diff --git a/Android.bp b/Android.bp
index e358005..ba04bb3 100644
--- a/Android.bp
+++ b/Android.bp
@@ -42,6 +42,24 @@
     ],
 }
 
+// Main Launcher source for compose, excluding the build config
+filegroup {
+    name: "launcher-compose-enabled-src",
+    srcs: [
+        "compose/facade/enabled/*.kt",
+        "compose/facade/core/*.kt",
+        "compose/features/**/*.kt",
+    ],
+}
+
+filegroup {
+    name: "launcher-compose-disabled-src",
+    srcs: [
+        "compose/facade/core/*.kt",
+        "compose/facade/disabled/*.kt",
+    ],
+}
+
 // Source code for quickstep build, on top of launcher-src
 filegroup {
     name: "launcher-quickstep-src",
@@ -51,6 +69,24 @@
     ],
 }
 
+// Source code for quickstep build with compose enabled, on top of launcher-src
+filegroup {
+    name: "launcher-quickstep-compose-enabled-src",
+    srcs: [
+        "quickstep/compose/facade/core/*.kt",
+        "quickstep/compose/facade/enabled/*.kt",
+        "quickstep/compose/features/**/*.kt",
+    ],
+}
+
+filegroup {
+    name: "launcher-quickstep-compose-disabled-src",
+    srcs: [
+        "quickstep/compose/facade/core/*.kt",
+        "quickstep/compose/facade/disabled/*.kt",
+    ],
+}
+
 // Alternate source when quickstep is not included
 filegroup {
     name: "launcher-src_no_quickstep",
@@ -74,6 +110,114 @@
     srcs: ["proguard.flags"],
 }
 
+// Opt-in configuration for Launcher3 code depending on Jetpack Compose.
+soong_config_module_type {
+    name: "launcher_compose_java_defaults",
+    module_type: "java_defaults",
+    config_namespace: "ANDROID",
+    bool_variables: ["release_enable_compose_in_launcher"],
+    properties: [
+        "srcs",
+        "static_libs",
+    ],
+}
+
+// Opt-in configuration for Launcher Quickstep code depending on Jetpack Compose.
+soong_config_bool_variable {
+    name: "release_enable_compose_in_launcher",
+}
+
+soong_config_module_type {
+    name: "quickstep_compose_java_defaults",
+    module_type: "java_defaults",
+    config_namespace: "ANDROID",
+    bool_variables: ["release_enable_compose_in_launcher"],
+    properties: [
+        "srcs",
+        "static_libs",
+    ],
+}
+
+soong_config_module_type {
+    name: "launcher_compose_tests_java_defaults",
+    module_type: "java_defaults",
+    config_namespace: "ANDROID",
+    bool_variables: ["release_enable_compose_in_launcher"],
+    properties: [
+        "static_libs",
+    ],
+}
+
+launcher_compose_java_defaults {
+    name: "launcher_compose_defaults",
+    soong_config_variables: {
+        release_enable_compose_in_launcher: {
+            srcs: [
+                ":launcher-compose-enabled-src"
+            ],
+
+            // Compose dependencies
+            static_libs: [
+                "androidx.compose.runtime_runtime",
+                "androidx.compose.material3_material3",
+            ],
+
+            // By default, Compose is disabled and we compile the ComposeFacade
+            // in compose/launcher3/facade/disabled/.
+            conditions_default: {
+                srcs: [
+                    ":launcher-compose-disabled-src"
+                ],
+                static_libs: [],
+            },
+        },
+    },
+}
+
+quickstep_compose_java_defaults {
+    name: "quickstep_compose_defaults",
+    soong_config_variables: {
+        release_enable_compose_in_launcher: {
+            srcs: [
+                ":launcher-quickstep-compose-enabled-src"
+            ],
+
+            // Compose dependencies
+            static_libs: [
+                "androidx.compose.runtime_runtime",
+                "androidx.compose.material3_material3",
+            ],
+
+            // By default, Compose is disabled and we compile the ComposeFacade
+            // in compose/quickstep/facade/disabled/.
+            conditions_default: {
+                srcs: [
+                    ":launcher-quickstep-compose-disabled-src"
+                ],
+                static_libs: [],
+            },
+        },
+    },
+}
+
+launcher_compose_tests_java_defaults {
+    name: "launcher_compose_tests_defaults",
+    soong_config_variables: {
+        release_enable_compose_in_launcher: {
+            // Compose dependencies
+            static_libs: [
+                "androidx.compose.runtime_runtime",
+                "androidx.compose.ui_ui-test-junit4",
+                "androidx.compose.ui_ui-test-manifest",
+            ],
+
+            conditions_default: {
+                static_libs: [],
+            },
+        },
+    },
+}
+
 android_library {
     name: "launcher-aosp-tapl",
     libs: [
@@ -147,6 +291,9 @@
 // Library with all the dependencies for building Launcher3
 android_library {
     name: "Launcher3ResLib",
+    defaults: [
+        "launcher_compose_defaults",
+    ],
     srcs: [],
     resource_dirs: ["res"],
     static_libs: [
@@ -173,6 +320,7 @@
         "kotlinx_coroutines",
         "com_android_launcher3_flags_lib",
         "com_android_wm_shell_flags_lib",
+
     ],
     manifest: "AndroidManifest-common.xml",
     sdk_version: "current",
@@ -250,6 +398,10 @@
 // Library with all the source code and dependencies for building Launcher Go
 android_library {
     name: "Launcher3GoLib",
+    defaults: [
+        "launcher_compose_defaults",
+        "quickstep_compose_defaults",
+    ],
     srcs: [
         ":launcher-src",
         ":launcher-quickstep-src",
@@ -281,6 +433,10 @@
 // Library with all the source code and dependencies for building Quickstep
 android_library {
     name: "Launcher3QuickStepLib",
+    defaults: [
+        "launcher_compose_defaults",
+        "quickstep_compose_defaults"
+    ],
     srcs: [
         ":launcher-src",
         ":launcher-quickstep-src",
@@ -308,7 +464,6 @@
 // Build rule for Quickstep app.
 android_app {
     name: "Launcher3QuickStep",
-
     static_libs: ["Launcher3QuickStepLib"],
     optimize: {
         proguard_flags_files: [":launcher-proguard-rules"],
@@ -349,7 +504,6 @@
 // eventually be merged into a single target
 android_app {
     name: "Launcher3Go",
-
     static_libs: ["Launcher3GoLib"],
     resource_dirs: [],
 
@@ -386,7 +540,6 @@
 }
 android_app {
     name: "Launcher3QuickStepGo",
-
     static_libs: ["Launcher3GoLib"],
     resource_dirs: [],
 
