diff --git a/go/src/com/android/launcher3/model/LauncherBinder.java b/go/src/com/android/launcher3/model/LauncherBinder.java
index 437d8ca..7a0dce8 100644
--- a/go/src/com/android/launcher3/model/LauncherBinder.java
+++ b/go/src/com/android/launcher3/model/LauncherBinder.java
@@ -38,4 +38,8 @@
     @Override
     public void bindWidgets() {
     }
+
+    @Override
+    public void bindSmartspaceWidget() {
+    }
 }
diff --git a/quickstep/src/com/android/launcher3/model/PredictionHelper.java b/quickstep/src/com/android/launcher3/model/PredictionHelper.java
index 738dd83..dbd99e1 100644
--- a/quickstep/src/com/android/launcher3/model/PredictionHelper.java
+++ b/quickstep/src/com/android/launcher3/model/PredictionHelper.java
@@ -67,6 +67,9 @@
         } else if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_FOLDER) {
             return new AppTarget.Builder(new AppTargetId("folder:" + info.id),
                     context.getPackageName(), info.user).build();
+        } else if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APP_PAIR) {
+            return new AppTarget.Builder(new AppTargetId("app_pair:" + info.id),
+                    context.getPackageName(), info.user).build();
         }
         return null;
     }
diff --git a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
index e6dfe0f..1c7d7e0 100644
--- a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
@@ -337,7 +337,7 @@
     }
 
     public boolean isBubbleBarEnabled() {
-        return BubbleBarController.BUBBLE_BAR_ENABLED;
+        return BubbleBarController.isBubbleBarEnabled();
     }
 
     /** Whether the bubble bar has any bubbles. */
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
index 0aa02f2..9f8f82a 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
@@ -218,7 +218,8 @@
 
         // If Bubble bar is present, TaskbarControllers depends on it so build it first.
         Optional<BubbleControllers> bubbleControllersOptional = Optional.empty();
-        if (BubbleBarController.BUBBLE_BAR_ENABLED && bubbleBarView != null) {
+        BubbleBarController.onTaskbarRecreated();
+        if (BubbleBarController.isBubbleBarEnabled() && bubbleBarView != null) {
             bubbleControllersOptional = Optional.of(new BubbleControllers(
                     new BubbleBarController(this, bubbleBarView),
                     new BubbleBarViewController(this, bubbleBarView),
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarScrimViewController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarScrimViewController.java
index a0ce976..712374d 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarScrimViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarScrimViewController.java
@@ -17,7 +17,7 @@
 
 import static android.view.View.VISIBLE;
 
-import static com.android.launcher3.taskbar.bubbles.BubbleBarController.BUBBLE_BAR_ENABLED;
+import static com.android.launcher3.taskbar.bubbles.BubbleBarController.isBubbleBarEnabled;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_BUBBLES_EXPANDED;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_BUBBLES_MANAGE_MENU_EXPANDED;
 import static com.android.wm.shell.common.bubbles.BubbleConstants.BUBBLE_EXPANDED_SCRIM_ALPHA;
@@ -83,7 +83,7 @@
      * Updates the scrim state based on the flags.
      */
     public void updateStateForSysuiFlags(int stateFlags, boolean skipAnim) {
-        if (BUBBLE_BAR_ENABLED && DisplayController.isTransientTaskbar(mActivity)) {
+        if (isBubbleBarEnabled() && DisplayController.isTransientTaskbar(mActivity)) {
             // These scrims aren't used if bubble bar & transient taskbar are active.
             return;
         }
diff --git a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarController.java b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarController.java
index bd11efd..3fb7247 100644
--- a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarController.java
@@ -85,17 +85,31 @@
  * information to render each of the bubbles & dispatches changes to
  * {@link BubbleBarViewController} which will then update {@link BubbleBarView} as needed.
  *
- * For details around the behavior of the bubble bar, see {@link BubbleBarView}.
+ * <p>For details around the behavior of the bubble bar, see {@link BubbleBarView}.
  */
 public class BubbleBarController extends IBubblesListener.Stub {
 
     private static final String TAG = BubbleBarController.class.getSimpleName();
     private static final boolean DEBUG = false;
 
-    // Whether bubbles are showing in the bubble bar from launcher
-    public static final boolean BUBBLE_BAR_ENABLED =
+    /**
+     * Determines whether bubbles can be shown in the bubble bar. This value updates when the
+     * taskbar is recreated.
+     *
+     * @see #onTaskbarRecreated()
+     */
+    private static boolean sBubbleBarEnabled =
             SystemProperties.getBoolean("persist.wm.debug.bubble_bar", false);
 
+    /** Whether showing bubbles in the launcher bubble bar is enabled. */
+    public static boolean isBubbleBarEnabled() {
+        return sBubbleBarEnabled;
+    }
+
+    /** Re-reads the value of the flag from SystemProperties when taskbar is recreated. */
+    public static void onTaskbarRecreated() {
+        sBubbleBarEnabled = SystemProperties.getBoolean("persist.wm.debug.bubble_bar", false);
+    }
     private static final int MASK_HIDE_BUBBLE_BAR = SYSUI_STATE_BOUNCER_SHOWING
             | SYSUI_STATE_STATUS_BAR_KEYGUARD_SHOWING
             | SYSUI_STATE_STATUS_BAR_KEYGUARD_SHOWING_OCCLUDED
@@ -167,7 +181,7 @@
 
         mSystemUiProxy = SystemUiProxy.INSTANCE.get(context);
 
-        if (BUBBLE_BAR_ENABLED) {
+        if (sBubbleBarEnabled) {
             mSystemUiProxy.setBubblesListener(this);
         }
         mMainExecutor = MAIN_EXECUTOR;
@@ -191,9 +205,9 @@
 
         bubbleControllers.runAfterInit(() -> {
             mBubbleBarViewController.setHiddenForBubbles(
-                    !BUBBLE_BAR_ENABLED || mBubbles.isEmpty());
+                    !sBubbleBarEnabled || mBubbles.isEmpty());
             mBubbleStashedHandleViewController.setHiddenForBubbles(
-                    !BUBBLE_BAR_ENABLED || mBubbles.isEmpty());
+                    !sBubbleBarEnabled || mBubbles.isEmpty());
             mBubbleBarViewController.setUpdateSelectedBubbleAfterCollapse(
                     key -> setSelectedBubble(mBubbles.get(key)));
         });
diff --git a/quickstep/src/com/android/launcher3/taskbar/navbutton/PhoneLandscapeNavLayoutter.kt b/quickstep/src/com/android/launcher3/taskbar/navbutton/PhoneLandscapeNavLayoutter.kt
index 21bbca5..efe9d4b 100644
--- a/quickstep/src/com/android/launcher3/taskbar/navbutton/PhoneLandscapeNavLayoutter.kt
+++ b/quickstep/src/com/android/launcher3/taskbar/navbutton/PhoneLandscapeNavLayoutter.kt
@@ -90,6 +90,17 @@
             }
         }
 
