Merge pull request #9933 from esphome/bump-2025.7.4

2025.7.4

Doxyfile

@@ -48,7 +48,7 @@ PROJECT_NAME           = ESPHome
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 2025.7.0b3
+PROJECT_NUMBER         = 2025.7.4
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a

esphome/components/api/homeassistant_service.h

@@ -11,6 +11,18 @@ namespace esphome {
 namespace api {
 
 template<typename... X> class TemplatableStringValue : public TemplatableValue<std::string, X...> {
+ private:
+  // Helper to convert value to string - handles the case where value is already a string
+  template<typename T> static std::string value_to_string(T &&val) { return to_string(std::forward<T>(val)); }
+
+  // Overloads for string types - needed because std::to_string doesn't support them
+  static std::string value_to_string(char *val) {
+    return val ? std::string(val) : std::string();
+  }  // For lambdas returning char* (e.g., itoa)
+  static std::string value_to_string(const char *val) { return std::string(val); }  // For lambdas returning .c_str()
+  static std::string value_to_string(const std::string &val) { return val; }
+  static std::string value_to_string(std::string &&val) { return std::move(val); }
+
  public:
   TemplatableStringValue() : TemplatableValue<std::string, X...>() {}
 
@@ -19,7 +31,7 @@ template<typename... X> class TemplatableStringValue : public TemplatableValue<s
 
   template<typename F, enable_if_t<is_invocable<F, X...>::value, int> = 0>
   TemplatableStringValue(F f)
-      : TemplatableValue<std::string, X...>([f](X... x) -> std::string { return to_string(f(x...)); }) {}
+      : TemplatableValue<std::string, X...>([f](X... x) -> std::string { return value_to_string(f(x...)); }) {}
 };
 
 template<typename... Ts> class TemplatableKeyValuePair {

esphome/components/as3935_spi/as3935_spi.h

@@ -3,8 +3,6 @@
 #include "esphome/core/component.h"
 #include "esphome/components/as3935/as3935.h"
 #include "esphome/components/spi/spi.h"
-#include "esphome/components/sensor/sensor.h"
-#include "esphome/components/binary_sensor/binary_sensor.h"
 
 namespace esphome {
 namespace as3935_spi {

esphome/components/async_tcp/__init__.py

@@ -31,7 +31,7 @@ CONFIG_SCHEMA = cv.All(
 async def to_code(config):
     if CORE.is_esp32 or CORE.is_libretiny:
         # https://github.com/ESP32Async/AsyncTCP
-        cg.add_library("ESP32Async/AsyncTCP", "3.4.4")
+        cg.add_library("ESP32Async/AsyncTCP", "3.4.5")
     elif CORE.is_esp8266:
         # https://github.com/ESP32Async/ESPAsyncTCP
         cg.add_library("ESP32Async/ESPAsyncTCP", "2.0.0")

esphome/components/bme680_bsec/__init__.py

@@ -1,7 +1,7 @@
 import esphome.codegen as cg
 from esphome.components import esp32, i2c
 import esphome.config_validation as cv
-from esphome.const import CONF_ID, CONF_SAMPLE_RATE, CONF_TEMPERATURE_OFFSET
+from esphome.const import CONF_ID, CONF_SAMPLE_RATE, CONF_TEMPERATURE_OFFSET, Framework
 
 CODEOWNERS = ["@trvrnrth"]
 DEPENDENCIES = ["i2c"]
@@ -56,7 +56,15 @@ CONFIG_SCHEMA = cv.All(
             ): cv.positive_time_period_minutes,
         }
     ).extend(i2c.i2c_device_schema(0x76)),
-    cv.only_with_arduino,
+    cv.only_with_framework(
+        frameworks=Framework.ARDUINO,
+        suggestions={
+            Framework.ESP_IDF: (
+                "bme68x_bsec2_i2c",
+                "sensor/bme68x_bsec2",
+            )
+        },
+    ),
     cv.Any(
         cv.only_on_esp8266,
         cv.All(

esphome/components/e131/e131_packet.cpp

@@ -4,6 +4,7 @@
 #include "esphome/components/network/ip_address.h"
 #include "esphome/core/log.h"
 #include "esphome/core/util.h"
+#include "esphome/core/helpers.h"
 
 #include <lwip/igmp.h>
 #include <lwip/init.h>
@@ -71,7 +72,11 @@ bool E131Component::join_igmp_groups_() {
     ip4_addr_t multicast_addr =
         network::IPAddress(239, 255, ((universe.first >> 8) & 0xff), ((universe.first >> 0) & 0xff));
 
-    auto err = igmp_joingroup(IP4_ADDR_ANY4, &multicast_addr);
+    err_t err;
+    {
+      LwIPLock lock;
+      err = igmp_joingroup(IP4_ADDR_ANY4, &multicast_addr);
+    }
 
     if (err) {
       ESP_LOGW(TAG, "IGMP join for %d universe of E1.31 failed. Multicast might not work.", universe.first);
@@ -104,6 +109,7 @@ void E131Component::leave_(int universe) {
   if (listen_method_ == E131_MULTICAST) {
     ip4_addr_t multicast_addr = network::IPAddress(239, 255, ((universe >> 8) & 0xff), ((universe >> 0) & 0xff));
 
+    LwIPLock lock;
     igmp_leavegroup(IP4_ADDR_ANY4, &multicast_addr);
   }
 

esphome/components/esp32/helpers.cpp

@@ -1,4 +1,5 @@
 #include "esphome/core/helpers.h"
+#include "esphome/core/defines.h"
 
 #ifdef USE_ESP32
 
@@ -30,6 +31,45 @@ void Mutex::unlock() { xSemaphoreGive(this->handle_); }
 IRAM_ATTR InterruptLock::InterruptLock() { portDISABLE_INTERRUPTS(); }
 IRAM_ATTR InterruptLock::~InterruptLock() { portENABLE_INTERRUPTS(); }
 
+#ifdef CONFIG_LWIP_TCPIP_CORE_LOCKING
+#include "lwip/priv/tcpip_priv.h"
+#endif
+
+LwIPLock::LwIPLock() {
+#ifdef CONFIG_LWIP_TCPIP_CORE_LOCKING
+  // When CONFIG_LWIP_TCPIP_CORE_LOCKING is enabled, lwIP uses a global mutex to protect
+  // its internal state. Any thread can take this lock to safely access lwIP APIs.
+  //
+  // sys_thread_tcpip(LWIP_CORE_LOCK_QUERY_HOLDER) returns true if the current thread
+  // already holds the lwIP core lock. This prevents recursive locking attempts and
+  // allows nested LwIPLock instances to work correctly.
+  //
+  // If we don't already hold the lock, acquire it. This will block until the lock
+  // is available if another thread currently holds it.
+  if (!sys_thread_tcpip(LWIP_CORE_LOCK_QUERY_HOLDER)) {
+    LOCK_TCPIP_CORE();
+  }
+#endif
+}
+
+LwIPLock::~LwIPLock() {
+#ifdef CONFIG_LWIP_TCPIP_CORE_LOCKING
+  // Only release the lwIP core lock if this thread currently holds it.
+  //
+  // sys_thread_tcpip(LWIP_CORE_LOCK_QUERY_HOLDER) queries lwIP's internal lock
+  // ownership tracking. It returns true only if the current thread is registered
+  // as the lock holder.
+  //
+  // This check is essential because:
+  // 1. We may not have acquired the lock in the constructor (if we already held it)
+  // 2. The lock might have been released by other means between constructor and destructor
+  // 3. Calling UNLOCK_TCPIP_CORE() without holding the lock causes undefined behavior
+  if (sys_thread_tcpip(LWIP_CORE_LOCK_QUERY_HOLDER)) {
+    UNLOCK_TCPIP_CORE();
+  }
+#endif
+}
+
 void get_mac_address_raw(uint8_t *mac) {  // NOLINT(readability-non-const-parameter)
 #if defined(CONFIG_SOC_IEEE802154_SUPPORTED)
   // When CONFIG_SOC_IEEE802154_SUPPORTED is defined, esp_efuse_mac_get_default

esphome/components/esp32_camera/__init__.py

@@ -1,3 +1,5 @@
+import logging
+
 from esphome import automation, pins
 import esphome.codegen as cg
 from esphome.components import i2c
@@ -8,6 +10,7 @@ from esphome.const import (
     CONF_CONTRAST,
     CONF_DATA_PINS,
     CONF_FREQUENCY,
+    CONF_I2C,
     CONF_I2C_ID,
     CONF_ID,
     CONF_PIN,
@@ -20,6 +23,9 @@ from esphome.const import (
 )
 from esphome.core import CORE
 from esphome.core.entity_helpers import setup_entity
+import esphome.final_validate as fv
+
+_LOGGER = logging.getLogger(__name__)
 
 DEPENDENCIES = ["esp32"]
 
@@ -250,6 +256,22 @@ CONFIG_SCHEMA = cv.All(
     cv.has_exactly_one_key(CONF_I2C_PINS, CONF_I2C_ID),
 )
 
+
+def _final_validate(config):
+    if CONF_I2C_PINS not in config:
+        return
+    fconf = fv.full_config.get()
+    if fconf.get(CONF_I2C):
+        raise cv.Invalid(
+            "The `i2c_pins:` config option is incompatible with an dedicated `i2c:` block, use `i2c_id` instead"
+        )
+    _LOGGER.warning(
+        "The `i2c_pins:` config option is deprecated. Use `i2c_id:` with a dedicated `i2c:` definition instead."
+    )
+
+
+FINAL_VALIDATE_SCHEMA = _final_validate
+
 SETTERS = {
     # pin assignment
     CONF_DATA_PINS: "set_data_pins",

esphome/components/esp32_touch/esp32_touch_v1.cpp

@@ -16,6 +16,8 @@ namespace esp32_touch {
 
 static const char *const TAG = "esp32_touch";
 
+static const uint32_t SETUP_MODE_THRESHOLD = 0xFFFF;
+
 void ESP32TouchComponent::setup() {
   // Create queue for touch events
   // Queue size calculation: children * 4 allows for burst scenarios where ISR
@@ -44,7 +46,11 @@ void ESP32TouchComponent::setup() {
 
   // Configure each touch pad
   for (auto *child : this->children_) {
-    touch_pad_config(child->get_touch_pad(), child->get_threshold());
+    if (this->setup_mode_) {
+      touch_pad_config(child->get_touch_pad(), SETUP_MODE_THRESHOLD);
+    } else {
+      touch_pad_config(child->get_touch_pad(), child->get_threshold());
+    }
   }
 
   // Register ISR handler
@@ -114,8 +120,8 @@ void ESP32TouchComponent::loop() {
         child->publish_state(new_state);
         // Original ESP32: ISR only fires when touched, release is detected by timeout
         // Note: ESP32 v1 uses inverted logic - touched when value < threshold
-        ESP_LOGV(TAG, "Touch Pad '%s' state: ON (value: %" PRIu32 " < threshold: %" PRIu32 ")",
-                 child->get_name().c_str(), event.value, child->get_threshold());
+        ESP_LOGV(TAG, "Touch Pad '%s' state: %s (value: %" PRIu32 " < threshold: %" PRIu32 ")",
+                 child->get_name().c_str(), ONOFF(new_state), event.value, child->get_threshold());
       }
       break;  // Exit inner loop after processing matching pad
     }
@@ -188,11 +194,6 @@ void IRAM_ATTR ESP32TouchComponent::touch_isr_handler(void *arg) {
   // as any pad remains touched. This allows us to detect both new touches and
   // continued touches, but releases must be detected by timeout in the main loop.
 
-  // IMPORTANT: ESP32 v1 touch detection logic - INVERTED compared to v2!
-  // ESP32 v1: Touch is detected when capacitance INCREASES, causing the measured value to DECREASE
-  // Therefore: touched = (value < threshold)
-  // This is opposite to ESP32-S2/S3 v2 where touched = (value > threshold)
-
   // Process all configured pads to check their current state
   // Note: ESP32 v1 doesn't tell us which specific pad triggered the interrupt,
   // so we must scan all configured pads to find which ones were touched
@@ -211,11 +212,16 @@ void IRAM_ATTR ESP32TouchComponent::touch_isr_handler(void *arg) {
     }
 
     // Skip pads that aren’t in the trigger mask
-    bool is_touched = (mask >> pad) & 1;
-    if (!is_touched) {
+    if (((mask >> pad) & 1) == 0) {
       continue;
     }
 
+    // IMPORTANT: ESP32 v1 touch detection logic - INVERTED compared to v2!
+    // ESP32 v1: Touch is detected when capacitance INCREASES, causing the measured value to DECREASE
+    // Therefore: touched = (value < threshold)
+    // This is opposite to ESP32-S2/S3 v2 where touched = (value > threshold)
+    bool is_touched = value < child->get_threshold();
+
     // Always send the current state - the main loop will filter for changes
     // We send both touched and untouched states because the ISR doesn't
     // track previous state (to keep ISR fast and simple)

esphome/components/esp8266/helpers.cpp

@@ -22,6 +22,10 @@ void Mutex::unlock() {}
 IRAM_ATTR InterruptLock::InterruptLock() { state_ = xt_rsil(15); }
 IRAM_ATTR InterruptLock::~InterruptLock() { xt_wsr_ps(state_); }
 
+// ESP8266 doesn't support lwIP core locking, so this is a no-op
+LwIPLock::LwIPLock() {}
+LwIPLock::~LwIPLock() {}
+
 void get_mac_address_raw(uint8_t *mac) {  // NOLINT(readability-non-const-parameter)
   wifi_get_macaddr(STATION_IF, mac);
 }

esphome/components/ethernet/ethernet_component.cpp

@@ -420,6 +420,7 @@ network::IPAddresses EthernetComponent::get_ip_addresses() {
 }
 
 network::IPAddress EthernetComponent::get_dns_address(uint8_t num) {
+  LwIPLock lock;
   const ip_addr_t *dns_ip = dns_getserver(num);
   return dns_ip;
 }
@@ -527,6 +528,7 @@ void EthernetComponent::start_connect_() {
   ESPHL_ERROR_CHECK(err, "DHCPC set IP info error");
 
   if (this->manual_ip_.has_value()) {
+    LwIPLock lock;
     if (this->manual_ip_->dns1.is_set()) {
       ip_addr_t d;
       d = this->manual_ip_->dns1;
@@ -559,8 +561,13 @@ bool EthernetComponent::is_connected() { return this->state_ == EthernetComponen
 void EthernetComponent::dump_connect_params_() {
   esp_netif_ip_info_t ip;
   esp_netif_get_ip_info(this->eth_netif_, &ip);
-  const ip_addr_t *dns_ip1 = dns_getserver(0);
-  const ip_addr_t *dns_ip2 = dns_getserver(1);
+  const ip_addr_t *dns_ip1;
+  const ip_addr_t *dns_ip2;
+  {
+    LwIPLock lock;
+    dns_ip1 = dns_getserver(0);
+    dns_ip2 = dns_getserver(1);
+  }
 
   ESP_LOGCONFIG(TAG,
                 "  IP Address: %s\n"

esphome/components/fan/fan.cpp

@@ -177,6 +177,10 @@ optional<FanRestoreState> Fan::restore_state_() {
   return {};
 }
 void Fan::save_state_() {
+  if (this->restore_mode_ == FanRestoreMode::NO_RESTORE) {
+    return;
+  }
+
   FanRestoreState state{};
   state.state = this->state;
   state.oscillating = this->oscillating;

esphome/components/fastled_clockless/light.py

@@ -2,7 +2,13 @@ from esphome import pins
 import esphome.codegen as cg
 from esphome.components import fastled_base
 import esphome.config_validation as cv
-from esphome.const import CONF_CHIPSET, CONF_NUM_LEDS, CONF_PIN, CONF_RGB_ORDER
+from esphome.const import (
+    CONF_CHIPSET,
+    CONF_NUM_LEDS,
+    CONF_PIN,
+    CONF_RGB_ORDER,
+    Framework,
+)
 
 AUTO_LOAD = ["fastled_base"]
 
@@ -48,13 +54,22 @@ CONFIG_SCHEMA = cv.All(
             cv.Required(CONF_PIN): pins.internal_gpio_output_pin_number,
         }
     ),
-    _validate,
+    cv.only_with_framework(
+        frameworks=Framework.ARDUINO,
+        suggestions={
+            Framework.ESP_IDF: (
+                "esp32_rmt_led_strip",
+                "light/esp32_rmt_led_strip",
+            )
+        },
+    ),
     cv.require_framework_version(
         esp8266_arduino=cv.Version(2, 7, 4),
         esp32_arduino=cv.Version(99, 0, 0),
         max_version=True,
         extra_message="Please see note on documentation for FastLED",
     ),
+    _validate,
 )
 
 

esphome/components/fastled_spi/light.py

@@ -9,6 +9,7 @@ from esphome.const import (
     CONF_DATA_RATE,
     CONF_NUM_LEDS,
     CONF_RGB_ORDER,
+    Framework,
 )
 
 AUTO_LOAD = ["fastled_base"]
@@ -33,6 +34,15 @@ CONFIG_SCHEMA = cv.All(
             cv.Optional(CONF_DATA_RATE): cv.frequency,
         }
     ),
+    cv.only_with_framework(
+        frameworks=Framework.ARDUINO,
+        suggestions={
+            Framework.ESP_IDF: (
+                "spi_led_strip",
+                "light/spi_led_strip",
+            )
+        },
+    ),
     cv.require_framework_version(
         esp8266_arduino=cv.Version(2, 7, 4),
         esp32_arduino=cv.Version(99, 0, 0),

esphome/components/gpio/binary_sensor/__init__.py

@@ -4,7 +4,13 @@ from esphome import pins
 import esphome.codegen as cg
 from esphome.components import binary_sensor
 import esphome.config_validation as cv
-from esphome.const import CONF_ID, CONF_NAME, CONF_NUMBER, CONF_PIN
+from esphome.const import (
+    CONF_ALLOW_OTHER_USES,
+    CONF_ID,
+    CONF_NAME,
+    CONF_NUMBER,
+    CONF_PIN,
+)
 from esphome.core import CORE
 
 from .. import gpio_ns
@@ -29,7 +35,21 @@ CONFIG_SCHEMA = (
     .extend(
         {
             cv.Required(CONF_PIN): pins.gpio_input_pin_schema,
-            cv.Optional(CONF_USE_INTERRUPT, default=True): cv.boolean,
+            # Interrupts are disabled by default for bk72xx, ln882x, and rtl87xx platforms
+            # due to hardware limitations or lack of reliable interrupt support. This ensures
+            # stable operation on these platforms. Future maintainers should verify platform
+            # capabilities before changing this default behavior.
+            cv.SplitDefault(
+                CONF_USE_INTERRUPT,
+                bk72xx=False,
+                esp32=True,
+                esp8266=True,
+                host=True,
+                ln882x=False,
+                nrf52=True,
+                rp2040=True,
+                rtl87xx=False,
+            ): cv.boolean,
             cv.Optional(CONF_INTERRUPT_TYPE, default="ANY"): cv.enum(
                 INTERRUPT_TYPES, upper=True
             ),
@@ -62,6 +82,18 @@ async def to_code(config):
         )
         use_interrupt = False
 