diff --git a/aconfig/launcher_overview.aconfig b/aconfig/launcher_overview.aconfig
index f9327fe..11740ee 100644
--- a/aconfig/launcher_overview.aconfig
+++ b/aconfig/launcher_overview.aconfig
@@ -21,3 +21,13 @@
     description: "Enables rewritten version of TaskThumbnailViews in Overview"
     bug: "331753115"
 }
+
+flag {
+    name: "enable_hover_of_child_elements_in_taskview"
+    namespace: "launcher_overview"
+    description: "Enables child elements to receive hover events in TaskView and respond visually to those hover events."
+    bug: "342594235"
+    metadata {
+      purpose: PURPOSE_BUGFIX
+    }
+}
diff --git a/compose/facade/core/BaseComposeFacade.kt b/compose/facade/core/BaseComposeFacade.kt
new file mode 100644
index 0000000..bc7ba47
--- /dev/null
+++ b/compose/facade/core/BaseComposeFacade.kt
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * 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.
+ */
+
+package com.android.launcher3.compose.core
+
+import android.content.Context
+import android.view.View
+
+interface BaseComposeFacade {
+    fun isComposeAvailable(): Boolean
+
+    fun initComposeView(appContext: Context): View
+}
diff --git a/compose/facade/disabled/ComposeFacade.kt b/compose/facade/disabled/ComposeFacade.kt
new file mode 100644
index 0000000..c1cbfff
--- /dev/null
+++ b/compose/facade/disabled/ComposeFacade.kt
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * 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.
+ */
+
+package com.android.launcher3.compose
+
+import android.content.Context
+import android.view.View
+import com.android.launcher3.compose.core.BaseComposeFacade
+
+object ComposeFacade : BaseComposeFacade {
+    override fun isComposeAvailable(): Boolean = false
+
+    override fun initComposeView(appContext: Context): View {
+        error(
+            "Compose is not available. Make sure to check isComposeAvailable() before calling any" +
+                " other function on ComposeFacade."
+        )
+    }
+}
diff --git a/compose/facade/enabled/ComposeFacade.kt b/compose/facade/enabled/ComposeFacade.kt
new file mode 100644
index 0000000..d98a979f
--- /dev/null
+++ b/compose/facade/enabled/ComposeFacade.kt
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * 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.
+ */
+
+package com.android.launcher3.compose
+
+import android.content.Context
+import android.view.View
+import androidx.compose.ui.platform.ComposeView
+import com.android.launcher3.compose.core.BaseComposeFacade
+
+object ComposeFacade : BaseComposeFacade {
+    override fun isComposeAvailable(): Boolean = true
+
+    override fun initComposeView(appContext: Context): View = ComposeView(appContext)
+}
diff --git a/quickstep/compose/facade/core/QuickstepComposeFeatures.kt b/quickstep/compose/facade/core/QuickstepComposeFeatures.kt
new file mode 100644
index 0000000..ca9e5c9
--- /dev/null
+++ b/quickstep/compose/facade/core/QuickstepComposeFeatures.kt
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * 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.
+ */
+
+package com.android.quickstep.compose.core
+
+interface QuickstepComposeFeatures
diff --git a/quickstep/compose/facade/disabled/QuickstepComposeFacade.kt b/quickstep/compose/facade/disabled/QuickstepComposeFacade.kt
new file mode 100644
index 0000000..0a4345a
--- /dev/null
+++ b/quickstep/compose/facade/disabled/QuickstepComposeFacade.kt
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * 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.
+ */
+
+package com.android.quickstep.compose
+
+import android.content.Context
+import com.android.launcher3.compose.ComposeFacade
+import com.android.launcher3.compose.core.BaseComposeFacade
+import com.android.quickstep.compose.core.QuickstepComposeFeatures
+
+object QuickstepComposeFacade : BaseComposeFacade, QuickstepComposeFeatures {
+
+    override fun isComposeAvailable() = ComposeFacade.isComposeAvailable()
+
+    override fun initComposeView(appContext: Context) = ComposeFacade.initComposeView(appContext)
+}
diff --git a/quickstep/compose/facade/enabled/QuickstepComposeFacade.kt b/quickstep/compose/facade/enabled/QuickstepComposeFacade.kt
new file mode 100644
index 0000000..97cd300
--- /dev/null
+++ b/quickstep/compose/facade/enabled/QuickstepComposeFacade.kt
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * 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.
+ */
+
+package com.android.quickstep.compose
+
+import android.content.Context
+import com.android.launcher3.compose.ComposeFacade
+import com.android.launcher3.compose.core.BaseComposeFacade
+import com.android.quickstep.compose.core.QuickstepComposeFeatures
+
+object QuickstepComposeFacade : BaseComposeFacade, QuickstepComposeFeatures {
+    override fun isComposeAvailable() = ComposeFacade.isComposeAvailable()
+
+    override fun initComposeView(appContext: Context) = ComposeFacade.initComposeView(appContext)
+}
diff --git a/quickstep/res/layout/split_instructions_view.xml b/quickstep/res/layout/split_instructions_view.xml
index 797ea45..a11974c 100644
--- a/quickstep/res/layout/split_instructions_view.xml
+++ b/quickstep/res/layout/split_instructions_view.xml
@@ -41,5 +41,6 @@
         android:textColor="?androidprv:attr/textColorOnAccent"
         android:layout_marginStart="@dimen/split_instructions_start_margin_cancel"
         android:text="@string/toast_split_select_app_cancel"
+        android:textStyle="bold"
         android:visibility="gone"/>
 </com.android.quickstep.views.SplitInstructionsView>
\ No newline at end of file
diff --git a/quickstep/res/layout/task.xml b/quickstep/res/layout/task.xml
index ac1a50a..34193d3 100644
--- a/quickstep/res/layout/task.xml
+++ b/quickstep/res/layout/task.xml
@@ -19,7 +19,7 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
     xmlns:launcher="http://schemas.android.com/apk/res-auto"
-    android:id="@+id/task"
+    android:id="@+id/task_view_single"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:clipChildren="false"
diff --git a/quickstep/res/layout/task_desktop.xml b/quickstep/res/layout/task_desktop.xml
index 64aa7e1..8c7090e 100644
--- a/quickstep/res/layout/task_desktop.xml
+++ b/quickstep/res/layout/task_desktop.xml
@@ -19,7 +19,7 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
     xmlns:launcher="http://schemas.android.com/apk/res-auto"
-    android:id="@+id/task"
+    android:id="@+id/task_view_desktop"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:clipChildren="true"
diff --git a/quickstep/res/layout/task_grouped.xml b/quickstep/res/layout/task_grouped.xml
index da2b29f..cb4b98f 100644
--- a/quickstep/res/layout/task_grouped.xml
+++ b/quickstep/res/layout/task_grouped.xml
@@ -24,7 +24,7 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
     xmlns:launcher="http://schemas.android.com/apk/res-auto"
-    android:id="@+id/task"
+    android:id="@+id/task_view_grouped"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:clipChildren="false"
diff --git a/quickstep/res/values/strings.xml b/quickstep/res/values/strings.xml
index 8bcbb33..037a0f6 100644
--- a/quickstep/res/values/strings.xml
+++ b/quickstep/res/values/strings.xml
@@ -237,7 +237,7 @@
     <!-- Label for toast with instructions for split screen selection mode. [CHAR_LIMIT=50] -->
     <string name="toast_split_select_app">Tap another app to use split screen</string>
     <string name="toast_contextual_split_select_app">Choose another app to use split screen</string>
-    <string name="toast_split_select_app_cancel"><b>Cancel</b></string>
+    <string name="toast_split_select_app_cancel">Cancel</string>
     <string name="toast_split_select_cont_desc">Exit split screen selection</string>
     <!-- Label for toast when app selected for split isn't supported. [CHAR_LIMIT=50] -->
     <string name="toast_split_app_unsupported">Choose another app to use split screen</string>
diff --git a/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java b/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
index ea2adcf..7338485 100644
--- a/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
@@ -264,11 +264,19 @@
         boolean isThreeButtonNav = mContext.isThreeButtonNav();
         DeviceProfile deviceProfile = mContext.getDeviceProfile();
         Resources resources = mContext.getResources();
-        Point p = !mContext.isUserSetupComplete()
-                ? new Point(0, mControllers.taskbarActivityContext.getSetupWindowSize())
-                : DimensionUtils.getTaskbarPhoneDimensions(deviceProfile, resources,
-                        mContext.isPhoneMode());
-        mNavButtonsView.getLayoutParams().height = p.y;
+
+        int setupSize = mControllers.taskbarActivityContext.getSetupWindowSize();
+        Point p = DimensionUtils.getTaskbarPhoneDimensions(deviceProfile, resources,
+                mContext.isPhoneMode());
+        ViewGroup.LayoutParams navButtonsViewLayoutParams = mNavButtonsView.getLayoutParams();
+        navButtonsViewLayoutParams.width = p.x;
+        if (!mContext.isUserSetupComplete()) {
+            // Setup mode in phone mode uses gesture nav.
+            navButtonsViewLayoutParams.height = setupSize;
+        } else {
+            navButtonsViewLayoutParams.height = p.y;
+        }
+        mNavButtonsView.setLayoutParams(navButtonsViewLayoutParams);
 
         mIsImeRenderingNavButtons =
                 InputMethodService.canImeRenderGesturalNavButtons() && mContext.imeDrawsImeNavBar();
diff --git a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarView.java b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarView.java
index 32ca9f2..4d0cad2 100644
--- a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarView.java
+++ b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarView.java
@@ -418,6 +418,7 @@
         LayoutParams lp = (LayoutParams) getLayoutParams();
         lp.gravity = Gravity.BOTTOM | (onLeft ? Gravity.LEFT : Gravity.RIGHT);
         setLayoutParams(lp); // triggers a relayout
+        updateBubbleAccessibilityStates();
     }
 
