed = true;
+  if (this->tilt_f_.has_value()) {
+    auto s = (*this->tilt_f_)();
+    if (s.has_value()) {
+      auto tilt = clamp(*s, 0.0f, 1.0f);
+      if (tilt != this->tilt) {
+        this->tilt = tilt;
+        changed = true;
+      }
     }
   }
 
@@ -62,6 +63,7 @@ void TemplateCover::loop() {
 }
 void TemplateCover::set_optimistic(bool optimistic) { this->optimistic_ = optimistic; }
 void TemplateCover::set_assumed_state(bool assumed_state) { this->assumed_state_ = assumed_state; }
+void TemplateCover::set_state_lambda(optional<float> (*f)()) { this->state_f_ = f; }
 float TemplateCover::get_setup_priority() const { return setup_priority::HARDWARE; }
 Trigger<> *TemplateCover::get_open_trigger() const { return this->open_trigger_; }
 Trigger<> *TemplateCover::get_close_trigger() const { return this->close_trigger_; }
@@ -122,6 +124,7 @@ CoverTraits TemplateCover::get_traits() {
 }
 Trigger<float> *TemplateCover::get_position_trigger() const { return this->position_trigger_; }
 Trigger<float> *TemplateCover::get_tilt_trigger() const { return this->tilt_trigger_; }
+void TemplateCover::set_tilt_lambda(optional<float> (*tilt_f)()) { this->tilt_f_ = tilt_f; }
 void TemplateCover::set_has_stop(bool has_stop) { this->has_stop_ = has_stop; }
 void TemplateCover::set_has_toggle(bool has_toggle) { this->has_toggle_ = has_toggle; }
 void TemplateCover::set_has_position(bool has_position) { this->has_position_ = has_position; }

esphome/components/template/cover/template_cover.h

@@ -2,7 +2,6 @@
 
 #include "esphome/core/component.h"
 #include "esphome/core/automation.h"
-#include "esphome/core/template_lambda.h"
 #include "esphome/components/cover/cover.h"
 
 namespace esphome {
@@ -18,8 +17,7 @@ class TemplateCover : public cover::Cover, public Component {
  public:
   TemplateCover();
 
-  template<typename F> void set_state_lambda(F &&f) { this->state_f_.set(std::forward<F>(f)); }
-  template<typename F> void set_tilt_lambda(F &&f) { this->tilt_f_.set(std::forward<F>(f)); }
+  void set_state_lambda(optional<float> (*f)());
   Trigger<> *get_open_trigger() const;
   Trigger<> *get_close_trigger() const;
   Trigger<> *get_stop_trigger() const;
@@ -28,6 +26,7 @@ class TemplateCover : public cover::Cover, public Component {
   Trigger<float> *get_tilt_trigger() const;
   void set_optimistic(bool optimistic);
   void set_assumed_state(bool assumed_state);
+  void set_tilt_lambda(optional<float> (*tilt_f)());
   void set_has_stop(bool has_stop);
   void set_has_position(bool has_position);
   void set_has_tilt(bool has_tilt);
@@ -46,8 +45,8 @@ class TemplateCover : public cover::Cover, public Component {
   void stop_prev_trigger_();
 
   TemplateCoverRestoreMode restore_mode_{COVER_RESTORE};
-  TemplateLambda<float> state_f_;
-  TemplateLambda<float> tilt_f_;
+  optional<optional<float> (*)()> state_f_;
+  optional<optional<float> (*)()> tilt_f_;
   bool assumed_state_{false};
   bool optimistic_{false};
   Trigger<> *open_trigger_;

esphome/components/template/datetime/template_date.cpp

@@ -40,13 +40,14 @@ void TemplateDate::update() {
   if (!this->f_.has_value())
     return;
 
-  auto val = this->f_();
-  if (val.has_value()) {
-    this->year_ = val->year;
-    this->month_ = val->month;
-    this->day_ = val->day_of_month;
-    this->publish_state();
-  }
+  auto val = (*this->f_)();
+  if (!val.has_value())
+    return;
+
+  this->year_ = val->year;
+  this->month_ = val->month;
+  this->day_ = val->day_of_month;
+  this->publish_state();
 }
 
 void TemplateDate::control(const datetime::DateCall &call) {

esphome/components/template/datetime/template_date.h

@@ -9,14 +9,13 @@
 #include "esphome/core/component.h"
 #include "esphome/core/preferences.h"
 #include "esphome/core/time.h"
-#include "esphome/core/template_lambda.h"
 
 namespace esphome {
 namespace template_ {
 
 class TemplateDate : public datetime::DateEntity, public PollingComponent {
  public:
-  template<typename F> void set_template(F &&f) { this->f_.set(std::forward<F>(f)); }
+  void set_template(optional<ESPTime> (*f)()) { this->f_ = f; }
 
   void setup() override;
   void update() override;
@@ -36,7 +35,7 @@ class TemplateDate : public datetime::DateEntity, public PollingComponent {
   ESPTime initial_value_{};
   bool restore_value_{false};
   Trigger<ESPTime> *set_trigger_ = new Trigger<ESPTime>();
-  TemplateLambda<ESPTime> f_;
+  optional<optional<ESPTime> (*)()> f_;
 
   ESPPreferenceObject pref_;
 };

esphome/components/template/datetime/template_datetime.cpp

@@ -43,16 +43,17 @@ void TemplateDateTime::update() {
   if (!this->f_.has_value())
     return;
 
-  auto val = this->f_();
-  if (val.has_value()) {
-    this->year_ = val->year;
-    this->month_ = val->month;
-    this->day_ = val->day_of_month;
-    this->hour_ = val->hour;
-    this->minute_ = val->minute;
-    this->second_ = val->second;
-    this->publish_state();
-  }
+  auto val = (*this->f_)();
+  if (!val.has_value())
+    return;
+
+  this->year_ = val->year;
+  this->month_ = val->month;
+  this->day_ = val->day_of_month;
+  this->hour_ = val->hour;
+  this->minute_ = val->minute;
+  this->second_ = val->second;
+  this->publish_state();
 }
 
 void TemplateDateTime::control(const datetime::DateTimeCall &call) {

esphome/components/template/datetime/template_datetime.h

@@ -9,14 +9,13 @@
 #include "esphome/core/component.h"
 #include "esphome/core/preferences.h"
 #include "esphome/core/time.h"
-#include "esphome/core/template_lambda.h"
 
 namespace esphome {
 namespace template_ {
 
 class TemplateDateTime : public datetime::DateTimeEntity, public PollingComponent {
  public:
-  template<typename F> void set_template(F &&f) { this->f_.set(std::forward<F>(f)); }
+  void set_template(optional<ESPTime> (*f)()) { this->f_ = f; }
 
   void setup() override;
   void update() override;
@@ -36,7 +35,7 @@ class TemplateDateTime : public datetime::DateTimeEntity, public PollingComponen
   ESPTime initial_value_{};
   bool restore_value_{false};
   Trigger<ESPTime> *set_trigger_ = new Trigger<ESPTime>();
-  TemplateLambda<ESPTime> f_;
+  optional<optional<ESPTime> (*)()> f_;
 
   ESPPreferenceObject pref_;
 };

esphome/components/template/datetime/template_time.cpp

@@ -40,13 +40,14 @@ void TemplateTime::update() {
   if (!this->f_.has_value())
     return;
 
-  auto val = this->f_();
-  if (val.has_value()) {
-    this->hour_ = val->hour;
-    this->minute_ = val->minute;
-    this->second_ = val->second;
-    this->publish_state();
-  }
+  auto val = (*this->f_)();
+  if (!val.has_value())
+    return;
+
+  this->hour_ = val->hour;
+  this->minute_ = val->minute;
+  this->second_ = val->second;
+  this->publish_state();
 }
 
 void TemplateTime::control(const datetime::TimeCall &call) {

esphome/components/template/datetime/template_time.h

@@ -9,14 +9,13 @@
 #include "esphome/core/component.h"
 #include "esphome/core/preferences.h"
 #include "esphome/core/time.h"
-#include "esphome/core/template_lambda.h"
 
 namespace esphome {
 namespace template_ {
 
 class TemplateTime : public datetime::TimeEntity, public PollingComponent {
  public:
-  template<typename F> void set_template(F &&f) { this->f_.set(std::forward<F>(f)); }
+  void set_template(optional<ESPTime> (*f)()) { this->f_ = f; }
 
   void setup() override;
   void update() override;
@@ -36,7 +35,7 @@ class TemplateTime : public datetime::TimeEntity, public PollingComponent {
   ESPTime initial_value_{};
   bool restore_value_{false};
   Trigger<ESPTime> *set_trigger_ = new Trigger<ESPTime>();
-  TemplateLambda<ESPTime> f_;
+  optional<optional<ESPTime> (*)()> f_;
 
