Merge branch 'dev' into light_loop

.github/workflows/codeql.yml

@@ -58,7 +58,7 @@ jobs:
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@014f16e7ab1402f30e7c3329d33797e7948572db # v4.31.3
+        uses: github/codeql-action/init@0499de31b99561a6d14a36a5f662c2a54f91beee # v4.31.2
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
@@ -86,6 +86,6 @@ jobs:
           exit 1
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@014f16e7ab1402f30e7c3329d33797e7948572db # v4.31.3
+        uses: github/codeql-action/analyze@0499de31b99561a6d14a36a5f662c2a54f91beee # v4.31.2
         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: v0.14.5
+    rev: v0.14.4
     hooks:
       # Run the linter.
       - id: ruff

esphome/components/esp32/__init__.py

@@ -381,9 +381,8 @@ PLATFORM_VERSION_LOOKUP = {
 }
 
 
-def _check_versions(config):
-    config = config.copy()
-    value = config[CONF_FRAMEWORK]
+def _check_versions(value):
+    value = value.copy()
 
     if value[CONF_VERSION] in PLATFORM_VERSION_LOOKUP:
         if CONF_SOURCE in value or CONF_PLATFORM_VERSION in value:
@@ -448,7 +447,7 @@ def _check_versions(config):
             "If there are connectivity or build issues please remove the manual version."
         )
 
-    return config
+    return value
 
 
 def _parse_platform_version(value):
@@ -498,8 +497,6 @@ def final_validate(config):
     from esphome.components.psram import DOMAIN as PSRAM_DOMAIN
 
     errs = []
-    conf_fw = config[CONF_FRAMEWORK]
-    advanced = conf_fw[CONF_ADVANCED]
     full_config = fv.full_config.get()
     if pio_options := full_config[CONF_ESPHOME].get(CONF_PLATFORMIO_OPTIONS):
         pio_flash_size_key = "board_upload.flash_size"
@@ -516,14 +513,22 @@ def final_validate(config):
                     f"Please specify {CONF_FLASH_SIZE} within esp32 configuration only"
                 )
             )
-    if config[CONF_VARIANT] != VARIANT_ESP32 and advanced[CONF_IGNORE_EFUSE_MAC_CRC]:
+    if (
+        config[CONF_VARIANT] != VARIANT_ESP32
+        and CONF_ADVANCED in (conf_fw := config[CONF_FRAMEWORK])
+        and CONF_IGNORE_EFUSE_MAC_CRC in conf_fw[CONF_ADVANCED]
+    ):
         errs.append(
             cv.Invalid(
                 f"'{CONF_IGNORE_EFUSE_MAC_CRC}' is not supported on {config[CONF_VARIANT]}",
                 path=[CONF_FRAMEWORK, CONF_ADVANCED, CONF_IGNORE_EFUSE_MAC_CRC],
             )
         )
-    if advanced[CONF_EXECUTE_FROM_PSRAM]:
+    if (
+        config.get(CONF_FRAMEWORK, {})
+        .get(CONF_ADVANCED, {})
+        .get(CONF_EXECUTE_FROM_PSRAM)
+    ):
         if config[CONF_VARIANT] != VARIANT_ESP32S3:
             errs.append(
                 cv.Invalid(
@@ -539,17 +544,6 @@ def final_validate(config):
                 )
             )
 
-    if (
-        config[CONF_FLASH_SIZE] == "32MB"
-        and "ota" in full_config
-        and not advanced[CONF_ENABLE_IDF_EXPERIMENTAL_FEATURES]
-    ):
-        errs.append(
-            cv.Invalid(
-                f"OTA with 32MB flash requires '{CONF_ENABLE_IDF_EXPERIMENTAL_FEATURES}' to be set in the '{CONF_ADVANCED}' section of the esp32 configuration",
-                path=[CONF_FLASH_SIZE],
-            )
-        )
     if errs:
         raise cv.MultipleInvalid(errs)
 
@@ -604,74 +598,89 @@ def _validate_idf_component(config: ConfigType) -> ConfigType:
 