+    # Check if pin is shared with other components (allow_other_uses)
+    # When a pin is shared, interrupts can interfere with other components
+    # (e.g., duty_cycle sensor) that need to monitor the pin's state changes
+    if use_interrupt and config[CONF_PIN].get(CONF_ALLOW_OTHER_USES, False):
+        _LOGGER.info(
+            "GPIO binary_sensor '%s': Disabling interrupts because pin %s is shared with other components. "
+            "The sensor will use polling mode for compatibility with other pin uses.",
+            config.get(CONF_NAME, config[CONF_ID]),
+            config[CONF_PIN][CONF_NUMBER],
+        )
+        use_interrupt = False
+
     cg.add(var.set_use_interrupt(use_interrupt))
     if use_interrupt:
         cg.add(var.set_interrupt_type(config[CONF_INTERRUPT_TYPE]))

esphome/components/gt911/touchscreen/gt911_touchscreen.cpp

@@ -8,6 +8,8 @@ namespace gt911 {
 
 static const char *const TAG = "gt911.touchscreen";
 
+static const uint8_t PRIMARY_ADDRESS = 0x5D;    // default I2C address for GT911
+static const uint8_t SECONDARY_ADDRESS = 0x14;  // secondary I2C address for GT911
 static const uint8_t GET_TOUCH_STATE[2] = {0x81, 0x4E};
 static const uint8_t CLEAR_TOUCH_STATE[3] = {0x81, 0x4E, 0x00};
 static const uint8_t GET_TOUCHES[2] = {0x81, 0x4F};
@@ -18,8 +20,7 @@ static const size_t MAX_BUTTONS = 4;  // max number of buttons scanned
 
 #define ERROR_CHECK(err) \
   if ((err) != i2c::ERROR_OK) { \
-    ESP_LOGE(TAG, "Failed to communicate!"); \
-    this->status_set_warning(); \
+    this->status_set_warning("Communication failure"); \
     return; \
   }
 
@@ -30,31 +31,31 @@ void GT911Touchscreen::setup() {
     this->reset_pin_->setup();
     this->reset_pin_->digital_write(false);
     if (this->interrupt_pin_ != nullptr) {
-      // The interrupt pin is used as an input during reset to select the I2C address.
+      // temporarily set the interrupt pin to output to control address selection
       this->interrupt_pin_->pin_mode(gpio::FLAG_OUTPUT);
-      this->interrupt_pin_->setup();
       this->interrupt_pin_->digital_write(false);
     }
     delay(2);
     this->reset_pin_->digital_write(true);
     delay(50);  // NOLINT
-    if (this->interrupt_pin_ != nullptr) {
-      this->interrupt_pin_->pin_mode(gpio::FLAG_INPUT);
-      this->interrupt_pin_->setup();
-    }
+  }
+  if (this->interrupt_pin_ != nullptr) {
+    // set pre-configured input mode
+    this->interrupt_pin_->setup();
   }
 
   // check the configuration of the int line.
   uint8_t data[4];
-  err = this->write(GET_SWITCHES, 2);
+  err = this->write(GET_SWITCHES, sizeof(GET_SWITCHES));
+  if (err != i2c::ERROR_OK && this->address_ == PRIMARY_ADDRESS) {
+    this->address_ = SECONDARY_ADDRESS;
+    err = this->write(GET_SWITCHES, sizeof(GET_SWITCHES));
+  }
   if (err == i2c::ERROR_OK) {
     err = this->read(data, 1);
     if (err == i2c::ERROR_OK) {
-      ESP_LOGD(TAG, "Read from switches: 0x%02X", data[0]);
+      ESP_LOGD(TAG, "Read from switches at address 0x%02X: 0x%02X", this->address_, data[0]);
       if (this->interrupt_pin_ != nullptr) {
-        // datasheet says NOT to use pullup/down on the int line.
-        this->interrupt_pin_->pin_mode(gpio::FLAG_INPUT);
-        this->interrupt_pin_->setup();
         this->attach_interrupt_(this->interrupt_pin_,
                                 (data[0] & 1) ? gpio::INTERRUPT_FALLING_EDGE : gpio::INTERRUPT_RISING_EDGE);
       }
@@ -63,7 +64,7 @@ void GT911Touchscreen::setup() {
   if (this->x_raw_max_ == 0 || this->y_raw_max_ == 0) {
     // no calibration? Attempt to read the max values from the touchscreen.
     if (err == i2c::ERROR_OK) {
-      err = this->write(GET_MAX_VALUES, 2);
+      err = this->write(GET_MAX_VALUES, sizeof(GET_MAX_VALUES));
       if (err == i2c::ERROR_OK) {
         err = this->read(data, sizeof(data));
         if (err == i2c::ERROR_OK) {
@@ -75,15 +76,12 @@ void GT911Touchscreen::setup() {
       }
     }
     if (err != i2c::ERROR_OK) {
-      ESP_LOGE(TAG, "Failed to read calibration values from touchscreen!");
-      this->mark_failed();
+      this->mark_failed("Failed to read calibration");
       return;
     }
   }
   if (err != i2c::ERROR_OK) {
-    ESP_LOGE(TAG, "Failed to communicate!");
-    this->mark_failed();
-    return;
+    this->mark_failed("Failed to communicate");
   }
 
   ESP_LOGCONFIG(TAG, "GT911 Touchscreen setup complete");
@@ -94,7 +92,7 @@ void GT911Touchscreen::update_touches() {
   uint8_t touch_state = 0;
   uint8_t data[MAX_TOUCHES + 1][8];  // 8 bytes each for each point, plus extra space for the key byte
 
-  err = this->write(GET_TOUCH_STATE, sizeof(GET_TOUCH_STATE), false);
+  err = this->write(GET_TOUCH_STATE, sizeof(GET_TOUCH_STATE));
   ERROR_CHECK(err);
   err = this->read(&touch_state, 1);
   ERROR_CHECK(err);
@@ -106,7 +104,7 @@ void GT911Touchscreen::update_touches() {
     return;
   }
 
-  err = this->write(GET_TOUCHES, sizeof(GET_TOUCHES), false);
+  err = this->write(GET_TOUCHES, sizeof(GET_TOUCHES));
   ERROR_CHECK(err);
   // num_of_touches is guaranteed to be 0..5. Also read the key data
   err = this->read(data[0], sizeof(data[0]) * num_of_touches + 1);
@@ -132,6 +130,7 @@ void GT911Touchscreen::dump_config() {
   ESP_LOGCONFIG(TAG, "GT911 Touchscreen:");
   LOG_I2C_DEVICE(this);
   LOG_PIN("  Interrupt Pin: ", this->interrupt_pin_);
+  LOG_PIN("  Reset Pin: ", this->reset_pin_);
 }
 
 }  // namespace gt911

esphome/components/http_request/update/http_request_update.cpp

@@ -83,7 +83,7 @@ void HttpRequestUpdate::update_task(void *params) {
     container.reset();  // Release ownership of the container's shared_ptr
 
     valid = json::parse_json(response, [this_update](JsonObject root) -> bool {
-      if (!root.containsKey("name") || !root.containsKey("version") || !root.containsKey("builds")) {
+      if (!root["name"].is<const char *>() || !root["version"].is<const char *>() || !root["builds"].is<JsonArray>()) {
         ESP_LOGE(TAG, "Manifest does not contain required fields");
         return false;
       }
@@ -91,26 +91,26 @@ void HttpRequestUpdate::update_task(void *params) {
       this_update->update_info_.latest_version = root["version"].as<std::string>();
 
       for (auto build : root["builds"].as<JsonArray>()) {
-        if (!build.containsKey("chipFamily")) {
+        if (!build["chipFamily"].is<const char *>()) {
           ESP_LOGE(TAG, "Manifest does not contain required fields");
           return false;
         }
         if (build["chipFamily"] == ESPHOME_VARIANT) {
-          if (!build.containsKey("ota")) {
+          if (!build["ota"].is<JsonObject>()) {
             ESP_LOGE(TAG, "Manifest does not contain required fields");
             return false;
           }
-          auto ota = build["ota"];
-          if (!ota.containsKey("path") || !ota.containsKey("md5")) {
+          JsonObject ota = build["ota"].as<JsonObject>();
+          if (!ota["path"].is<const char *>() || !ota["md5"].is<const char *>()) {
             ESP_LOGE(TAG, "Manifest does not contain required fields");
             return false;
           }
           this_update->update_info_.firmware_url = ota["path"].as<std::string>();
           this_update->update_info_.md5 = ota["md5"].as<std::string>();
 
-          if (ota.containsKey("summary"))
+          if (ota["summary"].is<const char *>())
             this_update->update_info_.summary = ota["summary"].as<std::string>();
-          if (ota.containsKey("release_url"))
+          if (ota["release_url"].is<const char *>())
             this_update->update_info_.release_url = ota["release_url"].as<std::string>();
 
           return true;

esphome/components/json/__init__.py

@@ -12,6 +12,6 @@ CONFIG_SCHEMA = cv.All(
 
 @coroutine_with_priority(1.0)
 async def to_code(config):
-    cg.add_library("bblanchon/ArduinoJson", "6.18.5")
+    cg.add_library("bblanchon/ArduinoJson", "7.4.2")
     cg.add_define("USE_JSON")
     cg.add_global(json_ns.using)

esphome/components/json/json_util.cpp

@@ -1,83 +1,76 @@
 #include "json_util.h"
 #include "esphome/core/log.h"
 
+// ArduinoJson::Allocator is included via ArduinoJson.h in json_util.h
+
 namespace esphome {
 namespace json {
 
 static const char *const TAG = "json";
 
-static std::vector<char> global_json_build_buffer;  // NOLINT
-static const auto ALLOCATOR = RAMAllocator<uint8_t>(RAMAllocator<uint8_t>::ALLOC_INTERNAL);
+// Build an allocator for the JSON Library using the RAMAllocator class
+struct SpiRamAllocator : ArduinoJson::Allocator {
+  void *allocate(size_t size) override { return this->allocator_.allocate(size); }
+
+  void deallocate(void *pointer) override {
+    // ArduinoJson's Allocator interface doesn't provide the size parameter in deallocate.
+    // RAMAllocator::deallocate() requires the size, which we don't have access to here.
+    // RAMAllocator::deallocate implementation just calls free() regardless of whether
+    // the memory was allocated with heap_caps_malloc or malloc.
+    // This is safe because ESP-IDF's heap implementation internally tracks the memory region
+    // and routes free() to the appropriate heap.
+    free(pointer);  // NOLINT(cppcoreguidelines-owning-memory,cppcoreguidelines-no-malloc)
+  }
+
+  void *reallocate(void *ptr, size_t new_size) override {
+    return this->allocator_.reallocate(static_cast<uint8_t *>(ptr), new_size);
+  }
+
+ protected:
+  RAMAllocator<uint8_t> allocator_{RAMAllocator<uint8_t>(RAMAllocator<uint8_t>::NONE)};
+};
 
 std::string build_json(const json_build_t &f) {
-  // Here we are allocating up to 5kb of memory,
-  // with the heap size minus 2kb to be safe if less than 5kb
-  // as we can not have a true dynamic sized document.
-  // The excess memory is freed below with `shrinkToFit()`
-  auto free_heap = ALLOCATOR.get_max_free_block_size();
-  size_t request_size = std::min(free_heap, (size_t) 512);
-  while (true) {
-    ESP_LOGV(TAG, "Attempting to allocate %zu bytes for JSON serialization", request_size);
-    DynamicJsonDocument json_document(request_size);
-    if (json_document.capacity() == 0) {
-      ESP_LOGE(TAG, "Could not allocate memory for document! Requested %zu bytes, largest free heap block: %zu bytes",
-               request_size, free_heap);
-      return "{}";
-    }
-    JsonObject root = json_document.to<JsonObject>();
-    f(root);
-    if (json_document.overflowed()) {
-      if (request_size == free_heap) {
-        ESP_LOGE(TAG, "Could not allocate memory for document! Overflowed largest free heap block: %zu bytes",
-                 free_heap);
-        return "{}";
-      }
-      request_size = std::min(request_size * 2, free_heap);
-      continue;
-    }
-    json_document.shrinkToFit();
-    ESP_LOGV(TAG, "Size after shrink %zu bytes", json_document.capacity());
-    std::string output;
-    serializeJson(json_document, output);
-    return output;
+  // NOLINTBEGIN(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
+  auto doc_allocator = SpiRamAllocator();
+  JsonDocument json_document(&doc_allocator);
+  if (json_document.overflowed()) {
+    ESP_LOGE(TAG, "Could not allocate memory for JSON document!");
+    return "{}";
   }
+  JsonObject root = json_document.to<JsonObject>();
+  f(root);
+  if (json_document.overflowed()) {
+    ESP_LOGE(TAG, "Could not allocate memory for JSON document!");
+    return "{}";
+  }
+  std::string output;
+  serializeJson(json_document, output);
+  return output;
+  // NOLINTEND(clang-analyzer-cplusplus.NewDeleteLeaks)
 }
 
 bool parse_json(const std::string &data, const json_parse_t &f) {
-  // Here we are allocating 1.5 times the data size,
-  // with the heap size minus 2kb to be safe if less than that
-  // as we can not have a true dynamic sized document.
-  // The excess memory is freed below with `shrinkToFit()`
-  auto free_heap = ALLOCATOR.get_max_free_block_size();
-  size_t request_size = std::min(free_heap, (size_t) (data.size() * 1.5));
-  while (true) {
-    DynamicJsonDocument json_document(request_size);
-    if (json_document.capacity() == 0) {
-      ESP_LOGE(TAG, "Could not allocate memory for document! Requested %zu bytes, free heap: %zu", request_size,
-               free_heap);
-      return false;
-    }
-    DeserializationError err = deserializeJson(json_document, data);
-    json_document.shrinkToFit();
+  // NOLINTBEGIN(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
+  auto doc_allocator = SpiRamAllocator();
+  JsonDocument json_document(&doc_allocator);
+  if (json_document.overflowed()) {
+    ESP_LOGE(TAG, "Could not allocate memory for JSON document!");
+    return false;
+  }
+  DeserializationError err = deserializeJson(json_document, data);
 
-    JsonObject root = json_document.as<JsonObject>();
+  JsonObject root = json_document.as<JsonObject>();
 
-    if (err == DeserializationError::Ok) {
-      return f(root);
-    } else if (err == DeserializationError::NoMemory) {
-      if (request_size * 2 >= free_heap) {
-        ESP_LOGE(TAG, "Can not allocate more memory for deserialization. Consider making source string smaller");
-        return false;
-      }
-      ESP_LOGV(TAG, "Increasing memory allocation.");
-      request_size *= 2;
-      continue;
-    } else {
-      ESP_LOGE(TAG, "Parse error: %s", err.c_str());
-      return false;
-    }
-  };
+  if (err == DeserializationError::Ok) {
+    return f(root);
+  } else if (err == DeserializationError::NoMemory) {
+    ESP_LOGE(TAG, "Can not allocate more memory for deserialization. Consider making source string smaller");
+    return false;
+  }
+  ESP_LOGE(TAG, "Parse error: %s", err.c_str());
   return false;
+  // NOLINTEND(clang-analyzer-cplusplus.NewDeleteLeaks)
 }
 
 }  // namespace json

esphome/components/ld2450/ld2450.cpp

@@ -477,10 +477,11 @@ void LD2450Component::handle_periodic_data_() {
     // X
     start = TARGET_X + index * 8;
     is_moving = false;
+    // tx is used for further calculations, so always needs to be populated
+    val = ld2450::decode_coordinate(this->buffer_data_[start], this->buffer_data_[start + 1]);
+    tx = val;
     sensor::Sensor *sx = this->move_x_sensors_[index];
     if (sx != nullptr) {
-      val = ld2450::decode_coordinate(this->buffer_data_[start], this->buffer_data_[start + 1]);
-      tx = val;
       if (this->cached_target_data_[index].x != val) {
         sx->publish_state(val);
         this->cached_target_data_[index].x = val;
@@ -488,10 +489,11 @@ void LD2450Component::handle_periodic_data_() {
     }
     // Y
     start = TARGET_Y + index * 8;
+    // ty is used for further calculations, so always needs to be populated
+    val = ld2450::decode_coordinate(this->buffer_data_[start], this->buffer_data_[start + 1]);
+    ty = val;
     sensor::Sensor *sy = this->move_y_sensors_[index];
     if (sy != nullptr) {
-      val = ld2450::decode_coordinate(this->buffer_data_[start], this->buffer_data_[start + 1]);
-      ty = val;
       if (this->cached_target_data_[index].y != val) {
         sy->publish_state(val);
         this->cached_target_data_[index].y = val;

esphome/components/libretiny/helpers.cpp

@@ -26,6 +26,10 @@ void Mutex::unlock() { xSemaphoreGive(this->handle_); }
 IRAM_ATTR InterruptLock::InterruptLock() { portDISABLE_INTERRUPTS(); }
 IRAM_ATTR InterruptLock::~InterruptLock() { portENABLE_INTERRUPTS(); }
 
+// LibreTiny doesn't support lwIP core locking, so this is a no-op
+LwIPLock::LwIPLock() {}
+LwIPLock::~LwIPLock() {}
+
 void get_mac_address_raw(uint8_t *mac) {  // NOLINT(readability-non-const-parameter)
   WiFi.macAddress(mac);
 }

esphome/components/light/light_json_schema.cpp

@@ -9,6 +9,7 @@ namespace light {
 // See https://www.home-assistant.io/integrations/light.mqtt/#json-schema for documentation on the schema
 
 void LightJSONSchema::dump_json(LightState &state, JsonObject root) {
+  // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
   if (state.supports_effects())
     root["effect"] = state.get_effect_name();
 
@@ -52,7 +53,7 @@ void LightJSONSchema::dump_json(LightState &state, JsonObject root) {
   if (values.get_color_mode() & ColorCapability::BRIGHTNESS)
     root["brightness"] = uint8_t(values.get_brightness() * 255);
 
-  JsonObject color = root.createNestedObject("color");
+  JsonObject color = root["color"].to<JsonObject>();
   if (values.get_color_mode() & ColorCapability::RGB) {
     color["r"] = uint8_t(values.get_color_brightness() * values.get_red() * 255);
     color["g"] = uint8_t(values.get_color_brightness() * values.get_green() * 255);
@@ -73,7 +74,7 @@ void LightJSONSchema::dump_json(LightState &state, JsonObject root) {
 }
 
 void LightJSONSchema::parse_color_json(LightState &state, LightCall &call, JsonObject root) {
-  if (root.containsKey("state")) {
+  if (root["state"].is<const char *>()) {
     auto val = parse_on_off(root["state"]);
     switch (val) {
       case PARSE_ON:
@@ -90,40 +91,40 @@ void LightJSONSchema::parse_color_json(LightState &state, LightCall &call, JsonO
     }
   }
 
