[tests] Fix millis() ambiguity in component tests with gps component

esphome/automation.py

@@ -16,12 +16,7 @@ from esphome.const import (
     CONF_UPDATE_INTERVAL,
 )
 from esphome.core import ID
-from esphome.cpp_generator import (
-    LambdaExpression,
-    MockObj,
-    MockObjClass,
-    TemplateArgsType,
-)
+from esphome.cpp_generator import MockObj, MockObjClass, TemplateArgsType
 from esphome.schema_extractors import SCHEMA_EXTRACT, schema_extractor
 from esphome.types import ConfigType
 from esphome.util import Registry
@@ -92,7 +87,6 @@ def validate_potentially_or_condition(value):
 
 DelayAction = cg.esphome_ns.class_("DelayAction", Action, cg.Component)
 LambdaAction = cg.esphome_ns.class_("LambdaAction", Action)
-StatelessLambdaAction = cg.esphome_ns.class_("StatelessLambdaAction", Action)
 IfAction = cg.esphome_ns.class_("IfAction", Action)
 WhileAction = cg.esphome_ns.class_("WhileAction", Action)
 RepeatAction = cg.esphome_ns.class_("RepeatAction", Action)
@@ -103,40 +97,9 @@ ResumeComponentAction = cg.esphome_ns.class_("ResumeComponentAction", Action)
 Automation = cg.esphome_ns.class_("Automation")
 
 LambdaCondition = cg.esphome_ns.class_("LambdaCondition", Condition)
-StatelessLambdaCondition = cg.esphome_ns.class_("StatelessLambdaCondition", Condition)
 ForCondition = cg.esphome_ns.class_("ForCondition", Condition, cg.Component)
 
 
-def new_lambda_pvariable(
-    id_obj: ID,
-    lambda_expr: LambdaExpression,
-    stateless_class: MockObjClass,
-    template_arg: cg.TemplateArguments | None = None,
-) -> MockObj:
-    """Create Pvariable for lambda, using stateless class if applicable.
-
-    Combines ID selection and Pvariable creation in one call. For stateless
-    lambdas (empty capture), uses function pointer instead of std::function.
-
-    Args:
-        id_obj: The ID object (action_id, condition_id, or filter_id)
-        lambda_expr: The lambda expression object
-        stateless_class: The stateless class to use for stateless lambdas
-        template_arg: Optional template arguments (for actions/conditions)
-
-    Returns:
-        The created Pvariable
-    """
-    # For stateless lambdas, use function pointer instead of std::function
-    if lambda_expr.capture == "":
-        id_obj = id_obj.copy()
-        id_obj.type = stateless_class
-
-    if template_arg is not None:
-        return cg.new_Pvariable(id_obj, template_arg, lambda_expr)
-    return cg.new_Pvariable(id_obj, lambda_expr)
-
-
 def validate_automation(extra_schema=None, extra_validators=None, single=False):
     if extra_schema is None:
         extra_schema = {}
@@ -277,9 +240,7 @@ async def lambda_condition_to_code(
     args: TemplateArgsType,
 ) -> MockObj:
     lambda_ = await cg.process_lambda(config, args, return_type=bool)
-    return new_lambda_pvariable(
-        condition_id, lambda_, StatelessLambdaCondition, template_arg
-    )
+    return cg.new_Pvariable(condition_id, template_arg, lambda_)
 
 
 @register_condition(
@@ -445,7 +406,7 @@ async def lambda_action_to_code(
     args: TemplateArgsType,
 ) -> MockObj:
     lambda_ = await cg.process_lambda(config, args, return_type=cg.void)
-    return new_lambda_pvariable(action_id, lambda_, StatelessLambdaAction, template_arg)
+    return cg.new_Pvariable(action_id, template_arg, lambda_)
 
 
 @register_action(

esphome/codegen.py

@@ -62,7 +62,6 @@ from esphome.cpp_types import (  # noqa: F401
     EntityBase,
     EntityCategory,
     ESPTime,
-    FixedVector,
     GPIOPin,
     InternalGPIOPin,
     JsonObject,

esphome/components/api/__init__.py

@@ -71,12 +71,10 @@ SERVICE_ARG_NATIVE_TYPES = {
     "int": cg.int32,
     "float": float,
     "string": cg.std_string,
-    "bool[]": cg.FixedVector.template(bool).operator("const").operator("ref"),
-    "int[]": cg.FixedVector.template(cg.int32).operator("const").operator("ref"),
-    "float[]": cg.FixedVector.template(float).operator("const").operator("ref"),
-    "string[]": cg.FixedVector.template(cg.std_string)
-    .operator("const")
-    .operator("ref"),
+    "bool[]": cg.std_vector.template(bool),
+    "int[]": cg.std_vector.template(cg.int32),
+    "float[]": cg.std_vector.template(float),
+    "string[]": cg.std_vector.template(cg.std_string),
 }
 CONF_ENCRYPTION = "encryption"
 CONF_BATCH_DELAY = "batch_delay"
@@ -260,10 +258,6 @@ async def to_code(config):
     if config.get(CONF_ACTIONS) or config[CONF_CUSTOM_SERVICES]:
         cg.add_define("USE_API_SERVICES")
 
-    # Set USE_API_CUSTOM_SERVICES if external components need dynamic service registration
-    if config[CONF_CUSTOM_SERVICES]:
-        cg.add_define("USE_API_CUSTOM_SERVICES")
-
     if config[CONF_HOMEASSISTANT_SERVICES]:
         cg.add_define("USE_API_HOMEASSISTANT_SERVICES")
 
@@ -271,8 +265,6 @@ async def to_code(config):
         cg.add_define("USE_API_HOMEASSISTANT_STATES")
 
     if actions := config.get(CONF_ACTIONS, []):
-        # Collect all triggers first, then register all at once with initializer_list
-        triggers: list[cg.Pvariable] = []
         for conf in actions:
             template_args = []
             func_args = []
@@ -286,10 +278,8 @@ async def to_code(config):
             trigger = cg.new_Pvariable(
                 conf[CONF_TRIGGER_ID], templ, conf[CONF_ACTION], service_arg_names
             )
-            triggers.append(trigger)
+            cg.add(var.register_user_service(trigger))
             await automation.build_automation(trigger, func_args, conf)
-        # Register all services at once - single allocation, no reallocations
-        cg.add(var.initialize_user_services(triggers))
 
     if CONF_ON_CLIENT_CONNECTED in config:
         cg.add_define("USE_API_CLIENT_CONNECTED_TRIGGER")

esphome/components/api/api_server.h

@@ -125,14 +125,8 @@ class APIServer : public Component, public Controller {
 #endif  // USE_API_HOMEASSISTANT_ACTION_RESPONSES
 #endif  // USE_API_HOMEASSISTANT_SERVICES
 #ifdef USE_API_SERVICES
-  void initialize_user_services(std::initializer_list<UserServiceDescriptor *> services) {
-    this->user_services_.assign(services);
-  }
-#ifdef USE_API_CUSTOM_SERVICES
-  // Only compile push_back method when custom_services: true (external components)
   void register_user_service(UserServiceDescriptor *descriptor) { this->user_services_.push_back(descriptor); }
 #endif
-#endif
 #ifdef USE_HOMEASSISTANT_TIME
   void request_time();
 #endif

esphome/components/api/custom_api_device.h

@@ -53,14 +53,8 @@ class CustomAPIDevice {
   template<typename T, typename... Ts>
   void register_service(void (T::*callback)(Ts...), const std::string &name,
                         const std::array<std::string, sizeof...(Ts)> &arg_names) {
-#ifdef USE_API_CUSTOM_SERVICES
     auto *service = new CustomAPIDeviceService<T, Ts...>(name, arg_names, (T *) this, callback);  // NOLINT
     global_api_server->register_user_service(service);
-#else
-    static_assert(
-        sizeof(T) == 0,
-        "register_service() requires 'custom_services: true' in the 'api:' section of your YAML configuration");
-#endif
   }
 #else
   template<typename T, typename... Ts>
@@ -92,14 +86,8 @@ class CustomAPIDevice {
    */
 #ifdef USE_API_SERVICES
   template<typename T> void register_service(void (T::*callback)(), const std::string &name) {
-#ifdef USE_API_CUSTOM_SERVICES
     auto *service = new CustomAPIDeviceService<T>(name, {}, (T *) this, callback);  // NOLINT
     global_api_server->register_user_service(service);
-#else
-    static_assert(
-        sizeof(T) == 0,
-        "register_service() requires 'custom_services: true' in the 'api:' section of your YAML configuration");
-#endif
   }
 #else
   template<typename T> void register_service(void (T::*callback)(), const std::string &name) {

esphome/components/api/user_services.cpp

@@ -11,58 +11,23 @@ template<> int32_t get_execute_arg_value<int32_t>(const ExecuteServiceArgument &
 }
 template<> float get_execute_arg_value<float>(const ExecuteServiceArgument &arg) { return arg.float_; }
 template<> std::string get_execute_arg_value<std::string>(const ExecuteServiceArgument &arg) { return arg.string_; }
-
-// Legacy std::vector versions for external components using custom_api_device.h - optimized with reserve
 template<> std::vector<bool> get_execute_arg_value<std::vector<bool>>(const ExecuteServiceArgument &arg) {
-  std::vector<bool> result;
-  result.reserve(arg.bool_array.size());
-  result.insert(result.end(), arg.bool_array.begin(), arg.bool_array.end());
-  return result;
+  return std::vector<bool>(arg.bool_array.begin(), arg.bool_array.end());
 }
 template<> std::vector<int32_t> get_execute_arg_value<std::vector<int32_t>>(const ExecuteServiceArgument &arg) {
-  std::vector<int32_t> result;
-  result.reserve(arg.int_array.size());
-  result.insert(result.end(), arg.int_array.begin(), arg.int_array.end());
-  return result;
+  return std::vector<int32_t>(arg.int_array.begin(), arg.int_array.end());
 }
 template<> std::vector<float> get_execute_arg_value<std::vector<float>>(const ExecuteServiceArgument &arg) {
-  std::vector<float> result;
-  result.reserve(arg.float_array.size());
-  result.insert(result.end(), arg.float_array.begin(), arg.float_array.end());
-  return result;
+  return std::vector<float>(arg.float_array.begin(), arg.float_array.end());
 }
 template<> std::vector<std::string> get_execute_arg_value<std::vector<std::string>>(const ExecuteServiceArgument &arg) {
-  std::vector<std::string> result;
-  result.reserve(arg.string_array.size());
-  result.insert(result.end(), arg.string_array.begin(), arg.string_array.end());
-  return result;
-}
-
-// New FixedVector const reference versions for YAML-generated services - zero-copy
-template<>
-const FixedVector<bool> &get_execute_arg_value<const FixedVector<bool> &>(const ExecuteServiceArgument &arg) {
-  return arg.bool_array;
-}
-template<>
-const FixedVector<int32_t> &get_execute_arg_value<const FixedVector<int32_t> &>(const ExecuteServiceArgument &arg) {
-  return arg.int_array;
-}
-template<>
-const FixedVector<float> &get_execute_arg_value<const FixedVector<float> &>(const ExecuteServiceArgument &arg) {
-  return arg.float_array;
-}
-template<>
-const FixedVector<std::string> &get_execute_arg_value<const FixedVector<std::string> &>(
-    const ExecuteServiceArgument &arg) {
-  return arg.string_array;
+  return std::vector<std::string>(arg.string_array.begin(), arg.string_array.end());
 }
 
 template<> enums::ServiceArgType to_service_arg_type<bool>() { return enums::SERVICE_ARG_TYPE_BOOL; }
 template<> enums::ServiceArgType to_service_arg_type<int32_t>() { return enums::SERVICE_ARG_TYPE_INT; }
 template<> enums::ServiceArgType to_service_arg_type<float>() { return enums::SERVICE_ARG_TYPE_FLOAT; }
 template<> enums::ServiceArgType to_service_arg_type<std::string>() { return enums::SERVICE_ARG_TYPE_STRING; }
-
-// Legacy std::vector versions for external components using custom_api_device.h
 template<> enums::ServiceArgType to_service_arg_type<std::vector<bool>>() { return enums::SERVICE_ARG_TYPE_BOOL_ARRAY; }
 template<> enums::ServiceArgType to_service_arg_type<std::vector<int32_t>>() {
   return enums::SERVICE_ARG_TYPE_INT_ARRAY;
@@ -74,18 +39,4 @@ template<> enums::ServiceArgType to_service_arg_type<std::vector<std::string>>()
   return enums::SERVICE_ARG_TYPE_STRING_ARRAY;
 }
 
-// New FixedVector const reference versions for YAML-generated services
-template<> enums::ServiceArgType to_service_arg_type<const FixedVector<bool> &>() {
-  return enums::SERVICE_ARG_TYPE_BOOL_ARRAY;
-}
-template<> enums::ServiceArgType to_service_arg_type<const FixedVector<int32_t> &>() {
-  return enums::SERVICE_ARG_TYPE_INT_ARRAY;
-}
-template<> enums::ServiceArgType to_service_arg_type<const FixedVector<float> &>() {
-  return enums::SERVICE_ARG_TYPE_FLOAT_ARRAY;
-}
-template<> enums::ServiceArgType to_service_arg_type<const FixedVector<std::string> &>() {
-  return enums::SERVICE_ARG_TYPE_STRING_ARRAY;
-}
-
 }  // namespace esphome::api

esphome/components/binary_sensor/__init__.py

@@ -155,7 +155,6 @@ DelayedOffFilter = binary_sensor_ns.class_("DelayedOffFilter", Filter, cg.Compon
 InvertFilter = binary_sensor_ns.class_("InvertFilter", Filter)
 AutorepeatFilter = binary_sensor_ns.class_("AutorepeatFilter", Filter, cg.Component)
 LambdaFilter = binary_sensor_ns.class_("LambdaFilter", Filter)
-StatelessLambdaFilter = binary_sensor_ns.class_("StatelessLambdaFilter", Filter)
 SettleFilter = binary_sensor_ns.class_("SettleFilter", Filter, cg.Component)
 
 _LOGGER = getLogger(__name__)
@@ -300,7 +299,7 @@ async def lambda_filter_to_code(config, filter_id):
     lambda_ = await cg.process_lambda(
         config, [(bool, "x")], return_type=cg.optional.template(bool)
     )
-    return automation.new_lambda_pvariable(filter_id, lambda_, StatelessLambdaFilter)
+    return cg.new_Pvariable(filter_id, lambda_)
 
 
 @register_filter(

esphome/components/binary_sensor/filter.h

@@ -111,21 +111,6 @@ class LambdaFilter : public Filter {
   std::function<optional<bool>(bool)> f_;
 };
 
-/** Optimized lambda filter for stateless lambdas (no capture).
- *
- * Uses function pointer instead of std::function to reduce memory overhead.
- * Memory: 4 bytes (function pointer on 32-bit) vs 32 bytes (std::function).
- */
-class StatelessLambdaFilter : public Filter {
- public:
-  explicit StatelessLambdaFilter(optional<bool> (*f)(bool)) : f_(f) {}
-
-  optional<bool> new_value(bool value) override { return this->f_(value); }
-
- protected:
-  optional<bool> (*f_)(bool);
-};
-
 class SettleFilter : public Filter, public Component {
  public:
   optional<bool> new_value(bool value) override;

esphome/components/esp32/__init__.py

@@ -304,13 +304,9 @@ def _format_framework_arduino_version(ver: cv.Version) -> str:
 def _format_framework_espidf_version(ver: cv.Version, release: str) -> str:
     # format the given espidf (https://github.com/pioarduino/esp-idf/releases) version to
     # a PIO platformio/framework-espidf value
-    if ver == cv.Version(5, 4, 3) or ver >= cv.Version(5, 5, 1):
-        ext = "tar.xz"
-    else:
-        ext = "zip"
     if release:
-        return f"pioarduino/framework-espidf@https://github.com/pioarduino/esp-idf/releases/download/v{str(ver)}.{release}/esp-idf-v{str(ver)}.{ext}"
-    return f"pioarduino/framework-espidf@https://github.com/pioarduino/esp-idf/releases/download/v{str(ver)}/esp-idf-v{str(ver)}.{ext}"
+        return f"pioarduino/framework-espidf@https://github.com/pioarduino/esp-idf/releases/download/v{str(ver)}.{release}/esp-idf-v{str(ver)}.zip"
+    return f"pioarduino/framework-espidf@https://github.com/pioarduino/esp-idf/releases/download/v{str(ver)}/esp-idf-v{str(ver)}.zip"
 
 
 def _is_framework_url(source: str) -> str:
@@ -359,7 +355,6 @@ ESP_IDF_FRAMEWORK_VERSION_LOOKUP = {
 ESP_IDF_PLATFORM_VERSION_LOOKUP = {
     cv.Version(5, 5, 1): cv.Version(55, 3, 31, "1"),
     cv.Version(5, 5, 0): cv.Version(55, 3, 31, "1"),
-    cv.Version(5, 4, 3): cv.Version(55, 3, 32),
     cv.Version(5, 4, 2): cv.Version(54, 3, 21, "2"),
     cv.Version(5, 4, 1): cv.Version(54, 3, 21, "2"),
     cv.Version(5, 4, 0): cv.Version(54, 3, 21, "2"),

esphome/components/esp32/gpio.h

@@ -40,13 +40,13 @@ class ESP32InternalGPIOPin : public InternalGPIOPin {
   // - 3 bytes for members below
   // - 1 byte padding for alignment
   // - 4 bytes for vtable pointer
-  uint8_t pin_;          // GPIO pin number (0-255, actual max ~54 on ESP32)
-  gpio::Flags flags_{};  // GPIO flags (1 byte)
+  uint8_t pin_;        // GPIO pin number (0-255, actual max ~54 on ESP32)
+  gpio::Flags flags_;  // GPIO flags (1 byte)
   struct PinFlags {
     uint8_t inverted : 1;        // Invert pin logic (1 bit)
     uint8_t drive_strength : 2;  // Drive strength 0-3 (2 bits)
     uint8_t reserved : 5;        // Reserved for future use (5 bits)
-  } pin_flags_{};                // Total: 1 byte
+  } pin_flags_;                  // Total: 1 byte
   // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
   static bool isr_service_installed;
 };

esphome/components/esp32/gpio.py

@@ -223,10 +223,7 @@ async def esp32_pin_to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     num = config[CONF_NUMBER]
     cg.add(var.set_pin(getattr(gpio_num_t, f"GPIO_NUM_{num}")))
-    # Only set if true to avoid bloating setup() function
-    # (inverted bit in pin_flags_ bitfield is zero-initialized to false)
-    if config[CONF_INVERTED]:
-        cg.add(var.set_inverted(True))
+    cg.add(var.set_inverted(config[CONF_INVERTED]))
     if CONF_DRIVE_STRENGTH in config:
         cg.add(var.set_drive_strength(config[CONF_DRIVE_STRENGTH]))
     cg.add(var.set_flags(pins.gpio_flags_expr(config[CONF_MODE])))

esphome/components/esp8266/gpio.h

@@ -29,8 +29,8 @@ class ESP8266GPIOPin : public InternalGPIOPin {
   void attach_interrupt(void (*func)(void *), void *arg, gpio::InterruptType type) const override;
 
   uint8_t pin_;
-  bool inverted_{};
-  gpio::Flags flags_{};
+  bool inverted_;
+  gpio::Flags flags_;
 };
 