     /**
@@ -887,6 +888,33 @@
         updateNotificationDotsIfCollapsed();
     }
 
+    /**
+     * Return child views in the order which they are shown on the screen.
+     * <p>
+     * Child views (bubbles) are always ordered based on recency. The most recent bubble is at index
+     * 0.
+     * For example if the child views are (1)(2)(3) then (1) is the most recent bubble and at index
+     * 0.<br>
+     *
+     * How bubbles show up on the screen depends on the bubble bar location. If the bar is on the
+     * left, the most recent bubble is shown on the right. The bubbles from the example above would
+     * be shown as: (3)(2)(1).<br>
+     *
+     * If bubble bar is on the right, then the most recent bubble is on the left. Bubbles from the
+     * example above would be shown as: (1)(2)(3).
+     */
+    private List<View> getChildViewsInOnScreenOrder() {
+        List<View> childViews = new ArrayList<>(getChildCount());
+        for (int i = 0; i < getChildCount(); i++) {
+            childViews.add(getChildAt(i));
+        }
+        if (mBubbleBarLocation.isOnLeft(isLayoutRtl())) {
+            // Visually child views are shown in reverse order when bar is on the left
+            return childViews.reversed();
+        }
+        return childViews;
+    }
+
     private void updateNotificationDotsIfCollapsed() {
         if (isExpanded()) {
             return;
@@ -1331,21 +1359,39 @@
     }
 
     private void updateBubbleAccessibilityStates() {
-        final int childA11y;
         if (mIsBarExpanded) {
             // Bar is expanded, focus on the bubbles
             setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO);
-            childA11y = View.IMPORTANT_FOR_ACCESSIBILITY_YES;
+
+            // Set up a11y navigation order. Get list of child views in the order they are shown
+            // on screen. And use that to set up navigation so that swiping left focuses the view
+            // on the left and swiping right focuses view on the right.
+            View prevChild = null;
+            for (View childView : getChildViewsInOnScreenOrder()) {
+                childView.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_YES);
+                childView.setFocusable(true);
+                final View finalPrevChild = prevChild;
+                // Always need to set a new delegate to clear out any previous.
+                childView.setAccessibilityDelegate(new AccessibilityDelegate() {
+                    @Override
+                    public void onInitializeAccessibilityNodeInfo(View host,
+                            AccessibilityNodeInfo info) {
+                        super.onInitializeAccessibilityNodeInfo(host, info);
+                        if (finalPrevChild != null) {
+                            info.setTraversalAfter(finalPrevChild);
+                        }
+                    }
+                });
+                prevChild = childView;
+            }
         } else {
             // Bar is collapsed, only focus on the bar
             setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_YES);
-            childA11y = View.IMPORTANT_FOR_ACCESSIBILITY_NO;
-        }
-        for (int i = 0; i < getChildCount(); i++) {
-            getChildAt(i).setImportantForAccessibility(childA11y);
-            // Only allowing focusing on bubbles when bar is expanded. Otherwise, in talkback mode,
-            // bubbles can be navigates to in collapsed mode.
-            getChildAt(i).setFocusable(mIsBarExpanded);
+            for (int i = 0; i < getChildCount(); i++) {
+                View childView = getChildAt(i);
+                childView.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO);
+                childView.setFocusable(false);
+            }
         }
     }
 
diff --git a/quickstep/src/com/android/quickstep/views/DesktopTaskView.kt b/quickstep/src/com/android/quickstep/views/DesktopTaskView.kt
index 9ce2277..384945b 100644
--- a/quickstep/src/com/android/quickstep/views/DesktopTaskView.kt
+++ b/quickstep/src/com/android/quickstep/views/DesktopTaskView.kt
@@ -30,6 +30,8 @@
 import androidx.core.view.updateLayoutParams
 import com.android.launcher3.Flags.enableRefactorTaskThumbnail
 import com.android.launcher3.R
+import com.android.launcher3.testing.TestLogging
+import com.android.launcher3.testing.shared.TestProtocol
 import com.android.launcher3.util.RunnableList
 import com.android.launcher3.util.SplitConfigurationOptions
 import com.android.launcher3.util.TransformingTouchDelegate
@@ -213,7 +215,15 @@
     }
 
     override fun needsUpdate(dataChange: Int, flag: Int) =
-        if (flag == FLAG_UPDATE_THUMBNAIL) super.needsUpdate(dataChange, flag) else false
+        if (flag == FLAG_UPDATE_CORNER_RADIUS) false else super.needsUpdate(dataChange, flag)
+
+    override fun onIconLoaded(taskContainer: TaskContainer) {
+        // Update contentDescription of snapshotView only, individual task icon is unused.
+        taskContainer.snapshotView.contentDescription = taskContainer.task.titleDescription
+    }
+
+    // Ignoring [onIconUnloaded] as all tasks shares the same Desktop icon
+    override fun onIconUnloaded(taskContainer: TaskContainer) {}
 
     // thumbnailView is laid out differently and is handled in onMeasure
     override fun updateThumbnailSize() {}
@@ -228,6 +238,11 @@
 
     override fun launchTaskAnimated(): RunnableList? {
         val recentsView = recentsView ?: return null
+        TestLogging.recordEvent(
+            TestProtocol.SEQUENCE_MAIN,
+            "launchDesktopFromRecents",
+            taskIds.contentToString()
+        )
         val endCallback = RunnableList()
         val desktopController = recentsView.desktopRecentsController
         checkNotNull(desktopController) { "recentsController is null" }
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index fa9a282..5a6c278 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -135,6 +135,7 @@
 import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.BaseActivity.MultiWindowModeChangedListener;
 import com.android.launcher3.DeviceProfile;
+import com.android.launcher3.Flags;
 import com.android.launcher3.Insettable;
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.PagedView;
@@ -553,6 +554,7 @@
     // Progress from 0 to 1 where 0 is a carousel and 1 is a 2 row grid.
     private float mGridProgress = 0;
     private float mTaskThumbnailSplashAlpha = 0;
+    private boolean mBorderEnabled = false;
     private boolean mShowAsGridLastOnLayout = false;
     private final IntSet mTopRowIdSet = new IntSet();
     private int mClearAllShortTotalWidthTranslation = 0;
@@ -1525,6 +1527,7 @@
      * Enable or disable showing border on hover and focus change on task views
      */
     public void setTaskBorderEnabled(boolean enabled) {
+        mBorderEnabled = enabled;
         int taskCount = getTaskViewCount();
         for (int i = 0; i < taskCount; i++) {
             TaskView taskView = requireTaskViewAt(i);
@@ -2044,6 +2047,7 @@
                 taskView.setFullscreenProgress(mFullscreenProgress);
                 taskView.setModalness(mTaskModalness);
                 taskView.setTaskThumbnailSplashAlpha(mTaskThumbnailSplashAlpha);
+                taskView.setBorderEnabled(mBorderEnabled);
             }
         }
         // resetTaskVisuals is called at the end of dismiss animation which could update
@@ -4917,6 +4921,9 @@
                 mSplitHiddenTaskView.updateSnapshotRadius();
             });
         } else if (isInitiatingSplitFromTaskView) {
+            if (Flags.enableHoverOfChildElementsInTaskview()) {
+                mSplitHiddenTaskView.setBorderEnabled(false);
+            }
             // Splitting from Overview for fullscreen task
             createTaskDismissAnimation(builder, mSplitHiddenTaskView, true, false, duration,
                     true /* dismissingForSplitSelection*/);
diff --git a/quickstep/src/com/android/quickstep/views/TaskMenuViewWithArrow.kt b/quickstep/src/com/android/quickstep/views/TaskMenuViewWithArrow.kt
index e10d38c..158ae33 100644
--- a/quickstep/src/com/android/quickstep/views/TaskMenuViewWithArrow.kt
+++ b/quickstep/src/com/android/quickstep/views/TaskMenuViewWithArrow.kt
@@ -42,7 +42,11 @@
     companion object {
         const val TAG = "TaskMenuViewWithArrow"
 