-  if (root.containsKey("brightness")) {
+  if (root["brightness"].is<uint8_t>()) {
     call.set_brightness(float(root["brightness"]) / 255.0f);
   }
 
-  if (root.containsKey("color")) {
+  if (root["color"].is<JsonObject>()) {
     JsonObject color = root["color"];
     // HA also encodes brightness information in the r, g, b values, so extract that and set it as color brightness.
     float max_rgb = 0.0f;
-    if (color.containsKey("r")) {
+    if (color["r"].is<uint8_t>()) {
       float r = float(color["r"]) / 255.0f;
       max_rgb = fmaxf(max_rgb, r);
       call.set_red(r);
     }
-    if (color.containsKey("g")) {
+    if (color["g"].is<uint8_t>()) {
       float g = float(color["g"]) / 255.0f;
       max_rgb = fmaxf(max_rgb, g);
       call.set_green(g);
     }
-    if (color.containsKey("b")) {
+    if (color["b"].is<uint8_t>()) {
       float b = float(color["b"]) / 255.0f;
       max_rgb = fmaxf(max_rgb, b);
       call.set_blue(b);
     }
-    if (color.containsKey("r") || color.containsKey("g") || color.containsKey("b")) {
+    if (color["r"].is<uint8_t>() || color["g"].is<uint8_t>() || color["b"].is<uint8_t>()) {
       call.set_color_brightness(max_rgb);
     }
 
-    if (color.containsKey("c")) {
+    if (color["c"].is<uint8_t>()) {
       call.set_cold_white(float(color["c"]) / 255.0f);
     }
-    if (color.containsKey("w")) {
+    if (color["w"].is<uint8_t>()) {
       // the HA scheme is ambiguous here, the same key is used for white channel in RGBW and warm
       // white channel in RGBWW.
-      if (color.containsKey("c")) {
+      if (color["c"].is<uint8_t>()) {
         call.set_warm_white(float(color["w"]) / 255.0f);
       } else {
         call.set_white(float(color["w"]) / 255.0f);
@@ -131,11 +132,11 @@ void LightJSONSchema::parse_color_json(LightState &state, LightCall &call, JsonO
     }
   }
 
-  if (root.containsKey("white_value")) {  // legacy API
+  if (root["white_value"].is<uint8_t>()) {  // legacy API
     call.set_white(float(root["white_value"]) / 255.0f);
   }
 
-  if (root.containsKey("color_temp")) {
+  if (root["color_temp"].is<uint16_t>()) {
     call.set_color_temperature(float(root["color_temp"]));
   }
 }
@@ -143,17 +144,17 @@ void LightJSONSchema::parse_color_json(LightState &state, LightCall &call, JsonO
 void LightJSONSchema::parse_json(LightState &state, LightCall &call, JsonObject root) {
   LightJSONSchema::parse_color_json(state, call, root);
 
-  if (root.containsKey("flash")) {
+  if (root["flash"].is<uint32_t>()) {
     auto length = uint32_t(float(root["flash"]) * 1000);
     call.set_flash_length(length);
   }
 
-  if (root.containsKey("transition")) {
+  if (root["transition"].is<uint16_t>()) {
     auto length = uint32_t(float(root["transition"]) * 1000);
     call.set_transition_length(length);
   }
 
-  if (root.containsKey("effect")) {
+  if (root["effect"].is<const char *>()) {
     const char *effect = root["effect"];
     call.set_effect(effect);
   }

esphome/components/logger/__init__.py

@@ -183,7 +183,7 @@ def validate_local_no_higher_than_global(value):
 Logger = logger_ns.class_("Logger", cg.Component)
 LoggerMessageTrigger = logger_ns.class_(
     "LoggerMessageTrigger",
-    automation.Trigger.template(cg.int_, cg.const_char_ptr, cg.const_char_ptr),
+    automation.Trigger.template(cg.uint8, cg.const_char_ptr, cg.const_char_ptr),
 )
 
 CONF_ESP8266_STORE_LOG_STRINGS_IN_FLASH = "esp8266_store_log_strings_in_flash"
@@ -368,7 +368,7 @@ async def to_code(config):
         await automation.build_automation(
             trigger,
             [
-                (cg.int_, "level"),
+                (cg.uint8, "level"),
                 (cg.const_char_ptr, "tag"),
                 (cg.const_char_ptr, "message"),
             ],
@@ -400,6 +400,7 @@ CONF_LOGGER_LOG = "logger.log"
 LOGGER_LOG_ACTION_SCHEMA = cv.All(
     cv.maybe_simple_value(
         {
+            cv.GenerateID(CONF_LOGGER_ID): cv.use_id(Logger),
             cv.Required(CONF_FORMAT): cv.string,
             cv.Optional(CONF_ARGS, default=list): cv.ensure_list(cv.lambda_),
             cv.Optional(CONF_LEVEL, default="DEBUG"): cv.one_of(

esphome/components/lvgl/types.py

@@ -192,7 +192,7 @@ class WidgetType:
 
 class NumberType(WidgetType):
     def get_max(self, config: dict):
-        return int(config[CONF_MAX_VALUE] or 100)
+        return int(config.get(CONF_MAX_VALUE, 100))
 
     def get_min(self, config: dict):
-        return int(config[CONF_MIN_VALUE] or 0)
+        return int(config.get(CONF_MIN_VALUE, 0))

esphome/components/lvgl/widgets/meter.py

@@ -14,6 +14,7 @@ from esphome.const import (
     CONF_VALUE,
     CONF_WIDTH,
 )
+from esphome.cpp_generator import IntLiteral
 
 from ..automation import action_to_code
 from ..defines import (
@@ -188,6 +189,8 @@ class MeterType(WidgetType):
             rotation = 90 + (360 - scale_conf[CONF_ANGLE_RANGE]) / 2
             if CONF_ROTATION in scale_conf:
                 rotation = await lv_angle.process(scale_conf[CONF_ROTATION])
+                if isinstance(rotation, IntLiteral):
+                    rotation = int(str(rotation)) // 10
             with LocalVariable(
                 "meter_var", "lv_meter_scale_t", lv_expr.meter_add_scale(var)
             ) as meter_var:
@@ -264,7 +267,7 @@ class MeterType(WidgetType):
                                 color_start,
                                 color_end,
                                 v[CONF_LOCAL],
-                                size.process(v[CONF_WIDTH]),
+                                await size.process(v[CONF_WIDTH]),
                             ),
                         )
                     if t == CONF_IMAGE:

esphome/components/mqtt/mqtt_alarm_control_panel.cpp

@@ -55,7 +55,8 @@ void MQTTAlarmControlPanelComponent::dump_config() {
 }
 
 void MQTTAlarmControlPanelComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
-  JsonArray supported_features = root.createNestedArray(MQTT_SUPPORTED_FEATURES);
+  // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
+  JsonArray supported_features = root[MQTT_SUPPORTED_FEATURES].to<JsonArray>();
   const uint32_t acp_supported_features = this->alarm_control_panel_->get_supported_features();
   if (acp_supported_features & ACP_FEAT_ARM_AWAY) {
     supported_features.add("arm_away");

esphome/components/mqtt/mqtt_binary_sensor.cpp

@@ -30,6 +30,7 @@ MQTTBinarySensorComponent::MQTTBinarySensorComponent(binary_sensor::BinarySensor
 }
 
 void MQTTBinarySensorComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
+  // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
   if (!this->binary_sensor_->get_device_class().empty())
     root[MQTT_DEVICE_CLASS] = this->binary_sensor_->get_device_class();
   if (this->binary_sensor_->is_status_binary_sensor())

esphome/components/mqtt/mqtt_button.cpp

@@ -31,9 +31,12 @@ void MQTTButtonComponent::dump_config() {
 }
 
 void MQTTButtonComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
+  // NOLINTBEGIN(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
   config.state_topic = false;
-  if (!this->button_->get_device_class().empty())
+  if (!this->button_->get_device_class().empty()) {
     root[MQTT_DEVICE_CLASS] = this->button_->get_device_class();
+  }
+  // NOLINTEND(clang-analyzer-cplusplus.NewDeleteLeaks)
 }
 
 std::string MQTTButtonComponent::component_type() const { return "button"; }

esphome/components/mqtt/mqtt_client.cpp

@@ -92,6 +92,7 @@ void MQTTClientComponent::send_device_info_() {
   std::string topic = "esphome/discover/";
   topic.append(App.get_name());
 
+  // NOLINTBEGIN(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
   this->publish_json(
       topic,
       [](JsonObject root) {
@@ -147,6 +148,7 @@ void MQTTClientComponent::send_device_info_() {
 #endif
       },
       2, this->discovery_info_.retain);
+  // NOLINTEND(clang-analyzer-cplusplus.NewDeleteLeaks)
 }
 
 void MQTTClientComponent::dump_config() {
@@ -191,13 +193,17 @@ void MQTTClientComponent::start_dnslookup_() {
   this->dns_resolve_error_ = false;
   this->dns_resolved_ = false;
   ip_addr_t addr;
+  err_t err;
+  {
+    LwIPLock lock;
 #if USE_NETWORK_IPV6
-  err_t err = dns_gethostbyname_addrtype(this->credentials_.address.c_str(), &addr,
-                                         MQTTClientComponent::dns_found_callback, this, LWIP_DNS_ADDRTYPE_IPV6_IPV4);
+    err = dns_gethostbyname_addrtype(this->credentials_.address.c_str(), &addr, MQTTClientComponent::dns_found_callback,
+                                     this, LWIP_DNS_ADDRTYPE_IPV6_IPV4);
 #else
-  err_t err = dns_gethostbyname_addrtype(this->credentials_.address.c_str(), &addr,
-                                         MQTTClientComponent::dns_found_callback, this, LWIP_DNS_ADDRTYPE_IPV4);
+    err = dns_gethostbyname_addrtype(this->credentials_.address.c_str(), &addr, MQTTClientComponent::dns_found_callback,
+                                     this, LWIP_DNS_ADDRTYPE_IPV4);
 #endif /* USE_NETWORK_IPV6 */
+  }
   switch (err) {
     case ERR_OK: {
       // Got IP immediately

esphome/components/mqtt/mqtt_climate.cpp

@@ -14,6 +14,7 @@ static const char *const TAG = "mqtt.climate";
 using namespace esphome::climate;
 
 void MQTTClimateComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
+  // NOLINTBEGIN(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
   auto traits = this->device_->get_traits();
   // current_temperature_topic
   if (traits.get_supports_current_temperature()) {
@@ -28,7 +29,7 @@ void MQTTClimateComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryCo
   // mode_state_topic
   root[MQTT_MODE_STATE_TOPIC] = this->get_mode_state_topic();
   // modes
-  JsonArray modes = root.createNestedArray(MQTT_MODES);
+  JsonArray modes = root[MQTT_MODES].to<JsonArray>();
   // sort array for nice UI in HA
   if (traits.supports_mode(CLIMATE_MODE_AUTO))
     modes.add("auto");
@@ -89,7 +90,7 @@ void MQTTClimateComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryCo
     // preset_mode_state_topic
     root[MQTT_PRESET_MODE_STATE_TOPIC] = this->get_preset_state_topic();
     // presets
-    JsonArray presets = root.createNestedArray("preset_modes");
+    JsonArray presets = root["preset_modes"].to<JsonArray>();
     if (traits.supports_preset(CLIMATE_PRESET_HOME))
       presets.add("home");
     if (traits.supports_preset(CLIMATE_PRESET_AWAY))
@@ -119,7 +120,7 @@ void MQTTClimateComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryCo
     // fan_mode_state_topic
     root[MQTT_FAN_MODE_STATE_TOPIC] = this->get_fan_mode_state_topic();
     // fan_modes
-    JsonArray fan_modes = root.createNestedArray("fan_modes");
+    JsonArray fan_modes = root["fan_modes"].to<JsonArray>();
     if (traits.supports_fan_mode(CLIMATE_FAN_ON))
       fan_modes.add("on");
     if (traits.supports_fan_mode(CLIMATE_FAN_OFF))
@@ -150,7 +151,7 @@ void MQTTClimateComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryCo
     // swing_mode_state_topic
     root[MQTT_SWING_MODE_STATE_TOPIC] = this->get_swing_mode_state_topic();
     // swing_modes
-    JsonArray swing_modes = root.createNestedArray("swing_modes");
+    JsonArray swing_modes = root["swing_modes"].to<JsonArray>();
     if (traits.supports_swing_mode(CLIMATE_SWING_OFF))
       swing_modes.add("off");
     if (traits.supports_swing_mode(CLIMATE_SWING_BOTH))
@@ -163,6 +164,7 @@ void MQTTClimateComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryCo
 
   config.state_topic = false;
   config.command_topic = false;
+  // NOLINTEND(clang-analyzer-cplusplus.NewDeleteLeaks)
 }
 void MQTTClimateComponent::setup() {
   auto traits = this->device_->get_traits();

esphome/components/mqtt/mqtt_component.cpp

@@ -70,6 +70,7 @@ bool MQTTComponent::send_discovery_() {
 
   ESP_LOGV(TAG, "'%s': Sending discovery", this->friendly_name().c_str());
 
+  // NOLINTBEGIN(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
   return global_mqtt_client->publish_json(
       this->get_discovery_topic_(discovery_info),
       [this](JsonObject root) {
@@ -155,7 +156,7 @@ bool MQTTComponent::send_discovery_() {
         }
         std::string node_area = App.get_area();
 
-        JsonObject device_info = root.createNestedObject(MQTT_DEVICE);
+        JsonObject device_info = root[MQTT_DEVICE].to<JsonObject>();
         const auto mac = get_mac_address();
         device_info[MQTT_DEVICE_IDENTIFIERS] = mac;
         device_info[MQTT_DEVICE_NAME] = node_friendly_name;
@@ -192,6 +193,7 @@ bool MQTTComponent::send_discovery_() {
         device_info[MQTT_DEVICE_CONNECTIONS][0][1] = mac;
       },
       this->qos_, discovery_info.retain);
+  // NOLINTEND(clang-analyzer-cplusplus.NewDeleteLeaks)
 }
 
 uint8_t MQTTComponent::get_qos() const { return this->qos_; }

esphome/components/mqtt/mqtt_cover.cpp

@@ -67,6 +67,7 @@ void MQTTCoverComponent::dump_config() {
   }
 }
 void MQTTCoverComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
+  // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
   if (!this->cover_->get_device_class().empty())
     root[MQTT_DEVICE_CLASS] = this->cover_->get_device_class();
 

esphome/components/mqtt/mqtt_date.cpp

@@ -20,13 +20,13 @@ MQTTDateComponent::MQTTDateComponent(DateEntity *date) : date_(date) {}
 void MQTTDateComponent::setup() {
   this->subscribe_json(this->get_command_topic_(), [this](const std::string &topic, JsonObject root) {
     auto call = this->date_->make_call();
-    if (root.containsKey("year")) {
+    if (root["year"].is<uint16_t>()) {
       call.set_year(root["year"]);
     }
-    if (root.containsKey("month")) {
+    if (root["month"].is<uint8_t>()) {
       call.set_month(root["month"]);
     }
-    if (root.containsKey("day")) {
+    if (root["day"].is<uint8_t>()) {
       call.set_day(root["day"]);
     }
     call.perform();
@@ -55,6 +55,7 @@ bool MQTTDateComponent::send_initial_state() {
 }
 bool MQTTDateComponent::publish_state(uint16_t year, uint8_t month, uint8_t day) {
   return this->publish_json(this->get_state_topic_(), [year, month, day](JsonObject root) {
+    // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
     root["year"] = year;
     root["month"] = month;
     root["day"] = day;

esphome/components/mqtt/mqtt_datetime.cpp

@@ -20,22 +20,22 @@ MQTTDateTimeComponent::MQTTDateTimeComponent(DateTimeEntity *datetime) : datetim
 void MQTTDateTimeComponent::setup() {
   this->subscribe_json(this->get_command_topic_(), [this](const std::string &topic, JsonObject root) {
     auto call = this->datetime_->make_call();
-    if (root.containsKey("year")) {
+    if (root["year"].is<uint16_t>()) {
       call.set_year(root["year"]);
     }
-    if (root.containsKey("month")) {
+    if (root["month"].is<uint8_t>()) {
       call.set_month(root["month"]);
     }
-    if (root.containsKey("day")) {
+    if (root["day"].is<uint8_t>()) {
       call.set_day(root["day"]);
     }
-    if (root.containsKey("hour")) {
+    if (root["hour"].is<uint8_t>()) {
       call.set_hour(root["hour"]);
     }
-    if (root.containsKey("minute")) {
+    if (root["minute"].is<uint8_t>()) {
       call.set_minute(root["minute"]);
     }
-    if (root.containsKey("second")) {
+    if (root["second"].is<uint8_t>()) {
       call.set_second(root["second"]);
     }
     call.perform();
@@ -68,6 +68,7 @@ bool MQTTDateTimeComponent::send_initial_state() {
 bool MQTTDateTimeComponent::publish_state(uint16_t year, uint8_t month, uint8_t day, uint8_t hour, uint8_t minute,
                                           uint8_t second) {
   return this->publish_json(this->get_state_topic_(), [year, month, day, hour, minute, second](JsonObject root) {
+    // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
     root["year"] = year;
     root["month"] = month;
     root["day"] = day;

esphome/components/mqtt/mqtt_event.cpp

@@ -16,7 +16,8 @@ using namespace esphome::event;
 MQTTEventComponent::MQTTEventComponent(event::Event *event) : event_(event) {}
 
 void MQTTEventComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
-  JsonArray event_types = root.createNestedArray(MQTT_EVENT_TYPES);
+  // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
+  JsonArray event_types = root[MQTT_EVENT_TYPES].to<JsonArray>();
   for (const auto &event_type : this->event_->get_event_types())
     event_types.add(event_type);
 