 }  // namespace esp8266

esphome/components/esp8266/gpio.py

@@ -165,10 +165,7 @@ async def esp8266_pin_to_code(config):
     num = config[CONF_NUMBER]
     mode = config[CONF_MODE]
     cg.add(var.set_pin(num))
-    # Only set if true to avoid bloating setup() function
-    # (inverted bit in pin_flags_ bitfield is zero-initialized to false)
-    if config[CONF_INVERTED]:
-        cg.add(var.set_inverted(True))
+    cg.add(var.set_inverted(config[CONF_INVERTED]))
     cg.add(var.set_flags(pins.gpio_flags_expr(mode)))
     if num < 16:
         initial_state: PinInitialState = CORE.data[KEY_ESP8266][KEY_PIN_INITIAL_STATES][

esphome/components/ethernet/__init__.py

@@ -14,7 +14,7 @@ from esphome.components.esp32.const import (
     VARIANT_ESP32S2,
     VARIANT_ESP32S3,
 )
-from esphome.components.network import ip_address_literal
+from esphome.components.network import IPAddress
 from esphome.components.spi import CONF_INTERFACE_INDEX, get_spi_interface
 import esphome.config_validation as cv
 from esphome.const import (
@@ -320,11 +320,11 @@ def _final_validate_spi(config):
 def manual_ip(config):
     return cg.StructInitializer(
         ManualIP,
-        ("static_ip", ip_address_literal(config[CONF_STATIC_IP])),
-        ("gateway", ip_address_literal(config[CONF_GATEWAY])),
-        ("subnet", ip_address_literal(config[CONF_SUBNET])),
-        ("dns1", ip_address_literal(config[CONF_DNS1])),
-        ("dns2", ip_address_literal(config[CONF_DNS2])),
+        ("static_ip", IPAddress(str(config[CONF_STATIC_IP]))),
+        ("gateway", IPAddress(str(config[CONF_GATEWAY]))),
+        ("subnet", IPAddress(str(config[CONF_SUBNET]))),
+        ("dns1", IPAddress(str(config[CONF_DNS1]))),
+        ("dns2", IPAddress(str(config[CONF_DNS2]))),
     )
 
 

esphome/components/host/gpio.h

@@ -28,8 +28,8 @@ class HostGPIOPin : public InternalGPIOPin {
   void attach_interrupt(void (*func)(void *), void *arg, gpio::InterruptType type) const override;
 
   uint8_t pin_;
-  bool inverted_{};
-  gpio::Flags flags_{};
+  bool inverted_;
+  gpio::Flags flags_;
 };
 
 }  // namespace host

esphome/components/host/gpio.py

@@ -57,9 +57,6 @@ async def host_pin_to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     num = config[CONF_NUMBER]
     cg.add(var.set_pin(num))
-    # Only set if true to avoid bloating setup() function
-    # (inverted bit in pin_flags_ bitfield is zero-initialized to false)
-    if config[CONF_INVERTED]:
-        cg.add(var.set_inverted(True))
+    cg.add(var.set_inverted(config[CONF_INVERTED]))
     cg.add(var.set_flags(pins.gpio_flags_expr(config[CONF_MODE])))
     return var

esphome/components/http_request/http_request.h

@@ -169,7 +169,7 @@ class HttpRequestComponent : public Component {
  protected:
   virtual std::shared_ptr<HttpContainer> perform(const std::string &url, const std::string &method,
                                                  const std::string &body, const std::list<Header> &request_headers,
-                                                 const std::set<std::string> &collect_headers) = 0;
+                                                 std::set<std::string> collect_headers) = 0;
   const char *useragent_{nullptr};
   bool follow_redirects_{};
   uint16_t redirect_limit_{};

esphome/components/http_request/http_request_arduino.cpp

@@ -17,7 +17,7 @@ static const char *const TAG = "http_request.arduino";
 std::shared_ptr<HttpContainer> HttpRequestArduino::perform(const std::string &url, const std::string &method,
                                                            const std::string &body,
                                                            const std::list<Header> &request_headers,
-                                                           const std::set<std::string> &collect_headers) {
+                                                           std::set<std::string> collect_headers) {
   if (!network::is_connected()) {
     this->status_momentary_error("failed", 1000);
     ESP_LOGW(TAG, "HTTP Request failed; Not connected to network");

esphome/components/http_request/http_request_arduino.h

@@ -33,7 +33,7 @@ class HttpRequestArduino : public HttpRequestComponent {
  protected:
   std::shared_ptr<HttpContainer> perform(const std::string &url, const std::string &method, const std::string &body,
                                          const std::list<Header> &request_headers,
-                                         const std::set<std::string> &collect_headers) override;
+                                         std::set<std::string> collect_headers) override;
 };
 
 }  // namespace http_request

esphome/components/http_request/http_request_host.cpp

@@ -20,7 +20,7 @@ static const char *const TAG = "http_request.host";
 std::shared_ptr<HttpContainer> HttpRequestHost::perform(const std::string &url, const std::string &method,
                                                         const std::string &body,
                                                         const std::list<Header> &request_headers,
-                                                        const std::set<std::string> &response_headers) {
+                                                        std::set<std::string> response_headers) {
   if (!network::is_connected()) {
     this->status_momentary_error("failed", 1000);
     ESP_LOGW(TAG, "HTTP Request failed; Not connected to network");

esphome/components/http_request/http_request_host.h

@@ -20,7 +20,7 @@ class HttpRequestHost : public HttpRequestComponent {
  public:
   std::shared_ptr<HttpContainer> perform(const std::string &url, const std::string &method, const std::string &body,
                                          const std::list<Header> &request_headers,
-                                         const std::set<std::string> &response_headers) override;
+                                         std::set<std::string> response_headers) override;
   void set_ca_path(const char *ca_path) { this->ca_path_ = ca_path; }
 
  protected:

esphome/components/http_request/http_request_idf.cpp

@@ -55,7 +55,7 @@ esp_err_t HttpRequestIDF::http_event_handler(esp_http_client_event_t *evt) {
 std::shared_ptr<HttpContainer> HttpRequestIDF::perform(const std::string &url, const std::string &method,
                                                        const std::string &body,
                                                        const std::list<Header> &request_headers,
-                                                       const std::set<std::string> &collect_headers) {
+                                                       std::set<std::string> collect_headers) {
   if (!network::is_connected()) {
     this->status_momentary_error("failed", 1000);
     ESP_LOGE(TAG, "HTTP Request failed; Not connected to network");

esphome/components/http_request/http_request_idf.h

@@ -39,7 +39,7 @@ class HttpRequestIDF : public HttpRequestComponent {
  protected:
   std::shared_ptr<HttpContainer> perform(const std::string &url, const std::string &method, const std::string &body,
                                          const std::list<Header> &request_headers,
-                                         const std::set<std::string> &collect_headers) override;
+                                         std::set<std::string> collect_headers) override;
   // if zero ESP-IDF will use DEFAULT_HTTP_BUF_SIZE
   uint16_t buffer_size_rx_{};
   uint16_t buffer_size_tx_{};

esphome/components/libretiny/gpio.py

@@ -199,9 +199,6 @@ async def component_pin_to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     num = config[CONF_NUMBER]
     cg.add(var.set_pin(num))
-    # Only set if true to avoid bloating setup() function
-    # (inverted bit in pin_flags_ bitfield is zero-initialized to false)
-    if config[CONF_INVERTED]:
-        cg.add(var.set_inverted(True))
+    cg.add(var.set_inverted(config[CONF_INVERTED]))
     cg.add(var.set_flags(pins.gpio_flags_expr(config[CONF_MODE])))
     return var

esphome/components/libretiny/gpio_arduino.h

@@ -27,8 +27,8 @@ class ArduinoInternalGPIOPin : public InternalGPIOPin {
   void attach_interrupt(void (*func)(void *), void *arg, gpio::InterruptType type) const override;
 
   uint8_t pin_;
-  bool inverted_{};
-  gpio::Flags flags_{};
+  bool inverted_;
+  gpio::Flags flags_;
 };
 
 }  // namespace libretiny

esphome/components/light/addressable_light_effect.h

@@ -57,9 +57,9 @@ class AddressableLightEffect : public LightEffect {
 
 class AddressableLambdaLightEffect : public AddressableLightEffect {
  public:
-  AddressableLambdaLightEffect(const char *name, void (*f)(AddressableLight &, Color, bool initial_run),
+  AddressableLambdaLightEffect(const char *name, std::function<void(AddressableLight &, Color, bool initial_run)> f,
                                uint32_t update_interval)
-      : AddressableLightEffect(name), f_(f), update_interval_(update_interval) {}
+      : AddressableLightEffect(name), f_(std::move(f)), update_interval_(update_interval) {}
   void start() override { this->initial_run_ = true; }
   void apply(AddressableLight &it, const Color &current_color) override {
     const uint32_t now = millis();
@@ -72,7 +72,7 @@ class AddressableLambdaLightEffect : public AddressableLightEffect {
   }
 
  protected:
-  void (*f_)(AddressableLight &, Color, bool initial_run);
+  std::function<void(AddressableLight &, Color, bool initial_run)> f_;
   uint32_t update_interval_;
   uint32_t last_run_{0};
   bool initial_run_;

esphome/components/light/base_light_effects.h

@@ -112,8 +112,8 @@ class RandomLightEffect : public LightEffect {
 
 class LambdaLightEffect : public LightEffect {
  public:
-  LambdaLightEffect(const char *name, void (*f)(bool initial_run), uint32_t update_interval)
-      : LightEffect(name), f_(f), update_interval_(update_interval) {}
+  LambdaLightEffect(const char *name, std::function<void(bool initial_run)> f, uint32_t update_interval)
+      : LightEffect(name), f_(std::move(f)), update_interval_(update_interval) {}
 
   void start() override { this->initial_run_ = true; }
   void apply() override {
@@ -130,7 +130,7 @@ class LambdaLightEffect : public LightEffect {
   uint32_t get_current_index() const { return this->get_index(); }
 
  protected:
-  void (*f_)(bool initial_run);
+  std::function<void(bool initial_run)> f_;
   uint32_t update_interval_;
   uint32_t last_run_{0};
   bool initial_run_;

esphome/components/logger/__init__.py

@@ -1,7 +1,7 @@
 import re
 
 from esphome import automation
-from esphome.automation import LambdaAction, StatelessLambdaAction
+from esphome.automation import LambdaAction
 import esphome.codegen as cg
 from esphome.components.esp32 import add_idf_sdkconfig_option, get_esp32_variant
 from esphome.components.esp32.const import (
@@ -430,9 +430,7 @@ async def logger_log_action_to_code(config, action_id, template_arg, args):
     text = str(cg.statement(esp_log(config[CONF_TAG], config[CONF_FORMAT], *args_)))
 
     lambda_ = await cg.process_lambda(Lambda(text), args, return_type=cg.void)
-    return automation.new_lambda_pvariable(
-        action_id, lambda_, StatelessLambdaAction, template_arg
-    )
+    return cg.new_Pvariable(action_id, template_arg, lambda_)
 
 
 @automation.register_action(
@@ -457,9 +455,7 @@ async def logger_set_level_to_code(config, action_id, template_arg, args):
         text = str(cg.statement(logger.set_log_level(level)))
 
     lambda_ = await cg.process_lambda(Lambda(text), args, return_type=cg.void)
-    return automation.new_lambda_pvariable(
-        action_id, lambda_, StatelessLambdaAction, template_arg
-    )
+    return cg.new_Pvariable(action_id, template_arg, lambda_)
 
 
 FILTER_SOURCE_FILES = filter_source_files_from_platform(

esphome/components/network/__init__.py

@@ -1,5 +1,3 @@
-import ipaddress
-
 import esphome.codegen as cg
 from esphome.components.esp32 import add_idf_sdkconfig_option
 import esphome.config_validation as cv
@@ -12,41 +10,6 @@ AUTO_LOAD = ["mdns"]
 network_ns = cg.esphome_ns.namespace("network")
 IPAddress = network_ns.class_("IPAddress")
 
-
-def ip_address_literal(ip: str | int | None) -> cg.MockObj:
-    """Generate an IPAddress with compile-time initialization instead of runtime parsing.
-
-    This function parses the IP address in Python during code generation and generates
-    a call to the 4-octet constructor (IPAddress(192, 168, 1, 1)) instead of the
-    string constructor (IPAddress("192.168.1.1")). This eliminates runtime string
-    parsing overhead and reduces flash usage on embedded systems.
-
-    Args:
-        ip: IP address as string (e.g., "192.168.1.1"), ipaddress.IPv4Address, or None
-
-    Returns:
-        IPAddress expression that uses 4-octet constructor for efficiency
-    """
-    if ip is None:
-        return IPAddress(0, 0, 0, 0)
-
-    try:
-        # Parse using Python's ipaddress module
-        ip_obj = ipaddress.ip_address(ip)
-    except (ValueError, TypeError):
-        pass
-    else:
-        # Only support IPv4 for now
-        if isinstance(ip_obj, ipaddress.IPv4Address):
-            # Extract octets from the packed bytes representation
-            octets = ip_obj.packed
-            # Generate call to 4-octet constructor: IPAddress(192, 168, 1, 1)
-            return IPAddress(octets[0], octets[1], octets[2], octets[3])
-
-    # Fallback to string constructor if parsing fails
-    return IPAddress(str(ip))
-
-
 CONFIG_SCHEMA = cv.Schema(
     {
         cv.SplitDefault(

esphome/components/nextion/nextion.h

@@ -540,23 +540,6 @@ class Nextion : public NextionBase, public PollingComponent, public uart::UARTDe
    */
   void goto_page(uint8_t page);
 
-  /**
-   * Set the visibility of a component.
-   *
-   * @param component The component name.
-   * @param show True to show the component, false to hide it.
-   *
-   * @see show_component()
-   * @see hide_component()
-   *
-   * Example:
-   * ```cpp
-   * it.set_component_visibility("textview", true);   // Equivalent to show_component("textview")
-   * it.set_component_visibility("textview", false);  // Equivalent to hide_component("textview")
-   * ```
-   */
-  void set_component_visibility(const char *component, bool show) override;
-
   /**
    * Hide a component.
    * @param component The component name.

esphome/components/nextion/nextion_base.h

@@ -45,7 +45,6 @@ class NextionBase {
   virtual void set_component_pressed_font_color(const char *component, Color color) = 0;
   virtual void set_component_font(const char *component, uint8_t font_id) = 0;
 
-  virtual void set_component_visibility(const char *component, bool show) = 0;
   virtual void show_component(const char *component) = 0;
   virtual void hide_component(const char *component) = 0;
 

esphome/components/nextion/nextion_commands.cpp

@@ -201,13 +201,13 @@ void Nextion::set_component_font(const char *component, uint8_t font_id) {
   this->add_no_result_to_queue_with_printf_("set_component_font", "%s.font=%" PRIu8, component, font_id);
 }
 