   ESPPreferenceObject pref_;
 };

esphome/components/template/fan/template_fan.cpp

@@ -29,7 +29,7 @@ void TemplateFan::control(const fan::FanCall &call) {
     this->oscillating = *call.get_oscillating();
   if (call.get_direction().has_value() && this->has_direction_)
     this->direction = *call.get_direction();
-  this->set_preset_mode_(call.get_preset_mode());
+  this->preset_mode = call.get_preset_mode();
 
   this->publish_state();
 }

esphome/components/template/fan/template_fan.h

@@ -1,5 +1,7 @@
 #pragma once
 
+#include <set>
+
 #include "esphome/core/component.h"
 #include "esphome/components/fan/fan.h"
 
@@ -14,7 +16,7 @@ class TemplateFan : public Component, public fan::Fan {
   void set_has_direction(bool has_direction) { this->has_direction_ = has_direction; }
   void set_has_oscillating(bool has_oscillating) { this->has_oscillating_ = has_oscillating; }
   void set_speed_count(int count) { this->speed_count_ = count; }
-  void set_preset_modes(std::initializer_list<const char *> presets) { this->preset_modes_ = presets; }
+  void set_preset_modes(const std::set<std::string> &presets) { this->preset_modes_ = presets; }
   fan::FanTraits get_traits() override { return this->traits_; }
 
  protected:
@@ -24,7 +26,7 @@ class TemplateFan : public Component, public fan::Fan {
   bool has_direction_{false};
   int speed_count_{0};
   fan::FanTraits traits_;
-  std::vector<const char *> preset_modes_{};
+  std::set<std::string> preset_modes_{};
 };
 
 }  // namespace template_

esphome/components/template/lock/template_lock.cpp

@@ -11,16 +11,14 @@ static const char *const TAG = "template.lock";
 TemplateLock::TemplateLock()
     : lock_trigger_(new Trigger<>()), unlock_trigger_(new Trigger<>()), open_trigger_(new Trigger<>()) {}
 
-void TemplateLock::setup() {
-  if (!this->f_.has_value())
-    this->disable_loop();
-}
-
 void TemplateLock::loop() {
-  auto val = this->f_();
-  if (val.has_value()) {
-    this->publish_state(*val);
-  }
+  if (!this->f_.has_value())
+    return;
+  auto val = (*this->f_)();
+  if (!val.has_value())
+    return;
+
+  this->publish_state(*val);
 }
 void TemplateLock::control(const lock::LockCall &call) {
   if (this->prev_trigger_ != nullptr) {
@@ -47,6 +45,7 @@ void TemplateLock::open_latch() {
   this->open_trigger_->trigger();
 }
 void TemplateLock::set_optimistic(bool optimistic) { this->optimistic_ = optimistic; }
+void TemplateLock::set_state_lambda(optional<lock::LockState> (*f)()) { this->f_ = f; }
 float TemplateLock::get_setup_priority() const { return setup_priority::HARDWARE; }
 Trigger<> *TemplateLock::get_lock_trigger() const { return this->lock_trigger_; }
 Trigger<> *TemplateLock::get_unlock_trigger() const { return this->unlock_trigger_; }

esphome/components/template/lock/template_lock.h

@@ -2,7 +2,6 @@
 
 #include "esphome/core/component.h"
 #include "esphome/core/automation.h"
-#include "esphome/core/template_lambda.h"
 #include "esphome/components/lock/lock.h"
 
 namespace esphome {
@@ -12,10 +11,9 @@ class TemplateLock : public lock::Lock, public Component {
  public:
   TemplateLock();
 
-  void setup() override;
   void dump_config() override;
 
-  template<typename F> void set_state_lambda(F &&f) { this->f_.set(std::forward<F>(f)); }
+  void set_state_lambda(optional<lock::LockState> (*f)());
   Trigger<> *get_lock_trigger() const;
   Trigger<> *get_unlock_trigger() const;
   Trigger<> *get_open_trigger() const;
@@ -28,7 +26,7 @@ class TemplateLock : public lock::Lock, public Component {
   void control(const lock::LockCall &call) override;
   void open_latch() override;
 
-  TemplateLambda<lock::LockState> f_;
+  optional<optional<lock::LockState> (*)()> f_;
   bool optimistic_{false};
   Trigger<> *lock_trigger_;
   Trigger<> *unlock_trigger_;

esphome/components/template/number/template_number.cpp

@@ -30,10 +30,11 @@ void TemplateNumber::update() {
   if (!this->f_.has_value())
     return;
 
-  auto val = this->f_();
-  if (val.has_value()) {
-    this->publish_state(*val);
-  }
+  auto val = (*this->f_)();
+  if (!val.has_value())
+    return;
+
+  this->publish_state(*val);
 }
 
 void TemplateNumber::control(float value) {

esphome/components/template/number/template_number.h

@@ -4,14 +4,13 @@
 #include "esphome/core/automation.h"
 #include "esphome/core/component.h"
 #include "esphome/core/preferences.h"
-#include "esphome/core/template_lambda.h"
 
 namespace esphome {
 namespace template_ {
 
 class TemplateNumber : public number::Number, public PollingComponent {
  public:
-  template<typename F> void set_template(F &&f) { this->f_.set(std::forward<F>(f)); }
+  void set_template(optional<float> (*f)()) { this->f_ = f; }
 
   void setup() override;
   void update() override;
@@ -29,7 +28,7 @@ class TemplateNumber : public number::Number, public PollingComponent {
   float initial_value_{NAN};
   bool restore_value_{false};
   Trigger<float> *set_trigger_ = new Trigger<float>();
-  TemplateLambda<float> f_;
+  optional<optional<float> (*)()> f_;
 
   ESPPreferenceObject pref_;
 };

esphome/components/template/select/template_select.cpp

@@ -31,14 +31,16 @@ void TemplateSelect::update() {
   if (!this->f_.has_value())
     return;
 
-  auto val = this->f_();
-  if (val.has_value()) {
-    if (!this->has_option(*val)) {
-      ESP_LOGE(TAG, "Lambda returned an invalid option: %s", (*val).c_str());
-      return;
-    }
-    this->publish_state(*val);
+  auto val = (*this->f_)();
+  if (!val.has_value())
+    return;
+
+  if (!this->has_option(*val)) {
+    ESP_LOGE(TAG, "Lambda returned an invalid option: %s", (*val).c_str());
+    return;
   }
+
+  this->publish_state(*val);
 }
 
 void TemplateSelect::control(const std::string &value) {

esphome/components/template/select/template_select.h

@@ -4,14 +4,13 @@
 #include "esphome/core/automation.h"
 #include "esphome/core/component.h"
 #include "esphome/core/preferences.h"
-#include "esphome/core/template_lambda.h"
 
 namespace esphome {
 namespace template_ {
 
 class TemplateSelect : public select::Select, public PollingComponent {
  public:
-  template<typename F> void set_template(F &&f) { this->f_.set(std::forward<F>(f)); }
+  void set_template(optional<std::string> (*f)()) { this->f_ = f; }
 
   void setup() override;
   void update() override;
@@ -29,7 +28,7 @@ class TemplateSelect : public select::Select, public PollingComponent {
   size_t initial_option_index_{0};
   bool restore_value_ = false;
   Trigger<std::string> *set_trigger_ = new Trigger<std::string>();
-  TemplateLambda<std::string> f_;
+  optional<optional<std::string> (*)()> f_;
 
   ESPPreferenceObject pref_;
 };

esphome/components/template/sensor/template_sensor.cpp

@@ -11,14 +11,13 @@ void TemplateSensor::update() {
   if (!this->f_.has_value())
     return;
 
-  auto val = this->f_();
+  auto val = (*this->f_)();
   if (val.has_value()) {
     this->publish_state(*val);
   }
 }
-
 float TemplateSensor::get_setup_priority() const { return setup_priority::HARDWARE; }
-
+void TemplateSensor::set_template(optional<float> (*f)()) { this->f_ = f; }
 void TemplateSensor::dump_config() {
   LOG_SENSOR("", "Template Sensor", this);
   LOG_UPDATE_INTERVAL(this);

esphome/components/template/sensor/template_sensor.h

@@ -1,7 +1,6 @@
 #pragma once
 
 #include "esphome/core/component.h"
-#include "esphome/core/template_lambda.h"
 #include "esphome/components/sensor/sensor.h"
 
 namespace esphome {
@@ -9,7 +8,7 @@ namespace template_ {
 
 class TemplateSensor : public sensor::Sensor, public PollingComponent {
  public:
-  template<typename F> void set_template(F &&f) { this->f_.set(std::forward<F>(f)); }
+  void set_template(optional<float> (*f)());
 
   void update() override;
 
@@ -18,7 +17,7 @@ class TemplateSensor : public sensor::Sensor, public PollingComponent {
   float get_setup_priority() const override;
 
  protected:
-  TemplateLambda<float> f_;
+  optional<optional<float> (*)()> f_;
 };
 