 FRAMEWORK_ESP_IDF = "esp-idf"
 FRAMEWORK_ARDUINO = "arduino"
-FRAMEWORK_SCHEMA = cv.Schema(
-    {
-        cv.Optional(CONF_TYPE): cv.one_of(FRAMEWORK_ESP_IDF, FRAMEWORK_ARDUINO),
-        cv.Optional(CONF_VERSION, default="recommended"): cv.string_strict,
-        cv.Optional(CONF_RELEASE): cv.string_strict,
-        cv.Optional(CONF_SOURCE): cv.string_strict,
-        cv.Optional(CONF_PLATFORM_VERSION): _parse_platform_version,
-        cv.Optional(CONF_SDKCONFIG_OPTIONS, default={}): {
-            cv.string_strict: cv.string_strict
-        },
-        cv.Optional(CONF_LOG_LEVEL, default="ERROR"): cv.one_of(
-            *LOG_LEVELS_IDF, upper=True
-        ),
-        cv.Optional(CONF_ADVANCED, default={}): cv.Schema(
-            {
-                cv.Optional(CONF_ASSERTION_LEVEL): cv.one_of(
-                    *ASSERTION_LEVELS, upper=True
-                ),
-                cv.Optional(CONF_COMPILER_OPTIMIZATION, default="SIZE"): cv.one_of(
-                    *COMPILER_OPTIMIZATIONS, upper=True
-                ),
-                cv.Optional(
-                    CONF_ENABLE_IDF_EXPERIMENTAL_FEATURES, default=False
-                ): cv.boolean,
-                cv.Optional(CONF_ENABLE_LWIP_ASSERT, default=True): cv.boolean,
-                cv.Optional(CONF_IGNORE_EFUSE_CUSTOM_MAC, default=False): cv.boolean,
-                cv.Optional(CONF_IGNORE_EFUSE_MAC_CRC, default=False): cv.boolean,
-                # DHCP server is needed for WiFi AP mode. When WiFi component is used,
-                # it will handle disabling DHCP server when AP is not configured.
-                # Default to false (disabled) when WiFi is not used.
-                cv.OnlyWithout(
-                    CONF_ENABLE_LWIP_DHCP_SERVER, "wifi", default=False
-                ): cv.boolean,
-                cv.Optional(CONF_ENABLE_LWIP_MDNS_QUERIES, default=True): cv.boolean,
-                cv.Optional(
-                    CONF_ENABLE_LWIP_BRIDGE_INTERFACE, default=False
-                ): cv.boolean,
-                cv.Optional(
-                    CONF_ENABLE_LWIP_TCPIP_CORE_LOCKING, default=True
-                ): cv.boolean,
-                cv.Optional(
-                    CONF_ENABLE_LWIP_CHECK_THREAD_SAFETY, default=True
-                ): cv.boolean,
-                cv.Optional(CONF_DISABLE_LIBC_LOCKS_IN_IRAM, default=True): cv.boolean,
-                cv.Optional(CONF_DISABLE_VFS_SUPPORT_TERMIOS, default=True): cv.boolean,
-                cv.Optional(CONF_DISABLE_VFS_SUPPORT_SELECT, default=True): cv.boolean,
-                cv.Optional(CONF_DISABLE_VFS_SUPPORT_DIR, default=True): cv.boolean,
-                cv.Optional(CONF_EXECUTE_FROM_PSRAM, default=False): cv.boolean,
-                cv.Optional(CONF_LOOP_TASK_STACK_SIZE, default=8192): cv.int_range(
-                    min=8192, max=32768
-                ),
-            }
-        ),
-        cv.Optional(CONF_COMPONENTS, default=[]): cv.ensure_list(
-            cv.All(
-                cv.Schema(
-                    {
-                        cv.Required(CONF_NAME): cv.string_strict,
-                        cv.Optional(CONF_SOURCE): cv.git_ref,
-                        cv.Optional(CONF_REF): cv.string,
-                        cv.Optional(CONF_PATH): cv.string,
-                        cv.Optional(CONF_REFRESH): cv.All(cv.string, cv.source_refresh),
-                    }
-                ),
-                _validate_idf_component,
-            )
-        ),
-    }
+FRAMEWORK_SCHEMA = cv.All(
+    cv.Schema(
+        {
+            cv.Optional(CONF_TYPE, default=FRAMEWORK_ARDUINO): cv.one_of(
+                FRAMEWORK_ESP_IDF, FRAMEWORK_ARDUINO
+            ),
+            cv.Optional(CONF_VERSION, default="recommended"): cv.string_strict,