+        repositionContextualButtons()
+    }
+
+    open fun addThreeButtons() {
+        // Swap recents and back button
+        navButtonContainer.addView(recentsButton)
+        navButtonContainer.addView(homeButton)
+        navButtonContainer.addView(backButton)
+    }
+
+    open fun repositionContextualButtons() {
         endContextualContainer.removeAllViews()
         startContextualContainer.removeAllViews()
 
@@ -108,11 +119,4 @@
             rotationButton.currentView.layoutParams = getParamsToCenterView()
         }
     }
-
-    open fun addThreeButtons() {
-        // Swap recents and back button
-        navButtonContainer.addView(recentsButton)
-        navButtonContainer.addView(homeButton)
-        navButtonContainer.addView(backButton)
-    }
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/navbutton/PhoneSeascapeNavLayoutter.kt b/quickstep/src/com/android/launcher3/taskbar/navbutton/PhoneSeascapeNavLayoutter.kt
index cde39f3..fd6e991 100644
--- a/quickstep/src/com/android/launcher3/taskbar/navbutton/PhoneSeascapeNavLayoutter.kt
+++ b/quickstep/src/com/android/launcher3/taskbar/navbutton/PhoneSeascapeNavLayoutter.kt
@@ -48,7 +48,9 @@
         navButtonContainer.addView(backButton)
         navButtonContainer.addView(homeButton)
         navButtonContainer.addView(recentsButton)
+    }
 
+    override fun repositionContextualButtons() {
         endContextualContainer.removeAllViews()
         startContextualContainer.removeAllViews()
 
diff --git a/quickstep/src/com/android/launcher3/uioverrides/flags/FlagsFactory.java b/quickstep/src/com/android/launcher3/uioverrides/flags/FlagsFactory.java
index a68e753..6279f63 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/flags/FlagsFactory.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/flags/FlagsFactory.java
@@ -116,8 +116,9 @@
         boolean defaultValue = DeviceConfig.getBoolean(NAMESPACE_LAUNCHER, key, defaultValueInCode);
         if (IS_DEBUG_DEVICE) {
             boolean currentValue = getSharedPreferences().getBoolean(key, defaultValue);
-            DebugFlag flag = new DeviceFlag(key, description, flagState, currentValue,
-                    defaultValueInCode);
+            DebugFlag flag = new DeviceFlag(key, description,
+                    (defaultValue == defaultValueInCode) ? flagState
+                            : defaultValue ? ENABLED : DISABLED, currentValue, defaultValueInCode);
             sDebugFlags.add(flag);
             return flag;
         } else {
diff --git a/quickstep/src/com/android/quickstep/SystemUiProxy.java b/quickstep/src/com/android/quickstep/SystemUiProxy.java
index 419824a..56765e5 100644
--- a/quickstep/src/com/android/quickstep/SystemUiProxy.java
+++ b/quickstep/src/com/android/quickstep/SystemUiProxy.java
@@ -78,7 +78,7 @@
 import com.android.wm.shell.back.IBackAnimation;
 import com.android.wm.shell.bubbles.IBubbles;
 import com.android.wm.shell.bubbles.IBubblesListener;
-import com.android.wm.shell.common.split.SplitScreenConstants.SnapPosition;
+import com.android.wm.shell.common.split.SplitScreenConstants.PersistentSnapPosition;
 import com.android.wm.shell.desktopmode.IDesktopMode;
 import com.android.wm.shell.desktopmode.IDesktopTaskListener;
 import com.android.wm.shell.draganddrop.IDragAndDrop;
@@ -799,7 +799,7 @@
 
     /** Start multiple tasks in split-screen simultaneously. */
     public void startTasks(int taskId1, Bundle options1, int taskId2, Bundle options2,
-            @StagePosition int splitPosition, @SnapPosition int snapPosition,
+            @StagePosition int splitPosition, @PersistentSnapPosition int snapPosition,
             RemoteTransition remoteTransition, InstanceId instanceId) {
         if (mSystemUiProxy != null) {
             try {
@@ -813,7 +813,7 @@
 
     public void startIntentAndTask(PendingIntent pendingIntent, int userId1, Bundle options1,
             int taskId, Bundle options2, @StagePosition int splitPosition,
-            @SnapPosition int snapPosition, RemoteTransition remoteTransition,
+            @PersistentSnapPosition int snapPosition, RemoteTransition remoteTransition,
             InstanceId instanceId) {
         if (mSystemUiProxy != null) {
             try {
@@ -828,7 +828,7 @@
     public void startIntents(PendingIntent pendingIntent1, int userId1,
             @Nullable ShortcutInfo shortcutInfo1, Bundle options1, PendingIntent pendingIntent2,
             int userId2, @Nullable ShortcutInfo shortcutInfo2, Bundle options2,
-            @StagePosition int splitPosition, @SnapPosition int snapPosition,
+            @StagePosition int splitPosition, @PersistentSnapPosition int snapPosition,
             RemoteTransition remoteTransition, InstanceId instanceId) {
         if (mSystemUiProxy != null) {
             try {
@@ -842,8 +842,9 @@
     }
 