-        fun showForTask(taskContainer: TaskContainer, alignedOptionIndex: Int = 0): Boolean {
+        fun showForTask(
+            taskContainer: TaskContainer,
+            alignedOptionIndex: Int = 0,
+            onClosedCallback: Runnable? = null
+        ): Boolean {
             val container: RecentsViewContainer =
                 RecentsViewContainer.containerFromContext(taskContainer.taskView.context)
             val taskMenuViewWithArrow =
@@ -52,7 +56,11 @@
                     false
                 ) as TaskMenuViewWithArrow<*>
 
-            return taskMenuViewWithArrow.populateAndShowForTask(taskContainer, alignedOptionIndex)
+            return taskMenuViewWithArrow.populateAndShowForTask(
+                taskContainer,
+                alignedOptionIndex,
+                onClosedCallback
+            )
         }
     }
 
@@ -98,6 +106,7 @@
     private var iconView: IconView? = null
     private var scrim: View? = null
     private val scrimAlpha = 0.8f
+    private var onClosedCallback: Runnable? = null
 
     override fun isOfType(type: Int): Boolean = type and TYPE_TASK_MENU != 0
 
@@ -141,7 +150,8 @@
 
     private fun populateAndShowForTask(
         taskContainer: TaskContainer,
-        alignedOptionIndex: Int
+        alignedOptionIndex: Int,
+        onClosedCallback: Runnable?
     ): Boolean {
         if (isAttachedToWindow) {
             return false
@@ -150,6 +160,7 @@
         taskView = taskContainer.taskView
         this.taskContainer = taskContainer
         this.alignedOptionIndex = alignedOptionIndex
+        this.onClosedCallback = onClosedCallback
         if (!populateMenu()) return false
         addScrim()
         show()
@@ -252,6 +263,7 @@
         super.closeComplete()
         popupContainer.removeView(scrim)
         popupContainer.removeView(iconView)
+        onClosedCallback?.run()
     }
 
     /**
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.kt b/quickstep/src/com/android/quickstep/views/TaskView.kt
index e189d14..176a538 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.kt
+++ b/quickstep/src/com/android/quickstep/views/TaskView.kt
@@ -48,6 +48,7 @@
 import com.android.launcher3.Flags.enableCursorHoverStates
 import com.android.launcher3.Flags.enableFocusOutline
 import com.android.launcher3.Flags.enableGridOnlyOverview
+import com.android.launcher3.Flags.enableHoverOfChildElementsInTaskview
 import com.android.launcher3.Flags.enableOverviewIconMenu
 import com.android.launcher3.Flags.enableRefactorTaskThumbnail
 import com.android.launcher3.R
@@ -413,6 +414,26 @@
             focusBorderAnimator?.setBorderVisibility(visible = field && isFocused, animated = true)
         }
 
+    /**
+     * Used to cache the hover border state so we don't repeatedly call the border animator with
+     * every hover event when the user hasn't crossed the threshold of the [thumbnailBounds].
+     */
+    private var hoverBorderVisible = false
+        set(value) {
+            if (field == value) {
+                return
+            }
+            field = value
+            Log.d(
+                TAG,
+                "${taskIds.contentToString()} - setting border animator visibility to: $field"
+            )
+            hoverBorderAnimator?.setBorderVisibility(visible = field, animated = true)
+        }
+
+    // Used to cache thumbnail bounds to avoid recalculating on every hover move.
+    private var thumbnailBounds = Rect()
+
     private var focusTransitionProgress = 1f
         set(value) {
             field = value
@@ -511,20 +532,28 @@
     override fun onHoverEvent(event: MotionEvent): Boolean {
         if (borderEnabled) {
             when (event.action) {
-                MotionEvent.ACTION_HOVER_ENTER ->
-                    hoverBorderAnimator?.setBorderVisibility(visible = true, animated = true)
-                MotionEvent.ACTION_HOVER_EXIT ->
-                    hoverBorderAnimator?.setBorderVisibility(visible = false, animated = true)
+                MotionEvent.ACTION_HOVER_ENTER -> {
+                    hoverBorderVisible =
+                        if (enableHoverOfChildElementsInTaskview()) {
+                            getThumbnailBounds(thumbnailBounds)
+                            event.isWithinThumbnailBounds()
+                        } else {
+                            true
+                        }
+                }
+                MotionEvent.ACTION_HOVER_MOVE ->
+                    if (enableHoverOfChildElementsInTaskview())
+                        hoverBorderVisible = event.isWithinThumbnailBounds()
+                MotionEvent.ACTION_HOVER_EXIT -> hoverBorderVisible = false
                 else -> {}
             }
         }
         return super.onHoverEvent(event)
     }
 
-    // avoid triggering hover event on child elements which would cause HOVER_EXIT for this
-    // task view
-    override fun onInterceptHoverEvent(event: MotionEvent) =
-        if (enableCursorHoverStates()) true else super.onInterceptHoverEvent(event)
+    override fun onInterceptHoverEvent(event: MotionEvent): Boolean =
+        if (enableHoverOfChildElementsInTaskview()) super.onInterceptHoverEvent(event)
+        else if (enableCursorHoverStates()) true else super.onInterceptHoverEvent(event)
 
     override fun dispatchTouchEvent(ev: MotionEvent): Boolean {
         val recentsView = recentsView ?: return false
@@ -567,6 +596,9 @@
                 it.right = width
                 it.bottom = height
             }
+        if (enableHoverOfChildElementsInTaskview()) {
+            getThumbnailBounds(thumbnailBounds)
+        }
     }
 
     override fun onRecycle() {
@@ -579,6 +611,7 @@
         setOverlayEnabled(false)
         onTaskListVisibilityChanged(false)
         borderEnabled = false
+        hoverBorderVisible = false
         taskViewId = UNBOUND_TASK_VIEW_ID
         taskContainers.forEach { it.destroy() }
     }
@@ -868,18 +901,11 @@
                             it.task.icon = icon
                             it.task.titleDescription = contentDescription
                             it.task.title = title
-                            setIcon(it.iconView, icon)
-                            if (enableOverviewIconMenu()) {
-                                setText(it.iconView, title)
-                            }
-                            it.digitalWellBeingToast?.initialize(it.task)
+                            onIconLoaded(it)
                         }
                         ?.also { request -> pendingIconLoadRequests.add(request) }
                 } else {
-                    setIcon(it.iconView, null)
-                    if (enableOverviewIconMenu()) {
-                        setText(it.iconView, null)
-                    }
+                    onIconUnloaded(it)
                 }
             }
         }
@@ -898,6 +924,21 @@
         pendingIconLoadRequests.clear()
     }
 
+    protected open fun onIconLoaded(taskContainer: TaskContainer) {
+        setIcon(taskContainer.iconView, taskContainer.task.icon)
+        if (enableOverviewIconMenu()) {
+            setText(taskContainer.iconView, taskContainer.task.title)
+        }
+        taskContainer.digitalWellBeingToast?.initialize(taskContainer.task)
+    }
+
+    protected open fun onIconUnloaded(taskContainer: TaskContainer) {
+        setIcon(taskContainer.iconView, null)
+        if (enableOverviewIconMenu()) {
+            setText(taskContainer.iconView, null)
+        }
+    }
+
     protected fun setIcon(iconView: TaskViewIcon, icon: Drawable?) {
         with(iconView) {
             if (icon != null) {
@@ -1119,6 +1160,11 @@
             isClickableAsLiveTile = true
             return runnableList
         }
+        TestLogging.recordEvent(
+            TestProtocol.SEQUENCE_MAIN,
+            "composeRecentsLaunchAnimator",
+            taskIds.contentToString()
+        )
         val runnableList = RunnableList()
         with(AnimatorSet()) {
             TaskViewUtils.composeRecentsLaunchAnimator(
@@ -1225,10 +1271,17 @@
 