-void Nextion::set_component_visibility(const char *component, bool show) {
-  this->add_no_result_to_queue_with_printf_("set_component_visibility", "vis %s,%d", component, show ? 1 : 0);
+void Nextion::hide_component(const char *component) {
+  this->add_no_result_to_queue_with_printf_("hide_component", "vis %s,0", component);
 }
 
-void Nextion::hide_component(const char *component) { this->set_component_visibility(component, false); }
-
-void Nextion::show_component(const char *component) { this->set_component_visibility(component, true); }
+void Nextion::show_component(const char *component) {
+  this->add_no_result_to_queue_with_printf_("show_component", "vis %s,1", component);
+}
 
 void Nextion::enable_component_touch(const char *component) {
   this->add_no_result_to_queue_with_printf_("enable_component_touch", "tsw %s,1", component);

esphome/components/nextion/nextion_component.cpp

@@ -81,11 +81,13 @@ void NextionComponent::update_component_settings(bool force_update) {
 
     this->component_flags_.visible_needs_update = false;
 
-    this->nextion_->set_component_visibility(name_to_send.c_str(), this->component_flags_.visible);
-    if (!this->component_flags_.visible) {
+    if (this->component_flags_.visible) {
+      this->nextion_->show_component(name_to_send.c_str());
+      this->send_state_to_nextion();
+    } else {
+      this->nextion_->hide_component(name_to_send.c_str());
       return;
     }
-    this->send_state_to_nextion();
   }
 
   if (this->component_flags_.bco_needs_update || (force_update && this->component_flags_.bco2_is_set)) {

esphome/components/nextion/nextion_upload_arduino.cpp

@@ -174,6 +174,11 @@ bool Nextion::upload_tft(uint32_t baud_rate, bool exit_reparse) {
 
   // Check if baud rate is supported
   this->original_baud_rate_ = this->parent_->get_baud_rate();
+  static const std::vector<uint32_t> SUPPORTED_BAUD_RATES = {2400,   4800,   9600,   19200,  31250,  38400, 57600,
+                                                             115200, 230400, 250000, 256000, 512000, 921600};
+  if (std::find(SUPPORTED_BAUD_RATES.begin(), SUPPORTED_BAUD_RATES.end(), baud_rate) == SUPPORTED_BAUD_RATES.end()) {
+    baud_rate = this->original_baud_rate_;
+  }
   ESP_LOGD(TAG, "Baud rate: %" PRIu32, baud_rate);
 
   // Define the configuration for the HTTP client

esphome/components/nextion/nextion_upload_idf.cpp

@@ -177,6 +177,11 @@ bool Nextion::upload_tft(uint32_t baud_rate, bool exit_reparse) {
 
   // Check if baud rate is supported
   this->original_baud_rate_ = this->parent_->get_baud_rate();
+  static const std::vector<uint32_t> SUPPORTED_BAUD_RATES = {2400,   4800,   9600,   19200,  31250,  38400, 57600,
+                                                             115200, 230400, 250000, 256000, 512000, 921600};
+  if (std::find(SUPPORTED_BAUD_RATES.begin(), SUPPORTED_BAUD_RATES.end(), baud_rate) == SUPPORTED_BAUD_RATES.end()) {
+    baud_rate = this->original_baud_rate_;
+  }
   ESP_LOGD(TAG, "Baud rate: %" PRIu32, baud_rate);
 
   // Define the configuration for the HTTP client

esphome/components/nrf52/gpio.py

@@ -74,9 +74,6 @@ async def nrf52_pin_to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     num = config[CONF_NUMBER]
     cg.add(var.set_pin(num))
-    # Only set if true to avoid bloating setup() function
-    # (inverted bit in pin_flags_ bitfield is zero-initialized to false)
-    if config[CONF_INVERTED]:
-        cg.add(var.set_inverted(True))
+    cg.add(var.set_inverted(config[CONF_INVERTED]))
     cg.add(var.set_flags(pins.gpio_flags_expr(config[CONF_MODE])))
     return var

esphome/components/number/__init__.py

@@ -252,10 +252,7 @@ async def setup_number_core_(
     cg.add(var.traits.set_max_value(max_value))
     cg.add(var.traits.set_step(step))
 
-    # Only set if non-default to avoid bloating setup() function
-    # (mode_ is initialized to NUMBER_MODE_AUTO in the header)
-    if config[CONF_MODE] != NumberMode.NUMBER_MODE_AUTO:
-        cg.add(var.traits.set_mode(config[CONF_MODE]))
+    cg.add(var.traits.set_mode(config[CONF_MODE]))
 
     for conf in config.get(CONF_ON_VALUE, []):
         trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)

esphome/components/pipsolar/pipsolar.cpp

@@ -38,6 +38,7 @@ void Pipsolar::loop() {
   }
   if (this->state_ == STATE_COMMAND_COMPLETE) {
     if (this->check_incoming_length_(4)) {
+      ESP_LOGD(TAG, "response length for command OK");
       if (this->check_incoming_crc_()) {
         // crc ok
         if (this->read_buffer_[1] == 'A' && this->read_buffer_[2] == 'C' && this->read_buffer_[3] == 'K') {
@@ -48,15 +49,15 @@ void Pipsolar::loop() {
         this->command_queue_[this->command_queue_position_] = std::string("");
         this->command_queue_position_ = (command_queue_position_ + 1) % COMMAND_QUEUE_LENGTH;
         this->state_ = STATE_IDLE;
+
       } else {
         // crc failed
-        // no log message necessary, check_incoming_crc_() logs
         this->command_queue_[this->command_queue_position_] = std::string("");
         this->command_queue_position_ = (command_queue_position_ + 1) % COMMAND_QUEUE_LENGTH;
         this->state_ = STATE_IDLE;
       }
     } else {
-      ESP_LOGD(TAG, "command %s response length not OK: with length %zu",
+      ESP_LOGD(TAG, "response length for command %s not OK: with length %zu",
                this->command_queue_[this->command_queue_position_].c_str(), this->read_pos_);
       this->command_queue_[this->command_queue_position_] = std::string("");
       this->command_queue_position_ = (command_queue_position_ + 1) % COMMAND_QUEUE_LENGTH;
@@ -65,10 +66,46 @@ void Pipsolar::loop() {
   }
 
   if (this->state_ == STATE_POLL_CHECKED) {
-    ESP_LOGD(TAG, "poll %s decode", this->enabled_polling_commands_[this->last_polling_command_].command);
-    this->handle_poll_response_(this->enabled_polling_commands_[this->last_polling_command_].identifier,
-                                (const char *) this->read_buffer_);
-    this->state_ = STATE_IDLE;
+    switch (this->enabled_polling_commands_[this->last_polling_command_].identifier) {
+      case POLLING_QPIRI:
+        ESP_LOGD(TAG, "Decode QPIRI");
+        handle_qpiri_((const char *) this->read_buffer_);
+        this->state_ = STATE_IDLE;
+        break;
+      case POLLING_QPIGS:
+        ESP_LOGD(TAG, "Decode QPIGS");
+        handle_qpigs_((const char *) this->read_buffer_);
+        this->state_ = STATE_IDLE;
+        break;
+      case POLLING_QMOD:
+        ESP_LOGD(TAG, "Decode QMOD");
+        handle_qmod_((const char *) this->read_buffer_);
+        this->state_ = STATE_IDLE;
+        break;
+      case POLLING_QFLAG:
+        ESP_LOGD(TAG, "Decode QFLAG");
+        handle_qflag_((const char *) this->read_buffer_);
+        this->state_ = STATE_IDLE;
+        break;
+      case POLLING_QPIWS:
+        ESP_LOGD(TAG, "Decode QPIWS");
+        handle_qpiws_((const char *) this->read_buffer_);
+        this->state_ = STATE_IDLE;
+        break;
+      case POLLING_QT:
+        ESP_LOGD(TAG, "Decode QT");
+        handle_qt_((const char *) this->read_buffer_);
+        this->state_ = STATE_IDLE;
+        break;
+      case POLLING_QMN:
+        ESP_LOGD(TAG, "Decode QMN");
+        handle_qmn_((const char *) this->read_buffer_);
+        this->state_ = STATE_IDLE;
+        break;
+      default:
+        this->state_ = STATE_IDLE;
+        break;
+    }
     return;
   }
 
@@ -76,8 +113,6 @@ void Pipsolar::loop() {
     if (this->check_incoming_crc_()) {
       if (this->read_buffer_[0] == '(' && this->read_buffer_[1] == 'N' && this->read_buffer_[2] == 'A' &&
           this->read_buffer_[3] == 'K') {
-        ESP_LOGD(TAG, "poll %s NACK", this->enabled_polling_commands_[this->last_polling_command_].command);
-        this->handle_poll_error_(this->enabled_polling_commands_[this->last_polling_command_].identifier);
         this->state_ = STATE_IDLE;
         return;
       }
@@ -86,9 +121,6 @@ void Pipsolar::loop() {
       this->state_ = STATE_POLL_CHECKED;
       return;
     } else {
-      // crc failed
-      // no log message necessary, check_incoming_crc_() logs
-      this->handle_poll_error_(this->enabled_polling_commands_[this->last_polling_command_].identifier);
       this->state_ = STATE_IDLE;
     }
   }
@@ -126,19 +158,21 @@ void Pipsolar::loop() {
       // command timeout
       const char *command = this->command_queue_[this->command_queue_position_].c_str();
       this->command_start_millis_ = millis();
-      ESP_LOGD(TAG, "command %s timeout", command);
+      ESP_LOGD(TAG, "timeout command from queue: %s", command);
       this->command_queue_[this->command_queue_position_] = std::string("");
       this->command_queue_position_ = (command_queue_position_ + 1) % COMMAND_QUEUE_LENGTH;
       this->state_ = STATE_IDLE;
       return;
+    } else {
     }
   }
   if (this->state_ == STATE_POLL) {
     if (millis() - this->command_start_millis_ > esphome::pipsolar::Pipsolar::COMMAND_TIMEOUT) {
       // command timeout
-      ESP_LOGD(TAG, "poll %s timeout", this->enabled_polling_commands_[this->last_polling_command_].command);
-      this->handle_poll_error_(this->enabled_polling_commands_[this->last_polling_command_].identifier);
+      ESP_LOGD(TAG, "timeout command to poll: %s",
+               this->enabled_polling_commands_[this->last_polling_command_].command);
       this->state_ = STATE_IDLE;
+    } else {
     }
   }
 }
@@ -153,6 +187,7 @@ uint8_t Pipsolar::check_incoming_length_(uint8_t length) {
 uint8_t Pipsolar::check_incoming_crc_() {
   uint16_t crc16;
   crc16 = this->pipsolar_crc_(read_buffer_, read_pos_ - 3);
+  ESP_LOGD(TAG, "checking crc on incoming message");
   if (((uint8_t) ((crc16) >> 8)) == read_buffer_[read_pos_ - 3] &&
       ((uint8_t) ((crc16) &0xff)) == read_buffer_[read_pos_ - 2]) {
     ESP_LOGD(TAG, "CRC OK");
@@ -218,7 +253,7 @@ bool Pipsolar::send_next_poll_() {
     this->write(((uint8_t) ((crc16) &0xff)));  // lowbyte
     // end Byte
     this->write(0x0D);
-    ESP_LOGD(TAG, "Sending polling command: %s with length %d",
+    ESP_LOGD(TAG, "Sending polling command : %s with length %d",
              this->enabled_polling_commands_[this->last_polling_command_].command,
              this->enabled_polling_commands_[this->last_polling_command_].length);
     return true;
@@ -239,38 +274,6 @@ void Pipsolar::queue_command(const std::string &command) {
   ESP_LOGD(TAG, "Command queue full dropping command: %s", command.c_str());
 }
 
-void Pipsolar::handle_poll_response_(ENUMPollingCommand polling_command, const char *message) {
-  switch (polling_command) {
-    case POLLING_QPIRI:
-      handle_qpiri_(message);
-      break;
-    case POLLING_QPIGS:
-      handle_qpigs_(message);
-      break;
-    case POLLING_QMOD:
-      handle_qmod_(message);
-      break;
-    case POLLING_QFLAG:
-      handle_qflag_(message);
-      break;
-    case POLLING_QPIWS:
-      handle_qpiws_(message);
-      break;
-    case POLLING_QT:
-      handle_qt_(message);
-      break;
-    case POLLING_QMN:
-      handle_qmn_(message);
-      break;
-    default:
-      break;
-  }
-}
-void Pipsolar::handle_poll_error_(ENUMPollingCommand polling_command) {
-  // handlers are designed in a way that an empty message sets all sensors to unknown
-  this->handle_poll_response_(polling_command, "");
-}
-
 void Pipsolar::handle_qpiri_(const char *message) {
   if (this->last_qpiri_) {
     this->last_qpiri_->publish_state(message);

esphome/components/pipsolar/pipsolar.h

@@ -204,9 +204,6 @@ class Pipsolar : public uart::UARTDevice, public PollingComponent {
   bool send_next_command_();
   bool send_next_poll_();
 
-  void handle_poll_response_(ENUMPollingCommand polling_command, const char *message);
-  void handle_poll_error_(ENUMPollingCommand polling_command);
-  // these handlers are designed in a way that an empty message sets all sensors to unknown
   void handle_qpiri_(const char *message);
   void handle_qpigs_(const char *message);
   void handle_qmod_(const char *message);

esphome/components/pipsolar/sensor/__init__.py

@@ -4,18 +4,11 @@ import esphome.config_validation as cv
 from esphome.const import (
     CONF_BATTERY_VOLTAGE,
     CONF_BUS_VOLTAGE,
-    DEVICE_CLASS_APPARENT_POWER,
-    DEVICE_CLASS_BATTERY,
     DEVICE_CLASS_CURRENT,
-    DEVICE_CLASS_FREQUENCY,
     DEVICE_CLASS_POWER,
     DEVICE_CLASS_TEMPERATURE,
     DEVICE_CLASS_VOLTAGE,
-    ICON_BATTERY,
     ICON_CURRENT_AC,
-    ICON_FLASH,
-    ICON_GAUGE,
-    STATE_CLASS_MEASUREMENT,
     UNIT_AMPERE,
     UNIT_CELSIUS,
     UNIT_HERTZ,
@@ -29,10 +22,6 @@ from .. import CONF_PIPSOLAR_ID, PIPSOLAR_COMPONENT_SCHEMA
 
 DEPENDENCIES = ["uart"]
 
