Merge pull request #12513 from esphome/bump-2025.12.0b4

2025.12.0b4

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         = 2025.12.0b3
+PROJECT_NUMBER         = 2025.12.0b4
 
 # 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/esp32/__init__.py

@@ -4,6 +4,7 @@ import itertools
 import logging
 import os
 from pathlib import Path
+import re
 
 from esphome import yaml_util
 import esphome.codegen as cg
@@ -616,10 +617,13 @@ def require_vfs_dir() -> None:
 
 def _parse_idf_component(value: str) -> ConfigType:
     """Parse IDF component shorthand syntax like 'owner/component^version'"""
-    if "^" not in value:
-        raise cv.Invalid(f"Invalid IDF component shorthand '{value}'")
-    name, ref = value.split("^", 1)
-    return {CONF_NAME: name, CONF_REF: ref}
+    # Match operator followed by version-like string (digit or *)
+    if match := re.search(r"(~=|>=|<=|==|!=|>|<|\^|~)(\d|\*)", value):
+        return {CONF_NAME: value[: match.start()], CONF_REF: value[match.start() :]}
+    raise cv.Invalid(
+        f"Invalid IDF component shorthand '{value}'. "
+        f"Expected format: 'owner/component<op>version' where <op> is one of: ^, ~, ~=, ==, !=, >=, >, <=, <"
+    )
 
 
 def _validate_idf_component(config: ConfigType) -> ConfigType:

esphome/components/http_request/http_request.h

@@ -255,6 +255,9 @@ template<typename... Ts> class HttpRequestSendAction : public Action<Ts...> {
         size_t read_index = 0;
         while (container->get_bytes_read() < max_length) {
           int read = container->read(buf + read_index, std::min<size_t>(max_length - read_index, 512));
+          if (read <= 0) {
+            break;
+          }
           App.feed_wdt();
           yield();
           read_index += read;

esphome/components/http_request/ota/ota_http_request.cpp

@@ -132,11 +132,18 @@ uint8_t OtaHttpRequestComponent::do_ota_() {
     App.feed_wdt();
     yield();
 
-    if (bufsize < 0) {
-      ESP_LOGE(TAG, "Stream closed");
-      this->cleanup_(std::move(backend), container);
-      return OTA_CONNECTION_ERROR;
-    } else if (bufsize > 0 && bufsize <= OtaHttpRequestComponent::HTTP_RECV_BUFFER) {
+    // Exit loop if no data available (stream closed or end of data)
+    if (bufsize <= 0) {
+      if (bufsize < 0) {
+        ESP_LOGE(TAG, "Stream closed with error");
+        this->cleanup_(std::move(backend), container);
+        return OTA_CONNECTION_ERROR;
+      }
+      // bufsize == 0: no more data available, exit loop
+      break;
+    }
+
+    if (bufsize <= OtaHttpRequestComponent::HTTP_RECV_BUFFER) {
       // add read bytes to MD5
       md5_receive.add(buf, bufsize);
 
@@ -247,6 +254,9 @@ bool OtaHttpRequestComponent::http_get_md5_() {
   int read_len = 0;
   while (container->get_bytes_read() < MD5_SIZE) {
     read_len = container->read((uint8_t *) this->md5_expected_.data(), MD5_SIZE);
+    if (read_len <= 0) {
+      break;
+    }
     App.feed_wdt();
     yield();
   }

esphome/components/http_request/update/http_request_update.cpp

@@ -76,6 +76,11 @@ void HttpRequestUpdate::update_task(void *params) {
 
     yield();
 
+    if (read_bytes <= 0) {
+      // Network error or connection closed - break to avoid infinite loop
+      break;
+    }
+
     read_index += read_bytes;
   }
 

esphome/components/remote_base/abbwelcome_protocol.h

@@ -232,10 +232,10 @@ template<typename... Ts> class ABBWelcomeAction : public RemoteTransmitterAction
     data.set_message_id(this->message_id_.value(x...));
     data.auto_message_id = this->auto_message_id_.value(x...);
     std::vector<uint8_t> data_vec;
-    if (this->len_ >= 0) {
+    if (this->len_ > 0) {
       // Static mode: copy from flash to vector
       data_vec.assign(this->data_.data, this->data_.data + this->len_);
-    } else {
+    } else if (this->len_ < 0) {
       // Template mode: call function
       data_vec = this->data_.func(x...);
     }
@@ -245,7 +245,7 @@ template<typename... Ts> class ABBWelcomeAction : public RemoteTransmitterAction
   }
 
  protected:
-  ssize_t len_{-1};  // -1 = template mode, >=0 = static mode with length
+  ssize_t len_{0};  // <0 = template mode, >=0 = static mode with length
   union Data {
     std::vector<uint8_t> (*func)(Ts...);  // Function pointer (stateless lambdas)
     const uint8_t *data;                  // Pointer to static data in flash

esphome/const.py

@@ -4,7 +4,7 @@ from enum import Enum
 
 from esphome.enum import StrEnum
 
-__version__ = "2025.12.0b3"
+__version__ = "2025.12.0b4"
 
 ALLOWED_NAME_CHARS = "abcdefghijklmnopqrstuvwxyz0123456789-_"
 VALID_SUBSTITUTIONS_CHARACTERS = (