diff --git a/Android.bp b/Android.bp
index 13a926b..962f269 100644
--- a/Android.bp
+++ b/Android.bp
@@ -190,7 +190,7 @@
     ],
 
     optimize: {
-        proguard_flags_files: ["proguard.flags"],
+        proguard_flags_files: [":launcher-proguard-rules"],
         // Proguard is disable for testing. Derivarive prjects to keep proguard enabled
         enabled: false,
     },
@@ -302,7 +302,9 @@
 
     static_libs: ["Launcher3QuickStepLib"],
     optimize: {
-        enabled: false,
+        proguard_flags_files: [":launcher-proguard-rules"],
+        enabled: true,
+        shrink_resources: true,
     },
 
     platform_apis: true,
@@ -349,6 +351,7 @@
     optimize: {
         proguard_flags_files: ["proguard.flags"],
         enabled: true,
+        shrink_resources: true,
     },
 
     privileged: true,
@@ -385,6 +388,7 @@
     optimize: {
         proguard_flags_files: ["proguard.flags"],
         enabled: true,
+        shrink_resources: true,
     },
 
     privileged: true,
diff --git a/quickstep/res/layout/task.xml b/quickstep/res/layout/task.xml
index cc3b30e..46c1332 100644
--- a/quickstep/res/layout/task.xml
+++ b/quickstep/res/layout/task.xml
@@ -28,7 +28,7 @@
     launcher:focusBorderColor="?androidprv:attr/materialColorOutline"
     launcher:hoverBorderColor="?androidprv:attr/materialColorPrimary">
 
-    <include layout="@layout/task_thumbnail" />
+    <include layout="@layout/task_thumbnail_deprecated" />
 
     <!-- Filtering affects only alpha instead of the visibility since visibility can be altered
          separately through RecentsView#resetFromSplitSelectionState() -->
diff --git a/quickstep/res/layout/task_grouped.xml b/quickstep/res/layout/task_grouped.xml
index 87a0f70..708aa3c 100644
--- a/quickstep/res/layout/task_grouped.xml
+++ b/quickstep/res/layout/task_grouped.xml
@@ -33,9 +33,9 @@
     launcher:focusBorderColor="?androidprv:attr/materialColorOutline"
     launcher:hoverBorderColor="?androidprv:attr/materialColorPrimary">
 
-    <include layout="@layout/task_thumbnail"/>
+    <include layout="@layout/task_thumbnail_deprecated"/>
 
-    <include layout="@layout/task_thumbnail"
+    <include layout="@layout/task_thumbnail_deprecated"
         android:id="@+id/bottomright_snapshot" />
 
     <!-- Filtering affects only alpha instead of the visibility since visibility can be altered
diff --git a/quickstep/res/layout/task_thumbnail.xml b/quickstep/res/layout/task_thumbnail.xml
index f1a3d62..34640e6 100644
--- a/quickstep/res/layout/task_thumbnail.xml
+++ b/quickstep/res/layout/task_thumbnail.xml
@@ -13,8 +13,29 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
-<com.android.quickstep.views.TaskThumbnailViewDeprecated
+<com.android.quickstep.task.thumbnail.TaskThumbnailView
     xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/snapshot"
     android:layout_width="match_parent"
-    android:layout_height="match_parent" />
\ No newline at end of file
+    android:layout_height="match_parent">
+
+    <ImageView
+        android:id="@+id/task_thumbnail"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:importantForAccessibility="no"
+        android:visibility="gone"/>
+
+    <com.android.quickstep.task.thumbnail.LiveTileView
+        android:id="@+id/task_thumbnail_live_tile"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:visibility="gone"/>
+
+    <View
+        android:id="@+id/task_thumbnail_scrim"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="@color/overview_foreground_scrim_color"
+        android:alpha="0" />
+
+</com.android.quickstep.task.thumbnail.TaskThumbnailView>
\ No newline at end of file
diff --git a/quickstep/res/layout/task_thumbnail_deprecated.xml b/quickstep/res/layout/task_thumbnail_deprecated.xml
new file mode 100644
index 0000000..f1a3d62
--- /dev/null
+++ b/quickstep/res/layout/task_thumbnail_deprecated.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+     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.
+-->
+<com.android.quickstep.views.TaskThumbnailViewDeprecated
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/snapshot"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent" />
\ No newline at end of file
diff --git a/quickstep/res/raw-h480dp/all_set_page_bg.json b/quickstep/res/raw-h480dp/all_set_page_bg.json
deleted file mode 100644
index f2998a0..0000000
--- a/quickstep/res/raw-h480dp/all_set_page_bg.json
+++ /dev/null
@@ -1 +0,0 @@
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\ No newline at end of file
diff --git a/quickstep/res/raw-sw600dp-land/all_set_page_bg.json b/quickstep/res/raw-sw600dp-land/all_set_page_bg.json
deleted file mode 100644
index 63b64da..0000000
--- a/quickstep/res/raw-sw600dp-land/all_set_page_bg.json
+++ /dev/null
@@ -1 +0,0 @@
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\ No newline at end of file
diff --git a/quickstep/res/raw-sw600dp/all_set_page_bg.json b/quickstep/res/raw-sw600dp/all_set_page_bg.json
deleted file mode 100644
index f2998a0..0000000
--- a/quickstep/res/raw-sw600dp/all_set_page_bg.json
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rename from quickstep/res/raw-land/all_set_page_bg.json
rename to quickstep/res/raw-w840dp/all_set_page_bg.json
diff --git a/quickstep/src/com/android/launcher3/WidgetPickerActivity.java b/quickstep/src/com/android/launcher3/WidgetPickerActivity.java
index 8984086..44d8a5c 100644
--- a/quickstep/src/com/android/launcher3/WidgetPickerActivity.java
+++ b/quickstep/src/com/android/launcher3/WidgetPickerActivity.java
@@ -20,6 +20,7 @@
 import static android.view.WindowInsets.Type.navigationBars;
 import static android.view.WindowInsets.Type.statusBars;
 
+import static com.android.launcher3.Flags.enablePredictiveBackGesture;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
 
@@ -33,6 +34,9 @@
 import android.view.View;
 import android.view.WindowInsetsController;
 import android.view.WindowManager;
+import android.window.BackEvent;
+import android.window.OnBackAnimationCallback;
+import android.window.OnBackInvokedDispatcher;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -124,6 +128,8 @@
     /** A set of user ids that should be filtered out from the selected widgets. */
     @NonNull
     Set<Integer> mFilteredUserIds = new HashSet<>();
+    @Nullable
+    private WidgetsFullSheet mWidgetSheet;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -148,6 +154,18 @@
         refreshAndBindWidgets();
     }
 
+    @Override
+    protected void registerBackDispatcher() {
+        if (!enablePredictiveBackGesture()) {
+            super.registerBackDispatcher();
+            return;
+        }
+
+        getOnBackInvokedDispatcher().registerOnBackInvokedCallback(
+                OnBackInvokedDispatcher.PRIORITY_DEFAULT,
+                new BackAnimationCallback());
+    }
+
     private void parseIntentExtras() {
         mTitle = getIntent().getStringExtra(EXTRA_PICKER_TITLE);
         mDescription = getIntent().getStringExtra(EXTRA_PICKER_DESCRIPTION);
@@ -293,12 +311,12 @@
         MAIN_EXECUTOR.execute(() -> mPopupDataProvider.setAllWidgets(widgets));
     }
 
-    private void openWidgetsSheet() {
+   private void openWidgetsSheet() {
         MAIN_EXECUTOR.execute(() -> {
-            WidgetsFullSheet widgetSheet = WidgetsFullSheet.show(this, true);
-            widgetSheet.mayUpdateTitleAndDescription(mTitle, mDescription);
-            widgetSheet.disableNavBarScrim(true);
-            widgetSheet.addOnCloseListener(this::finish);
+            mWidgetSheet = WidgetsFullSheet.show(this, true);
+            mWidgetSheet.mayUpdateTitleAndDescription(mTitle, mDescription);
+            mWidgetSheet.disableNavBarScrim(true);
+            mWidgetSheet.addOnCloseListener(this::finish);
         });
     }
 
@@ -317,6 +335,51 @@
         }
     }
 
+    /**
+     * Animation callback for different predictive back animation states for the widget picker.
+     */
+    private class BackAnimationCallback implements OnBackAnimationCallback {
+        @Nullable
+        OnBackAnimationCallback mActiveOnBackAnimationCallback;
+
+        @Override
+        public void onBackStarted(@NonNull BackEvent backEvent) {
+            if (mActiveOnBackAnimationCallback != null) {
+                mActiveOnBackAnimationCallback.onBackCancelled();
+            }
+            if (mWidgetSheet != null) {
+                mActiveOnBackAnimationCallback = mWidgetSheet;
+                mActiveOnBackAnimationCallback.onBackStarted(backEvent);
+            }
+        }
+
+        @Override
+        public void onBackInvoked() {
+            if (mActiveOnBackAnimationCallback == null) {
+                return;
+            }
+            mActiveOnBackAnimationCallback.onBackInvoked();
+            mActiveOnBackAnimationCallback = null;
+        }
+
+        @Override
+        public void onBackProgressed(@NonNull BackEvent backEvent) {
+            if (mActiveOnBackAnimationCallback == null) {
+                return;
+            }
+            mActiveOnBackAnimationCallback.onBackProgressed(backEvent);
+        }
+
+        @Override
+        public void onBackCancelled() {
+            if (mActiveOnBackAnimationCallback == null) {
+                return;
+            }
+            mActiveOnBackAnimationCallback.onBackCancelled();
+            mActiveOnBackAnimationCallback = null;
+        }
+    };
+
     private WidgetAcceptabilityVerdict isWidgetAcceptable(WidgetItem widget) {
         final AppWidgetProviderInfo info = widget.widgetInfo;
         if (info == null) {
diff --git a/quickstep/src/com/android/launcher3/model/WellbeingModel.java b/quickstep/src/com/android/launcher3/model/WellbeingModel.java
index 28bc01c..fb17f15 100644
--- a/quickstep/src/com/android/launcher3/model/WellbeingModel.java
+++ b/quickstep/src/com/android/launcher3/model/WellbeingModel.java
@@ -83,10 +83,8 @@
 