@@ -40,8 +41,10 @@ void MQTTEventComponent::dump_config() {
 }
 
 bool MQTTEventComponent::publish_event_(const std::string &event_type) {
-  return this->publish_json(this->get_state_topic_(),
-                            [event_type](JsonObject root) { root[MQTT_EVENT_TYPE] = event_type; });
+  return this->publish_json(this->get_state_topic_(), [event_type](JsonObject root) {
+    // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
+    root[MQTT_EVENT_TYPE] = event_type;
+  });
 }
 
 std::string MQTTEventComponent::component_type() const { return "event"; }

esphome/components/mqtt/mqtt_fan.cpp

@@ -143,6 +143,7 @@ void MQTTFanComponent::dump_config() {
 bool MQTTFanComponent::send_initial_state() { return this->publish_state(); }
 
 void MQTTFanComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
+  // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
   if (this->state_->get_traits().supports_direction()) {
     root[MQTT_DIRECTION_COMMAND_TOPIC] = this->get_direction_command_topic();
     root[MQTT_DIRECTION_STATE_TOPIC] = this->get_direction_state_topic();

esphome/components/mqtt/mqtt_light.cpp

@@ -32,17 +32,21 @@ void MQTTJSONLightComponent::setup() {
 MQTTJSONLightComponent::MQTTJSONLightComponent(LightState *state) : state_(state) {}
 
 bool MQTTJSONLightComponent::publish_state_() {
-  return this->publish_json(this->get_state_topic_(),
-                            [this](JsonObject root) { LightJSONSchema::dump_json(*this->state_, root); });
+  return this->publish_json(this->get_state_topic_(), [this](JsonObject root) {
+    // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
+    LightJSONSchema::dump_json(*this->state_, root);
+  });
 }
 LightState *MQTTJSONLightComponent::get_state() const { return this->state_; }
 
 void MQTTJSONLightComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
+  // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
   root["schema"] = "json";
   auto traits = this->state_->get_traits();
 
   root[MQTT_COLOR_MODE] = true;
-  JsonArray color_modes = root.createNestedArray("supported_color_modes");
+  // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
+  JsonArray color_modes = root["supported_color_modes"].to<JsonArray>();
   if (traits.supports_color_mode(ColorMode::ON_OFF))
     color_modes.add("onoff");
   if (traits.supports_color_mode(ColorMode::BRIGHTNESS))
@@ -67,7 +71,7 @@ void MQTTJSONLightComponent::send_discovery(JsonObject root, mqtt::SendDiscovery
 
   if (this->state_->supports_effects()) {
     root["effect"] = true;
-    JsonArray effect_list = root.createNestedArray(MQTT_EFFECT_LIST);
+    JsonArray effect_list = root[MQTT_EFFECT_LIST].to<JsonArray>();
     for (auto *effect : this->state_->get_effects())
       effect_list.add(effect->get_name());
     effect_list.add("None");

esphome/components/mqtt/mqtt_lock.cpp

@@ -38,8 +38,10 @@ void MQTTLockComponent::dump_config() {
 std::string MQTTLockComponent::component_type() const { return "lock"; }
 const EntityBase *MQTTLockComponent::get_entity() const { return this->lock_; }
 void MQTTLockComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
-  if (this->lock_->traits.get_assumed_state())
+  // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
+  if (this->lock_->traits.get_assumed_state()) {
     root[MQTT_OPTIMISTIC] = true;
+  }
   if (this->lock_->traits.get_supports_open())
     root[MQTT_PAYLOAD_OPEN] = "OPEN";
 }

esphome/components/mqtt/mqtt_number.cpp

@@ -40,6 +40,7 @@ const EntityBase *MQTTNumberComponent::get_entity() const { return this->number_
 void MQTTNumberComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
   const auto &traits = number_->traits;
   // https://www.home-assistant.io/integrations/number.mqtt/
+  // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
   root[MQTT_MIN] = traits.get_min_value();
   root[MQTT_MAX] = traits.get_max_value();
   root[MQTT_STEP] = traits.get_step();

esphome/components/mqtt/mqtt_select.cpp

@@ -35,7 +35,8 @@ const EntityBase *MQTTSelectComponent::get_entity() const { return this->select_
 void MQTTSelectComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
   const auto &traits = select_->traits;
   // https://www.home-assistant.io/integrations/select.mqtt/
-  JsonArray options = root.createNestedArray(MQTT_OPTIONS);
+  // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
+  JsonArray options = root[MQTT_OPTIONS].to<JsonArray>();
   for (const auto &option : traits.get_options())
     options.add(option);
 

esphome/components/mqtt/mqtt_sensor.cpp

@@ -44,8 +44,10 @@ void MQTTSensorComponent::set_expire_after(uint32_t expire_after) { this->expire
 void MQTTSensorComponent::disable_expire_after() { this->expire_after_ = 0; }
 
 void MQTTSensorComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
-  if (!this->sensor_->get_device_class().empty())
+  // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
+  if (!this->sensor_->get_device_class().empty()) {
     root[MQTT_DEVICE_CLASS] = this->sensor_->get_device_class();
+  }
 
   if (!this->sensor_->get_unit_of_measurement().empty())
     root[MQTT_UNIT_OF_MEASUREMENT] = this->sensor_->get_unit_of_measurement();

esphome/components/mqtt/mqtt_switch.cpp

@@ -45,8 +45,10 @@ void MQTTSwitchComponent::dump_config() {
 std::string MQTTSwitchComponent::component_type() const { return "switch"; }
 const EntityBase *MQTTSwitchComponent::get_entity() const { return this->switch_; }
 void MQTTSwitchComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
-  if (this->switch_->assumed_state())
+  // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
+  if (this->switch_->assumed_state()) {
     root[MQTT_OPTIMISTIC] = true;
+  }
 }
 bool MQTTSwitchComponent::send_initial_state() { return this->publish_state(this->switch_->state); }
 

esphome/components/mqtt/mqtt_text.cpp

@@ -34,6 +34,7 @@ std::string MQTTTextComponent::component_type() const { return "text"; }
 const EntityBase *MQTTTextComponent::get_entity() const { return this->text_; }
 
 void MQTTTextComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
+  // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
   switch (this->text_->traits.get_mode()) {
     case TEXT_MODE_TEXT:
       root[MQTT_MODE] = "text";

esphome/components/mqtt/mqtt_text_sensor.cpp

@@ -15,8 +15,10 @@ using namespace esphome::text_sensor;
 
 MQTTTextSensor::MQTTTextSensor(TextSensor *sensor) : sensor_(sensor) {}
 void MQTTTextSensor::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
-  if (!this->sensor_->get_device_class().empty())
+  // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
+  if (!this->sensor_->get_device_class().empty()) {
     root[MQTT_DEVICE_CLASS] = this->sensor_->get_device_class();
+  }
   config.command_topic = false;
 }
 void MQTTTextSensor::setup() {

esphome/components/mqtt/mqtt_time.cpp

@@ -20,13 +20,13 @@ MQTTTimeComponent::MQTTTimeComponent(TimeEntity *time) : time_(time) {}
 void MQTTTimeComponent::setup() {
   this->subscribe_json(this->get_command_topic_(), [this](const std::string &topic, JsonObject root) {
     auto call = this->time_->make_call();
-    if (root.containsKey("hour")) {
+    if (root["hour"].is<uint8_t>()) {
       call.set_hour(root["hour"]);
     }
-    if (root.containsKey("minute")) {
+    if (root["minute"].is<uint8_t>()) {
       call.set_minute(root["minute"]);
     }
-    if (root.containsKey("second")) {
+    if (root["second"].is<uint8_t>()) {
       call.set_second(root["second"]);
     }
     call.perform();
@@ -55,6 +55,7 @@ bool MQTTTimeComponent::send_initial_state() {
 }
 bool MQTTTimeComponent::publish_state(uint8_t hour, uint8_t minute, uint8_t second) {
   return this->publish_json(this->get_state_topic_(), [hour, minute, second](JsonObject root) {
+    // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
     root["hour"] = hour;
     root["minute"] = minute;
     root["second"] = second;

esphome/components/mqtt/mqtt_update.cpp

@@ -41,6 +41,7 @@ bool MQTTUpdateComponent::publish_state() {
 }
 
 void MQTTUpdateComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
+  // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
   root["schema"] = "json";
   root[MQTT_PAYLOAD_INSTALL] = "INSTALL";
 }

esphome/components/mqtt/mqtt_valve.cpp

@@ -49,8 +49,10 @@ void MQTTValveComponent::dump_config() {
   }
 }
 void MQTTValveComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
-  if (!this->valve_->get_device_class().empty())
+  // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
+  if (!this->valve_->get_device_class().empty()) {
     root[MQTT_DEVICE_CLASS] = this->valve_->get_device_class();
+  }
 
   auto traits = this->valve_->get_traits();
   if (traits.get_is_assumed_state()) {

esphome/components/ms8607/ms8607.cpp

@@ -356,7 +356,7 @@ void MS8607Component::read_humidity_(float temperature_float) {
 
   // map 16 bit humidity value into range [-6%, 118%]
   float const humidity_partial = double(humidity) / (1 << 16);
-  float const humidity_percentage = lerp(humidity_partial, -6.0, 118.0);
+  float const humidity_percentage = std::lerp(-6.0, 118.0, humidity_partial);
   float const compensated_humidity_percentage =
       humidity_percentage + (20 - temperature_float) * MS8607_H_TEMP_COEFFICIENT;
   ESP_LOGD(TAG, "Compensated for temperature, humidity=%.2f%%", compensated_humidity_percentage);

esphome/components/neopixelbus/light.py

@@ -15,6 +15,7 @@ from esphome.const import (
     CONF_PIN,
     CONF_TYPE,
     CONF_VARIANT,
+    Framework,
 )
 from esphome.core import CORE
 
@@ -162,7 +163,15 @@ def _validate_method(value):
 
 
 CONFIG_SCHEMA = cv.All(
-    cv.only_with_arduino,
+    cv.only_with_framework(
+        frameworks=Framework.ARDUINO,
+        suggestions={
+            Framework.ESP_IDF: (
+                "esp32_rmt_led_strip",
+                "light/esp32_rmt_led_strip",
+            )
+        },
+    ),
     cv.require_framework_version(
         esp8266_arduino=cv.Version(2, 4, 0),
         esp32_arduino=cv.Version(0, 0, 0),

esphome/components/online_image/__init__.py

@@ -2,7 +2,7 @@ import logging
 
 from esphome import automation
 import esphome.codegen as cg
-from esphome.components.const import CONF_REQUEST_HEADERS
+from esphome.components.const import CONF_BYTE_ORDER, CONF_REQUEST_HEADERS
 from esphome.components.http_request import CONF_HTTP_REQUEST_ID, HttpRequestComponent
 from esphome.components.image import (
     CONF_INVERT_ALPHA,
@@ -11,6 +11,7 @@ from esphome.components.image import (
     Image_,
     get_image_type_enum,
     get_transparency_enum,
+    validate_settings,
 )
 import esphome.config_validation as cv
 from esphome.const import (
@@ -161,6 +162,7 @@ CONFIG_SCHEMA = cv.Schema(
             rp2040_arduino=cv.Version(0, 0, 0),
             host=cv.Version(0, 0, 0),
         ),
+        validate_settings,
     )
 )
 
@@ -213,6 +215,7 @@ async def to_code(config):
         get_image_type_enum(config[CONF_TYPE]),
         transparent,
         config[CONF_BUFFER_SIZE],
+        config.get(CONF_BYTE_ORDER) != "LITTLE_ENDIAN",
     )
     await cg.register_component(var, config)
     await cg.register_parented(var, config[CONF_HTTP_REQUEST_ID])

esphome/components/online_image/online_image.cpp

@@ -35,14 +35,15 @@ inline bool is_color_on(const Color &color) {
 }
 
 OnlineImage::OnlineImage(const std::string &url, int width, int height, ImageFormat format, ImageType type,
-                         image::Transparency transparency, uint32_t download_buffer_size)
+                         image::Transparency transparency, uint32_t download_buffer_size, bool is_big_endian)
     : Image(nullptr, 0, 0, type, transparency),
       buffer_(nullptr),
       download_buffer_(download_buffer_size),
       download_buffer_initial_size_(download_buffer_size),
       format_(format),
       fixed_width_(width),
-      fixed_height_(height) {
+      fixed_height_(height),
+      is_big_endian_(is_big_endian) {
   this->set_url(url);
 }
 
@@ -296,7 +297,7 @@ void OnlineImage::draw_pixel_(int x, int y, Color color) {
       break;
     }
     case ImageType::IMAGE_TYPE_GRAYSCALE: {
-      uint8_t gray = static_cast<uint8_t>(0.2125 * color.r + 0.7154 * color.g + 0.0721 * color.b);
+      auto gray = static_cast<uint8_t>(0.2125 * color.r + 0.7154 * color.g + 0.0721 * color.b);
       if (this->transparency_ == image::TRANSPARENCY_CHROMA_KEY) {
         if (gray == 1) {
           gray = 0;
@@ -314,8 +315,13 @@ void OnlineImage::draw_pixel_(int x, int y, Color color) {
     case ImageType::IMAGE_TYPE_RGB565: {
       this->map_chroma_key(color);
       uint16_t col565 = display::ColorUtil::color_to_565(color);
-      this->buffer_[pos + 0] = static_cast<uint8_t>((col565 >> 8) & 0xFF);
-      this->buffer_[pos + 1] = static_cast<uint8_t>(col565 & 0xFF);
+      if (this->is_big_endian_) {
+        this->buffer_[pos + 0] = static_cast<uint8_t>((col565 >> 8) & 0xFF);
+        this->buffer_[pos + 1] = static_cast<uint8_t>(col565 & 0xFF);
+      } else {
+        this->buffer_[pos + 0] = static_cast<uint8_t>(col565 & 0xFF);
+        this->buffer_[pos + 1] = static_cast<uint8_t>((col565 >> 8) & 0xFF);
+      }
       if (this->transparency_ == image::TRANSPARENCY_ALPHA_CHANNEL) {
         this->buffer_[pos + 2] = color.w;
       }

esphome/components/online_image/online_image.h

@@ -50,7 +50,7 @@ class OnlineImage : public PollingComponent,
    * @param buffer_size Size of the buffer used to download the image.
    */
   OnlineImage(const std::string &url, int width, int height, ImageFormat format, image::ImageType type,
-              image::Transparency transparency, uint32_t buffer_size);
+              image::Transparency transparency, uint32_t buffer_size, bool is_big_endian);
 
   void draw(int x, int y, display::Display *display, Color color_on, Color color_off) override;
 
@@ -164,6 +164,11 @@ class OnlineImage : public PollingComponent,
   const int fixed_width_;
   /** height requested on configuration, or 0 if non specified. */
   const int fixed_height_;
+  /**
+   * Whether the image is stored in big-endian format.
+   * This is used to determine how to store 16 bit colors in the buffer.
+   */
+  bool is_big_endian_;
   /**
    * Actual width of the current image. If fixed_width_ is specified,
    * this will be equal to it; otherwise it will be set once the decoding

esphome/components/opentherm/output/output.cpp

@@ -10,7 +10,7 @@ void opentherm::OpenthermOutput::write_state(float state) {
   ESP_LOGD(TAG, "Received state: %.2f. Min value: %.2f, max value: %.2f", state, min_value_, max_value_);
   this->state = state < 0.003 && this->zero_means_zero_
                     ? 0.0
-                    : clamp(lerp(state, min_value_, max_value_), min_value_, max_value_);
+                    : clamp(std::lerp(min_value_, max_value_, state), min_value_, max_value_);
   this->has_state_ = true;
   ESP_LOGD(TAG, "Output %s set to %.2f", this->id_, this->state);
 }

esphome/components/remote_receiver/__init__.py

@@ -60,6 +60,20 @@ RemoteReceiverComponent = remote_receiver_ns.class_(
 )
 
 
+def validate_config(config):
+    if CORE.is_esp32:
+        variant = esp32.get_esp32_variant()
+        if variant in (esp32.const.VARIANT_ESP32, esp32.const.VARIANT_ESP32S2):
+            max_idle = 65535
+        else:
+            max_idle = 32767
+        if CONF_CLOCK_RESOLUTION in config:
+            max_idle = int(max_idle * 1000000 / config[CONF_CLOCK_RESOLUTION])
+        if config[CONF_IDLE].total_microseconds > max_idle:
+            raise cv.Invalid(f"config 'idle' exceeds the maximum value of {max_idle}us")
+    return config
+
+
 def validate_tolerance(value):
     if isinstance(value, dict):
         return TOLERANCE_SCHEMA(value)
@@ -136,7 +150,9 @@ CONFIG_SCHEMA = remote_base.validate_triggers(
                 cv.boolean,
             ),
         }
-    ).extend(cv.COMPONENT_SCHEMA)
+    )
+    .extend(cv.COMPONENT_SCHEMA)
+    .add_extra(validate_config)
 )
 
 

esphome/components/remote_receiver/remote_receiver_esp32.cpp

@@ -86,10 +86,9 @@ void RemoteReceiverComponent::setup() {
 
   uint32_t event_size = sizeof(rmt_rx_done_event_data_t);
   uint32_t max_filter_ns = 255u * 1000 / (RMT_CLK_FREQ / 1000000);
-  uint32_t max_idle_ns = 65535u * 1000;
   memset(&this->store_.config, 0, sizeof(this->store_.config));
   this->store_.config.signal_range_min_ns = std::min(this->filter_us_ * 1000, max_filter_ns);
-  this->store_.config.signal_range_max_ns = std::min(this->idle_us_ * 1000, max_idle_ns);
+  this->store_.config.signal_range_max_ns = this->idle_us_ * 1000;
   this->store_.filter_symbols = this->filter_symbols_;
   this->store_.receive_size = this->receive_symbols_ * sizeof(rmt_symbol_word_t);
   this->store_.buffer_size = std::max((event_size + this->store_.receive_size) * 2, this->buffer_size_);

esphome/components/rp2040/helpers.cpp

@@ -44,6 +44,10 @@ void Mutex::unlock() {}
 IRAM_ATTR InterruptLock::InterruptLock() { state_ = save_and_disable_interrupts(); }
 IRAM_ATTR InterruptLock::~InterruptLock() { restore_interrupts(state_); }
 