     public void startShortcutAndTask(ShortcutInfo shortcutInfo, Bundle options1, int taskId,
-            Bundle options2, @StagePosition int splitPosition, @SnapPosition int snapPosition,
-            RemoteTransition remoteTransition, InstanceId instanceId) {
+            Bundle options2, @StagePosition int splitPosition,
+            @PersistentSnapPosition int snapPosition, RemoteTransition remoteTransition,
+            InstanceId instanceId) {
         if (mSystemUiProxy != null) {
             try {
                 mSplitScreen.startShortcutAndTask(shortcutInfo, options1, taskId, options2,
@@ -858,8 +859,9 @@
      * Start multiple tasks in split-screen simultaneously.
      */
     public void startTasksWithLegacyTransition(int taskId1, Bundle options1, int taskId2,
-            Bundle options2, @StagePosition int splitPosition, @SnapPosition int snapPosition,
-            RemoteAnimationAdapter adapter, InstanceId instanceId) {
+            Bundle options2, @StagePosition int splitPosition,
+            @PersistentSnapPosition int snapPosition, RemoteAnimationAdapter adapter,
+            InstanceId instanceId) {
         if (mSystemUiProxy != null) {
             try {
                 mSplitScreen.startTasksWithLegacyTransition(taskId1, options1, taskId2, options2,
@@ -873,7 +875,8 @@
 
     public void startIntentAndTaskWithLegacyTransition(PendingIntent pendingIntent, int userId1,
             Bundle options1, int taskId, Bundle options2, @StagePosition int splitPosition,
-            @SnapPosition int snapPosition, RemoteAnimationAdapter adapter, InstanceId instanceId) {
+            @PersistentSnapPosition int snapPosition, RemoteAnimationAdapter adapter,
+            InstanceId instanceId) {
         if (mSystemUiProxy != null) {
             try {
                 mSplitScreen.startIntentAndTaskWithLegacyTransition(pendingIntent, userId1,
@@ -888,7 +891,8 @@
 
     public void startShortcutAndTaskWithLegacyTransition(ShortcutInfo shortcutInfo, Bundle options1,
             int taskId, Bundle options2, @StagePosition int splitPosition,
-            @SnapPosition int snapPosition, RemoteAnimationAdapter adapter, InstanceId instanceId) {
+            @PersistentSnapPosition int snapPosition, RemoteAnimationAdapter adapter,
+            InstanceId instanceId) {
         if (mSystemUiProxy != null) {
             try {
                 mSplitScreen.startShortcutAndTaskWithLegacyTransition(shortcutInfo, options1,
@@ -908,7 +912,8 @@
             @Nullable ShortcutInfo shortcutInfo1, @Nullable Bundle options1,
             PendingIntent pendingIntent2, int userId2, @Nullable ShortcutInfo shortcutInfo2,
             @Nullable Bundle options2, @StagePosition int sidePosition,
-            @SnapPosition int snapPosition, RemoteAnimationAdapter adapter, InstanceId instanceId) {
+            @PersistentSnapPosition int snapPosition, RemoteAnimationAdapter adapter,
+            InstanceId instanceId) {
         if (mSystemUiProxy != null) {
             try {
                 mSplitScreen.startIntentsWithLegacyTransition(pendingIntent1, userId1,
diff --git a/quickstep/src/com/android/quickstep/TaskShortcutFactory.java b/quickstep/src/com/android/quickstep/TaskShortcutFactory.java
index 2adc790..b3b7be4 100644
--- a/quickstep/src/com/android/quickstep/TaskShortcutFactory.java
+++ b/quickstep/src/com/android/quickstep/TaskShortcutFactory.java
@@ -50,6 +50,7 @@
 import com.android.launcher3.touch.PagedOrientationHandler;
 import com.android.launcher3.util.InstantAppResolver;
 import com.android.launcher3.util.SplitConfigurationOptions.SplitPositionOption;
+import com.android.quickstep.views.GroupedTaskView;
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.TaskThumbnailView;
 import com.android.quickstep.views.TaskView;
@@ -128,12 +129,12 @@
 
     /**
      * A menu item, "Save app pair", that allows the user to preserve the current app combination as
-     * a single persistent icon on the Home screen, allowing for quick split screen initialization.
+     * one persistent icon on the Home screen, allowing for quick split screen launching.
      */
     class SaveAppPairSystemShortcut extends SystemShortcut<BaseDraggingActivity> {
-        private final TaskView mTaskView;
+        private final GroupedTaskView mTaskView;
 
-        public SaveAppPairSystemShortcut(BaseDraggingActivity activity, TaskView taskView) {
+        public SaveAppPairSystemShortcut(BaseDraggingActivity activity, GroupedTaskView taskView) {
             super(R.drawable.ic_save_app_pair, R.string.save_app_pair, activity,
                     taskView.getItemInfo(), taskView);
             mTaskView = taskView;
@@ -318,7 +319,8 @@
                 return null;
             }
 
-            return Collections.singletonList(new SaveAppPairSystemShortcut(activity, taskView));
+            return Collections.singletonList(
+                    new SaveAppPairSystemShortcut(activity, (GroupedTaskView) taskView));
         }
 
         @Override
diff --git a/quickstep/src/com/android/quickstep/util/AppPairsController.java b/quickstep/src/com/android/quickstep/util/AppPairsController.java
index 1a7099d..8888831 100644
--- a/quickstep/src/com/android/quickstep/util/AppPairsController.java
+++ b/quickstep/src/com/android/quickstep/util/AppPairsController.java
@@ -20,46 +20,46 @@
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_APP_PAIR_LAUNCH;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
+import static com.android.wm.shell.common.split.SplitScreenConstants.SPLIT_POSITION_BOTTOM_OR_RIGHT;
+import static com.android.wm.shell.common.split.SplitScreenConstants.SPLIT_POSITION_TOP_OR_LEFT;
+import static com.android.wm.shell.common.split.SplitScreenConstants.isPersistentSnapPosition;
 
 import android.app.ActivityTaskManager;
 import android.content.Context;
 import android.content.Intent;
 
 import androidx.annotation.Nullable;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherSettings;
+import com.android.launcher3.R;
 import com.android.launcher3.accessibility.LauncherAccessibilityDelegate;
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.logging.StatsLogManager;
 import com.android.launcher3.model.data.FolderInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
 import com.android.launcher3.util.ComponentKey;
-import com.android.launcher3.util.SplitConfigurationOptions;
+import com.android.quickstep.views.GroupedTaskView;
 import com.android.quickstep.views.TaskView;
 import com.android.systemui.shared.recents.model.Task;
+import com.android.wm.shell.common.split.SplitScreenConstants.PersistentSnapPosition;
 
 import java.util.Arrays;
 
