diff --git a/CODEOWNERS b/CODEOWNERS
index 999449a3df..663a942cb4 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -168,7 +168,7 @@ esphome/components/he60r/* @clydebarrow
 esphome/components/heatpumpir/* @rob-deutsch
 esphome/components/hitachi_ac424/* @sourabhjaiswal
 esphome/components/hm3301/* @freekode
-esphome/components/homeassistant/* @OttoWinter
+esphome/components/homeassistant/* @OttoWinter @esphome/core
 esphome/components/honeywell_hih_i2c/* @Benichou34
 esphome/components/honeywellabp/* @RubyBailey
 esphome/components/honeywellabp2_i2c/* @jpfaff
@@ -453,6 +453,7 @@ esphome/components/wl_134/* @hobbypunk90
 esphome/components/x9c/* @EtienneMD
 esphome/components/xgzp68xx/* @gcormier
 esphome/components/xiaomi_hhccjcy10/* @fariouche
+esphome/components/xiaomi_lywsd02mmc/* @juanluss31
 esphome/components/xiaomi_lywsd03mmc/* @ahpohl
 esphome/components/xiaomi_mhoc303/* @drug123
 esphome/components/xiaomi_mhoc401/* @vevsvevs
diff --git a/esphome/components/api/api.proto b/esphome/components/api/api.proto
index b62fddf815..72eaeed6d7 100644
--- a/esphome/components/api/api.proto
+++ b/esphome/components/api/api.proto
@@ -686,6 +686,7 @@ message SubscribeHomeAssistantStateResponse {
   option (source) = SOURCE_SERVER;
   string entity_id = 1;
   string attribute = 2;
+  bool once = 3;
 }
 
 message HomeAssistantStateResponse {
diff --git a/esphome/components/api/api_connection.cpp b/esphome/components/api/api_connection.cpp
index 8e4c6faaee..bd438265d4 100644
--- a/esphome/components/api/api_connection.cpp
+++ b/esphome/components/api/api_connection.cpp
@@ -1335,6 +1335,9 @@ void APIConnection::update_command(const UpdateCommandRequest &msg) {
     case enums::UPDATE_COMMAND_CHECK:
       update->check();
       break;
+    case enums::UPDATE_COMMAND_NONE:
+      ESP_LOGE(TAG, "UPDATE_COMMAND_NONE not handled. Check client is sending the correct command");
+      break;
     default:
       ESP_LOGW(TAG, "Unknown update command: %" PRIu32, msg.command);
       break;
diff --git a/esphome/components/api/api_pb2.cpp b/esphome/components/api/api_pb2.cpp
index a57627a66c..bb37824403 100644
--- a/esphome/components/api/api_pb2.cpp
+++ b/esphome/components/api/api_pb2.cpp
@@ -3109,6 +3109,16 @@ void SubscribeHomeAssistantStatesRequest::dump_to(std::string &out) const {
   out.append("SubscribeHomeAssistantStatesRequest {}");
 }
 #endif
+bool SubscribeHomeAssistantStateResponse::decode_varint(uint32_t field_id, ProtoVarInt value) {
+  switch (field_id) {
+    case 3: {
+      this->once = value.as_bool();
+      return true;
+    }
+    default:
+      return false;
+  }
+}
 bool SubscribeHomeAssistantStateResponse::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
   switch (field_id) {
     case 1: {
@@ -3126,6 +3136,7 @@ bool SubscribeHomeAssistantStateResponse::decode_length(uint32_t field_id, Proto
 void SubscribeHomeAssistantStateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_string(1, this->entity_id);
   buffer.encode_string(2, this->attribute);
+  buffer.encode_bool(3, this->once);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void SubscribeHomeAssistantStateResponse::dump_to(std::string &out) const {
@@ -3138,6 +3149,10 @@ void SubscribeHomeAssistantStateResponse::dump_to(std::string &out) const {
   out.append("  attribute: ");
   out.append("'").append(this->attribute).append("'");
   out.append("\n");
+
+  out.append("  once: ");
+  out.append(YESNO(this->once));
+  out.append("\n");
   out.append("}");
 }
 #endif
diff --git a/esphome/components/api/api_pb2.h b/esphome/components/api/api_pb2.h
index bb5263cffa..3eb945fd8d 100644
--- a/esphome/components/api/api_pb2.h
+++ b/esphome/components/api/api_pb2.h
@@ -836,6 +836,7 @@ class SubscribeHomeAssistantStateResponse : public ProtoMessage {
  public:
   std::string entity_id{};
   std::string attribute{};
+  bool once{false};
   void encode(ProtoWriteBuffer buffer) const override;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   void dump_to(std::string &out) const override;
@@ -843,6 +844,7 @@ class SubscribeHomeAssistantStateResponse : public ProtoMessage {
 
  protected:
   bool decode_length(uint32_t field_id, ProtoLengthDelimited value) override;
+  bool decode_varint(uint32_t field_id, ProtoVarInt value) override;
 };
 class HomeAssistantStateResponse : public ProtoMessage {
  public:
diff --git a/esphome/components/api/api_server.cpp b/esphome/components/api/api_server.cpp
index a61ae89243..0fde3e47af 100644
--- a/esphome/components/api/api_server.cpp
+++ b/esphome/components/api/api_server.cpp
@@ -359,8 +359,18 @@ void APIServer::subscribe_home_assistant_state(std::string entity_id, optional<s
       .entity_id = std::move(entity_id),
       .attribute = std::move(attribute),
       .callback = std::move(f),
+      .once = false,
   });
 }
+void APIServer::get_home_assistant_state(std::string entity_id, optional<std::string> attribute,
+                                         std::function<void(std::string)> f) {
+  this->state_subs_.push_back(HomeAssistantStateSubscription{
+      .entity_id = std::move(entity_id),
+      .attribute = std::move(attribute),
+      .callback = std::move(f),
+      .once = true,
+  });
+};
 const std::vector<APIServer::HomeAssistantStateSubscription> &APIServer::get_state_subs() const {
   return this->state_subs_;
 }
diff --git a/esphome/components/api/api_server.h b/esphome/components/api/api_server.h
index 43bc8a7348..899eaede49 100644
--- a/esphome/components/api/api_server.h
+++ b/esphome/components/api/api_server.h
@@ -112,10 +112,13 @@ class APIServer : public Component, public Controller {
     std::string entity_id;
     optional<std::string> attribute;
     std::function<void(std::string)> callback;
+    bool once;
   };
 