-ICON_SOLAR_POWER = "mdi:solar-power"
-ICON_SOLAR_PANEL = "mdi:solar-panel"
-ICON_CURRENT_DC = "mdi:current-dc"
-
 # QPIRI sensors
 CONF_GRID_RATING_VOLTAGE = "grid_rating_voltage"
 CONF_GRID_RATING_CURRENT = "grid_rating_current"
@@ -86,19 +75,16 @@ TYPES = {
         unit_of_measurement=UNIT_VOLT,
         accuracy_decimals=1,
         device_class=DEVICE_CLASS_VOLTAGE,
-        state_class=STATE_CLASS_MEASUREMENT,
     ),
     CONF_GRID_RATING_CURRENT: sensor.sensor_schema(
         unit_of_measurement=UNIT_AMPERE,
         accuracy_decimals=1,
         device_class=DEVICE_CLASS_CURRENT,
-        state_class=STATE_CLASS_MEASUREMENT,
     ),
     CONF_AC_OUTPUT_RATING_VOLTAGE: sensor.sensor_schema(
         unit_of_measurement=UNIT_VOLT,
         accuracy_decimals=1,
         device_class=DEVICE_CLASS_VOLTAGE,
-        state_class=STATE_CLASS_MEASUREMENT,
     ),
     CONF_AC_OUTPUT_RATING_FREQUENCY: sensor.sensor_schema(
         unit_of_measurement=UNIT_HERTZ,
@@ -112,12 +98,11 @@ TYPES = {
     ),
     CONF_AC_OUTPUT_RATING_APPARENT_POWER: sensor.sensor_schema(
         unit_of_measurement=UNIT_VOLT_AMPS,
-        accuracy_decimals=0,
-        device_class=DEVICE_CLASS_APPARENT_POWER,
+        accuracy_decimals=1,
     ),
     CONF_AC_OUTPUT_RATING_ACTIVE_POWER: sensor.sensor_schema(
         unit_of_measurement=UNIT_WATT,
-        accuracy_decimals=0,
+        accuracy_decimals=1,
         device_class=DEVICE_CLASS_POWER,
     ),
     CONF_BATTERY_RATING_VOLTAGE: sensor.sensor_schema(
@@ -146,151 +131,124 @@ TYPES = {
         device_class=DEVICE_CLASS_VOLTAGE,
     ),
     CONF_BATTERY_TYPE: sensor.sensor_schema(
-        accuracy_decimals=0,
+        accuracy_decimals=1,
     ),
     CONF_CURRENT_MAX_AC_CHARGING_CURRENT: sensor.sensor_schema(
         unit_of_measurement=UNIT_AMPERE,
-        accuracy_decimals=0,
+        accuracy_decimals=1,
         device_class=DEVICE_CLASS_CURRENT,
     ),
     CONF_CURRENT_MAX_CHARGING_CURRENT: sensor.sensor_schema(
         unit_of_measurement=UNIT_AMPERE,
-        accuracy_decimals=0,
+        accuracy_decimals=1,
         device_class=DEVICE_CLASS_CURRENT,
     ),
     CONF_INPUT_VOLTAGE_RANGE: sensor.sensor_schema(
-        accuracy_decimals=0,
+        accuracy_decimals=1,
     ),
     CONF_OUTPUT_SOURCE_PRIORITY: sensor.sensor_schema(
-        accuracy_decimals=0,
+        accuracy_decimals=1,
     ),
     CONF_CHARGER_SOURCE_PRIORITY: sensor.sensor_schema(
-        accuracy_decimals=0,
+        accuracy_decimals=1,
     ),
     CONF_PARALLEL_MAX_NUM: sensor.sensor_schema(
-        accuracy_decimals=0,
+        accuracy_decimals=1,
     ),
     CONF_MACHINE_TYPE: sensor.sensor_schema(
-        accuracy_decimals=0,
+        accuracy_decimals=1,
     ),
     CONF_TOPOLOGY: sensor.sensor_schema(
-        accuracy_decimals=0,
+        accuracy_decimals=1,
     ),
     CONF_OUTPUT_MODE: sensor.sensor_schema(
-        accuracy_decimals=0,
+        accuracy_decimals=1,
     ),
     CONF_BATTERY_REDISCHARGE_VOLTAGE: sensor.sensor_schema(
         accuracy_decimals=1,
     ),
     CONF_PV_OK_CONDITION_FOR_PARALLEL: sensor.sensor_schema(
-        accuracy_decimals=0,
+        accuracy_decimals=1,
     ),
     CONF_PV_POWER_BALANCE: sensor.sensor_schema(
-        accuracy_decimals=0,
+        accuracy_decimals=1,
     ),
     CONF_GRID_VOLTAGE: sensor.sensor_schema(
         unit_of_measurement=UNIT_VOLT,
         accuracy_decimals=1,
         device_class=DEVICE_CLASS_VOLTAGE,
-        state_class=STATE_CLASS_MEASUREMENT,
     ),
     CONF_GRID_FREQUENCY: sensor.sensor_schema(
         unit_of_measurement=UNIT_HERTZ,
         icon=ICON_CURRENT_AC,
         accuracy_decimals=1,
-        device_class=DEVICE_CLASS_FREQUENCY,
-        state_class=STATE_CLASS_MEASUREMENT,
     ),
     CONF_AC_OUTPUT_VOLTAGE: sensor.sensor_schema(
         unit_of_measurement=UNIT_VOLT,
         accuracy_decimals=1,
         device_class=DEVICE_CLASS_VOLTAGE,
-        state_class=STATE_CLASS_MEASUREMENT,
     ),
     CONF_AC_OUTPUT_FREQUENCY: sensor.sensor_schema(
         unit_of_measurement=UNIT_HERTZ,
         icon=ICON_CURRENT_AC,
         accuracy_decimals=1,
-        device_class=DEVICE_CLASS_FREQUENCY,
-        state_class=STATE_CLASS_MEASUREMENT,
     ),
     CONF_AC_OUTPUT_APPARENT_POWER: sensor.sensor_schema(
         unit_of_measurement=UNIT_VOLT_AMPS,
-        accuracy_decimals=0,
-        device_class=DEVICE_CLASS_APPARENT_POWER,
-        state_class=STATE_CLASS_MEASUREMENT,
+        accuracy_decimals=1,
     ),
     CONF_AC_OUTPUT_ACTIVE_POWER: sensor.sensor_schema(
         unit_of_measurement=UNIT_WATT,
-        accuracy_decimals=0,
+        accuracy_decimals=1,
         device_class=DEVICE_CLASS_POWER,
-        state_class=STATE_CLASS_MEASUREMENT,
     ),
     CONF_OUTPUT_LOAD_PERCENT: sensor.sensor_schema(
         unit_of_measurement=UNIT_PERCENT,
-        icon=ICON_GAUGE,
-        accuracy_decimals=0,
-        state_class=STATE_CLASS_MEASUREMENT,
+        accuracy_decimals=1,
     ),
     CONF_BUS_VOLTAGE: sensor.sensor_schema(
         unit_of_measurement=UNIT_VOLT,
-        icon=ICON_FLASH,
-        accuracy_decimals=0,
+        accuracy_decimals=1,
         device_class=DEVICE_CLASS_VOLTAGE,
-        state_class=STATE_CLASS_MEASUREMENT,
     ),
     CONF_BATTERY_VOLTAGE: sensor.sensor_schema(
         unit_of_measurement=UNIT_VOLT,
-        icon=ICON_BATTERY,
-        accuracy_decimals=2,
+        accuracy_decimals=1,
         device_class=DEVICE_CLASS_VOLTAGE,
-        state_class=STATE_CLASS_MEASUREMENT,
     ),
     CONF_BATTERY_CHARGING_CURRENT: sensor.sensor_schema(
         unit_of_measurement=UNIT_AMPERE,
-        icon=ICON_CURRENT_DC,
-        accuracy_decimals=0,
+        accuracy_decimals=1,
         device_class=DEVICE_CLASS_CURRENT,
-        state_class=STATE_CLASS_MEASUREMENT,
     ),
     CONF_BATTERY_CAPACITY_PERCENT: sensor.sensor_schema(
         unit_of_measurement=UNIT_PERCENT,
-        accuracy_decimals=0,
-        device_class=DEVICE_CLASS_BATTERY,
-        state_class=STATE_CLASS_MEASUREMENT,
+        accuracy_decimals=1,
     ),
     CONF_INVERTER_HEAT_SINK_TEMPERATURE: sensor.sensor_schema(
         unit_of_measurement=UNIT_CELSIUS,
-        accuracy_decimals=0,
+        accuracy_decimals=1,
         device_class=DEVICE_CLASS_TEMPERATURE,
-        state_class=STATE_CLASS_MEASUREMENT,
     ),
     CONF_PV_INPUT_CURRENT_FOR_BATTERY: sensor.sensor_schema(
         unit_of_measurement=UNIT_AMPERE,
-        icon=ICON_SOLAR_PANEL,
         accuracy_decimals=1,
         device_class=DEVICE_CLASS_CURRENT,
-        state_class=STATE_CLASS_MEASUREMENT,
     ),
     CONF_PV_INPUT_VOLTAGE: sensor.sensor_schema(
         unit_of_measurement=UNIT_VOLT,
-        icon=ICON_SOLAR_PANEL,
         accuracy_decimals=1,
         device_class=DEVICE_CLASS_VOLTAGE,
-        state_class=STATE_CLASS_MEASUREMENT,
     ),
     CONF_BATTERY_VOLTAGE_SCC: sensor.sensor_schema(
         unit_of_measurement=UNIT_VOLT,
-        accuracy_decimals=2,
+        accuracy_decimals=1,
         device_class=DEVICE_CLASS_VOLTAGE,
-        state_class=STATE_CLASS_MEASUREMENT,
     ),
     CONF_BATTERY_DISCHARGE_CURRENT: sensor.sensor_schema(
         unit_of_measurement=UNIT_AMPERE,
-        icon=ICON_CURRENT_DC,
-        accuracy_decimals=0,
+        accuracy_decimals=1,
         device_class=DEVICE_CLASS_CURRENT,
-        state_class=STATE_CLASS_MEASUREMENT,
     ),
     CONF_BATTERY_VOLTAGE_OFFSET_FOR_FANS_ON: sensor.sensor_schema(
         unit_of_measurement=UNIT_VOLT,
@@ -298,14 +256,12 @@ TYPES = {
         device_class=DEVICE_CLASS_VOLTAGE,
     ),
     CONF_EEPROM_VERSION: sensor.sensor_schema(
-        accuracy_decimals=0,
+        accuracy_decimals=1,
     ),
     CONF_PV_CHARGING_POWER: sensor.sensor_schema(
         unit_of_measurement=UNIT_WATT,
-        icon=ICON_SOLAR_POWER,
-        accuracy_decimals=0,
+        accuracy_decimals=1,
         device_class=DEVICE_CLASS_POWER,
-        state_class=STATE_CLASS_MEASUREMENT,
     ),
 }
 

esphome/components/remote_transmitter/remote_transmitter.h

@@ -12,25 +12,6 @@
 namespace esphome {
 namespace remote_transmitter {
 
-#ifdef USE_ESP32
-#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 5, 1)
-// IDF version 5.5.1 and above is required because of a bug in
-// the RMT encoder: https://github.com/espressif/esp-idf/issues/17244
-typedef union {  // NOLINT(modernize-use-using)
-  struct {
-    uint16_t duration : 15;
-    uint16_t level : 1;
-  };
-  uint16_t val;
-} rmt_symbol_half_t;
-
-struct RemoteTransmitterComponentStore {
-  uint32_t times{0};
-  uint32_t index{0};
-};
-#endif
-#endif
-
 class RemoteTransmitterComponent : public remote_base::RemoteTransmitterBase,
                                    public Component
 #ifdef USE_ESP32
@@ -75,14 +56,9 @@ class RemoteTransmitterComponent : public remote_base::RemoteTransmitterBase,
 #ifdef USE_ESP32
   void configure_rmt_();
 
-#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 5, 1)
-  RemoteTransmitterComponentStore store_{};
-  std::vector<rmt_symbol_half_t> rmt_temp_;
-#else
-  std::vector<rmt_symbol_word_t> rmt_temp_;
-#endif
   uint32_t current_carrier_frequency_{38000};
   bool initialized_{false};
+  std::vector<rmt_symbol_word_t> rmt_temp_;
   bool with_dma_{false};
   bool eot_level_{false};
   rmt_channel_handle_t channel_{NULL};

esphome/components/remote_transmitter/remote_transmitter_esp32.cpp

@@ -10,46 +10,6 @@ namespace remote_transmitter {
 
 static const char *const TAG = "remote_transmitter";
 
-// Maximum RMT symbol duration (15-bit field)
-static constexpr uint32_t RMT_SYMBOL_DURATION_MAX = 0x7FFF;
-
-#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 5, 1)
-static size_t IRAM_ATTR HOT encoder_callback(const void *data, size_t size, size_t written, size_t free,
-                                             rmt_symbol_word_t *symbols, bool *done, void *arg) {
-  auto *store = static_cast<RemoteTransmitterComponentStore *>(arg);
-  const auto *encoded = static_cast<const rmt_symbol_half_t *>(data);
-  size_t length = size / sizeof(rmt_symbol_half_t);
-  size_t count = 0;
-
-  // copy symbols
-  for (size_t i = 0; i < free; i++) {
-    uint16_t sym_0 = encoded[store->index++].val;
-    if (store->index >= length) {
-      store->index = 0;
-      store->times--;
-      if (store->times == 0) {
-        *done = true;
-        symbols[count++].val = sym_0;
-        return count;
-      }
-    }
-    uint16_t sym_1 = encoded[store->index++].val;
-    if (store->index >= length) {
-      store->index = 0;
-      store->times--;
-      if (store->times == 0) {
-        *done = true;
-        symbols[count++].val = sym_0 | (sym_1 << 16);
-        return count;
-      }
-    }
-    symbols[count++].val = sym_0 | (sym_1 << 16);
-  }
-  *done = false;
-  return count;
-}
-#endif
-
 void RemoteTransmitterComponent::setup() {
   this->inverted_ = this->pin_->is_inverted();
   this->configure_rmt_();
@@ -74,17 +34,6 @@ void RemoteTransmitterComponent::dump_config() {
 }
 
 void RemoteTransmitterComponent::digital_write(bool value) {
-#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 5, 1)
-  rmt_symbol_half_t symbol = {
-      .duration = 1,
-      .level = value,
-  };
-  rmt_transmit_config_t config;
-  memset(&config, 0, sizeof(config));
-  config.flags.eot_level = value;
-  this->store_.times = 1;
-  this->store_.index = 0;
-#else
   rmt_symbol_word_t symbol = {
       .duration0 = 1,
       .level0 = value,
@@ -93,8 +42,8 @@ void RemoteTransmitterComponent::digital_write(bool value) {
   };
   rmt_transmit_config_t config;
   memset(&config, 0, sizeof(config));
+  config.loop_count = 0;
   config.flags.eot_level = value;
-#endif
   esp_err_t error = rmt_transmit(this->channel_, this->encoder_, &symbol, sizeof(symbol), &config);
   if (error != ESP_OK) {
     ESP_LOGW(TAG, "rmt_transmit failed: %s", esp_err_to_name(error));
@@ -141,20 +90,6 @@ void RemoteTransmitterComponent::configure_rmt_() {
       gpio_pullup_dis(gpio_num_t(this->pin_->get_pin()));
     }
 
-#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 5, 1)
-    rmt_simple_encoder_config_t encoder;
-    memset(&encoder, 0, sizeof(encoder));
-    encoder.callback = encoder_callback;
-    encoder.arg = &this->store_;
-    encoder.min_chunk_size = 1;
-    error = rmt_new_simple_encoder(&encoder, &this->encoder_);
-    if (error != ESP_OK) {
-      this->error_code_ = error;
-      this->error_string_ = "in rmt_new_simple_encoder";
-      this->mark_failed();
-      return;
-    }
-#else
     rmt_copy_encoder_config_t encoder;
     memset(&encoder, 0, sizeof(encoder));
     error = rmt_new_copy_encoder(&encoder, &this->encoder_);
@@ -164,7 +99,6 @@ void RemoteTransmitterComponent::configure_rmt_() {
       this->mark_failed();
       return;
     }
-#endif
 
     error = rmt_enable(this->channel_);
     if (error != ESP_OK) {
@@ -196,79 +130,6 @@ void RemoteTransmitterComponent::configure_rmt_() {
   }
 }
 
-#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 5, 1)
-void RemoteTransmitterComponent::send_internal(uint32_t send_times, uint32_t send_wait) {
-  if (this->is_failed()) {
-    return;
-  }
-
-  if (this->current_carrier_frequency_ != this->temp_.get_carrier_frequency()) {
-    this->current_carrier_frequency_ = this->temp_.get_carrier_frequency();
-    this->configure_rmt_();
-  }
-
-  this->rmt_temp_.clear();
-  this->rmt_temp_.reserve(this->temp_.get_data().size() + 1);
-
-  // encode any delay at the start of the buffer to simplify the encoder callback
-  // this will be skipped the first time around
-  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));
-    this->rmt_temp_.push_back({
-        .duration = static_cast<uint16_t>(duration),
-        .level = static_cast<uint16_t>(this->eot_level_),
-    });
-    send_wait -= duration;
-  }
-
-  // encode data
-  size_t offset = this->rmt_temp_.size();
-  for (int32_t value : this->temp_.get_data()) {
-    bool level = value >= 0;
-    if (!level) {
-      value = -value;
-    }
-    value = this->from_microseconds_(static_cast<uint32_t>(value));
-    while (value > 0) {
-      int32_t duration = std::min(value, int32_t(RMT_SYMBOL_DURATION_MAX));
-      this->rmt_temp_.push_back({
-          .duration = static_cast<uint16_t>(duration),
-          .level = static_cast<uint16_t>(level ^ this->inverted_),
-      });
-      value -= duration;
-    }
-  }
-
-  if ((this->rmt_temp_.data() == nullptr) || this->rmt_temp_.size() <= offset) {
-    ESP_LOGE(TAG, "Empty data");
-    return;
-  }
-
-  this->transmit_trigger_->trigger();
-
-  rmt_transmit_config_t config;
-  memset(&config, 0, sizeof(config));
-  config.flags.eot_level = this->eot_level_;
-  this->store_.times = send_times;
-  this->store_.index = offset;
-  esp_err_t error = rmt_transmit(this->channel_, this->encoder_, this->rmt_temp_.data(),
-                                 this->rmt_temp_.size() * sizeof(rmt_symbol_half_t), &config);
-  if (error != ESP_OK) {
-    ESP_LOGW(TAG, "rmt_transmit failed: %s", esp_err_to_name(error));
-    this->status_set_warning();
-  } else {
-    this->status_clear_warning();
-  }
-  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) {
   if (this->is_failed())
     return;
@@ -290,7 +151,7 @@ void RemoteTransmitterComponent::send_internal(uint32_t send_times, uint32_t sen
     val = this->from_microseconds_(static_cast<uint32_t>(val));
 
     do {
-      int32_t item = std::min(val, int32_t(RMT_SYMBOL_DURATION_MAX));
+      int32_t item = std::min(val, int32_t(32767));
       val -= item;
 
       if (rmt_i % 2 == 0) {
@@ -319,6 +180,7 @@ void RemoteTransmitterComponent::send_internal(uint32_t send_times, uint32_t sen
   for (uint32_t i = 0; i < send_times; i++) {
     rmt_transmit_config_t config;
     memset(&config, 0, sizeof(config));
+    config.loop_count = 0;
     config.flags.eot_level = this->eot_level_;
     esp_err_t error = rmt_transmit(this->channel_, this->encoder_, this->rmt_temp_.data(),
                                    this->rmt_temp_.size() * sizeof(rmt_symbol_word_t), &config);
@@ -338,7 +200,6 @@ void RemoteTransmitterComponent::send_internal(uint32_t send_times, uint32_t sen
   }
   this->complete_trigger_->trigger();
 }
-#endif
 
