Merge pull request #13915 from esphome/bump-2026.1.5

2026.1.5

CODEOWNERS

@@ -528,7 +528,7 @@ esphome/components/uart/packet_transport/* @clydebarrow
 esphome/components/udp/* @clydebarrow
 esphome/components/ufire_ec/* @pvizeli
 esphome/components/ufire_ise/* @pvizeli
-esphome/components/ultrasonic/* @OttoWinter
+esphome/components/ultrasonic/* @ssieb @swoboda1337
 esphome/components/update/* @jesserockz
 esphome/components/uponor_smatrix/* @kroimon
 esphome/components/usb_cdc_acm/* @kbx81

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         = 2026.1.3
+PROJECT_NUMBER         = 2026.1.5
 
 # 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/__main__.py

@@ -287,8 +287,13 @@ def has_api() -> bool:
 
 
 def has_ota() -> bool:
-    """Check if OTA is available."""
-    return CONF_OTA in CORE.config
+    """Check if OTA upload is available (requires platform: esphome)."""
+    if CONF_OTA not in CORE.config:
+        return False
+    return any(
+        ota_item.get(CONF_PLATFORM) == CONF_ESPHOME
+        for ota_item in CORE.config[CONF_OTA]
+    )
 
 
 def has_mqtt_ip_lookup() -> bool:

esphome/components/aqi/aqi_calculator.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include <algorithm>
 #include <cmath>
 #include <limits>
 #include "abstract_aqi_calculator.h"
@@ -14,7 +15,11 @@ class AQICalculator : public AbstractAQICalculator {
     float pm2_5_index = calculate_index(pm2_5_value, PM2_5_GRID);
     float pm10_0_index = calculate_index(pm10_0_value, PM10_0_GRID);
 
-    return static_cast<uint16_t>(std::round((pm2_5_index < pm10_0_index) ? pm10_0_index : pm2_5_index));
+    float aqi = std::max(pm2_5_index, pm10_0_index);
+    if (aqi < 0.0f) {
+      aqi = 0.0f;
+    }
+    return static_cast<uint16_t>(std::lround(aqi));
   }
 
  protected:
@@ -22,13 +27,27 @@ class AQICalculator : public AbstractAQICalculator {
 
   static constexpr int INDEX_GRID[NUM_LEVELS][2] = {{0, 50}, {51, 100}, {101, 150}, {151, 200}, {201, 300}, {301, 500}};
 
-  static constexpr float PM2_5_GRID[NUM_LEVELS][2] = {{0.0f, 9.0f},     {9.1f, 35.4f},
-                                                      {35.5f, 55.4f},   {55.5f, 125.4f},
-                                                      {125.5f, 225.4f}, {225.5f, std::numeric_limits<float>::max()}};
+  static constexpr float PM2_5_GRID[NUM_LEVELS][2] = {
+      // clang-format off
+      {0.0f, 9.1f},
+      {9.1f, 35.5f},
+      {35.5f, 55.5f},
+      {55.5f, 125.5f},
+      {125.5f, 225.5f},
+      {225.5f, std::numeric_limits<float>::max()}
+      // clang-format on
+  };
 
-  static constexpr float PM10_0_GRID[NUM_LEVELS][2] = {{0.0f, 54.0f},    {55.0f, 154.0f},
-                                                       {155.0f, 254.0f}, {255.0f, 354.0f},
-                                                       {355.0f, 424.0f}, {425.0f, std::numeric_limits<float>::max()}};
+  static constexpr float PM10_0_GRID[NUM_LEVELS][2] = {
+      // clang-format off
+      {0.0f, 55.0f},
+      {55.0f, 155.0f},
+      {155.0f, 255.0f},
+      {255.0f, 355.0f},
+      {355.0f, 425.0f},
+      {425.0f, std::numeric_limits<float>::max()}
+      // clang-format on
+  };
 
   static float calculate_index(float value, const float array[NUM_LEVELS][2]) {
     int grid_index = get_grid_index(value, array);
@@ -45,7 +64,10 @@ class AQICalculator : public AbstractAQICalculator {
 
   static int get_grid_index(float value, const float array[NUM_LEVELS][2]) {
     for (int i = 0; i < NUM_LEVELS; i++) {
-      if (value >= array[i][0] && value <= array[i][1]) {
+      const bool in_range =
+          (value >= array[i][0]) && ((i == NUM_LEVELS - 1) ? (value <= array[i][1])   // last bucket inclusive
+                                                           : (value < array[i][1]));  // others exclusive on hi
+      if (in_range) {
         return i;
       }
     }

esphome/components/aqi/caqi_calculator.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include <algorithm>
 #include <cmath>
 #include <limits>
 #include "abstract_aqi_calculator.h"
@@ -12,7 +13,11 @@ class CAQICalculator : public AbstractAQICalculator {
     float pm2_5_index = calculate_index(pm2_5_value, PM2_5_GRID);
     float pm10_0_index = calculate_index(pm10_0_value, PM10_0_GRID);
 
-    return static_cast<uint16_t>(std::round((pm2_5_index < pm10_0_index) ? pm10_0_index : pm2_5_index));
+    float aqi = std::max(pm2_5_index, pm10_0_index);
+    if (aqi < 0.0f) {
+      aqi = 0.0f;
+    }
+    return static_cast<uint16_t>(std::lround(aqi));
   }
 
  protected:
@@ -21,10 +26,24 @@ class CAQICalculator : public AbstractAQICalculator {
   static constexpr int INDEX_GRID[NUM_LEVELS][2] = {{0, 25}, {26, 50}, {51, 75}, {76, 100}, {101, 400}};
 
   static constexpr float PM2_5_GRID[NUM_LEVELS][2] = {
-      {0.0f, 15.0f}, {15.1f, 30.0f}, {30.1f, 55.0f}, {55.1f, 110.0f}, {110.1f, std::numeric_limits<float>::max()}};
+      // clang-format off
+      {0.0f, 15.1f},
+      {15.1f, 30.1f},
+      {30.1f, 55.1f},
+      {55.1f, 110.1f},
+      {110.1f, std::numeric_limits<float>::max()}
+      // clang-format on
+  };
 
   static constexpr float PM10_0_GRID[NUM_LEVELS][2] = {
-      {0.0f, 25.0f}, {25.1f, 50.0f}, {50.1f, 90.0f}, {90.1f, 180.0f}, {180.1f, std::numeric_limits<float>::max()}};
+      // clang-format off
+      {0.0f, 25.1f},
+      {25.1f, 50.1f},
+      {50.1f, 90.1f},
+      {90.1f, 180.1f},
+      {180.1f, std::numeric_limits<float>::max()}
+      // clang-format on
+  };
 
   static float calculate_index(float value, const float array[NUM_LEVELS][2]) {
     int grid_index = get_grid_index(value, array);
@@ -42,7 +61,10 @@ class CAQICalculator : public AbstractAQICalculator {
 
   static int get_grid_index(float value, const float array[NUM_LEVELS][2]) {
     for (int i = 0; i < NUM_LEVELS; i++) {
-      if (value >= array[i][0] && value <= array[i][1]) {
+      const bool in_range =
+          (value >= array[i][0]) && ((i == NUM_LEVELS - 1) ? (value <= array[i][1])   // last bucket inclusive
+                                                           : (value < array[i][1]));  // others exclusive on hi
+      if (in_range) {
         return i;
       }
     }

esphome/components/cse7766/cse7766.cpp

@@ -152,6 +152,10 @@ void CSE7766Component::parse_data_() {
     if (this->power_sensor_ != nullptr) {
       this->power_sensor_->publish_state(power);
     }
+  } else if (this->power_sensor_ != nullptr) {
+    // No valid power measurement from chip - publish 0W to avoid stale readings
+    // This typically happens when current is below the measurable threshold (~50mA)
+    this->power_sensor_->publish_state(0.0f);
   }
 
   float current = 0.0f;

esphome/components/esp32/__init__.py

@@ -1026,6 +1026,10 @@ async def to_code(config):
             Path(__file__).parent / "iram_fix.py.script",
         )
 
+    # Set the uv cache inside the data dir so "Clean All" clears it.
+    # Avoids persistent corrupted cache from mid-stream download failures.
+    os.environ["UV_CACHE_DIR"] = str(CORE.relative_internal_path(".uv_cache"))
+
     if conf[CONF_TYPE] == FRAMEWORK_ESP_IDF:
         cg.add_platformio_option("framework", "espidf")
         cg.add_build_flag("-DUSE_ESP_IDF")

esphome/components/esp32_hosted/update/esp32_hosted_update.cpp

@@ -193,11 +193,14 @@ bool Esp32HostedUpdate::fetch_manifest_() {
     int read_or_error = container->read(buf, sizeof(buf));
     App.feed_wdt();
     yield();
-    auto result = http_request::http_read_loop_result(read_or_error, last_data_time, read_timeout);
+    auto result =
+        http_request::http_read_loop_result(read_or_error, last_data_time, read_timeout, container->is_read_complete());
     if (result == http_request::HttpReadLoopResult::RETRY)
       continue;
+    // Note: COMPLETE is currently unreachable since the loop condition checks bytes_read < content_length,
+    // but this is defensive code in case chunked transfer encoding support is added in the future.
     if (result != http_request::HttpReadLoopResult::DATA)
-      break;  // ERROR or TIMEOUT
+      break;  // COMPLETE, ERROR, or TIMEOUT
     json_str.append(reinterpret_cast<char *>(buf), read_or_error);
   }
   container->end();
@@ -318,9 +321,14 @@ bool Esp32HostedUpdate::stream_firmware_to_coprocessor_() {
     App.feed_wdt();
     yield();
 