     private final Handler mWorkerHandler;
     private final ContentObserver mContentObserver;
-    private final SimpleBroadcastReceiver mWellbeingAppChangeReceiver =
-            new SimpleBroadcastReceiver(t -> restartObserver());
-    private final SimpleBroadcastReceiver mAppAddRemoveReceiver =
-            new SimpleBroadcastReceiver(this::onAppPackageChanged);
+    private final SimpleBroadcastReceiver mWellbeingAppChangeReceiver;
+    private final SimpleBroadcastReceiver mAppAddRemoveReceiver;
 
     private final Object mModelLock = new Object();
     // Maps the action Id to the corresponding RemoteAction
@@ -101,6 +99,11 @@
         mWorkerHandler = new Handler(TextUtils.isEmpty(mWellbeingProviderPkg)
                 ? Executors.UI_HELPER_EXECUTOR.getLooper()
                 : Executors.getPackageExecutor(mWellbeingProviderPkg).getLooper());
+        mWellbeingAppChangeReceiver =
+                new SimpleBroadcastReceiver(mWorkerHandler, t -> restartObserver());
+        mAppAddRemoveReceiver =
+                new SimpleBroadcastReceiver(mWorkerHandler, this::onAppPackageChanged);
+
 
         mContentObserver = new ContentObserver(mWorkerHandler) {
             @Override
@@ -135,8 +138,8 @@
     public void close() {
         if (!TextUtils.isEmpty(mWellbeingProviderPkg)) {
             mWorkerHandler.post(() -> {
-                mWellbeingAppChangeReceiver.unregisterReceiverSafelySync(mContext);
-                mAppAddRemoveReceiver.unregisterReceiverSafelySync(mContext);
+                mWellbeingAppChangeReceiver.unregisterReceiverSafely(mContext);
+                mAppAddRemoveReceiver.unregisterReceiverSafely(mContext);
                 mContext.getContentResolver().unregisterContentObserver(mContentObserver);
             });
         }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
index b90e5fd..f411e79 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
@@ -39,7 +39,6 @@
 import android.content.ComponentCallbacks;
 import android.content.Context;
 import android.content.Intent;
-import android.content.IntentFilter;
 import android.content.pm.ActivityInfo;
 import android.content.res.Configuration;
 import android.hardware.display.DisplayManager;
@@ -120,7 +119,7 @@
     private final ComponentCallbacks mComponentCallbacks;
 
     private final SimpleBroadcastReceiver mShutdownReceiver =
-            new SimpleBroadcastReceiver(i -> destroyExistingTaskbar());
+            new SimpleBroadcastReceiver(UI_HELPER_EXECUTOR, i -> destroyExistingTaskbar());
 
     // The source for this provider is set when Launcher is available
     // We use 'non-destroyable' version here so the original provider won't be destroyed
@@ -157,7 +156,7 @@
     private boolean mUserUnlocked = false;
 
     private final SimpleBroadcastReceiver mTaskbarBroadcastReceiver =
-            new SimpleBroadcastReceiver(this::showTaskbarFromBroadcast);
+            new SimpleBroadcastReceiver(UI_HELPER_EXECUTOR, this::showTaskbarFromBroadcast);
 
     private final AllAppsActionManager mAllAppsActionManager;
 
@@ -306,17 +305,15 @@
                 .register(NAV_BAR_KIDS_MODE, mOnSettingsChangeListener);
         Log.d(TASKBAR_NOT_DESTROYED_TAG, "registering component callbacks from constructor.");
         mContext.registerComponentCallbacks(mComponentCallbacks);
-        mShutdownReceiver.registerAsync(mContext, Intent.ACTION_SHUTDOWN);
+        mShutdownReceiver.register(mContext, Intent.ACTION_SHUTDOWN);
         UI_HELPER_EXECUTOR.execute(() -> {
             mSharedState.taskbarSystemActionPendingIntent = PendingIntent.getBroadcast(
                     mContext,
                     SYSTEM_ACTION_ID_TASKBAR,
                     new Intent(ACTION_SHOW_TASKBAR).setPackage(mContext.getPackageName()),
                     PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_IMMUTABLE);
-            mContext.registerReceiver(
-                    mTaskbarBroadcastReceiver,
-                    new IntentFilter(ACTION_SHOW_TASKBAR),
-                    RECEIVER_NOT_EXPORTED);
+            mTaskbarBroadcastReceiver.register(
+                    mContext, RECEIVER_NOT_EXPORTED, ACTION_SHOW_TASKBAR);
         });
 
         debugWhyTaskbarNotDestroyed("TaskbarManager created");
@@ -623,7 +620,7 @@
     public void destroy() {
         debugWhyTaskbarNotDestroyed("TaskbarManager#destroy()");
         removeActivityCallbacksAndListeners();
-        mTaskbarBroadcastReceiver.unregisterReceiverSafelyAsync(mContext);
+        mTaskbarBroadcastReceiver.unregisterReceiverSafely(mContext);
         destroyExistingTaskbar();
         removeTaskbarRootViewFromWindow();
         if (mUserUnlocked) {
@@ -635,7 +632,7 @@
                 .unregister(NAV_BAR_KIDS_MODE, mOnSettingsChangeListener);
         Log.d(TASKBAR_NOT_DESTROYED_TAG, "unregistering component callbacks from destroy().");
         mContext.unregisterComponentCallbacks(mComponentCallbacks);
-        mShutdownReceiver.unregisterReceiverSafelyAsync(mContext);
+        mShutdownReceiver.unregisterReceiverSafely(mContext);
     }
 
     public @Nullable TaskbarActivityContext getCurrentActivityContext() {
diff --git a/quickstep/src/com/android/quickstep/BaseContainerInterface.java b/quickstep/src/com/android/quickstep/BaseContainerInterface.java
index b1d511c..3a8c141 100644
--- a/quickstep/src/com/android/quickstep/BaseContainerInterface.java
+++ b/quickstep/src/com/android/quickstep/BaseContainerInterface.java
@@ -42,6 +42,7 @@
 import com.android.launcher3.statemanager.BaseState;
 import com.android.launcher3.taskbar.TaskbarUIController;
 import com.android.launcher3.util.DisplayController;
+import com.android.launcher3.util.WindowBounds;
 import com.android.launcher3.views.ScrimView;
 import com.android.quickstep.orientation.RecentsPagedOrientationHandler;
 import com.android.quickstep.util.ActivityInitListener;
@@ -51,6 +52,7 @@
 import com.android.systemui.shared.recents.model.ThumbnailData;
 
 import java.util.HashMap;
+import java.util.List;
 import java.util.function.Consumer;
 import java.util.function.Predicate;
 
@@ -269,8 +271,11 @@
         } else {
             Rect portraitInsets = dp.getInsets();
             DisplayController displayController = DisplayController.INSTANCE.get(context);
-            Rect deviceRotationInsets = displayController.getInfo().getCurrentBounds().get(
-                    orientationHandler.getRotation()).insets;
+            @Nullable List<WindowBounds> windowBounds =
+                    displayController.getInfo().getCurrentBounds();
+            Rect deviceRotationInsets = windowBounds != null
+                    ? windowBounds.get(orientationHandler.getRotation()).insets
+                    : new Rect();
             // Obtain the landscape/seascape insets, and rotate it to portrait perspective.
             orientationHandler.rotateInsets(deviceRotationInsets, outRect);
             // Then combine with portrait's insets to leave space for status bar/nav bar in
diff --git a/quickstep/src/com/android/quickstep/OverviewComponentObserver.java b/quickstep/src/com/android/quickstep/OverviewComponentObserver.java
index 9c64576..d82426f 100644
--- a/quickstep/src/com/android/quickstep/OverviewComponentObserver.java
+++ b/quickstep/src/com/android/quickstep/OverviewComponentObserver.java
@@ -21,6 +21,7 @@
 import static android.content.Intent.ACTION_PACKAGE_REMOVED;
 
 import static com.android.launcher3.config.FeatureFlags.SEPARATE_RECENTS_ACTIVITY;
+import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.systemui.shared.system.PackageManagerWrapper.ACTION_PREFERRED_ACTIVITY_CHANGED;
 
 import android.content.ActivityNotFoundException;
@@ -55,10 +56,11 @@
 public final class OverviewComponentObserver {
     private static final String TAG = "OverviewComponentObserver";
 
+    // We register broadcast receivers on main thread to avoid missing updates.
     private final SimpleBroadcastReceiver mUserPreferenceChangeReceiver =
-            new SimpleBroadcastReceiver(this::updateOverviewTargets);
+            new SimpleBroadcastReceiver(MAIN_EXECUTOR, this::updateOverviewTargets);
     private final SimpleBroadcastReceiver mOtherHomeAppUpdateReceiver =
-            new SimpleBroadcastReceiver(this::updateOverviewTargets);
+            new SimpleBroadcastReceiver(MAIN_EXECUTOR, this::updateOverviewTargets);
 
     private final Context mContext;
     private final RecentsAnimationDeviceState mDeviceState;
@@ -102,7 +104,7 @@
             mConfigChangesMap.append(fallbackComponent.hashCode(), fallbackInfo.configChanges);
         } catch (PackageManager.NameNotFoundException ignored) { /* Impossible */ }
 
-        mUserPreferenceChangeReceiver.registerAsync(mContext, ACTION_PREFERRED_ACTIVITY_CHANGED);
+        mUserPreferenceChangeReceiver.register(mContext, ACTION_PREFERRED_ACTIVITY_CHANGED);
         updateOverviewTargets();
     }
 