 /**
- * Mini controller class that handles app pair interactions: saving, modifying, deleting, etc.
+ * Controller class that handles app pair interactions: saving, modifying, deleting, etc.
+ * <br>
+ * App pairs contain two "member" apps, which are determined at the time of app pair creation
+ * and never modified. The member apps are WorkspaceItemInfos, but use the "rank" attribute
+ * differently from other ItemInfos -- we use it to store information about the split position and
+ * ratio.
  */
 public class AppPairsController {
-
-    private static final int POINT_THREE_RATIO = 0;
-    private static final int POINT_FIVE_RATIO = 1;
-    private static final int POINT_SEVEN_RATIO = 2;
-    /**
-     * Used to calculate {@link #complement(int)}
-     */
-    private static final int FULL_RATIO = 2;
-
-    private static final int LEFT_TOP = 0;
-    private static final int RIGHT_BOTTOM = 1 << 2;
-
-    // TODO (jeremysim b/274189428): Support saving different ratios in future.
-    public int DEFAULT_RATIO = POINT_FIVE_RATIO;
+    // Used for encoding and decoding the "rank" attribute
+    private static final int BITMASK_SIZE = 16;
+    private static final int BITMASK_FOR_SNAP_POSITION = (1 << BITMASK_SIZE) - 1;
 
     private final Context mContext;
     private final SplitSelectStateController mSplitSelectStateController;
@@ -75,17 +75,21 @@
     /**
      * Creates a new app pair ItemInfo and adds it to the workspace
      */
-    public void saveAppPair(TaskView taskView) {
-        TaskView.TaskIdAttributeContainer[] attributes = taskView.getTaskIdAttributeContainers();
+    public void saveAppPair(GroupedTaskView gtv) {
+        TaskView.TaskIdAttributeContainer[] attributes = gtv.getTaskIdAttributeContainers();
         WorkspaceItemInfo app1 = attributes[0].getItemInfo().clone();
         WorkspaceItemInfo app2 = attributes[1].getItemInfo().clone();
         app1.itemType = LauncherSettings.Favorites.ITEM_TYPE_APPLICATION;
         app2.itemType = LauncherSettings.Favorites.ITEM_TYPE_APPLICATION;
-        app1.rank = DEFAULT_RATIO + LEFT_TOP;
-        app2.rank = complement(DEFAULT_RATIO) + RIGHT_BOTTOM;
+
+        @PersistentSnapPosition int snapPosition = gtv.getSnapPosition();
+        if (!isPersistentSnapPosition(snapPosition)) {
+            throw new RuntimeException("tried to save an app pair with illegal snapPosition");
+        }
+
+        app1.rank = encodeRank(SPLIT_POSITION_TOP_OR_LEFT, snapPosition);
+        app2.rank = encodeRank(SPLIT_POSITION_BOTTOM_OR_RIGHT, snapPosition);
         FolderInfo newAppPair = FolderInfo.createAppPair(app1, app2);
-        // TODO (jeremysim b/274189428): Generate default title here.
-        newAppPair.title = "App pair 1";
 
         IconCache iconCache = LauncherAppState.getInstance(mContext).getIconCache();
         MODEL_EXECUTOR.execute(() -> {
@@ -94,6 +98,8 @@
                 member.bitmap = iconCache.getDefaultIcon(newAppPair.user);
                 iconCache.getTitleAndIcon(member, member.usingLowResIcon());
             });
+            newAppPair.title = getDefaultTitle(newAppPair.contents.get(0).title,
+                    newAppPair.contents.get(1).title);
             MAIN_EXECUTOR.execute(() -> {
                 LauncherAccessibilityDelegate delegate =
                         Launcher.getLauncher(mContext).getAccessibilityDelegate();
@@ -128,7 +134,7 @@
                     }
 
                     mSplitSelectStateController.setInitialTaskSelect(task1Intent,
-                            SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT,
+                            AppPairsController.convertRankToStagePosition(app1.rank),
                             app1,
                             LAUNCHER_APP_PAIR_LAUNCH,
                             task1Id);
@@ -141,18 +147,42 @@
                                 app2.intent, app2.user);
                     }
 
-                    mSplitSelectStateController.launchSplitTasks();
+                    mSplitSelectStateController.launchSplitTasks(
+                            AppPairsController.convertRankToSnapPosition(app1.rank));
                 });
     }
 
     /**
-     * Used to calculate the "opposite" side of the split ratio, so we can know how big the split
-     * apps are supposed to be. This math works because POINT_THREE_RATIO is internally represented
-     * by 0, POINT_FIVE_RATIO is represented by 1, and POINT_SEVEN_RATIO is represented by 2. There
-     * are no other supported ratios for now.
+     * App pair members have a "rank" attribute that contains information about the split position
+     * and ratio. We implement this by splitting the int in half (e.g. 16 bits each), then use one
+     * half to store splitPosition (left vs right) and the other half to store snapPosition
+     * (30-70 split vs 50-50 split)
      */
-    private int complement(int ratio1) {
-        int ratio2 = FULL_RATIO - ratio1;
-        return ratio2;
+    @VisibleForTesting
+    public int encodeRank(int splitPosition, int snapPosition) {
+        return (splitPosition << BITMASK_SIZE) + snapPosition;
+    }
+
+    /**
+     * Returns the desired stage position for the app pair to be launched in (decoded from the
+     * "rank" integer).
+     */
+    public static int convertRankToStagePosition(int rank) {
+        return rank >> BITMASK_SIZE;
+    }
+
+    /**
+     * Returns the desired split ratio for the app pair to be launched in (decoded from the "rank"
+     * integer).
+     */
+    public static int convertRankToSnapPosition(int rank) {
+        return rank & BITMASK_FOR_SNAP_POSITION;
+    }
+
+    /**
+     * Returns a formatted default title for the app pair.
+     */
+    public String getDefaultTitle(CharSequence app1, CharSequence app2) {
+        return mContext.getString(R.string.app_pair_default_title, app1, app2);
     }
 }
diff --git a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
index c8831c7..b9829f7 100644
--- a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
+++ b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
@@ -98,7 +98,7 @@
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.system.ActivityManagerWrapper;
 import com.android.systemui.shared.system.RemoteAnimationRunnerCompat;
-import com.android.wm.shell.common.split.SplitScreenConstants.SnapPosition;
+import com.android.wm.shell.common.split.SplitScreenConstants.PersistentSnapPosition;
 import com.android.wm.shell.splitscreen.ISplitSelectListener;
 