     private fun showTaskMenuWithContainer(menuContainer: TaskContainer): Boolean {
         val recentsView = recentsView ?: return false
+        if (enableHoverOfChildElementsInTaskview()) {
+            // Disable hover on all TaskView's whilst menu is showing.
+            recentsView.setTaskBorderEnabled(false)
+        }
         return if (enableOverviewIconMenu() && menuContainer.iconView is IconAppChipView) {
             menuContainer.iconView.revealAnim(/* isRevealing= */ true)
             TaskMenuView.showForTask(menuContainer) {
                 menuContainer.iconView.revealAnim(/* isRevealing= */ false)
+                if (enableHoverOfChildElementsInTaskview()) {
+                    recentsView.setTaskBorderEnabled(true)
+                }
             }
         } else if (container.deviceProfile.isTablet) {
             val alignedOptionIndex =
@@ -1248,9 +1301,17 @@
                 } else {
                     0
                 }
-            TaskMenuViewWithArrow.showForTask(menuContainer, alignedOptionIndex)
+            TaskMenuViewWithArrow.showForTask(menuContainer, alignedOptionIndex) {
+                if (enableHoverOfChildElementsInTaskview()) {
+                    recentsView.setTaskBorderEnabled(true)
+                }
+            }
         } else {
-            TaskMenuView.showForTask(menuContainer)
+            TaskMenuView.showForTask(menuContainer) {
+                if (enableHoverOfChildElementsInTaskview()) {
+                    recentsView.setTaskBorderEnabled(true)
+                }
+            }
         }
     }
 
@@ -1583,6 +1644,10 @@
         override fun close() {}
     }
 
+    private fun MotionEvent.isWithinThumbnailBounds(): Boolean {
+        return thumbnailBounds.contains(x.toInt(), y.toInt())
+    }
+
     companion object {
         private const val TAG = "TaskView"
         const val FLAG_UPDATE_ICON = 1
diff --git a/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/TaskbarEduTooltipControllerTest.kt b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/TaskbarEduTooltipControllerTest.kt
index 0a3351d..961d4dc 100644
--- a/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/TaskbarEduTooltipControllerTest.kt
+++ b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/TaskbarEduTooltipControllerTest.kt
@@ -14,12 +14,18 @@
  * limitations under the License.
  */
 
-package com.android.launcher3.taskbar
+package com.android.launcher3.taskbar.test
 
 import android.util.Log
 import androidx.test.platform.app.InstrumentationRegistry
 import com.android.launcher3.Utilities
+import com.android.launcher3.taskbar.TOOLTIP_STEP_FEATURES
+import com.android.launcher3.taskbar.TOOLTIP_STEP_NONE
+import com.android.launcher3.taskbar.TOOLTIP_STEP_PINNING
+import com.android.launcher3.taskbar.TOOLTIP_STEP_SWIPE
+import com.android.launcher3.taskbar.TaskbarActivityContext
 import com.android.launcher3.taskbar.TaskbarControllerTestUtil.runOnMainSync
+import com.android.launcher3.taskbar.TaskbarEduTooltipController
 import com.android.launcher3.taskbar.rules.TaskbarModeRule
 import com.android.launcher3.taskbar.rules.TaskbarModeRule.Mode.PINNED
 import com.android.launcher3.taskbar.rules.TaskbarModeRule.Mode.THREE_BUTTONS
@@ -51,25 +57,25 @@
             InstrumentationRegistry.getInstrumentation().targetContext
         )
 
-    @get:Rule
+    @get:Rule(order = 0)
     val tooltipStepPreferenceRule =
         TaskbarPreferenceRule(
             context,
             OnboardingPrefs.TASKBAR_EDU_TOOLTIP_STEP.prefItem,
         )
 
-    @get:Rule
+    @get:Rule(order = 1)
     val searchEduPreferenceRule =
         TaskbarPreferenceRule(
             context,
             OnboardingPrefs.TASKBAR_SEARCH_EDU_SEEN,
         )
 
-    @get:Rule val taskbarPinningPreferenceRule = TaskbarPinningPreferenceRule(context)
+    @get:Rule(order = 2) val taskbarPinningPreferenceRule = TaskbarPinningPreferenceRule(context)
 
-    @get:Rule val taskbarModeRule = TaskbarModeRule(context)
+    @get:Rule(order = 3) val taskbarModeRule = TaskbarModeRule(context)
 
-    @get:Rule val taskbarUnitTestRule = TaskbarUnitTestRule(this, context)
+    @get:Rule(order = 4) val taskbarUnitTestRule = TaskbarUnitTestRule(this, context)
 
     @InjectController lateinit var taskbarEduTooltipController: TaskbarEduTooltipController
 
diff --git a/quickstep/tests/src/com/android/quickstep/TaplStartLauncherViaGestureTests.java b/quickstep/tests/src/com/android/quickstep/TaplStartLauncherViaGestureTests.java
index 1886ce6..a8f39af 100644
--- a/quickstep/tests/src/com/android/quickstep/TaplStartLauncherViaGestureTests.java
+++ b/quickstep/tests/src/com/android/quickstep/TaplStartLauncherViaGestureTests.java
@@ -31,6 +31,10 @@
 
     static final int STRESS_REPEAT_COUNT = 10;
 
+    private enum TestCase {
+        TO_HOME, TO_OVERVIEW,
+    }
+
     @Override
     @Before
     public void setUp() throws Exception {
@@ -41,28 +45,55 @@
     }
 
     @Test
-    @NavigationModeSwitch
+    @NavigationModeSwitch(mode = NavigationModeSwitchRule.Mode.THREE_BUTTON)
     public void testStressPressHome() {
-        for (int i = 0; i < STRESS_REPEAT_COUNT; ++i) {
-            // Destroy Launcher activity.
-            closeLauncherActivity();
-
-            // The test action.
-            mLauncher.goHome();
-        }
+        runTest(TestCase.TO_HOME);
     }
 
     @Test
-    @NavigationModeSwitch
+    @NavigationModeSwitch(mode = NavigationModeSwitchRule.Mode.ZERO_BUTTON)
+    public void testStressSwipeHome() {
+        runTest(TestCase.TO_HOME);
+    }
+
+    @Test
+    @NavigationModeSwitch(mode = NavigationModeSwitchRule.Mode.THREE_BUTTON)
+    public void testStressPressOverview() {
+        runTest(TestCase.TO_OVERVIEW);
+    }
+
+    @Test
+    @NavigationModeSwitch(mode = NavigationModeSwitchRule.Mode.ZERO_BUTTON)
     public void testStressSwipeToOverview() {
+        runTest(TestCase.TO_OVERVIEW);
+    }
+
+    private void runTest(TestCase testCase) {
         for (int i = 0; i < STRESS_REPEAT_COUNT; ++i) {
             // Destroy Launcher activity.
             closeLauncherActivity();
 