+            cv.Optional(CONF_RELEASE): cv.string_strict,
+            cv.Optional(CONF_SOURCE): cv.string_strict,
+            cv.Optional(CONF_PLATFORM_VERSION): _parse_platform_version,
+            cv.Optional(CONF_SDKCONFIG_OPTIONS, default={}): {
+                cv.string_strict: cv.string_strict
+            },
+            cv.Optional(CONF_LOG_LEVEL, default="ERROR"): cv.one_of(
+                *LOG_LEVELS_IDF, upper=True
+            ),
+            cv.Optional(CONF_ADVANCED, default={}): cv.Schema(
+                {
+                    cv.Optional(CONF_ASSERTION_LEVEL): cv.one_of(
+                        *ASSERTION_LEVELS, upper=True
+                    ),
+                    cv.Optional(CONF_COMPILER_OPTIMIZATION, default="SIZE"): cv.one_of(
+                        *COMPILER_OPTIMIZATIONS, upper=True
+                    ),
+                    cv.Optional(CONF_ENABLE_IDF_EXPERIMENTAL_FEATURES): cv.boolean,
+                    cv.Optional(CONF_ENABLE_LWIP_ASSERT, default=True): cv.boolean,
+                    cv.Optional(
+                        CONF_IGNORE_EFUSE_CUSTOM_MAC, default=False
+                    ): cv.boolean,
+                    cv.Optional(CONF_IGNORE_EFUSE_MAC_CRC): cv.boolean,
+                    # DHCP server is needed for WiFi AP mode. When WiFi component is used,
+                    # it will handle disabling DHCP server when AP is not configured.
+                    # Default to false (disabled) when WiFi is not used.
+                    cv.OnlyWithout(
+                        CONF_ENABLE_LWIP_DHCP_SERVER, "wifi", default=False
+                    ): cv.boolean,
+                    cv.Optional(
+                        CONF_ENABLE_LWIP_MDNS_QUERIES, default=True
+                    ): cv.boolean,
+                    cv.Optional(
+                        CONF_ENABLE_LWIP_BRIDGE_INTERFACE, default=False
+                    ): cv.boolean,
+                    cv.Optional(
+                        CONF_ENABLE_LWIP_TCPIP_CORE_LOCKING, default=True
+                    ): cv.boolean,
+                    cv.Optional(
+                        CONF_ENABLE_LWIP_CHECK_THREAD_SAFETY, default=True
+                    ): cv.boolean,
+                    cv.Optional(
+                        CONF_DISABLE_LIBC_LOCKS_IN_IRAM, default=True
+                    ): cv.boolean,
+                    cv.Optional(
+                        CONF_DISABLE_VFS_SUPPORT_TERMIOS, default=True
+                    ): cv.boolean,
+                    cv.Optional(
+                        CONF_DISABLE_VFS_SUPPORT_SELECT, default=True
+                    ): cv.boolean,
+                    cv.Optional(CONF_DISABLE_VFS_SUPPORT_DIR, default=True): cv.boolean,
+                    cv.Optional(CONF_EXECUTE_FROM_PSRAM): cv.boolean,
+                    cv.Optional(CONF_LOOP_TASK_STACK_SIZE, default=8192): cv.int_range(
+                        min=8192, max=32768
+                    ),
+                }
+            ),
+            cv.Optional(CONF_COMPONENTS, default=[]): cv.ensure_list(
+                cv.All(
+                    cv.Schema(
+                        {
+                            cv.Required(CONF_NAME): cv.string_strict,
+                            cv.Optional(CONF_SOURCE): cv.git_ref,
+                            cv.Optional(CONF_REF): cv.string,
+                            cv.Optional(CONF_PATH): cv.string,
+                            cv.Optional(CONF_REFRESH): cv.All(
+                                cv.string, cv.source_refresh
+                            ),
+                        }
+                    ),
+                    _validate_idf_component,
+                )
+            ),
+        }
+    ),
+    _check_versions,
 )
 