 import java.io.PrintWriter;
@@ -289,7 +289,7 @@
      * To be called when the both split tasks are ready to be launched. Call after launcher side
      * animations are complete.
      */
-    public void launchSplitTasks(@SnapPosition int snapPosition,
+    public void launchSplitTasks(@PersistentSnapPosition int snapPosition,
             @Nullable Consumer<Boolean> callback) {
         Pair<InstanceId, com.android.launcher3.logging.InstanceId> instanceIds =
                 LogUtils.getShellShareableInstanceId();
@@ -302,6 +302,14 @@
     }
 
     /**
+     * A version of {@link #launchTasks(Consumer, boolean, int, InstanceId)} with no success
+     * callback.
+     */
+    public void launchSplitTasks(@PersistentSnapPosition int snapPosition) {
+        launchSplitTasks(snapPosition, /* callback */ null);
+    }
+
+    /**
      * A version of {@link #launchSplitTasks(int, Consumer)} that launches with default split ratio.
      */
     public void launchSplitTasks(@Nullable Consumer<Boolean> callback) {
@@ -350,7 +358,7 @@
      *                   foreground (quickswitch, launching previous pairs from overview)
      */
     public void launchTasks(@Nullable Consumer<Boolean> callback, boolean freezeTaskList,
-            @SnapPosition int snapPosition, @Nullable InstanceId shellInstanceId) {
+            @PersistentSnapPosition int snapPosition, @Nullable InstanceId shellInstanceId) {
         TestLogging.recordEvent(
                 TestProtocol.SEQUENCE_MAIN, "launchSplitTasks");
         final ActivityOptions options1 = ActivityOptions.makeBasic();
@@ -455,7 +463,8 @@
      */
     public void launchExistingSplitPair(@Nullable GroupedTaskView groupedTaskView,
             int firstTaskId, int secondTaskId, @StagePosition int stagePosition,
-            Consumer<Boolean> callback, boolean freezeTaskList, @SnapPosition int snapPosition) {
+            Consumer<Boolean> callback, boolean freezeTaskList,
+            @PersistentSnapPosition int snapPosition) {
         mLaunchingTaskView = groupedTaskView;
         final ActivityOptions options1 = ActivityOptions.makeBasic();
         if (freezeTaskList) {
diff --git a/quickstep/src/com/android/quickstep/views/GroupedTaskView.java b/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
index 3d33c87..71758ad 100644
--- a/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
+++ b/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
@@ -35,7 +35,7 @@
 import com.android.systemui.shared.recents.model.ThumbnailData;
 import com.android.systemui.shared.recents.utilities.PreviewPositionHelper;
 import com.android.systemui.shared.system.InteractionJankMonitorWrapper;
-import com.android.wm.shell.common.split.SplitScreenConstants.SnapPosition;
+import com.android.wm.shell.common.split.SplitScreenConstants.PersistentSnapPosition;
 
 import java.util.HashMap;
 import java.util.function.Consumer;
@@ -200,9 +200,9 @@
     }
 