             // The test action.
-            mLauncher.getLaunchedAppState().switchToOverview();
+            switch (testCase) {
+                case TO_OVERVIEW:
+                    mLauncher.getLaunchedAppState().switchToOverview();
+                    break;
+                case TO_HOME:
+                    mLauncher.goHome();
+                    break;
+                default:
+                    throw new IllegalStateException("Cannot run test case: " + testCase);
+            }
         }
-        closeLauncherActivity();
-        mLauncher.goHome();
+        switch (testCase) {
+            case TO_OVERVIEW:
+                closeLauncherActivity();
+                mLauncher.goHome();
+                break;
+            case TO_HOME:
+            default:
+                // No-Op
+                break;
+        }
     }
 }
diff --git a/quickstep/tests/src/com/android/quickstep/TaplTestsOverviewDesktop.kt b/quickstep/tests/src/com/android/quickstep/TaplTestsOverviewDesktop.kt
new file mode 100644
index 0000000..694a382
--- /dev/null
+++ b/quickstep/tests/src/com/android/quickstep/TaplTestsOverviewDesktop.kt
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * 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.
+ */
+package com.android.quickstep
+
+import android.platform.test.rule.AllowedDevices
+import android.platform.test.rule.DeviceProduct
+import android.platform.test.rule.IgnoreLimit
+import androidx.test.uiautomator.By
+import androidx.test.uiautomator.Until
+import com.android.launcher3.BuildConfig
+import com.android.launcher3.ui.AbstractLauncherUiTest
+import com.android.launcher3.ui.PortraitLandscapeRunner.PortraitLandscape
+import com.android.launcher3.uioverrides.QuickstepLauncher
+import com.google.common.truth.Truth.assertWithMessage
+import org.junit.Before
+import org.junit.Test
+
+/** Test Desktop windowing in Overview. */
+@AllowedDevices(allowed = [DeviceProduct.CF_TABLET, DeviceProduct.TANGORPRO])
+@IgnoreLimit(ignoreLimit = BuildConfig.IS_STUDIO_BUILD)
+class TaplTestsOverviewDesktop : AbstractLauncherUiTest<QuickstepLauncher?>() {
+    @Before
+    fun setup() {
+        val overview = mLauncher.goHome().switchToOverview()
+        if (overview.hasTasks()) {
+            overview.dismissAllTasks()
+        }
+        startTestAppsWithCheck()
+        mLauncher.goHome()
+    }
+
+    @Test
+    @PortraitLandscape
+    fun enterDesktopViaOverviewMenu() {
+        // Move last launched TEST_ACTIVITY_2 into Desktop
+        mLauncher.workspace
+            .switchToOverview()
+            .getTestActivityTask(TEST_ACTIVITY_2)
+            .tapMenu()
+            .tapDesktopMenuItem()
+        assertTestAppLaunched(TEST_ACTIVITY_2)
+
+        // Scroll back to TEST_ACTIVITY_1, then move it into Desktop
+        mLauncher
+            .goHome()
+            .switchToOverview()
+            .apply { flingForward() }
+            .getTestActivityTask(TEST_ACTIVITY_1)
+            .tapMenu()
+            .tapDesktopMenuItem()
+        TEST_ACTIVITIES.forEach { assertTestAppLaunched(it) }
+
+        // Launch static DesktopTaskView
+        val desktop =
+            mLauncher.goHome().switchToOverview().getTestActivityTask(TEST_ACTIVITIES).open()
+        TEST_ACTIVITIES.forEach { assertTestAppLaunched(it) }
+
+        // Launch live-tile DesktopTaskView
+        desktop.switchToOverview().getTestActivityTask(TEST_ACTIVITIES).open()
+        TEST_ACTIVITIES.forEach { assertTestAppLaunched(it) }
+    }
+
+    private fun startTestAppsWithCheck() {
+        TEST_ACTIVITIES.forEach {
+            startTestActivity(it)
+            executeOnLauncher { launcher ->
+                assertWithMessage(
+                        "Launcher activity is the top activity; expecting TestActivity$it"
+                    )
+                    .that(isInLaunchedApp(launcher))
+                    .isTrue()
+            }
+        }
+    }
+
+    private fun assertTestAppLaunched(index: Int) {
+        assertWithMessage("TestActivity$index not opened in Desktop")
+            .that(
+                mDevice.wait(
+                    Until.hasObject(By.pkg(getAppPackageName()).text("TestActivity$index")),
+                    DEFAULT_UI_TIMEOUT
+                )
+            )
+            .isTrue()
+    }
+
+    companion object {
+        const val TEST_ACTIVITY_1 = 2
+        const val TEST_ACTIVITY_2 = 3
+        val TEST_ACTIVITIES = listOf(TEST_ACTIVITY_1, TEST_ACTIVITY_2)
+    }
+}
diff --git a/quickstep/tests/src/com/android/quickstep/TaskViewTest.java b/quickstep/tests/src/com/android/quickstep/TaskViewTest.java
index 512557b..dc1da69 100644
--- a/quickstep/tests/src/com/android/quickstep/TaskViewTest.java
+++ b/quickstep/tests/src/com/android/quickstep/TaskViewTest.java
@@ -88,18 +88,6 @@
     }
 
     @Test
-    public void showBorderOnHoverEvent() {
-        mTaskView.setBorderEnabled(/* enabled= */ true);
-        MotionEvent event = MotionEvent.obtain(0, 0, MotionEvent.ACTION_HOVER_ENTER, 0.0f, 0.0f, 0);
-        mTaskView.onHoverEvent(MotionEvent.obtain(event));
-        verify(mHoverAnimator, times(1)).setBorderVisibility(/* visible= */ true, /* animated= */
-                true);
-        mTaskView.onFocusChanged(true, 0, new Rect());
-        verify(mFocusAnimator, times(1)).setBorderVisibility(/* visible= */ true, /* animated= */
-                true);
-    }
-
-    @Test
     public void showBorderOnBorderEnabled() {
         presetBorderStatus(/* enabled= */ false);
         mTaskView.setBorderEnabled(/* enabled= */ true);
diff --git a/tests/Android.bp b/tests/Android.bp
index e51242f..c99f656 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -71,6 +71,9 @@
 // Library with all the dependencies for building quickstep
 android_library {
     name: "Launcher3TestLib",
+    defaults: [
+        "launcher_compose_tests_defaults",
+    ],
     srcs: [],
     asset_dirs: ["assets"],
     resource_dirs: ["res"],
@@ -112,6 +115,9 @@
 
 android_test {
     name: "Launcher3Tests",
+    defaults: [
+        "launcher_compose_tests_defaults",
+    ],
     srcs: [
         ":launcher-tests-src",
         ":launcher-non-quickstep-tests-src",
diff --git a/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java b/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
index 1e2744c..749a75a 100644
--- a/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
+++ b/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
@@ -43,6 +43,7 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.platform.test.flag.junit.SetFlagsRule;
+import android.platform.test.rule.LimitDevicesRule;
 import android.system.OsConstants;
 import android.util.Log;
 
@@ -222,6 +223,9 @@
     @Rule
     public ExtendedLongPressTimeoutRule mLongPressTimeoutRule = new ExtendedLongPressTimeoutRule();
 
+    @Rule
+    public LimitDevicesRule mlimitDevicesRule = new LimitDevicesRule();
+
     public static void initialize(AbstractLauncherUiTest test) throws Exception {
         test.reinitializeLauncherData();
         test.mDevice.pressHome();
diff --git a/tests/tapl/com/android/launcher3/tapl/Background.java b/tests/tapl/com/android/launcher3/tapl/Background.java
index 988aa94..b7ebfcd 100644
--- a/tests/tapl/com/android/launcher3/tapl/Background.java
+++ b/tests/tapl/com/android/launcher3/tapl/Background.java
@@ -16,7 +16,7 @@
 
 package com.android.launcher3.tapl;
 
-import static com.android.launcher3.tapl.BaseOverview.TASK_RES_ID;
+import static com.android.launcher3.tapl.BaseOverview.TASK_SELECTOR;
 import static com.android.launcher3.tapl.OverviewTask.TASK_START_EVENT;
 import static com.android.launcher3.testing.shared.TestProtocol.OVERVIEW_STATE_ORDINAL;
 
@@ -117,10 +117,10 @@
                         // non-tablet overview, snapshots can be on either side of the swiped
                         // task, but we still check that they become visible after swiping and
                         // pausing.
-                        mLauncher.waitForOverviewObject(TASK_RES_ID);
+                        mLauncher.waitForObjectBySelector(TASK_SELECTOR);
                         if (mLauncher.isTablet()) {
                             List<UiObject2> tasks = mLauncher.getDevice().findObjects(
-                                    mLauncher.getOverviewObjectSelector(TASK_RES_ID));
+                                    TASK_SELECTOR);
                             final int centerX = mLauncher.getDevice().getDisplayWidth() / 2;
                             mLauncher.assertTrue(
                                     "All tasks not to the left of the swiped task",
diff --git a/tests/tapl/com/android/launcher3/tapl/BaseOverview.java b/tests/tapl/com/android/launcher3/tapl/BaseOverview.java
index 567a8bd..e71b49f 100644
--- a/tests/tapl/com/android/launcher3/tapl/BaseOverview.java
+++ b/tests/tapl/com/android/launcher3/tapl/BaseOverview.java
@@ -19,7 +19,9 @@
 import static android.view.KeyEvent.KEYCODE_ESCAPE;
 
 import static com.android.launcher3.tapl.LauncherInstrumentation.TASKBAR_RES_ID;
+import static com.android.launcher3.tapl.LauncherInstrumentation.log;
 import static com.android.launcher3.tapl.OverviewTask.TASK_START_EVENT;
+import static com.android.launcher3.tapl.TestHelpers.getOverviewPackageName;
 import static com.android.launcher3.testing.shared.TestProtocol.NORMAL_STATE_ORDINAL;
 
 import android.graphics.Rect;
@@ -35,9 +37,11 @@
 
 import com.android.launcher3.testing.shared.TestProtocol;
 