   void subscribe_home_assistant_state(std::string entity_id, optional<std::string> attribute,
                                       std::function<void(std::string)> f);
+  void get_home_assistant_state(std::string entity_id, optional<std::string> attribute,
+                                std::function<void(std::string)> f);
   const std::vector<HomeAssistantStateSubscription> &get_state_subs() const;
   const std::vector<UserServiceDescriptor *> &get_user_services() const { return this->user_services_; }
 
diff --git a/esphome/components/bedjet/bedjet_codec.h b/esphome/components/bedjet/bedjet_codec.h
index 527e757d7f..07aee32d54 100644
--- a/esphome/components/bedjet/bedjet_codec.h
+++ b/esphome/components/bedjet/bedjet_codec.h
@@ -90,7 +90,7 @@ struct BedjetStatusPacket {
     int unused_6 : 1;       // 0x4
     bool is_dual_zone : 1;  /// Is part of a Dual Zone configuration
     int unused_7 : 1;       // 0x1
-  } dual_zone_flags;
+  } dual_zone_flags;        // NOLINT(clang-diagnostic-unaligned-access)
 
   uint8_t unused_4 : 8;  // Unknown 23-24 = 0x1310
   uint8_t unused_5 : 8;  // Unknown 23-24 = 0x1310
diff --git a/esphome/components/fingerprint_grow/fingerprint_grow.cpp b/esphome/components/fingerprint_grow/fingerprint_grow.cpp
index c2cab368c9..0dfea49b8b 100644
--- a/esphome/components/fingerprint_grow/fingerprint_grow.cpp
+++ b/esphome/components/fingerprint_grow/fingerprint_grow.cpp
@@ -307,7 +307,7 @@ void FingerprintGrowComponent::delete_fingerprint(uint16_t finger_id) {
 
 void FingerprintGrowComponent::delete_all_fingerprints() {
   ESP_LOGI(TAG, "Deleting all stored fingerprints");
-  this->data_ = {EMPTY};
+  this->data_ = {DELETE_ALL};
   switch (this->send_command_()) {
     case OK:
       ESP_LOGI(TAG, "Deleted all fingerprints");
diff --git a/esphome/components/fingerprint_grow/fingerprint_grow.h b/esphome/components/fingerprint_grow/fingerprint_grow.h
index 20ff60997b..1c3098ef14 100644
--- a/esphome/components/fingerprint_grow/fingerprint_grow.h
+++ b/esphome/components/fingerprint_grow/fingerprint_grow.h
@@ -36,7 +36,7 @@ enum GrowCommand {
   LOAD = 0x07,
   UPLOAD = 0x08,
   DELETE = 0x0C,
-  EMPTY = 0x0D,
+  DELETE_ALL = 0x0D,  // aka EMPTY
   READ_SYS_PARAM = 0x0F,
   SET_PASSWORD = 0x12,
   VERIFY_PASSWORD = 0x13,
diff --git a/esphome/components/haier/haier_base.h b/esphome/components/haier/haier_base.h
index c0bf878519..7d92a6611c 100644
--- a/esphome/components/haier/haier_base.h
+++ b/esphome/components/haier/haier_base.h
@@ -80,8 +80,8 @@ class HaierClimateBase : public esphome::Component,
   const char *phase_to_string_(ProtocolPhases phase);
   virtual void set_handlers() = 0;
   virtual void process_phase(std::chrono::steady_clock::time_point now) = 0;
-  virtual haier_protocol::HaierMessage get_control_message() = 0;
-  virtual haier_protocol::HaierMessage get_power_message(bool state) = 0;
+  virtual haier_protocol::HaierMessage get_control_message() = 0;          // NOLINT(readability-identifier-naming)
+  virtual haier_protocol::HaierMessage get_power_message(bool state) = 0;  // NOLINT(readability-identifier-naming)
   virtual void initialization(){};
   virtual bool prepare_pending_action();
   virtual void process_protocol_reset();
diff --git a/esphome/components/homeassistant/__init__.py b/esphome/components/homeassistant/__init__.py
index 776aa7fd7b..6d997e48ca 100644
--- a/esphome/components/homeassistant/__init__.py
+++ b/esphome/components/homeassistant/__init__.py
@@ -2,7 +2,7 @@ import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.const import CONF_ATTRIBUTE, CONF_ENTITY_ID, CONF_INTERNAL
 
-CODEOWNERS = ["@OttoWinter"]
+CODEOWNERS = ["@OttoWinter", "@esphome/core"]
 homeassistant_ns = cg.esphome_ns.namespace("homeassistant")
 
 HOME_ASSISTANT_IMPORT_SCHEMA = cv.Schema(
@@ -13,6 +13,13 @@ HOME_ASSISTANT_IMPORT_SCHEMA = cv.Schema(
     }
 )
 
