Merge pull request #9518 from esphome/bump-2025.7.0b4

2025.7.0b4

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         = 2025.7.0b4
 
 # 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/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/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/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"];
+          JsonObject ota = build["ota"].as<JsonObject>();
-          if (!ota.containsKey("path") || !ota.containsKey("md5")) {
+          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
+// Build an allocator for the JSON Library using the RAMAllocator class
-static const auto ALLOCATOR = RAMAllocator<uint8_t>(RAMAllocator<uint8_t>::ALLOC_INTERNAL);
+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,
+  // NOLINTBEGIN(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
-  // with the heap size minus 2kb to be safe if less than 5kb
+  auto doc_allocator = SpiRamAllocator();
-  // as we can not have a true dynamic sized document.
+  JsonDocument json_document(&doc_allocator);
-  // The excess memory is freed below with `shrinkToFit()`
+  if (json_document.overflowed()) {
-  auto free_heap = ALLOCATOR.get_max_free_block_size();
+    ESP_LOGE(TAG, "Could not allocate memory for JSON document!");
-  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 JSON document!");
-        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;
-  }
+  // 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,
+  // NOLINTBEGIN(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
-  // with the heap size minus 2kb to be safe if less than that
+  auto doc_allocator = SpiRamAllocator();
-  // as we can not have a true dynamic sized document.
+  JsonDocument json_document(&doc_allocator);
-  // The excess memory is freed below with `shrinkToFit()`
+  if (json_document.overflowed()) {
-  auto free_heap = ALLOCATOR.get_max_free_block_size();
+    ESP_LOGE(TAG, "Could not allocate memory for JSON document!");
-  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();
 
   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;
-    }
+  // NOLINTEND(clang-analyzer-cplusplus.NewDeleteLeaks)
-  };
-  return false;
 }
 
 }  // namespace json

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/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

@@ -31,10 +31,13 @@ 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"; }
 const EntityBase *MQTTButtonComponent::get_entity() const { return this->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() {

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_(),
+  return this->publish_json(this->get_state_topic_(), [event_type](JsonObject root) {
-                            [event_type](JsonObject root) { root[MQTT_EVENT_TYPE] = event_type; });
+    // 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_(),
+  return this->publish_json(this->get_state_topic_(), [this](JsonObject root) {
-                            [this](JsonObject root) { LightJSONSchema::dump_json(*this->state_, 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

@@ -45,9 +45,11 @@ 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); }
 
 bool MQTTSwitchComponent::publish_state(bool 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/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);
+      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/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/web_server/web_server.cpp

@@ -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
 
@@ -1635,7 +1637,7 @@ 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 +1684,7 @@ 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 +1710,7 @@ 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_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/const.py

@@ -4,7 +4,7 @@ from enum import Enum
 
 from esphome.enum import StrEnum
 
-__version__ = "2025.7.0b3"
+__version__ = "2025.7.0b4"
 
 ALLOWED_NAME_CHARS = "abcdefghijklmnopqrstuvwxyz0123456789-_"
 VALID_SUBSTITUTIONS_CHARACTERS = (

esphome/core/component.cpp

@@ -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/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/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
@@ -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

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

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

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/test_loop_disable_enable.py

@@ -45,11 +45,18 @@ async def test_loop_disable_enable(
     isr_component_disabled = asyncio.Event()
     isr_component_re_enabled = asyncio.Event()
     isr_component_pure_re_enabled = asyncio.Event()
+    # Events for update component testing
+    update_component_loop_disabled = asyncio.Event()
+    update_component_manual_update_called = asyncio.Event()
 
     # Track loop counts for components
     self_disable_10_counts: list[int] = []
     normal_component_counts: list[int] = []
     isr_component_counts: list[int] = []
+    # Track update component behavior
+    update_component_loop_count = 0
+    update_component_update_count = 0
+    update_component_manual_update_count = 0
 
     def on_log_line(line: str) -> None:
         """Process each log line from the process output."""
@@ -59,6 +66,7 @@ async def test_loop_disable_enable(
         if (
             "loop_test_component" not in clean_line
             and "loop_test_isr_component" not in clean_line
+            and "Manually calling component.update" not in clean_line
         ):
             return
 
@@ -112,6 +120,23 @@ async def test_loop_disable_enable(
             elif "Running after pure ISR re-enable!" in clean_line:
                 isr_component_pure_re_enabled.set()
 
+        # Update component events
+        elif "[update_test]" in clean_line:
+            if "LoopTestUpdateComponent loop count:" in clean_line:
+                nonlocal update_component_loop_count
+                update_component_loop_count = int(
+                    clean_line.split("LoopTestUpdateComponent loop count: ")[1]
+                )
+            elif "LoopTestUpdateComponent update() called" in clean_line:
+                nonlocal update_component_update_count
+                update_component_update_count += 1
+                if "Manually calling component.update" in " ".join(log_messages[-5:]):
+                    nonlocal update_component_manual_update_count
+                    update_component_manual_update_count += 1
+                    update_component_manual_update_called.set()
+            elif "Disabling loop after" in clean_line:
+                update_component_loop_disabled.set()
+
     # Write, compile and run the ESPHome device with log callback
     async with (
         run_compiled(yaml_config, line_callback=on_log_line),
@@ -205,3 +230,28 @@ async def test_loop_disable_enable(
         assert final_count > 10, (
             f"Component didn't run after pure ISR enable: got {final_count} counts total"
         )
+
+        # Test component.update functionality when loop is disabled
+        # Wait for update component to disable its loop
+        try:
+            await asyncio.wait_for(update_component_loop_disabled.wait(), timeout=3.0)
+        except asyncio.TimeoutError:
+            pytest.fail("Update component did not disable its loop within 3 seconds")
+
+        # Verify it ran exactly 3 loops before disabling
+        assert update_component_loop_count == 3, (
+            f"Expected 3 loop iterations before disable, got {update_component_loop_count}"
+        )
+
+        # Wait for manual component.update to be called
+        try:
+            await asyncio.wait_for(
+                update_component_manual_update_called.wait(), timeout=5.0
+            )
+        except asyncio.TimeoutError:
+            pytest.fail("Manual component.update was not called within 5 seconds")
+
+        # The key test: verify that manual component.update worked after loop was disabled
+        assert update_component_manual_update_count >= 1, (
+            "component.update did not fire after loop was disabled"
+        )