+import java.util.Collection;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.List;
+import java.util.Optional;
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 
@@ -46,7 +50,9 @@
  */
 public class BaseOverview extends LauncherInstrumentation.VisibleContainer {
     private static final String TAG = "BaseOverview";
-    protected static final String TASK_RES_ID = "task";
+    protected static final BySelector TASK_SELECTOR = By.res(Pattern.compile(
+            getOverviewPackageName()
+                    + ":id/(task_view_single|task_view_grouped|task_view_desktop)"));
     private static final Pattern EVENT_ALT_ESC_UP = Pattern.compile(
             "Key event: KeyEvent.*?action=ACTION_UP.*?keyCode=KEYCODE_ESCAPE.*?metaState=0");
     private static final Pattern EVENT_ENTER_DOWN = Pattern.compile(
@@ -56,10 +62,22 @@
 
     private static final int FLINGS_FOR_DISMISS_LIMIT = 40;
 
+    private final @Nullable UiObject2 mLiveTileTask;
+
+
     BaseOverview(LauncherInstrumentation launcher) {
+        this(launcher, /*launchedFromApp=*/false);
+    }
+
+    BaseOverview(LauncherInstrumentation launcher, boolean launchedFromApp) {
         super(launcher);
         verifyActiveContainer();
         verifyActionsViewVisibility();
+        if (launchedFromApp) {
+            mLiveTileTask = getCurrentTaskUnchecked();
+        } else {
+            mLiveTileTask = null;
+        }
     }
 
     @Override
@@ -79,7 +97,7 @@
     private void flingForwardImpl() {
         try (LauncherInstrumentation.Closable c =
                      mLauncher.addContextLayer("want to fling forward in overview")) {
-            LauncherInstrumentation.log("Overview.flingForward before fling");
+            log("Overview.flingForward before fling");
             final UiObject2 overview = verifyActiveContainer();
             final int leftMargin =
                     mLauncher.getTargetInsets().left + mLauncher.getEdgeSensitivityWidth();
@@ -105,7 +123,7 @@
     private void flingBackwardImpl() {
         try (LauncherInstrumentation.Closable c =
                      mLauncher.addContextLayer("want to fling backward in overview")) {
-            LauncherInstrumentation.log("Overview.flingBackward before fling");
+            log("Overview.flingBackward before fling");
             final UiObject2 overview = verifyActiveContainer();
             final int rightMargin =
                     mLauncher.getTargetInsets().right + mLauncher.getEdgeSensitivityWidth();
@@ -276,37 +294,56 @@
      */
     @NonNull
     public OverviewTask getCurrentTask() {
+        UiObject2 currentTask = getCurrentTaskUnchecked();
+        mLauncher.assertNotNull("Unable to find a task", currentTask);
+        return new OverviewTask(mLauncher, currentTask, this);
+    }
+
+    @Nullable
+    private UiObject2 getCurrentTaskUnchecked() {
         final List<UiObject2> taskViews = getTasks();
-        mLauncher.assertNotEquals("Unable to find a task", 0, taskViews.size());
+        if (taskViews.isEmpty()) {
+            return null;
+        }
 
         // The widest, and most top-right task should be the current task
-        UiObject2 currentTask = Collections.max(taskViews,
+        return Collections.max(taskViews,
                 Comparator.comparingInt((UiObject2 t) -> t.getVisibleBounds().width())
                         .thenComparingInt((UiObject2 t) -> t.getVisibleCenter().x)
                         .thenComparing(Comparator.comparing(
                                 (UiObject2 t) -> t.getVisibleCenter().y).reversed()));
-        return new OverviewTask(mLauncher, currentTask, this);
     }
 
-    /** Returns an overview task matching TestActivity {@param activityNumber}. */
+    /**
+     * Returns an overview task that contains the specified test activity in its thumbnails.
+     *
+     * @param activityIndex index of TestActivity to match against
+     */
     @NonNull
-    public OverviewTask getTestActivityTask(int activityNumber) {
+    public OverviewTask getTestActivityTask(int activityIndex) {
+        return getTestActivityTask(Collections.singleton(activityIndex));
+    }
+
+    /**
+     * Returns an overview task that contains all the specified test activities in its thumbnails.
+     *
+     * @param activityNumbers collection of indices of TestActivity to match against
+     */
+    @NonNull
+    public OverviewTask getTestActivityTask(Collection<Integer> activityNumbers) {
         final List<UiObject2> taskViews = getTasks();
         mLauncher.assertNotEquals("Unable to find a task", 0, taskViews.size());
 
-        final String activityName = "TestActivity" + activityNumber;
-        UiObject2 task = null;
-        for (UiObject2 taskView : taskViews) {
-            // TODO(b/239452415): Use equals instead of descEndsWith
-            if (taskView.getParent().hasObject(By.descEndsWith(activityName))) {
-                task = taskView;
-                break;
-            }
-        }
-        mLauncher.assertNotNull(
-                "Unable to find a task with " + activityName + " from the task list", task);
+        Optional<UiObject2> task = taskViews.stream().filter(
+                taskView -> activityNumbers.stream().allMatch(activityNumber ->
+                    // TODO(b/239452415): Use equals instead of descEndsWith
+                    taskView.hasObject(By.descEndsWith("TestActivity" + activityNumber))
+                )).findFirst();
 
-        return new OverviewTask(mLauncher, task, this);
+        mLauncher.assertTrue("Unable to find a task with test activities " + activityNumbers
+                + " from the task list", task.isPresent());
+
+        return new OverviewTask(mLauncher, task.get(), this);
     }
 
     /**
@@ -328,8 +365,7 @@
         try (LauncherInstrumentation.Closable c = mLauncher.addContextLayer(
                 "want to get overview tasks")) {
             verifyActiveContainer();
-            return mLauncher.getDevice().findObjects(
-                    mLauncher.getOverviewObjectSelector(TASK_RES_ID));
+            return mLauncher.getDevice().findObjects(TASK_SELECTOR);
         }
     }
 
@@ -506,4 +542,10 @@
         }
         return null;
     }
+
+    protected boolean isLiveTile(UiObject2 task) {
+        // UiObject2.equals returns false even when mLiveTileTask and task have the same node, hence
+        // compare only hashCode as a workaround.
+        return mLiveTileTask != null && mLiveTileTask.hashCode() == task.hashCode();
+    }
 }
diff --git a/tests/tapl/com/android/launcher3/tapl/LaunchedAppState.java b/tests/tapl/com/android/launcher3/tapl/LaunchedAppState.java
index 200f2ff..b3ad930 100644
--- a/tests/tapl/com/android/launcher3/tapl/LaunchedAppState.java
+++ b/tests/tapl/com/android/launcher3/tapl/LaunchedAppState.java
@@ -33,6 +33,7 @@
 import android.view.MotionEvent;
 import android.view.ViewConfiguration;
 
+import androidx.annotation.NonNull;
 import androidx.test.uiautomator.Condition;
 import androidx.test.uiautomator.UiDevice;
 
@@ -75,6 +76,20 @@
         return false;
     }
 
+    @NonNull
+    @Override
+    public BaseOverview switchToOverview() {
+        try (LauncherInstrumentation.Closable ignored = mLauncher.eventsCheck();
+             LauncherInstrumentation.Closable ignored1 = mLauncher.addContextLayer(
+                     "want to switch from background to overview")) {
+            verifyActiveContainer();
+            goToOverviewUnchecked();
+            return mLauncher.is3PLauncher()
+                    ? new BaseOverview(mLauncher, /*launchedFromApp=*/true)
+                    : new Overview(mLauncher, /*launchedFromApp=*/true);
+        }
+    }
+
     /**
      * Returns the taskbar.
      *
diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index 75c1b24..a874062 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -1585,7 +1585,7 @@
         return objects;
     }
 