+HOME_ASSISTANT_IMPORT_CONTROL_SCHEMA = cv.Schema(
+    {
+        cv.Required(CONF_ENTITY_ID): cv.entity_id,
+        cv.Optional(CONF_INTERNAL, default=True): cv.boolean,
+    }
+)
+
 
 def setup_home_assistant_entity(var, config):
     cg.add(var.set_entity_id(config[CONF_ENTITY_ID]))
diff --git a/esphome/components/lvgl/__init__.py b/esphome/components/lvgl/__init__.py
index 6bf6e287f8..7c51d9c70d 100644
--- a/esphome/components/lvgl/__init__.py
+++ b/esphome/components/lvgl/__init__.py
@@ -23,7 +23,7 @@ from esphome.helpers import write_file_if_changed
 from . import defines as df, helpers, lv_validation as lvalid
 from .automation import disp_update, update_to_code
 from .defines import CONF_SKIP
-from .encoders import ENCODERS_CONFIG, encoders_to_code
+from .encoders import ENCODERS_CONFIG, encoders_to_code, initial_focus_to_code
 from .lv_validation import lv_bool, lv_images_used
 from .lvcode import LvContext, LvglComponent
 from .schemas import (
@@ -272,6 +272,7 @@ async def to_code(config):
             templ = await cg.templatable(conf[CONF_TIMEOUT], [], cg.uint32)
             idle_trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], lv_component, templ)
             await build_automation(idle_trigger, [], conf)
+        await initial_focus_to_code(config)
 
     for comp in helpers.lvgl_components_required:
         CORE.add_define(f"USE_LVGL_{comp.upper()}")
diff --git a/esphome/components/lvgl/defines.py b/esphome/components/lvgl/defines.py
index 1c6fd2678c..e48679996b 100644
--- a/esphome/components/lvgl/defines.py
+++ b/esphome/components/lvgl/defines.py
@@ -413,6 +413,7 @@ CONF_GRID_ROW_ALIGN = "grid_row_align"
 CONF_GRID_ROWS = "grid_rows"
 CONF_HEADER_MODE = "header_mode"
 CONF_HOME = "home"
+CONF_INITIAL_FOCUS = "initial_focus"
 CONF_KEY_CODE = "key_code"
 CONF_LAYOUT = "layout"
 CONF_LEFT_BUTTON = "left_button"
diff --git a/esphome/components/lvgl/encoders.py b/esphome/components/lvgl/encoders.py
index cfd0e42996..81bcda95b4 100644
--- a/esphome/components/lvgl/encoders.py
+++ b/esphome/components/lvgl/encoders.py
@@ -8,6 +8,7 @@ from .defines import (
     CONF_DEFAULT_GROUP,
     CONF_ENCODERS,
     CONF_ENTER_BUTTON,
+    CONF_INITIAL_FOCUS,
     CONF_LEFT_BUTTON,
     CONF_LONG_PRESS_REPEAT_TIME,
     CONF_LONG_PRESS_TIME,
@@ -67,3 +68,10 @@ async def encoders_to_code(var, config):
         else:
             group = default_group
         lv.indev_set_group(lv_expr.indev_drv_register(listener.get_drv()), group)
+
+
+async def initial_focus_to_code(config):
+    for enc_conf in config[CONF_ENCODERS]:
+        if default_focus := enc_conf.get(CONF_INITIAL_FOCUS):
+            obj = await cg.get_variable(default_focus)
+            lv.group_focus_obj(obj)
diff --git a/esphome/components/lvgl/schemas.py b/esphome/components/lvgl/schemas.py
index f172ba9f2b..e4b1c3f8fa 100644
--- a/esphome/components/lvgl/schemas.py
+++ b/esphome/components/lvgl/schemas.py
@@ -14,11 +14,19 @@ from esphome.const import (
 from esphome.core import TimePeriod
 from esphome.schema_extractors import SCHEMA_EXTRACT
 
-from . import defines as df, lv_validation as lvalid, types as ty
+from . import defines as df, lv_validation as lvalid
 from .helpers import add_lv_use, requires_component, validate_printf
 from .lv_validation import lv_color, lv_font, lv_image
 from .lvcode import LvglComponent
-from .types import WidgetType, lv_group_t
+from .types import (
+    LVEncoderListener,
+    LvType,
+    WidgetType,
+    lv_group_t,
+    lv_obj_t,
+    lv_pseudo_button_t,
+    lv_style_t,
+)
 
 # this will be populated later, in __init__.py to avoid circular imports.
 WIDGET_TYPES: dict = {}
@@ -46,7 +54,7 @@ TEXT_SCHEMA = cv.Schema(
 LIST_ACTION_SCHEMA = cv.ensure_list(
     cv.maybe_simple_value(
         {
-            cv.Required(CONF_ID): cv.use_id(ty.lv_pseudo_button_t),
+            cv.Required(CONF_ID): cv.use_id(lv_pseudo_button_t),
         },
         key=CONF_ID,
     )
@@ -59,9 +67,10 @@ PRESS_TIME = cv.All(
 ENCODER_SCHEMA = cv.Schema(
     {
         cv.GenerateID(): cv.All(
-            cv.declare_id(ty.LVEncoderListener), requires_component("binary_sensor")
+            cv.declare_id(LVEncoderListener), requires_component("binary_sensor")
         ),
         cv.Optional(CONF_GROUP): cv.declare_id(lv_group_t),
+        cv.Optional(df.CONF_INITIAL_FOCUS): cv.use_id(lv_obj_t),
         cv.Optional(df.CONF_LONG_PRESS_TIME, default="400ms"): PRESS_TIME,
         cv.Optional(df.CONF_LONG_PRESS_REPEAT_TIME, default="100ms"): PRESS_TIME,
     }
@@ -161,7 +170,7 @@ STYLE_REMAP = {
 # Complete object style schema
 STYLE_SCHEMA = cv.Schema({cv.Optional(k): v for k, v in STYLE_PROPS.items()}).extend(
     {
-        cv.Optional(df.CONF_STYLES): cv.ensure_list(cv.use_id(ty.lv_style_t)),
+        cv.Optional(df.CONF_STYLES): cv.ensure_list(cv.use_id(lv_style_t)),
         cv.Optional(df.CONF_SCROLLBAR_MODE): df.LvConstant(
             "LV_SCROLLBAR_MODE_", "OFF", "ON", "ACTIVE", "AUTO"
         ).one_of,
@@ -193,12 +202,12 @@ def part_schema(widget_type: WidgetType):
     )
 