-    auto result = http_request::http_read_loop_result(read_or_error, last_data_time, read_timeout);
+    auto result =
+        http_request::http_read_loop_result(read_or_error, last_data_time, read_timeout, container->is_read_complete());
     if (result == http_request::HttpReadLoopResult::RETRY)
       continue;
+    // Note: COMPLETE is currently unreachable since the loop condition checks bytes_read < content_length,
+    // but this is defensive code in case chunked transfer encoding support is added in the future.
+    if (result == http_request::HttpReadLoopResult::COMPLETE)
+      break;
     if (result != http_request::HttpReadLoopResult::DATA) {
       if (result == http_request::HttpReadLoopResult::TIMEOUT) {
         ESP_LOGE(TAG, "Timeout reading firmware data");

esphome/components/http_request/http_request.h

@@ -26,6 +26,7 @@ struct Header {
 enum HttpStatus {
   HTTP_STATUS_OK = 200,
   HTTP_STATUS_NO_CONTENT = 204,
+  HTTP_STATUS_RESET_CONTENT = 205,
   HTTP_STATUS_PARTIAL_CONTENT = 206,
 
   /* 3xx - Redirection */
@@ -126,19 +127,21 @@ struct HttpReadResult {
 
 /// Result of processing a non-blocking read with timeout (for manual loops)
 enum class HttpReadLoopResult : uint8_t {
-  DATA,     ///< Data was read, process it
-  RETRY,    ///< No data yet, already delayed, caller should continue loop
-  ERROR,    ///< Read error, caller should exit loop
-  TIMEOUT,  ///< Timeout waiting for data, caller should exit loop
+  DATA,      ///< Data was read, process it
+  COMPLETE,  ///< All content has been read, caller should exit loop
+  RETRY,     ///< No data yet, already delayed, caller should continue loop
+  ERROR,     ///< Read error, caller should exit loop
+  TIMEOUT,   ///< Timeout waiting for data, caller should exit loop
 };
 
 /// Process a read result with timeout tracking and delay handling
 /// @param bytes_read_or_error Return value from read() - positive for bytes read, negative for error
 /// @param last_data_time Time of last successful read, updated when data received
 /// @param timeout_ms Maximum time to wait for data
-/// @return DATA if data received, RETRY if should continue loop, ERROR/TIMEOUT if should exit
-inline HttpReadLoopResult http_read_loop_result(int bytes_read_or_error, uint32_t &last_data_time,
-                                                uint32_t timeout_ms) {
+/// @param is_read_complete Whether all expected content has been read (from HttpContainer::is_read_complete())
+/// @return How the caller should proceed - see HttpReadLoopResult enum
+inline HttpReadLoopResult http_read_loop_result(int bytes_read_or_error, uint32_t &last_data_time, uint32_t timeout_ms,
+                                                bool is_read_complete) {
   if (bytes_read_or_error > 0) {
     last_data_time = millis();
     return HttpReadLoopResult::DATA;
@@ -146,7 +149,10 @@ inline HttpReadLoopResult http_read_loop_result(int bytes_read_or_error, uint32_
   if (bytes_read_or_error < 0) {
     return HttpReadLoopResult::ERROR;
   }
-  // bytes_read_or_error == 0: no data available yet
+  // bytes_read_or_error == 0: either "no data yet" or "all content read"
+  if (is_read_complete) {
+    return HttpReadLoopResult::COMPLETE;
+  }
   if (millis() - last_data_time >= timeout_ms) {
     return HttpReadLoopResult::TIMEOUT;
   }
@@ -159,9 +165,9 @@ class HttpRequestComponent;
 class HttpContainer : public Parented<HttpRequestComponent> {
  public:
   virtual ~HttpContainer() = default;
-  size_t content_length;
-  int status_code;
-  uint32_t duration_ms;
+  size_t content_length{0};
+  int status_code{-1};  ///< -1 indicates no response received yet
+  uint32_t duration_ms{0};
 
   /**
    * @brief Read data from the HTTP response body.
@@ -194,9 +200,24 @@ class HttpContainer : public Parented<HttpRequestComponent> {
   virtual void end() = 0;
 
   void set_secure(bool secure) { this->secure_ = secure; }
+  void set_chunked(bool chunked) { this->is_chunked_ = chunked; }
 
   size_t get_bytes_read() const { return this->bytes_read_; }
 
+  /// Check if all expected content has been read
+  /// For chunked responses, returns false (completion detected via read() returning error/EOF)
+  bool is_read_complete() const {
+    // Per RFC 9112, these responses have no body:
+    // - 1xx (Informational), 204 No Content, 205 Reset Content, 304 Not Modified
+    if ((this->status_code >= 100 && this->status_code < 200) || this->status_code == HTTP_STATUS_NO_CONTENT ||
+        this->status_code == HTTP_STATUS_RESET_CONTENT || this->status_code == HTTP_STATUS_NOT_MODIFIED) {
+      return true;
+    }
+    // For non-chunked responses, complete when bytes_read >= content_length
+    // This handles both Content-Length: 0 and Content-Length: N cases
+    return !this->is_chunked_ && this->bytes_read_ >= this->content_length;
+  }
+
   /**
    * @brief Get response headers.
    *
@@ -209,6 +230,7 @@ class HttpContainer : public Parented<HttpRequestComponent> {
  protected:
   size_t bytes_read_{0};
   bool secure_{false};
+  bool is_chunked_{false};  ///< True if response uses chunked transfer encoding
   std::map<std::string, std::list<std::string>> response_headers_{};
 };
 
@@ -219,7 +241,7 @@ class HttpContainer : public Parented<HttpRequestComponent> {
 /// @param total_size Total bytes to read
 /// @param chunk_size Maximum bytes per read call
 /// @param timeout_ms Read timeout in milliseconds
-/// @return HttpReadResult with status and error_code on failure
+/// @return HttpReadResult with status and error_code on failure; use container->get_bytes_read() for total bytes read
 inline HttpReadResult http_read_fully(HttpContainer *container, uint8_t *buffer, size_t total_size, size_t chunk_size,
                                       uint32_t timeout_ms) {
   size_t read_index = 0;
@@ -231,9 +253,11 @@ inline HttpReadResult http_read_fully(HttpContainer *container, uint8_t *buffer,
     App.feed_wdt();
     yield();
 
-    auto result = http_read_loop_result(read_bytes_or_error, last_data_time, timeout_ms);
+    auto result = http_read_loop_result(read_bytes_or_error, last_data_time, timeout_ms, container->is_read_complete());
     if (result == HttpReadLoopResult::RETRY)
       continue;
+    if (result == HttpReadLoopResult::COMPLETE)
+      break;  // Server sent less data than requested, but transfer is complete
     if (result == HttpReadLoopResult::ERROR)
       return {HttpReadStatus::ERROR, read_bytes_or_error};
     if (result == HttpReadLoopResult::TIMEOUT)
@@ -393,11 +417,12 @@ template<typename... Ts> class HttpRequestSendAction : public Action<Ts...> {
           int read_or_error = container->read(buf + read_index, std::min<size_t>(max_length - read_index, 512));
           App.feed_wdt();
           yield();
-          auto result = http_read_loop_result(read_or_error, last_data_time, read_timeout);
+          auto result =
+              http_read_loop_result(read_or_error, last_data_time, read_timeout, container->is_read_complete());
           if (result == HttpReadLoopResult::RETRY)
             continue;
           if (result != HttpReadLoopResult::DATA)
-            break;  // ERROR or TIMEOUT
+            break;  // COMPLETE, ERROR, or TIMEOUT
           read_index += read_or_error;
         }
         response_body.reserve(read_index);