     /**
-     * Returns the {@link SnapPosition} of this pair of tasks.
+     * Returns the {@link PersistentSnapPosition} of this pair of tasks.
      */
-    public int getSnapPosition() {
+    public @PersistentSnapPosition int getSnapPosition() {
         if (mSplitBoundsConfig == null) {
             throw new IllegalStateException("mSplitBoundsConfig is null");
         }
diff --git a/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java b/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
index f383949..3039261 100644
--- a/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
+++ b/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
@@ -83,6 +83,7 @@
     @After
     public void tearDown() {
         executeOnLauncher(launcher -> {
+            if (launcher == null) return;
             RecentsView recentsView = launcher.getOverviewPanel();
             recentsView.getPagedViewOrientedState().forceAllowRotationForTesting(false);
         });
diff --git a/quickstep/tests/src/com/android/quickstep/util/AppPairsControllerTest.kt b/quickstep/tests/src/com/android/quickstep/util/AppPairsControllerTest.kt
new file mode 100644
index 0000000..1723844
--- /dev/null
+++ b/quickstep/tests/src/com/android/quickstep/util/AppPairsControllerTest.kt
@@ -0,0 +1,147 @@
+/*
+ * 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.quickstep.util
+
+import android.content.Context
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.android.launcher3.logging.StatsLogManager
+import com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_BOTTOM_OR_RIGHT
+import com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT
+import com.android.wm.shell.common.split.SplitScreenConstants.SNAP_TO_30_70
+import com.android.wm.shell.common.split.SplitScreenConstants.SNAP_TO_50_50
+import com.android.wm.shell.common.split.SplitScreenConstants.SNAP_TO_70_30
+import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.Mock
+import org.mockito.MockitoAnnotations
+
+@RunWith(AndroidJUnit4::class)
+class AppPairsControllerTest {
+    @Mock lateinit var context: Context
+    @Mock lateinit var splitSelectStateController: SplitSelectStateController
+    @Mock lateinit var statsLogManager: StatsLogManager
+
+    private lateinit var appPairsController: AppPairsController
+
+    private val left30: Int by lazy {
+        appPairsController.encodeRank(STAGE_POSITION_TOP_OR_LEFT, SNAP_TO_30_70)
+    }
+    private val left50: Int by lazy {
+        appPairsController.encodeRank(STAGE_POSITION_TOP_OR_LEFT, SNAP_TO_50_50)
+    }
+    private val left70: Int by lazy {
+        appPairsController.encodeRank(STAGE_POSITION_TOP_OR_LEFT, SNAP_TO_70_30)
+    }
+    private val right30: Int by lazy {
+        appPairsController.encodeRank(STAGE_POSITION_BOTTOM_OR_RIGHT, SNAP_TO_30_70)
+    }
+    private val right50: Int by lazy {
+        appPairsController.encodeRank(STAGE_POSITION_BOTTOM_OR_RIGHT, SNAP_TO_50_50)
+    }
+    private val right70: Int by lazy {
+        appPairsController.encodeRank(STAGE_POSITION_BOTTOM_OR_RIGHT, SNAP_TO_70_30)
+    }
+
+    @Before
+    fun setup() {
+        MockitoAnnotations.initMocks(this)
+        appPairsController =
+            AppPairsController(context, splitSelectStateController, statsLogManager)
+    }
+
+    @Test
+    fun shouldEncodeRankCorrectly() {
+        assertEquals("left + 30-70 should encode as 0 (0b0)", 0, left30)
+        assertEquals("left + 50-50 should encode as 1 (0b1)", 1, left50)
+        assertEquals("left + 70-30 should encode as 2 (0b10)", 2, left70)
+        // See AppPairsController#BITMASK_SIZE and BITMASK_FOR_SNAP_POSITION for context
+        assertEquals("right + 30-70 should encode as 1 followed by 16 0s", 1 shl 16, right30)
+        assertEquals("right + 50-50 should encode as the above value + 1", (1 shl 16) + 1, right50)
+        assertEquals("right + 70-30 should encode as the above value + 2", (1 shl 16) + 2, right70)
+    }
+
+    @Test
+    fun shouldDecodeRankCorrectly() {
+        assertEquals(
+            "left + 30-70 should decode to left",
+            STAGE_POSITION_TOP_OR_LEFT,
+            AppPairsController.convertRankToStagePosition(left30),
+        )
+        assertEquals(
+            "left + 30-70 should decode to 30-70",
+            SNAP_TO_30_70,
+            AppPairsController.convertRankToSnapPosition(left30),
+        )
+
+        assertEquals(
+            "left + 50-50 should decode to left",
+            STAGE_POSITION_TOP_OR_LEFT,
+            AppPairsController.convertRankToStagePosition(left50),
+        )
+        assertEquals(
+            "left + 50-50 should decode to 50-50",
+            SNAP_TO_50_50,
+            AppPairsController.convertRankToSnapPosition(left50),
+        )
+
+        assertEquals(
+            "left + 70-30 should decode to left",
+            STAGE_POSITION_TOP_OR_LEFT,
+            AppPairsController.convertRankToStagePosition(left70),
+        )
+        assertEquals(
+            "left + 70-30 should decode to 70-30",
+            SNAP_TO_70_30,
+            AppPairsController.convertRankToSnapPosition(left70),
+        )
+
+        assertEquals(
+            "right + 30-70 should decode to right",
+            STAGE_POSITION_BOTTOM_OR_RIGHT,
+            AppPairsController.convertRankToStagePosition(right30),
+        )
+        assertEquals(
+            "right + 30-70 should decode to 30-70",
+            SNAP_TO_30_70,
+            AppPairsController.convertRankToSnapPosition(right30),
+        )
+
+        assertEquals(
+            "right + 50-50 should decode to right",
+            STAGE_POSITION_BOTTOM_OR_RIGHT,
+            AppPairsController.convertRankToStagePosition(right50),
+        )
+        assertEquals(
+            "right + 50-50 should decode to 50-50",
+            SNAP_TO_50_50,
+            AppPairsController.convertRankToSnapPosition(right50),
+        )
+
+        assertEquals(
+            "right + 70-30 should decode to right",
+            STAGE_POSITION_BOTTOM_OR_RIGHT,
+            AppPairsController.convertRankToStagePosition(right70),
+        )
+        assertEquals(
+            "right + 70-30 should decode to 70-30",
+            SNAP_TO_70_30,
+            AppPairsController.convertRankToSnapPosition(right70),
+        )
+    }
+}
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index 7661bd7..070d024 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -245,8 +245,7 @@
     <dimen name="keyboard_drag_stroke_width">4dp</dimen>
 
     <!-- Folders -->
-    <dimen name="page_indicator_dot_size">8dp</dimen>
-    <dimen name="page_indicator_dot_size_v2">6dp</dimen>
+    <dimen name="page_indicator_dot_size">6dp</dimen>
     <dimen name="page_indicator_size">10dp</dimen>
 
 
diff --git a/res/values/strings.xml b/res/values/strings.xml
index a2f4a61..37bd4f1 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -44,6 +44,8 @@
 
     <!-- App pairs -->
     <string name="save_app_pair">Save app pair</string>
+    <!-- App pair default title -->
+    <string name="app_pair_default_title"><xliff:g id="app1" example="Chrome">%1$s</xliff:g> | <xliff:g id="app2" example="YouTube">%2$s</xliff:g></string>
 
     <!-- Widgets -->
     <!-- Message to tell the user to press and hold on a widget to add it [CHAR_LIMIT=50] -->
diff --git a/src/com/android/launcher3/BubbleTextView.java b/src/com/android/launcher3/BubbleTextView.java
index 879000a..6d14b31 100644
--- a/src/com/android/launcher3/BubbleTextView.java
+++ b/src/com/android/launcher3/BubbleTextView.java
@@ -386,10 +386,12 @@
         setTag(itemInfo);
     }
 
+    @VisibleForTesting
     @UiThread
-    protected void applyIconAndLabel(ItemInfoWithIcon info) {
+    public void applyIconAndLabel(ItemInfoWithIcon info) {
         int flags = shouldUseTheme() ? FLAG_THEMED : 0;
-        if (mHideBadge) {
+        // Remove badge on icons smaller than 48dp.
+        if (mHideBadge || mDisplay == DISPLAY_SEARCH_RESULT_SMALL) {
             flags |= FLAG_NO_BADGE;
         }
         FastBitmapDrawable iconDrawable = info.newIcon(getContext(), flags);
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index 94eb7a3..9a2193f 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -705,6 +705,17 @@
     }
 