@@ -191,7 +193,7 @@
                 unregisterOtherHomeAppUpdateReceiver();
 
                 mUpdateRegisteredPackage = defaultHome.getPackageName();
-                mOtherHomeAppUpdateReceiver.registerPkgActionsAsync(
+                mOtherHomeAppUpdateReceiver.registerPkgActions(
                         mContext, mUpdateRegisteredPackage, ACTION_PACKAGE_ADDED,
                         ACTION_PACKAGE_CHANGED, ACTION_PACKAGE_REMOVED);
             }
@@ -203,13 +205,13 @@
      * Clean up any registered receivers.
      */
     public void onDestroy() {
-        mUserPreferenceChangeReceiver.unregisterReceiverSafelyAsync(mContext);
+        mUserPreferenceChangeReceiver.unregisterReceiverSafely(mContext);
         unregisterOtherHomeAppUpdateReceiver();
     }
 
     private void unregisterOtherHomeAppUpdateReceiver() {
         if (mUpdateRegisteredPackage != null) {
-            mOtherHomeAppUpdateReceiver.unregisterReceiverSafelyAsync(mContext);
+            mOtherHomeAppUpdateReceiver.unregisterReceiverSafely(mContext);
             mUpdateRegisteredPackage = null;
         }
     }
diff --git a/quickstep/src/com/android/quickstep/TaskIconCache.java b/quickstep/src/com/android/quickstep/TaskIconCache.java
index b3a9199..1f6c02c 100644
--- a/quickstep/src/com/android/quickstep/TaskIconCache.java
+++ b/quickstep/src/com/android/quickstep/TaskIconCache.java
@@ -33,6 +33,7 @@
 import android.text.TextUtils;
 import android.util.SparseArray;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.WorkerThread;
 
 import com.android.launcher3.R;
@@ -48,6 +49,7 @@
 import com.android.launcher3.util.DisplayController.Info;
 import com.android.launcher3.util.FlagOp;
 import com.android.launcher3.util.Preconditions;
+import com.android.quickstep.task.thumbnail.data.TaskIconDataSource;
 import com.android.quickstep.util.TaskKeyLruCache;
 import com.android.quickstep.util.TaskVisualsChangeListener;
 import com.android.systemui.shared.recents.model.Task;
@@ -59,7 +61,7 @@
 /**
  * Manages the caching of task icons and related data.
  */
-public class TaskIconCache implements DisplayInfoChangeListener {
+public class TaskIconCache implements TaskIconDataSource, DisplayInfoChangeListener {
 
     private final Executor mBgExecutor;
 
@@ -102,7 +104,8 @@
      * @param callback The callback to receive the task after its data has been populated.
      * @return A cancelable handle to the request
      */
-    public CancellableTask getIconInBackground(Task task, GetTaskIconCallback callback) {
+    @Override
+    public CancellableTask getIconInBackground(Task task, @NonNull GetTaskIconCallback callback) {
         Preconditions.assertUIThread();
         if (task.icon != null) {
             // Nothing to load, the icon is already loaded
diff --git a/quickstep/src/com/android/quickstep/recents/data/TasksRepository.kt b/quickstep/src/com/android/quickstep/recents/data/TasksRepository.kt
index 4d6dfc3..f73db5a 100644
--- a/quickstep/src/com/android/quickstep/recents/data/TasksRepository.kt
+++ b/quickstep/src/com/android/quickstep/recents/data/TasksRepository.kt
@@ -16,7 +16,8 @@
 
 package com.android.quickstep.recents.data
 
-import com.android.quickstep.TaskIconCache
+import android.graphics.drawable.Drawable
+import com.android.quickstep.task.thumbnail.data.TaskIconDataSource
 import com.android.quickstep.task.thumbnail.data.TaskThumbnailDataSource
 import com.android.quickstep.util.GroupTask
 import com.android.systemui.shared.recents.model.Task
@@ -38,7 +39,7 @@
 class TasksRepository(
     private val recentsModel: RecentTasksDataSource,
     private val taskThumbnailDataSource: TaskThumbnailDataSource,
-    private val taskIconCache: TaskIconCache,
+    private val taskIconDataSource: TaskIconDataSource,
 ) : RecentTasksRepository {
     private val groupedTaskData = MutableStateFlow(emptyList<GroupTask>())
     private val _taskData =
@@ -46,10 +47,19 @@
     private val visibleTaskIds = MutableStateFlow(emptySet<Int>())
 
     private val taskData: Flow<List<Task>> =
-        combine(_taskData, getThumbnailQueryResults()) { tasks, results ->
+        combine(_taskData, getThumbnailQueryResults(), getIconQueryResults()) {
+            tasks,
+            thumbnailQueryResults,
+            iconQueryResults ->
             tasks.forEach { task ->
                 // Add retrieved thumbnails + remove unnecessary thumbnails
-                task.thumbnail = results[task.key.id]
+                task.thumbnail = thumbnailQueryResults[task.key.id]
+
+                // TODO(b/352331675) don't load icons for DesktopTaskView
+                // Add retrieved icons + remove unnecessary icons
+                task.icon = iconQueryResults[task.key.id]?.icon
+                task.titleDescription = iconQueryResults[task.key.id]?.contentDescription
+                task.title = iconQueryResults[task.key.id]?.title
             }
             tasks
         }
@@ -79,7 +89,6 @@
                     suspendCancellableCoroutine { continuation ->
                         val cancellableTask =
                             taskThumbnailDataSource.getThumbnailInBackground(task) {
-                                task.thumbnail = it
                                 continuation.resume(it)
                             }
                         continuation.invokeOnCancellation { cancellableTask?.cancel() }
@@ -109,6 +118,59 @@
             }
         }
     }
+
+    /** Flow wrapper for [TaskThumbnailDataSource.getThumbnailInBackground] api */
+    private fun getIconDataRequest(task: Task): IconDataRequest =
+        flow {
+                emit(task.key.id to task.getTaskIconQueryResponse())
+                val iconDataResponse: TaskIconQueryResponse? =
+                    suspendCancellableCoroutine { continuation ->
+                        val cancellableTask =
+                            taskIconDataSource.getIconInBackground(task) {
+                                icon,
+                                contentDescription,
+                                title ->
+                                continuation.resume(
+                                    TaskIconQueryResponse(icon, contentDescription, title)
+                                )
+                            }
+                        continuation.invokeOnCancellation { cancellableTask?.cancel() }
+                    }
+                emit(task.key.id to iconDataResponse)
+            }
+            .distinctUntilChanged()
+
+    private fun getIconQueryResults(): Flow<Map<Int, TaskIconQueryResponse?>> {
+        val visibleTasks =
+            combine(_taskData, visibleTaskIds) { tasks, visibleIds ->
+                tasks.filter { it.key.id in visibleIds }
+            }
+        val visibleIconDataRequests: Flow<List<IconDataRequest>> =
+            visibleTasks.map { visibleTasksList -> visibleTasksList.map(::getIconDataRequest) }
+        return visibleIconDataRequests.flatMapLatest { iconRequestFlows: List<IconDataRequest> ->
+            if (iconRequestFlows.isEmpty()) {
+                flowOf(emptyMap())
+            } else {
+                combine(iconRequestFlows) { it.toMap() }
+            }
+        }
+    }
 }
 
-typealias ThumbnailDataRequest = Flow<Pair<Int, ThumbnailData?>>
+private data class TaskIconQueryResponse(
+    val icon: Drawable,
+    val contentDescription: String,
+    val title: String
+)
+
+private fun Task.getTaskIconQueryResponse(): TaskIconQueryResponse? {
+    val iconVal = icon ?: return null
+    val titleDescriptionVal = titleDescription ?: return null
+    val titleVal = title ?: return null
+
+    return TaskIconQueryResponse(iconVal, titleDescriptionVal, titleVal)
+}
+
+private typealias ThumbnailDataRequest = Flow<Pair<Int, ThumbnailData?>>
+
+private typealias IconDataRequest = Flow<Pair<Int, TaskIconQueryResponse?>>
diff --git a/quickstep/src/com/android/quickstep/task/thumbnail/LiveTileView.kt b/quickstep/src/com/android/quickstep/task/thumbnail/LiveTileView.kt
new file mode 100644
index 0000000..45b3687
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/task/thumbnail/LiveTileView.kt
@@ -0,0 +1,46 @@
+/*
+ * 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.task.thumbnail
+
+import android.content.Context
+import android.graphics.Canvas
+import android.graphics.Paint
+import android.graphics.PorterDuff
+import android.graphics.PorterDuffXfermode
+import android.util.AttributeSet
+import android.view.View
+
+class LiveTileView : View {
+    constructor(context: Context) : super(context)
+
+    constructor(context: Context, attrs: AttributeSet?) : super(context, attrs)
+
+    constructor(
+        context: Context,
+        attrs: AttributeSet?,
+        defStyleAttr: Int,
+    ) : super(context, attrs, defStyleAttr)
+
+    override fun onDraw(canvas: Canvas) {
+        canvas.drawRect(0f, 0f, measuredWidth.toFloat(), measuredHeight.toFloat(), CLEAR_PAINT)
+    }
+
+    companion object {
+        private val CLEAR_PAINT =
+            Paint().apply { xfermode = PorterDuffXfermode(PorterDuff.Mode.CLEAR) }
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/task/thumbnail/TaskThumbnailView.kt b/quickstep/src/com/android/quickstep/task/thumbnail/TaskThumbnailView.kt
index 22d49c1..c71b9e7 100644
--- a/quickstep/src/com/android/quickstep/task/thumbnail/TaskThumbnailView.kt
+++ b/quickstep/src/com/android/quickstep/task/thumbnail/TaskThumbnailView.kt
@@ -18,17 +18,17 @@
 
 import android.content.Context
 import android.content.res.Configuration
-import android.graphics.Canvas
 import android.graphics.Color
 import android.graphics.Outline
-import android.graphics.Paint
-import android.graphics.PorterDuff
-import android.graphics.PorterDuffXfermode
 import android.graphics.Rect
 import android.util.AttributeSet
 import android.view.View
 import android.view.ViewOutlineProvider
+import android.widget.FrameLayout
+import android.widget.ImageView
 import androidx.annotation.ColorInt
+import androidx.core.view.isVisible
+import com.android.launcher3.R
 import com.android.launcher3.Utilities
 import com.android.launcher3.util.ViewPool
 import com.android.quickstep.task.thumbnail.TaskThumbnailUiState.BackgroundOnly
@@ -43,7 +43,7 @@
 import kotlinx.coroutines.MainScope
 import kotlinx.coroutines.launch
 
-class TaskThumbnailView : View, ViewPool.Reusable {
+class TaskThumbnailView : FrameLayout, ViewPool.Reusable {
     // TODO(b/335649589): Ideally create and obtain this from DI. This ViewModel should be scoped
     //  to [TaskView], and also shared between [TaskView] and [TaskThumbnailView]
     //  This is using a lazy for now because the dependencies cannot be obtained without DI.
@@ -59,12 +59,12 @@
         )
     }
 