esphome/components/http_request/http_request_arduino.cpp

@@ -135,9 +135,23 @@ std::shared_ptr<HttpContainer> HttpRequestArduino::perform(const std::string &ur
   // When cast to size_t, -1 becomes SIZE_MAX (4294967295 on 32-bit).
   // The read() method handles this: bytes_read_ can never reach SIZE_MAX, so the
   // early return check (bytes_read_ >= content_length) will never trigger.
+  //
+  // TODO: Chunked transfer encoding is NOT properly supported on Arduino.
+  // The implementation in #7884 was incomplete - it only works correctly on ESP-IDF where
+  // esp_http_client_read() decodes chunks internally. On Arduino, using getStreamPtr()
+  // returns raw TCP data with chunk framing (e.g., "12a\r\n{json}\r\n0\r\n\r\n") instead
+  // of decoded content. This wasn't noticed because requests would complete and payloads
+  // were only examined on IDF. The long transfer times were also masked by the misleading
+  // "HTTP on Arduino version >= 3.1 is **very** slow" warning above. This causes two issues:
+  // 1. Response body is corrupted - contains chunk size headers mixed with data
+  // 2. Cannot detect end of transfer - connection stays open (keep-alive), causing timeout
+  // The proper fix would be to use getString() for chunked responses, which decodes chunks
+  // internally, but this buffers the entire response in memory.
   int content_length = container->client_.getSize();
   ESP_LOGD(TAG, "Content-Length: %d", content_length);
   container->content_length = (size_t) content_length;
+  // -1 (SIZE_MAX when cast to size_t) means chunked transfer encoding
+  container->set_chunked(content_length == -1);
   container->duration_ms = millis() - start;
 
   return container;
@@ -178,9 +192,9 @@ int HttpContainerArduino::read(uint8_t *buf, size_t max_len) {
 
   if (bufsize == 0) {
     this->duration_ms += (millis() - start);
-    // Check if we've read all expected content (only valid when content_length is known and not SIZE_MAX)
-    // For chunked encoding (content_length == SIZE_MAX), we can't use this check
-    if (this->content_length > 0 && this->bytes_read_ >= this->content_length) {
+    // Check if we've read all expected content (non-chunked only)
+    // For chunked encoding (content_length == SIZE_MAX), is_read_complete() returns false
+    if (this->is_read_complete()) {
       return 0;  // All content read successfully
     }
     // No data available - check if connection is still open

esphome/components/http_request/http_request_idf.cpp

@@ -155,6 +155,7 @@ std::shared_ptr<HttpContainer> HttpRequestIDF::perform(const std::string &url, c
   // esp_http_client_fetch_headers() returns 0 for chunked transfer encoding (no Content-Length header).
   // The read() method handles content_length == 0 specially to support chunked responses.
   container->content_length = esp_http_client_fetch_headers(client);
+  container->set_chunked(esp_http_client_is_chunked_response(client));
   container->feed_wdt();
   container->status_code = esp_http_client_get_status_code(client);
   container->feed_wdt();
@@ -190,6 +191,7 @@ std::shared_ptr<HttpContainer> HttpRequestIDF::perform(const std::string &url, c
 
       container->feed_wdt();
       container->content_length = esp_http_client_fetch_headers(client);
+      container->set_chunked(esp_http_client_is_chunked_response(client));
       container->feed_wdt();
       container->status_code = esp_http_client_get_status_code(client);
       container->feed_wdt();
@@ -234,10 +236,9 @@ int HttpContainerIDF::read(uint8_t *buf, size_t max_len) {
   const uint32_t start = millis();
   watchdog::WatchdogManager wdm(this->parent_->get_watchdog_timeout());
 
-  // Check if we've already read all expected content
-  // Skip this check when content_length is 0 (chunked transfer encoding or unknown length)
-  // For chunked responses, esp_http_client_read() will return 0 when all data is received
-  if (this->content_length > 0 && this->bytes_read_ >= this->content_length) {
+  // Check if we've already read all expected content (non-chunked only)
+  // For chunked responses (content_length == 0), esp_http_client_read() handles EOF
+  if (this->is_read_complete()) {
     return 0;  // All content read successfully
   }
 

esphome/components/http_request/ota/ota_http_request.cpp

@@ -130,9 +130,13 @@ uint8_t OtaHttpRequestComponent::do_ota_() {
     App.feed_wdt();
     yield();
 
-    auto result = http_read_loop_result(bufsize_or_error, last_data_time, read_timeout);
+    auto result = http_read_loop_result(bufsize_or_error, last_data_time, read_timeout, container->is_read_complete());
     if (result == HttpReadLoopResult::RETRY)
       continue;
+    // Note: COMPLETE is currently unreachable since the loop condition checks bytes_read < content_length,
+    // but this is defensive code in case chunked transfer encoding support is added for OTA in the future.
+    if (result == HttpReadLoopResult::COMPLETE)
+      break;
     if (result != HttpReadLoopResult::DATA) {
       if (result == HttpReadLoopResult::TIMEOUT) {
         ESP_LOGE(TAG, "Timeout reading data");

esphome/components/logger/logger_zephyr.cpp

@@ -68,7 +68,7 @@ void HOT Logger::write_msg_(const char *msg, size_t len) {
 #ifdef CONFIG_PRINTK
   // Requires the debug component and an active SWD connection.
   // It is used for pyocd rtt -t nrf52840
-  k_str_out(const_cast<char *>(msg), len);
+  printk("%.*s", static_cast<int>(len), msg);
 #endif
   if (this->uart_dev_ == nullptr) {
     return;

esphome/components/lvgl/schemas.py

@@ -436,6 +436,7 @@ def container_schema(widget_type: WidgetType, extras=None):
     schema = schema.extend(widget_type.schema)
 
     def validator(value):
+        value = value or {}
         return append_layout_schema(schema, value)(value)
 
     return validator

esphome/components/max7219/display.py

@@ -28,11 +28,10 @@ CONFIG_SCHEMA = (
 
 
 async def to_code(config):
-    var = cg.new_Pvariable(config[CONF_ID])
+    var = cg.new_Pvariable(config[CONF_ID], config[CONF_NUM_CHIPS])
     await spi.register_spi_device(var, config, write_only=True)
     await display.register_display(var, config)
 
-    cg.add(var.set_num_chips(config[CONF_NUM_CHIPS]))
     cg.add(var.set_intensity(config[CONF_INTENSITY]))
     cg.add(var.set_reverse(config[CONF_REVERSE_ENABLE]))
 

esphome/components/max7219/max7219.cpp

@@ -3,8 +3,7 @@
 #include "esphome/core/helpers.h"
 #include "esphome/core/log.h"
 
-namespace esphome {
-namespace max7219 {
+namespace esphome::max7219 {
 
 static const char *const TAG = "max7219";
 
@@ -115,12 +114,14 @@ const uint8_t MAX7219_ASCII_TO_RAW[95] PROGMEM = {
 };
 
 float MAX7219Component::get_setup_priority() const { return setup_priority::PROCESSOR; }
+
+MAX7219Component::MAX7219Component(uint8_t num_chips) : num_chips_(num_chips) {
+  this->buffer_ = new uint8_t[this->num_chips_ * 8];  // NOLINT
+  memset(this->buffer_, 0, this->num_chips_ * 8);
+}
+
 void MAX7219Component::setup() {
   this->spi_setup();
-  this->buffer_ = new uint8_t[this->num_chips_ * 8];  // NOLINT
-  for (uint8_t i = 0; i < this->num_chips_ * 8; i++)
-    this->buffer_[i] = 0;
-
   // let's assume the user has all 8 digits connected, only important in daisy chained setups anyway
   this->send_to_all_(MAX7219_REGISTER_SCAN_LIMIT, 7);
   // let's use our own ASCII -> led pattern encoding
@@ -229,7 +230,6 @@ void MAX7219Component::set_intensity(uint8_t intensity) {
     this->intensity_ = intensity;
   }
 }
-void MAX7219Component::set_num_chips(uint8_t num_chips) { this->num_chips_ = num_chips; }
 
 uint8_t MAX7219Component::strftime(uint8_t pos, const char *format, ESPTime time) {
   char buffer[64];
@@ -240,5 +240,4 @@ uint8_t MAX7219Component::strftime(uint8_t pos, const char *format, ESPTime time
 }
 uint8_t MAX7219Component::strftime(const char *format, ESPTime time) { return this->strftime(0, format, time); }
 
-}  // namespace max7219
-}  // namespace esphome
+}  // namespace esphome::max7219

esphome/components/max7219/max7219.h

@@ -6,8 +6,7 @@
 #include "esphome/components/spi/spi.h"
 #include "esphome/components/display/display.h"
 
-namespace esphome {
-namespace max7219 {
+namespace esphome::max7219 {
 
 class MAX7219Component;
 
@@ -17,6 +16,8 @@ class MAX7219Component : public PollingComponent,
                          public spi::SPIDevice<spi::BIT_ORDER_MSB_FIRST, spi::CLOCK_POLARITY_LOW,
                                                spi::CLOCK_PHASE_LEADING, spi::DATA_RATE_1MHZ> {
  public:
+  explicit MAX7219Component(uint8_t num_chips);
+
   void set_writer(max7219_writer_t &&writer);
 
   void setup() override;
@@ -30,7 +31,6 @@ class MAX7219Component : public PollingComponent,
   void display();
 
   void set_intensity(uint8_t intensity);
-  void set_num_chips(uint8_t num_chips);
   void set_reverse(bool reverse) { this->reverse_ = reverse; };
 
   /// Evaluate the printf-format and print the result at the given position.
@@ -56,10 +56,9 @@ class MAX7219Component : public PollingComponent,
   uint8_t intensity_{15};     // Intensity of the display from 0 to 15 (most)
   bool intensity_changed_{};  // True if we need to re-send the intensity
   uint8_t num_chips_{1};
-  uint8_t *buffer_;
+  uint8_t *buffer_{nullptr};
   bool reverse_{false};
   max7219_writer_t writer_{};
 };
 
