diff --git a/api/@internal/component/ets/linearindicator.d.ts b/api/@internal/component/ets/linearindicator.d.ts
deleted file mode 100644
index 3b548b466ad7aebae21832188fbfcc8f5b5b2360..0000000000000000000000000000000000000000
--- a/api/@internal/component/ets/linearindicator.d.ts
+++ /dev/null
@@ -1,325 +0,0 @@
-/*
- * Copyright (c) 2024 Huawei Device Co., Ltd.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/**
- * @file
- * @kit ArkUI
- */
-
-/*** if arkts 1.2 */
-import { CommonMethod, Optional } from './common';
-import { ColorMetrics, LengthMetrics } from './units';
-/*** endif */
-
-/**
- * Defines the LinearIndicator Controller.
- *
- * @interface LinearIndicatorController
- * @syscap SystemCapability.ArkUI.ArkUI.Full
- * @crossplatform
- * @atomicservice
- * @since arkts {'1.1':'18','1.2':'20'}
- * @arkts 1.1&1.2
- */
-declare class LinearIndicatorController {
-  /**
-   * constructor.
-   *
-   * @syscap SystemCapability.ArkUI.ArkUI.Full
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'18','1.2':'20'}
-   * @arkts 1.1&1.2
-   */
-  constructor();
-
-  /**
-   * Sets the progress of indicator.
-   *
-   * @param { number } index - the index of current indicator,  value range: [0, count - 1].
-   * If index value is out of range, do nothing.
-   * @param { number } progress - current indicator progress value, value range: [0, 100].
-   * If the progress value is out of range, do nothing.
-   * @syscap SystemCapability.ArkUI.ArkUI.Full
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'18','1.2':'20'}
-   * @arkts 1.1&1.2
-   */
-  setProgress(index: number, progress: number): void;
-
-  /**
-   * Start indicator auto play.
-   *
-   * @param { LinearIndicatorStartOptions } [options] - the options of indicator auto play.
-   * @syscap SystemCapability.ArkUI.ArkUI.Full
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'18','1.2':'20'}
-   * @arkts 1.1&1.2
-   */
-  start(options?: LinearIndicatorStartOptions): void;
-
-  /**
-   * Pause indicator auto play. 
-   * Start auto play will be resumed from this paused position.
-   *
-   * @syscap SystemCapability.ArkUI.ArkUI.Full
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'18','1.2':'20'}
-   * @arkts 1.1&1.2
-   */
-  pause(): void;
-
-  /**
-   * Stop indicator auto play.
-   * Start auto play will restart from the very beginning.
-   *
-   * @syscap SystemCapability.ArkUI.ArkUI.Full
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'18','1.2':'20'}
-   * @arkts 1.1&1.2
-   */
-  stop(): void;
-}
-
-/**
- * Provides options of indicator auto play.
- *
- * @interface LinearIndicatorAutoPlayOptions
- * @syscap SystemCapability.ArkUI.ArkUI.Full
- * @crossplatform
- * @atomicservice
- * @since arkts {'1.1':'18','1.2':'20'}
- * @arkts 1.1&1.2
- */
-declare interface LinearIndicatorStartOptions {
-  /**
-   * The interval between twice auto play. The unit is ms.
-   *
-   * @type { ?number }
-   * @default The default value is 0. if value is less than 0, the value will be 0.
-   * @syscap SystemCapability.ArkUI.ArkUI.Full
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'18','1.2':'20'}
-   * @arkts 1.1&1.2
-   */
-  interval?: number;
-
-  /**
-   * The animation curve duration. The unit is ms.
-   *
-   * @type { ?number }
-   * @default 4000
-   * @syscap SystemCapability.ArkUI.ArkUI.Full
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'18','1.2':'20'}
-   * @arkts 1.1&1.2
-   */
-  duration?: number;
-}
-
-/**
- * Provides linear indicator style.
- *
- * @interface LinearIndicatorStyle
- * @syscap SystemCapability.ArkUI.ArkUI.Full
- * @crossplatform
- * @atomicservice
- * @since arkts {'1.1':'18','1.2':'20'}
- * @arkts 1.1&1.2
- */
-declare interface LinearIndicatorStyle {
-  /**
-   * The space of two linear indicator.
-   *
-   * @type { ?LengthMetrics }
-   * @default The default value is 4.0vp. if value is less than 0, the value will be 4.0vp.
-   * @syscap SystemCapability.ArkUI.ArkUI.Full
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'18','1.2':'20'}
-   * @arkts 1.1&1.2
-   */
-  space?: LengthMetrics;
-
-  /**
-   * Stroke width of the progress indicator.
-   *
-   * @type { ?LengthMetrics }
-   * @default The default value is 2.0vp. if value is less than 0, the value will be 2.0vp.
-   * @syscap SystemCapability.ArkUI.ArkUI.Full
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'18','1.2':'20'}
-   * @arkts 1.1&1.2
-   */
-  strokeWidth?: LengthMetrics;
-
-  /**
-   * The stroke radius of linear indicator.
-   *
-   * @type { ?LengthMetrics }
-   * @default The default value is 1.0vp. if value is more than strokeWidth/2, the value will be strokeWidth/2.
-   * @syscap SystemCapability.ArkUI.ArkUI.Full
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'18','1.2':'20'}
-   * @arkts 1.1&1.2
-   */
-  strokeRadius?: LengthMetrics;
-
-  /**
-   * The track background color of linear indicator.
-   *
-   * @type { ?ColorMetrics }
-   * @default comp_background_tertiary
-   * @syscap SystemCapability.ArkUI.ArkUI.Full
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'18','1.2':'20'}
-   * @arkts 1.1&1.2
-   */
-  trackBackgroundColor?: ColorMetrics;