 
-def automation_schema(typ: ty.LvType):
+def automation_schema(typ: LvType):
     if typ.has_on_value:
         events = df.LV_EVENT_TRIGGERS + (CONF_ON_VALUE,)
     else:
         events = df.LV_EVENT_TRIGGERS
-    if isinstance(typ, ty.LvType):
+    if isinstance(typ, LvType):
         template = Trigger.template(typ.get_arg_type())
     else:
         template = Trigger.template()
@@ -261,7 +270,7 @@ LAYOUT_SCHEMAS = {}
 ALIGN_TO_SCHEMA = {
     cv.Optional(df.CONF_ALIGN_TO): cv.Schema(
         {
-            cv.Required(CONF_ID): cv.use_id(ty.lv_obj_t),
+            cv.Required(CONF_ID): cv.use_id(lv_obj_t),
             cv.Required(df.CONF_ALIGN): df.ALIGN_ALIGNMENTS.one_of,
             cv.Optional(df.CONF_X, default=0): lvalid.pixels_or_percent,
             cv.Optional(df.CONF_Y, default=0): lvalid.pixels_or_percent,
diff --git a/esphome/components/network/__init__.py b/esphome/components/network/__init__.py
index 9ef75e0fb9..f5ddbc0da7 100644
--- a/esphome/components/network/__init__.py
+++ b/esphome/components/network/__init__.py
@@ -1,8 +1,6 @@
-from esphome.core import CORE
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components.esp32 import add_idf_sdkconfig_option
-
+import esphome.config_validation as cv
 from esphome.const import (
     CONF_ENABLE_IPV6,
     CONF_MIN_IPV6_ADDR_COUNT,
@@ -10,6 +8,7 @@ from esphome.const import (
     PLATFORM_ESP8266,
     PLATFORM_RP2040,
 )
+from esphome.core import CORE
 
 CODEOWNERS = ["@esphome/core"]
 AUTO_LOAD = ["mdns"]
@@ -42,11 +41,10 @@ async def to_code(config):
         if CORE.using_esp_idf:
             add_idf_sdkconfig_option("CONFIG_LWIP_IPV6", enable_ipv6)
             add_idf_sdkconfig_option("CONFIG_LWIP_IPV6_AUTOCONFIG", enable_ipv6)
-        else:
-            if enable_ipv6:
-                cg.add_build_flag("-DCONFIG_LWIP_IPV6")
-                cg.add_build_flag("-DCONFIG_LWIP_IPV6_AUTOCONFIG")
-                if CORE.is_rp2040:
-                    cg.add_build_flag("-DPIO_FRAMEWORK_ARDUINO_ENABLE_IPV6")
-                if CORE.is_esp8266:
-                    cg.add_build_flag("-DPIO_FRAMEWORK_ARDUINO_LWIP2_IPV6_LOW_MEMORY")
+        elif enable_ipv6:
+            cg.add_build_flag("-DCONFIG_LWIP_IPV6")
+            cg.add_build_flag("-DCONFIG_LWIP_IPV6_AUTOCONFIG")
+            if CORE.is_rp2040:
+                cg.add_build_flag("-DPIO_FRAMEWORK_ARDUINO_ENABLE_IPV6")
+            if CORE.is_esp8266:
+                cg.add_build_flag("-DPIO_FRAMEWORK_ARDUINO_LWIP2_IPV6_LOW_MEMORY")
diff --git a/esphome/components/online_image/__init__.py b/esphome/components/online_image/__init__.py
index ee5357457a..d9a7609543 100644
--- a/esphome/components/online_image/__init__.py
+++ b/esphome/components/online_image/__init__.py
@@ -27,6 +27,7 @@ CODEOWNERS = ["@guillempages"]
 MULTI_CONF = True
 
 CONF_ON_DOWNLOAD_FINISHED = "on_download_finished"
+CONF_PLACEHOLDER = "placeholder"
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -73,6 +74,7 @@ ONLINE_IMAGE_SCHEMA = cv.Schema(
         #
         cv.Required(CONF_URL): cv.url,
         cv.Required(CONF_FORMAT): cv.enum(IMAGE_FORMAT, upper=True),
+        cv.Optional(CONF_PLACEHOLDER): cv.use_id(Image_),
         cv.Optional(CONF_BUFFER_SIZE, default=2048): cv.int_range(256, 65536),
         cv.Optional(CONF_ON_DOWNLOAD_FINISHED): automation.validate_automation(
             {
@@ -152,6 +154,10 @@ async def to_code(config):
 
     cg.add(var.set_transparency(transparent))
 
+    if placeholder_id := config.get(CONF_PLACEHOLDER):
+        placeholder = await cg.get_variable(placeholder_id)
+        cg.add(var.set_placeholder(placeholder))
+
     for conf in config.get(CONF_ON_DOWNLOAD_FINISHED, []):
         trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)
         await automation.build_automation(trigger, [], conf)
diff --git a/esphome/components/online_image/online_image.cpp b/esphome/components/online_image/online_image.cpp
index a4cf0158aa..480bad6aca 100644
--- a/esphome/components/online_image/online_image.cpp
+++ b/esphome/components/online_image/online_image.cpp
@@ -35,6 +35,14 @@ OnlineImage::OnlineImage(const std::string &url, int width, int height, ImageFor
   this->set_url(url);
 }
 