-}  // namespace max7219
-}  // namespace esphome
+}  // namespace esphome::max7219

esphome/components/mipi_spi/mipi_spi.cpp

@@ -1,6 +1,39 @@
 #include "mipi_spi.h"
 #include "esphome/core/log.h"
 
-namespace esphome {
-namespace mipi_spi {}  // namespace mipi_spi
-}  // namespace esphome
+namespace esphome::mipi_spi {
+
+void internal_dump_config(const char *model, int width, int height, int offset_width, int offset_height, uint8_t madctl,
+                          bool invert_colors, int display_bits, bool is_big_endian, const optional<uint8_t> &brightness,
+                          GPIOPin *cs, GPIOPin *reset, GPIOPin *dc, int spi_mode, uint32_t data_rate, int bus_width) {
+  ESP_LOGCONFIG(TAG,
+                "MIPI_SPI Display\n"
+                "  Model: %s\n"
+                "  Width: %d\n"
+                "  Height: %d\n"
+                "  Swap X/Y: %s\n"
+                "  Mirror X: %s\n"
+                "  Mirror Y: %s\n"
+                "  Invert colors: %s\n"
+                "  Color order: %s\n"
+                "  Display pixels: %d bits\n"
+                "  Endianness: %s\n"
+                "  SPI Mode: %d\n"
+                "  SPI Data rate: %uMHz\n"
+                "  SPI Bus width: %d",
+                model, width, height, YESNO(madctl & MADCTL_MV), YESNO(madctl & (MADCTL_MX | MADCTL_XFLIP)),
+                YESNO(madctl & (MADCTL_MY | MADCTL_YFLIP)), YESNO(invert_colors), (madctl & MADCTL_BGR) ? "BGR" : "RGB",
+                display_bits, is_big_endian ? "Big" : "Little", spi_mode, static_cast<unsigned>(data_rate / 1000000),
+                bus_width);
+  LOG_PIN("  CS Pin: ", cs);
+  LOG_PIN("  Reset Pin: ", reset);
+  LOG_PIN("  DC Pin: ", dc);
+  if (offset_width != 0)
+    ESP_LOGCONFIG(TAG, "  Offset width: %d", offset_width);
+  if (offset_height != 0)
+    ESP_LOGCONFIG(TAG, "  Offset height: %d", offset_height);
+  if (brightness.has_value())
+    ESP_LOGCONFIG(TAG, "  Brightness: %u", brightness.value());
+}
+
+}  // namespace esphome::mipi_spi

esphome/components/mipi_spi/mipi_spi.h

@@ -63,6 +63,11 @@ enum BusType {
   BUS_TYPE_SINGLE_16 = 16,  // Single bit bus, but 16 bits per transfer
 };
 
+// Helper function for dump_config - defined in mipi_spi.cpp to allow use of LOG_PIN macro
+void internal_dump_config(const char *model, int width, int height, int offset_width, int offset_height, uint8_t madctl,
+                          bool invert_colors, int display_bits, bool is_big_endian, const optional<uint8_t> &brightness,
+                          GPIOPin *cs, GPIOPin *reset, GPIOPin *dc, int spi_mode, uint32_t data_rate, int bus_width);
+
 /**
  * Base class for MIPI SPI displays.
  * All the methods are defined here in the header file, as it is not possible to define templated methods in a cpp file.
@@ -201,40 +206,9 @@ class MipiSpi : public display::Display,
   }
 
   void dump_config() override {
-    esph_log_config(TAG,
-                    "MIPI_SPI Display\n"
-                    "  Model: %s\n"
-                    "  Width: %u\n"
-                    "  Height: %u",
-                    this->model_, WIDTH, HEIGHT);
-    if constexpr (OFFSET_WIDTH != 0)
-      esph_log_config(TAG, "  Offset width: %u", OFFSET_WIDTH);
-    if constexpr (OFFSET_HEIGHT != 0)
-      esph_log_config(TAG, "  Offset height: %u", OFFSET_HEIGHT);
-    esph_log_config(TAG,
-                    "  Swap X/Y: %s\n"
-                    "  Mirror X: %s\n"
-                    "  Mirror Y: %s\n"
-                    "  Invert colors: %s\n"
-                    "  Color order: %s\n"
-                    "  Display pixels: %d bits\n"
-                    "  Endianness: %s\n",
-                    YESNO(this->madctl_ & MADCTL_MV), YESNO(this->madctl_ & (MADCTL_MX | MADCTL_XFLIP)),
-                    YESNO(this->madctl_ & (MADCTL_MY | MADCTL_YFLIP)), YESNO(this->invert_colors_),
-                    this->madctl_ & MADCTL_BGR ? "BGR" : "RGB", DISPLAYPIXEL * 8, IS_BIG_ENDIAN ? "Big" : "Little");
-    if (this->brightness_.has_value())
-      esph_log_config(TAG, "  Brightness: %u", this->brightness_.value());
-    if (this->cs_ != nullptr)
-      esph_log_config(TAG, "  CS Pin: %s", this->cs_->dump_summary().c_str());
-    if (this->reset_pin_ != nullptr)
-      esph_log_config(TAG, "  Reset Pin: %s", this->reset_pin_->dump_summary().c_str());
-    if (this->dc_pin_ != nullptr)
-      esph_log_config(TAG, "  DC Pin: %s", this->dc_pin_->dump_summary().c_str());
-    esph_log_config(TAG,
-                    "  SPI Mode: %d\n"
-                    "  SPI Data rate: %dMHz\n"
-                    "  SPI Bus width: %d",
-                    this->mode_, static_cast<unsigned>(this->data_rate_ / 1000000), BUS_TYPE);
+    internal_dump_config(this->model_, WIDTH, HEIGHT, OFFSET_WIDTH, OFFSET_HEIGHT, this->madctl_, this->invert_colors_,
+                         DISPLAYPIXEL * 8, IS_BIG_ENDIAN, this->brightness_, this->cs_, this->reset_pin_, this->dc_pin_,
+                         this->mode_, this->data_rate_, BUS_TYPE);
   }
 
  protected:

esphome/components/mqtt/mqtt_backend_esp32.h

@@ -139,7 +139,8 @@ class MQTTBackendESP32 final : public MQTTBackend {
     this->lwt_retain_ = retain;
   }
   void set_server(network::IPAddress ip, uint16_t port) final {
-    this->host_ = ip.str();
+    char ip_buf[network::IP_ADDRESS_BUFFER_SIZE];
+    this->host_ = ip.str_to(ip_buf);
     this->port_ = port;
   }
   void set_server(const char *host, uint16_t port) final {

esphome/components/rd03d/rd03d.cpp

@@ -132,18 +132,15 @@ void RD03DComponent::process_frame_() {
     // Header is 4 bytes, each target is 8 bytes
     uint8_t offset = FRAME_HEADER_SIZE + (i * TARGET_DATA_SIZE);
 
-    // Extract raw bytes for this target
-    // Note: Despite datasheet Table 5-2 showing order as X, Y, Speed, Resolution,
-    // actual radar output has Resolution before Speed (verified empirically -
-    // stationary targets were showing non-zero speed with original field order)
+    // Extract raw bytes for this target (per datasheet Table 5-2: X, Y, Speed, Resolution)
     uint8_t x_low = this->buffer_[offset + 0];
     uint8_t x_high = this->buffer_[offset + 1];
     uint8_t y_low = this->buffer_[offset + 2];
     uint8_t y_high = this->buffer_[offset + 3];
-    uint8_t res_low = this->buffer_[offset + 4];
-    uint8_t res_high = this->buffer_[offset + 5];
-    uint8_t speed_low = this->buffer_[offset + 6];
-    uint8_t speed_high = this->buffer_[offset + 7];
+    uint8_t speed_low = this->buffer_[offset + 4];
+    uint8_t speed_high = this->buffer_[offset + 5];
+    uint8_t res_low = this->buffer_[offset + 6];
+    uint8_t res_high = this->buffer_[offset + 7];
 
     // Decode values per RD-03D format
     int16_t x = decode_value(x_low, x_high);

esphome/components/ultrasonic/__init__.py

@@ -1 +1 @@
-CODEOWNERS = ["@OttoWinter"]
+CODEOWNERS = ["@swoboda1337", "@ssieb"]

esphome/components/ultrasonic/sensor.py

@@ -34,7 +34,7 @@ CONFIG_SCHEMA = (
         {
             cv.Required(CONF_TRIGGER_PIN): pins.internal_gpio_output_pin_schema,
             cv.Required(CONF_ECHO_PIN): pins.internal_gpio_input_pin_schema,
-            cv.Optional(CONF_TIMEOUT): cv.distance,
+            cv.Optional(CONF_TIMEOUT, default="2m"): cv.distance,
             cv.Optional(
                 CONF_PULSE_TIME, default="10us"
             ): cv.positive_time_period_microseconds,
@@ -52,12 +52,5 @@ async def to_code(config):
     cg.add(var.set_trigger_pin(trigger))
     echo = await cg.gpio_pin_expression(config[CONF_ECHO_PIN])
     cg.add(var.set_echo_pin(echo))
-
-    # Remove before 2026.8.0
-    if CONF_TIMEOUT in config:
-        _LOGGER.warning(
-            "'timeout' option is deprecated and will be removed in 2026.8.0. "
-            "The option has no effect and can be safely removed."
-        )
-
+    cg.add(var.set_timeout_us(config[CONF_TIMEOUT] / (0.000343 / 2)))
     cg.add(var.set_pulse_time_us(config[CONF_PULSE_TIME]))

esphome/components/ultrasonic/ultrasonic_sensor.cpp

@@ -6,12 +6,11 @@ namespace esphome::ultrasonic {
 
 static const char *const TAG = "ultrasonic.sensor";
 