-
-  /**
-   * The track color of linear indicator.
-   *
-   * @type { ?ColorMetrics }
-   * @default comp_background_emphasize
-   * @syscap SystemCapability.ArkUI.ArkUI.Full
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'18','1.2':'20'}
-   * @arkts 1.1&1.2
-   */
-  trackColor?: ColorMetrics;
-}
-
-/**
- * Provides an interface for indicator.
- *
- * @interface LinearIndicatorInterface
- * @syscap SystemCapability.ArkUI.ArkUI.Full
- * @crossplatform
- * @atomicservice
- * @since arkts {'1.1':'18','1.2':'20'}
- * @arkts 1.1&1.2
- */
-interface LinearIndicatorInterface {
-  /**
-   * Constructor parameters
-   *
-   * @param { number } count - the number of progress in LinearIndicator. minimum value is 2(default is 5).
-   * if count is less than 2, the value will be 2.
-   * @param { LinearIndicatorController } controller - Controller of LinearIndicator.
-   * @returns { LinearIndicatorAttribute } return the instance of the LinearIndicatorAttribute
-   * @syscap SystemCapability.ArkUI.ArkUI.Full
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'18','1.2':'20'}
-   * @arkts 1.1&1.2
-   */
-   (count?: number, controller?: LinearIndicatorController): LinearIndicatorAttribute;
-}
-
-/**
- * Defines the Indicator attribute functions.
- *
- * @extends CommonMethod<LinearIndicatorAttribute>
- * @syscap SystemCapability.ArkUI.ArkUI.Full
- * @crossplatform
- * @atomicservice
- * @since arkts {'1.1':'18','1.2':'20'}
- * @arkts 1.1&1.2
- */
-declare class LinearIndicatorAttribute extends CommonMethod<LinearIndicatorAttribute> {
-  /**
-   * Sets the indicator style.
-   *
-   * @param { Optional<LinearIndicatorStyle> } style - the style of LinearIndicator
-   * @returns { LinearIndicatorAttribute } return the instance of the LinearIndicatorAttribute
-   * @syscap SystemCapability.ArkUI.ArkUI.Full
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'18','1.2':'20'}
-   * @arkts 1.1&1.2
-   */
-  indicatorStyle(style: Optional<LinearIndicatorStyle>): LinearIndicatorAttribute;
-
-  /**
-   * Sets whether indicator supports loop, default is true.
-   *
-   * @param { Optional<boolean> } loop - indicate whether loop playback is supported
-   * @returns { LinearIndicatorAttribute } return the instance of the LinearIndicatorAttribute
-   * @syscap SystemCapability.ArkUI.ArkUI.Full
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'18','1.2':'20'}
-   * @arkts 1.1&1.2
-   */
-  indicatorLoop(loop: Optional<boolean>): LinearIndicatorAttribute;
-
-  /**
-   * Called when progress value update.
-   *
-   * @param { Optional<OnLinearIndicatorChangeCallback> } callback - callback of the progress change event.
-   * @returns { LinearIndicatorAttribute } return the instance of the LinearIndicatorAttribute
-   * @syscap SystemCapability.ArkUI.ArkUI.Full
-   * @crossplatform
-   * @atomicservice
-   * @since arkts {'1.1':'18','1.2':'20'}
-   * @arkts 1.1&1.2
-   */
-  onChange(callback: Optional<OnLinearIndicatorChangeCallback>): LinearIndicatorAttribute;
-}
-
-/**
- * Defines the callback type used in  the indicator progress change event.
- *
- * @typedef { function } OnLinearIndicatorChangeCallback
- * @param { number } index - index of current indicator.
- * @param { number } progress - current indicator progress value.
- * @syscap SystemCapability.ArkUI.ArkUI.Full
- * @crossplatform
- * @atomicservice
- * @since arkts {'1.1':'18','1.2':'20'}
- * @arkts 1.1&1.2
- */
-declare type OnLinearIndicatorChangeCallback = (index: number, progress: number) => void;
-
-/**
- * Defines Indicator Component.
- *
- * @syscap SystemCapability.ArkUI.ArkUI.Full
- * @crossplatform
- * @atomicservice
- * @since 18
- */
-declare const LinearIndicator: LinearIndicatorInterface;
-
-/**
- * Defines Indicator Component instance.
- *
- * @syscap SystemCapability.ArkUI.ArkUI.Full
- * @crossplatform
- * @atomicservice
- * @since 18
- */
-declare const LinearIndicatorInstance: LinearIndicatorAttribute
diff --git a/api/@ohos.arkui.component.d.ets b/api/@ohos.arkui.component.d.ets
index 632968f2f541b7543721a80fd58e4aa3a81a8433..a10e0f398be550d92b443f64b9e189939e5cecf8 100644
--- a/api/@ohos.arkui.component.d.ets
+++ b/api/@ohos.arkui.component.d.ets
@@ -79,7 +79,6 @@ export * from './arkui/component/indicatorcomponent';
 export * from './arkui/component/inspector';
 export * from './arkui/component/lazyForEach';
 export * from './arkui/component/line';
-export * from './arkui/component/linearindicator';
 export * from './arkui/component/list';
 export * from './arkui/component/listItem';
 export * from './arkui/component/listItemGroup';
diff --git a/api/@ohos.bluetooth.connection.d.ts b/api/@ohos.bluetooth.connection.d.ts
index 7d1416b3b6e59468cebb8d16b44ccb3b256fd2fc..4cd7019ad771958997ac46795bb2e7da73170ba3 100644
--- a/api/@ohos.bluetooth.connection.d.ts
+++ b/api/@ohos.bluetooth.connection.d.ts
@@ -552,7 +552,6 @@ declare namespace connection {
    * @throws { BusinessError } 2900099 - Get transport failed.
    * @syscap SystemCapability.Communication.Bluetooth.Core
    * @since 20
-   * @arkts 1.1&1.2
    */
   function getRemoteDeviceTransport(deviceId: string): BluetoothTransport;
 