+// RP2040 doesn't support lwIP core locking, so this is a no-op
+LwIPLock::LwIPLock() {}
+LwIPLock::~LwIPLock() {}
+
 void get_mac_address_raw(uint8_t *mac) {  // NOLINT(readability-non-const-parameter)
 #ifdef USE_WIFI
   WiFi.macAddress(mac);

esphome/components/sdl/sdl_esphome.cpp

@@ -48,6 +48,9 @@ void Sdl::draw_pixels_at(int x_start, int y_start, int w, int h, const uint8_t *
 }
 
 void Sdl::draw_pixel_at(int x, int y, Color color) {
+  if (!this->get_clipping().inside(x, y))
+    return;
+
   SDL_Rect rect{x, y, 1, 1};
   auto data = (display::ColorUtil::color_to_565(color, display::COLOR_ORDER_RGB));
   SDL_UpdateTexture(this->texture_, &rect, &data, 2);

esphome/components/servo/servo.cpp

@@ -88,9 +88,9 @@ void Servo::internal_write(float value) {
   value = clamp(value, -1.0f, 1.0f);
   float level;
   if (value < 0.0) {
-    level = lerp(-value, this->idle_level_, this->min_level_);
+    level = std::lerp(this->idle_level_, this->min_level_, -value);
   } else {
-    level = lerp(value, this->idle_level_, this->max_level_);
+    level = std::lerp(this->idle_level_, this->max_level_, value);
   }
   this->output_->set_level(level);
   this->current_value_ = value;

esphome/components/speaker/media_player/audio_pipeline.cpp

@@ -200,7 +200,7 @@ AudioPipelineState AudioPipeline::process_state() {
       if ((this->read_task_handle_ != nullptr) || (this->decode_task_handle_ != nullptr)) {
         this->delete_tasks_();
         if (this->hard_stop_) {
-          // Stop command was sent, so immediately end of the playback
+          // Stop command was sent, so immediately end the playback
           this->speaker_->stop();
           this->hard_stop_ = false;
         } else {
@@ -210,13 +210,25 @@ AudioPipelineState AudioPipeline::process_state() {
       }
     }
     this->is_playing_ = false;
-    return AudioPipelineState::STOPPED;
+    if (!this->speaker_->is_running()) {
+      return AudioPipelineState::STOPPED;
+    } else {
+      this->is_finishing_ = true;
+    }
   }
 
   if (this->pause_state_) {
     return AudioPipelineState::PAUSED;
   }
 
+  if (this->is_finishing_) {
+    if (!this->speaker_->is_running()) {
+      this->is_finishing_ = false;
+    } else {
+      return AudioPipelineState::PLAYING;
+    }
+  }
+
   if ((this->read_task_handle_ == nullptr) && (this->decode_task_handle_ == nullptr)) {
     // No tasks are running, so the pipeline is stopped.
     xEventGroupClearBits(this->event_group_, EventGroupBits::PIPELINE_COMMAND_STOP);

esphome/components/speaker/media_player/audio_pipeline.h

@@ -114,6 +114,7 @@ class AudioPipeline {
 
   bool hard_stop_{false};
   bool is_playing_{false};
+  bool is_finishing_{false};
   bool pause_state_{false};
   bool task_stack_in_psram_;
 

esphome/components/tuya/fan/__init__.py

@@ -1,7 +1,7 @@
 import esphome.codegen as cg
 from esphome.components import fan
 import esphome.config_validation as cv
-from esphome.const import CONF_OUTPUT_ID, CONF_SPEED_COUNT, CONF_SWITCH_DATAPOINT
+from esphome.const import CONF_ID, CONF_SPEED_COUNT, CONF_SWITCH_DATAPOINT
 
 from .. import CONF_TUYA_ID, Tuya, tuya_ns
 
@@ -14,9 +14,9 @@ CONF_DIRECTION_DATAPOINT = "direction_datapoint"
 TuyaFan = tuya_ns.class_("TuyaFan", cg.Component, fan.Fan)
 
 CONFIG_SCHEMA = cv.All(
-    fan.FAN_SCHEMA.extend(
+    fan.fan_schema(TuyaFan)
+    .extend(
         {
-            cv.GenerateID(CONF_OUTPUT_ID): cv.declare_id(TuyaFan),
             cv.GenerateID(CONF_TUYA_ID): cv.use_id(Tuya),
             cv.Optional(CONF_OSCILLATION_DATAPOINT): cv.uint8_t,
             cv.Optional(CONF_SPEED_DATAPOINT): cv.uint8_t,
@@ -24,7 +24,8 @@ CONFIG_SCHEMA = cv.All(
             cv.Optional(CONF_DIRECTION_DATAPOINT): cv.uint8_t,
             cv.Optional(CONF_SPEED_COUNT, default=3): cv.int_range(min=1, max=256),
         }
-    ).extend(cv.COMPONENT_SCHEMA),
+    )
+    .extend(cv.COMPONENT_SCHEMA),
     cv.has_at_least_one_key(CONF_SPEED_DATAPOINT, CONF_SWITCH_DATAPOINT),
 )
 
@@ -32,7 +33,7 @@ CONFIG_SCHEMA = cv.All(
 async def to_code(config):
     parent = await cg.get_variable(config[CONF_TUYA_ID])
 
-    var = cg.new_Pvariable(config[CONF_OUTPUT_ID], parent, config[CONF_SPEED_COUNT])
+    var = cg.new_Pvariable(config[CONF_ID], parent, config[CONF_SPEED_COUNT])
     await cg.register_component(var, config)
     await fan.register_fan(var, config)
 

esphome/components/voice_assistant/voice_assistant.cpp

@@ -35,6 +35,27 @@ void VoiceAssistant::setup() {
       temp_ring_buffer->write((void *) data.data(), data.size());
     }
   });
+
+#ifdef USE_MEDIA_PLAYER
+  if (this->media_player_ != nullptr) {
+    this->media_player_->add_on_state_callback([this]() {
+      switch (this->media_player_->state) {
+        case media_player::MediaPlayerState::MEDIA_PLAYER_STATE_ANNOUNCING:
+          if (this->media_player_response_state_ == MediaPlayerResponseState::URL_SENT) {
+            // State changed to announcing after receiving the url
+            this->media_player_response_state_ = MediaPlayerResponseState::PLAYING;
+          }
+          break;
+        default:
+          if (this->media_player_response_state_ == MediaPlayerResponseState::PLAYING) {
+            // No longer announcing the TTS response
+            this->media_player_response_state_ = MediaPlayerResponseState::FINISHED;
+          }
+          break;
+      }
+    });
+  }
+#endif
 }
 
 float VoiceAssistant::get_setup_priority() const { return setup_priority::AFTER_CONNECTION; }
@@ -223,6 +244,13 @@ void VoiceAssistant::loop() {
       msg.wake_word_phrase = this->wake_word_;
       this->wake_word_ = "";
 
+      // Reset media player state tracking
+#ifdef USE_MEDIA_PLAYER
+      if (this->media_player_ != nullptr) {
+        this->media_player_response_state_ = MediaPlayerResponseState::IDLE;
+      }
+#endif
+
       if (this->api_client_ == nullptr || !this->api_client_->send_message(msg)) {
         ESP_LOGW(TAG, "Could not request start");
         this->error_trigger_->trigger("not-connected", "Could not request start");
@@ -314,17 +342,10 @@ void VoiceAssistant::loop() {
 #endif
 #ifdef USE_MEDIA_PLAYER
       if (this->media_player_ != nullptr) {
-        playing = (this->media_player_->state == media_player::MediaPlayerState::MEDIA_PLAYER_STATE_ANNOUNCING);
+        playing = (this->media_player_response_state_ == MediaPlayerResponseState::PLAYING);
 
-        if (playing && this->media_player_wait_for_announcement_start_) {
-          // Announcement has started playing, wait for it to finish
-          this->media_player_wait_for_announcement_start_ = false;
-          this->media_player_wait_for_announcement_end_ = true;
-        }
-
-        if (!playing && this->media_player_wait_for_announcement_end_) {
-          // Announcement has finished playing
-          this->media_player_wait_for_announcement_end_ = false;
+        if (this->media_player_response_state_ == MediaPlayerResponseState::FINISHED) {
+          this->media_player_response_state_ = MediaPlayerResponseState::IDLE;
           this->cancel_timeout("playing");
           ESP_LOGD(TAG, "Announcement finished playing");
           this->set_state_(State::RESPONSE_FINISHED, State::RESPONSE_FINISHED);
@@ -555,7 +576,7 @@ void VoiceAssistant::request_stop() {
       break;
     case State::AWAITING_RESPONSE:
       this->signal_stop_();
-      // Fallthrough intended to stop a streaming TTS announcement that has potentially started
+      break;
     case State::STREAMING_RESPONSE:
 #ifdef USE_MEDIA_PLAYER
       // Stop any ongoing media player announcement
@@ -565,6 +586,10 @@ void VoiceAssistant::request_stop() {
             .set_announcement(true)
             .perform();
       }
+      if (this->started_streaming_tts_) {
+        // Haven't reached the TTS_END stage, so send the stop signal to HA.
+        this->signal_stop_();
+      }
 #endif
       break;
     case State::RESPONSE_FINISHED:
@@ -648,13 +673,16 @@ void VoiceAssistant::on_event(const api::VoiceAssistantEventResponse &msg) {
       if (this->media_player_ != nullptr) {
         for (const auto &arg : msg.data) {
           if ((arg.name == "tts_start_streaming") && (arg.value == "1") && !this->tts_response_url_.empty()) {
+            this->media_player_response_state_ = MediaPlayerResponseState::URL_SENT;
+
             this->media_player_->make_call().set_media_url(this->tts_response_url_).set_announcement(true).perform();
 
-            this->media_player_wait_for_announcement_start_ = true;
-            this->media_player_wait_for_announcement_end_ = false;
             this->started_streaming_tts_ = true;
+            this->start_playback_timeout_();
+
             tts_url_for_trigger = this->tts_response_url_;
             this->tts_response_url_.clear();  // Reset streaming URL
+            this->set_state_(State::STREAMING_RESPONSE, State::STREAMING_RESPONSE);
           }
         }
       }
@@ -713,18 +741,22 @@ void VoiceAssistant::on_event(const api::VoiceAssistantEventResponse &msg) {
       this->defer([this, url]() {
 #ifdef USE_MEDIA_PLAYER
         if ((this->media_player_ != nullptr) && (!this->started_streaming_tts_)) {
+          this->media_player_response_state_ = MediaPlayerResponseState::URL_SENT;
+
           this->media_player_->make_call().set_media_url(url).set_announcement(true).perform();
 
-          this->media_player_wait_for_announcement_start_ = true;
-          this->media_player_wait_for_announcement_end_ = false;
-          // Start the playback timeout, as the media player state isn't immediately updated
           this->start_playback_timeout_();
         }
+        this->started_streaming_tts_ = false;  // Helps indicate reaching the TTS_END stage
 #endif
         this->tts_end_trigger_->trigger(url);
       });
       State new_state = this->local_output_ ? State::STREAMING_RESPONSE : State::IDLE;
-      this->set_state_(new_state, new_state);
+      if (new_state != this->state_) {
+        // Don't needlessly change the state. The intent progress stage may have already changed the state to streaming
+        // response.
+        this->set_state_(new_state, new_state);
+      }
       break;
     }
     case api::enums::VOICE_ASSISTANT_RUN_END: {
@@ -875,6 +907,9 @@ void VoiceAssistant::on_announce(const api::VoiceAssistantAnnounceRequest &msg)
 #ifdef USE_MEDIA_PLAYER
   if (this->media_player_ != nullptr) {
     this->tts_start_trigger_->trigger(msg.text);
+
+    this->media_player_response_state_ = MediaPlayerResponseState::URL_SENT;
+
     if (!msg.preannounce_media_id.empty()) {
       this->media_player_->make_call().set_media_url(msg.preannounce_media_id).set_announcement(true).perform();
     }
@@ -886,9 +921,6 @@ void VoiceAssistant::on_announce(const api::VoiceAssistantAnnounceRequest &msg)
         .perform();
     this->continue_conversation_ = msg.start_conversation;
 
-    this->media_player_wait_for_announcement_start_ = true;
-    this->media_player_wait_for_announcement_end_ = false;
-    // Start the playback timeout, as the media player state isn't immediately updated
     this->start_playback_timeout_();
 
     if (this->continuous_) {

esphome/components/voice_assistant/voice_assistant.h

@@ -90,6 +90,15 @@ struct Configuration {
   uint32_t max_active_wake_words;
 };
 
+#ifdef USE_MEDIA_PLAYER
+enum class MediaPlayerResponseState {
+  IDLE,
+  URL_SENT,
+  PLAYING,
+  FINISHED,
+};
+#endif
+
 class VoiceAssistant : public Component {
  public:
   VoiceAssistant();
@@ -272,8 +281,8 @@ class VoiceAssistant : public Component {
   media_player::MediaPlayer *media_player_{nullptr};
   std::string tts_response_url_{""};
   bool started_streaming_tts_{false};
-  bool media_player_wait_for_announcement_start_{false};
-  bool media_player_wait_for_announcement_end_{false};
+
+  MediaPlayerResponseState media_player_response_state_{MediaPlayerResponseState::IDLE};
 #endif
 
   bool local_output_{false};

esphome/components/web_server/__init__.py

@@ -74,13 +74,14 @@ def validate_local(config: ConfigType) -> ConfigType:
     return config
 
 
-def validate_ota_removed(config: ConfigType) -> ConfigType:
-    # Only raise error if OTA is explicitly enabled (True)
-    # If it's False or not specified, we can safely ignore it
-    if config.get(CONF_OTA):
+def validate_ota(config: ConfigType) -> ConfigType:
+    # The OTA option only accepts False to explicitly disable OTA for web_server
+    # IMPORTANT: Setting ota: false ONLY affects the web_server component
+    # The captive_portal component will still be able to perform OTA updates
+    if CONF_OTA in config and config[CONF_OTA] is not False:
         raise cv.Invalid(
-            f"The '{CONF_OTA}' option has been removed from 'web_server'. "
-            f"Please use the new OTA platform structure instead:\n\n"
+            f"The '{CONF_OTA}' option in 'web_server' only accepts 'false' to disable OTA. "
+            f"To enable OTA, please use the new OTA platform structure instead:\n\n"
             f"ota:\n"
             f"  - platform: web_server\n\n"
             f"See https://esphome.io/components/ota for more information."
@@ -185,7 +186,7 @@ CONFIG_SCHEMA = cv.All(
                 web_server_base.WebServerBase
             ),
             cv.Optional(CONF_INCLUDE_INTERNAL, default=False): cv.boolean,
-            cv.Optional(CONF_OTA, default=False): cv.boolean,
+            cv.Optional(CONF_OTA): cv.boolean,
             cv.Optional(CONF_LOG, default=True): cv.boolean,
             cv.Optional(CONF_LOCAL): cv.boolean,
             cv.Optional(CONF_SORTING_GROUPS): cv.ensure_list(sorting_group),
@@ -203,7 +204,7 @@ CONFIG_SCHEMA = cv.All(
     default_url,
     validate_local,
     validate_sorting_groups,
-    validate_ota_removed,
+    validate_ota,
 )
 
 
@@ -288,7 +289,11 @@ async def to_code(config):
         cg.add(var.set_css_url(config[CONF_CSS_URL]))
         cg.add(var.set_js_url(config[CONF_JS_URL]))
     # OTA is now handled by the web_server OTA platform
-    # The CONF_OTA option is kept only for backwards compatibility validation
+    # The CONF_OTA option is kept to allow explicitly disabling OTA for web_server
+    # IMPORTANT: This ONLY affects the web_server component, NOT captive_portal
+    # Captive portal will still be able to perform OTA updates even when this is set
+    if config.get(CONF_OTA) is False:
+        cg.add_define("USE_WEBSERVER_OTA_DISABLED")
     cg.add(var.set_expose_log(config[CONF_LOG]))
     if config[CONF_ENABLE_PRIVATE_NETWORK_ACCESS]:
         cg.add_define("USE_WEBSERVER_PRIVATE_NETWORK_ACCESS")

esphome/components/web_server/ota/ota_web_server.cpp

@@ -5,6 +5,10 @@
 #include "esphome/core/application.h"
 #include "esphome/core/log.h"
 
+#ifdef USE_CAPTIVE_PORTAL
+#include "esphome/components/captive_portal/captive_portal.h"
+#endif
+
 #ifdef USE_ARDUINO
 #ifdef USE_ESP8266
 #include <Updater.h>
@@ -25,7 +29,22 @@ class OTARequestHandler : public AsyncWebHandler {
   void handleUpload(AsyncWebServerRequest *request, const String &filename, size_t index, uint8_t *data, size_t len,
                     bool final) override;
   bool canHandle(AsyncWebServerRequest *request) const override {
-    return request->url() == "/update" && request->method() == HTTP_POST;
+    // Check if this is an OTA update request
+    bool is_ota_request = request->url() == "/update" && request->method() == HTTP_POST;
+
+#if defined(USE_WEBSERVER_OTA_DISABLED) && defined(USE_CAPTIVE_PORTAL)
+    // IMPORTANT: USE_WEBSERVER_OTA_DISABLED only disables OTA for the web_server component
+    // Captive portal can still perform OTA updates - check if request is from active captive portal
+    // Note: global_captive_portal is the standard way components communicate in ESPHome
+    return is_ota_request && captive_portal::global_captive_portal != nullptr &&
+           captive_portal::global_captive_portal->is_active();
+#elif defined(USE_WEBSERVER_OTA_DISABLED)
+    // OTA disabled for web_server and no captive portal compiled in
+    return false;
+#else
+    // OTA enabled for web_server
+    return is_ota_request;
+#endif
   }
 
   // NOLINTNEXTLINE(readability-identifier-naming)
@@ -57,7 +76,7 @@ void OTARequestHandler::report_ota_progress_(AsyncWebServerRequest *request) {
       percentage = (this->ota_read_length_ * 100.0f) / request->contentLength();
       ESP_LOGD(TAG, "OTA in progress: %0.1f%%", percentage);
     } else {
-      ESP_LOGD(TAG, "OTA in progress: %u bytes read", this->ota_read_length_);
+      ESP_LOGD(TAG, "OTA in progress: %" PRIu32 " bytes read", this->ota_read_length_);
     }
 #ifdef USE_OTA_STATE_CALLBACK
     // Report progress - use call_deferred since we're in web server task
@@ -152,7 +171,7 @@ void OTARequestHandler::handleUpload(AsyncWebServerRequest *request, const Strin
 
   // Finalize
   if (final) {
-    ESP_LOGD(TAG, "OTA final chunk: index=%u, len=%u, total_read=%u, contentLength=%u", index, len,
+    ESP_LOGD(TAG, "OTA final chunk: index=%zu, len=%zu, total_read=%" PRIu32 ", contentLength=%zu", index, len,
              this->ota_read_length_, request->contentLength());
 