-static constexpr uint32_t DEBOUNCE_US = 50;                // Ignore edges within 50us (noise filtering)
-static constexpr uint32_t MEASUREMENT_TIMEOUT_US = 80000;  // Maximum time to wait for measurement completion
+static constexpr uint32_t START_TIMEOUT_US = 40000;  // Maximum time to wait for echo pulse to start
 
 void IRAM_ATTR UltrasonicSensorStore::gpio_intr(UltrasonicSensorStore *arg) {
   uint32_t now = micros();
-  if (!arg->echo_start || (now - arg->echo_start_us) <= DEBOUNCE_US) {
+  if (arg->echo_pin_isr.digital_read()) {
     arg->echo_start_us = now;
     arg->echo_start = true;
   } else {
@@ -38,6 +37,7 @@ void UltrasonicSensorComponent::setup() {
   this->trigger_pin_->digital_write(false);
   this->trigger_pin_isr_ = this->trigger_pin_->to_isr();
   this->echo_pin_->setup();
+  this->store_.echo_pin_isr = this->echo_pin_->to_isr();
   this->echo_pin_->attach_interrupt(UltrasonicSensorStore::gpio_intr, &this->store_, gpio::INTERRUPT_ANY_EDGE);
 }
 
@@ -53,29 +53,55 @@ void UltrasonicSensorComponent::loop() {
     return;
   }
 
+  if (!this->store_.echo_start) {
+    uint32_t elapsed = micros() - this->measurement_start_us_;
+    if (elapsed >= START_TIMEOUT_US) {
+      ESP_LOGW(TAG, "'%s' - Measurement start timed out", this->name_.c_str());
+      this->publish_state(NAN);
+      this->measurement_pending_ = false;
+      return;
+    }
+  } else {
+    uint32_t elapsed;
+    if (this->store_.echo_end) {
+      elapsed = this->store_.echo_end_us - this->store_.echo_start_us;
+    } else {
+      elapsed = micros() - this->store_.echo_start_us;
+    }
+    if (elapsed >= this->timeout_us_) {
+      ESP_LOGD(TAG, "'%s' - Measurement pulse timed out after %" PRIu32 "us", this->name_.c_str(), elapsed);
+      this->publish_state(NAN);
+      this->measurement_pending_ = false;
+      return;
+    }
+  }
+
   if (this->store_.echo_end) {
-    uint32_t pulse_duration = this->store_.echo_end_us - this->store_.echo_start_us;
-    ESP_LOGV(TAG, "Echo took %" PRIu32 "us", pulse_duration);
-    float result = UltrasonicSensorComponent::us_to_m(pulse_duration);
-    ESP_LOGD(TAG, "'%s' - Got distance: %.3f m", this->name_.c_str(), result);
+    float result;
+    if (this->store_.echo_start) {
+      uint32_t pulse_duration = this->store_.echo_end_us - this->store_.echo_start_us;
+      ESP_LOGV(TAG, "pulse start took %" PRIu32 "us, echo took %" PRIu32 "us",
+               this->store_.echo_start_us - this->measurement_start_us_, pulse_duration);
+      result = UltrasonicSensorComponent::us_to_m(pulse_duration);
+      ESP_LOGD(TAG, "'%s' - Got distance: %.3f m", this->name_.c_str(), result);
+    } else {
+      ESP_LOGW(TAG, "'%s' - pulse end before pulse start, does the echo pin need to be inverted?", this->name_.c_str());
+      result = NAN;
+    }
     this->publish_state(result);
     this->measurement_pending_ = false;
     return;
   }
-
-  uint32_t elapsed = micros() - this->measurement_start_us_;
-  if (elapsed >= MEASUREMENT_TIMEOUT_US) {
-    ESP_LOGD(TAG, "'%s' - Measurement timed out after %" PRIu32 "us", this->name_.c_str(), elapsed);
-    this->publish_state(NAN);
-    this->measurement_pending_ = false;
-  }
 }
 
 void UltrasonicSensorComponent::dump_config() {
   LOG_SENSOR("", "Ultrasonic Sensor", this);
   LOG_PIN("  Echo Pin: ", this->echo_pin_);
   LOG_PIN("  Trigger Pin: ", this->trigger_pin_);
-  ESP_LOGCONFIG(TAG, "  Pulse time: %" PRIu32 " us", this->pulse_time_us_);
+  ESP_LOGCONFIG(TAG,
+                "  Pulse time: %" PRIu32 " µs\n"
+                "  Timeout: %" PRIu32 " µs",
+                this->pulse_time_us_, this->timeout_us_);
   LOG_UPDATE_INTERVAL(this);
 }
 

esphome/components/ultrasonic/ultrasonic_sensor.h

@@ -11,6 +11,8 @@ namespace esphome::ultrasonic {
 struct UltrasonicSensorStore {
   static void gpio_intr(UltrasonicSensorStore *arg);
 
+  ISRInternalGPIOPin echo_pin_isr;
+  volatile uint32_t wait_start_us{0};
   volatile uint32_t echo_start_us{0};
   volatile uint32_t echo_end_us{0};
   volatile bool echo_start{false};
@@ -29,6 +31,8 @@ class UltrasonicSensorComponent : public sensor::Sensor, public PollingComponent
 
   float get_setup_priority() const override { return setup_priority::DATA; }
 
+  /// Set the maximum time in µs to wait for the echo to return
+  void set_timeout_us(uint32_t timeout_us) { this->timeout_us_ = timeout_us; }
   /// Set the time in µs the trigger pin should be enabled for in µs, defaults to 10µs (for HC-SR04)
   void set_pulse_time_us(uint32_t pulse_time_us) { this->pulse_time_us_ = pulse_time_us; }
 
@@ -41,6 +45,7 @@ class UltrasonicSensorComponent : public sensor::Sensor, public PollingComponent
   ISRInternalGPIOPin trigger_pin_isr_;
   InternalGPIOPin *echo_pin_;
   UltrasonicSensorStore store_;
+  uint32_t timeout_us_{};
   uint32_t pulse_time_us_{};
 
   uint32_t measurement_start_us_{0};

esphome/components/wifi/wifi_component.cpp

@@ -1383,6 +1383,12 @@ void WiFiComponent::check_connecting_finished(uint32_t now) {
 
     this->release_scan_results_();
 
+#ifdef USE_WIFI_CONNECT_STATE_LISTENERS
+    // Notify listeners now that state machine has reached STA_CONNECTED
+    // This ensures wifi.connected condition returns true in listener automations
+    this->notify_connect_state_listeners_();
+#endif
+
     return;
   }
 
@@ -2090,6 +2096,21 @@ void WiFiComponent::release_scan_results_() {
   }
 }
 
+#ifdef USE_WIFI_CONNECT_STATE_LISTENERS
+void WiFiComponent::notify_connect_state_listeners_() {
+  if (!this->pending_.connect_state)
+    return;
+  this->pending_.connect_state = false;
+  // Get current SSID and BSSID from the WiFi driver
+  char ssid_buf[SSID_BUFFER_SIZE];
+  const char *ssid = this->wifi_ssid_to(ssid_buf);
+  bssid_t bssid = this->wifi_bssid();
+  for (auto *listener : this->connect_state_listeners_) {
+    listener->on_wifi_connect_state(StringRef(ssid, strlen(ssid)), bssid);
+  }
+}
+#endif  // USE_WIFI_CONNECT_STATE_LISTENERS
+
 void WiFiComponent::check_roaming_(uint32_t now) {
   // Guard: not for hidden networks (may not appear in scan)
   const WiFiAP *selected = this->get_selected_sta_();

esphome/components/wifi/wifi_component.h

@@ -618,6 +618,11 @@ class WiFiComponent : public Component {
   /// Free scan results memory unless a component needs them
   void release_scan_results_();
 
+#ifdef USE_WIFI_CONNECT_STATE_LISTENERS
+  /// Notify connect state listeners (called after state machine reaches STA_CONNECTED)
+  void notify_connect_state_listeners_();
+#endif
+
 #ifdef USE_ESP8266
   static void wifi_event_callback(System_Event_t *event);
   void wifi_scan_done_callback_(void *arg, STATUS status);
@@ -721,6 +726,16 @@ class WiFiComponent : public Component {
   SemaphoreHandle_t high_performance_semaphore_{nullptr};
 #endif
 