@@ -1812,7 +1811,6 @@ declare namespace connection {
      *
      * @syscap SystemCapability.Communication.Bluetooth.Core
      * @since 20
-     * @arkts 1.1&1.2
      */
     TRANSPORT_DUAL = 2,
     /**
@@ -1820,7 +1818,6 @@ declare namespace connection {
      *
      * @syscap SystemCapability.Communication.Bluetooth.Core
      * @since 20
-     * @arkts 1.1&1.2
      */
     TRANSPORT_UNKNOWN = 3
   }
diff --git a/api/@ohos.bluetooth.socket.d.ts b/api/@ohos.bluetooth.socket.d.ts
index c44b7866c50850a33e3ba15ee5640f0d51e31c26..6c8a7e1a40ea1024a43acb2d7cff807c37f384b2 100644
--- a/api/@ohos.bluetooth.socket.d.ts
+++ b/api/@ohos.bluetooth.socket.d.ts
@@ -48,6 +48,15 @@ declare namespace socket {
    */
   function sppListen(name: string, options: SppOptions, callback: AsyncCallback<number>): void;
 
+  /**
+   * Get l2cap socket psm.
+   * 
+   * @param { number } serverSocket - Indicates the server socket ID, returned by {@link sppListen}.
+   * @returns { number } Returns the l2cap socket psm
+   * @syscap SystemCapability.Communication.Bluetooth.Core
+   * @since 20
+   */
+  function getL2capPsm(serverSocket: number): number;
   /**
    * Waits for a remote device to connect.
    *
@@ -231,6 +240,14 @@ declare namespace socket {
      * @since 10
      */
     type: SppType;
+    /**
+     * l2cap protocol service multiplexer
+     *
+     * @type { ?number }
+     * @syscap SystemCapability.Communication.Bluetooth.Core
+     * @since 20
+     */
+    psm?: number;
   }
 