 }  // namespace template_

esphome/components/template/switch/template_switch.cpp

@@ -9,10 +9,13 @@ static const char *const TAG = "template.switch";
 TemplateSwitch::TemplateSwitch() : turn_on_trigger_(new Trigger<>()), turn_off_trigger_(new Trigger<>()) {}
 
 void TemplateSwitch::loop() {
-  auto s = this->f_();
-  if (s.has_value()) {
-    this->publish_state(*s);
-  }
+  if (!this->f_.has_value())
+    return;
+  auto s = (*this->f_)();
+  if (!s.has_value())
+    return;
+
+  this->publish_state(*s);
 }
 void TemplateSwitch::write_state(bool state) {
   if (this->prev_trigger_ != nullptr) {
@@ -32,13 +35,11 @@ void TemplateSwitch::write_state(bool state) {
 }
 void TemplateSwitch::set_optimistic(bool optimistic) { this->optimistic_ = optimistic; }
 bool TemplateSwitch::assumed_state() { return this->assumed_state_; }
+void TemplateSwitch::set_state_lambda(optional<bool> (*f)()) { this->f_ = f; }
 float TemplateSwitch::get_setup_priority() const { return setup_priority::HARDWARE - 2.0f; }
 Trigger<> *TemplateSwitch::get_turn_on_trigger() const { return this->turn_on_trigger_; }
 Trigger<> *TemplateSwitch::get_turn_off_trigger() const { return this->turn_off_trigger_; }
 void TemplateSwitch::setup() {
-  if (!this->f_.has_value())
-    this->disable_loop();
-
   optional<bool> initial_state = this->get_initial_state_with_restore_mode();
 
   if (initial_state.has_value()) {

esphome/components/template/switch/template_switch.h

@@ -2,7 +2,6 @@
 
 #include "esphome/core/component.h"
 #include "esphome/core/automation.h"
-#include "esphome/core/template_lambda.h"
 #include "esphome/components/switch/switch.h"
 
 namespace esphome {
@@ -15,7 +14,7 @@ class TemplateSwitch : public switch_::Switch, public Component {
   void setup() override;
   void dump_config() override;
 
-  template<typename F> void set_state_lambda(F &&f) { this->f_.set(std::forward<F>(f)); }
+  void set_state_lambda(optional<bool> (*f)());
   Trigger<> *get_turn_on_trigger() const;
   Trigger<> *get_turn_off_trigger() const;
   void set_optimistic(bool optimistic);
@@ -29,7 +28,7 @@ class TemplateSwitch : public switch_::Switch, public Component {
 
   void write_state(bool state) override;
 
-  TemplateLambda<bool> f_;
+  optional<optional<bool> (*)()> f_;
   bool optimistic_{false};
   bool assumed_state_{false};
   Trigger<> *turn_on_trigger_;

esphome/components/template/text/template_text.cpp

@@ -7,8 +7,10 @@ namespace template_ {
 static const char *const TAG = "template.text";
 
 void TemplateText::setup() {
-  if (this->f_.has_value())
-    return;
+  if (!(this->f_ == nullptr)) {
+    if (this->f_.has_value())
+      return;
+  }
   std::string value = this->initial_value_;
   if (!this->pref_) {
     ESP_LOGD(TAG, "State from initial: %s", value.c_str());
@@ -24,13 +26,17 @@ void TemplateText::setup() {
 }
 
 void TemplateText::update() {
+  if (this->f_ == nullptr)
+    return;
+
   if (!this->f_.has_value())
     return;
 
-  auto val = this->f_();
-  if (val.has_value()) {
-    this->publish_state(*val);
-  }
+  auto val = (*this->f_)();
+  if (!val.has_value())
+    return;
+
+  this->publish_state(*val);
 }
 
 void TemplateText::control(const std::string &value) {

esphome/components/template/text/template_text.h

@@ -4,7 +4,6 @@
 #include "esphome/core/automation.h"
 #include "esphome/core/component.h"
 #include "esphome/core/preferences.h"
-#include "esphome/core/template_lambda.h"
 
 namespace esphome {
 namespace template_ {
@@ -62,7 +61,7 @@ template<uint8_t SZ> class TextSaver : public TemplateTextSaverBase {
 
 class TemplateText : public text::Text, public PollingComponent {
  public:
-  template<typename F> void set_template(F &&f) { this->f_.set(std::forward<F>(f)); }
+  void set_template(optional<std::string> (*f)()) { this->f_ = f; }
 
   void setup() override;
   void update() override;
@@ -79,7 +78,7 @@ class TemplateText : public text::Text, public PollingComponent {
   bool optimistic_ = false;
   std::string initial_value_;
   Trigger<std::string> *set_trigger_ = new Trigger<std::string>();
-  TemplateLambda<std::string> f_{};
+  optional<optional<std::string> (*)()> f_{nullptr};
 
   TemplateTextSaverBase *pref_ = nullptr;
 };

esphome/components/template/text_sensor/template_text_sensor.cpp

@@ -10,14 +10,13 @@ void TemplateTextSensor::update() {
   if (!this->f_.has_value())
     return;
 
-  auto val = this->f_();
+  auto val = (*this->f_)();
   if (val.has_value()) {
     this->publish_state(*val);
   }
 }
-
 float TemplateTextSensor::get_setup_priority() const { return setup_priority::HARDWARE; }
-
+void TemplateTextSensor::set_template(optional<std::string> (*f)()) { this->f_ = f; }
 void TemplateTextSensor::dump_config() { LOG_TEXT_SENSOR("", "Template Sensor", this); }
 
 }  // namespace template_

esphome/components/template/text_sensor/template_text_sensor.h

@@ -2,7 +2,6 @@
 
 #include "esphome/core/component.h"
 #include "esphome/core/automation.h"
-#include "esphome/core/template_lambda.h"
 #include "esphome/components/text_sensor/text_sensor.h"
 
 namespace esphome {
@@ -10,7 +9,7 @@ namespace template_ {
 
 class TemplateTextSensor : public text_sensor::TextSensor, public PollingComponent {
  public:
-  template<typename F> void set_template(F &&f) { this->f_.set(std::forward<F>(f)); }
+  void set_template(optional<std::string> (*f)());
 
   void update() override;
 
@@ -19,7 +18,7 @@ class TemplateTextSensor : public text_sensor::TextSensor, public PollingCompone
   void dump_config() override;
 
  protected:
-  TemplateLambda<std::string> f_{};
+  optional<optional<std::string> (*)()> f_{};
 };
 
 }  // namespace template_

esphome/components/template/valve/template_valve.cpp

@@ -33,19 +33,19 @@ void TemplateValve::setup() {
       break;
     }
   }
-  if (!this->state_f_.has_value())
-    this->disable_loop();
 }
 
 void TemplateValve::loop() {
   bool changed = false;
 
-  auto s = this->state_f_();
-  if (s.has_value()) {
-    auto pos = clamp(*s, 0.0f, 1.0f);
-    if (pos != this->position) {
-      this->position = pos;
-      changed = true;
+  if (this->state_f_.has_value()) {
+    auto s = (*this->state_f_)();
+    if (s.has_value()) {
+      auto pos = clamp(*s, 0.0f, 1.0f);
+      if (pos != this->position) {
+        this->position = pos;
+        changed = true;
+      }
     }
   }
 
@@ -55,6 +55,7 @@ void TemplateValve::loop() {
 
 void TemplateValve::set_optimistic(bool optimistic) { this->optimistic_ = optimistic; }
 void TemplateValve::set_assumed_state(bool assumed_state) { this->assumed_state_ = assumed_state; }
+void TemplateValve::set_state_lambda(optional<float> (*f)()) { this->state_f_ = f; }
 float TemplateValve::get_setup_priority() const { return setup_priority::HARDWARE; }
 
 Trigger<> *TemplateValve::get_open_trigger() const { return this->open_trigger_; }

esphome/components/template/valve/template_valve.h

@@ -2,7 +2,6 @@
 
 #include "esphome/core/component.h"
 #include "esphome/core/automation.h"
-#include "esphome/core/template_lambda.h"
 #include "esphome/components/valve/valve.h"
 
 namespace esphome {
@@ -18,7 +17,7 @@ class TemplateValve : public valve::Valve, public Component {
  public:
   TemplateValve();
 
-  template<typename F> void set_state_lambda(F &&f) { this->state_f_.set(std::forward<F>(f)); }
+  void set_state_lambda(optional<float> (*f)());
   Trigger<> *get_open_trigger() const;
   Trigger<> *get_close_trigger() const;
   Trigger<> *get_stop_trigger() const;
@@ -43,7 +42,7 @@ class TemplateValve : public valve::Valve, public Component {
   void stop_prev_trigger_();
 