 }  // namespace remote_transmitter
 }  // namespace esphome

esphome/components/rp2040/gpio.h

@@ -29,8 +29,8 @@ class RP2040GPIOPin : public InternalGPIOPin {
   void attach_interrupt(void (*func)(void *), void *arg, gpio::InterruptType type) const override;
 
   uint8_t pin_;
-  bool inverted_{};
-  gpio::Flags flags_{};
+  bool inverted_;
+  gpio::Flags flags_;
 };
 
 }  // namespace rp2040

esphome/components/rp2040/gpio.py

@@ -94,9 +94,6 @@ async def rp2040_pin_to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     num = config[CONF_NUMBER]
     cg.add(var.set_pin(num))
-    # Only set if true to avoid bloating setup() function
-    # (inverted bit in pin_flags_ bitfield is zero-initialized to false)
-    if config[CONF_INVERTED]:
-        cg.add(var.set_inverted(True))
+    cg.add(var.set_inverted(config[CONF_INVERTED]))
     cg.add(var.set_flags(pins.gpio_flags_expr(config[CONF_MODE])))
     return var

esphome/components/sensor/__init__.py

@@ -261,7 +261,6 @@ ExponentialMovingAverageFilter = sensor_ns.class_(
 )
 ThrottleAverageFilter = sensor_ns.class_("ThrottleAverageFilter", Filter, cg.Component)
 LambdaFilter = sensor_ns.class_("LambdaFilter", Filter)
-StatelessLambdaFilter = sensor_ns.class_("StatelessLambdaFilter", Filter)
 OffsetFilter = sensor_ns.class_("OffsetFilter", Filter)
 MultiplyFilter = sensor_ns.class_("MultiplyFilter", Filter)
 ValueListFilter = sensor_ns.class_("ValueListFilter", Filter)
@@ -574,7 +573,7 @@ async def lambda_filter_to_code(config, filter_id):
     lambda_ = await cg.process_lambda(
         config, [(float, "x")], return_type=cg.optional.template(float)
     )
-    return automation.new_lambda_pvariable(filter_id, lambda_, StatelessLambdaFilter)
+    return cg.new_Pvariable(filter_id, lambda_)
 
 
 DELTA_SCHEMA = cv.Schema(
@@ -879,9 +878,7 @@ async def setup_sensor_core_(var, config):
         cg.add(var.set_unit_of_measurement(unit_of_measurement))
     if (accuracy_decimals := config.get(CONF_ACCURACY_DECIMALS)) is not None:
         cg.add(var.set_accuracy_decimals(accuracy_decimals))
-    # Only set force_update if True (default is False)
-    if config[CONF_FORCE_UPDATE]:
-        cg.add(var.set_force_update(True))
+    cg.add(var.set_force_update(config[CONF_FORCE_UPDATE]))
     if config.get(CONF_FILTERS):  # must exist and not be empty
         filters = await build_filters(config[CONF_FILTERS])
         cg.add(var.set_filters(filters))

esphome/components/sensor/filter.h

@@ -296,21 +296,6 @@ class LambdaFilter : public Filter {
   lambda_filter_t lambda_filter_;
 };
 
-/** Optimized lambda filter for stateless lambdas (no capture).
- *
- * Uses function pointer instead of std::function to reduce memory overhead.
- * Memory: 4 bytes (function pointer on 32-bit) vs 32 bytes (std::function).
- */
-class StatelessLambdaFilter : public Filter {
- public:
-  explicit StatelessLambdaFilter(optional<float> (*lambda_filter)(float)) : lambda_filter_(lambda_filter) {}
-
-  optional<float> new_value(float value) override { return this->lambda_filter_(value); }
-
- protected:
-  optional<float> (*lambda_filter_)(float);
-};
-
 /// A simple filter that adds `offset` to each value it receives.
 class OffsetFilter : public Filter {
  public:

esphome/components/sntp/sntp_component.cpp

@@ -27,7 +27,7 @@ void SNTPComponent::setup() {
   esp_sntp_setoperatingmode(ESP_SNTP_OPMODE_POLL);
   size_t i = 0;
   for (auto &server : this->servers_) {
-    esp_sntp_setservername(i++, server);
+    esp_sntp_setservername(i++, server.c_str());
   }
   esp_sntp_set_sync_interval(this->get_update_interval());
   esp_sntp_set_time_sync_notification_cb([](struct timeval *tv) {
@@ -42,7 +42,7 @@ void SNTPComponent::setup() {
 
   size_t i = 0;
   for (auto &server : this->servers_) {
-    sntp_setservername(i++, server);
+    sntp_setservername(i++, server.c_str());
   }
 
 #if defined(USE_ESP8266)
@@ -59,7 +59,7 @@ void SNTPComponent::dump_config() {
   ESP_LOGCONFIG(TAG, "SNTP Time:");
   size_t i = 0;
   for (auto &server : this->servers_) {
-    ESP_LOGCONFIG(TAG, "  Server %zu: '%s'", i++, server);
+    ESP_LOGCONFIG(TAG, "  Server %zu: '%s'", i++, server.c_str());
   }
 }
 void SNTPComponent::update() {

esphome/components/sntp/sntp_component.h

@@ -2,14 +2,10 @@
 
 #include "esphome/core/component.h"
 #include "esphome/components/time/real_time_clock.h"
-#include <array>
 
 namespace esphome {
 namespace sntp {
 
-// Server count is calculated at compile time by Python codegen
-// SNTP_SERVER_COUNT will always be defined
-
 /// The SNTP component allows you to configure local timekeeping via Simple Network Time Protocol.
 ///
 /// \note
@@ -18,7 +14,10 @@ namespace sntp {
 /// \see https://www.gnu.org/software/libc/manual/html_node/TZ-Variable.html
 class SNTPComponent : public time::RealTimeClock {
  public:
-  SNTPComponent(const std::array<const char *, SNTP_SERVER_COUNT> &servers) : servers_(servers) {}
+  SNTPComponent(const std::vector<std::string> &servers) : servers_(servers) {}
+
+  // Note: set_servers() has been removed and replaced by a constructor - calling set_servers after setup would
+  // have had no effect anyway, and making the strings immutable avoids the need to strdup their contents.
 
   void setup() override;
   void dump_config() override;
@@ -30,10 +29,7 @@ class SNTPComponent : public time::RealTimeClock {
   void time_synced();
 
  protected:
-  // Store const char pointers to string literals
-  // ESP8266: strings in rodata (RAM), but avoids std::string overhead (~24 bytes each)
-  // Other platforms: strings in flash
-  std::array<const char *, SNTP_SERVER_COUNT> servers_;
+  std::vector<std::string> servers_;
   bool has_time_{false};
 
 #if defined(USE_ESP32)

esphome/components/sntp/time.py

@@ -43,11 +43,6 @@ CONFIG_SCHEMA = cv.All(
 
 async def to_code(config):
     servers = config[CONF_SERVERS]
-
-    # Define server count at compile time
-    cg.add_define("SNTP_SERVER_COUNT", len(servers))
-
-    # Pass string literals to constructor - stored in flash/rodata by compiler
     var = cg.new_Pvariable(config[CONF_ID], servers)
 
     await cg.register_component(var, config)

esphome/components/substitutions/__init__.py

@@ -1,6 +1,4 @@
 import logging
-from re import Match
-from typing import Any
 
 from esphome import core
 from esphome.config_helpers import Extend, Remove, merge_config, merge_dicts_ordered
@@ -41,34 +39,7 @@ async def to_code(config):
     pass
 
 
-def _restore_data_base(value: Any, orig_value: ESPHomeDataBase) -> ESPHomeDataBase:
-    """This function restores ESPHomeDataBase metadata held by the original string.
-    This is needed because during jinja evaluation, strings can be replaced by other types,
-    but we want to keep the original metadata for error reporting and source mapping.
-    For example, if a substitution replaces a string with a dictionary, we want that items
-    in the dictionary to still point to the original document location
-    """
-    if isinstance(value, ESPHomeDataBase):
-        return value
-    if isinstance(value, dict):
-        return {
-            _restore_data_base(k, orig_value): _restore_data_base(v, orig_value)
-            for k, v in value.items()
-        }
-    if isinstance(value, list):
-        return [_restore_data_base(v, orig_value) for v in value]
-    if isinstance(value, str):
-        return make_data_base(value, orig_value)
-    return value
-
-
-def _expand_jinja(
-    value: str | JinjaStr,
-    orig_value: str | JinjaStr,
-    path,
-    jinja: Jinja,
-    ignore_missing: bool,
-) -> Any:
+def _expand_jinja(value, orig_value, path, jinja, ignore_missing):
     if has_jinja(value):
         # If the original value passed in to this function is a JinjaStr, it means it contains an unresolved
         # Jinja expression from a previous pass.
@@ -94,17 +65,10 @@ def _expand_jinja(
                 f"\nSee {'->'.join(str(x) for x in path)}",
                 path,
             )
-        # If the original, unexpanded string, contained document metadata (ESPHomeDatabase),
-        # assign this same document metadata to the resulting value.
-        if isinstance(orig_value, ESPHomeDataBase):
-            value = _restore_data_base(value, orig_value)
-
     return value
 
 
-def _expand_substitutions(
-    substitutions: dict, value: str, path, jinja: Jinja, ignore_missing: bool
-) -> Any:
+def _expand_substitutions(substitutions, value, path, jinja, ignore_missing):
     if "$" not in value:
         return value
 
@@ -112,14 +76,14 @@ def _expand_substitutions(
 
     i = 0
     while True:
-        m: Match[str] = cv.VARIABLE_PROG.search(value, i)
+        m = cv.VARIABLE_PROG.search(value, i)
         if not m:
             # No more variable substitutions found. See if the remainder looks like a jinja template
             value = _expand_jinja(value, orig_value, path, jinja, ignore_missing)
             break
 
         i, j = m.span(0)
-        name: str = m.group(1)
+        name = m.group(1)
         if name.startswith("{") and name.endswith("}"):
             name = name[1:-1]
         if name not in substitutions:
@@ -134,7 +98,7 @@ def _expand_substitutions(
             i = j
             continue
 
-        sub: Any = substitutions[name]
+        sub = substitutions[name]
 
         if i == 0 and j == len(value):
             # The variable spans the whole expression, e.g., "${varName}". Return its resolved value directly
@@ -157,13 +121,7 @@ def _expand_substitutions(
     return value
 
 
-def _substitute_item(
-    substitutions: dict,
-    item: Any,
-    path: list[int | str],
-    jinja: Jinja,
-    ignore_missing: bool,
-) -> Any | None:
+def _substitute_item(substitutions, item, path, jinja, ignore_missing):
     if isinstance(item, ESPLiteralValue):
         return None  # do not substitute inside literal blocks
     if isinstance(item, list):
@@ -202,9 +160,7 @@ def _substitute_item(
     return None
 
 
-def do_substitution_pass(
-    config: dict, command_line_substitutions: dict, ignore_missing: bool = False
-) -> None:
+def do_substitution_pass(config, command_line_substitutions, ignore_missing=False):
     if CONF_SUBSTITUTIONS not in config and not command_line_substitutions:
         return
 

esphome/components/substitutions/jinja.py

@@ -1,14 +1,10 @@
 from ast import literal_eval
-from collections.abc import Iterator
-from itertools import chain, islice
 import logging
 import math
 import re
-from types import GeneratorType
-from typing import Any
 
 import jinja2 as jinja
-from jinja2.nativetypes import NativeCodeGenerator, NativeTemplate
+from jinja2.sandbox import SandboxedEnvironment
 
 from esphome.yaml_util import ESPLiteralValue
 
@@ -28,7 +24,7 @@ detect_jinja_re = re.compile(
 )
 
 
-def has_jinja(st: str) -> bool:
+def has_jinja(st):
     return detect_jinja_re.search(st) is not None
 
 
@@ -113,56 +109,12 @@ class TrackerContext(jinja.runtime.Context):
         return val
 
 
-def _concat_nodes_override(values: Iterator[Any]) -> Any:
-    """
-    This function customizes how Jinja preserves native types when concatenating
-    multiple result nodes together. If the result is a single node, its value
-    is returned. Otherwise, the nodes are concatenated as strings. If
-    the result can be parsed with `ast.literal_eval`, the parsed
-    value is returned. Otherwise, the string is returned.
-    This helps preserve metadata such as ESPHomeDataBase from original values
-    and mimicks how HomeAssistant deals with template evaluation and preserving
-    the original datatype.
-    """
-    head: list[Any] = list(islice(values, 2))
-
-    if not head:
-        return None
-
-    if len(head) == 1:
-        raw = head[0]
-        if not isinstance(raw, str):
-            return raw
-    else:
-        if isinstance(values, GeneratorType):
-            values = chain(head, values)
-        raw = "".join([str(v) for v in values])
-
-    try:
-        # Attempt to parse the concatenated string into a Python literal.
-        # This allows expressions like "1 + 2" to be evaluated to the integer 3.
-        # If the result is also a string or there is a parsing error,
-        # fall back to returning the raw string. This is consistent with
-        #  Home Assistant's behavior when evaluating templates
-        result = literal_eval(raw)
-        if not isinstance(result, str):
-            return result
-
-    except (ValueError, SyntaxError, MemoryError, TypeError):
-        pass
-    return raw
-
-
-class Jinja(jinja.Environment):
+class Jinja(SandboxedEnvironment):
     """
     Wraps a Jinja environment
     """
 
-    # jinja environment customization overrides
-    code_generator_class = NativeCodeGenerator
-    concat = staticmethod(_concat_nodes_override)
-
-    def __init__(self, context_vars: dict):
+    def __init__(self, context_vars):
         super().__init__(
             trim_blocks=True,
             lstrip_blocks=True,
@@ -190,10 +142,19 @@ class Jinja(jinja.Environment):
             **SAFE_GLOBALS,
         }
 
-    def expand(self, content_str: str | JinjaStr) -> Any:
+    def safe_eval(self, expr):
+        try:
+            result = literal_eval(expr)
+            if not isinstance(result, str):
+                return result
+        except (ValueError, SyntaxError, MemoryError, TypeError):
+            pass
+        return expr
+
+    def expand(self, content_str):
         """
         Renders a string that may contain Jinja expressions or statements
-        Returns the resulting value if all variables and expressions could be resolved.
+        Returns the resulting processed string if all values could be resolved.
         Otherwise, it returns a tagged (JinjaStr) string that captures variables
         in scope (upvalues), like a closure for later evaluation.
         """
@@ -211,7 +172,7 @@ class Jinja(jinja.Environment):
         self.context_trace = {}
         try:
             template = self.from_string(content_str)
-            result = template.render(override_vars)
+            result = self.safe_eval(template.render(override_vars))
             if isinstance(result, Undefined):
                 print("" + result)  # force a UndefinedError exception
         except (TemplateSyntaxError, UndefinedError) as err:
@@ -240,10 +201,3 @@ class Jinja(jinja.Environment):
             content_str.result = result
 
         return result, None
-
-
-class JinjaTemplate(NativeTemplate):
-    environment_class = Jinja
-
-
-Jinja.template_class = JinjaTemplate

esphome/components/template/binary_sensor/__init__.py

@@ -38,14 +38,8 @@ async def to_code(config):
         condition = await automation.build_condition(
             condition, cg.TemplateArguments(), []
         )
-        # Generate a stateless lambda that calls condition.check()
-        # capture="" is safe because condition is a global variable in generated C++ code
-        # and doesn't need to be captured. This allows implicit conversion to function pointer.
         template_ = LambdaExpression(
-            f"return {condition.check()};",
-            [],
-            return_type=cg.optional.template(bool),
-            capture="",
+            f"return {condition.check()};", [], return_type=cg.optional.template(bool)
         )
         cg.add(var.set_template(template_))
 

esphome/components/template/binary_sensor/template_binary_sensor.cpp

@@ -9,10 +9,10 @@ static const char *const TAG = "template.binary_sensor";
 void TemplateBinarySensor::setup() { this->loop(); }
 
 void TemplateBinarySensor::loop() {
-  if (!this->f_.has_value())
+  if (this->f_ == nullptr)
     return;
 
-  auto s = (*this->f_)();
+  auto s = this->f_();
   if (s.has_value()) {
     this->publish_state(*s);
   }

esphome/components/template/binary_sensor/template_binary_sensor.h

@@ -8,7 +8,7 @@ namespace template_ {
 
 class TemplateBinarySensor : public Component, public binary_sensor::BinarySensor {
  public:
-  void set_template(optional<bool> (*f)()) { this->f_ = f; }
+  void set_template(std::function<optional<bool>()> &&f) { this->f_ = f; }
 
   void setup() override;
   void loop() override;
@@ -17,7 +17,7 @@ class TemplateBinarySensor : public Component, public binary_sensor::BinarySenso
   float get_setup_priority() const override { return setup_priority::HARDWARE; }
 
  protected:
-  optional<optional<bool> (*)()> f_;
+  std::function<optional<bool>()> f_{nullptr};
 };
 
 }  // namespace template_

esphome/components/template/cover/template_cover.cpp

@@ -63,7 +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; }
+void TemplateCover::set_state_lambda(std::function<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_; }
@@ -124,7 +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_tilt_lambda(std::function<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

@@ -17,7 +17,7 @@ class TemplateCover : public cover::Cover, public Component {
  public:
   TemplateCover();
 