 
@@ -734,11 +743,11 @@ def _show_framework_migration_message(name: str, variant: str) -> None:
 
 
 def _set_default_framework(config):
-    config = config.copy()
     if CONF_FRAMEWORK not in config:
-        config[CONF_FRAMEWORK] = FRAMEWORK_SCHEMA({})
-    if CONF_TYPE not in config[CONF_FRAMEWORK]:
+        config = config.copy()
+
         variant = config[CONF_VARIANT]
+        config[CONF_FRAMEWORK] = FRAMEWORK_SCHEMA({})
         if variant in ARDUINO_ALLOWED_VARIANTS:
             config[CONF_FRAMEWORK][CONF_TYPE] = FRAMEWORK_ARDUINO
             _show_framework_migration_message(
@@ -778,7 +787,6 @@ CONFIG_SCHEMA = cv.All(
     ),
     _detect_variant,
     _set_default_framework,
-    _check_versions,
     set_core_data,
     cv.has_at_least_one_key(CONF_BOARD, CONF_VARIANT),
 )
@@ -797,7 +805,9 @@ def _configure_lwip_max_sockets(conf: dict) -> None:
     from esphome.components.socket import KEY_SOCKET_CONSUMERS
 
     # Check if user manually specified CONFIG_LWIP_MAX_SOCKETS
-    user_max_sockets = conf[CONF_SDKCONFIG_OPTIONS].get("CONFIG_LWIP_MAX_SOCKETS")
+    user_max_sockets = conf.get(CONF_SDKCONFIG_OPTIONS, {}).get(
+        "CONFIG_LWIP_MAX_SOCKETS"
+    )
 
     socket_consumers: dict[str, int] = CORE.data.get(KEY_SOCKET_CONSUMERS, {})
     total_sockets = sum(socket_consumers.values())
@@ -967,18 +977,23 @@ async def to_code(config):
     # WiFi component handles its own optimization when AP mode is not used
     # When using Arduino with Ethernet, DHCP server functions must be available
     # for the Network library to compile, even if not actively used
-    if advanced.get(CONF_ENABLE_LWIP_DHCP_SERVER) is False and not (
-        conf[CONF_TYPE] == FRAMEWORK_ARDUINO and "ethernet" in CORE.loaded_integrations
+    if (
+        CONF_ENABLE_LWIP_DHCP_SERVER in advanced
+        and not advanced[CONF_ENABLE_LWIP_DHCP_SERVER]
+        and not (
+            conf[CONF_TYPE] == FRAMEWORK_ARDUINO
+            and "ethernet" in CORE.loaded_integrations
+        )
     ):
         add_idf_sdkconfig_option("CONFIG_LWIP_DHCPS", False)
-    if not advanced[CONF_ENABLE_LWIP_MDNS_QUERIES]:
+    if not advanced.get(CONF_ENABLE_LWIP_MDNS_QUERIES, True):
         add_idf_sdkconfig_option("CONFIG_LWIP_DNS_SUPPORT_MDNS_QUERIES", False)
-    if not advanced[CONF_ENABLE_LWIP_BRIDGE_INTERFACE]:
+    if not advanced.get(CONF_ENABLE_LWIP_BRIDGE_INTERFACE, False):
         add_idf_sdkconfig_option("CONFIG_LWIP_BRIDGEIF_MAX_PORTS", 0)
 
     _configure_lwip_max_sockets(conf)
 
-    if advanced[CONF_EXECUTE_FROM_PSRAM]:
+    if advanced.get(CONF_EXECUTE_FROM_PSRAM, False):
         add_idf_sdkconfig_option("CONFIG_SPIRAM_FETCH_INSTRUCTIONS", True)
         add_idf_sdkconfig_option("CONFIG_SPIRAM_RODATA", True)
 
@@ -989,22 +1004,23 @@ async def to_code(config):
     # - select() on 4 sockets: ~190μs (Arduino/core locking) vs ~235μs (ESP-IDF default)
     # - Up to 200% slower under load when all operations queue through tcpip_thread
     # Enabling this makes ESP-IDF socket performance match Arduino framework.
-    if advanced[CONF_ENABLE_LWIP_TCPIP_CORE_LOCKING]:
+    if advanced.get(CONF_ENABLE_LWIP_TCPIP_CORE_LOCKING, True):
         add_idf_sdkconfig_option("CONFIG_LWIP_TCPIP_CORE_LOCKING", True)
-    if advanced[CONF_ENABLE_LWIP_CHECK_THREAD_SAFETY]:
+    if advanced.get(CONF_ENABLE_LWIP_CHECK_THREAD_SAFETY, True):
         add_idf_sdkconfig_option("CONFIG_LWIP_CHECK_THREAD_SAFETY", True)
 
     # Disable placing libc locks in IRAM to save RAM
     # This is safe for ESPHome since no IRAM ISRs (interrupts that run while cache is disabled)
     # use libc lock APIs. Saves approximately 1.3KB (1,356 bytes) of IRAM.
-    if advanced[CONF_DISABLE_LIBC_LOCKS_IN_IRAM]:
+    if advanced.get(CONF_DISABLE_LIBC_LOCKS_IN_IRAM, True):
         add_idf_sdkconfig_option("CONFIG_LIBC_LOCKS_PLACE_IN_IRAM", False)
 