   TemplateValveRestoreMode restore_mode_{VALVE_NO_RESTORE};
-  TemplateLambda<float> state_f_;
+  optional<optional<float> (*)()> state_f_;
   bool assumed_state_{false};
   bool optimistic_{false};
   Trigger<> *open_trigger_;

esphome/components/web_server/web_server.cpp

@@ -111,7 +111,8 @@ void DeferredUpdateEventSource::deq_push_back_with_dedup_(void *source, message_
   // Use range-based for loop instead of std::find_if to reduce template instantiation overhead and binary size
   for (auto &event : this->deferred_queue_) {
     if (event == item) {
-      return;  // Already in queue, no need to update since items are equal
+      event = item;
+      return;
     }
   }
   this->deferred_queue_.push_back(item);
@@ -219,51 +220,50 @@ void DeferredUpdateEventSourceList::add_new_client(WebServer *ws, AsyncWebServer
   DeferredUpdateEventSource *es = new DeferredUpdateEventSource(ws, "/events");
   this->push_back(es);
 
-  es->onConnect([this, es](AsyncEventSourceClient *client) { this->on_client_connect_(es); });
+  es->onConnect([this, ws, es](AsyncEventSourceClient *client) {
+    ws->defer([this, ws, es]() { this->on_client_connect_(ws, es); });
+  });
 
-  es->onDisconnect([this, es](AsyncEventSourceClient *client) { this->on_client_disconnect_(es); });
+  es->onDisconnect([this, ws, es](AsyncEventSourceClient *client) {
+    ws->defer([this, es]() { this->on_client_disconnect_((DeferredUpdateEventSource *) es); });
+  });
 
   es->handleRequest(request);
 }
 
-void DeferredUpdateEventSourceList::on_client_connect_(DeferredUpdateEventSource *source) {
-  WebServer *ws = source->web_server_;
-  ws->defer([ws, source]() {
-    // Configure reconnect timeout and send config
-    // this should always go through since the AsyncEventSourceClient event queue is empty on connect
-    std::string message = ws->get_config_json();
-    source->try_send_nodefer(message.c_str(), "ping", millis(), 30000);
+void DeferredUpdateEventSourceList::on_client_connect_(WebServer *ws, DeferredUpdateEventSource *source) {
+  // Configure reconnect timeout and send config
+  // this should always go through since the AsyncEventSourceClient event queue is empty on connect
+  std::string message = ws->get_config_json();
+  source->try_send_nodefer(message.c_str(), "ping", millis(), 30000);
 
 #ifdef USE_WEBSERVER_SORTING
-    for (auto &group : ws->sorting_groups_) {
-      json::JsonBuilder builder;
-      JsonObject root = builder.root();
-      root["name"] = group.second.name;
-      root["sorting_weight"] = group.second.weight;
-      message = builder.serialize();
+  for (auto &group : ws->sorting_groups_) {
+    json::JsonBuilder builder;
+    JsonObject root = builder.root();
+    root["name"] = group.second.name;
+    root["sorting_weight"] = group.second.weight;
+    message = builder.serialize();
 
-      // up to 31 groups should be able to be queued initially without defer
-      source->try_send_nodefer(message.c_str(), "sorting_group");
-    }
+    // up to 31 groups should be able to be queued initially without defer
+    source->try_send_nodefer(message.c_str(), "sorting_group");
+  }
 #endif
 
-    source->entities_iterator_.begin(ws->include_internal_);
+  source->entities_iterator_.begin(ws->include_internal_);
 
-    // just dump them all up-front and take advantage of the deferred queue
-    //     on second thought that takes too long, but leaving the commented code here for debug purposes
-    // while(!source->entities_iterator_.completed()) {
-    //  source->entities_iterator_.advance();
-    //}
-  });
+  // just dump them all up-front and take advantage of the deferred queue
+  //     on second thought that takes too long, but leaving the commented code here for debug purposes
+  // while(!source->entities_iterator_.completed()) {
+  //  source->entities_iterator_.advance();
+  //}
 }
 
 void DeferredUpdateEventSourceList::on_client_disconnect_(DeferredUpdateEventSource *source) {
-  source->web_server_->defer([this, source]() {
-    // This method was called via WebServer->defer() and is no longer executing in the
-    // context of the network callback. The object is now dead and can be safely deleted.
-    this->remove(source);
-    delete source;  // NOLINT
-  });
+  // This method was called via WebServer->defer() and is no longer executing in the
+  // context of the network callback. The object is now dead and can be safely deleted.
+  this->remove(source);
+  delete source;  // NOLINT
 }
 #endif
 
@@ -435,10 +435,9 @@ void WebServer::on_sensor_update(sensor::Sensor *obj, float state) {
 }
 void WebServer::handle_sensor_request(AsyncWebServerRequest *request, const UrlMatch &match) {
   for (sensor::Sensor *obj : App.get_sensors()) {
-    if (!match.id_equals_entity(obj))
+    if (!match.id_equals(obj->get_object_id()))
       continue;
-    // Note: request->method() is always HTTP_GET here (canHandle ensures this)
-    if (match.method_empty()) {
+    if (request->method() == HTTP_GET && match.method_empty()) {
       auto detail = get_request_detail(request);
       std::string data = this->sensor_json(obj, obj->state, detail);
       request->send(200, "application/json", data.c_str());
@@ -478,10 +477,9 @@ void WebServer::on_text_sensor_update(text_sensor::TextSensor *obj, const std::s
 }
 void WebServer::handle_text_sensor_request(AsyncWebServerRequest *request, const UrlMatch &match) {
   for (text_sensor::TextSensor *obj : App.get_text_sensors()) {
-    if (!match.id_equals_entity(obj))
+    if (!match.id_equals(obj->get_object_id()))
       continue;
-    // Note: request->method() is always HTTP_GET here (canHandle ensures this)
-    if (match.method_empty()) {
+    if (request->method() == HTTP_GET && match.method_empty()) {
       auto detail = get_request_detail(request);
       std::string data = this->text_sensor_json(obj, obj->state, detail);
       request->send(200, "application/json", data.c_str());
@@ -518,7 +516,7 @@ void WebServer::on_switch_update(switch_::Switch *obj, bool state) {
 }
 void WebServer::handle_switch_request(AsyncWebServerRequest *request, const UrlMatch &match) {
   for (switch_::Switch *obj : App.get_switches()) {
-    if (!match.id_equals_entity(obj))
+    if (!match.id_equals(obj->get_object_id()))
       continue;
 
     if (request->method() == HTTP_GET && match.method_empty()) {
@@ -587,7 +585,7 @@ std::string WebServer::switch_json(switch_::Switch *obj, bool value, JsonDetail
 #ifdef USE_BUTTON
 void WebServer::handle_button_request(AsyncWebServerRequest *request, const UrlMatch &match) {
   for (button::Button *obj : App.get_buttons()) {
-    if (!match.id_equals_entity(obj))
+    if (!match.id_equals(obj->get_object_id()))
       continue;
     if (request->method() == HTTP_GET && match.method_empty()) {
       auto detail = get_request_detail(request);
@@ -629,10 +627,9 @@ void WebServer::on_binary_sensor_update(binary_sensor::BinarySensor *obj) {
 }
 void WebServer::handle_binary_sensor_request(AsyncWebServerRequest *request, const UrlMatch &match) {
   for (binary_sensor::BinarySensor *obj : App.get_binary_sensors()) {
-    if (!match.id_equals_entity(obj))
+    if (!match.id_equals(obj->get_object_id()))
       continue;
-    // Note: request->method() is always HTTP_GET here (canHandle ensures this)
-    if (match.method_empty()) {
+    if (request->method() == HTTP_GET && match.method_empty()) {
       auto detail = get_request_detail(request);
       std::string data = this->binary_sensor_json(obj, obj->state, detail);
       request->send(200, "application/json", data.c_str());
@@ -668,7 +665,7 @@ void WebServer::on_fan_update(fan::Fan *obj) {
 }
 void WebServer::handle_fan_request(AsyncWebServerRequest *request, const UrlMatch &match) {
   for (fan::Fan *obj : App.get_fans()) {
-    if (!match.id_equals_entity(obj))
+    if (!match.id_equals(obj->get_object_id()))
       continue;
 
     if (request->method() == HTTP_GET && match.method_empty()) {
@@ -742,7 +739,7 @@ void WebServer::on_light_update(light::LightState *obj) {
 }
 void WebServer::handle_light_request(AsyncWebServerRequest *request, const UrlMatch &match) {
   for (light::LightState *obj : App.get_lights()) {
-    if (!match.id_equals_entity(obj))
+    if (!match.id_equals(obj->get_object_id()))
       continue;
 
     if (request->method() == HTTP_GET && match.method_empty()) {
@@ -815,7 +812,7 @@ void WebServer::on_cover_update(cover::Cover *obj) {
 }
 void WebServer::handle_cover_request(AsyncWebServerRequest *request, const UrlMatch &match) {
   for (cover::Cover *obj : App.get_covers()) {
-    if (!match.id_equals_entity(obj))
+    if (!match.id_equals(obj->get_object_id()))
       continue;
 