     /**
+     * Return maximum of all apps row count displayed on screen. Note that 1) Partially displayed
+     * row is counted as 1 row, and 2) we don't exclude the space of floating search bar. This
+     * method is used for calculating number of {@link BubbleTextView} we need to pre-inflate. Thus
+     * reasonable over estimation is fine.
+     */
+    public int getMaxAllAppsRowCount() {
+        return (int) (Math.ceil((availableHeightPx - allAppsTopPadding)
+                / (float) allAppsCellHeightPx));
+    }
+
+    /**
      * QSB width is always calculated because when in 3 button nav the width doesn't follow the
      * width of the hotseat.
      */
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 2b433f1..e3c6ddc 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -28,6 +28,7 @@
 import static com.android.launcher3.AbstractFloatingView.TYPE_REBIND_SAFE;
 import static com.android.launcher3.AbstractFloatingView.TYPE_SNACKBAR;
 import static com.android.launcher3.AbstractFloatingView.getTopOpenViewWithType;
+import static com.android.launcher3.BuildConfig.APPLICATION_ID;
 import static com.android.launcher3.LauncherAnimUtils.HOTSEAT_SCALE_PROPERTY_FACTORY;
 import static com.android.launcher3.LauncherAnimUtils.SCALE_INDEX_WIDGET_TRANSITION;
 import static com.android.launcher3.LauncherAnimUtils.SPRING_LOADED_EXIT_DELAY;
@@ -43,9 +44,11 @@
 import static com.android.launcher3.LauncherState.NO_SCALE;
 import static com.android.launcher3.LauncherState.SPRING_LOADED;
 import static com.android.launcher3.Utilities.postAsyncCallback;
+import static com.android.launcher3.WorkspaceLayoutManager.FIRST_SCREEN_ID;
+import static com.android.launcher3.accessibility.LauncherAccessibilityDelegate.getSupportedActions;
 import static com.android.launcher3.config.FeatureFlags.FOLDABLE_SINGLE_PAGE;
 import static com.android.launcher3.config.FeatureFlags.MULTI_SELECT_EDIT_MODE;
-import static com.android.launcher3.config.FeatureFlags.SHOW_DOT_PAGINATION;
+import static com.android.launcher3.config.FeatureFlags.shouldShowFirstPageWidget;
 import static com.android.launcher3.logging.StatsLogManager.EventEnum;
 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_BACKGROUND;
 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_HOME;
@@ -1321,18 +1324,14 @@
         mDropTargetBar.setup(mDragController);
         mAllAppsController.setupViews(mScrimView, mAppsView);
 
-        if (SHOW_DOT_PAGINATION.get()) {
-            mWorkspace.getPageIndicator().setShouldAutoHide(true);
-            mWorkspace.getPageIndicator().setPaintColor(
-                    Themes.getAttrBoolean(this, R.attr.isWorkspaceDarkText)
-                            ? Color.BLACK
-                            : Color.WHITE);
-        }
+        mWorkspace.getPageIndicator().setShouldAutoHide(true);
+        mWorkspace.getPageIndicator().setPaintColor(Themes.getAttrBoolean(
+                this, R.attr.isWorkspaceDarkText) ? Color.BLACK : Color.WHITE);
     }
 
     @Override
     public View onCreateView(View parent, String name, Context context, AttributeSet attrs) {
-        if (SHOW_DOT_PAGINATION.get() && WorkspacePageIndicator.class.getName().equals(name)) {
+        if (WorkspacePageIndicator.class.getName().equals(name)) {
             return LayoutInflater.from(context).inflate(R.layout.page_indicator_dots,
                     (ViewGroup) parent, false);
         }
@@ -2177,11 +2176,14 @@
     public void bindScreens(IntArray orderedScreenIds) {
         mWorkspace.mPageIndicator.setAreScreensBinding(true);
         int firstScreenPosition = 0;
-        if (FeatureFlags.QSB_ON_FIRST_SCREEN &&
-                orderedScreenIds.indexOf(Workspace.FIRST_SCREEN_ID) != firstScreenPosition) {
-            orderedScreenIds.removeValue(Workspace.FIRST_SCREEN_ID);
-            orderedScreenIds.add(firstScreenPosition, Workspace.FIRST_SCREEN_ID);
-        } else if (!FeatureFlags.QSB_ON_FIRST_SCREEN && orderedScreenIds.isEmpty()) {
+        if ((FeatureFlags.QSB_ON_FIRST_SCREEN
+                && !shouldShowFirstPageWidget())
+                && orderedScreenIds.indexOf(FIRST_SCREEN_ID) != firstScreenPosition) {
+            orderedScreenIds.removeValue(FIRST_SCREEN_ID);
+            orderedScreenIds.add(firstScreenPosition, FIRST_SCREEN_ID);
+        } else if ((!FeatureFlags.QSB_ON_FIRST_SCREEN
+                || shouldShowFirstPageWidget())
+                && orderedScreenIds.isEmpty()) {
             // If there are no screens, we need to have an empty screen
             mWorkspace.addExtraEmptyScreens();
         }
@@ -2229,7 +2231,9 @@
         int count = orderedScreenIds.size();
         for (int i = 0; i < count; i++) {
             int screenId = orderedScreenIds.get(i);
-            if (FeatureFlags.QSB_ON_FIRST_SCREEN && screenId == Workspace.FIRST_SCREEN_ID) {
+            if (FeatureFlags.QSB_ON_FIRST_SCREEN
+                    && !shouldShowFirstPageWidget()
+                    && screenId == FIRST_SCREEN_ID) {
                 // No need to bind the first screen, as its always bound.
                 continue;
             }
@@ -2930,6 +2934,36 @@
     }
 