     # Disable VFS support for termios (terminal I/O functions)
     # ESPHome doesn't use termios functions on ESP32 (only used in host UART driver).
     # Saves approximately 1.8KB of flash when disabled (default).
     add_idf_sdkconfig_option(
-        "CONFIG_VFS_SUPPORT_TERMIOS", not advanced[CONF_DISABLE_VFS_SUPPORT_TERMIOS]
+        "CONFIG_VFS_SUPPORT_TERMIOS",
+        not advanced.get(CONF_DISABLE_VFS_SUPPORT_TERMIOS, True),
     )
 
     # Disable VFS support for select() with file descriptors
@@ -1018,7 +1034,8 @@ async def to_code(config):
     else:
         # No component needs it - allow user to control (default: disabled)
         add_idf_sdkconfig_option(
-            "CONFIG_VFS_SUPPORT_SELECT", not advanced[CONF_DISABLE_VFS_SUPPORT_SELECT]
+            "CONFIG_VFS_SUPPORT_SELECT",
+            not advanced.get(CONF_DISABLE_VFS_SUPPORT_SELECT, True),
         )
 
     # Disable VFS support for directory functions (opendir, readdir, mkdir, etc.)
@@ -1031,7 +1048,8 @@ async def to_code(config):
     else:
         # No component needs it - allow user to control (default: disabled)
         add_idf_sdkconfig_option(
-            "CONFIG_VFS_SUPPORT_DIR", not advanced[CONF_DISABLE_VFS_SUPPORT_DIR]
+            "CONFIG_VFS_SUPPORT_DIR",
+            not advanced.get(CONF_DISABLE_VFS_SUPPORT_DIR, True),
         )
 
     cg.add_platformio_option("board_build.partitions", "partitions.csv")
@@ -1045,7 +1063,7 @@ async def to_code(config):
             add_idf_sdkconfig_option(flag, assertion_level == key)
 
     add_idf_sdkconfig_option("CONFIG_COMPILER_OPTIMIZATION_DEFAULT", False)
-    compiler_optimization = advanced[CONF_COMPILER_OPTIMIZATION]
+    compiler_optimization = advanced.get(CONF_COMPILER_OPTIMIZATION)
     for key, flag in COMPILER_OPTIMIZATIONS.items():
         add_idf_sdkconfig_option(flag, compiler_optimization == key)
 
@@ -1054,20 +1072,18 @@ async def to_code(config):
         conf[CONF_ADVANCED][CONF_ENABLE_LWIP_ASSERT],
     )
 
-    if advanced[CONF_IGNORE_EFUSE_MAC_CRC]:
+    if advanced.get(CONF_IGNORE_EFUSE_MAC_CRC):
         add_idf_sdkconfig_option("CONFIG_ESP_MAC_IGNORE_MAC_CRC_ERROR", True)
         add_idf_sdkconfig_option("CONFIG_ESP_PHY_CALIBRATION_AND_DATA_STORAGE", False)
-    if advanced[CONF_ENABLE_IDF_EXPERIMENTAL_FEATURES]:
+    if advanced.get(CONF_ENABLE_IDF_EXPERIMENTAL_FEATURES):
         _LOGGER.warning(
             "Using experimental features in ESP-IDF may result in unexpected failures."
         )
         add_idf_sdkconfig_option("CONFIG_IDF_EXPERIMENTAL_FEATURES", True)
-        if config[CONF_FLASH_SIZE] == "32MB":
-            add_idf_sdkconfig_option(
-                "CONFIG_BOOTLOADER_CACHE_32BIT_ADDR_QUAD_FLASH", True
-            )
 
-    cg.add_define("ESPHOME_LOOP_TASK_STACK_SIZE", advanced[CONF_LOOP_TASK_STACK_SIZE])
+    cg.add_define(
+        "ESPHOME_LOOP_TASK_STACK_SIZE", advanced.get(CONF_LOOP_TASK_STACK_SIZE)
+    )
 
     cg.add_define(
         "USE_ESP_IDF_VERSION_CODE",

esphome/components/light/light_call.cpp

@@ -52,10 +52,8 @@ static void log_invalid_parameter(const char *name, const LogString *message) {
   }
 
 static const LogString *color_mode_to_human(ColorMode color_mode) {
-  if (color_mode == ColorMode::ON_OFF)
-    return LOG_STR("On/Off");
-  if (color_mode == ColorMode::BRIGHTNESS)
-    return LOG_STR("Brightness");
+  if (color_mode == ColorMode::UNKNOWN)
+    return LOG_STR("Unknown");
   if (color_mode == ColorMode::WHITE)
     return LOG_STR("White");
   if (color_mode == ColorMode::COLOR_TEMPERATURE)
@@ -70,7 +68,7 @@ static const LogString *color_mode_to_human(ColorMode color_mode) {
     return LOG_STR("RGB + cold/warm white");
   if (color_mode == ColorMode::RGB_COLOR_TEMPERATURE)
     return LOG_STR("RGB + color temperature");
-  return LOG_STR("Unknown");
+  return LOG_STR("");
 }
 