-    private var uiState: TaskThumbnailUiState = Uninitialized
-    private var inheritedScale: Float = 1f
-    private var dimProgress: Float = 0f
+    private val scrimView: View by lazy { findViewById(R.id.task_thumbnail_scrim) }
+    private val liveTileView: LiveTileView by lazy { findViewById(R.id.task_thumbnail_live_tile) }
+    private val thumbnail: ImageView by lazy { findViewById(R.id.task_thumbnail) }
 
-    private val backgroundPaint = Paint(Paint.ANTI_ALIAS_FLAG)
-    private val scrimPaint = Paint().apply { color = Color.BLACK }
+    private var inheritedScale: Float = 1f
+
     private val _measuredBounds = Rect()
     private val measuredBounds: Rect
         get() {
@@ -75,12 +75,12 @@
     private var overviewCornerRadius: Float = TaskCornerRadius.get(context)
     private var fullscreenCornerRadius: Float = QuickStepContract.getWindowCornerRadius(context)
 
-    constructor(context: Context?) : super(context)
+    constructor(context: Context) : super(context)
 
-    constructor(context: Context?, attrs: AttributeSet?) : super(context, attrs)
+    constructor(context: Context, attrs: AttributeSet?) : super(context, attrs)
 
     constructor(
-        context: Context?,
+        context: Context,
         attrs: AttributeSet?,
         defStyleAttr: Int,
     ) : super(context, attrs, defStyleAttr)
@@ -90,15 +90,19 @@
         // TODO(b/335396935) replace MainScope with shorter lifecycle.
         MainScope().launch {
             viewModel.uiState.collect { viewModelUiState ->
-                uiState = viewModelUiState
-                invalidate()
+                resetViews()
+                when (viewModelUiState) {
+                    is Uninitialized -> {}
+                    is LiveTile -> drawLiveWindow()
+                    is Snapshot -> drawSnapshot(viewModelUiState)
+                    is BackgroundOnly -> drawBackground(viewModelUiState.backgroundColor)
+                }
             }
         }
         MainScope().launch {
             viewModel.dimProgress.collect { dimProgress ->
                 // TODO(b/348195366) Add fade in/out for scrim
-                this@TaskThumbnailView.dimProgress = dimProgress
-                invalidate()
+                scrimView.alpha = dimProgress * MAX_SCRIM_ALPHA
             }
         }
         MainScope().launch { viewModel.cornerRadiusProgress.collect { invalidateOutline() } }
@@ -120,25 +124,6 @@
 
     override fun onRecycle() {
         // Do nothing
-        uiState = Uninitialized
-    }
-
-    override fun onDraw(canvas: Canvas) {
-        when (val uiStateVal = uiState) {
-            is Uninitialized -> drawBackgroundOnly(canvas, Color.BLACK)
-            is LiveTile -> drawTransparentUiState(canvas)
-            is Snapshot -> drawSnapshotState(canvas, uiStateVal)
-            is BackgroundOnly -> drawBackgroundOnly(canvas, uiStateVal.backgroundColor)
-        }
-
-        if (dimProgress > 0) {
-            drawScrim(canvas)
-        }
-    }
-
-    private fun drawBackgroundOnly(canvas: Canvas, @ColorInt backgroundColor: Int) {
-        backgroundPaint.color = backgroundColor
-        canvas.drawRect(measuredBounds, backgroundPaint)
     }
 
     override fun onConfigurationChanged(newConfig: Configuration?) {
@@ -149,18 +134,25 @@
         invalidateOutline()
     }
 
-    private fun drawTransparentUiState(canvas: Canvas) {
-        canvas.drawRect(measuredBounds, CLEAR_PAINT)
+    private fun resetViews() {
+        liveTileView.isVisible = false
+        thumbnail.isVisible = false
+        scrimView.alpha = 0f
+        setBackgroundColor(Color.BLACK)
     }
 
-    private fun drawSnapshotState(canvas: Canvas, snapshot: Snapshot) {
-        drawBackgroundOnly(canvas, snapshot.backgroundColor)
-        canvas.drawBitmap(snapshot.bitmap, snapshot.drawnRect, measuredBounds, null)
+    private fun drawBackground(@ColorInt background: Int) {
+        setBackgroundColor(background)
     }
 
-    private fun drawScrim(canvas: Canvas) {
-        scrimPaint.alpha = (dimProgress * MAX_SCRIM_ALPHA).toInt()
-        canvas.drawRect(measuredBounds, scrimPaint)
+    private fun drawLiveWindow() {
+        liveTileView.isVisible = true
+    }
+
+    private fun drawSnapshot(snapshot: Snapshot) {
+        drawBackground(snapshot.backgroundColor)
+        thumbnail.setImageBitmap(snapshot.bitmap)
+        thumbnail.isVisible = true
     }
 
     private fun getCurrentCornerRadius() =
@@ -170,9 +162,7 @@
             fullscreenCornerRadius
         ) / inheritedScale
 
-    companion object {
-        private val CLEAR_PAINT =
-            Paint().apply { xfermode = PorterDuffXfermode(PorterDuff.Mode.CLEAR) }
-        private const val MAX_SCRIM_ALPHA = (0.4f * 255).toInt()
+    private companion object {
+        const val MAX_SCRIM_ALPHA = 0.4f
     }
 }
diff --git a/quickstep/src/com/android/quickstep/task/thumbnail/data/TaskIconDataSource.kt b/quickstep/src/com/android/quickstep/task/thumbnail/data/TaskIconDataSource.kt
new file mode 100644
index 0000000..ab699c6
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/task/thumbnail/data/TaskIconDataSource.kt
@@ -0,0 +1,25 @@
+/*
+ * 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.task.thumbnail.data
+
+import com.android.launcher3.util.CancellableTask
+import com.android.quickstep.TaskIconCache.GetTaskIconCallback
+import com.android.systemui.shared.recents.model.Task
+
+interface TaskIconDataSource {
+    fun getIconInBackground(task: Task, callback: GetTaskIconCallback): CancellableTask<*>?
+}
diff --git a/quickstep/src/com/android/quickstep/util/AsyncClockEventDelegate.java b/quickstep/src/com/android/quickstep/util/AsyncClockEventDelegate.java
index c26fc0c5..38ae303 100644
--- a/quickstep/src/com/android/quickstep/util/AsyncClockEventDelegate.java
+++ b/quickstep/src/com/android/quickstep/util/AsyncClockEventDelegate.java
@@ -18,6 +18,8 @@
 import static android.content.Intent.ACTION_TIMEZONE_CHANGED;
 import static android.content.Intent.ACTION_TIME_CHANGED;
 
+import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
+
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
@@ -50,7 +52,7 @@
 
     private final Context mContext;
     private final SimpleBroadcastReceiver mReceiver =
-            new SimpleBroadcastReceiver(this::onClockEventReceived);
+            new SimpleBroadcastReceiver(UI_HELPER_EXECUTOR, this::onClockEventReceived);
 
     private final ArrayMap<BroadcastReceiver, Handler> mTimeEventReceivers = new ArrayMap<>();
     private final List<ContentObserver> mFormatObservers = new ArrayList<>();
@@ -62,7 +64,7 @@
     private AsyncClockEventDelegate(Context context) {
         super(context);
         mContext = context;
-        mReceiver.registerAsync(mContext, ACTION_TIME_CHANGED, ACTION_TIMEZONE_CHANGED);
+        mReceiver.register(mContext, ACTION_TIME_CHANGED, ACTION_TIMEZONE_CHANGED);
     }
 
     @Override
@@ -123,6 +125,6 @@
     public void close() {
         mDestroyed = true;
         SettingsCache.INSTANCE.get(mContext).unregister(mFormatUri, this);
-        mReceiver.unregisterReceiverSafelyAsync(mContext);
+        mReceiver.unregisterReceiverSafely(mContext);
     }
 }
diff --git a/quickstep/src/com/android/quickstep/views/DesktopTaskView.kt b/quickstep/src/com/android/quickstep/views/DesktopTaskView.kt
index 4333c8b..9ce2277 100644
--- a/quickstep/src/com/android/quickstep/views/DesktopTaskView.kt
+++ b/quickstep/src/com/android/quickstep/views/DesktopTaskView.kt
@@ -24,6 +24,7 @@
 import android.graphics.drawable.shapes.RoundRectShape
 import android.util.AttributeSet
 import android.util.Log
+import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.core.view.updateLayoutParams
@@ -36,7 +37,6 @@
 import com.android.launcher3.util.rects.set
 import com.android.quickstep.BaseContainerInterface
 import com.android.quickstep.TaskOverlayFactory
-import com.android.quickstep.task.thumbnail.TaskThumbnailView
 import com.android.quickstep.util.RecentsOrientedState
 import com.android.systemui.shared.recents.model.Task
 