     if (request->method() == HTTP_GET && match.method_empty()) {
@@ -900,7 +897,7 @@ void WebServer::on_number_update(number::Number *obj, float state) {
 }
 void WebServer::handle_number_request(AsyncWebServerRequest *request, const UrlMatch &match) {
   for (auto *obj : App.get_numbers()) {
-    if (!match.id_equals_entity(obj))
+    if (!match.id_equals(obj->get_object_id()))
       continue;
 
     if (request->method() == HTTP_GET && match.method_empty()) {
@@ -965,7 +962,7 @@ void WebServer::on_date_update(datetime::DateEntity *obj) {
 }
 void WebServer::handle_date_request(AsyncWebServerRequest *request, const UrlMatch &match) {
   for (auto *obj : App.get_dates()) {
-    if (!match.id_equals_entity(obj))
+    if (!match.id_equals(obj->get_object_id()))
       continue;
     if (request->method() == HTTP_GET && match.method_empty()) {
       auto detail = get_request_detail(request);
@@ -1020,7 +1017,7 @@ void WebServer::on_time_update(datetime::TimeEntity *obj) {
 }
 void WebServer::handle_time_request(AsyncWebServerRequest *request, const UrlMatch &match) {
   for (auto *obj : App.get_times()) {
-    if (!match.id_equals_entity(obj))
+    if (!match.id_equals(obj->get_object_id()))
       continue;
     if (request->method() == HTTP_GET && match.method_empty()) {
       auto detail = get_request_detail(request);
@@ -1074,7 +1071,7 @@ void WebServer::on_datetime_update(datetime::DateTimeEntity *obj) {
 }
 void WebServer::handle_datetime_request(AsyncWebServerRequest *request, const UrlMatch &match) {
   for (auto *obj : App.get_datetimes()) {
-    if (!match.id_equals_entity(obj))
+    if (!match.id_equals(obj->get_object_id()))
       continue;
     if (request->method() == HTTP_GET && match.method_empty()) {
       auto detail = get_request_detail(request);
@@ -1129,7 +1126,7 @@ void WebServer::on_text_update(text::Text *obj, const std::string &state) {
 }
 void WebServer::handle_text_request(AsyncWebServerRequest *request, const UrlMatch &match) {
   for (auto *obj : App.get_texts()) {
-    if (!match.id_equals_entity(obj))
+    if (!match.id_equals(obj->get_object_id()))
       continue;
 
     if (request->method() == HTTP_GET && match.method_empty()) {
@@ -1183,7 +1180,7 @@ void WebServer::on_select_update(select::Select *obj, const std::string &state,
 }
 void WebServer::handle_select_request(AsyncWebServerRequest *request, const UrlMatch &match) {
   for (auto *obj : App.get_selects()) {
-    if (!match.id_equals_entity(obj))
+    if (!match.id_equals(obj->get_object_id()))
       continue;
 
     if (request->method() == HTTP_GET && match.method_empty()) {
@@ -1239,7 +1236,7 @@ void WebServer::on_climate_update(climate::Climate *obj) {
 }
 void WebServer::handle_climate_request(AsyncWebServerRequest *request, const UrlMatch &match) {
   for (auto *obj : App.get_climates()) {
-    if (!match.id_equals_entity(obj))
+    if (!match.id_equals(obj->get_object_id()))
       continue;
 
     if (request->method() == HTTP_GET && match.method_empty()) {
@@ -1380,7 +1377,7 @@ void WebServer::on_lock_update(lock::Lock *obj) {
 }
 void WebServer::handle_lock_request(AsyncWebServerRequest *request, const UrlMatch &match) {
   for (lock::Lock *obj : App.get_locks()) {
-    if (!match.id_equals_entity(obj))
+    if (!match.id_equals(obj->get_object_id()))
       continue;
 
     if (request->method() == HTTP_GET && match.method_empty()) {
@@ -1451,7 +1448,7 @@ void WebServer::on_valve_update(valve::Valve *obj) {
 }
 void WebServer::handle_valve_request(AsyncWebServerRequest *request, const UrlMatch &match) {
   for (valve::Valve *obj : App.get_valves()) {
-    if (!match.id_equals_entity(obj))
+    if (!match.id_equals(obj->get_object_id()))
       continue;
 
     if (request->method() == HTTP_GET && match.method_empty()) {
@@ -1532,7 +1529,7 @@ void WebServer::on_alarm_control_panel_update(alarm_control_panel::AlarmControlP
 }
 void WebServer::handle_alarm_control_panel_request(AsyncWebServerRequest *request, const UrlMatch &match) {
   for (alarm_control_panel::AlarmControlPanel *obj : App.get_alarm_control_panels()) {
-    if (!match.id_equals_entity(obj))
+    if (!match.id_equals(obj->get_object_id()))
       continue;
 
     if (request->method() == HTTP_GET && match.method_empty()) {
@@ -1611,11 +1608,10 @@ void WebServer::on_event(event::Event *obj, const std::string &event_type) {
 
 void WebServer::handle_event_request(AsyncWebServerRequest *request, const UrlMatch &match) {
   for (event::Event *obj : App.get_events()) {
-    if (!match.id_equals_entity(obj))
+    if (!match.id_equals(obj->get_object_id()))
       continue;
 
-    // Note: request->method() is always HTTP_GET here (canHandle ensures this)
-    if (match.method_empty()) {
+    if (request->method() == HTTP_GET && match.method_empty()) {
       auto detail = get_request_detail(request);
       std::string data = this->event_json(obj, "", detail);
       request->send(200, "application/json", data.c_str());
@@ -1677,7 +1673,7 @@ void WebServer::on_update(update::UpdateEntity *obj) {
 }
 void WebServer::handle_update_request(AsyncWebServerRequest *request, const UrlMatch &match) {
   for (update::UpdateEntity *obj : App.get_updates()) {
-    if (!match.id_equals_entity(obj))
+    if (!match.id_equals(obj->get_object_id()))
       continue;
 
     if (request->method() == HTTP_GET && match.method_empty()) {

esphome/components/web_server/web_server.h

@@ -48,15 +48,8 @@ struct UrlMatch {
     return domain && domain_len == strlen(str) && memcmp(domain, str, domain_len) == 0;
   }
 
-  bool id_equals_entity(EntityBase *entity) const {
-    // Zero-copy comparison using StringRef
-    StringRef static_ref = entity->get_object_id_ref_for_api_();
-    if (!static_ref.empty()) {
-      return id && id_len == static_ref.size() && memcmp(id, static_ref.c_str(), id_len) == 0;
-    }
-    // Fallback to allocation (rare)
-    const auto &obj_id = entity->get_object_id();
-    return id && id_len == obj_id.length() && memcmp(id, obj_id.c_str(), id_len) == 0;
+  bool id_equals(const std::string &str) const {
+    return id && id_len == str.length() && memcmp(id, str.c_str(), id_len) == 0;
   }
 
   bool method_equals(const char *str) const {
@@ -148,7 +141,7 @@ class DeferredUpdateEventSource : public AsyncEventSource {
 
 class DeferredUpdateEventSourceList : public std::list<DeferredUpdateEventSource *> {
  protected:
-  void on_client_connect_(DeferredUpdateEventSource *source);
+  void on_client_connect_(WebServer *ws, DeferredUpdateEventSource *source);
   void on_client_disconnect_(DeferredUpdateEventSource *source);
 
  public:

esphome/components/web_server_idf/web_server_idf.cpp

@@ -4,7 +4,6 @@
 #include <memory>
 #include <cstring>
 #include <cctype>
-#include <cinttypes>
 
 #include "esphome/core/helpers.h"
 #include "esphome/core/log.h"
@@ -246,8 +245,8 @@ void AsyncWebServerRequest::redirect(const std::string &url) {
 }
 
 void AsyncWebServerRequest::init_response_(AsyncWebServerResponse *rsp, int code, const char *content_type) {
-  // Set status code - use constants for common codes, default to 500 for unknown codes
-  const char *status;
+  // Set status code - use constants for common codes to avoid string allocation
+  const char *status = nullptr;
   switch (code) {
     case 200:
       status = HTTPD_200;
@@ -259,10 +258,9 @@ void AsyncWebServerRequest::init_response_(AsyncWebServerResponse *rsp, int code
       status = HTTPD_409;
       break;
     default:
-      status = HTTPD_500;
       break;
   }
-  httpd_resp_set_status(*this, status);
+  httpd_resp_set_status(*this, status == nullptr ? to_string(code).c_str() : status);
 
   if (content_type && *content_type) {
     httpd_resp_set_type(*this, content_type);
@@ -350,13 +348,7 @@ void AsyncWebServerResponse::addHeader(const char *name, const char *value) {
   httpd_resp_set_hdr(*this->req_, name, value);
 }
 