 // Helper to log percentage values

esphome/components/light/light_state.cpp

@@ -24,6 +24,9 @@ void LightState::setup() {
     effect->init_internal(this);
   }
 
+  // Start with loop disabled if idle - respects any effects/transitions set up during initialization
+  this->disable_loop_if_idle_();
+
   // When supported color temperature range is known, initialize color temperature setting within bounds.
   auto traits = this->get_traits();
   float min_mireds = traits.get_min_mireds();
@@ -126,6 +129,9 @@ void LightState::loop() {
       this->is_transformer_active_ = false;
       this->transformer_ = nullptr;
       this->target_state_reached_callback_.call();
+
+      // Disable loop if idle (no transformer and no effect)
+      this->disable_loop_if_idle_();
     }
   }
 
@@ -133,6 +139,8 @@ void LightState::loop() {
   if (this->next_write_) {
     this->next_write_ = false;
     this->output_->write_state(this);
+    // Disable loop if idle (no transformer and no effect)
+    this->disable_loop_if_idle_();
   }
 }
 
@@ -228,6 +236,8 @@ void LightState::start_effect_(uint32_t effect_index) {
   this->active_effect_index_ = effect_index;
   auto *effect = this->get_active_effect_();
   effect->start_internal();
+  // Enable loop while effect is active
+  this->enable_loop();
 }
 LightEffect *LightState::get_active_effect_() {
   if (this->active_effect_index_ == 0) {
@@ -242,6 +252,8 @@ void LightState::stop_effect_() {
     effect->stop();
   }
   this->active_effect_index_ = 0;
+  // Disable loop if idle (no effect and no transformer)
+  this->disable_loop_if_idle_();
 }
 
 void LightState::start_transition_(const LightColorValues &target, uint32_t length, bool set_remote_values) {
@@ -251,6 +263,8 @@ void LightState::start_transition_(const LightColorValues &target, uint32_t leng
   if (set_remote_values) {
     this->remote_values = target;
   }
+  // Enable loop while transition is active
+  this->enable_loop();
 }
 
 void LightState::start_flash_(const LightColorValues &target, uint32_t length, bool set_remote_values) {
@@ -266,6 +280,8 @@ void LightState::start_flash_(const LightColorValues &target, uint32_t length, b
   if (set_remote_values) {
     this->remote_values = target;
   };
+  // Enable loop while flash is active
+  this->enable_loop();
 }
 
 void LightState::set_immediately_(const LightColorValues &target, bool set_remote_values) {
@@ -277,6 +293,14 @@ void LightState::set_immediately_(const LightColorValues &target, bool set_remot
   }
   this->output_->update_state(this);
   this->next_write_ = true;
+  this->enable_loop();
+}
+
+void LightState::disable_loop_if_idle_() {
+  // Only disable loop if both transformer and effect are inactive, and no pending writes
+  if (this->transformer_ == nullptr && this->get_active_effect_() == nullptr && !this->next_write_) {
+    this->disable_loop();
+  }
 }
 
 void LightState::save_remote_values_() {

esphome/components/light/light_state.h

@@ -256,6 +256,9 @@ class LightState : public EntityBase, public Component {
   /// Internal method to save the current remote_values to the preferences
   void save_remote_values_();
 
+  /// Disable loop if neither transformer nor effect is active
+  void disable_loop_if_idle_();
+
   /// Store the output to allow effects to have more access.
   LightOutput *output_;
   /// The currently active transformer for this light (transition/flash).

esphome/components/uart/__init__.py

@@ -1,4 +1,3 @@
-from logging import getLogger
 import math
 import re
 
@@ -36,8 +35,6 @@ from esphome.core import CORE, ID
 import esphome.final_validate as fv
 from esphome.yaml_util import make_data_base
 
-_LOGGER = getLogger(__name__)
-
 CODEOWNERS = ["@esphome/core"]
 uart_ns = cg.esphome_ns.namespace("uart")
 UARTComponent = uart_ns.class_("UARTComponent")
@@ -133,21 +130,6 @@ def validate_host_config(config):
     return config
 