-    private UiObject2 waitForObjectBySelector(BySelector selector) {
+    UiObject2 waitForObjectBySelector(BySelector selector) {
         Log.d(TEST_DRAG_APP_ICON_TO_MULTIPLE_WORKSPACES_FAILURE,
                 "LauncherInstrumentation.waitForObjectBySelector");
         final UiObject2 object = mDevice.wait(Until.findObject(selector), WAIT_TIME_MS);
diff --git a/tests/tapl/com/android/launcher3/tapl/Overview.java b/tests/tapl/com/android/launcher3/tapl/Overview.java
index 50c2136..deb27e4 100644
--- a/tests/tapl/com/android/launcher3/tapl/Overview.java
+++ b/tests/tapl/com/android/launcher3/tapl/Overview.java
@@ -22,9 +22,12 @@
  * Overview pane.
  */
 public class Overview extends BaseOverview {
-
     Overview(LauncherInstrumentation launcher) {
-        super(launcher);
+        this(launcher, /*launchedFromApp=*/false);
+    }
+
+    Overview(LauncherInstrumentation launcher, boolean launchedFromApp) {
+        super(launcher, launchedFromApp);
     }
 
     @Override
diff --git a/tests/tapl/com/android/launcher3/tapl/OverviewTask.java b/tests/tapl/com/android/launcher3/tapl/OverviewTask.java
index 6f420af..7a8ab49 100644
--- a/tests/tapl/com/android/launcher3/tapl/OverviewTask.java
+++ b/tests/tapl/com/android/launcher3/tapl/OverviewTask.java
@@ -40,16 +40,23 @@
 public final class OverviewTask {
     private static final String SYSTEMUI_PACKAGE = "com.android.systemui";
     static final Pattern TASK_START_EVENT = Pattern.compile("startActivityFromRecentsAsync");
+    static final Pattern TASK_START_EVENT_DESKTOP = Pattern.compile("launchDesktopFromRecents");
+    static final Pattern TASK_START_EVENT_LIVE_TILE = Pattern.compile(
+            "composeRecentsLaunchAnimator");
     static final Pattern SPLIT_SELECT_EVENT = Pattern.compile("enterSplitSelect");
     static final Pattern SPLIT_START_EVENT = Pattern.compile("launchSplitTasks");
     private final LauncherInstrumentation mLauncher;
+    @NonNull
     private final UiObject2 mTask;
+    private final TaskViewType mType;
     private final BaseOverview mOverview;
 
-    OverviewTask(LauncherInstrumentation launcher, UiObject2 task, BaseOverview overview) {
+    OverviewTask(LauncherInstrumentation launcher, @NonNull UiObject2 task, BaseOverview overview) {
         mLauncher = launcher;
+        mLauncher.assertNotNull("task must not be null", task);
         mTask = task;
         mOverview = overview;
+        mType = getType();
         verifyActiveContainer();
     }
 
@@ -220,7 +227,22 @@
                     return new LaunchedAppState(mLauncher);
                 }
             } else {
-                mLauncher.expectEvent(TestProtocol.SEQUENCE_MAIN, TASK_START_EVENT);
+                final Pattern event;
+                if (mOverview.isLiveTile(mTask)) {
+                    event = TASK_START_EVENT_LIVE_TILE;
+                } else if (mType == TaskViewType.DESKTOP) {
+                    event = TASK_START_EVENT_DESKTOP;
+                } else {
+                    event = TASK_START_EVENT;
+                }
+                mLauncher.expectEvent(TestProtocol.SEQUENCE_MAIN, event);
+
+                if (mType == TaskViewType.DESKTOP) {
+                    try (LauncherInstrumentation.Closable ignored = mLauncher.addContextLayer(
+                            "launched desktop")) {
+                        mLauncher.waitForSystemUiObject("desktop_mode_caption");
+                    }
+                }
                 return new LaunchedAppState(mLauncher);
             }
         }
@@ -273,6 +295,17 @@
         return actual.contains(expected);
     }
 
+    private TaskViewType getType() {
+        String resourceName = mTask.getResourceName();
+        if (resourceName.endsWith("task_view_grouped")) {
+            return TaskViewType.GROUPED;
+        } else if (resourceName.endsWith("task_view_desktop")) {
+            return TaskViewType.DESKTOP;
+        } else {
+            return TaskViewType.SINGLE;
+        }
+    }
+
     /**
      * Enum used to specify  which task is retrieved when it is a split task.
      */
@@ -292,4 +325,10 @@
             this.iconAppRes = iconAppRes;
         }
     }
+
+    private enum TaskViewType {
+        SINGLE,
+        GROUPED,
+        DESKTOP
+    }
 }
diff --git a/tests/tapl/com/android/launcher3/tapl/OverviewTaskMenu.java b/tests/tapl/com/android/launcher3/tapl/OverviewTaskMenu.java
index 902ad5b..90d32f3 100644
--- a/tests/tapl/com/android/launcher3/tapl/OverviewTaskMenu.java
+++ b/tests/tapl/com/android/launcher3/tapl/OverviewTaskMenu.java
@@ -97,6 +97,29 @@
         }
     }
 
+    /**
+     * Taps the Desktop item from the overview task menu and returns the LaunchedAppState
+     * representing the Desktop.
+     */
+    @NonNull
+    public LaunchedAppState tapDesktopMenuItem() {
+        try (LauncherInstrumentation.Closable ignored = mLauncher.eventsCheck();
+             LauncherInstrumentation.Closable ignored1 = mLauncher.addContextLayer(
+                     "before tapping the desktop menu item")) {
+            mLauncher.executeAndWaitForLauncherStop(
+                    () -> mLauncher.clickLauncherObject(
+                            mLauncher.findObjectInContainer(mMenu, By.text("Desktop"))),
+                    "tapped desktop menu item");
+
+            try (LauncherInstrumentation.Closable ignored2 = mLauncher.addContextLayer(
+                    "tapped desktop menu item")) {
+                mLauncher.waitUntilSystemLauncherObjectGone("overview_panel");
+                mLauncher.waitForSystemUiObject("desktop_mode_caption");
+                return new LaunchedAppState(mLauncher);
+            }
+        }
+    }
+
     /** Returns true if an item matching the given string is present in the menu. */
     public boolean hasMenuItem(String expectedMenuItemText) {
         UiObject2 menuItem = mLauncher.findObjectInContainer(mMenu, By.text(expectedMenuItemText));
@@ -104,14 +127,6 @@
     }
 
     /**
-     * Returns the menu item specified by name if present.
-     */
-    public OverviewTaskMenuItem getMenuItemByName(String menuItemName) {
-        return new OverviewTaskMenuItem(mLauncher,
-                mLauncher.waitForObjectInContainer(mMenu, By.text(menuItemName)));
-    }
-
-    /**
      * Taps outside task menu to dismiss it.
      */
     public void touchOutsideTaskMenuToDismiss() {
diff --git a/tests/tapl/com/android/launcher3/tapl/OverviewTaskMenuItem.java b/tests/tapl/com/android/launcher3/tapl/OverviewTaskMenuItem.java
deleted file mode 100644
index e3035bf..0000000
--- a/tests/tapl/com/android/launcher3/tapl/OverviewTaskMenuItem.java
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Copyright (C) 2023 The Android Open Source Project
- *
- * 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.
- */
-package com.android.launcher3.tapl;
-
-import android.graphics.Rect;
-
-import androidx.test.uiautomator.UiObject2;
-
-/** Represents an item in the overview task menu. */
-public class OverviewTaskMenuItem {
-
-    private final LauncherInstrumentation mLauncher;
-    private final UiObject2 mMenuItem;
-
-    OverviewTaskMenuItem(LauncherInstrumentation launcher, UiObject2 menuItem) {
-        mLauncher = launcher;
-        mMenuItem = menuItem;
-    }
-
-    /**
-     * Returns this menu item's visible bounds.
-     */
-    public Rect getVisibleBounds() {
-        return mMenuItem.getVisibleBounds();
-    }
-}