-void AsyncResponseStream::print(float value) {
-  // Use stack buffer to avoid temporary string allocation
-  // Size: sign (1) + digits (10) + decimal (1) + precision (6) + exponent (5) + null (1) = 24, use 32 for safety
-  char buf[32];
-  int len = snprintf(buf, sizeof(buf), "%f", value);
-  this->content_.append(buf, len);
-}
+void AsyncResponseStream::print(float value) { this->print(to_string(value)); }
 
 void AsyncResponseStream::printf(const char *fmt, ...) {
   va_list args;
@@ -502,7 +494,8 @@ void AsyncEventSourceResponse::deq_push_back_with_dedup_(void *source, message_g
   // Use range-based for loop instead of std::find_if to reduce template instantiation overhead and binary size
   for (auto &event : this->deferred_queue_) {
     if (event == item) {
-      return;  // Already in queue, no need to update since items are equal
+      event = item;
+      return;
     }
   }
   this->deferred_queue_.push_back(item);
@@ -601,19 +594,16 @@ bool AsyncEventSourceResponse::try_send_nodefer(const char *message, const char
 
   event_buffer_.append(chunk_len_header);
 
-  // Use stack buffer for formatting numeric fields to avoid temporary string allocations
-  // Size: "retry: " (7) + max uint32 (10 digits) + CRLF (2) + null (1) = 20 bytes, use 32 for safety
-  constexpr size_t num_buf_size = 32;
-  char num_buf[num_buf_size];
-
   if (reconnect) {
-    int len = snprintf(num_buf, num_buf_size, "retry: %" PRIu32 CRLF_STR, reconnect);
-    event_buffer_.append(num_buf, len);
+    event_buffer_.append("retry: ", sizeof("retry: ") - 1);
+    event_buffer_.append(to_string(reconnect));
+    event_buffer_.append(CRLF_STR, CRLF_LEN);
   }
 
   if (id) {
-    int len = snprintf(num_buf, num_buf_size, "id: %" PRIu32 CRLF_STR, id);
-    event_buffer_.append(num_buf, len);
+    event_buffer_.append("id: ", sizeof("id: ") - 1);
+    event_buffer_.append(to_string(id));
+    event_buffer_.append(CRLF_STR, CRLF_LEN);
   }
 
   if (event && *event) {

esphome/components/zephyr/core.cpp

@@ -3,7 +3,7 @@
 #include <zephyr/kernel.h>
 #include <zephyr/drivers/watchdog.h>
 #include <zephyr/sys/reboot.h>
-#include <zephyr/random/random.h>
+#include <zephyr/random/rand32.h>
 #include "esphome/core/hal.h"
 #include "esphome/core/helpers.h"
 

esphome/components/zephyr/gpio.cpp

@@ -8,8 +8,8 @@ namespace zephyr {
 
 static const char *const TAG = "zephyr";
 
-static gpio_flags_t flags_to_mode(gpio::Flags flags, bool inverted, bool value) {
-  gpio_flags_t ret = 0;
+static int flags_to_mode(gpio::Flags flags, bool inverted, bool value) {
+  int ret = 0;
   if (flags & gpio::FLAG_INPUT) {
     ret |= GPIO_INPUT;
   }
@@ -79,10 +79,7 @@ void ZephyrGPIOPin::pin_mode(gpio::Flags flags) {
   if (nullptr == this->gpio_) {
     return;
   }
-  auto ret = gpio_pin_configure(this->gpio_, this->pin_ % 32, flags_to_mode(flags, this->inverted_, this->value_));
-  if (ret != 0) {
-    ESP_LOGE(TAG, "gpio %u cannot be configured %d.", this->pin_, ret);
-  }
+  gpio_pin_configure(this->gpio_, this->pin_ % 32, flags_to_mode(flags, this->inverted_, this->value_));
 }
 
 std::string ZephyrGPIOPin::dump_summary() const {

esphome/config.py

@@ -319,9 +319,6 @@ def iter_ids(config, path=None):
             yield from iter_ids(item, path + [i])
     elif isinstance(config, dict):
         for key, value in config.items():
-            if len(path) == 0 and key == CONF_SUBSTITUTIONS:
-                # Ignore IDs in substitution definitions.
-                continue
             if isinstance(key, core.ID):
                 yield key, path
             yield from iter_ids(value, path + [key])

esphome/config_validation.py

@@ -2,7 +2,6 @@
 
 from __future__ import annotations
 
-from collections.abc import Callable
 from contextlib import contextmanager, suppress
 from dataclasses import dataclass
 from datetime import datetime
@@ -19,7 +18,6 @@ import logging
 from pathlib import Path
 import re
 from string import ascii_letters, digits
-import typing
 import uuid as uuid_
 
 import voluptuous as vol
@@ -1765,37 +1763,16 @@ class SplitDefault(Optional):
 
 
 class OnlyWith(Optional):
-    """Set the default value only if the given component(s) is/are loaded.
+    """Set the default value only if the given component is loaded."""
 
-    This validator allows configuration keys to have defaults that are only applied
-    when specific component(s) are loaded. Supports both single component names and
-    lists of components.
-
-    Args:
-        key: Configuration key
-        component: Single component name (str) or list of component names.
-                  For lists, ALL components must be loaded for the default to apply.
-        default: Default value to use when condition is met
-
-    Example:
-        # Single component
-        cv.OnlyWith(CONF_MQTT_ID, "mqtt"): cv.declare_id(MQTTComponent)
-
-        # Multiple components (all must be loaded)
-        cv.OnlyWith(CONF_ZIGBEE_ID, ["zigbee", "nrf52"]): cv.use_id(Zigbee)
-    """
-
-    def __init__(self, key, component: str | list[str], default=None) -> None:
+    def __init__(self, key, component, default=None):
         super().__init__(key)
         self._component = component
         self._default = vol.default_factory(default)
 
     @property
-    def default(self) -> Callable[[], typing.Any] | vol.Undefined:
-        if isinstance(self._component, list):
-            if all(c in CORE.loaded_integrations for c in self._component):
-                return self._default
-        elif self._component in CORE.loaded_integrations:
+    def default(self):
+        if self._component in CORE.loaded_integrations:
             return self._default
         return vol.UNDEFINED
 

esphome/core/application.cpp

@@ -576,11 +576,10 @@ void Application::yield_with_select_(uint32_t delay_ms) {
     // Update fd_set if socket list has changed
     if (this->socket_fds_changed_) {
       FD_ZERO(&this->base_read_fds_);
-      // fd bounds are already validated in register_socket_fd() or guaranteed by platform design:
-      // - ESP32: LwIP guarantees fd < FD_SETSIZE by design (LWIP_SOCKET_OFFSET = FD_SETSIZE - CONFIG_LWIP_MAX_SOCKETS)
-      // - Other platforms: register_socket_fd() validates fd < FD_SETSIZE
       for (int fd : this->socket_fds_) {
-        FD_SET(fd, &this->base_read_fds_);
+        if (fd >= 0 && fd < FD_SETSIZE) {
+          FD_SET(fd, &this->base_read_fds_);
+        }
       }
       this->socket_fds_changed_ = false;
     }

esphome/core/base_automation.h

@@ -10,7 +10,6 @@
 #include "esphome/core/helpers.h"
 
 #include <vector>
-#include <forward_list>
 
 namespace esphome {
 
@@ -103,7 +102,7 @@ template<typename... Ts> class ForCondition : public Condition<Ts...>, public Co
   bool check_internal() {
     bool cond = this->condition_->check();
     if (!cond)
-      this->last_inactive_ = App.get_loop_component_start_time();
+      this->last_inactive_ = millis();
     return cond;
   }
 
@@ -269,28 +268,32 @@ template<typename... Ts> class WhileAction : public Action<Ts...> {
   void add_then(const std::initializer_list<Action<Ts...> *> &actions) {
     this->then_.add_actions(actions);
     this->then_.add_action(new LambdaAction<Ts...>([this](Ts... x) {
-      if (this->num_running_ > 0 && this->condition_->check(x...)) {
+      if (this->num_running_ > 0 && this->condition_->check_tuple(this->var_)) {
         // play again
-        this->then_.play(x...);
+        if (this->num_running_ > 0) {
+          this->then_.play_tuple(this->var_);
+        }
       } else {
         // condition false, play next
-        this->play_next_(x...);
+        this->play_next_tuple_(this->var_);
       }
     }));
   }
 
   void play_complex(Ts... x) override {
     this->num_running_++;
+    // Store loop parameters
+    this->var_ = std::make_tuple(x...);
     // Initial condition check
-    if (!this->condition_->check(x...)) {
+    if (!this->condition_->check_tuple(this->var_)) {
       // If new condition check failed, stop loop if running
       this->then_.stop();
-      this->play_next_(x...);
+      this->play_next_tuple_(this->var_);
       return;
     }
 
     if (this->num_running_ > 0) {
-      this->then_.play(x...);
+      this->then_.play_tuple(this->var_);
     }
   }
 