 
-def validate_rx_buffer_size(config):
-    if CORE.is_esp32:
-        # ESP32 UART hardware FIFO is 128 bytes (LP UART is 16 bytes, but we use 128 as safe minimum)
-        # rx_buffer_size must be greater than the hardware FIFO length
-        min_buffer_size = 128
-        if config[CONF_RX_BUFFER_SIZE] <= min_buffer_size:
-            _LOGGER.warning(
-                "UART rx_buffer_size (%d bytes) is too small and must be greater than the hardware "
-                "FIFO size (%d bytes). The buffer size will be automatically adjusted at runtime.",
-                config[CONF_RX_BUFFER_SIZE],
-                min_buffer_size,
-            )
-    return config
-
-
 def _uart_declare_type(value):
     if CORE.is_esp8266:
         return cv.declare_id(ESP8266UartComponent)(value)
@@ -265,7 +247,6 @@ CONFIG_SCHEMA = cv.All(
     ).extend(cv.COMPONENT_SCHEMA),
     cv.has_at_least_one_key(CONF_TX_PIN, CONF_RX_PIN, CONF_PORT),
     validate_host_config,
-    validate_rx_buffer_size,
 )
 
 

esphome/components/uart/uart_component_esp_idf.cpp

@@ -91,16 +91,6 @@ void IDFUARTComponent::setup() {
   this->uart_num_ = static_cast<uart_port_t>(next_uart_num++);
   this->lock_ = xSemaphoreCreateMutex();
 
-#if (SOC_UART_LP_NUM >= 1)
-  size_t fifo_len = ((this->uart_num_ < SOC_UART_HP_NUM) ? SOC_UART_FIFO_LEN : SOC_LP_UART_FIFO_LEN);
-#else
-  size_t fifo_len = SOC_UART_FIFO_LEN;
-#endif
-  if (this->rx_buffer_size_ <= fifo_len) {
-    ESP_LOGW(TAG, "rx_buffer_size is too small, must be greater than %zu", fifo_len);
-    this->rx_buffer_size_ = fifo_len * 2;
-  }
-
   xSemaphoreTake(this->lock_, portMAX_DELAY);
 
   this->load_settings(false);
@@ -247,12 +237,8 @@ void IDFUARTComponent::set_rx_timeout(size_t rx_timeout) {
 
 void IDFUARTComponent::write_array(const uint8_t *data, size_t len) {
   xSemaphoreTake(this->lock_, portMAX_DELAY);
-  int32_t write_len = uart_write_bytes(this->uart_num_, data, len);
+  uart_write_bytes(this->uart_num_, data, len);
   xSemaphoreGive(this->lock_);
-  if (write_len != (int32_t) len) {
-    ESP_LOGW(TAG, "uart_write_bytes failed: %d != %zu", write_len, len);
-    this->mark_failed();
-  }
 #ifdef USE_UART_DEBUGGER
   for (size_t i = 0; i < len; i++) {
     this->debug_callback_.call(UART_DIRECTION_TX, data[i]);
@@ -281,7 +267,6 @@ bool IDFUARTComponent::peek_byte(uint8_t *data) {
 
 bool IDFUARTComponent::read_array(uint8_t *data, size_t len) {
   size_t length_to_read = len;
-  int32_t read_len = 0;
   if (!this->check_read_timeout_(len))
     return false;
   xSemaphoreTake(this->lock_, portMAX_DELAY);
@@ -292,31 +277,25 @@ bool IDFUARTComponent::read_array(uint8_t *data, size_t len) {
     this->has_peek_ = false;
   }
   if (length_to_read > 0)
-    read_len = uart_read_bytes(this->uart_num_, data, length_to_read, 20 / portTICK_PERIOD_MS);
+    uart_read_bytes(this->uart_num_, data, length_to_read, 20 / portTICK_PERIOD_MS);
   xSemaphoreGive(this->lock_);
 #ifdef USE_UART_DEBUGGER
   for (size_t i = 0; i < len; i++) {
     this->debug_callback_.call(UART_DIRECTION_RX, data[i]);
   }
 #endif
-  return read_len == (int32_t) length_to_read;
+  return true;
 }
 
 int IDFUARTComponent::available() {
-  size_t available = 0;
-  esp_err_t err;
+  size_t available;
 
   xSemaphoreTake(this->lock_, portMAX_DELAY);
-  err = uart_get_buffered_data_len(this->uart_num_, &available);
+  uart_get_buffered_data_len(this->uart_num_, &available);
+  if (this->has_peek_)
+    available++;
   xSemaphoreGive(this->lock_);
 