+void OnlineImage::draw(int x, int y, display::Display *display, Color color_on, Color color_off) {
+  if (this->data_start_) {
+    Image::draw(x, y, display, color_on, color_off);
+  } else if (this->placeholder_) {
+    this->placeholder_->draw(x, y, display, color_on, color_off);
+  }
+}
+
 void OnlineImage::release() {
   if (this->buffer_) {
     ESP_LOGD(TAG, "Deallocating old buffer...");
diff --git a/esphome/components/online_image/online_image.h b/esphome/components/online_image/online_image.h
index 30e97760ea..775cc46e0b 100644
--- a/esphome/components/online_image/online_image.h
+++ b/esphome/components/online_image/online_image.h
@@ -50,6 +50,8 @@ class OnlineImage : public PollingComponent,
   OnlineImage(const std::string &url, int width, int height, ImageFormat format, image::ImageType type,
               uint32_t buffer_size);
 
+  void draw(int x, int y, display::Display *display, Color color_on, Color color_off) override;
+
   void update() override;
   void loop() override;
 
@@ -60,6 +62,14 @@ class OnlineImage : public PollingComponent,
     }
   }
 
+  /**
+   * @brief Set the image that needs to be shown as long as the downloaded image
+   *  is not available.
+   *
+   * @param placeholder Pointer to the (@link Image) to show as placeholder.
+   */
+  void set_placeholder(image::Image *placeholder) { this->placeholder_ = placeholder; }
+
   /**
    * Release the buffer storing the image. The image will need to be downloaded again
    * to be able to be displayed.
@@ -113,6 +123,7 @@ class OnlineImage : public PollingComponent,
   DownloadBuffer download_buffer_;
 
   const ImageFormat format_;
+  image::Image *placeholder_{nullptr};
 
   std::string url_{""};
 
diff --git a/esphome/components/web_server/web_server.h b/esphome/components/web_server/web_server.h
index 5b98806af1..d4ab592b7b 100644
--- a/esphome/components/web_server/web_server.h
+++ b/esphome/components/web_server/web_server.h
@@ -334,7 +334,7 @@ class WebServer : public Controller, public Component, public AsyncWebHandler {
   /// Override the web handler's handleRequest method.
   void handleRequest(AsyncWebServerRequest *request) override;
   /// This web handle is not trivial.
-  bool isRequestHandlerTrivial() override;
+  bool isRequestHandlerTrivial() override;  // NOLINT(readability-identifier-naming)
 
   void add_entity_to_sorting_list(EntityBase *entity, float weight);
 
diff --git a/esphome/components/web_server_base/web_server_base.h b/esphome/components/web_server_base/web_server_base.h
index c312126472..2282d55ec1 100644
--- a/esphome/components/web_server_base/web_server_base.h
+++ b/esphome/components/web_server_base/web_server_base.h
@@ -134,6 +134,7 @@ class OTARequestHandler : public AsyncWebHandler {
     return request->url() == "/update" && request->method() == HTTP_POST;
   }
 
+  // NOLINTNEXTLINE(readability-identifier-naming)
   bool isRequestHandlerTrivial() override { return false; }
 
  protected:
diff --git a/esphome/components/xiaomi_ble/xiaomi_ble.cpp b/esphome/components/xiaomi_ble/xiaomi_ble.cpp
index 95faea0446..85434341cc 100644
--- a/esphome/components/xiaomi_ble/xiaomi_ble.cpp
+++ b/esphome/components/xiaomi_ble/xiaomi_ble.cpp
@@ -49,8 +49,8 @@ bool parse_xiaomi_value(uint16_t value_type, const uint8_t *data, uint8_t value_
     const uint16_t conductivity = encode_uint16(data[1], data[0]);
     result.conductivity = conductivity;
   }
-  // battery, 1 byte, 8-bit unsigned integer, 1 %
-  else if ((value_type == 0x100A) && (value_length == 1)) {
+  // battery / MiaoMiaoce battery, 1 byte, 8-bit unsigned integer, 1 %
+  else if ((value_type == 0x100A || value_type == 0x4803) && (value_length == 1)) {
     result.battery_level = data[0];
   }
   // temperature + humidity, 4 bytes, 16-bit signed integer (LE) each, 0.1 °C, 0.1 %
@@ -80,6 +80,17 @@ bool parse_xiaomi_value(uint16_t value_type, const uint8_t *data, uint8_t value_
     result.has_motion = !idle_time;
   } else if ((value_type == 0x1018) && (value_length == 1)) {
     result.is_light = data[0];
+  }
+  // MiaoMiaoce temperature, 4 bytes, float, 0.1 °C
+  else if ((value_type == 0x4C01) && (value_length == 4)) {
+    const uint32_t int_number = encode_uint32(data[3], data[2], data[1], data[0]);
+    float temperature;
+    std::memcpy(&temperature, &int_number, sizeof(temperature));
+    result.temperature = temperature;
+  }
+  // MiaoMiaoce humidity, 1 byte, 8-bit unsigned integer, 1 %
+  else if ((value_type == 0x4C02) && (value_length == 1)) {
+    result.humidity = data[0];
   } else {
     return false;
   }
@@ -111,7 +122,8 @@ bool parse_xiaomi_message(const std::vector<uint8_t> &message, XiaomiParseResult
   }
 