@@ -54,7 +54,7 @@
         ViewPool<TaskThumbnailViewDeprecated>(
             context,
             this,
-            R.layout.task_thumbnail,
+            R.layout.task_thumbnail_deprecated,
             VIEW_POOL_MAX_SIZE,
             VIEW_POOL_INITIAL_SIZE
         )
@@ -108,22 +108,21 @@
             tasks.map { task ->
                 val snapshotView =
                     if (enableRefactorTaskThumbnail()) {
-                            TaskThumbnailView(context)
-                        } else {
-                            taskThumbnailViewDeprecatedPool.view
-                        }
-                        .also { snapshotView ->
-                            addView(
-                                snapshotView,
-                                // Add snapshotView to the front after initial views e.g. icon and
-                                // background.
-                                childCountAtInflation,
-                                LayoutParams(
-                                    ViewGroup.LayoutParams.WRAP_CONTENT,
-                                    ViewGroup.LayoutParams.WRAP_CONTENT
-                                )
-                            )
-                        }
+                        LayoutInflater.from(context).inflate(R.layout.task_thumbnail, this, false)
+                    } else {
+                        taskThumbnailViewDeprecatedPool.view
+                    }
+
+                addView(
+                    snapshotView,
+                    // Add snapshotView to the front after initial views e.g. icon and
+                    // background.
+                    childCountAtInflation,
+                    LayoutParams(
+                        ViewGroup.LayoutParams.WRAP_CONTENT,
+                        ViewGroup.LayoutParams.WRAP_CONTENT
+                    )
+                )
                 TaskContainer(
                     this,
                     task,
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.kt b/quickstep/src/com/android/quickstep/views/TaskView.kt
index 4e19d34..004003c 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.kt
+++ b/quickstep/src/com/android/quickstep/views/TaskView.kt
@@ -31,6 +31,7 @@
 import android.util.FloatProperty
 import android.util.Log
 import android.view.Display
+import android.view.LayoutInflater
 import android.view.MotionEvent
 import android.view.View
 import android.view.View.OnClickListener
@@ -666,9 +667,8 @@
             if (enableRefactorTaskThumbnail()) {
                 thumbnailViewDeprecated.visibility = GONE
                 val indexOfSnapshotView = indexOfChild(thumbnailViewDeprecated)
-                TaskThumbnailView(context).apply {
-                    layoutParams = thumbnailViewDeprecated.layoutParams
-                    addView(this, indexOfSnapshotView)
+                LayoutInflater.from(context).inflate(R.layout.task_thumbnail, this, false).also {
+                    addView(it, indexOfSnapshotView, thumbnailViewDeprecated.layoutParams)
                 }
             } else {
                 thumbnailViewDeprecated
diff --git a/quickstep/tests/multivalentTests/src/com/android/quickstep/recents/data/FakeTaskIconDataSource.kt b/quickstep/tests/multivalentTests/src/com/android/quickstep/recents/data/FakeTaskIconDataSource.kt
new file mode 100644
index 0000000..242bc73
--- /dev/null
+++ b/quickstep/tests/multivalentTests/src/com/android/quickstep/recents/data/FakeTaskIconDataSource.kt
@@ -0,0 +1,58 @@
+/*
+ * 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.recents.data
+
+import android.graphics.drawable.Drawable
+import com.android.launcher3.util.CancellableTask
+import com.android.quickstep.TaskIconCache
+import com.android.quickstep.task.thumbnail.data.TaskIconDataSource
+import com.android.systemui.shared.recents.model.Task
+import com.google.common.truth.Truth.assertThat
+import org.mockito.kotlin.mock
+
+class FakeTaskIconDataSource : TaskIconDataSource {
+
+    val taskIdToDrawable: Map<Int, Drawable> = (0..10).associateWith { mock() }
+    val taskIdToUpdatingTask: MutableMap<Int, () -> Unit> = mutableMapOf()
+    var shouldLoadSynchronously: Boolean = true
+
+    /** Retrieves and sets an icon on [task] from [taskIdToDrawable]. */
+    override fun getIconInBackground(
+        task: Task,
+        callback: TaskIconCache.GetTaskIconCallback
+    ): CancellableTask<*>? {
+        val wrappedCallback = {
+            callback.onTaskIconReceived(
+                taskIdToDrawable.getValue(task.key.id),
+                "content desc ${task.key.id}",
+                "title ${task.key.id}"
+            )
+        }
+        if (shouldLoadSynchronously) {
+            wrappedCallback()
+        } else {
+            taskIdToUpdatingTask[task.key.id] = wrappedCallback
+        }
+        return null
+    }
+}
+
+fun Task.assertHasIconDataFromSource(fakeTaskIconDataSource: FakeTaskIconDataSource) {
+    assertThat(icon).isEqualTo(fakeTaskIconDataSource.taskIdToDrawable[key.id])
+    assertThat(titleDescription).isEqualTo("content desc ${key.id}")
+    assertThat(title).isEqualTo("title ${key.id}")
+}
diff --git a/quickstep/tests/multivalentTests/src/com/android/quickstep/recents/data/TasksRepositoryTest.kt b/quickstep/tests/multivalentTests/src/com/android/quickstep/recents/data/TasksRepositoryTest.kt
index c28a85a..88fa190 100644
--- a/quickstep/tests/multivalentTests/src/com/android/quickstep/recents/data/TasksRepositoryTest.kt
+++ b/quickstep/tests/multivalentTests/src/com/android/quickstep/recents/data/TasksRepositoryTest.kt
@@ -18,7 +18,6 @@
 
 import android.content.ComponentName
 import android.content.Intent
-import com.android.quickstep.TaskIconCache
 import com.android.quickstep.util.DesktopTask
 import com.android.quickstep.util.GroupTask
 import com.android.systemui.shared.recents.model.Task
@@ -31,7 +30,6 @@
 import kotlinx.coroutines.test.UnconfinedTestDispatcher
 import kotlinx.coroutines.test.runTest
 import org.junit.Test
-import org.mockito.kotlin.mock
 
 @OptIn(ExperimentalCoroutinesApi::class)
 class TasksRepositoryTest {
@@ -44,10 +42,10 @@
         )
     private val recentsModel = FakeRecentTasksDataSource()
     private val taskThumbnailDataSource = FakeTaskThumbnailDataSource()
-    private val taskIconCache = mock<TaskIconCache>()
+    private val taskIconDataSource = FakeTaskIconDataSource()
 
     private val systemUnderTest =
-        TasksRepository(recentsModel, taskThumbnailDataSource, taskIconCache)
+        TasksRepository(recentsModel, taskThumbnailDataSource, taskIconDataSource)
 
     @Test
     fun getAllTaskDataReturnsFlattenedListOfTasks() = runTest {
@@ -81,6 +79,22 @@
     }
 
     @Test
+    fun setVisibleTasksPopulatesIcons() = runTest {
+        recentsModel.seedTasks(defaultTaskList)
+        systemUnderTest.getAllTaskData(forceRefresh = true)
+
+        systemUnderTest.setVisibleTasks(listOf(1, 2))
+
+        // .drop(1) to ignore initial null content before from thumbnail was loaded.
+        systemUnderTest
+            .getTaskDataById(1)
+            .drop(1)
+            .first()!!
+            .assertHasIconDataFromSource(taskIconDataSource)
+        systemUnderTest.getTaskDataById(2).first()!!.assertHasIconDataFromSource(taskIconDataSource)
+    }
+
+    @Test
     fun changingVisibleTasksContainsAlreadyPopulatedThumbnails() = runTest {
         recentsModel.seedTasks(defaultTaskList)
         val bitmap2 = taskThumbnailDataSource.taskIdToBitmap[2]
@@ -101,7 +115,28 @@
     }
 
     @Test
-    fun retrievedThumbnailsAreDiscardedWhenTaskBecomesInvisible() = runTest {
+    fun changingVisibleTasksContainsAlreadyPopulatedIcons() = runTest {
+        recentsModel.seedTasks(defaultTaskList)
+        systemUnderTest.getAllTaskData(forceRefresh = true)
+
+        systemUnderTest.setVisibleTasks(listOf(1, 2))
+
+        // .drop(1) to ignore initial null content before from icon was loaded.
+        systemUnderTest
+            .getTaskDataById(2)
+            .drop(1)
+            .first()!!
+            .assertHasIconDataFromSource(taskIconDataSource)
+
+        // Prevent new loading of Drawables
+        taskThumbnailDataSource.shouldLoadSynchronously = false
+        systemUnderTest.setVisibleTasks(listOf(2, 3))
+
+        systemUnderTest.getTaskDataById(2).first()!!.assertHasIconDataFromSource(taskIconDataSource)
+    }
+
+    @Test
+    fun retrievedImagesAreDiscardedWhenTaskBecomesInvisible() = runTest {
         recentsModel.seedTasks(defaultTaskList)
         val bitmap2 = taskThumbnailDataSource.taskIdToBitmap[2]
         systemUnderTest.getAllTaskData(forceRefresh = true)
@@ -109,14 +144,20 @@
         systemUnderTest.setVisibleTasks(listOf(1, 2))
 
         // .drop(1) to ignore initial null content before from thumbnail was loaded.
-        assertThat(systemUnderTest.getTaskDataById(2).drop(1).first()!!.thumbnail!!.thumbnail)
-            .isEqualTo(bitmap2)
+        val task2 = systemUnderTest.getTaskDataById(2).drop(1).first()!!
+        assertThat(task2.thumbnail!!.thumbnail).isEqualTo(bitmap2)
+        task2.assertHasIconDataFromSource(taskIconDataSource)
 
         // Prevent new loading of Bitmaps
         taskThumbnailDataSource.shouldLoadSynchronously = false
+        taskIconDataSource.shouldLoadSynchronously = false
         systemUnderTest.setVisibleTasks(listOf(0, 1))
 
-        assertThat(systemUnderTest.getTaskDataById(2).first()!!.thumbnail).isNull()
+        val task2AfterVisibleTasksChanged = systemUnderTest.getTaskDataById(2).first()!!
+        assertThat(task2AfterVisibleTasksChanged.thumbnail).isNull()
+        assertThat(task2AfterVisibleTasksChanged.icon).isNull()
+        assertThat(task2AfterVisibleTasksChanged.titleDescription).isNull()
+        assertThat(task2AfterVisibleTasksChanged.title).isNull()
     }
 
     @Test
diff --git a/res/drawable/work_card.xml b/res/drawable/work_card.xml
index 4a66cac..9bf2b8d 100644
--- a/res/drawable/work_card.xml
+++ b/res/drawable/work_card.xml
@@ -16,9 +16,8 @@
 
 
 <shape xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
     android:shape="rectangle">
-    <solid android:color="?androidprv:attr/colorSurface" />
+    <solid android:color="@color/material_color_surface_container_highest" />
     <corners android:radius="@dimen/work_edu_card_radius" />
 </shape>
 
diff --git a/src/com/android/launcher3/FastScrollRecyclerView.java b/src/com/android/launcher3/FastScrollRecyclerView.java
index eff748a..960d77a 100644
--- a/src/com/android/launcher3/FastScrollRecyclerView.java
+++ b/src/com/android/launcher3/FastScrollRecyclerView.java
@@ -20,6 +20,7 @@
 
 import android.content.Context;
 import android.util.AttributeSet;
+import android.util.Log;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.accessibility.AccessibilityNodeInfo;
@@ -27,8 +28,8 @@
 import androidx.annotation.Nullable;
 import androidx.recyclerview.widget.RecyclerView;
 
-import com.android.app.animation.Interpolators;
 import com.android.launcher3.compat.AccessibilityManagerCompat;
+import com.android.launcher3.testing.shared.TestProtocol;
 import com.android.launcher3.views.RecyclerViewFastScroller;
 