@@ -302,6 +305,7 @@ template<typename... Ts> class WhileAction : public Action<Ts...> {
  protected:
   Condition<Ts...> *condition_;
   ActionList<Ts...> then_;
+  std::tuple<Ts...> var_{};
 };
 
 template<typename... Ts> class RepeatAction : public Action<Ts...> {
@@ -313,7 +317,7 @@ template<typename... Ts> class RepeatAction : public Action<Ts...> {
     this->then_.add_action(new LambdaAction<uint32_t, Ts...>([this](uint32_t iteration, Ts... x) {
       iteration++;
       if (iteration >= this->count_.value(x...)) {
-        this->play_next_(x...);
+        this->play_next_tuple_(this->var_);
       } else {
         this->then_.play(iteration, x...);
       }
@@ -322,10 +326,11 @@ template<typename... Ts> class RepeatAction : public Action<Ts...> {
 
   void play_complex(Ts... x) override {
     this->num_running_++;
+    this->var_ = std::make_tuple(x...);
     if (this->count_.value(x...) > 0) {
       this->then_.play(0, x...);
     } else {
-      this->play_next_(x...);
+      this->play_next_tuple_(this->var_);
     }
   }
 
@@ -336,26 +341,15 @@ template<typename... Ts> class RepeatAction : public Action<Ts...> {
 
  protected:
   ActionList<uint32_t, Ts...> then_;
+  std::tuple<Ts...> var_;
 };
 
-/** Wait until a condition is true to continue execution.
- *
- * Uses queue-based storage to safely handle concurrent executions.
- * While concurrent execution from the same trigger is uncommon, it's possible
- * (e.g., rapid button presses, high-frequency sensor updates), so we use
- * queue-based storage for correctness.
- */
 template<typename... Ts> class WaitUntilAction : public Action<Ts...>, public Component {
  public:
   WaitUntilAction(Condition<Ts...> *condition) : condition_(condition) {}
 
   TEMPLATABLE_VALUE(uint32_t, timeout_value)
 
-  void setup() override {
-    // Start with loop disabled - only enable when there's work to do
-    this->disable_loop();
-  }
-
   void play_complex(Ts... x) override {
     this->num_running_++;
     // Check if we can continue immediately.
@@ -365,14 +359,13 @@ template<typename... Ts> class WaitUntilAction : public Action<Ts...>, public Co
       }
       return;
     }
+    this->var_ = std::make_tuple(x...);
 
-    // Store for later processing
-    auto now = millis();
-    auto timeout = this->timeout_value_.optional_value(x...);
-    this->var_queue_.emplace_front(now, timeout, std::make_tuple(x...));
+    if (this->timeout_value_.has_value()) {
+      auto f = std::bind(&WaitUntilAction<Ts...>::play_next_, this, x...);
+      this->set_timeout("timeout", this->timeout_value_.value(x...), f);
+    }
 
-    // Enable loop now that we have work to do
-    this->enable_loop();
     this->loop();
   }
 
@@ -380,32 +373,13 @@ template<typename... Ts> class WaitUntilAction : public Action<Ts...>, public Co
     if (this->num_running_ == 0)
       return;
 
-    auto now = App.get_loop_component_start_time();
-
-    this->var_queue_.remove_if([&](auto &queued) {
-      auto start = std::get<uint32_t>(queued);
-      auto timeout = std::get<optional<uint32_t>>(queued);
-      auto &var = std::get<std::tuple<Ts...>>(queued);
-
-      auto expired = timeout && (now - start) >= *timeout;
-
-      if (!expired && !this->condition_->check_tuple(var)) {
-        return false;
-      }
-
-      this->play_next_tuple_(var);
-      return true;
-    });
-
-    // If queue is now empty, disable loop until next play_complex
-    if (this->var_queue_.empty()) {
-      this->disable_loop();
+    if (!this->condition_->check_tuple(this->var_)) {
+      return;
     }
-  }
 
-  void stop() override {
-    this->var_queue_.clear();
-    this->disable_loop();
+    this->cancel_timeout("timeout");
+
+    this->play_next_tuple_(this->var_);
   }
 
   float get_setup_priority() const override { return setup_priority::DATA; }
@@ -413,9 +387,11 @@ template<typename... Ts> class WaitUntilAction : public Action<Ts...>, public Co
   void play(Ts... x) override { /* ignore - see play_complex */
   }
 
+  void stop() override { this->cancel_timeout("timeout"); }
+
  protected:
   Condition<Ts...> *condition_;
-  std::forward_list<std::tuple<uint32_t, optional<uint32_t>, std::tuple<Ts...>>> var_queue_{};
+  std::tuple<Ts...> var_{};
 };
 
 template<typename... Ts> class UpdateComponentAction : public Action<Ts...> {

esphome/core/component.cpp

@@ -284,7 +284,6 @@ bool Component::is_ready() const {
          (this->component_state_ & COMPONENT_STATE_MASK) == COMPONENT_STATE_LOOP_DONE ||
          (this->component_state_ & COMPONENT_STATE_MASK) == COMPONENT_STATE_SETUP;
 }
-bool Component::is_idle() const { return (this->component_state_ & COMPONENT_STATE_MASK) == COMPONENT_STATE_LOOP_DONE; }
 bool Component::can_proceed() { return true; }
 bool Component::status_has_warning() const { return this->component_state_ & STATUS_LED_WARNING; }
 bool Component::status_has_error() const { return this->component_state_ & STATUS_LED_ERROR; }

esphome/core/component.h

@@ -141,14 +141,6 @@ class Component {
    */
   bool is_in_loop_state() const;
 
-  /** Check if this component is idle.
-   * Being idle means being in LOOP_DONE state.
-   * This means the component has completed setup, is not failed, but its loop is currently disabled.
-   *
-   * @return True if the component is idle
-   */
-  bool is_idle() const;
-
   /** Mark this component as failed. Any future timeouts/intervals/setup/loop will no longer be called.
    *
    * This might be useful if a component wants to indicate that a connection to its peripheral failed.

esphome/core/entity_base.h

@@ -17,10 +17,6 @@ namespace api {
 class APIConnection;
 }  // namespace api
 
-namespace web_server {
-struct UrlMatch;
-}  // namespace web_server
-
 enum EntityCategory : uint8_t {
   ENTITY_CATEGORY_NONE = 0,
   ENTITY_CATEGORY_CONFIG = 1,
@@ -120,7 +116,6 @@ class EntityBase {
 
  protected:
   friend class api::APIConnection;
-  friend struct web_server::UrlMatch;
 
   // Get object_id as StringRef when it's static (for API usage)
   // Returns empty StringRef if object_id is dynamic (needs allocation)

esphome/core/scheduler.cpp

@@ -316,37 +316,59 @@ optional<uint32_t> HOT Scheduler::next_schedule_in(uint32_t now) {
     return 0;
   return next_exec - now_64;
 }
-
-void Scheduler::full_cleanup_removed_items_() {
-  // We hold the lock for the entire cleanup operation because:
-  // 1. We're rebuilding the entire items_ list, so we need exclusive access throughout
-  // 2. Other threads must see either the old state or the new state, not intermediate states
-  // 3. The operation is already expensive (O(n)), so lock overhead is negligible
-  // 4. No operations inside can block or take other locks, so no deadlock risk
-  LockGuard guard{this->lock_};
-
-  std::vector<std::unique_ptr<SchedulerItem>> valid_items;
-
-  // Move all non-removed items to valid_items, recycle removed ones
-  for (auto &item : this->items_) {
-    if (!is_item_removed_(item.get())) {
-      valid_items.push_back(std::move(item));
-    } else {
-      // Recycle removed items
-      this->recycle_item_(std::move(item));
-    }
-  }
-
-  // Replace items_ with the filtered list
-  this->items_ = std::move(valid_items);
-  // Rebuild the heap structure since items are no longer in heap order
-  std::make_heap(this->items_.begin(), this->items_.end(), SchedulerItem::cmp);
-  this->to_remove_ = 0;
-}
-
 void HOT Scheduler::call(uint32_t now) {
 #ifndef ESPHOME_THREAD_SINGLE
-  this->process_defer_queue_(now);
+  // Process defer queue first to guarantee FIFO execution order for deferred items.
+  // Previously, defer() used the heap which gave undefined order for equal timestamps,
+  // causing race conditions on multi-core systems (ESP32, BK7200).
+  // With the defer queue:
+  // - Deferred items (delay=0) go directly to defer_queue_ in set_timer_common_
+  // - Items execute in exact order they were deferred (FIFO guarantee)
+  // - No deferred items exist in to_add_, so processing order doesn't affect correctness
+  // Single-core platforms don't use this queue and fall back to the heap-based approach.
+  //
+  // Note: Items cancelled via cancel_item_locked_() are marked with remove=true but still
+  // processed here. They are skipped during execution by should_skip_item_().
+  // This is intentional - no memory leak occurs.
+  //
+  // We use an index (defer_queue_front_) to track the read position instead of calling
+  // erase() on every pop, which would be O(n). The queue is processed once per loop -
+  // any items added during processing are left for the next loop iteration.
+
+  // Snapshot the queue end point - only process items that existed at loop start
+  // Items added during processing (by callbacks or other threads) run next loop
+  // No lock needed: single consumer (main loop), stale read just means we process less this iteration
+  size_t defer_queue_end = this->defer_queue_.size();
+
+  while (this->defer_queue_front_ < defer_queue_end) {
+    std::unique_ptr<SchedulerItem> item;
+    {
+      LockGuard lock(this->lock_);
+      // SAFETY: Moving out the unique_ptr leaves a nullptr in the vector at defer_queue_front_.
+      // This is intentional and safe because:
+      // 1. The vector is only cleaned up by cleanup_defer_queue_locked_() at the end of this function
+      // 2. Any code iterating defer_queue_ MUST check for nullptr items (see mark_matching_items_removed_
+      //    and has_cancelled_timeout_in_container_ in scheduler.h)
+      // 3. The lock protects concurrent access, but the nullptr remains until cleanup
+      item = std::move(this->defer_queue_[this->defer_queue_front_]);
+      this->defer_queue_front_++;
+    }
+
+    // Execute callback without holding lock to prevent deadlocks
+    // if the callback tries to call defer() again
+    if (!this->should_skip_item_(item.get())) {
+      now = this->execute_item_(item.get(), now);
+    }
+    // Recycle the defer item after execution
+    this->recycle_item_(std::move(item));
+  }
+
+  // If we've consumed all items up to the snapshot point, clean up the dead space
+  // Single consumer (main loop), so no lock needed for this check
+  if (this->defer_queue_front_ >= defer_queue_end) {
+    LockGuard lock(this->lock_);
+    this->cleanup_defer_queue_locked_();
+  }
 #endif /* not ESPHOME_THREAD_SINGLE */
 