   while (payload_length > 3) {
-    if (payload[payload_offset + 1] != 0x10 && payload[payload_offset + 1] != 0x00) {
+    if (payload[payload_offset + 1] != 0x10 && payload[payload_offset + 1] != 0x00 &&
+        payload[payload_offset + 1] != 0x4C && payload[payload_offset + 1] != 0x48) {
       ESP_LOGVV(TAG, "parse_xiaomi_message(): fixed byte not found, stop parsing residual data.");
       break;
     }
@@ -190,6 +202,11 @@ optional<XiaomiParseResult> parse_xiaomi_header(const esp32_ble_tracker::Service
   } else if (device_uuid == 0x045b) {  // rectangular body, e-ink display
     result.type = XiaomiParseResult::TYPE_LYWSD02;
     result.name = "LYWSD02";
+  } else if (device_uuid == 0x2542) {  // rectangular body, e-ink display — with bindkeys
+    result.type = XiaomiParseResult::TYPE_LYWSD02MMC;
+    result.name = "LYWSD02MMC";
+    if (raw.size() == 19)
+      result.raw_offset -= 6;
   } else if (device_uuid == 0x040a) {  // Mosquito Repellent Smart Version
     result.type = XiaomiParseResult::TYPE_WX08ZM;
     result.name = "WX08ZM";
diff --git a/esphome/components/xiaomi_ble/xiaomi_ble.h b/esphome/components/xiaomi_ble/xiaomi_ble.h
index c1086605d1..6978be97f4 100644
--- a/esphome/components/xiaomi_ble/xiaomi_ble.h
+++ b/esphome/components/xiaomi_ble/xiaomi_ble.h
@@ -17,6 +17,7 @@ struct XiaomiParseResult {
     TYPE_HHCCPOT002,
     TYPE_LYWSDCGQ,
     TYPE_LYWSD02,
+    TYPE_LYWSD02MMC,
     TYPE_CGG1,
     TYPE_LYWSD03MMC,
     TYPE_CGD1,
diff --git a/esphome/components/xiaomi_lywsd02mmc/__init__.py b/esphome/components/xiaomi_lywsd02mmc/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/esphome/components/xiaomi_lywsd02mmc/sensor.py b/esphome/components/xiaomi_lywsd02mmc/sensor.py
new file mode 100644
index 0000000000..43784ef698
--- /dev/null
+++ b/esphome/components/xiaomi_lywsd02mmc/sensor.py
@@ -0,0 +1,77 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import sensor, esp32_ble_tracker
+from esphome.const import (
+    CONF_BATTERY_LEVEL,
+    CONF_HUMIDITY,
+    CONF_MAC_ADDRESS,
+    CONF_TEMPERATURE,
+    DEVICE_CLASS_TEMPERATURE,
+    ENTITY_CATEGORY_DIAGNOSTIC,
+    STATE_CLASS_MEASUREMENT,
+    UNIT_CELSIUS,
+    UNIT_PERCENT,
+    DEVICE_CLASS_HUMIDITY,
+    DEVICE_CLASS_BATTERY,
+    CONF_ID,
+    CONF_BINDKEY,
+)
+
+AUTO_LOAD = ["xiaomi_ble"]
+CODEOWNERS = ["@juanluss31"]
+DEPENDENCIES = ["esp32_ble_tracker"]
+
+xiaomi_lywsd02mmc_ns = cg.esphome_ns.namespace("xiaomi_lywsd02mmc")
+XiaomiLYWSD02MMC = xiaomi_lywsd02mmc_ns.class_(
+    "XiaomiLYWSD02MMC", esp32_ble_tracker.ESPBTDeviceListener, cg.Component
+)
+
+CONFIG_SCHEMA = (
+    cv.Schema(
+        {
+            cv.GenerateID(): cv.declare_id(XiaomiLYWSD02MMC),
+            cv.Required(CONF_MAC_ADDRESS): cv.mac_address,
+            cv.Required(CONF_BINDKEY): cv.bind_key,
+            cv.Optional(CONF_TEMPERATURE): sensor.sensor_schema(
+                unit_of_measurement=UNIT_CELSIUS,
+                accuracy_decimals=1,
+                device_class=DEVICE_CLASS_TEMPERATURE,
+                state_class=STATE_CLASS_MEASUREMENT,
+            ),
+            cv.Optional(CONF_HUMIDITY): sensor.sensor_schema(
+                unit_of_measurement=UNIT_PERCENT,
+                accuracy_decimals=0,
+                device_class=DEVICE_CLASS_HUMIDITY,
+                state_class=STATE_CLASS_MEASUREMENT,
+            ),
+            cv.Optional(CONF_BATTERY_LEVEL): sensor.sensor_schema(
+                unit_of_measurement=UNIT_PERCENT,
+                accuracy_decimals=0,
+                device_class=DEVICE_CLASS_BATTERY,
+                state_class=STATE_CLASS_MEASUREMENT,
+                entity_category=ENTITY_CATEGORY_DIAGNOSTIC,
+            ),
+        }
+    )
+    .extend(esp32_ble_tracker.ESP_BLE_DEVICE_SCHEMA)
+    .extend(cv.COMPONENT_SCHEMA)
+)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    await cg.register_component(var, config)
+    await esp32_ble_tracker.register_ble_device(var, config)
+
+    cg.add(var.set_address(config[CONF_MAC_ADDRESS].as_hex))
+    cg.add(var.set_bindkey(config[CONF_BINDKEY]))
+
+    if temperature_config := config.get(CONF_TEMPERATURE):
+        sens = await sensor.new_sensor(temperature_config)
+        cg.add(var.set_temperature(sens))
+    if humidity_config := config.get(CONF_HUMIDITY):
+        sens = await sensor.new_sensor(humidity_config)
+        cg.add(var.set_humidity(sens))
+    if battery_level_config := config.get(CONF_BATTERY_LEVEL):
+        sens = await sensor.new_sensor(battery_level_config)
+        cg.add(var.set_battery_level(sens))
diff --git a/esphome/components/xiaomi_lywsd02mmc/xiaomi_lywsd02mmc.cpp b/esphome/components/xiaomi_lywsd02mmc/xiaomi_lywsd02mmc.cpp
new file mode 100644
index 0000000000..cc122f2264
--- /dev/null
+++ b/esphome/components/xiaomi_lywsd02mmc/xiaomi_lywsd02mmc.cpp
@@ -0,0 +1,73 @@
+#include "xiaomi_lywsd02mmc.h"
+#include "esphome/core/log.h"
+
+#ifdef USE_ESP32
+
+namespace esphome {
+namespace xiaomi_lywsd02mmc {
+
+static const char *const TAG = "xiaomi_lywsd02mmc";
+
+void XiaomiLYWSD02MMC::dump_config() {
+  ESP_LOGCONFIG(TAG, "Xiaomi LYWSD02MMC");
+  ESP_LOGCONFIG(TAG, "  Bindkey: %s", format_hex_pretty(this->bindkey_, 16).c_str());
+  LOG_SENSOR("  ", "Temperature", this->temperature_);
+  LOG_SENSOR("  ", "Humidity", this->humidity_);
+  LOG_SENSOR("  ", "Battery Level", this->battery_level_);
+}
+
+bool XiaomiLYWSD02MMC::parse_device(const esp32_ble_tracker::ESPBTDevice &device) {
+  if (device.address_uint64() != this->address_) {
+    ESP_LOGVV(TAG, "parse_device(): unknown MAC address.");