-  if (err != ESP_OK) {
-    ESP_LOGW(TAG, "uart_get_buffered_data_len failed: %s", esp_err_to_name(err));
-    this->mark_failed();
-  }
-  if (this->has_peek_) {
-    available++;
-  }
   return available;
 }
 

esphome/components/wifi/__init__.py

@@ -12,6 +12,7 @@ from esphome.components.network import (
 from esphome.components.psram import is_guaranteed as psram_is_guaranteed
 from esphome.config_helpers import filter_source_files_from_platform
 import esphome.config_validation as cv
+from esphome.config_validation import only_with_esp_idf
 from esphome.const import (
     CONF_AP,
     CONF_BSSID,
@@ -351,7 +352,7 @@ CONFIG_SCHEMA = cv.All(
                 single=True
             ),
             cv.Optional(CONF_USE_PSRAM): cv.All(
-                cv.only_on_esp32, cv.requires_component("psram"), cv.boolean
+                only_with_esp_idf, cv.requires_component("psram"), cv.boolean
             ),
         }
     ),

esphome/core/base_automation.h

@@ -178,6 +178,7 @@ template<typename... Ts> class DelayAction : public Action<Ts...>, public Compon
   TEMPLATABLE_VALUE(uint32_t, delay)
 
   void play_complex(const Ts &...x) override {
+    auto f = std::bind(&DelayAction<Ts...>::play_next_, this, x...);
     this->num_running_++;
 
     // If num_running_ > 1, we have multiple instances running in parallel
@@ -186,22 +187,9 @@ template<typename... Ts> class DelayAction : public Action<Ts...>, public Compon
     // WARNING: This can accumulate delays if scripts are triggered faster than they complete!
     // Users should set max_runs on parallel scripts to limit concurrent executions.
     // Issue #10264: This is a workaround for parallel script delays interfering with each other.
-
-    // Optimization: For no-argument delays (most common case), use direct lambda
-    // instead of std::bind to avoid bind overhead (~16 bytes heap + faster execution)
-    if constexpr (sizeof...(Ts) == 0) {
-      App.scheduler.set_timer_common_(
-          this, Scheduler::SchedulerItem::TIMEOUT,
-          /* is_static_string= */ true, "delay", this->delay_.value(), [this]() { this->play_next_(); },
-          /* is_retry= */ false, /* skip_cancel= */ this->num_running_ > 1);
-    } else {
-      // For delays with arguments, use std::bind to preserve argument values
-      // Arguments must be copied because original references may be invalid after delay
-      auto f = std::bind(&DelayAction<Ts...>::play_next_, this, x...);
-      App.scheduler.set_timer_common_(this, Scheduler::SchedulerItem::TIMEOUT,
-                                      /* is_static_string= */ true, "delay", this->delay_.value(x...), std::move(f),
-                                      /* is_retry= */ false, /* skip_cancel= */ this->num_running_ > 1);
-    }
+    App.scheduler.set_timer_common_(this, Scheduler::SchedulerItem::TIMEOUT,
+                                    /* is_static_string= */ true, "delay", this->delay_.value(x...), std::move(f),
+                                    /* is_retry= */ false, /* skip_cancel= */ this->num_running_ > 1);
   }
   float get_setup_priority() const override { return setup_priority::HARDWARE; }
 

requirements_test.txt

@@ -1,6 +1,6 @@
-pylint==4.0.3
+pylint==4.0.2
 flake8==7.3.0  # also change in .pre-commit-config.yaml when updating
-ruff==0.14.5  # also change in .pre-commit-config.yaml when updating
+ruff==0.14.4  # also change in .pre-commit-config.yaml when updating
 pyupgrade==3.21.1  # also change in .pre-commit-config.yaml when updating
 pre-commit
 

tests/components/esp32/test.esp32-p4-idf.yaml

@@ -1,27 +0,0 @@
-esp32:
-  variant: esp32p4
-  flash_size: 32MB
-  cpu_frequency: 400MHz
-  framework:
-    type: esp-idf
-    advanced:
-      enable_idf_experimental_features: yes
-
-ota:
-  platform: esphome
-
-wifi:
-  ssid: MySSID
-  password: password1
-
-esp32_hosted:
-  variant: ESP32C6
-  slot: 1
-  active_high: true
-  reset_pin: GPIO15
-  cmd_pin: GPIO13
-  clk_pin: GPIO12
-  d0_pin: GPIO11
-  d1_pin: GPIO10
-  d2_pin: GPIO9
-  d3_pin: GPIO8