   /**
@@ -247,7 +264,21 @@ declare namespace socket {
      * @syscap SystemCapability.Communication.Bluetooth.Core
      * @since 10
      */
-    SPP_RFCOMM
+    SPP_RFCOMM = 0,
+    /**
+     * L2CAP of the BR type
+     *
+     * @syscap SystemCapability.Communication.Bluetooth.Core
+     * @since 20
+     */
+    SPP_L2CAP = 1,
+     /**
+     * L2CAP of the BLE type
+     *
+     * @syscap SystemCapability.Communication.Bluetooth.Core
+     * @since 20
+     */
+    SPP_L2CAP_BLE = 2
   }
 }
 
diff --git a/api/application/ApplicationContext.d.ts b/api/application/ApplicationContext.d.ts
index 988d517a9e298aaa676b7106c0a3ec862bc7bfd9..e4777379ad5c0ff3384a9735a5fbb707486294f6 100644
--- a/api/application/ApplicationContext.d.ts
+++ b/api/application/ApplicationContext.d.ts
@@ -599,23 +599,6 @@ declare class ApplicationContext extends Context {
    * @since arkts {'1.1':'11', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  /**
-   * Sets the language for the application.
-   *
-   * <p>**NOTE**:
-   * <br>It can be called only by the main thread.
-   * </p>
-   * 
-   * @param { string } language - Target language. The list of supported languages can be obtained by
-   * calling getSystemLanguages().
-   * @throws { BusinessError } 16000011 - The context does not exist.
-   * @syscap SystemCapability.Ability.AbilityRuntime.Core
-   * @stagemodelonly
-   * @crossplatform
-   * @atomicservice
-   * @since 21
-   * @arkts 1.1&1.2
-   */
   setLanguage(language: string): void;
 
   /**
@@ -757,22 +740,6 @@ declare class ApplicationContext extends Context {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  /**
-   * Sets the font for this application.
-   * 
-   * <p>**NOTE**:
-   * <br>This API can be called only by the main thread.
-   * </P>
-   *
-   * @param { string } font - Font, which can be registered by calling UIContext.registerFont.
-   * @throws { BusinessError } 16000011 - The context does not exist.
-   * @throws { BusinessError } 16000050 - Internal error.
-   * @syscap SystemCapability.Ability.AbilityRuntime.Core
-   * @stagemodelonly
-   * @crossplatform
-   * @since 21
-   * @arkts 1.1&1.2
-   */
   setFont(font: string): void;
 
   /**
@@ -805,23 +772,6 @@ declare class ApplicationContext extends Context {
    * @since arkts {'1.1':'13', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  /**
-   * Sets the scale ratio for the font size of this application.
-   * 
-   * <p>**NOTE**:
-   * <br>It can be called only by the main thread.
-   * </p>
-   * 
-   * @param {number} fontSizeScale - Font scale ratio. The value is a non-negative number. When the application's
-   * {@link fontSizeScale} is set to <code>followSystem</code> and the value set here exceeds the value of
-   * fontSizeMaxScale, the value of fontSizeMaxScale takes effect.
-   * @syscap SystemCapability.Ability.AbilityRuntime.Core
-   * @stagemodelonly
-   * @crossplatform
-   * @atomicservice
-   * @since 21
-   * @arkts 1.1&1.2
-   */
   setFontSizeScale(fontSizeScale: number): void;
 
   /**
diff --git a/api/application/UIAbilityContext.d.ts b/api/application/UIAbilityContext.d.ts
index d8b9b4fa64dde69958a1cd5249c6be4f0cb269a1..f1ec7e7b6819e03993ca88ecf5f0c8ba34d62fcb 100644
--- a/api/application/UIAbilityContext.d.ts
+++ b/api/application/UIAbilityContext.d.ts
@@ -172,18 +172,6 @@ declare class UIAbilityContext extends Context {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  /**
-   * Indicates windowStage information.
-   * Exists from onWindowStageCreate lifecycle, does not exist from onWindowStageDestroy lifecycle.
-   *
-   * @type { window.WindowStage }
-   * @syscap SystemCapability.Ability.AbilityRuntime.Core
-   * @stagemodelonly
-   * @crossplatform
-   * @atomicservice
-   * @since 21
-   * @arkts 1.1&1.2
-   */
   windowStage: window.WindowStage;
 
   /**
diff --git a/api/arkui/FrameNode.d.ts b/api/arkui/FrameNode.d.ts
index 2f613b50bec975495d3bb8944c9b1b0530ae030d..a5b54323d3e5463868c7bd6544d691a8535a47a0 100644
--- a/api/arkui/FrameNode.d.ts
+++ b/api/arkui/FrameNode.d.ts
@@ -1269,21 +1269,6 @@ export declare class FrameNode {
    * @since 20
    */
   getNodePropertyValue(property: AnimationPropertyType): number[];
-  
-  /**
-   * Triggers node updates in the current frame.
-   * 
-   * When node attributes are modified after the current frame's build phase (i.e., after
-   * the unified processing of dirty nodes), the node updates will be deferred to the next
-   * frame. This function forces immediate node updates within the current frame to
-   * ensure rendering effects are applied synchronously.
-   *
-   * @syscap SystemCapability.ArkUI.ArkUI.Full
-   * @crossplatform
-   * @atomicservice
-   * @since 21
-   */
-  invalidateAttributes(): void;
 }
 
 /**