+    return false;
+  }
+  ESP_LOGVV(TAG, "parse_device(): MAC address %s found.", device.address_str().c_str());
+
+  bool success = false;
+  for (auto &service_data : device.get_service_datas()) {
+    auto res = xiaomi_ble::parse_xiaomi_header(service_data);
+    if (!res.has_value()) {
+      continue;
+    }
+    if (res->is_duplicate) {
+      continue;
+    }
+    if (res->has_encryption &&
+        (!(xiaomi_ble::decrypt_xiaomi_payload(const_cast<std::vector<uint8_t> &>(service_data.data), this->bindkey_,
+                                              this->address_)))) {
+      continue;
+    }
+    if (!(xiaomi_ble::parse_xiaomi_message(service_data.data, *res))) {
+      continue;
+    }
+    if (!(xiaomi_ble::report_xiaomi_results(res, device.address_str()))) {
+      continue;
+    }
+    if (res->temperature.has_value() && this->temperature_ != nullptr)
+      this->temperature_->publish_state(*res->temperature);
+    if (res->humidity.has_value() && this->humidity_ != nullptr)
+      this->humidity_->publish_state(*res->humidity);
+    if (res->battery_level.has_value() && this->battery_level_ != nullptr)
+      this->battery_level_->publish_state(*res->battery_level);
+    success = true;
+  }
+
+  return success;
+}
+
+void XiaomiLYWSD02MMC::set_bindkey(const std::string &bindkey) {
+  memset(this->bindkey_, 0, 16);
+  if (bindkey.size() != 32) {
+    return;
+  }
+  char temp[3] = {0};
+  for (int i = 0; i < 16; i++) {
+    strncpy(temp, &(bindkey.c_str()[i * 2]), 2);
+    this->bindkey_[i] = std::strtoul(temp, nullptr, 16);
+  }
+}
+
+}  // namespace xiaomi_lywsd02mmc
+}  // namespace esphome
+
+#endif
diff --git a/esphome/components/xiaomi_lywsd02mmc/xiaomi_lywsd02mmc.h b/esphome/components/xiaomi_lywsd02mmc/xiaomi_lywsd02mmc.h
new file mode 100644
index 0000000000..19092aa2a9
--- /dev/null
+++ b/esphome/components/xiaomi_lywsd02mmc/xiaomi_lywsd02mmc.h
@@ -0,0 +1,37 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/sensor/sensor.h"
+#include "esphome/components/esp32_ble_tracker/esp32_ble_tracker.h"
+#include "esphome/components/xiaomi_ble/xiaomi_ble.h"
+
+#ifdef USE_ESP32
+
+namespace esphome {
+namespace xiaomi_lywsd02mmc {
+
+class XiaomiLYWSD02MMC : public Component, public esp32_ble_tracker::ESPBTDeviceListener {
+ public:
+  void set_address(uint64_t address) { this->address_ = address; }
+  void set_bindkey(const std::string &bindkey);
+
+  bool parse_device(const esp32_ble_tracker::ESPBTDevice &device) override;
+
+  void dump_config() override;
+  float get_setup_priority() const override { return setup_priority::DATA; }
+  void set_temperature(sensor::Sensor *temperature) { this->temperature_ = temperature; }
+  void set_humidity(sensor::Sensor *humidity) { this->humidity_ = humidity; }
+  void set_battery_level(sensor::Sensor *battery_level) { this->battery_level_ = battery_level; }
+
+ protected:
+  uint64_t address_;
+  uint8_t bindkey_[16];
+  sensor::Sensor *temperature_{nullptr};
+  sensor::Sensor *humidity_{nullptr};
+  sensor::Sensor *battery_level_{nullptr};
+};
+
+}  // namespace xiaomi_lywsd02mmc
+}  // namespace esphome
+
+#endif
diff --git a/esphome/const.py b/esphome/const.py
index 9c4a30444b..511d8c3308 100644
--- a/esphome/const.py
+++ b/esphome/const.py
@@ -1036,8 +1036,10 @@ UNIT_KELVIN = "K"
 UNIT_KILOGRAM = "kg"
 UNIT_KILOMETER = "km"
 UNIT_KILOMETER_PER_HOUR = "km/h"
-UNIT_KILOVOLT_AMPS_REACTIVE = "kVAr"
-UNIT_KILOVOLT_AMPS_REACTIVE_HOURS = "kVArh"
+UNIT_KILOVOLT_AMPS = "kVA"
+UNIT_KILOVOLT_AMPS_HOURS = "kVAh"
+UNIT_KILOVOLT_AMPS_REACTIVE = "kVAR"
+UNIT_KILOVOLT_AMPS_REACTIVE_HOURS = "kVARh"
 UNIT_KILOWATT = "kW"
 UNIT_KILOWATT_HOURS = "kWh"
 UNIT_LUX = "lx"
@@ -1068,6 +1070,7 @@ UNIT_SECOND = "s"
 UNIT_STEPS = "steps"
 UNIT_VOLT = "V"
 UNIT_VOLT_AMPS = "VA"
+UNIT_VOLT_AMPS_HOURS = "VAh"
 UNIT_VOLT_AMPS_REACTIVE = "VAR"
 UNIT_VOLT_AMPS_REACTIVE_HOURS = "VARh"
 UNIT_WATT = "W"
diff --git a/script/setup.bat b/script/setup.bat
new file mode 100644
index 0000000000..0b49768139
--- /dev/null
+++ b/script/setup.bat
@@ -0,0 +1,28 @@
+@echo off
+
+if defined DEVCONTAINER goto :install
+if defined VIRTUAL_ENV goto :install
+if defined ESPHOME_NO_VENV goto :install
+
+echo Starting the Virtual Environment
+python -m venv venv
+call venv/Scripts/activate
+echo Running the Virtual Environment
+
+:install
+
+echo Installing required packages...
+
+python.exe -m pip install --upgrade pip
+
+pip3 install -r requirements.txt -r requirements_optional.txt -r requirements_test.txt -r requirements_dev.txt
+pip3 install setuptools wheel
+pip3 install -e ".[dev,test,displays]" --config-settings editable_mode=compat
+
+pre-commit install
+
+python script/platformio_install_deps.py platformio.ini --libraries --tools --platforms
+
+echo .
+echo .
+echo Virtual environment created. Run 'venv/Scripts/activate' to use it.
diff --git a/tests/components/lvgl/test.esp32-ard.yaml b/tests/components/lvgl/test.esp32-ard.yaml
index 2d6a6871ba..51593e7967 100644
--- a/tests/components/lvgl/test.esp32-ard.yaml
+++ b/tests/components/lvgl/test.esp32-ard.yaml
@@ -46,6 +46,7 @@ binary_sensor:
 lvgl:
   encoders:
     group: switches
+    initial_focus: button_button
     enter_button: select_button
     sensor:
       left_button: up_button
diff --git a/tests/components/web_server/common_v1.yaml b/tests/components/web_server/common_v1.yaml
index bf5aab4ce6..3c51f894b8 100644
--- a/tests/components/web_server/common_v1.yaml
+++ b/tests/components/web_server/common_v1.yaml
@@ -1,4 +1,5 @@
-<<: !include common.yaml
+packages:
+  device_base: !include common.yaml
 