+#ifdef USE_WIFI_CONNECT_STATE_LISTENERS
+  // Pending listener notifications deferred until state machine reaches appropriate state.
+  // Listeners are notified after state transitions complete so conditions like
+  // wifi.connected return correct values in automations.
+  // Uses bitfields to minimize memory; more flags may be added as needed.
+  struct {
+    bool connect_state : 1;  // Notify connect state listeners after STA_CONNECTED
+  } pending_{};
+#endif
+
   // Pointers at the end (naturally aligned)
   Trigger<> *connect_trigger_{new Trigger<>()};
   Trigger<> *disconnect_trigger_{new Trigger<>()};

esphome/components/wifi/wifi_component_esp8266.cpp

@@ -500,6 +500,10 @@ const LogString *get_disconnect_reason_str(uint8_t reason) {
   }
 }
 
+// TODO: This callback runs in ESP8266 system context with limited stack (~2KB).
+// All listener notifications should be deferred to wifi_loop_() via pending_ flags
+// to avoid stack overflow. Currently only connect_state is deferred; disconnect,
+// IP, and scan listeners still run in this context and should be migrated.
 void WiFiComponent::wifi_event_callback(System_Event_t *event) {
   switch (event->event) {
     case EVENT_STAMODE_CONNECTED: {
@@ -512,9 +516,9 @@ void WiFiComponent::wifi_event_callback(System_Event_t *event) {
 #endif
       s_sta_connected = true;
 #ifdef USE_WIFI_CONNECT_STATE_LISTENERS
-      for (auto *listener : global_wifi_component->connect_state_listeners_) {
-        listener->on_wifi_connect_state(StringRef(it.ssid, it.ssid_len), it.bssid);
-      }
+      // Defer listener notification until state machine reaches STA_CONNECTED
+      // This ensures wifi.connected condition returns true in listener automations
+      global_wifi_component->pending_.connect_state = true;
 #endif
       // For static IP configurations, GOT_IP event may not fire, so notify IP listeners here
 #if defined(USE_WIFI_IP_STATE_LISTENERS) && defined(USE_WIFI_MANUAL_IP)

esphome/components/wifi/wifi_component_esp_idf.cpp

@@ -710,6 +710,9 @@ void WiFiComponent::wifi_loop_() {
     delete data;  // NOLINT(cppcoreguidelines-owning-memory)
   }
 }
+// Events are processed from queue in main loop context, but listener notifications
+// must be deferred until after the state machine transitions (in check_connecting_finished)
+// so that conditions like wifi.connected return correct values in automations.
 void WiFiComponent::wifi_process_event_(IDFWiFiEvent *data) {
   esp_err_t err;
   if (data->event_base == WIFI_EVENT && data->event_id == WIFI_EVENT_STA_START) {
@@ -743,9 +746,9 @@ void WiFiComponent::wifi_process_event_(IDFWiFiEvent *data) {
 #endif
     s_sta_connected = true;
 #ifdef USE_WIFI_CONNECT_STATE_LISTENERS
-    for (auto *listener : this->connect_state_listeners_) {
-      listener->on_wifi_connect_state(StringRef(it.ssid, it.ssid_len), it.bssid);
-    }
+    // Defer listener notification until state machine reaches STA_CONNECTED
+    // This ensures wifi.connected condition returns true in listener automations
+    this->pending_.connect_state = true;
 #endif
     // For static IP configurations, GOT_IP event may not fire, so notify IP listeners here
 #if defined(USE_WIFI_IP_STATE_LISTENERS) && defined(USE_WIFI_MANUAL_IP)

esphome/components/wifi/wifi_component_libretiny.cpp

@@ -423,7 +423,10 @@ void WiFiComponent::wifi_event_callback_(esphome_wifi_event_id_t event, esphome_
   }
 }
 
-// Process a single event from the queue - runs in main loop context
+// Process a single event from the queue - runs in main loop context.
+// Listener notifications must be deferred until after the state machine transitions
+// (in check_connecting_finished) so that conditions like wifi.connected return
+// correct values in automations.
 void WiFiComponent::wifi_process_event_(LTWiFiEvent *event) {
   switch (event->event_id) {
     case ESPHOME_EVENT_ID_WIFI_READY: {
@@ -456,9 +459,9 @@ void WiFiComponent::wifi_process_event_(LTWiFiEvent *event) {
       // This matches ESP32 IDF behavior where s_sta_connected is set but
       // wifi_sta_connect_status_() also checks got_ipv4_address_
 #ifdef USE_WIFI_CONNECT_STATE_LISTENERS
-      for (auto *listener : this->connect_state_listeners_) {
-        listener->on_wifi_connect_state(StringRef(it.ssid, it.ssid_len), it.bssid);
-      }
+      // Defer listener notification until state machine reaches STA_CONNECTED
+      // This ensures wifi.connected condition returns true in listener automations
+      this->pending_.connect_state = true;
 #endif
       // For static IP configurations, GOT_IP event may not fire, so set connected state here
 #ifdef USE_WIFI_MANUAL_IP

esphome/components/wifi/wifi_component_pico_w.cpp

@@ -240,6 +240,10 @@ network::IPAddress WiFiComponent::wifi_dns_ip_(int num) {
   return network::IPAddress(dns_ip);
 }
 
+// Pico W uses polling for connection state detection.
+// Connect state listener notifications are deferred until after the state machine
+// transitions (in check_connecting_finished) so that conditions like wifi.connected
+// return correct values in automations.
 void WiFiComponent::wifi_loop_() {
   // Handle scan completion
   if (this->state_ == WIFI_COMPONENT_STATE_STA_SCANNING && !cyw43_wifi_scan_active(&cyw43_state)) {
@@ -264,11 +268,9 @@ void WiFiComponent::wifi_loop_() {
     s_sta_was_connected = true;
     ESP_LOGV(TAG, "Connected");
 #ifdef USE_WIFI_CONNECT_STATE_LISTENERS
-    String ssid = WiFi.SSID();
-    bssid_t bssid = this->wifi_bssid();
-    for (auto *listener : this->connect_state_listeners_) {
-      listener->on_wifi_connect_state(StringRef(ssid.c_str(), ssid.length()), bssid);
-    }
+    // Defer listener notification until state machine reaches STA_CONNECTED
+    // This ensures wifi.connected condition returns true in listener automations
+    this->pending_.connect_state = true;
 #endif
     // For static IP configurations, notify IP listeners immediately as the IP is already configured
 #if defined(USE_WIFI_IP_STATE_LISTENERS) && defined(USE_WIFI_MANUAL_IP)

esphome/const.py

@@ -4,7 +4,7 @@ from enum import Enum
 
 from esphome.enum import StrEnum
 
-__version__ = "2026.1.3"
+__version__ = "2026.1.5"
 
 ALLOWED_NAME_CHARS = "abcdefghijklmnopqrstuvwxyz0123456789-_"
 VALID_SUBSTITUTIONS_CHARACTERS = (

esphome/core/application.cpp

@@ -81,6 +81,10 @@ void Application::register_component_(Component *comp) {
       return;
     }
   }
+  if (this->components_.size() >= ESPHOME_COMPONENT_COUNT) {
+    ESP_LOGE(TAG, "Cannot register component %s - at capacity!", LOG_STR_ARG(comp->get_component_log_str()));
+    return;
+  }
   this->components_.push_back(comp);
 }
 void Application::setup() {

esphome/core/component.cpp

@@ -356,6 +356,10 @@ void Component::defer(const std::string &name, std::function<void()> &&f) {  //
 void Component::defer(const char *name, std::function<void()> &&f) {  // NOLINT
   App.scheduler.set_timeout(this, name, 0, std::move(f));
 }
+void Component::defer(uint32_t id, std::function<void()> &&f) {  // NOLINT
+  App.scheduler.set_timeout(this, id, 0, std::move(f));
+}
+bool Component::cancel_defer(uint32_t id) { return App.scheduler.cancel_timeout(this, id); }
 void Component::set_timeout(uint32_t timeout, std::function<void()> &&f) {  // NOLINT
   App.scheduler.set_timeout(this, static_cast<const char *>(nullptr), timeout, std::move(f));
 }

esphome/core/component.h

@@ -494,11 +494,15 @@ class Component {
   /// Defer a callback to the next loop() call.
   void defer(std::function<void()> &&f);  // NOLINT
 
+  /// Defer a callback with a numeric ID (zero heap allocation)
+  void defer(uint32_t id, std::function<void()> &&f);  // NOLINT
+
   /// Cancel a defer callback using the specified name, name must not be empty.
   // Remove before 2026.7.0
   ESPDEPRECATED("Use const char* overload instead. Removed in 2026.7.0", "2026.1.0")
   bool cancel_defer(const std::string &name);  // NOLINT
   bool cancel_defer(const char *name);         // NOLINT
+  bool cancel_defer(uint32_t id);              // NOLINT
 