     // For Arduino framework, the Update library tracks expected size from firmware header

esphome/components/web_server/web_server.cpp

@@ -268,10 +268,10 @@ std::string WebServer::get_config_json() {
   return json::build_json([this](JsonObject root) {
     root["title"] = App.get_friendly_name().empty() ? App.get_name() : App.get_friendly_name();
     root["comment"] = App.get_comment();
-#ifdef USE_WEBSERVER_OTA
-    root["ota"] = true;  // web_server OTA platform is configured
+#if defined(USE_WEBSERVER_OTA_DISABLED) || !defined(USE_WEBSERVER_OTA)
+    root["ota"] = false;  // Note: USE_WEBSERVER_OTA_DISABLED only affects web_server, not captive_portal
 #else
-    root["ota"] = false;
+    root["ota"] = true;
 #endif
     root["log"] = this->expose_log_;
     root["lang"] = "en";
@@ -792,7 +792,7 @@ std::string WebServer::light_json(light::LightState *obj, JsonDetail start_confi
 
     light::LightJSONSchema::dump_json(*obj, root);
     if (start_config == DETAIL_ALL) {
-      JsonArray opt = root.createNestedArray("effects");
+      JsonArray opt = root["effects"].to<JsonArray>();
       opt.add("None");
       for (auto const &option : obj->get_effects()) {
         opt.add(option->get_name());
@@ -1238,7 +1238,7 @@ std::string WebServer::select_json(select::Select *obj, const std::string &value
   return json::build_json([this, obj, value, start_config](JsonObject root) {
     set_json_icon_state_value(root, obj, "select-" + obj->get_object_id(), value, value, start_config);
     if (start_config == DETAIL_ALL) {
-      JsonArray opt = root.createNestedArray("option");
+      JsonArray opt = root["option"].to<JsonArray>();
       for (auto &option : obj->traits.get_options()) {
         opt.add(option);
       }
@@ -1322,6 +1322,7 @@ std::string WebServer::climate_all_json_generator(WebServer *web_server, void *s
   return web_server->climate_json((climate::Climate *) (source), DETAIL_ALL);
 }
 std::string WebServer::climate_json(climate::Climate *obj, JsonDetail start_config) {
+  // NOLINTBEGIN(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
   return json::build_json([this, obj, start_config](JsonObject root) {
     set_json_id(root, obj, "climate-" + obj->get_object_id(), start_config);
     const auto traits = obj->get_traits();
@@ -1330,32 +1331,32 @@ std::string WebServer::climate_json(climate::Climate *obj, JsonDetail start_conf
     char buf[16];
 
     if (start_config == DETAIL_ALL) {
-      JsonArray opt = root.createNestedArray("modes");
+      JsonArray opt = root["modes"].to<JsonArray>();
       for (climate::ClimateMode m : traits.get_supported_modes())
         opt.add(PSTR_LOCAL(climate::climate_mode_to_string(m)));
       if (!traits.get_supported_custom_fan_modes().empty()) {
-        JsonArray opt = root.createNestedArray("fan_modes");
+        JsonArray opt = root["fan_modes"].to<JsonArray>();
         for (climate::ClimateFanMode m : traits.get_supported_fan_modes())
           opt.add(PSTR_LOCAL(climate::climate_fan_mode_to_string(m)));
       }
 
       if (!traits.get_supported_custom_fan_modes().empty()) {
-        JsonArray opt = root.createNestedArray("custom_fan_modes");
+        JsonArray opt = root["custom_fan_modes"].to<JsonArray>();
         for (auto const &custom_fan_mode : traits.get_supported_custom_fan_modes())
           opt.add(custom_fan_mode);
       }
       if (traits.get_supports_swing_modes()) {
-        JsonArray opt = root.createNestedArray("swing_modes");
+        JsonArray opt = root["swing_modes"].to<JsonArray>();
         for (auto swing_mode : traits.get_supported_swing_modes())
           opt.add(PSTR_LOCAL(climate::climate_swing_mode_to_string(swing_mode)));
       }
       if (traits.get_supports_presets() && obj->preset.has_value()) {
-        JsonArray opt = root.createNestedArray("presets");
+        JsonArray opt = root["presets"].to<JsonArray>();
         for (climate::ClimatePreset m : traits.get_supported_presets())
           opt.add(PSTR_LOCAL(climate::climate_preset_to_string(m)));
       }
       if (!traits.get_supported_custom_presets().empty() && obj->custom_preset.has_value()) {
-        JsonArray opt = root.createNestedArray("custom_presets");
+        JsonArray opt = root["custom_presets"].to<JsonArray>();
         for (auto const &custom_preset : traits.get_supported_custom_presets())
           opt.add(custom_preset);
       }
@@ -1407,6 +1408,7 @@ std::string WebServer::climate_json(climate::Climate *obj, JsonDetail start_conf
         root["state"] = root["target_temperature"];
     }
   });
+  // NOLINTEND(clang-analyzer-cplusplus.NewDeleteLeaks)
 }
 #endif
 
@@ -1618,7 +1620,9 @@ void WebServer::handle_event_request(AsyncWebServerRequest *request, const UrlMa
   request->send(404);
 }
 
-static std::string get_event_type(event::Event *event) { return event->last_event_type ? *event->last_event_type : ""; }
+static std::string get_event_type(event::Event *event) {
+  return (event && event->last_event_type) ? *event->last_event_type : "";
+}
 
 std::string WebServer::event_state_json_generator(WebServer *web_server, void *source) {
   auto *event = static_cast<event::Event *>(source);
@@ -1635,7 +1639,7 @@ std::string WebServer::event_json(event::Event *obj, const std::string &event_ty
       root["event_type"] = event_type;
     }
     if (start_config == DETAIL_ALL) {
-      JsonArray event_types = root.createNestedArray("event_types");
+      JsonArray event_types = root["event_types"].to<JsonArray>();
       for (auto const &event_type : obj->get_event_types()) {
         event_types.add(event_type);
       }
@@ -1682,6 +1686,7 @@ std::string WebServer::update_all_json_generator(WebServer *web_server, void *so
   return web_server->update_json((update::UpdateEntity *) (source), DETAIL_STATE);
 }
 std::string WebServer::update_json(update::UpdateEntity *obj, JsonDetail start_config) {
+  // NOLINTBEGIN(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
   return json::build_json([this, obj, start_config](JsonObject root) {
     set_json_id(root, obj, "update-" + obj->get_object_id(), start_config);
     root["value"] = obj->update_info.latest_version;
@@ -1707,6 +1712,7 @@ std::string WebServer::update_json(update::UpdateEntity *obj, JsonDetail start_c
       this->add_sorting_info_(root, obj);
     }
   });
+  // NOLINTEND(clang-analyzer-cplusplus.NewDeleteLeaks)
 }
 #endif
 

esphome/components/web_server/web_server_v1.cpp

@@ -192,7 +192,9 @@ void WebServer::handle_index_request(AsyncWebServerRequest *request) {
 
   stream->print(F("</tbody></table><p>See <a href=\"https://esphome.io/web-api/index.html\">ESPHome Web API</a> for "
                   "REST API documentation.</p>"));
-#ifdef USE_WEBSERVER_OTA
+#if defined(USE_WEBSERVER_OTA) && !defined(USE_WEBSERVER_OTA_DISABLED)
+  // Show OTA form only if web_server OTA is not explicitly disabled
+  // Note: USE_WEBSERVER_OTA_DISABLED only affects web_server, not captive_portal
   stream->print(F("<h2>OTA Update</h2><form method=\"POST\" action=\"/update\" enctype=\"multipart/form-data\"><input "
                   "type=\"file\" name=\"update\"><input type=\"submit\" value=\"Update\"></form>"));
 #endif

esphome/components/web_server_base/__init__.py

@@ -40,4 +40,4 @@ async def to_code(config):
         if CORE.is_esp8266:
             cg.add_library("ESP8266WiFi", None)
         # https://github.com/ESP32Async/ESPAsyncWebServer/blob/main/library.json
-        cg.add_library("ESP32Async/ESPAsyncWebServer", "3.7.8")
+        cg.add_library("ESP32Async/ESPAsyncWebServer", "3.7.10")

esphome/components/web_server_idf/web_server_idf.cpp

@@ -389,10 +389,12 @@ AsyncEventSourceResponse::AsyncEventSourceResponse(const AsyncWebServerRequest *
 
 #ifdef USE_WEBSERVER_SORTING
   for (auto &group : ws->sorting_groups_) {
+    // NOLINTBEGIN(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
     message = json::build_json([group](JsonObject root) {
       root["name"] = group.second.name;
       root["sorting_weight"] = group.second.weight;
     });
+    // NOLINTEND(clang-analyzer-cplusplus.NewDeleteLeaks)
 
     // a (very) large number of these should be able to be queued initially without defer
     // since the only thing in the send buffer at this point is the initial ping/config

esphome/components/wifi/wifi_component_esp32_arduino.cpp

@@ -20,10 +20,6 @@
 #include "lwip/dns.h"
 #include "lwip/err.h"
 
-#ifdef CONFIG_LWIP_TCPIP_CORE_LOCKING
-#include "lwip/priv/tcpip_priv.h"
-#endif
-
 #include "esphome/core/application.h"
 #include "esphome/core/hal.h"
 #include "esphome/core/helpers.h"
@@ -295,25 +291,16 @@ bool WiFiComponent::wifi_sta_ip_config_(optional<ManualIP> manual_ip) {
   }
 
   if (!manual_ip.has_value()) {
-// sntp_servermode_dhcp lwip/sntp.c (Required to lock TCPIP core functionality!)
-// https://github.com/esphome/issues/issues/6591
-// https://github.com/espressif/arduino-esp32/issues/10526
-#ifdef CONFIG_LWIP_TCPIP_CORE_LOCKING
-    if (!sys_thread_tcpip(LWIP_CORE_LOCK_QUERY_HOLDER)) {
-      LOCK_TCPIP_CORE();
+    // sntp_servermode_dhcp lwip/sntp.c (Required to lock TCPIP core functionality!)
+    // https://github.com/esphome/issues/issues/6591
+    // https://github.com/espressif/arduino-esp32/issues/10526
+    {
+      LwIPLock lock;
+      // lwIP starts the SNTP client if it gets an SNTP server from DHCP. We don't need the time, and more importantly,
+      // the built-in SNTP client has a memory leak in certain situations. Disable this feature.
+      // https://github.com/esphome/issues/issues/2299
+      sntp_servermode_dhcp(false);
     }
-#endif
-
-    // lwIP starts the SNTP client if it gets an SNTP server from DHCP. We don't need the time, and more importantly,
-    // the built-in SNTP client has a memory leak in certain situations. Disable this feature.
-    // https://github.com/esphome/issues/issues/2299
-    sntp_servermode_dhcp(false);
-
-#ifdef CONFIG_LWIP_TCPIP_CORE_LOCKING
-    if (sys_thread_tcpip(LWIP_CORE_LOCK_QUERY_HOLDER)) {
-      UNLOCK_TCPIP_CORE();
-    }
-#endif
 
     // No manual IP is set; use DHCP client
     if (dhcp_status != ESP_NETIF_DHCP_STARTED) {

esphome/components/wireguard/wireguard.cpp

@@ -8,6 +8,7 @@
 #include "esphome/core/log.h"
 #include "esphome/core/time.h"
 #include "esphome/components/network/util.h"
+#include "esphome/core/helpers.h"
 
 #include <esp_wireguard.h>
 #include <esp_wireguard_err.h>
@@ -42,7 +43,10 @@ void Wireguard::setup() {
 
   this->publish_enabled_state();
 
-  this->wg_initialized_ = esp_wireguard_init(&(this->wg_config_), &(this->wg_ctx_));
+  {
+    LwIPLock lock;
+    this->wg_initialized_ = esp_wireguard_init(&(this->wg_config_), &(this->wg_ctx_));
+  }
 
   if (this->wg_initialized_ == ESP_OK) {
     ESP_LOGI(TAG, "Initialized");
@@ -249,7 +253,10 @@ void Wireguard::start_connection_() {
   }
 
   ESP_LOGD(TAG, "Starting connection");
-  this->wg_connected_ = esp_wireguard_connect(&(this->wg_ctx_));
+  {
+    LwIPLock lock;
+    this->wg_connected_ = esp_wireguard_connect(&(this->wg_ctx_));
+  }
 
   if (this->wg_connected_ == ESP_OK) {
     ESP_LOGI(TAG, "Connection started");
@@ -280,7 +287,10 @@ void Wireguard::start_connection_() {
 void Wireguard::stop_connection_() {
   if (this->wg_initialized_ == ESP_OK && this->wg_connected_ == ESP_OK) {
     ESP_LOGD(TAG, "Stopping connection");
-    esp_wireguard_disconnect(&(this->wg_ctx_));
+    {
+      LwIPLock lock;
+      esp_wireguard_disconnect(&(this->wg_ctx_));
+    }
     this->wg_connected_ = ESP_FAIL;
   }
 }

esphome/config_validation.py

@@ -73,6 +73,7 @@ from esphome.const import (
     TYPE_GIT,
     TYPE_LOCAL,
     VALID_SUBSTITUTIONS_CHARACTERS,
+    Framework,
     __version__ as ESPHOME_VERSION,
 )
 from esphome.core import (
@@ -282,6 +283,38 @@ class FinalExternalInvalid(Invalid):
     """Represents an invalid value in the final validation phase where the path should not be prepended."""
 
 
+@dataclass(frozen=True, order=True)
+class Version:
+    major: int
+    minor: int
+    patch: int
+    extra: str = ""
+
+    def __str__(self):
+        return f"{self.major}.{self.minor}.{self.patch}"
+
+    @classmethod
+    def parse(cls, value: str) -> Version:
+        match = re.match(r"^(\d+).(\d+).(\d+)-?(\w*)$", value)
+        if match is None:
+            raise ValueError(f"Not a valid version number {value}")
+        major = int(match[1])
+        minor = int(match[2])
+        patch = int(match[3])
+        extra = match[4] or ""
+        return Version(major=major, minor=minor, patch=patch, extra=extra)
+
+    @property
+    def is_beta(self) -> bool:
+        """Check if this version is a beta version."""
+        return self.extra.startswith("b")
+
+    @property
+    def is_dev(self) -> bool:
+        """Check if this version is a development version."""
+        return self.extra.startswith("dev")
+
+
 def check_not_templatable(value):
     if isinstance(value, Lambda):
         raise Invalid("This option is not templatable!")
@@ -619,16 +652,35 @@ def only_on(platforms):
     return validator_
 
 
-def only_with_framework(frameworks):
+def only_with_framework(
+    frameworks: Framework | str | list[Framework | str], suggestions=None
+):
     """Validate that this option can only be specified on the given frameworks."""
     if not isinstance(frameworks, list):
         frameworks = [frameworks]
 
+    frameworks = [Framework(framework) for framework in frameworks]
+
+    if suggestions is None:
+        suggestions = {}
+
+    version = Version.parse(ESPHOME_VERSION)
+    if version.is_beta:
+        docs_format = "https://beta.esphome.io/components/{path}"
+    elif version.is_dev:
+        docs_format = "https://next.esphome.io/components/{path}"
+    else:
+        docs_format = "https://esphome.io/components/{path}"
+
     def validator_(obj):
         if CORE.target_framework not in frameworks:
-            raise Invalid(
-                f"This feature is only available with frameworks {frameworks}"
-            )
+            err_str = f"This feature is only available with framework(s) {', '.join([framework.value for framework in frameworks])}"
+            if suggestion := suggestions.get(CORE.target_framework, None):
+                (component, docs_path) = suggestion
+                err_str += f"\nPlease use '{component}'"
+                if docs_path:
+                    err_str += f": {docs_format.format(path=docs_path)}"
+            raise Invalid(err_str)
         return obj
 
     return validator_
@@ -637,8 +689,8 @@ def only_with_framework(frameworks):
 only_on_esp32 = only_on(PLATFORM_ESP32)
 only_on_esp8266 = only_on(PLATFORM_ESP8266)
 only_on_rp2040 = only_on(PLATFORM_RP2040)
-only_with_arduino = only_with_framework("arduino")
-only_with_esp_idf = only_with_framework("esp-idf")
+only_with_arduino = only_with_framework(Framework.ARDUINO)
+only_with_esp_idf = only_with_framework(Framework.ESP_IDF)
 
 
 # Adapted from:
@@ -1965,26 +2017,6 @@ def source_refresh(value: str):
     return positive_time_period_seconds(value)
 
 
-@dataclass(frozen=True, order=True)
-class Version:
-    major: int
-    minor: int
-    patch: int
-
-    def __str__(self):
-        return f"{self.major}.{self.minor}.{self.patch}"
-
-    @classmethod
-    def parse(cls, value: str) -> Version:
-        match = re.match(r"^(\d+).(\d+).(\d+)-?\w*$", value)
-        if match is None:
-            raise ValueError(f"Not a valid version number {value}")
-        major = int(match[1])
-        minor = int(match[2])
-        patch = int(match[3])
-        return Version(major=major, minor=minor, patch=patch)
-
-
 def version_number(value):
     value = string_strict(value)
     try:

esphome/const.py

@@ -4,7 +4,7 @@ from enum import Enum
 
 from esphome.enum import StrEnum
 
-__version__ = "2025.7.0b3"
+__version__ = "2025.7.4"
 
 ALLOWED_NAME_CHARS = "abcdefghijklmnopqrstuvwxyz0123456789-_"
 VALID_SUBSTITUTIONS_CHARACTERS = (

esphome/core/application.cpp

@@ -68,8 +68,11 @@ void Application::setup() {
 
     do {
       uint8_t new_app_state = STATUS_LED_WARNING;
-      this->scheduler.call();
-      this->feed_wdt();
+      uint32_t now = millis();
+
+      // Process pending loop enables to handle GPIO interrupts during setup
+      this->before_loop_tasks_(now);
+
       for (uint32_t j = 0; j <= i; j++) {
         // Update loop_component_start_time_ right before calling each component
         this->loop_component_start_time_ = millis();
@@ -78,6 +81,8 @@ void Application::setup() {
         this->app_state_ |= new_app_state;
         this->feed_wdt();
       }
+
+      this->after_loop_tasks_();
       this->app_state_ = new_app_state;
       yield();
     } while (!component->can_proceed());
@@ -94,30 +99,10 @@ void Application::setup() {
 void Application::loop() {
   uint8_t new_app_state = 0;
 
-  this->scheduler.call();
-
   // Get the initial loop time at the start
   uint32_t last_op_end_time = millis();
 
-  // Feed WDT with time
-  this->feed_wdt(last_op_end_time);
-
-  // Process any pending enable_loop requests from ISRs
-  // This must be done before marking in_loop_ = true to avoid race conditions
-  if (this->has_pending_enable_loop_requests_) {
-    // Clear flag BEFORE processing to avoid race condition
-    // If ISR sets it during processing, we'll catch it next loop iteration
-    // This is safe because:
-    // 1. Each component has its own pending_enable_loop_ flag that we check
-    // 2. If we can't process a component (wrong state), enable_pending_loops_()
-    //    will set this flag back to true
-    // 3. Any new ISR requests during processing will set the flag again
-    this->has_pending_enable_loop_requests_ = false;
-    this->enable_pending_loops_();
-  }
-
-  // Mark that we're in the loop for safe reentrant modifications
-  this->in_loop_ = true;
+  this->before_loop_tasks_(last_op_end_time);
 
   for (this->current_loop_index_ = 0; this->current_loop_index_ < this->looping_components_active_end_;
        this->current_loop_index_++) {
@@ -138,7 +123,7 @@ void Application::loop() {
     this->feed_wdt(last_op_end_time);
   }
 
-  this->in_loop_ = false;
+  this->after_loop_tasks_();
   this->app_state_ = new_app_state;
 
   // Use the last component's end time instead of calling millis() again
@@ -309,6 +294,12 @@ void Application::disable_component_loop_(Component *component) {
         if (this->in_loop_ && i == this->current_loop_index_) {
           // Decrement so we'll process the swapped component next
           this->current_loop_index_--;
+          // Update the loop start time to current time so the swapped component
+          // gets correct timing instead of inheriting stale timing.
+          // This prevents integer underflow in timing calculations by ensuring
+          // the swapped component starts with a fresh timing reference, avoiding
+          // errors caused by stale or wrapped timing values.
+          this->loop_component_start_time_ = millis();
         }
       }
       return;
@@ -394,6 +385,36 @@ void Application::enable_pending_loops_() {
   }
 }
 