   // Convert the fresh timestamp from main loop to 64-bit for scheduler operations
@@ -407,7 +429,30 @@ void HOT Scheduler::call(uint32_t now) {
   // If we still have too many cancelled items, do a full cleanup
   // This only happens if cancelled items are stuck in the middle/bottom of the heap
   if (this->to_remove_ >= MAX_LOGICALLY_DELETED_ITEMS) {
-    this->full_cleanup_removed_items_();
+    // We hold the lock for the entire cleanup operation because:
+    // 1. We're rebuilding the entire items_ list, so we need exclusive access throughout
+    // 2. Other threads must see either the old state or the new state, not intermediate states
+    // 3. The operation is already expensive (O(n)), so lock overhead is negligible
+    // 4. No operations inside can block or take other locks, so no deadlock risk
+    LockGuard guard{this->lock_};
+
+    std::vector<std::unique_ptr<SchedulerItem>> valid_items;
+
+    // Move all non-removed items to valid_items, recycle removed ones
+    for (auto &item : this->items_) {
+      if (!is_item_removed_(item.get())) {
+        valid_items.push_back(std::move(item));
+      } else {
+        // Recycle removed items
+        this->recycle_item_(std::move(item));
+      }
+    }
+
+    // Replace items_ with the filtered list
+    this->items_ = std::move(valid_items);
+    // Rebuild the heap structure since items are no longer in heap order
+    std::make_heap(this->items_.begin(), this->items_.end(), SchedulerItem::cmp);
+    this->to_remove_ = 0;
   }
   while (!this->items_.empty()) {
     // Don't copy-by value yet

esphome/core/scheduler.h

@@ -263,65 +263,7 @@ class Scheduler {
   // Helper to recycle a SchedulerItem
   void recycle_item_(std::unique_ptr<SchedulerItem> item);
 
-  // Helper to perform full cleanup when too many items are cancelled
-  void full_cleanup_removed_items_();
-
 #ifndef ESPHOME_THREAD_SINGLE
-  // Helper to process defer queue - inline for performance in hot path
-  inline void process_defer_queue_(uint32_t &now) {
-    // Process defer queue first to guarantee FIFO execution order for deferred items.
-    // Previously, defer() used the heap which gave undefined order for equal timestamps,
-    // causing race conditions on multi-core systems (ESP32, BK7200).
-    // With the defer queue:
-    // - Deferred items (delay=0) go directly to defer_queue_ in set_timer_common_
-    // - Items execute in exact order they were deferred (FIFO guarantee)
-    // - No deferred items exist in to_add_, so processing order doesn't affect correctness
-    // Single-core platforms don't use this queue and fall back to the heap-based approach.
-    //
-    // Note: Items cancelled via cancel_item_locked_() are marked with remove=true but still
-    // processed here. They are skipped during execution by should_skip_item_().
-    // This is intentional - no memory leak occurs.
-    //
-    // We use an index (defer_queue_front_) to track the read position instead of calling
-    // erase() on every pop, which would be O(n). The queue is processed once per loop -
-    // any items added during processing are left for the next loop iteration.
-
-    // Snapshot the queue end point - only process items that existed at loop start
-    // Items added during processing (by callbacks or other threads) run next loop
-    // No lock needed: single consumer (main loop), stale read just means we process less this iteration
-    size_t defer_queue_end = this->defer_queue_.size();
-
-    while (this->defer_queue_front_ < defer_queue_end) {
-      std::unique_ptr<SchedulerItem> item;
-      {
-        LockGuard lock(this->lock_);
-        // SAFETY: Moving out the unique_ptr leaves a nullptr in the vector at defer_queue_front_.
-        // This is intentional and safe because:
-        // 1. The vector is only cleaned up by cleanup_defer_queue_locked_() at the end of this function
-        // 2. Any code iterating defer_queue_ MUST check for nullptr items (see mark_matching_items_removed_
-        //    and has_cancelled_timeout_in_container_ in scheduler.h)
-        // 3. The lock protects concurrent access, but the nullptr remains until cleanup
-        item = std::move(this->defer_queue_[this->defer_queue_front_]);
-        this->defer_queue_front_++;
-      }
-
-      // Execute callback without holding lock to prevent deadlocks
-      // if the callback tries to call defer() again
-      if (!this->should_skip_item_(item.get())) {
-        now = this->execute_item_(item.get(), now);
-      }
-      // Recycle the defer item after execution
-      this->recycle_item_(std::move(item));
-    }
-
-    // If we've consumed all items up to the snapshot point, clean up the dead space
-    // Single consumer (main loop), so no lock needed for this check
-    if (this->defer_queue_front_ >= defer_queue_end) {
-      LockGuard lock(this->lock_);
-      this->cleanup_defer_queue_locked_();
-    }
-  }
-
   // Helper to cleanup defer_queue_ after processing
   // IMPORTANT: Caller must hold the scheduler lock before calling this function.
   inline void cleanup_defer_queue_locked_() {

esphome/core/template_lambda.h

@@ -1,51 +0,0 @@
-#pragma once
-
-#include "esphome/core/optional.h"
-
-namespace esphome {
-
-/** Lightweight wrapper for template platform lambdas (stateless function pointers only).
- *
- * This optimizes template platforms by storing only a function pointer (4 bytes on ESP32)
- * instead of std::function (16-32 bytes).
- *
- * IMPORTANT: This only supports stateless lambdas (no captures). The set_template() method
- * is an internal API used by YAML codegen, not intended for external use.
- *
- * Lambdas must return optional<T> to support the pattern:
- *   return {};    // Don't publish a value
- *   return 42.0;  // Publish this value
- *
- * operator() returns optional<T>, returning nullopt when no lambda is set (nullptr check).
- *
- * @tparam T The return type (e.g., float for sensor values)
- * @tparam Args Optional arguments for the lambda
- */
-template<typename T, typename... Args> class TemplateLambda {
- public:
-  TemplateLambda() : f_(nullptr) {}
-
-  /** Set the lambda function pointer.
-   * INTERNAL API: Only for use by YAML codegen.
-   * Only stateless lambdas (no captures) are supported.
-   */
-  void set(optional<T> (*f)(Args...)) { this->f_ = f; }
-
-  /** Check if a lambda is set */
-  bool has_value() const { return this->f_ != nullptr; }
-
-  /** Call the lambda, returning nullopt if no lambda is set */
-  optional<T> operator()(Args &&...args) {
-    if (this->f_ == nullptr)
-      return nullopt;
-    return this->f_(std::forward<Args>(args)...);
-  }
-
-  /** Alias for operator() for compatibility */
-  optional<T> call(Args &&...args) { return (*this)(std::forward<Args>(args)...); }
-
- protected:
-  optional<T> (*f_)(Args...);  // Function pointer (4 bytes on ESP32)
-};
-
-}  // namespace esphome