 web_server:
   port: 8080
diff --git a/tests/components/web_server/common_v2.yaml b/tests/components/web_server/common_v2.yaml
index 564c43e553..2af5ceca44 100644
--- a/tests/components/web_server/common_v2.yaml
+++ b/tests/components/web_server/common_v2.yaml
@@ -1,4 +1,5 @@
-<<: !include common.yaml
+packages:
+  device_base: !include common.yaml
 
 web_server:
   port: 8080
diff --git a/tests/components/xiaomi_lywsd02mmc/common.yaml b/tests/components/xiaomi_lywsd02mmc/common.yaml
new file mode 100644
index 0000000000..e63f585830
--- /dev/null
+++ b/tests/components/xiaomi_lywsd02mmc/common.yaml
@@ -0,0 +1,12 @@
+esp32_ble_tracker:
+
+sensor:
+  - platform: xiaomi_lywsd02mmc
+    mac_address: A4:C1:38:54:5E:18
+    bindkey: 2529d8e0d23150a588675cc54ad48400
+    temperature:
+      name: Xiaomi LYWSD02MMC Temperature
+    humidity:
+      name: Xiaomi LYWSD02MMC Humidity
+    battery_level:
+      name: Xiaomi LYWSD02MMC Battery Level
diff --git a/tests/components/xiaomi_lywsd02mmc/test.esp32-ard.yaml b/tests/components/xiaomi_lywsd02mmc/test.esp32-ard.yaml
new file mode 100644
index 0000000000..dade44d145
--- /dev/null
+++ b/tests/components/xiaomi_lywsd02mmc/test.esp32-ard.yaml
@@ -0,0 +1 @@
+<<: !include common.yaml
diff --git a/tests/components/xiaomi_lywsd02mmc/test.esp32-c3-ard.yaml b/tests/components/xiaomi_lywsd02mmc/test.esp32-c3-ard.yaml
new file mode 100644
index 0000000000..dade44d145
--- /dev/null
+++ b/tests/components/xiaomi_lywsd02mmc/test.esp32-c3-ard.yaml
@@ -0,0 +1 @@
+<<: !include common.yaml
diff --git a/tests/components/xiaomi_lywsd02mmc/test.esp32-c3-idf.yaml b/tests/components/xiaomi_lywsd02mmc/test.esp32-c3-idf.yaml
new file mode 100644
index 0000000000..dade44d145
--- /dev/null
+++ b/tests/components/xiaomi_lywsd02mmc/test.esp32-c3-idf.yaml
@@ -0,0 +1 @@
+<<: !include common.yaml
diff --git a/tests/components/xiaomi_lywsd02mmc/test.esp32-idf.yaml b/tests/components/xiaomi_lywsd02mmc/test.esp32-idf.yaml
new file mode 100644
index 0000000000..dade44d145
--- /dev/null
+++ b/tests/components/xiaomi_lywsd02mmc/test.esp32-idf.yaml
@@ -0,0 +1 @@
+<<: !include common.yaml