-  void set_state_lambda(optional<float> (*f)());
+  void set_state_lambda(std::function<optional<float>()> &&f);
   Trigger<> *get_open_trigger() const;
   Trigger<> *get_close_trigger() const;
   Trigger<> *get_stop_trigger() const;
@@ -26,7 +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_tilt_lambda(std::function<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);
@@ -45,8 +45,8 @@ class TemplateCover : public cover::Cover, public Component {
   void stop_prev_trigger_();
 
   TemplateCoverRestoreMode restore_mode_{COVER_RESTORE};
-  optional<optional<float> (*)()> state_f_;
-  optional<optional<float> (*)()> tilt_f_;
+  optional<std::function<optional<float>()>> state_f_;
+  optional<std::function<optional<float>()>> tilt_f_;
   bool assumed_state_{false};
   bool optimistic_{false};
   Trigger<> *open_trigger_;

esphome/components/template/datetime/template_date.h

@@ -15,7 +15,7 @@ namespace template_ {
 
 class TemplateDate : public datetime::DateEntity, public PollingComponent {
  public:
-  void set_template(optional<ESPTime> (*f)()) { this->f_ = f; }
+  void set_template(std::function<optional<ESPTime>()> &&f) { this->f_ = f; }
 
   void setup() override;
   void update() override;
@@ -35,7 +35,7 @@ class TemplateDate : public datetime::DateEntity, public PollingComponent {
   ESPTime initial_value_{};
   bool restore_value_{false};
   Trigger<ESPTime> *set_trigger_ = new Trigger<ESPTime>();
-  optional<optional<ESPTime> (*)()> f_;
+  optional<std::function<optional<ESPTime>()>> f_;
 
   ESPPreferenceObject pref_;
 };

esphome/components/template/datetime/template_datetime.h

@@ -15,7 +15,7 @@ namespace template_ {
 
 class TemplateDateTime : public datetime::DateTimeEntity, public PollingComponent {
  public:
-  void set_template(optional<ESPTime> (*f)()) { this->f_ = f; }
+  void set_template(std::function<optional<ESPTime>()> &&f) { this->f_ = f; }
 
   void setup() override;
   void update() override;
@@ -35,7 +35,7 @@ class TemplateDateTime : public datetime::DateTimeEntity, public PollingComponen
   ESPTime initial_value_{};
   bool restore_value_{false};
   Trigger<ESPTime> *set_trigger_ = new Trigger<ESPTime>();
-  optional<optional<ESPTime> (*)()> f_;
+  optional<std::function<optional<ESPTime>()>> f_;
 
   ESPPreferenceObject pref_;
 };

esphome/components/template/datetime/template_time.h

@@ -15,7 +15,7 @@ namespace template_ {
 
 class TemplateTime : public datetime::TimeEntity, public PollingComponent {
  public:
-  void set_template(optional<ESPTime> (*f)()) { this->f_ = f; }
+  void set_template(std::function<optional<ESPTime>()> &&f) { this->f_ = f; }
 
   void setup() override;
   void update() override;
@@ -35,7 +35,7 @@ class TemplateTime : public datetime::TimeEntity, public PollingComponent {
   ESPTime initial_value_{};
   bool restore_value_{false};
   Trigger<ESPTime> *set_trigger_ = new Trigger<ESPTime>();
-  optional<optional<ESPTime> (*)()> f_;
+  optional<std::function<optional<ESPTime>()>> f_;
 
   ESPPreferenceObject pref_;
 };

esphome/components/template/lock/template_lock.cpp

@@ -45,7 +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; }
+void TemplateLock::set_state_lambda(std::function<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

@@ -13,7 +13,7 @@ class TemplateLock : public lock::Lock, public Component {
 
   void dump_config() override;
 
-  void set_state_lambda(optional<lock::LockState> (*f)());
+  void set_state_lambda(std::function<optional<lock::LockState>()> &&f);
   Trigger<> *get_lock_trigger() const;
   Trigger<> *get_unlock_trigger() const;
   Trigger<> *get_open_trigger() const;
@@ -26,7 +26,7 @@ class TemplateLock : public lock::Lock, public Component {
   void control(const lock::LockCall &call) override;
   void open_latch() override;
 
-  optional<optional<lock::LockState> (*)()> f_;
+  optional<std::function<optional<lock::LockState>()>> f_;
   bool optimistic_{false};
   Trigger<> *lock_trigger_;
   Trigger<> *unlock_trigger_;

esphome/components/template/number/template_number.h

@@ -10,7 +10,7 @@ namespace template_ {
 
 class TemplateNumber : public number::Number, public PollingComponent {
  public:
-  void set_template(optional<float> (*f)()) { this->f_ = f; }
+  void set_template(std::function<optional<float>()> &&f) { this->f_ = f; }
 
   void setup() override;
   void update() override;
@@ -28,7 +28,7 @@ class TemplateNumber : public number::Number, public PollingComponent {
   float initial_value_{NAN};
   bool restore_value_{false};
   Trigger<float> *set_trigger_ = new Trigger<float>();
-  optional<optional<float> (*)()> f_;
+  optional<std::function<optional<float>()>> f_;
 
   ESPPreferenceObject pref_;
 };

esphome/components/template/select/__init__.py

@@ -73,18 +73,11 @@ async def to_code(config):
         cg.add(var.set_template(template_))
 
     else:
-        # Only set if non-default to avoid bloating setup() function
-        if config[CONF_OPTIMISTIC]:
-            cg.add(var.set_optimistic(True))
-        initial_option_index = config[CONF_OPTIONS].index(config[CONF_INITIAL_OPTION])
-        # Only set if non-zero to avoid bloating setup() function
-        # (initial_option_index_ is zero-initialized in the header)
-        if initial_option_index != 0:
-            cg.add(var.set_initial_option_index(initial_option_index))
+        cg.add(var.set_optimistic(config[CONF_OPTIMISTIC]))
+        cg.add(var.set_initial_option(config[CONF_INITIAL_OPTION]))
 
-        # Only set if True (default is False)
-        if config.get(CONF_RESTORE_VALUE):
-            cg.add(var.set_restore_value(True))
+        if CONF_RESTORE_VALUE in config:
+            cg.add(var.set_restore_value(config[CONF_RESTORE_VALUE]))
 
     if CONF_SET_ACTION in config:
         await automation.build_automation(

esphome/components/template/select/template_select.cpp

@@ -10,21 +10,26 @@ void TemplateSelect::setup() {
   if (this->f_.has_value())
     return;
 
-  size_t index = this->initial_option_index_;
-  if (this->restore_value_) {
-    this->pref_ = global_preferences->make_preference<size_t>(this->get_preference_hash());
-    size_t restored_index;
-    if (this->pref_.load(&restored_index) && this->has_index(restored_index)) {
-      index = restored_index;
-      ESP_LOGD(TAG, "State from restore: %s", this->at(index).value().c_str());
-    } else {
-      ESP_LOGD(TAG, "State from initial (could not load or invalid stored index): %s", this->at(index).value().c_str());
-    }
+  std::string value;
+  if (!this->restore_value_) {
+    value = this->initial_option_;
+    ESP_LOGD(TAG, "State from initial: %s", value.c_str());
   } else {
-    ESP_LOGD(TAG, "State from initial: %s", this->at(index).value().c_str());
+    size_t index;
+    this->pref_ = global_preferences->make_preference<size_t>(this->get_preference_hash());
+    if (!this->pref_.load(&index)) {
+      value = this->initial_option_;
+      ESP_LOGD(TAG, "State from initial (could not load stored index): %s", value.c_str());
+    } else if (!this->has_index(index)) {
+      value = this->initial_option_;
+      ESP_LOGD(TAG, "State from initial (restored index %d out of bounds): %s", index, value.c_str());
+    } else {
+      value = this->at(index).value();
+      ESP_LOGD(TAG, "State from restore: %s", value.c_str());
+    }
   }
 
-  this->publish_state(this->at(index).value());
+  this->publish_state(value);
 }
 
 void TemplateSelect::update() {
@@ -64,8 +69,7 @@ void TemplateSelect::dump_config() {
                 "  Optimistic: %s\n"
                 "  Initial Option: %s\n"
                 "  Restore Value: %s",
-                YESNO(this->optimistic_), this->at(this->initial_option_index_).value().c_str(),
-                YESNO(this->restore_value_));
+                YESNO(this->optimistic_), this->initial_option_.c_str(), YESNO(this->restore_value_));
 }
 
 }  // namespace template_

esphome/components/template/select/template_select.h

@@ -10,7 +10,7 @@ namespace template_ {
 
 class TemplateSelect : public select::Select, public PollingComponent {
  public:
-  void set_template(optional<std::string> (*f)()) { this->f_ = f; }
+  void set_template(std::function<optional<std::string>()> &&f) { this->f_ = f; }
 
   void setup() override;
   void update() override;
@@ -19,16 +19,16 @@ class TemplateSelect : public select::Select, public PollingComponent {
 
   Trigger<std::string> *get_set_trigger() const { return this->set_trigger_; }
   void set_optimistic(bool optimistic) { this->optimistic_ = optimistic; }
-  void set_initial_option_index(size_t initial_option_index) { this->initial_option_index_ = initial_option_index; }
+  void set_initial_option(const std::string &initial_option) { this->initial_option_ = initial_option; }
   void set_restore_value(bool restore_value) { this->restore_value_ = restore_value; }
 
  protected:
   void control(const std::string &value) override;
   bool optimistic_ = false;
-  size_t initial_option_index_{0};
+  std::string initial_option_;
   bool restore_value_ = false;
   Trigger<std::string> *set_trigger_ = new Trigger<std::string>();
-  optional<optional<std::string> (*)()> f_;
+  optional<std::function<optional<std::string>()>> f_;
 
   ESPPreferenceObject pref_;
 };

esphome/components/template/sensor/template_sensor.cpp

@@ -17,7 +17,7 @@ void TemplateSensor::update() {
   }
 }
 float TemplateSensor::get_setup_priority() const { return setup_priority::HARDWARE; }
-void TemplateSensor::set_template(optional<float> (*f)()) { this->f_ = f; }
+void TemplateSensor::set_template(std::function<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

@@ -8,7 +8,7 @@ namespace template_ {
 
 class TemplateSensor : public sensor::Sensor, public PollingComponent {
  public:
-  void set_template(optional<float> (*f)());
+  void set_template(std::function<optional<float>()> &&f);
 
   void update() override;
 
@@ -17,7 +17,7 @@ class TemplateSensor : public sensor::Sensor, public PollingComponent {
   float get_setup_priority() const override;
 
  protected:
-  optional<optional<float> (*)()> f_;
+  optional<std::function<optional<float>()>> f_;
 };
 
 }  // namespace template_

esphome/components/template/switch/template_switch.cpp

@@ -35,7 +35,7 @@ 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; }
+void TemplateSwitch::set_state_lambda(std::function<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_; }

esphome/components/template/switch/template_switch.h

@@ -14,7 +14,7 @@ class TemplateSwitch : public switch_::Switch, public Component {
   void setup() override;
   void dump_config() override;
 
-  void set_state_lambda(optional<bool> (*f)());
+  void set_state_lambda(std::function<optional<bool>()> &&f);
   Trigger<> *get_turn_on_trigger() const;
   Trigger<> *get_turn_off_trigger() const;
   void set_optimistic(bool optimistic);
@@ -28,7 +28,7 @@ class TemplateSwitch : public switch_::Switch, public Component {
 
   void write_state(bool state) override;
 
-  optional<optional<bool> (*)()> f_;
+  optional<std::function<optional<bool>()>> f_;
   bool optimistic_{false};
   bool assumed_state_{false};
   Trigger<> *turn_on_trigger_;

esphome/components/template/text/template_text.h

@@ -61,7 +61,7 @@ template<uint8_t SZ> class TextSaver : public TemplateTextSaverBase {
 
 class TemplateText : public text::Text, public PollingComponent {
  public:
-  void set_template(optional<std::string> (*f)()) { this->f_ = f; }
+  void set_template(std::function<optional<std::string>()> &&f) { this->f_ = f; }
 
   void setup() override;
   void update() override;
@@ -78,7 +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>();
-  optional<optional<std::string> (*)()> f_{nullptr};
+  optional<std::function<optional<std::string>()>> f_{nullptr};
 
   TemplateTextSaverBase *pref_ = nullptr;
 };

esphome/components/template/text_sensor/template_text_sensor.cpp

@@ -16,7 +16,7 @@ void TemplateTextSensor::update() {
   }
 }
 float TemplateTextSensor::get_setup_priority() const { return setup_priority::HARDWARE; }
-void TemplateTextSensor::set_template(optional<std::string> (*f)()) { this->f_ = f; }
+void TemplateTextSensor::set_template(std::function<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

@@ -9,7 +9,7 @@ namespace template_ {
 
 class TemplateTextSensor : public text_sensor::TextSensor, public PollingComponent {
  public:
-  void set_template(optional<std::string> (*f)());
+  void set_template(std::function<optional<std::string>()> &&f);
 
   void update() override;
 
@@ -18,7 +18,7 @@ class TemplateTextSensor : public text_sensor::TextSensor, public PollingCompone
   void dump_config() override;
 
  protected:
-  optional<optional<std::string> (*)()> f_{};
+  optional<std::function<optional<std::string>()>> f_{};
 };
 
 }  // namespace template_

esphome/components/template/valve/template_valve.cpp

@@ -55,7 +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; }
+void TemplateValve::set_state_lambda(std::function<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

@@ -17,7 +17,7 @@ class TemplateValve : public valve::Valve, public Component {
  public:
   TemplateValve();
 
-  void set_state_lambda(optional<float> (*f)());
+  void set_state_lambda(std::function<optional<float>()> &&f);
   Trigger<> *get_open_trigger() const;
   Trigger<> *get_close_trigger() const;
   Trigger<> *get_stop_trigger() const;
@@ -42,7 +42,7 @@ class TemplateValve : public valve::Valve, public Component {
   void stop_prev_trigger_();
 
   TemplateValveRestoreMode restore_mode_{VALVE_NO_RESTORE};
-  optional<optional<float> (*)()> state_f_;
+  optional<std::function<optional<float>()>> state_f_;
   bool assumed_state_{false};
   bool optimistic_{false};
   Trigger<> *open_trigger_;

esphome/components/text_sensor/__init__.py

@@ -57,7 +57,6 @@ validate_filters = cv.validate_registry("filter", FILTER_REGISTRY)
 # Filters
 Filter = text_sensor_ns.class_("Filter")
 LambdaFilter = text_sensor_ns.class_("LambdaFilter", Filter)
-StatelessLambdaFilter = text_sensor_ns.class_("StatelessLambdaFilter", Filter)
 ToUpperFilter = text_sensor_ns.class_("ToUpperFilter", Filter)
 ToLowerFilter = text_sensor_ns.class_("ToLowerFilter", Filter)
 AppendFilter = text_sensor_ns.class_("AppendFilter", Filter)
@@ -71,7 +70,7 @@ async def lambda_filter_to_code(config, filter_id):
     lambda_ = await cg.process_lambda(
         config, [(cg.std_string, "x")], return_type=cg.optional.template(cg.std_string)
     )
-    return automation.new_lambda_pvariable(filter_id, lambda_, StatelessLambdaFilter)
+    return cg.new_Pvariable(filter_id, lambda_)
 
 
 @FILTER_REGISTRY.register("to_upper", ToUpperFilter, {})

esphome/components/text_sensor/filter.h

@@ -62,21 +62,6 @@ class LambdaFilter : public Filter {
   lambda_filter_t lambda_filter_;
 };
 