   // Ordered for optimal packing on 32-bit systems
   const LogString *component_source_{nullptr};

esphome/dashboard/web_server.py

@@ -317,6 +317,7 @@ class EsphomeCommandWebSocket(CheckOriginMixin, tornado.websocket.WebSocketHandl
             # Check if the proc was not forcibly closed
             _LOGGER.info("Process exited with return code %s", returncode)
             self.write_message({"event": "exit", "code": returncode})
+            self.close()
 
     def on_close(self) -> None:
         # Check if proc exists (if 'start' has been run)

tests/components/lvgl/test.host.yaml

@@ -20,6 +20,8 @@ lvgl:
   - id: lvgl_0
     default_font: space16
     displays: sdl0
+    top_layer:
+
   - id: lvgl_1
     displays: sdl1
     on_idle:

tests/components/mipi_spi/test.esp8266-ard.yaml

@@ -0,0 +1,10 @@
+substitutions:
+  dc_pin: GPIO15
+  cs_pin: GPIO5
+  enable_pin: GPIO4
+  reset_pin: GPIO16
+
+packages:
+  spi: !include ../../test_build_components/common/spi/esp8266-ard.yaml
+
+<<: !include common.yaml

tests/dashboard/test_web_server.py

@@ -29,7 +29,7 @@ from esphome.dashboard.entries import (
     bool_to_entry_state,
 )
 from esphome.dashboard.models import build_importable_device_dict
-from esphome.dashboard.web_server import DashboardSubscriber
+from esphome.dashboard.web_server import DashboardSubscriber, EsphomeCommandWebSocket
 from esphome.zeroconf import DiscoveredImport
 
 from .common import get_fixture_path
@@ -1654,3 +1654,25 @@ async def test_websocket_check_origin_multiple_trusted_domains(
             assert data["event"] == "initial_state"
         finally:
             ws.close()
+
+
+def test_proc_on_exit_calls_close() -> None:
+    """Test _proc_on_exit sends exit event and closes the WebSocket."""
+    handler = Mock(spec=EsphomeCommandWebSocket)
+    handler._is_closed = False
+
+    EsphomeCommandWebSocket._proc_on_exit(handler, 0)
+
+    handler.write_message.assert_called_once_with({"event": "exit", "code": 0})
+    handler.close.assert_called_once()
+
+
+def test_proc_on_exit_skips_when_already_closed() -> None:
+    """Test _proc_on_exit does nothing when WebSocket is already closed."""
+    handler = Mock(spec=EsphomeCommandWebSocket)
+    handler._is_closed = True
+
+    EsphomeCommandWebSocket._proc_on_exit(handler, 0)
+
+    handler.write_message.assert_not_called()
+    handler.close.assert_not_called()

tests/integration/fixtures/scheduler_numeric_id_test.yaml

@@ -20,6 +20,9 @@ globals:
   - id: retry_counter
     type: int
     initial_value: '0'
+  - id: defer_counter
+    type: int
+    initial_value: '0'
   - id: tests_done
     type: bool
     initial_value: 'false'
@@ -136,11 +139,49 @@ script:
           App.scheduler.cancel_retry(component1, 6002U);
           ESP_LOGI("test", "Cancelled numeric retry 6002");
 
+          // Test 12: defer with numeric ID (Component method)
+          class TestDeferComponent : public Component {
+          public:
+            void test_defer_methods() {
+              // Test defer with uint32_t ID - should execute on next loop
+              this->defer(7001U, []() {
+                ESP_LOGI("test", "Component numeric defer 7001 fired");
+                id(defer_counter) += 1;
+              });
+
+              // Test another defer with numeric ID
+              this->defer(7002U, []() {
+                ESP_LOGI("test", "Component numeric defer 7002 fired");
+                id(defer_counter) += 1;
+              });
+            }
+          };
+
+          static TestDeferComponent test_defer_component;
+          test_defer_component.test_defer_methods();
+
+          // Test 13: cancel_defer with numeric ID (Component method)
+          class TestCancelDeferComponent : public Component {
+          public:
+            void test_cancel_defer() {
+              // Set a defer that should be cancelled
+              this->defer(8001U, []() {
+                ESP_LOGE("test", "ERROR: Numeric defer 8001 should have been cancelled");
+              });
+              // Cancel it immediately
+              bool cancelled = this->cancel_defer(8001U);
+              ESP_LOGI("test", "Cancelled numeric defer 8001: %s", cancelled ? "true" : "false");
+            }
+          };
+
+          static TestCancelDeferComponent test_cancel_defer_component;
+          test_cancel_defer_component.test_cancel_defer();
+
   - id: report_results
     then:
       - lambda: |-
-          ESP_LOGI("test", "Final results - Timeouts: %d, Intervals: %d, Retries: %d",
-                   id(timeout_counter), id(interval_counter), id(retry_counter));
+          ESP_LOGI("test", "Final results - Timeouts: %d, Intervals: %d, Retries: %d, Defers: %d",
+                   id(timeout_counter), id(interval_counter), id(retry_counter), id(defer_counter));
 
 sensor:
   - platform: template

tests/integration/test_scheduler_numeric_id_test.py

@@ -19,6 +19,7 @@ async def test_scheduler_numeric_id_test(
     timeout_count = 0
     interval_count = 0
     retry_count = 0
+    defer_count = 0
 
     # Events for each test completion
     numeric_timeout_1001_fired = asyncio.Event()
@@ -33,6 +34,9 @@ async def test_scheduler_numeric_id_test(
     max_id_timeout_fired = asyncio.Event()
     numeric_retry_done = asyncio.Event()
     numeric_retry_cancelled = asyncio.Event()
+    numeric_defer_7001_fired = asyncio.Event()
+    numeric_defer_7002_fired = asyncio.Event()
+    numeric_defer_cancelled = asyncio.Event()
     final_results_logged = asyncio.Event()
 
     # Track interval counts
@@ -40,7 +44,7 @@ async def test_scheduler_numeric_id_test(
     numeric_retry_count = 0
 
     def on_log_line(line: str) -> None:
-        nonlocal timeout_count, interval_count, retry_count
+        nonlocal timeout_count, interval_count, retry_count, defer_count
         nonlocal numeric_interval_count, numeric_retry_count
 
         # Strip ANSI color codes
@@ -105,15 +109,27 @@ async def test_scheduler_numeric_id_test(
         elif "Cancelled numeric retry 6002" in clean_line:
             numeric_retry_cancelled.set()
 
+        # Check for numeric defer tests
+        elif "Component numeric defer 7001 fired" in clean_line:
+            numeric_defer_7001_fired.set()
+
+        elif "Component numeric defer 7002 fired" in clean_line:
+            numeric_defer_7002_fired.set()
+
+        elif "Cancelled numeric defer 8001: true" in clean_line:
+            numeric_defer_cancelled.set()
+
         # Check for final results
         elif "Final results" in clean_line:
             match = re.search(
-                r"Timeouts: (\d+), Intervals: (\d+), Retries: (\d+)", clean_line
+                r"Timeouts: (\d+), Intervals: (\d+), Retries: (\d+), Defers: (\d+)",
+                clean_line,
             )
             if match:
                 timeout_count = int(match.group(1))
                 interval_count = int(match.group(2))
                 retry_count = int(match.group(3))
+                defer_count = int(match.group(4))
                 final_results_logged.set()
 
     async with (
@@ -201,6 +217,23 @@ async def test_scheduler_numeric_id_test(
             "Numeric retry 6002 should have been cancelled"
         )
 
+        # Wait for numeric defer tests
+        try:
+            await asyncio.wait_for(numeric_defer_7001_fired.wait(), timeout=0.5)
+        except TimeoutError:
+            pytest.fail("Numeric defer 7001 did not fire within 0.5 seconds")
+
+        try:
+            await asyncio.wait_for(numeric_defer_7002_fired.wait(), timeout=0.5)
+        except TimeoutError:
+            pytest.fail("Numeric defer 7002 did not fire within 0.5 seconds")
+
+        # Verify numeric defer was cancelled
+        try:
+            await asyncio.wait_for(numeric_defer_cancelled.wait(), timeout=0.5)
+        except TimeoutError:
+            pytest.fail("Numeric defer 8001 cancel confirmation not received")
+
         # Wait for final results
         try:
             await asyncio.wait_for(final_results_logged.wait(), timeout=3.0)
@@ -215,3 +248,4 @@ async def test_scheduler_numeric_id_test(
         assert retry_count >= 2, (
             f"Expected at least 2 retry attempts, got {retry_count}"
         )
+        assert defer_count >= 2, f"Expected at least 2 defer fires, got {defer_count}"

tests/unit_tests/test_main.py

@@ -32,6 +32,7 @@ from esphome.__main__ import (
     has_mqtt_ip_lookup,
     has_mqtt_logging,
     has_non_ip_address,
+    has_ota,
     has_resolvable_address,
     mqtt_get_ip,
     run_esphome,
@@ -332,7 +333,9 @@ def test_choose_upload_log_host_with_mixed_hostnames_and_ips() -> None:
 