+void Application::before_loop_tasks_(uint32_t loop_start_time) {
+  // Process scheduled tasks
+  this->scheduler.call();
+
+  // Feed the watchdog timer
+  this->feed_wdt(loop_start_time);
+
+  // Process any pending enable_loop requests from ISRs
+  // This must be done before marking in_loop_ = true to avoid race conditions
+  if (this->has_pending_enable_loop_requests_) {
+    // Clear flag BEFORE processing to avoid race condition
+    // If ISR sets it during processing, we'll catch it next loop iteration
+    // This is safe because:
+    // 1. Each component has its own pending_enable_loop_ flag that we check
+    // 2. If we can't process a component (wrong state), enable_pending_loops_()
+    //    will set this flag back to true
+    // 3. Any new ISR requests during processing will set the flag again
+    this->has_pending_enable_loop_requests_ = false;
+    this->enable_pending_loops_();
+  }
+
+  // Mark that we're in the loop for safe reentrant modifications
+  this->in_loop_ = true;
+}
+
+void Application::after_loop_tasks_() {
+  // Clear the in_loop_ flag to indicate we're done processing components
+  this->in_loop_ = false;
+}
+
 #ifdef USE_SOCKET_SELECT_SUPPORT
 bool Application::register_socket_fd(int fd) {
   // WARNING: This function is NOT thread-safe and must only be called from the main loop

esphome/core/application.h

@@ -504,6 +504,8 @@ class Application {
   void enable_component_loop_(Component *component);
   void enable_pending_loops_();
   void activate_looping_component_(uint16_t index);
+  void before_loop_tasks_(uint32_t loop_start_time);
+  void after_loop_tasks_();
 
   void feed_wdt_arch_();
 

esphome/core/base_automation.h

@@ -158,14 +158,14 @@ template<typename... Ts> class DelayAction : public Action<Ts...>, public Compon
   void play_complex(Ts... x) override {
     auto f = std::bind(&DelayAction<Ts...>::play_next_, this, x...);
     this->num_running_++;
-    this->set_timeout(this->delay_.value(x...), f);
+    this->set_timeout("delay", this->delay_.value(x...), f);
   }
   float get_setup_priority() const override { return setup_priority::HARDWARE; }
 
   void play(Ts... x) override { /* ignore - see play_complex */
   }
 
-  void stop() override { this->cancel_timeout(""); }
+  void stop() override { this->cancel_timeout("delay"); }
 };
 
 template<typename... Ts> class LambdaAction : public Action<Ts...> {

esphome/core/component.cpp

@@ -252,10 +252,10 @@ void Component::defer(const char *name, std::function<void()> &&f) {  // NOLINT
   App.scheduler.set_timeout(this, name, 0, std::move(f));
 }
 void Component::set_timeout(uint32_t timeout, std::function<void()> &&f) {  // NOLINT
-  App.scheduler.set_timeout(this, "", timeout, std::move(f));
+  App.scheduler.set_timeout(this, static_cast<const char *>(nullptr), timeout, std::move(f));
 }
 void Component::set_interval(uint32_t interval, std::function<void()> &&f) {  // NOLINT
-  App.scheduler.set_interval(this, "", interval, std::move(f));
+  App.scheduler.set_interval(this, static_cast<const char *>(nullptr), interval, std::move(f));
 }
 void Component::set_retry(uint32_t initial_wait_time, uint8_t max_attempts, std::function<RetryResult(uint8_t)> &&f,
                           float backoff_increase_factor) {  // NOLINT
@@ -264,6 +264,7 @@ void Component::set_retry(uint32_t initial_wait_time, uint8_t max_attempts, std:
 bool Component::is_failed() const { return (this->component_state_ & COMPONENT_STATE_MASK) == COMPONENT_STATE_FAILED; }
 bool Component::is_ready() const {
   return (this->component_state_ & COMPONENT_STATE_MASK) == COMPONENT_STATE_LOOP ||
+         (this->component_state_ & COMPONENT_STATE_MASK) == COMPONENT_STATE_LOOP_DONE ||
          (this->component_state_ & COMPONENT_STATE_MASK) == COMPONENT_STATE_SETUP;
 }
 bool Component::can_proceed() { return true; }

esphome/core/event_pool.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#if defined(USE_ESP32) || defined(USE_LIBRETINY)
+#if defined(USE_ESP32)
 
 #include <atomic>
 #include <cstddef>
@@ -78,4 +78,4 @@ template<class T, uint8_t SIZE> class EventPool {
 
 }  // namespace esphome
 
-#endif  // defined(USE_ESP32) || defined(USE_LIBRETINY)
+#endif  // defined(USE_ESP32)

esphome/core/helpers.h

@@ -67,7 +67,10 @@ To bit_cast(const From &src) {
   return dst;
 }
 #endif
-using std::lerp;
+
+// clang-format off
+inline float lerp(float completion, float start, float end) = delete;  // Please use std::lerp. Notice that it has different order on arguments!
+// clang-format on
 
 // std::byteswap from C++23
 template<typename T> constexpr T byteswap(T n) {
@@ -683,6 +686,23 @@ class InterruptLock {
 #endif
 };
 
+/** Helper class to lock the lwIP TCPIP core when making lwIP API calls from non-TCPIP threads.
+ *
+ * This is needed on multi-threaded platforms (ESP32) when CONFIG_LWIP_TCPIP_CORE_LOCKING is enabled.
+ * It ensures thread-safe access to lwIP APIs.
+ *
+ * @note This follows the same pattern as InterruptLock - platform-specific implementations in helpers.cpp
+ */
+class LwIPLock {
+ public:
+  LwIPLock();
+  ~LwIPLock();
+
+  // Delete copy constructor and copy assignment operator to prevent accidental copying
+  LwIPLock(const LwIPLock &) = delete;
+  LwIPLock &operator=(const LwIPLock &) = delete;
+};
+
 /** Helper class to request `loop()` to be called as fast as possible.
  *
  * Usually the ESPHome main loop runs at 60 Hz, sleeping in between invocations of `loop()` if necessary. When a higher

esphome/core/lock_free_queue.h

@@ -1,17 +1,12 @@
 #pragma once
 
-#if defined(USE_ESP32) || defined(USE_LIBRETINY)
+#if defined(USE_ESP32)
 
 #include <atomic>
 #include <cstddef>
 
-#if defined(USE_ESP32)
 #include <freertos/FreeRTOS.h>
 #include <freertos/task.h>
-#elif defined(USE_LIBRETINY)
-#include <FreeRTOS.h>
-#include <task.h>
-#endif
 
 /*
  * Lock-free queue for single-producer single-consumer scenarios.
@@ -148,4 +143,4 @@ template<class T, uint8_t SIZE> class NotifyingLockFreeQueue : public LockFreeQu
 
 }  // namespace esphome
 
-#endif  // defined(USE_ESP32) || defined(USE_LIBRETINY)
+#endif  // defined(USE_ESP32)

esphome/core/scheduler.cpp

@@ -446,7 +446,7 @@ bool HOT Scheduler::cancel_item_(Component *component, bool is_static_string, co
 // Helper to cancel items by name - must be called with lock held
 bool HOT Scheduler::cancel_item_locked_(Component *component, const char *name_cstr, SchedulerItem::Type type) {
   // Early return if name is invalid - no items to cancel
-  if (name_cstr == nullptr || name_cstr[0] == '\0') {
+  if (name_cstr == nullptr) {
     return false;
   }
 

esphome/core/scheduler.h

@@ -114,16 +114,17 @@ class Scheduler {
         name_is_dynamic = false;
       }
 
-      if (!name || !name[0]) {
+      if (!name) {
+        // nullptr case - no name provided
         name_.static_name = nullptr;
       } else if (make_copy) {
-        // Make a copy for dynamic strings
+        // Make a copy for dynamic strings (including empty strings)
         size_t len = strlen(name);
         name_.dynamic_name = new char[len + 1];
         memcpy(name_.dynamic_name, name, len + 1);
         name_is_dynamic = true;
       } else {
-        // Use static string directly
+        // Use static string directly (including empty strings)
         name_.static_name = name;
       }
     }

esphome/platformio_api.py

@@ -78,6 +78,8 @@ def run_platformio_cli(*args, **kwargs) -> str | int:
     os.environ.setdefault(
         "PLATFORMIO_LIBDEPS_DIR", os.path.abspath(CORE.relative_piolibdeps_path())
     )
+    # Suppress Python syntax warnings from third-party scripts during compilation
+    os.environ.setdefault("PYTHONWARNINGS", "ignore::SyntaxWarning")
     cmd = ["platformio"] + list(args)
 
     if not CORE.verbose:

esphome/util.py

@@ -147,6 +147,13 @@ class RedirectText:
                     continue
 
                 self._write_color_replace(line)
+                # Check for flash size error and provide helpful guidance
+                if (
+                    "Error: The program size" in line
+                    and "is greater than maximum allowed" in line
+                    and (help_msg := get_esp32_arduino_flash_error_help())
+                ):
+                    self._write_color_replace(help_msg)
         else:
             self._write_color_replace(s)
 
@@ -309,3 +316,34 @@ def get_serial_ports() -> list[SerialPort]:
 
     result.sort(key=lambda x: x.path)
     return result
+
+
+def get_esp32_arduino_flash_error_help() -> str | None:
+    """Returns helpful message when ESP32 with Arduino runs out of flash space."""
+    from esphome.core import CORE
+
+    if not (CORE.is_esp32 and CORE.using_arduino):
+        return None
+
+    from esphome.log import AnsiFore, color
+
+    return (
+        "\n"
+        + color(
+            AnsiFore.YELLOW,
+            "💡 TIP: Your ESP32 with Arduino framework has run out of flash space.\n",
+        )
+        + "\n"
+        + "To fix this, switch to the ESP-IDF framework which is more memory efficient:\n"
+        + "\n"
+        + "1. In your YAML configuration, modify the framework section:\n"
+        + "\n"
+        + "   esp32:\n"
+        + "     framework:\n"
+        + "       type: esp-idf\n"
+        + "\n"
+        + "2. Clean build files and compile again\n"
+        + "\n"
+        + "Note: ESP-IDF uses less flash space and provides better performance.\n"
+        + "Some Arduino-specific libraries may need alternatives.\n\n"
+    )

esphome/writer.py

@@ -162,6 +162,9 @@ def get_ini_content():
     # Sort to avoid changing build unflags order
     CORE.add_platformio_option("build_unflags", sorted(CORE.build_unflags))
 
+    # Add extra script for C++ flags
+    CORE.add_platformio_option("extra_scripts", [f"pre:{CXX_FLAGS_FILE_NAME}"])
+
     content = "[platformio]\n"
     content += f"description = ESPHome {__version__}\n"
 
@@ -222,6 +225,9 @@ def write_platformio_project():
         write_gitignore()
     write_platformio_ini(content)
 
+    # Write extra script for C++ specific flags
+    write_cxx_flags_script()
+
 
 DEFINES_H_FORMAT = ESPHOME_H_FORMAT = """\
 #pragma once
@@ -394,3 +400,20 @@ def write_gitignore():
     if not os.path.isfile(path):
         with open(file=path, mode="w", encoding="utf-8") as f:
             f.write(GITIGNORE_CONTENT)
+
+
+CXX_FLAGS_FILE_NAME = "cxx_flags.py"
+CXX_FLAGS_FILE_CONTENTS = """# Auto-generated ESPHome script for C++ specific compiler flags
+Import("env")
+
+# Add C++ specific flags
+"""
+
+
+def write_cxx_flags_script() -> None:
+    path = CORE.relative_build_path(CXX_FLAGS_FILE_NAME)
+    contents = CXX_FLAGS_FILE_CONTENTS
+    if not CORE.is_host:
+        contents += 'env.Append(CXXFLAGS=["-Wno-volatile"])'
+        contents += "\n"
+    write_file_if_changed(path, contents)

platformio.ini

@@ -35,7 +35,7 @@ build_flags =
 lib_deps =
     esphome/noise-c@0.1.10                  ; api
     improv/Improv@1.2.4                    ; improv_serial / esp32_improv
-    bblanchon/ArduinoJson@6.18.5           ; json
+    bblanchon/ArduinoJson@7.4.2            ; json
     wjtje/qr-code-generator-library@1.7.0  ; qr_code
     functionpointer/arduino-MLX90393@1.0.2 ; mlx90393
     pavlodn/HaierProtocol@0.9.31           ; haier
@@ -138,7 +138,7 @@ lib_deps =
     WiFi                                 ; wifi,web_server_base,ethernet (Arduino built-in)
     Update                               ; ota,web_server_base (Arduino built-in)
     ${common:arduino.lib_deps}
-    ESP32Async/AsyncTCP@3.4.4            ; async_tcp
+    ESP32Async/AsyncTCP@3.4.5            ; async_tcp
     NetworkClientSecure                  ; http_request,nextion (Arduino built-in)
     HTTPClient                           ; http_request,nextion (Arduino built-in)
     ESPmDNS                              ; mdns (Arduino built-in)
@@ -235,7 +235,7 @@ build_flags =
     -DUSE_ZEPHYR
     -DUSE_NRF52
 lib_deps =
-    bblanchon/ArduinoJson@7.0.0           ; json
+    bblanchon/ArduinoJson@7.4.2           ; json
     wjtje/qr-code-generator-library@1.7.0  ; qr_code
     pavlodn/HaierProtocol@0.9.31           ; haier
     functionpointer/arduino-MLX90393@1.0.2 ; mlx90393

script/setup

@@ -6,7 +6,7 @@ set -e
 cd "$(dirname "$0")/.."
 if [ ! -n "$VIRTUAL_ENV" ]; then
   if [ -x "$(command -v uv)" ]; then
-    uv venv venv
+    uv venv --seed venv
   else
     python3 -m venv venv
   fi

tests/component_tests/text/test_text.yaml

@@ -4,6 +4,8 @@ esphome:
 esp32:
   board: esp32dev
 
+logger:
+
 text:
   - platform: template
     name: "test 1 text"

tests/component_tests/web_server/test_ota_migration.py

@@ -8,31 +8,31 @@ from esphome.types import ConfigType
 
 def test_web_server_ota_true_fails_validation() -> None:
     """Test that web_server with ota: true fails validation with helpful message."""
-    from esphome.components.web_server import validate_ota_removed
+    from esphome.components.web_server import validate_ota
 
     # Config with ota: true should fail
     config: ConfigType = {"ota": True}
 
     with pytest.raises(cv.Invalid) as exc_info:
-        validate_ota_removed(config)
+        validate_ota(config)
 
     # Check error message contains migration instructions
     error_msg = str(exc_info.value)
-    assert "has been removed from 'web_server'" in error_msg
+    assert "only accepts 'false' to disable OTA" in error_msg
     assert "platform: web_server" in error_msg
     assert "ota:" in error_msg
 
 
 def test_web_server_ota_false_passes_validation() -> None:
     """Test that web_server with ota: false passes validation."""
-    from esphome.components.web_server import validate_ota_removed
+    from esphome.components.web_server import validate_ota
 
     # Config with ota: false should pass
     config: ConfigType = {"ota": False}
-    result = validate_ota_removed(config)
+    result = validate_ota(config)
     assert result == config
 
     # Config without ota should also pass
     config: ConfigType = {}
-    result = validate_ota_removed(config)
+    result = validate_ota(config)
     assert result == config

tests/components/captive_portal/test.bk72xx-ard.yaml

@@ -0,0 +1 @@
+<<: !include common.yaml

tests/components/logger/test-on_message.host.yaml

@@ -0,0 +1,18 @@
+logger:
+  id: logger_id
+  level: DEBUG
+  on_message:
+    - level: DEBUG
+      then:
+        - lambda: |-
+            ESP_LOGD("test", "Got message level %d: %s - %s", level, tag, message);
+    - level: WARN
+      then:
+        - lambda: |-
+            ESP_LOGW("test", "Warning level %d from %s", level, tag);
+    - level: ERROR
+      then:
+        - lambda: |-
+            // Test that level is uint8_t by using it in calculations
+            uint8_t adjusted_level = level + 1;
+            ESP_LOGE("test", "Error with adjusted level %d", adjusted_level);

tests/components/lvgl/lvgl-package.yaml

@@ -928,6 +928,12 @@ lvgl:
                           angle_range: 360
                           rotation: !lambda return 2700;
                           indicators:
+                            - tick_style:
+                                start_value: 0
+                                end_value: 60
+                                color_start: 0x0000bd
+                                color_end: 0xbd0000
+                                width: !lambda return 1;
                             - line:
                                 opa: 50%
                                 id: minute_hand

tests/integration/fixtures/api_string_lambda.yaml

@@ -0,0 +1,87 @@
+esphome:
+  name: api-string-lambda-test
+host:
+
+api:
+  actions:
+    # Service that tests string lambda functionality
+    - action: test_string_lambda
+      variables:
+        input_string: string
+      then:
+        # Log the input to verify service was called
+        - logger.log:
+            format: "Service called with string: %s"
+            args: [input_string.c_str()]
+
+        # This is the key test - using a lambda that returns x.c_str()
+        # where x is already a string. This would fail to compile in 2025.7.0b5
+        # with "no matching function for call to 'to_string(std::string)'"
+        # This is the exact case from issue #9539
+        - homeassistant.tag_scanned: !lambda 'return input_string.c_str();'
+
+        # Also test with homeassistant.event to verify our fix works with data fields
+        - homeassistant.event:
+            event: esphome.test_string_lambda
+            data:
+              value: !lambda 'return input_string.c_str();'
+
+    # Service that tests int lambda functionality
+    - action: test_int_lambda
+      variables:
+        input_number: int
+      then:
+        # Log the input to verify service was called
+        - logger.log:
+            format: "Service called with int: %d"
+            args: [input_number]
+
+        # Test that int lambdas still work correctly with to_string
+        # The TemplatableStringValue should automatically convert int to string
+        - homeassistant.event:
+            event: esphome.test_int_lambda
+            data:
+              value: !lambda 'return input_number;'
+
+    # Service that tests float lambda functionality
+    - action: test_float_lambda
+      variables:
+        input_float: float
+      then:
+        # Log the input to verify service was called
+        - logger.log:
+            format: "Service called with float: %.2f"
+            args: [input_float]
+
+        # Test that float lambdas still work correctly with to_string
+        # The TemplatableStringValue should automatically convert float to string
+        - homeassistant.event:
+            event: esphome.test_float_lambda
+            data:
+              value: !lambda 'return input_float;'
+
+    # Service that tests char* lambda functionality (e.g., from itoa or sprintf)
+    - action: test_char_ptr_lambda
+      variables:
+        input_number: int
+        input_string: string
+      then:
+        # Log the input to verify service was called
+        - logger.log:
+            format: "Service called with number for char* test: %d"
+            args: [input_number]
+
+        # Test that char* lambdas work correctly
+        # This would fail in issue #9628 with "invalid conversion from 'char*' to 'long long unsigned int'"
+        - homeassistant.event:
+            event: esphome.test_char_ptr_lambda
+            data:
+              # Test snprintf returning char*
+              decimal_value: !lambda 'static char buffer[20]; snprintf(buffer, sizeof(buffer), "%d", input_number); return buffer;'
+              # Test strdup returning char* (dynamically allocated)
+              string_copy: !lambda 'return strdup(input_string.c_str());'
+              # Test string literal (const char*)
+              literal: !lambda 'return "test literal";'
+
+logger:
+  level: DEBUG

tests/integration/fixtures/delay_action_cancellation.yaml

@@ -0,0 +1,24 @@
+esphome:
+  name: test-delay-action
+
+host:
+api:
+  actions:
+    - action: start_delay_then_restart
+      then:
+        - logger.log: "Starting first script execution"
+        - script.execute: test_delay_script
+        - delay: 250ms  # Give first script time to start delay
+        - logger.log: "Restarting script (should cancel first delay)"
+        - script.execute: test_delay_script
+
+logger:
+  level: DEBUG
+
+script:
+  - id: test_delay_script
+    mode: restart
+    then:
+      - logger.log: "Script started, beginning delay"
+      - delay: 500ms  # Long enough that it won't complete before restart
+      - logger.log: "Delay completed successfully"

tests/integration/fixtures/external_components/loop_test_component/__init__.py

@@ -1,7 +1,7 @@
 from esphome import automation
 import esphome.codegen as cg
 import esphome.config_validation as cv
-from esphome.const import CONF_COMPONENTS, CONF_ID, CONF_NAME
+from esphome.const import CONF_COMPONENTS, CONF_ID, CONF_NAME, CONF_UPDATE_INTERVAL
 