-/** Optimized lambda filter for stateless lambdas (no capture).
- *
- * Uses function pointer instead of std::function to reduce memory overhead.
- * Memory: 4 bytes (function pointer on 32-bit) vs 32 bytes (std::function).
- */
-class StatelessLambdaFilter : public Filter {
- public:
-  explicit StatelessLambdaFilter(optional<std::string> (*lambda_filter)(std::string)) : lambda_filter_(lambda_filter) {}
-
-  optional<std::string> new_value(std::string value) override { return this->lambda_filter_(value); }
-
- protected:
-  optional<std::string> (*lambda_filter_)(std::string);
-};
-
 /// A simple filter that converts all text to uppercase
 class ToUpperFilter : public Filter {
  public:

esphome/components/tuya/climate/tuya_climate.cpp

@@ -67,9 +67,7 @@ void TuyaClimate::setup() {
   }
   if (this->eco_id_.has_value()) {
     this->parent_->register_listener(*this->eco_id_, [this](const TuyaDatapoint &datapoint) {
-      // Whether data type is BOOL or ENUM, it will still be a 1 or a 0, so the functions below are valid in both cases
       this->eco_ = datapoint.value_bool;
-      this->eco_type_ = datapoint.type;
       ESP_LOGV(TAG, "MCU reported eco is: %s", ONOFF(this->eco_));
       this->compute_preset_();
       this->compute_target_temperature_();
@@ -178,11 +176,7 @@ void TuyaClimate::control(const climate::ClimateCall &call) {
     if (this->eco_id_.has_value()) {
       const bool eco = preset == climate::CLIMATE_PRESET_ECO;
       ESP_LOGV(TAG, "Setting eco: %s", ONOFF(eco));
-      if (this->eco_type_ == TuyaDatapointType::ENUM) {
-        this->parent_->set_enum_datapoint_value(*this->eco_id_, eco);
-      } else {
-        this->parent_->set_boolean_datapoint_value(*this->eco_id_, eco);
-      }
+      this->parent_->set_boolean_datapoint_value(*this->eco_id_, eco);
     }
     if (this->sleep_id_.has_value()) {
       const bool sleep = preset == climate::CLIMATE_PRESET_SLEEP;

esphome/components/tuya/climate/tuya_climate.h

@@ -104,7 +104,6 @@ class TuyaClimate : public climate::Climate, public Component {
   optional<uint8_t> eco_id_{};
   optional<uint8_t> sleep_id_{};
   optional<float> eco_temperature_{};
-  TuyaDatapointType eco_type_{};
   uint8_t active_state_;
   uint8_t fan_state_;
   optional<uint8_t> swing_vertical_id_{};

esphome/components/uart/uart_component_esp_idf.cpp

@@ -99,26 +99,10 @@ void IDFUARTComponent::setup() {
 }
 
 void IDFUARTComponent::load_settings(bool dump_config) {
-  esp_err_t err;
-
-  if (uart_is_driver_installed(this->uart_num_)) {
-    err = uart_driver_delete(this->uart_num_);
-    if (err != ESP_OK) {
-      ESP_LOGW(TAG, "uart_driver_delete failed: %s", esp_err_to_name(err));
-      this->mark_failed();
-      return;
-    }
-  }
-  err = uart_driver_install(this->uart_num_,        // UART number
-                            this->rx_buffer_size_,  // RX ring buffer size
-                            0,   // TX ring buffer size. If zero, driver will not use a TX buffer and TX function will
-                                 // block task until all data has been sent out
-                            20,  // event queue size/depth
-                            &this->uart_event_queue_,  // event queue
-                            0                          // Flags used to allocate the interrupt
-  );
+  uart_config_t uart_config = this->get_config_();
+  esp_err_t err = uart_param_config(this->uart_num_, &uart_config);
   if (err != ESP_OK) {
-    ESP_LOGW(TAG, "uart_driver_install failed: %s", esp_err_to_name(err));
+    ESP_LOGW(TAG, "uart_param_config failed: %s", esp_err_to_name(err));
     this->mark_failed();
     return;
   }
@@ -135,12 +119,10 @@ void IDFUARTComponent::load_settings(bool dump_config) {
   int8_t flow_control = this->flow_control_pin_ != nullptr ? this->flow_control_pin_->get_pin() : -1;
 
   uint32_t invert = 0;
-  if (this->tx_pin_ != nullptr && this->tx_pin_->is_inverted()) {
+  if (this->tx_pin_ != nullptr && this->tx_pin_->is_inverted())
     invert |= UART_SIGNAL_TXD_INV;
-  }
-  if (this->rx_pin_ != nullptr && this->rx_pin_->is_inverted()) {
+  if (this->rx_pin_ != nullptr && this->rx_pin_->is_inverted())
     invert |= UART_SIGNAL_RXD_INV;
-  }
 
   err = uart_set_line_inverse(this->uart_num_, invert);
   if (err != ESP_OK) {
@@ -156,6 +138,26 @@ void IDFUARTComponent::load_settings(bool dump_config) {
     return;
   }
 
+  if (uart_is_driver_installed(this->uart_num_)) {
+    uart_driver_delete(this->uart_num_);
+    if (err != ESP_OK) {
+      ESP_LOGW(TAG, "uart_driver_delete failed: %s", esp_err_to_name(err));
+      this->mark_failed();
+      return;
+    }
+  }
+  err = uart_driver_install(this->uart_num_, /* UART RX ring buffer size. */ this->rx_buffer_size_,
+                            /* UART TX ring buffer size. If set to zero, driver will not use TX buffer, TX function will
+                               block task until all data have been sent out.*/
+                            0,
+                            /* UART event queue size/depth. */ 20, &(this->uart_event_queue_),
+                            /* Flags used to allocate the interrupt. */ 0);
+  if (err != ESP_OK) {
+    ESP_LOGW(TAG, "uart_driver_install failed: %s", esp_err_to_name(err));
+    this->mark_failed();
+    return;
+  }
+
   err = uart_set_rx_full_threshold(this->uart_num_, this->rx_full_threshold_);
   if (err != ESP_OK) {
     ESP_LOGW(TAG, "uart_set_rx_full_threshold failed: %s", esp_err_to_name(err));
@@ -171,32 +173,24 @@ void IDFUARTComponent::load_settings(bool dump_config) {
   }
 
   auto mode = this->flow_control_pin_ != nullptr ? UART_MODE_RS485_HALF_DUPLEX : UART_MODE_UART;
-  err = uart_set_mode(this->uart_num_, mode);  // per docs, must be called only after uart_driver_install()
+  err = uart_set_mode(this->uart_num_, mode);
   if (err != ESP_OK) {
     ESP_LOGW(TAG, "uart_set_mode failed: %s", esp_err_to_name(err));
     this->mark_failed();
     return;
   }
 
-  uart_config_t uart_config = this->get_config_();
-  err = uart_param_config(this->uart_num_, &uart_config);
-  if (err != ESP_OK) {
-    ESP_LOGW(TAG, "uart_param_config failed: %s", esp_err_to_name(err));
-    this->mark_failed();
-    return;
-  }
-
   if (dump_config) {
-    ESP_LOGCONFIG(TAG, "Reloaded UART %u", this->uart_num_);
+    ESP_LOGCONFIG(TAG, "UART %u was reloaded.", this->uart_num_);
     this->dump_config();
   }
 }
 
 void IDFUARTComponent::dump_config() {
   ESP_LOGCONFIG(TAG, "UART Bus %u:", this->uart_num_);
-  LOG_PIN("  TX Pin: ", this->tx_pin_);
-  LOG_PIN("  RX Pin: ", this->rx_pin_);
-  LOG_PIN("  Flow Control Pin: ", this->flow_control_pin_);
+  LOG_PIN("  TX Pin: ", tx_pin_);
+  LOG_PIN("  RX Pin: ", rx_pin_);
+  LOG_PIN("  Flow Control Pin: ", flow_control_pin_);
   if (this->rx_pin_ != nullptr) {
     ESP_LOGCONFIG(TAG,
                   "  RX Buffer Size: %u\n"

esphome/components/wifi/__init__.py

@@ -3,7 +3,7 @@ from esphome.automation import Condition
 import esphome.codegen as cg
 from esphome.components.const import CONF_USE_PSRAM
 from esphome.components.esp32 import add_idf_sdkconfig_option, const, get_esp32_variant
-from esphome.components.network import ip_address_literal
+from esphome.components.network import IPAddress
 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
@@ -140,21 +140,17 @@ EAP_AUTH_SCHEMA = cv.All(
     cv.has_at_least_one_key(CONF_IDENTITY, CONF_CERTIFICATE),
 )
 
-CONF_AP_TIMEOUT = "ap_timeout"
-CONF_SSID_DATA_ID = "ssid_data_id"
-CONF_PASSWORD_DATA_ID = "password_data_id"
-
 WIFI_NETWORK_BASE = cv.Schema(
     {
         cv.GenerateID(): cv.declare_id(WiFiAP),
-        cv.GenerateID(CONF_SSID_DATA_ID): cv.declare_id(cg.uint8),
-        cv.GenerateID(CONF_PASSWORD_DATA_ID): cv.declare_id(cg.uint8),
         cv.Optional(CONF_SSID): cv.ssid,
         cv.Optional(CONF_PASSWORD): validate_password,
         cv.Optional(CONF_CHANNEL): validate_channel,
         cv.Optional(CONF_MANUAL_IP): STA_MANUAL_IP_SCHEMA,
     }
 )
+
+CONF_AP_TIMEOUT = "ap_timeout"
 WIFI_NETWORK_AP = WIFI_NETWORK_BASE.extend(
     {
         cv.Optional(
@@ -338,7 +334,9 @@ def eap_auth(config):
 
 
 def safe_ip(ip):
-    return ip_address_literal(ip)
+    if ip is None:
+        return IPAddress(0, 0, 0, 0)
+    return IPAddress(str(ip))
 
 
 def manual_ip(config):
@@ -356,23 +354,9 @@ def manual_ip(config):
 
 def wifi_network(config, ap, static_ip):
     if CONF_SSID in config:
-        ssid = config[CONF_SSID]
-        if CORE.is_esp8266:
-            # On ESP8266, store SSID in PROGMEM to save RAM
-            prog_arr = cg.progmem_array(config[CONF_SSID_DATA_ID], ssid)
-            cg.add(ap.set_ssid_flash(prog_arr))
-        else:
-            # On ESP32/RP2040, string literals are already in rodata (flash)
-            cg.add(ap.set_ssid_flash(ssid))
+        cg.add(ap.set_ssid(config[CONF_SSID]))
     if CONF_PASSWORD in config:
-        password = config[CONF_PASSWORD]
-        if CORE.is_esp8266:
-            # On ESP8266, store password in PROGMEM to save RAM
-            prog_arr = cg.progmem_array(config[CONF_PASSWORD_DATA_ID], password)
-            cg.add(ap.set_password_flash(prog_arr))
-        else:
-            # On ESP32/RP2040, string literals are already in rodata (flash)
-            cg.add(ap.set_password_flash(password))
+        cg.add(ap.set_password(config[CONF_PASSWORD]))
     if CONF_EAP in config:
         cg.add(ap.set_eap(eap_auth(config[CONF_EAP])))
         cg.add_define("USE_WIFI_WPA2_EAP")

esphome/components/wifi/wifi_component.cpp

@@ -888,68 +888,19 @@ void WiFiComponent::save_fast_connect_settings_() {
 }
 #endif
 
-void WiFiAP::set_ssid(const std::string &ssid) {
-  this->ssid_storage_ = ssid;
-  this->ssid_ = this->ssid_storage_->c_str();
-}
+void WiFiAP::set_ssid(const std::string &ssid) { this->ssid_ = ssid; }
 void WiFiAP::set_bssid(bssid_t bssid) { this->bssid_ = bssid; }
 void WiFiAP::set_bssid(optional<bssid_t> bssid) { this->bssid_ = bssid; }
-void WiFiAP::set_password(const std::string &password) {
-  this->password_storage_ = password;
-  this->password_ = this->password_storage_->c_str();
-}
-#ifdef USE_ESP8266
-void WiFiAP::set_ssid_flash(const uint8_t *ssid) {
-  this->ssid_storage_.reset();
-  this->ssid_ = reinterpret_cast<const char *>(ssid);
-}
-void WiFiAP::set_password_flash(const uint8_t *password) {
-  this->password_storage_.reset();
-  this->password_ = reinterpret_cast<const char *>(password);
-}
-#else
-void WiFiAP::set_ssid_flash(const char *ssid) {
-  this->ssid_storage_.reset();
-  this->ssid_ = ssid;
-}
-void WiFiAP::set_password_flash(const char *password) {
-  this->password_storage_.reset();
-  this->password_ = password;
-}
-#endif
+void WiFiAP::set_password(const std::string &password) { this->password_ = password; }
 #ifdef USE_WIFI_WPA2_EAP
 void WiFiAP::set_eap(optional<EAPAuth> eap_auth) { this->eap_ = std::move(eap_auth); }
 #endif
 void WiFiAP::set_channel(optional<uint8_t> channel) { this->channel_ = channel; }
 void WiFiAP::set_manual_ip(optional<ManualIP> manual_ip) { this->manual_ip_ = manual_ip; }
 void WiFiAP::set_hidden(bool hidden) { this->hidden_ = hidden; }
-std::string WiFiAP::get_ssid() const {
-#ifdef USE_ESP8266
-  if (!this->ssid_storage_.has_value()) {
-    // Flash storage - read from PROGMEM
-    size_t len = strlen_P(this->ssid_);
-    std::string result;
-    result.resize(len);
-    memcpy_P(&result[0], this->ssid_, len);
-    return result;
-  }
-#endif
-  return std::string(this->ssid_);
-}
+const std::string &WiFiAP::get_ssid() const { return this->ssid_; }
 const optional<bssid_t> &WiFiAP::get_bssid() const { return this->bssid_; }
-std::string WiFiAP::get_password() const {
-#ifdef USE_ESP8266
-  if (!this->password_storage_.has_value()) {
-    // Flash storage - read from PROGMEM
-    size_t len = strlen_P(this->password_);
-    std::string result;
-    result.resize(len);
-    memcpy_P(&result[0], this->password_, len);
-    return result;
-  }
-#endif
-  return std::string(this->password_);
-}
+const std::string &WiFiAP::get_password() const { return this->password_; }
 #ifdef USE_WIFI_WPA2_EAP
 const optional<EAPAuth> &WiFiAP::get_eap() const { return this->eap_; }
 #endif

esphome/components/wifi/wifi_component.h

@@ -135,18 +135,6 @@ class WiFiAP {
   void set_bssid(bssid_t bssid);
   void set_bssid(optional<bssid_t> bssid);
   void set_password(const std::string &password);
-  /// Set SSID from flash string (PROGMEM on ESP8266, rodata on ESP32)
-#ifdef USE_ESP8266
-  void set_ssid_flash(const uint8_t *ssid);
-#else
-  void set_ssid_flash(const char *ssid);
-#endif
-  /// Set password from flash string (PROGMEM on ESP8266, rodata on ESP32)
-#ifdef USE_ESP8266
-  void set_password_flash(const uint8_t *password);
-#else
-  void set_password_flash(const char *password);
-#endif
 #ifdef USE_WIFI_WPA2_EAP
   void set_eap(optional<EAPAuth> eap_auth);
 #endif  // USE_WIFI_WPA2_EAP
@@ -154,9 +142,9 @@ class WiFiAP {
   void set_priority(float priority) { priority_ = priority; }
   void set_manual_ip(optional<ManualIP> manual_ip);
   void set_hidden(bool hidden);
-  std::string get_ssid() const;
+  const std::string &get_ssid() const;
   const optional<bssid_t> &get_bssid() const;
-  std::string get_password() const;
+  const std::string &get_password() const;
 #ifdef USE_WIFI_WPA2_EAP
   const optional<EAPAuth> &get_eap() const;
 #endif  // USE_WIFI_WPA2_EAP
@@ -166,10 +154,8 @@ class WiFiAP {
   bool get_hidden() const;
 
  protected:
-  const char *ssid_{nullptr};
-  const char *password_{nullptr};
-  optional<std::string> ssid_storage_;
-  optional<std::string> password_storage_;
+  std::string ssid_;
+  std::string password_;
   optional<bssid_t> bssid_;
 #ifdef USE_WIFI_WPA2_EAP
   optional<EAPAuth> eap_;

esphome/components/wifi/wifi_component_esp8266.cpp

@@ -236,25 +236,16 @@ bool WiFiComponent::wifi_sta_connect_(const WiFiAP &ap) {
 
   struct station_config conf {};
   memset(&conf, 0, sizeof(conf));
-
-  std::string ssid = ap.get_ssid();
-  std::string password = ap.get_password();
-
-  size_t ssid_len = ssid.length();
-  size_t password_len = password.length();
-
-  if (ssid_len > sizeof(conf.ssid)) {
+  if (ap.get_ssid().size() > sizeof(conf.ssid)) {
     ESP_LOGE(TAG, "SSID too long");
     return false;
   }
-
-  if (password_len > sizeof(conf.password)) {
+  if (ap.get_password().size() > sizeof(conf.password)) {
     ESP_LOGE(TAG, "Password too long");
     return false;
   }
-
-  memcpy(conf.ssid, ssid.c_str(), ssid_len);
-  memcpy(conf.password, password.c_str(), password_len);
+  memcpy(reinterpret_cast<char *>(conf.ssid), ap.get_ssid().c_str(), ap.get_ssid().size());
+  memcpy(reinterpret_cast<char *>(conf.password), ap.get_password().c_str(), ap.get_password().size());
 
   if (ap.get_bssid().has_value()) {
     conf.bssid_set = 1;
@@ -800,35 +791,27 @@ bool WiFiComponent::wifi_start_ap_(const WiFiAP &ap) {
     return false;
 
   struct softap_config conf {};
-
-  std::string ssid = ap.get_ssid();
-  std::string password = ap.get_password();
-
-  size_t ssid_len = ssid.length();
-  size_t password_len = password.length();
-
-  if (ssid_len > sizeof(conf.ssid)) {
+  if (ap.get_ssid().size() > sizeof(conf.ssid)) {
     ESP_LOGE(TAG, "AP SSID too long");
     return false;
   }
-
-  memcpy(conf.ssid, ssid.c_str(), ssid_len);
-  conf.ssid_len = static_cast<uint8>(ssid_len);
+  memcpy(reinterpret_cast<char *>(conf.ssid), ap.get_ssid().c_str(), ap.get_ssid().size());
+  conf.ssid_len = static_cast<uint8>(ap.get_ssid().size());
   conf.channel = ap.get_channel().value_or(1);
   conf.ssid_hidden = ap.get_hidden();
   conf.max_connection = 5;
   conf.beacon_interval = 100;
 