 
@@ -188,6 +189,10 @@
      * Scrolls this recycler view to the top.
      */
     public void scrollToTop() {
+        if (TestProtocol.sDebugTracing) {
+            Log.d(TestProtocol.PRIVATE_SPACE_SCROLL_FAILURE, "FastScrollRecyclerView#scrollToTop",
+                    new Exception());
+        }
         if (mScrollbar != null) {
             mScrollbar.reattachThumbToScroll();
         }
diff --git a/src/com/android/launcher3/LauncherAppState.java b/src/com/android/launcher3/LauncherAppState.java
index 239967d..85c8b57 100644
--- a/src/com/android/launcher3/LauncherAppState.java
+++ b/src/com/android/launcher3/LauncherAppState.java
@@ -24,6 +24,7 @@
 import static com.android.launcher3.LauncherPrefs.THEMED_ICONS;
 import static com.android.launcher3.model.LoaderTask.SMARTSPACE_ON_HOME_SCREEN;
 import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
+import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
 import static com.android.launcher3.util.SettingsCache.NOTIFICATION_BADGING_URI;
 import static com.android.launcher3.util.SettingsCache.PRIVATE_SPACE_HIDE_WHEN_LOCKED_URI;
 
@@ -63,6 +64,9 @@
 import com.android.launcher3.util.TraceHelper;
 import com.android.launcher3.widget.custom.CustomWidgetManager;
 
+import java.util.Locale;
+import java.util.Objects;
+
 public class LauncherAppState implements SafeCloseable {
 
     public static final String ACTION_FORCE_ROLOAD = "force-reload-launcher";
@@ -115,14 +119,25 @@
         }
 
         SimpleBroadcastReceiver modelChangeReceiver =
-                new SimpleBroadcastReceiver(mModel::onBroadcastIntent);
-        modelChangeReceiver.registerAsync(mContext, Intent.ACTION_LOCALE_CHANGED,
+                new SimpleBroadcastReceiver(UI_HELPER_EXECUTOR, mModel::onBroadcastIntent);
+        final Locale oldLocale = mContext.getResources().getConfiguration().locale;
+        modelChangeReceiver.register(
+                mContext,
+                () -> {
+                    // if local has changed before receiver is registered on bg thread,
+                    // mModel needs to reload.
+                    Locale newLocale = mContext.getResources().getConfiguration().locale;
+                    if (!Objects.equals(oldLocale, newLocale)) {
+                        mModel.forceReload();
+                    }
+                },
+                Intent.ACTION_LOCALE_CHANGED,
                 ACTION_DEVICE_POLICY_RESOURCE_UPDATED);
         if (BuildConfig.IS_STUDIO_BUILD) {
             mContext.registerReceiver(modelChangeReceiver, new IntentFilter(ACTION_FORCE_ROLOAD),
                     RECEIVER_EXPORTED);
         }
-        mOnTerminateCallback.add(() -> modelChangeReceiver.unregisterReceiverSafelyAsync(mContext));
+        mOnTerminateCallback.add(() -> modelChangeReceiver.unregisterReceiverSafely(mContext));
 
         SafeCloseable userChangeListener = UserCache.INSTANCE.get(mContext)
                 .addUserEventListener(mModel::onUserEvent);
diff --git a/src/com/android/launcher3/pm/UserCache.java b/src/com/android/launcher3/pm/UserCache.java
index cf03462..7339111 100644
--- a/src/com/android/launcher3/pm/UserCache.java
+++ b/src/com/android/launcher3/pm/UserCache.java
@@ -75,7 +75,7 @@
 
     private final List<BiConsumer<UserHandle, String>> mUserEventListeners = new ArrayList<>();
     private final SimpleBroadcastReceiver mUserChangeReceiver =
-            new SimpleBroadcastReceiver(this::onUsersChanged);
+            new SimpleBroadcastReceiver(MODEL_EXECUTOR, this::onUsersChanged);
 
     private final Context mContext;
 
@@ -93,12 +93,12 @@
 
     @Override
     public void close() {
-        MODEL_EXECUTOR.execute(() -> mUserChangeReceiver.unregisterReceiverSafelySync(mContext));
+        MODEL_EXECUTOR.execute(() -> mUserChangeReceiver.unregisterReceiverSafely(mContext));
     }
 
     @WorkerThread
     private void initAsync() {
-        mUserChangeReceiver.registerSync(mContext,
+        mUserChangeReceiver.register(mContext,
                 Intent.ACTION_MANAGED_PROFILE_AVAILABLE,
                 Intent.ACTION_MANAGED_PROFILE_UNAVAILABLE,
                 Intent.ACTION_MANAGED_PROFILE_REMOVED,
diff --git a/src/com/android/launcher3/util/DisplayController.java b/src/com/android/launcher3/util/DisplayController.java
index 3dcc663..860f852 100644
--- a/src/com/android/launcher3/util/DisplayController.java
+++ b/src/com/android/launcher3/util/DisplayController.java
@@ -49,6 +49,7 @@
 import android.view.Display;
 
 import androidx.annotation.AnyThread;
+import androidx.annotation.Nullable;
 import androidx.annotation.UiThread;
 import androidx.annotation.VisibleForTesting;
 
@@ -109,7 +110,10 @@
     private DisplayInfoChangeListener mPriorityListener;
     private final ArrayList<DisplayInfoChangeListener> mListeners = new ArrayList<>();
 
-    private final SimpleBroadcastReceiver mReceiver = new SimpleBroadcastReceiver(this::onIntent);
+    // We will register broadcast receiver on main thread to ensure not missing changes on
+    // TARGET_OVERLAY_PACKAGE and ACTION_OVERLAY_CHANGED.
+    private final SimpleBroadcastReceiver mReceiver =
+            new SimpleBroadcastReceiver(MAIN_EXECUTOR, this::onIntent);
 
     private Info mInfo;
     private boolean mDestroyed = false;
@@ -132,11 +136,11 @@
             mWindowContext.registerComponentCallbacks(this);
         } else {
             mWindowContext = null;
-            mReceiver.registerAsync(mContext, ACTION_CONFIGURATION_CHANGED);
+            mReceiver.register(mContext, ACTION_CONFIGURATION_CHANGED);
         }
 
         // Initialize navigation mode change listener
-        mReceiver.registerPkgActionsAsync(mContext, TARGET_OVERLAY_PACKAGE, ACTION_OVERLAY_CHANGED);
+        mReceiver.registerPkgActions(mContext, TARGET_OVERLAY_PACKAGE, ACTION_OVERLAY_CHANGED);
 
         WindowManagerProxy wmProxy = WindowManagerProxy.INSTANCE.get(context);
         Context displayInfoContext = getDisplayInfoContext(display);
@@ -223,7 +227,7 @@
         } else {
             // TODO: unregister broadcast receiver
         }
-        mReceiver.unregisterReceiverSafelyAsync(mContext);
+        mReceiver.unregisterReceiverSafely(mContext);
     }
 
     /**
@@ -513,9 +517,8 @@
             return Collections.unmodifiableSet(mPerDisplayBounds.keySet());
         }
 
-        /**
-         * Returns all {@link WindowBounds}s for the current display.
-         */
+        /** Returns all {@link WindowBounds}s for the current display. */
+        @Nullable
         public List<WindowBounds> getCurrentBounds() {
             return mPerDisplayBounds.get(normalizedDisplayInfo);
         }
diff --git a/src/com/android/launcher3/util/LockedUserState.kt b/src/com/android/launcher3/util/LockedUserState.kt
index 2737249..10559f3 100644
--- a/src/com/android/launcher3/util/LockedUserState.kt
+++ b/src/com/android/launcher3/util/LockedUserState.kt
@@ -20,21 +20,28 @@
 import android.os.Process
 import android.os.UserManager
 import androidx.annotation.VisibleForTesting
+import com.android.launcher3.util.Executors.MAIN_EXECUTOR
+import com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR
 
 class LockedUserState(private val mContext: Context) : SafeCloseable {
     val isUserUnlockedAtLauncherStartup: Boolean
-    var isUserUnlocked: Boolean
-        private set
+    var isUserUnlocked = false
+        private set(value) {
+            field = value
+            if (value) {
+                notifyUserUnlocked()
+            }
+        }
 
     private val mUserUnlockedActions: RunnableList = RunnableList()
 
     @VisibleForTesting
-    val mUserUnlockedReceiver = SimpleBroadcastReceiver {
-        if (Intent.ACTION_USER_UNLOCKED == it.action) {
-            isUserUnlocked = true
-            notifyUserUnlocked()
+    val mUserUnlockedReceiver =
+        SimpleBroadcastReceiver(UI_HELPER_EXECUTOR) {
+            if (Intent.ACTION_USER_UNLOCKED == it.action) {
+                isUserUnlocked = true
+            }
         }
-    }
 
     init {
         // 1) when user reboots devices, launcher process starts at lock screen and both
@@ -43,26 +50,34 @@
         // yet isUserUnlockedAtLauncherStartup will remains as false.
         // 2) when launcher process restarts after user has unlocked screen, both variable are
         // init as true and will not change.
-        isUserUnlocked =
-            mContext
-                .getSystemService(UserManager::class.java)!!
-                .isUserUnlocked(Process.myUserHandle())
+        isUserUnlocked = checkIsUserUnlocked()
         isUserUnlockedAtLauncherStartup = isUserUnlocked
-        if (isUserUnlocked) {
-            notifyUserUnlocked()
-        } else {
-            mUserUnlockedReceiver.registerAsync(mContext, Intent.ACTION_USER_UNLOCKED)
+        if (!isUserUnlocked) {
+            mUserUnlockedReceiver.register(
+                mContext,
+                {
+                    // If user is unlocked while registering broadcast receiver, we should update
+                    // [isUserUnlocked], which will call [notifyUserUnlocked] in setter
+                    if (checkIsUserUnlocked()) {
+                        MAIN_EXECUTOR.execute { isUserUnlocked = true }
+                    }
+                },
+                Intent.ACTION_USER_UNLOCKED
+            )
         }
     }
 
+    private fun checkIsUserUnlocked() =
+        mContext.getSystemService(UserManager::class.java)!!.isUserUnlocked(Process.myUserHandle())
+
     private fun notifyUserUnlocked() {
         mUserUnlockedActions.executeAllAndDestroy()
-        mUserUnlockedReceiver.unregisterReceiverSafelyAsync(mContext)
+        mUserUnlockedReceiver.unregisterReceiverSafely(mContext)
     }
 