 def test_choose_upload_log_host_with_ota_list() -> None:
     """Test with OTA as the only item in the list."""
-    setup_core(config={CONF_OTA: {}}, address="192.168.1.100")
+    setup_core(
+        config={CONF_OTA: [{CONF_PLATFORM: CONF_ESPHOME}]}, address="192.168.1.100"
+    )
 
     result = choose_upload_log_host(
         default=["OTA"],
@@ -345,7 +348,7 @@ def test_choose_upload_log_host_with_ota_list() -> None:
 @pytest.mark.usefixtures("mock_has_mqtt_logging")
 def test_choose_upload_log_host_with_ota_list_mqtt_fallback() -> None:
     """Test with OTA list falling back to MQTT when no address."""
-    setup_core(config={CONF_OTA: {}, "mqtt": {}})
+    setup_core(config={CONF_OTA: [{CONF_PLATFORM: CONF_ESPHOME}], "mqtt": {}})
 
     result = choose_upload_log_host(
         default=["OTA"],
@@ -408,7 +411,9 @@ def test_choose_upload_log_host_with_serial_device_with_ports(
 
 def test_choose_upload_log_host_with_ota_device_with_ota_config() -> None:
     """Test OTA device when OTA is configured."""
-    setup_core(config={CONF_OTA: {}}, address="192.168.1.100")
+    setup_core(
+        config={CONF_OTA: [{CONF_PLATFORM: CONF_ESPHOME}]}, address="192.168.1.100"
+    )
 
     result = choose_upload_log_host(
         default="OTA",
@@ -475,7 +480,9 @@ def test_choose_upload_log_host_with_ota_device_no_fallback() -> None:
 @pytest.mark.usefixtures("mock_choose_prompt")
 def test_choose_upload_log_host_multiple_devices() -> None:
     """Test with multiple devices including special identifiers."""
-    setup_core(config={CONF_OTA: {}}, address="192.168.1.100")
+    setup_core(
+        config={CONF_OTA: [{CONF_PLATFORM: CONF_ESPHOME}]}, address="192.168.1.100"
+    )
 
     mock_ports = [MockSerialPort("/dev/ttyUSB0", "USB Serial")]
 
@@ -514,7 +521,9 @@ def test_choose_upload_log_host_no_defaults_with_serial_ports(
 @pytest.mark.usefixtures("mock_no_serial_ports")
 def test_choose_upload_log_host_no_defaults_with_ota() -> None:
     """Test interactive mode with OTA option."""
-    setup_core(config={CONF_OTA: {}}, address="192.168.1.100")
+    setup_core(
+        config={CONF_OTA: [{CONF_PLATFORM: CONF_ESPHOME}]}, address="192.168.1.100"
+    )
 
     with patch(
         "esphome.__main__.choose_prompt", return_value="192.168.1.100"
@@ -575,7 +584,11 @@ def test_choose_upload_log_host_no_defaults_with_all_options(
 ) -> None:
     """Test interactive mode with all options available."""
     setup_core(
-        config={CONF_OTA: {}, CONF_API: {}, CONF_MQTT: {CONF_BROKER: "mqtt.local"}},
+        config={
+            CONF_OTA: [{CONF_PLATFORM: CONF_ESPHOME}],
+            CONF_API: {},
+            CONF_MQTT: {CONF_BROKER: "mqtt.local"},
+        },
         address="192.168.1.100",
     )
 
@@ -604,7 +617,11 @@ def test_choose_upload_log_host_no_defaults_with_all_options_logging(
 ) -> None:
     """Test interactive mode with all options available."""
     setup_core(
-        config={CONF_OTA: {}, CONF_API: {}, CONF_MQTT: {CONF_BROKER: "mqtt.local"}},
+        config={
+            CONF_OTA: [{CONF_PLATFORM: CONF_ESPHOME}],
+            CONF_API: {},
+            CONF_MQTT: {CONF_BROKER: "mqtt.local"},
+        },
         address="192.168.1.100",
     )
 
@@ -632,7 +649,9 @@ def test_choose_upload_log_host_no_defaults_with_all_options_logging(
 @pytest.mark.usefixtures("mock_no_serial_ports")
 def test_choose_upload_log_host_check_default_matches() -> None:
     """Test when check_default matches an available option."""
-    setup_core(config={CONF_OTA: {}}, address="192.168.1.100")
+    setup_core(
+        config={CONF_OTA: [{CONF_PLATFORM: CONF_ESPHOME}]}, address="192.168.1.100"
+    )
 
     result = choose_upload_log_host(
         default=None,
@@ -704,7 +723,10 @@ def test_choose_upload_log_host_mixed_resolved_unresolved() -> None:
 
 def test_choose_upload_log_host_ota_both_conditions() -> None:
     """Test OTA device when both OTA and API are configured and enabled."""
-    setup_core(config={CONF_OTA: {}, CONF_API: {}}, address="192.168.1.100")
+    setup_core(
+        config={CONF_OTA: [{CONF_PLATFORM: CONF_ESPHOME}], CONF_API: {}},
+        address="192.168.1.100",
+    )
 
     result = choose_upload_log_host(
         default="OTA",
@@ -719,7 +741,7 @@ def test_choose_upload_log_host_ota_ip_all_options() -> None:
     """Test OTA device when both static IP, OTA, API and MQTT are configured and enabled but MDNS not."""
     setup_core(
         config={
-            CONF_OTA: {},
+            CONF_OTA: [{CONF_PLATFORM: CONF_ESPHOME}],
             CONF_API: {},
             CONF_MQTT: {
                 CONF_BROKER: "mqtt.local",
@@ -744,7 +766,7 @@ def test_choose_upload_log_host_ota_local_all_options() -> None:
     """Test OTA device when both static IP, OTA, API and MQTT are configured and enabled but MDNS not."""
     setup_core(
         config={
-            CONF_OTA: {},
+            CONF_OTA: [{CONF_PLATFORM: CONF_ESPHOME}],
             CONF_API: {},
             CONF_MQTT: {
                 CONF_BROKER: "mqtt.local",
@@ -769,7 +791,7 @@ def test_choose_upload_log_host_ota_ip_all_options_logging() -> None:
     """Test OTA device when both static IP, OTA, API and MQTT are configured and enabled but MDNS not."""
     setup_core(
         config={
-            CONF_OTA: {},
+            CONF_OTA: [{CONF_PLATFORM: CONF_ESPHOME}],
             CONF_API: {},
             CONF_MQTT: {
                 CONF_BROKER: "mqtt.local",
@@ -794,7 +816,7 @@ def test_choose_upload_log_host_ota_local_all_options_logging() -> None:
     """Test OTA device when both static IP, OTA, API and MQTT are configured and enabled but MDNS not."""
     setup_core(
         config={
-            CONF_OTA: {},
+            CONF_OTA: [{CONF_PLATFORM: CONF_ESPHOME}],
             CONF_API: {},
             CONF_MQTT: {
                 CONF_BROKER: "mqtt.local",
@@ -817,7 +839,7 @@ def test_choose_upload_log_host_ota_local_all_options_logging() -> None:
 @pytest.mark.usefixtures("mock_no_mqtt_logging")
 def test_choose_upload_log_host_no_address_with_ota_config() -> None:
     """Test OTA device when OTA is configured but no address is set."""
-    setup_core(config={CONF_OTA: {}})
+    setup_core(config={CONF_OTA: [{CONF_PLATFORM: CONF_ESPHOME}]})
 
     with pytest.raises(
         EsphomeError, match="All specified devices .* could not be resolved"
@@ -1532,10 +1554,43 @@ def test_has_mqtt() -> None:
     assert has_mqtt() is False
 
     # Test with other components but no MQTT
-    setup_core(config={CONF_API: {}, CONF_OTA: {}})
+    setup_core(config={CONF_API: {}, CONF_OTA: [{CONF_PLATFORM: CONF_ESPHOME}]})
     assert has_mqtt() is False
 
 
+def test_has_ota() -> None:
+    """Test has_ota function.
+
+    The has_ota function should only return True when OTA is configured
+    with platform: esphome, not when only platform: http_request is configured.
+    This is because CLI OTA upload only works with the esphome platform.
+    """
+    # Test with OTA esphome platform configured
+    setup_core(config={CONF_OTA: [{CONF_PLATFORM: CONF_ESPHOME}]})
+    assert has_ota() is True
+
+    # Test with OTA http_request platform only (should return False)
+    # This is the bug scenario from issue #13783
+    setup_core(config={CONF_OTA: [{CONF_PLATFORM: "http_request"}]})
+    assert has_ota() is False
+
+    # Test without OTA configured
+    setup_core(config={})
+    assert has_ota() is False
+
+    # Test with multiple OTA platforms including esphome
+    setup_core(
+        config={
+            CONF_OTA: [{CONF_PLATFORM: "http_request"}, {CONF_PLATFORM: CONF_ESPHOME}]
+        }
+    )
+    assert has_ota() is True
+
+    # Test with empty OTA list
+    setup_core(config={CONF_OTA: []})
+    assert has_ota() is False
+
+
 def test_get_port_type() -> None:
     """Test get_port_type function."""