-  if (password_len == 0) {
+  if (ap.get_password().empty()) {
     conf.authmode = AUTH_OPEN;
     *conf.password = 0;
   } else {
     conf.authmode = AUTH_WPA2_PSK;
-    if (password_len > sizeof(conf.password)) {
+    if (ap.get_password().size() > sizeof(conf.password)) {
       ESP_LOGE(TAG, "AP password too long");
       return false;
     }
-    memcpy(conf.password, password.c_str(), password_len);
+    memcpy(reinterpret_cast<char *>(conf.password), ap.get_password().c_str(), ap.get_password().size());
   }
 
   ETS_UART_INTR_DISABLE();

esphome/components/zephyr/gpio.h

@@ -26,10 +26,10 @@ class ZephyrGPIOPin : public InternalGPIOPin {
  protected:
   void attach_interrupt(void (*func)(void *), void *arg, gpio::InterruptType type) const override;
   uint8_t pin_;
-  bool inverted_{};
-  gpio::Flags flags_{};
-  const device *gpio_{nullptr};
-  bool value_{false};
+  bool inverted_;
+  gpio::Flags flags_;
+  const device *gpio_ = nullptr;
+  bool value_ = false;
 };
 
 }  // namespace zephyr

esphome/core/automation.h

@@ -4,8 +4,6 @@
 #include "esphome/core/defines.h"
 #include "esphome/core/helpers.h"
 #include "esphome/core/preferences.h"
-#include <concepts>
-#include <functional>
 #include <utility>
 #include <vector>
 
@@ -29,20 +27,11 @@ template<typename T, typename... X> class TemplatableValue {
  public:
   TemplatableValue() : type_(NONE) {}
 
-  template<typename F> TemplatableValue(F value) requires(!std::invocable<F, X...>) : type_(VALUE) {
+  template<typename F, enable_if_t<!is_invocable<F, X...>::value, int> = 0> TemplatableValue(F value) : type_(VALUE) {
     new (&this->value_) T(std::move(value));
   }
 
-  // For stateless lambdas (convertible to function pointer): use function pointer
-  template<typename F>
-  TemplatableValue(F f) requires std::invocable<F, X...> && std::convertible_to<F, T (*)(X...)>
-      : type_(STATELESS_LAMBDA) {
-    this->stateless_f_ = f;  // Implicit conversion to function pointer
-  }
-
-  // For stateful lambdas (not convertible to function pointer): use std::function
-  template<typename F>
-  TemplatableValue(F f) requires std::invocable<F, X...> &&(!std::convertible_to<F, T (*)(X...)>) : type_(LAMBDA) {
+  template<typename F, enable_if_t<is_invocable<F, X...>::value, int> = 0> TemplatableValue(F f) : type_(LAMBDA) {
     this->f_ = new std::function<T(X...)>(std::move(f));
   }
 
@@ -52,8 +41,6 @@ template<typename T, typename... X> class TemplatableValue {
       new (&this->value_) T(other.value_);
     } else if (type_ == LAMBDA) {
       this->f_ = new std::function<T(X...)>(*other.f_);
-    } else if (type_ == STATELESS_LAMBDA) {
-      this->stateless_f_ = other.stateless_f_;
     }
   }
 
@@ -64,8 +51,6 @@ template<typename T, typename... X> class TemplatableValue {
     } else if (type_ == LAMBDA) {
       this->f_ = other.f_;
       other.f_ = nullptr;
-    } else if (type_ == STATELESS_LAMBDA) {
-      this->stateless_f_ = other.stateless_f_;
     }
     other.type_ = NONE;
   }
@@ -93,23 +78,16 @@ template<typename T, typename... X> class TemplatableValue {
     } else if (type_ == LAMBDA) {
       delete this->f_;
     }
-    // STATELESS_LAMBDA/NONE: no cleanup needed (function pointer or empty, not heap-allocated)
   }
 
   bool has_value() { return this->type_ != NONE; }
 
   T value(X... x) {
-    switch (this->type_) {
-      case STATELESS_LAMBDA:
-        return this->stateless_f_(x...);  // Direct function pointer call
-      case LAMBDA:
-        return (*this->f_)(x...);  // std::function call
-      case VALUE:
-        return this->value_;
-      case NONE:
-      default:
-        return T{};
+    if (this->type_ == LAMBDA) {
+      return (*this->f_)(x...);
     }
+    // return value also when none
+    return this->type_ == VALUE ? this->value_ : T{};
   }
 
   optional<T> optional_value(X... x) {
@@ -131,13 +109,11 @@ template<typename T, typename... X> class TemplatableValue {
     NONE,
     VALUE,
     LAMBDA,
-    STATELESS_LAMBDA,
   } type_;
 
   union {
     T value_;
     std::function<T(X...)> *f_;
-    T (*stateless_f_)(X...);
   };
 };
 

esphome/core/base_automation.h

@@ -79,18 +79,6 @@ template<typename... Ts> class LambdaCondition : public Condition<Ts...> {
   std::function<bool(Ts...)> f_;
 };
 
-/// Optimized lambda condition for stateless lambdas (no capture).
-/// Uses function pointer instead of std::function to reduce memory overhead.
-/// Memory: 4 bytes (function pointer on 32-bit) vs 32 bytes (std::function).
-template<typename... Ts> class StatelessLambdaCondition : public Condition<Ts...> {
- public:
-  explicit StatelessLambdaCondition(bool (*f)(Ts...)) : f_(f) {}
-  bool check(Ts... x) override { return this->f_(x...); }
-
- protected:
-  bool (*f_)(Ts...);
-};
-
 template<typename... Ts> class ForCondition : public Condition<Ts...>, public Component {
  public:
   explicit ForCondition(Condition<> *condition) : condition_(condition) {}
@@ -202,19 +190,6 @@ template<typename... Ts> class LambdaAction : public Action<Ts...> {
   std::function<void(Ts...)> f_;
 };
 
-/// Optimized lambda action for stateless lambdas (no capture).
-/// Uses function pointer instead of std::function to reduce memory overhead.
-/// Memory: 4 bytes (function pointer on 32-bit) vs 32 bytes (std::function).
-template<typename... Ts> class StatelessLambdaAction : public Action<Ts...> {
- public:
-  explicit StatelessLambdaAction(void (*f)(Ts...)) : f_(f) {}
-
-  void play(Ts... x) override { this->f_(x...); }
-
- protected:
-  void (*f_)(Ts...);
-};
-
 template<typename... Ts> class IfAction : public Action<Ts...> {
  public:
   explicit IfAction(Condition<Ts...> *condition) : condition_(condition) {}

esphome/core/defines.h

@@ -87,7 +87,6 @@
 #define USE_MDNS_STORE_SERVICES
 #define MDNS_SERVICE_COUNT 3
 #define MDNS_DYNAMIC_TXT_COUNT 3
-#define SNTP_SERVER_COUNT 3
 #define USE_MEDIA_PLAYER
 #define USE_NEXTION_TFT_UPLOAD
 #define USE_NUMBER
@@ -123,7 +122,6 @@
 #define USE_API_NOISE
 #define USE_API_PLAINTEXT
 #define USE_API_SERVICES
-#define USE_API_CUSTOM_SERVICES
 #define API_MAX_SEND_QUEUE 8
 #define USE_MD5
 #define USE_SHA256

esphome/core/entity_helpers.py

@@ -105,9 +105,7 @@ async def setup_entity(var: MockObj, config: ConfigType, platform: str) -> None:
         config[CONF_NAME],
         platform,
     )
-    # Only set disabled_by_default if True (default is False)
-    if config[CONF_DISABLED_BY_DEFAULT]:
-        add(var.set_disabled_by_default(True))
+    add(var.set_disabled_by_default(config[CONF_DISABLED_BY_DEFAULT]))
     if CONF_INTERNAL in config:
         add(var.set_internal(config[CONF_INTERNAL]))
     if CONF_ICON in config:

esphome/core/time.cpp

@@ -46,18 +46,24 @@ struct tm ESPTime::to_c_tm() {
   return c_tm;
 }
 
-std::string ESPTime::strftime(const char *format) {
+std::string ESPTime::strftime(const std::string &format) {
+  std::string timestr;
+  timestr.resize(format.size() * 4);
   struct tm c_tm = this->to_c_tm();
-  char buf[128];
-  size_t len = ::strftime(buf, sizeof(buf), format, &c_tm);
-  if (len > 0) {
-    return std::string(buf, len);
+  size_t len = ::strftime(&timestr[0], timestr.size(), format.c_str(), &c_tm);
+  while (len == 0) {
+    if (timestr.size() >= 128) {
+      // strftime has failed for reasons unrelated to the size of the buffer
+      // so return a formatting error
+      return "ERROR";
+    }
+    timestr.resize(timestr.size() * 2);
+    len = ::strftime(&timestr[0], timestr.size(), format.c_str(), &c_tm);
   }
-  return "ERROR";
+  timestr.resize(len);
+  return timestr;
 }
 
-std::string ESPTime::strftime(const std::string &format) { return this->strftime(format.c_str()); }
-
 bool ESPTime::strptime(const std::string &time_to_parse, ESPTime &esp_time) {
   uint16_t year;
   uint8_t month;

esphome/core/time.h

@@ -44,19 +44,17 @@ struct ESPTime {
   size_t strftime(char *buffer, size_t buffer_len, const char *format);
 
   /** Convert this ESPTime struct to a string as specified by the format argument.
-   * @see https://en.cppreference.com/w/c/chrono/strftime
+   * @see https://www.gnu.org/software/libc/manual/html_node/Formatting-Calendar-Time.html#index-strftime
    *
-   * @warning This method returns a dynamically allocated string which can cause heap fragmentation with some
+   * @warning This method uses dynamically allocated strings which can cause heap fragmentation with some
    * microcontrollers.
    *
-   * @warning This method can return "ERROR" when the underlying strftime() call fails or when the
-   * output exceeds 128 bytes.
+   * @warning This method can return "ERROR" when the underlying strftime() call fails, e.g. when the
+   * format string contains unsupported specifiers or when the format string doesn't produce any
+   * output.
    */
   std::string strftime(const std::string &format);
 
-  /// @copydoc strftime(const std::string &format)
-  std::string strftime(const char *format);
-
   /// Check if this ESPTime is valid (all fields in range and year is greater than 2018)
   bool is_valid() const { return this->year >= 2019 && this->fields_in_range(); }
 

esphome/cpp_generator.py

@@ -198,8 +198,6 @@ class LambdaExpression(Expression):
         self.return_type = safe_exp(return_type) if return_type is not None else None
 
     def __str__(self):
-        # Stateless lambdas (empty capture) implicitly convert to function pointers
-        # when assigned to function pointer types - no unary + needed
         cpp = f"[{self.capture}]({self.parameters})"
         if self.return_type is not None:
             cpp += f" -> {self.return_type}"
@@ -702,12 +700,6 @@ async def process_lambda(
             parts[i * 3 + 1] = var
         parts[i * 3 + 2] = ""
 
-    # All id() references are global variables in generated C++ code.
-    # Global variables should not be captured - they're accessible everywhere.
-    # Use empty capture instead of capture-by-value.
-    if capture == "=":
-        capture = ""
-
     if isinstance(value, ESPHomeDataBase) and value.esp_range is not None:
         location = value.esp_range.start_mark
         location.line += value.content_offset

esphome/cpp_types.py

@@ -23,7 +23,6 @@ size_t = global_ns.namespace("size_t")
 const_char_ptr = global_ns.namespace("const char *")
 NAN = global_ns.namespace("NAN")
 esphome_ns = global_ns  # using namespace esphome;
-FixedVector = esphome_ns.class_("FixedVector")
 App = esphome_ns.App
 EntityBase = esphome_ns.class_("EntityBase")
 Component = esphome_ns.class_("Component")

esphome/helpers.py

@@ -224,37 +224,36 @@ def resolve_ip_address(
         return res
 
     # Process hosts
-
+    cached_addresses: list[str] = []
     uncached_hosts: list[str] = []
+    has_cache = address_cache is not None
 
     for h in hosts:
         if is_ip_address(h):
-            _add_ip_addresses_to_addrinfo([h], port, res)
+            if has_cache:
+                # If we have a cache, treat IPs as cached
+                cached_addresses.append(h)
+            else:
+                # If no cache, pass IPs through to resolver with hostnames
+                uncached_hosts.append(h)
         elif address_cache and (cached := address_cache.get_addresses(h)):
-            _add_ip_addresses_to_addrinfo(cached, port, res)
+            # Found in cache
+            cached_addresses.extend(cached)
         else:
             # Not cached, need to resolve
             if address_cache and address_cache.has_cache():
                 _LOGGER.info("Host %s not in cache, will need to resolve", h)
             uncached_hosts.append(h)
 
+    # Process cached addresses (includes direct IPs and cached lookups)
+    _add_ip_addresses_to_addrinfo(cached_addresses, port, res)
+
     # If we have uncached hosts (only non-IP hostnames), resolve them
     if uncached_hosts:
-        from aioesphomeapi.host_resolver import AddrInfo as AioAddrInfo
-
-        from esphome.core import EsphomeError
         from esphome.resolver import AsyncResolver
 
         resolver = AsyncResolver(uncached_hosts, port)
-        addr_infos: list[AioAddrInfo] = []
-        try:
-            addr_infos = resolver.resolve()
-        except EsphomeError as err:
-            if not res:
-                # No pre-resolved addresses available, DNS resolution is fatal
-                raise
-            _LOGGER.info("%s (using %d already resolved IP addresses)", err, len(res))
-
+        addr_infos = resolver.resolve()
         # Convert aioesphomeapi AddrInfo to our format
         for addr_info in addr_infos:
             sockaddr = addr_info.sockaddr

esphome/mqtt.py

@@ -120,7 +120,7 @@ def prepare(
                 cert_file.flush()
                 key_file.write(config[CONF_MQTT].get(CONF_CLIENT_CERTIFICATE_KEY))
                 key_file.flush()
-                context.load_cert_chain(cert_file.name, key_file.name)
+                context.load_cert_chain(cert_file, key_file)
         client.tls_set_context(context)
 
     try:

pyproject.toml

@@ -19,9 +19,7 @@ classifiers = [
     "Programming Language :: Python :: 3",
     "Topic :: Home Automation",
 ]
-
-# Python 3.14 is currently not supported by IDF <= 5.5.1, see https://github.com/esphome/esphome/issues/11502
-requires-python = ">=3.11.0,<3.14"
+requires-python = ">=3.11.0"
 
 dynamic = ["dependencies", "optional-dependencies", "version"]
 

requirements.txt

@@ -15,7 +15,7 @@ esphome-dashboard==20251013.0
 aioesphomeapi==42.3.0
 zeroconf==0.148.0
 puremagic==1.30
-ruamel.yaml==0.18.16 # dashboard_import
+ruamel.yaml==0.18.15 # dashboard_import
 ruamel.yaml.clib==0.2.14 # dashboard_import
 esphome-glyphsets==0.2.0
 pillow==11.3.0

script/analyze_component_buses.py

@@ -77,7 +77,6 @@ ISOLATED_COMPONENTS = {
     "esphome": "Defines devices/areas in esphome: section that are referenced in other sections - breaks when merged",
     "ethernet": "Defines ethernet: which conflicts with wifi: used by most components",
     "ethernet_info": "Related to ethernet component which conflicts with wifi",
-    "gps": "TinyGPSPlus library declares millis() function that creates ambiguity with ESPHome millis() macro when merged with components using millis() in lambdas",
     "lvgl": "Defines multiple SDL displays on host platform that conflict when merged with other display configs",
     "mapping": "Uses dict format for image/display sections incompatible with standard list format - ESPHome merge_config cannot handle",
     "openthread": "Conflicts with wifi: used by most components",

tests/component_tests/text/test_text.py

@@ -58,7 +58,7 @@ def test_text_config_value_mode_set(generate_main):
 
 def test_text_config_lamda_is_set(generate_main):
     """
-    Test if lambda is set for lambda mode (optimized with stateless lambda)
+    Test if lambda is set for lambda mode
     """
     # Given
 
@@ -66,5 +66,5 @@ def test_text_config_lamda_is_set(generate_main):
     main_cpp = generate_main("tests/component_tests/text/test_text.yaml")
 
     # Then
-    assert "it_4->set_template([]() -> esphome::optional<std::string> {" in main_cpp
+    assert "it_4->set_template([=]() -> esphome::optional<std::string> {" in main_cpp
     assert 'return std::string{"Hello"};' in main_cpp

tests/components/absolute_humidity/common.yaml

@@ -6,14 +6,14 @@ sensor:
   - platform: template
     id: template_humidity
     lambda: |-
-      if (millis() > 10000) {
+      if (esphome::millis() > 10000) {
         return 0.6;
       }
       return 0.0;
   - platform: template
     id: template_temperature
     lambda: |-
-      if (millis() > 10000) {
+      if (esphome::millis() > 10000) {
         return 42.0;
       }
       return 0.0;

tests/components/analog_threshold/common.yaml

@@ -3,7 +3,7 @@ sensor:
     id: template_sensor
     name: Template Sensor
     lambda: |-
-      if (millis() > 10000) {
+      if (esphome::millis() > 10000) {
         return 42.0;
       }
       return 0.0;