 CODEOWNERS = ["@esphome/tests"]
 
@@ -10,10 +10,15 @@ LoopTestComponent = loop_test_component_ns.class_("LoopTestComponent", cg.Compon
 LoopTestISRComponent = loop_test_component_ns.class_(
     "LoopTestISRComponent", cg.Component
 )
+LoopTestUpdateComponent = loop_test_component_ns.class_(
+    "LoopTestUpdateComponent", cg.PollingComponent
+)
 
 CONF_DISABLE_AFTER = "disable_after"
 CONF_TEST_REDUNDANT_OPERATIONS = "test_redundant_operations"
 CONF_ISR_COMPONENTS = "isr_components"
+CONF_UPDATE_COMPONENTS = "update_components"
+CONF_DISABLE_LOOP_AFTER = "disable_loop_after"
 
 COMPONENT_CONFIG_SCHEMA = cv.Schema(
     {
@@ -31,11 +36,23 @@ ISR_COMPONENT_CONFIG_SCHEMA = cv.Schema(
     }
 )
 
+UPDATE_COMPONENT_CONFIG_SCHEMA = cv.Schema(
+    {
+        cv.GenerateID(): cv.declare_id(LoopTestUpdateComponent),
+        cv.Required(CONF_NAME): cv.string,
+        cv.Optional(CONF_DISABLE_LOOP_AFTER, default=0): cv.int_,
+        cv.Optional(CONF_UPDATE_INTERVAL, default="1s"): cv.update_interval,
+    }
+)
+
 CONFIG_SCHEMA = cv.Schema(
     {
         cv.GenerateID(): cv.declare_id(LoopTestComponent),
         cv.Required(CONF_COMPONENTS): cv.ensure_list(COMPONENT_CONFIG_SCHEMA),
         cv.Optional(CONF_ISR_COMPONENTS): cv.ensure_list(ISR_COMPONENT_CONFIG_SCHEMA),
+        cv.Optional(CONF_UPDATE_COMPONENTS): cv.ensure_list(
+            UPDATE_COMPONENT_CONFIG_SCHEMA
+        ),
     }
 ).extend(cv.COMPONENT_SCHEMA)
 
@@ -94,3 +111,12 @@ async def to_code(config):
         var = cg.new_Pvariable(isr_config[CONF_ID])
         await cg.register_component(var, isr_config)
         cg.add(var.set_name(isr_config[CONF_NAME]))
+
+    # Create update test components
+    for update_config in config.get(CONF_UPDATE_COMPONENTS, []):
+        var = cg.new_Pvariable(update_config[CONF_ID])
+        await cg.register_component(var, update_config)
+
+        cg.add(var.set_name(update_config[CONF_NAME]))
+        cg.add(var.set_disable_loop_after(update_config[CONF_DISABLE_LOOP_AFTER]))
+        cg.add(var.set_update_interval(update_config[CONF_UPDATE_INTERVAL]))

tests/integration/fixtures/external_components/loop_test_component/loop_test_component.cpp

@@ -39,5 +39,29 @@ void LoopTestComponent::service_disable() {
   this->disable_loop();
 }
 
+// LoopTestUpdateComponent implementation
+void LoopTestUpdateComponent::setup() {
+  ESP_LOGI(TAG, "[%s] LoopTestUpdateComponent setup called", this->name_.c_str());
+}
+
+void LoopTestUpdateComponent::loop() {
+  this->loop_count_++;
+  ESP_LOGI(TAG, "[%s] LoopTestUpdateComponent loop count: %d", this->name_.c_str(), this->loop_count_);
+
+  // Disable loop after specified count to test component.update when loop is disabled
+  if (this->disable_loop_after_ > 0 && this->loop_count_ == this->disable_loop_after_) {
+    ESP_LOGI(TAG, "[%s] Disabling loop after %d iterations", this->name_.c_str(), this->disable_loop_after_);
+    this->disable_loop();
+  }
+}
+
+void LoopTestUpdateComponent::update() {
+  this->update_count_++;
+  // Check if loop is disabled by testing component state
+  bool loop_disabled = this->component_state_ == COMPONENT_STATE_LOOP_DONE;
+  ESP_LOGI(TAG, "[%s] LoopTestUpdateComponent update() called, count: %d, loop_disabled: %s", this->name_.c_str(),
+           this->update_count_, loop_disabled ? "YES" : "NO");
+}
+
 }  // namespace loop_test_component
 }  // namespace esphome

tests/integration/fixtures/external_components/loop_test_component/loop_test_component.h

@@ -4,6 +4,7 @@
 #include "esphome/core/log.h"
 #include "esphome/core/application.h"
 #include "esphome/core/automation.h"
+#include "esphome/core/helpers.h"
 
 namespace esphome {
 namespace loop_test_component {
@@ -54,5 +55,29 @@ template<typename... Ts> class DisableAction : public Action<Ts...> {
   LoopTestComponent *parent_;
 };
 
+// Component with update() method to test component.update action
+class LoopTestUpdateComponent : public PollingComponent {
+ public:
+  LoopTestUpdateComponent() : PollingComponent(1000) {}  // Default 1s update interval
+
+  void set_name(const std::string &name) { this->name_ = name; }
+  void set_disable_loop_after(int count) { this->disable_loop_after_ = count; }
+
+  void setup() override;
+  void loop() override;
+  void update() override;
+
+  int get_update_count() const { return this->update_count_; }
+  int get_loop_count() const { return this->loop_count_; }
+
+  float get_setup_priority() const override { return setup_priority::DATA; }
+
+ protected:
+  std::string name_;
+  int loop_count_{0};
+  int update_count_{0};
+  int disable_loop_after_{0};
+};
+
 }  // namespace loop_test_component
 }  // namespace esphome

tests/integration/fixtures/loop_disable_enable.yaml

@@ -40,6 +40,13 @@ loop_test_component:
     - id: isr_test
       name: "isr_test"
 
+  # Update test component to test component.update when loop is disabled
+  update_components:
+    - id: update_test_component
+      name: "update_test"
+      disable_loop_after: 3  # Disable loop after 3 iterations
+      update_interval: 0.1s  # Fast update interval for testing
+
 # Interval to re-enable the self_disable_10 component after some time
 interval:
   - interval: 0.5s
@@ -51,3 +58,28 @@ interval:
             - logger.log: "Re-enabling self_disable_10 via service"
             - loop_test_component.enable:
                 id: self_disable_10
+
+  # Test component.update on a component with disabled loop
+  - interval: 0.1s
+    then:
+      - lambda: |-
+          static bool manual_update_done = false;
+          if (!manual_update_done &&
+              id(update_test_component).get_loop_count() == 3 &&
+              id(update_test_component).get_update_count() >= 3) {
+            ESP_LOGI("main", "Manually calling component.update on update_test_component with disabled loop");
+            manual_update_done = true;
+          }
+      - if:
+          condition:
+            lambda: |-
+              static bool manual_update_triggered = false;
+              if (!manual_update_triggered &&
+                  id(update_test_component).get_loop_count() == 3 &&
+                  id(update_test_component).get_update_count() >= 3) {
+                manual_update_triggered = true;
+                return true;
+              }
+              return false;
+          then:
+            - component.update: update_test_component

tests/integration/fixtures/scheduler_string_test.yaml

@@ -4,9 +4,7 @@ esphome:
     priority: -100
     then:
       - logger.log: "Starting scheduler string tests"
-  platformio_options:
-    build_flags:
-      - "-DESPHOME_DEBUG_SCHEDULER"  # Enable scheduler debug logging
+  debug_scheduler: true  # Enable scheduler debug logging
 
 host:
 api:
@@ -32,6 +30,12 @@ globals:
   - id: results_reported
     type: bool
     initial_value: 'false'
+  - id: edge_tests_done
+    type: bool
+    initial_value: 'false'
+  - id: empty_cancel_failed
+    type: bool
+    initial_value: 'false'
 
 script:
   - id: test_static_strings
@@ -147,12 +151,106 @@ script:
           static TestDynamicDeferComponent test_dynamic_defer_component;
           test_dynamic_defer_component.test_dynamic_defer();
 
+  - id: test_cancellation_edge_cases
+    then:
+      - logger.log: "Testing cancellation edge cases"
+      - lambda: |-
+          auto *component1 = id(test_sensor1);
+          // Use a different component for empty string tests to avoid interference
+          auto *component2 = id(test_sensor2);
+
+          // Test 12: Cancel with empty string - regression test for issue #9599
+          // First create a timeout with empty name on component2 to avoid interference
+          App.scheduler.set_timeout(component2, "", 500, []() {
+            ESP_LOGE("test", "ERROR: Empty name timeout fired - it should have been cancelled!");
+            id(empty_cancel_failed) = true;
+          });
+
+          // Now cancel it - this should work after our fix
+          bool cancelled_empty = App.scheduler.cancel_timeout(component2, "");
+          ESP_LOGI("test", "Cancel empty string result: %s (should be true)", cancelled_empty ? "true" : "false");
+          if (!cancelled_empty) {
+            ESP_LOGE("test", "ERROR: Failed to cancel empty string timeout!");
+            id(empty_cancel_failed) = true;
+          }
+
+          // Test 13: Cancel non-existent timeout
+          bool cancelled_nonexistent = App.scheduler.cancel_timeout(component1, "does_not_exist");
+          ESP_LOGI("test", "Cancel non-existent timeout result: %s",
+                   cancelled_nonexistent ? "true (unexpected!)" : "false (expected)");
+
+          // Test 14: Multiple timeouts with same name - only last should execute
+          for (int i = 0; i < 5; i++) {
+            App.scheduler.set_timeout(component1, "duplicate_timeout", 200 + i*10, [i]() {
+              ESP_LOGI("test", "Duplicate timeout %d fired", i);
+              id(timeout_counter) += 1;
+            });
+          }
+          ESP_LOGI("test", "Created 5 timeouts with same name 'duplicate_timeout'");
+
+          // Test 15: Multiple intervals with same name - only last should run
+          for (int i = 0; i < 3; i++) {
+            App.scheduler.set_interval(component1, "duplicate_interval", 300, [i]() {
+              ESP_LOGI("test", "Duplicate interval %d fired", i);
+              id(interval_counter) += 10; // Large increment to detect multiple
+              // Cancel after first execution
+              App.scheduler.cancel_interval(id(test_sensor1), "duplicate_interval");
+            });
+          }
+          ESP_LOGI("test", "Created 3 intervals with same name 'duplicate_interval'");
+
+          // Test 16: Cancel with nullptr protection (via empty const char*)
+          const char* null_name = "";
+          App.scheduler.set_timeout(component2, null_name, 600, []() {
+            ESP_LOGE("test", "ERROR: Const char* empty timeout fired - should have been cancelled!");
+            id(empty_cancel_failed) = true;
+          });
+          bool cancelled_const_empty = App.scheduler.cancel_timeout(component2, null_name);
+          ESP_LOGI("test", "Cancel const char* empty result: %s (should be true)",
+                   cancelled_const_empty ? "true" : "false");
+          if (!cancelled_const_empty) {
+            ESP_LOGE("test", "ERROR: Failed to cancel const char* empty timeout!");
+            id(empty_cancel_failed) = true;
+          }
+
+          // Test 17: Rapid create/cancel/create with same name
+          App.scheduler.set_timeout(component1, "rapid_test", 5000, []() {
+            ESP_LOGI("test", "First rapid timeout - should not fire");
+            id(timeout_counter) += 100;
+          });
+          App.scheduler.cancel_timeout(component1, "rapid_test");
+          App.scheduler.set_timeout(component1, "rapid_test", 250, []() {
+            ESP_LOGI("test", "Second rapid timeout - should fire");
+            id(timeout_counter) += 1;
+          });
+
+          // Test 18: Cancel all with a specific name (multiple instances)
+          // Create multiple with same name
+          App.scheduler.set_timeout(component1, "multi_cancel", 300, []() {
+            ESP_LOGI("test", "Multi-cancel timeout 1");
+          });
+          App.scheduler.set_timeout(component1, "multi_cancel", 350, []() {
+            ESP_LOGI("test", "Multi-cancel timeout 2");
+          });
+          App.scheduler.set_timeout(component1, "multi_cancel", 400, []() {
+            ESP_LOGI("test", "Multi-cancel timeout 3 - only this should fire");
+            id(timeout_counter) += 1;
+          });
+          // Note: Each set_timeout with same name cancels the previous one automatically
+
   - id: report_results
     then:
       - lambda: |-
           ESP_LOGI("test", "Final results - Timeouts: %d, Intervals: %d",
                    id(timeout_counter), id(interval_counter));
 
+          // Check if empty string cancellation test passed
+          if (id(empty_cancel_failed)) {
+            ESP_LOGE("test", "ERROR: Empty string cancellation test FAILED!");
+          } else {
+            ESP_LOGI("test", "Empty string cancellation test PASSED");
+          }
+
 sensor:
   - platform: template
     name: Test Sensor 1
@@ -189,12 +287,23 @@ interval:
             - delay: 0.2s
             - script.execute: test_dynamic_strings
 
+  # Run cancellation edge case tests after dynamic tests
+  - interval: 0.2s
+    then:
+      - if:
+          condition:
+            lambda: 'return id(dynamic_tests_done) && !id(edge_tests_done);'
+          then:
+            - lambda: 'id(edge_tests_done) = true;'
+            - delay: 0.5s
+            - script.execute: test_cancellation_edge_cases
+
   # Report results after all tests
   - interval: 0.2s
     then:
       - if:
           condition:
-            lambda: 'return id(dynamic_tests_done) && !id(results_reported);'
+            lambda: 'return id(edge_tests_done) && !id(results_reported);'
           then:
             - lambda: 'id(results_reported) = true;'
             - delay: 1s

tests/integration/test_api_string_lambda.py

@@ -0,0 +1,100 @@
+"""Integration test for TemplatableStringValue with string lambdas."""
+
+from __future__ import annotations
+
+import asyncio
+import re
+
+import pytest
+
+from .types import APIClientConnectedFactory, RunCompiledFunction
+
+
+@pytest.mark.asyncio
+async def test_api_string_lambda(
+    yaml_config: str,
+    run_compiled: RunCompiledFunction,
+    api_client_connected: APIClientConnectedFactory,
+) -> None:
+    """Test TemplatableStringValue works with lambdas that return different types."""
+    loop = asyncio.get_running_loop()
+
+    # Track log messages for all four service calls
+    string_called_future = loop.create_future()
+    int_called_future = loop.create_future()
+    float_called_future = loop.create_future()
+    char_ptr_called_future = loop.create_future()
+
+    # Patterns to match in logs - confirms the lambdas compiled and executed
+    string_pattern = re.compile(r"Service called with string: STRING_FROM_LAMBDA")
+    int_pattern = re.compile(r"Service called with int: 42")
+    float_pattern = re.compile(r"Service called with float: 3\.14")
+    char_ptr_pattern = re.compile(r"Service called with number for char\* test: 123")
+
+    def check_output(line: str) -> None:
+        """Check log output for expected messages."""
+        if not string_called_future.done() and string_pattern.search(line):
+            string_called_future.set_result(True)
+        if not int_called_future.done() and int_pattern.search(line):
+            int_called_future.set_result(True)
+        if not float_called_future.done() and float_pattern.search(line):
+            float_called_future.set_result(True)
+        if not char_ptr_called_future.done() and char_ptr_pattern.search(line):
+            char_ptr_called_future.set_result(True)
+
+    # Run with log monitoring
+    async with (
+        run_compiled(yaml_config, line_callback=check_output),
+        api_client_connected() as client,
+    ):
+        # Verify device info
+        device_info = await client.device_info()
+        assert device_info is not None
+        assert device_info.name == "api-string-lambda-test"
+
+        # List services to find our test services
+        _, services = await client.list_entities_services()
+
+        # Find all test services
+        string_service = next(
+            (s for s in services if s.name == "test_string_lambda"), None
+        )
+        assert string_service is not None, "test_string_lambda service not found"
+
+        int_service = next((s for s in services if s.name == "test_int_lambda"), None)
+        assert int_service is not None, "test_int_lambda service not found"
+
+        float_service = next(
+            (s for s in services if s.name == "test_float_lambda"), None
+        )
+        assert float_service is not None, "test_float_lambda service not found"
+
+        char_ptr_service = next(
+            (s for s in services if s.name == "test_char_ptr_lambda"), None
+        )
+        assert char_ptr_service is not None, "test_char_ptr_lambda service not found"
+
+        # Execute all four services to test different lambda return types
+        client.execute_service(string_service, {"input_string": "STRING_FROM_LAMBDA"})
+        client.execute_service(int_service, {"input_number": 42})
+        client.execute_service(float_service, {"input_float": 3.14})
+        client.execute_service(
+            char_ptr_service, {"input_number": 123, "input_string": "test_string"}
+        )
+
+        # Wait for all service log messages
+        # This confirms the lambdas compiled successfully and executed
+        try:
+            await asyncio.wait_for(
+                asyncio.gather(
+                    string_called_future,
+                    int_called_future,
+                    float_called_future,
+                    char_ptr_called_future,
+                ),
+                timeout=5.0,
+            )
+        except TimeoutError:
+            pytest.fail(
+                "One or more service log messages not received - lambda may have failed to compile or execute"
+            )