     /** Stops the receiver from listening for ACTION_USER_UNLOCK broadcasts. */
     override fun close() {
-        mUserUnlockedReceiver.unregisterReceiverSafelyAsync(mContext)
+        mUserUnlockedReceiver.unregisterReceiverSafely(mContext)
     }
 
     /**
diff --git a/src/com/android/launcher3/util/ScreenOnTracker.java b/src/com/android/launcher3/util/ScreenOnTracker.java
index c1d192c..12eff61 100644
--- a/src/com/android/launcher3/util/ScreenOnTracker.java
+++ b/src/com/android/launcher3/util/ScreenOnTracker.java
@@ -19,6 +19,8 @@
 import static android.content.Intent.ACTION_SCREEN_ON;
 import static android.content.Intent.ACTION_USER_PRESENT;
 
+import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
+
 import android.content.Context;
 import android.content.Intent;
 
@@ -32,7 +34,8 @@
     public static final MainThreadInitializedObject<ScreenOnTracker> INSTANCE =
             new MainThreadInitializedObject<>(ScreenOnTracker::new);
 
-    private final SimpleBroadcastReceiver mReceiver = new SimpleBroadcastReceiver(this::onReceive);
+    private final SimpleBroadcastReceiver mReceiver =
+            new SimpleBroadcastReceiver(UI_HELPER_EXECUTOR, this::onReceive);
     private final CopyOnWriteArrayList<ScreenOnListener> mListeners = new CopyOnWriteArrayList<>();
 
     private final Context mContext;
@@ -42,12 +45,12 @@
         // Assume that the screen is on to begin with
         mContext = context;
         mIsScreenOn = true;
-        mReceiver.registerAsync(context, ACTION_SCREEN_ON, ACTION_SCREEN_OFF, ACTION_USER_PRESENT);
+        mReceiver.register(context, ACTION_SCREEN_ON, ACTION_SCREEN_OFF, ACTION_USER_PRESENT);
     }
 
     @Override
     public void close() {
-        mReceiver.unregisterReceiverSafelyAsync(mContext);
+        mReceiver.unregisterReceiverSafely(mContext);
     }
 
     private void onReceive(Intent intent) {
diff --git a/src/com/android/launcher3/util/SimpleBroadcastReceiver.java b/src/com/android/launcher3/util/SimpleBroadcastReceiver.java
index 5f39cce..539a7cb 100644
--- a/src/com/android/launcher3/util/SimpleBroadcastReceiver.java
+++ b/src/com/android/launcher3/util/SimpleBroadcastReceiver.java
@@ -15,21 +15,17 @@
  */
 package com.android.launcher3.util;
 
-import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
-
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.os.Handler;
 import android.os.Looper;
 import android.os.PatternMatcher;
 import android.text.TextUtils;
 
+import androidx.annotation.AnyThread;
 import androidx.annotation.Nullable;
-import androidx.annotation.UiThread;
-import androidx.annotation.WorkerThread;
-
-import com.android.launcher3.BuildConfig;
 
 import java.util.function.Consumer;
 
@@ -37,8 +33,16 @@
 
     private final Consumer<Intent> mIntentConsumer;
 
-    public SimpleBroadcastReceiver(Consumer<Intent> intentConsumer) {
+    // Handler to register/unregister broadcast receiver
+    private final Handler mHandler;
+
+    public SimpleBroadcastReceiver(LooperExecutor looperExecutor, Consumer<Intent> intentConsumer) {
+        this(looperExecutor.getHandler(), intentConsumer);
+    }
+
+    public SimpleBroadcastReceiver(Handler handler, Consumer<Intent> intentConsumer) {
         mIntentConsumer = intentConsumer;
+        mHandler = handler;
     }
 
     @Override
@@ -46,55 +50,104 @@
         mIntentConsumer.accept(intent);
     }
 
-    /** Helper method to register multiple actions. Caller should be on main thread. */
-    @UiThread
-    public void registerAsync(Context context, String... actions) {
-        assertOnMainThread();
-        UI_HELPER_EXECUTOR.execute(() -> registerSync(context, actions));
+    /** Calls {@link #register(Context, Runnable, String...)} with null completionCallback. */
+    @AnyThread
+    public void register(Context context, String... actions) {
+        register(context, null, actions);
     }
 
-    /** Helper method to register multiple actions. Caller should be on main thread. */
-    @WorkerThread
-    public void registerSync(Context context, String... actions) {
-        assertOnBgThread();
+    /**
+     * Calls {@link #register(Context, Runnable, int, String...)} with null completionCallback.
+     */
+    @AnyThread
+    public void register(Context context, int flags, String... actions) {
+        register(context, null, flags, actions);
+    }
+
+    /**
+     * Register broadcast receiver. If this method is called on the same looper with mHandler's
+     * looper, then register will be called synchronously. Otherwise asynchronously. This ensures
+     * register happens on {@link #mHandler}'s looper.
+     *
+     * @param completionCallback callback that will be triggered after registration is completed,
+     *                           caller usually pass this callback to check if states has changed
+     *                           while registerReceiver() is executed on a binder call.
+     */
+    @AnyThread
+    public void register(
+            Context context, @Nullable Runnable completionCallback, String... actions) {
+        if (Looper.myLooper() == mHandler.getLooper()) {
+            registerInternal(context, completionCallback, actions);
+        } else {
+            mHandler.post(() -> registerInternal(context, completionCallback, actions));
+        }
+    }
+
+    /** Register broadcast receiver and run completion callback if passed. */
+    @AnyThread
+    private void registerInternal(
+            Context context, @Nullable Runnable completionCallback, String... actions) {
         context.registerReceiver(this, getFilter(actions));
+        if (completionCallback != null) {
+            completionCallback.run();
+        }
     }
 
     /**
-     * Helper method to register multiple actions associated with a action. Caller should be from
-     * main thread.
+     * Same as {@link #register(Context, Runnable, String...)} above but with additional flags
+     * params.
      */
-    @UiThread
-    public void registerPkgActionsAsync(Context context, @Nullable String pkg, String... actions) {
-        assertOnMainThread();
-        UI_HELPER_EXECUTOR.execute(() -> registerPkgActionsSync(context, pkg, actions));
+    @AnyThread
+    public void register(
+            Context context, @Nullable Runnable completionCallback, int flags, String... actions) {
+        if (Looper.myLooper() == mHandler.getLooper()) {
+            registerInternal(context, completionCallback, flags, actions);
+        } else {
+            mHandler.post(() -> registerInternal(context, completionCallback, flags, actions));
+        }
+    }
+
+    /** Register broadcast receiver and run completion callback if passed. */
+    @AnyThread
+    private void registerInternal(
+            Context context, @Nullable Runnable completionCallback, int flags, String... actions) {
+        context.registerReceiver(this, getFilter(actions), flags);
+        if (completionCallback != null) {
+            completionCallback.run();
+        }
+    }
+
+    /** Same as {@link #register(Context, Runnable, String...)} above but with pkg name. */
+    @AnyThread
+    public void registerPkgActions(Context context, @Nullable String pkg, String... actions) {
+        if (Looper.myLooper() == mHandler.getLooper()) {
+            context.registerReceiver(this, getPackageFilter(pkg, actions));
+        } else {
+            mHandler.post(() -> {
+                context.registerReceiver(this, getPackageFilter(pkg, actions));
+            });
+        }
     }
 
     /**
-     * Helper method to register multiple actions associated with a action. Caller should be from
-     * bg thread.
+     * Unregister broadcast receiver. If this method is called on the same looper with mHandler's
+     * looper, then unregister will be called synchronously. Otherwise asynchronously. This ensures
+     * unregister happens on {@link #mHandler}'s looper.
      */
-    @WorkerThread
-    public void registerPkgActionsSync(Context context, @Nullable String pkg, String... actions) {
-        assertOnBgThread();
-        context.registerReceiver(this, getPackageFilter(pkg, actions));
+    @AnyThread
+    public void unregisterReceiverSafely(Context context) {
+        if (Looper.myLooper() == mHandler.getLooper()) {
+            unregisterReceiverSafelyInternal(context);
+        } else {
+            mHandler.post(() -> {
+                unregisterReceiverSafelyInternal(context);
+            });
+        }
     }
 
-    /**
-     * Unregisters the receiver ignoring any errors on bg thread. Caller should be on main thread.
-     */
-    @UiThread
-    public void unregisterReceiverSafelyAsync(Context context) {
-        assertOnMainThread();
-        UI_HELPER_EXECUTOR.execute(() -> unregisterReceiverSafelySync(context));
-    }
-
-    /**
-     * Unregisters the receiver ignoring any errors on bg thread. Caller should be on bg thread.
-     */
-    @WorkerThread
-    public void unregisterReceiverSafelySync(Context context) {
-        assertOnBgThread();
+    /** Unregister broadcast receiver ignoring any errors. */
+    @AnyThread
+    private void unregisterReceiverSafelyInternal(Context context) {
         try {
             context.unregisterReceiver(this);
         } catch (IllegalArgumentException e) {
@@ -121,20 +174,4 @@
         }
         return filter;
     }
-
-    private static void assertOnBgThread() {
-        if (BuildConfig.IS_STUDIO_BUILD && isMainThread()) {
-            throw new IllegalStateException("Should not be called from main thread!");
-        }
-    }
-
-    private static void assertOnMainThread() {
-        if (BuildConfig.IS_STUDIO_BUILD && !isMainThread()) {
-            throw new IllegalStateException("Should not be called from bg thread!");
-        }
-    }
-
-    private static boolean isMainThread() {
-        return Thread.currentThread() == Looper.getMainLooper().getThread();
-    }
 }
diff --git a/src/com/android/launcher3/util/WallpaperOffsetInterpolator.java b/src/com/android/launcher3/util/WallpaperOffsetInterpolator.java
index a2277a0..f8cbe0d 100644
--- a/src/com/android/launcher3/util/WallpaperOffsetInterpolator.java
+++ b/src/com/android/launcher3/util/WallpaperOffsetInterpolator.java
@@ -32,7 +32,7 @@
     private static final int MIN_PARALLAX_PAGE_SPAN = 4;
 
     private final SimpleBroadcastReceiver mWallpaperChangeReceiver =
-            new SimpleBroadcastReceiver(i -> onWallpaperChanged());
+            new SimpleBroadcastReceiver(UI_HELPER_EXECUTOR, i -> onWallpaperChanged());
     private final Workspace<?> mWorkspace;
     private final boolean mIsRtl;
     private final Handler mHandler;
@@ -198,10 +198,10 @@
     public void setWindowToken(IBinder token) {
         mWindowToken = token;
         if (mWindowToken == null && mRegistered) {
-            mWallpaperChangeReceiver.unregisterReceiverSafelyAsync(mWorkspace.getContext());
+            mWallpaperChangeReceiver.unregisterReceiverSafely(mWorkspace.getContext());
             mRegistered = false;
         } else if (mWindowToken != null && !mRegistered) {
-            mWallpaperChangeReceiver.registerAsync(
+            mWallpaperChangeReceiver.register(
                     mWorkspace.getContext(), ACTION_WALLPAPER_CHANGED);
             onWallpaperChanged();
             mRegistered = true;
diff --git a/tests/multivalentTests/shared/com/android/launcher3/testing/shared/TestProtocol.java b/tests/multivalentTests/shared/com/android/launcher3/testing/shared/TestProtocol.java
index 59d0de6..fab3015 100644
--- a/tests/multivalentTests/shared/com/android/launcher3/testing/shared/TestProtocol.java
+++ b/tests/multivalentTests/shared/com/android/launcher3/testing/shared/TestProtocol.java
@@ -174,6 +174,7 @@
     public static final String TEST_DRAG_APP_ICON_TO_MULTIPLE_WORKSPACES_FAILURE = "b/326908466";
     public static final String WIDGET_CONFIG_NULL_EXTRA_INTENT = "b/324419890";
     public static final String OVERVIEW_SELECT_TOOLTIP_MISALIGNED = "b/332485341";
+    public static final String PRIVATE_SPACE_SCROLL_FAILURE = "b/339737008";
 
     public static final String REQUEST_FLAG_ENABLE_GRID_ONLY_OVERVIEW = "enable-grid-only-overview";
     public static final String REQUEST_FLAG_ENABLE_APP_PAIRS = "enable-app-pairs";
diff --git a/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java b/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
index 6e01f9e..3d253b4 100644
--- a/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
+++ b/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
@@ -22,6 +22,7 @@
 import static com.android.launcher3.testing.shared.TestProtocol.ICON_MISSING;
 import static com.android.launcher3.testing.shared.TestProtocol.WIDGET_CONFIG_NULL_EXTRA_INTENT;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
+import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
@@ -238,9 +239,9 @@
     protected void clearPackageData(String pkg) throws IOException, InterruptedException {
         final CountDownLatch count = new CountDownLatch(2);
         final SimpleBroadcastReceiver broadcastReceiver =
-                new SimpleBroadcastReceiver(i -> count.countDown());
+                new SimpleBroadcastReceiver(UI_HELPER_EXECUTOR, i -> count.countDown());
         // We OK to make binder calls on main thread in test.
-        broadcastReceiver.registerPkgActionsSync(mTargetContext, pkg,
+        broadcastReceiver.registerPkgActions(mTargetContext, pkg,
                 Intent.ACTION_PACKAGE_RESTARTED, Intent.ACTION_PACKAGE_DATA_CLEARED);
 
         mDevice.executeShellCommand("pm clear " + pkg);
diff --git a/tests/src/com/android/launcher3/ui/workspace/TaplTwoPanelWorkspaceTest.java b/tests/src/com/android/launcher3/ui/workspace/TaplTwoPanelWorkspaceTest.java
index 9e4299e..eb05000 100644
--- a/tests/src/com/android/launcher3/ui/workspace/TaplTwoPanelWorkspaceTest.java
+++ b/tests/src/com/android/launcher3/ui/workspace/TaplTwoPanelWorkspaceTest.java
@@ -167,6 +167,7 @@
 
     @Test
     @PortraitLandscape
+    @ScreenRecordRule.ScreenRecord // b/352130094
     public void testDragIconToPage2() {
         Workspace workspace = mLauncher.getWorkspace();
 
diff --git a/tests/src/com/android/launcher3/util/SimpleBroadcastReceiverTest.kt b/tests/src/com/android/launcher3/util/SimpleBroadcastReceiverTest.kt
new file mode 100644
index 0000000..1de99c5
--- /dev/null
+++ b/tests/src/com/android/launcher3/util/SimpleBroadcastReceiverTest.kt
@@ -0,0 +1,158 @@
+/*
+ * 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.util
+
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
+import android.os.Handler
+import android.os.Looper
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.SmallTest
+import com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR
+import com.google.common.truth.Truth.assertThat
+import java.util.function.Consumer
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.ArgumentCaptor
+import org.mockito.ArgumentMatchers.eq
+import org.mockito.ArgumentMatchers.same
+import org.mockito.Captor
+import org.mockito.Mock
+import org.mockito.MockitoAnnotations
+import org.mockito.kotlin.verify
+
+@SmallTest
+@RunWith(AndroidJUnit4::class)
+class SimpleBroadcastReceiverTest {
+
+    private lateinit var underTest: SimpleBroadcastReceiver
+
+    @Mock private lateinit var intentConsumer: Consumer<Intent>
+    @Mock private lateinit var context: Context
+    @Mock private lateinit var completionRunnable: Runnable
+    @Captor private lateinit var intentFilterCaptor: ArgumentCaptor<IntentFilter>
+
+    @Before
+    fun setUp() {
+        MockitoAnnotations.initMocks(this)
+        underTest = SimpleBroadcastReceiver(UI_HELPER_EXECUTOR, intentConsumer)
+        if (Looper.getMainLooper() == null) {
+            Looper.prepareMainLooper()
+        }
+    }
+
+    @Test
+    fun async_register() {
+        underTest.register(context, "test_action_1", "test_action_2")
+        awaitTasksCompleted()
+
+        verify(context).registerReceiver(same(underTest), intentFilterCaptor.capture())
+        val intentFilter = intentFilterCaptor.value
+        assertThat(intentFilter.countActions()).isEqualTo(2)
+        assertThat(intentFilter.getAction(0)).isEqualTo("test_action_1")
+        assertThat(intentFilter.getAction(1)).isEqualTo("test_action_2")
+    }
+
+    @Test
+    fun async_register_withCompletionRunnable() {
+        underTest.register(context, completionRunnable, "test_action_1", "test_action_2")
+        awaitTasksCompleted()
+
+        verify(context).registerReceiver(same(underTest), intentFilterCaptor.capture())
+        verify(completionRunnable).run()
+        val intentFilter = intentFilterCaptor.value
+        assertThat(intentFilter.countActions()).isEqualTo(2)
+        assertThat(intentFilter.getAction(0)).isEqualTo("test_action_1")
+        assertThat(intentFilter.getAction(1)).isEqualTo("test_action_2")
+    }
+
+    @Test
+    fun async_register_withCompletionRunnable_and_flag() {
+        underTest.register(context, completionRunnable, 1, "test_action_1", "test_action_2")
+        awaitTasksCompleted()
+
+        verify(context).registerReceiver(same(underTest), intentFilterCaptor.capture(), eq(1))
+        verify(completionRunnable).run()
+        val intentFilter = intentFilterCaptor.value
+        assertThat(intentFilter.countActions()).isEqualTo(2)
+        assertThat(intentFilter.getAction(0)).isEqualTo("test_action_1")
+        assertThat(intentFilter.getAction(1)).isEqualTo("test_action_2")
+    }
+
+    @Test
+    fun async_register_with_package() {
+        underTest.registerPkgActions(context, "pkg", "test_action_1", "test_action_2")
+
+        awaitTasksCompleted()
+        verify(context).registerReceiver(same(underTest), intentFilterCaptor.capture())
+        val intentFilter = intentFilterCaptor.value
+        assertThat(intentFilter.getDataScheme(0)).isEqualTo("package")
+        assertThat(intentFilter.getDataSchemeSpecificPart(0).path).isEqualTo("pkg")
+        assertThat(intentFilter.countActions()).isEqualTo(2)
+        assertThat(intentFilter.getAction(0)).isEqualTo("test_action_1")
+        assertThat(intentFilter.getAction(1)).isEqualTo("test_action_2")
+    }
+
+    @Test
+    fun sync_register_withCompletionRunnable_and_flag() {
+        underTest = SimpleBroadcastReceiver(Handler(Looper.getMainLooper()), intentConsumer)
+
+        underTest.register(context, completionRunnable, 1, "test_action_1", "test_action_2")
+
+        verify(context).registerReceiver(same(underTest), intentFilterCaptor.capture(), eq(1))
+        verify(completionRunnable).run()
+        val intentFilter = intentFilterCaptor.value
+        assertThat(intentFilter.countActions()).isEqualTo(2)
+        assertThat(intentFilter.getAction(0)).isEqualTo("test_action_1")
+        assertThat(intentFilter.getAction(1)).isEqualTo("test_action_2")
+    }
+
+    @Test
+    fun async_unregister() {
+        underTest.unregisterReceiverSafely(context)
+
+        awaitTasksCompleted()
+        verify(context).unregisterReceiver(same(underTest))
+    }
+
+    @Test
+    fun sync_unregister() {
+        underTest = SimpleBroadcastReceiver(Handler(Looper.getMainLooper()), intentConsumer)
+
+        underTest.unregisterReceiverSafely(context)
+
+        verify(context).unregisterReceiver(same(underTest))
+    }
+
+    @Test
+    fun getPackageFilter() {
+        val intentFilter =
+            SimpleBroadcastReceiver.getPackageFilter("pkg", "test_action_1", "test_action_2")
+
+        assertThat(intentFilter.getDataScheme(0)).isEqualTo("package")
+        assertThat(intentFilter.getDataSchemeSpecificPart(0).path).isEqualTo("pkg")
+        assertThat(intentFilter.countActions()).isEqualTo(2)
+        assertThat(intentFilter.getAction(0)).isEqualTo("test_action_1")
+        assertThat(intentFilter.getAction(1)).isEqualTo("test_action_2")
+    }
+
+    private fun awaitTasksCompleted() {
+        UI_HELPER_EXECUTOR.submit<Any> { null }.get()
+    }
+}