     @Override
+    public void bindSmartspaceWidget() {
+        CellLayout cl = mWorkspace.getScreenWithId(FIRST_SCREEN_ID);
+        int spanX = InvariantDeviceProfile.INSTANCE.get(this).numSearchContainerColumns;
+        if (cl != null) {
+            for (int col = 0; col < spanX; col++) {
+                if (cl.isOccupied(col, 0)) {
+                    return;
+                }
+            }
+        } else {
+            return;
+        }
+
+        WidgetsListBaseEntry widgetsListBaseEntry = getPopupDataProvider()
+                .getAllWidgets().stream().filter(
+                        item -> item.mPkgItem.packageName.equals(
+                                APPLICATION_ID))
+                .findFirst()
+                .orElse(null);
+        if (widgetsListBaseEntry != null) {
+            LauncherAppWidgetProviderInfo launcherAppWidgetProviderInfo =
+                    widgetsListBaseEntry.mWidgets.get(0).widgetInfo;
+            PendingAddWidgetInfo info = new PendingAddWidgetInfo(launcherAppWidgetProviderInfo,
+                    CONTAINER_DESKTOP);
+            addPendingItem(info, info.container, FIRST_SCREEN_ID, new int[]{0, 0}, info.spanX,
+                    info.spanY);
+        }
+    }
+
+    @Override
     public void bindStringCache(StringCache cache) {
         mStringCache = cache;
         mAppsView.updateWorkUI();
diff --git a/src/com/android/launcher3/LauncherPrefs.kt b/src/com/android/launcher3/LauncherPrefs.kt
index e8d5116..bdd92eb 100644
--- a/src/com/android/launcher3/LauncherPrefs.kt
+++ b/src/com/android/launcher3/LauncherPrefs.kt
@@ -21,6 +21,7 @@
 import android.content.SharedPreferences.OnSharedPreferenceChangeListener
 import android.util.Log
 import androidx.annotation.VisibleForTesting
+import com.android.launcher3.BuildConfig.WIDGET_ON_FIRST_SCREEN
 import com.android.launcher3.LauncherFiles.DEVICE_PREFERENCES_KEY
 import com.android.launcher3.LauncherFiles.SHARED_PREFERENCES_KEY
 import com.android.launcher3.allapps.WorkProfileManager
@@ -278,6 +279,7 @@
         @JvmStatic fun get(context: Context): LauncherPrefs = INSTANCE.get(context)
 
         const val TASKBAR_PINNING_KEY = "TASKBAR_PINNING_KEY"
+        const val SHOULD_SHOW_SMARTSPACE_KEY = "SHOULD_SHOW_SMARTSPACE_KEY"
         @JvmField val ICON_STATE = nonRestorableItem(LauncherAppState.KEY_ICON_STATE, "", true)
         @JvmField
         val ALL_APPS_OVERVIEW_THRESHOLD =
@@ -292,6 +294,9 @@
         @JvmField
         val DEVICE_TYPE =
             backedUpItem(DeviceGridState.KEY_DEVICE_TYPE, InvariantDeviceProfile.TYPE_PHONE, true)
+        @JvmField
+        val SHOULD_SHOW_SMARTSPACE =
+            backedUpItem("SHOULD_SHOW_SMARTSPACE_KEY", WIDGET_ON_FIRST_SCREEN, true)
         @JvmField val DB_FILE = backedUpItem(DeviceGridState.KEY_DB_FILE, "", true)
         @JvmField
         val RESTORE_DEVICE =
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index a1a3974..c20d602 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -29,6 +29,7 @@
 import static com.android.launcher3.MotionEventsUtils.isTrackpadMultiFingerSwipe;
 import static com.android.launcher3.anim.AnimatorListeners.forSuccessCallback;
 import static com.android.launcher3.config.FeatureFlags.FOLDABLE_SINGLE_PAGE;
+import static com.android.launcher3.config.FeatureFlags.shouldShowFirstPageWidget;
 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_HOME;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_SWIPELEFT;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_SWIPERIGHT;
@@ -71,6 +72,7 @@
 import com.android.launcher3.accessibility.AccessibleDragListenerAdapter;
 import com.android.launcher3.accessibility.WorkspaceAccessibilityHelper;
 import com.android.launcher3.anim.PendingAnimation;
+import com.android.launcher3.apppairs.AppPairIcon;
 import com.android.launcher3.celllayout.CellLayoutLayoutParams;
 import com.android.launcher3.celllayout.CellPosMapper;
 import com.android.launcher3.celllayout.CellPosMapper.CellPos;
@@ -594,7 +596,8 @@
      * Initializes and binds the first page
      */
     public void bindAndInitFirstWorkspaceScreen() {
-        if (!FeatureFlags.QSB_ON_FIRST_SCREEN) {
+        if (!FeatureFlags.QSB_ON_FIRST_SCREEN
+                || shouldShowFirstPageWidget()) {
             return;
         }
 
@@ -1012,7 +1015,9 @@
             int id = mWorkspaceScreens.keyAt(i);
             CellLayout cl = mWorkspaceScreens.valueAt(i);
             // FIRST_SCREEN_ID can never be removed.
-            if ((!FeatureFlags.QSB_ON_FIRST_SCREEN || id > FIRST_SCREEN_ID)
+            if (((!FeatureFlags.QSB_ON_FIRST_SCREEN
+                    || shouldShowFirstPageWidget())
+                    || id > FIRST_SCREEN_ID)
                     && cl.getShortcutsAndWidgets().getChildCount() == 0) {
                 removeScreens.add(id);
             }
@@ -2858,6 +2863,10 @@
                     view = FolderIcon.inflateFolderAndIcon(R.layout.folder_icon, mLauncher, cellLayout,
                             (FolderInfo) info);
                     break;
+                case LauncherSettings.Favorites.ITEM_TYPE_APP_PAIR:
+                    view = AppPairIcon.inflateIcon(R.layout.app_pair_icon, mLauncher, cellLayout,
+                            (FolderInfo) info);
+                    break;
                 default:
                     throw new IllegalStateException("Unknown item type: " + info.itemType);
             }
diff --git a/src/com/android/launcher3/allapps/AllAppsRecyclerView.java b/src/com/android/launcher3/allapps/AllAppsRecyclerView.java
index 7edbeac..cffddfc 100644
--- a/src/com/android/launcher3/allapps/AllAppsRecyclerView.java
+++ b/src/com/android/launcher3/allapps/AllAppsRecyclerView.java
@@ -16,6 +16,7 @@
 package com.android.launcher3.allapps;
 
 import static com.android.launcher3.config.FeatureFlags.ALL_APPS_GONE_VISIBILITY;
+import static com.android.launcher3.config.FeatureFlags.ENABLE_ALL_APPS_RV_PREINFLATION;
 import static com.android.launcher3.logger.LauncherAtom.ContainerInfo;
 import static com.android.launcher3.logger.LauncherAtom.SearchResultContainer;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ALLAPPS_PERSONAL_SCROLLED_DOWN;
@@ -96,16 +97,17 @@
     protected void updatePoolSize() {
         DeviceProfile grid = ActivityContext.lookupContext(getContext()).getDeviceProfile();
         RecyclerView.RecycledViewPool pool = getRecycledViewPool();
-        int approxRows = (int) Math.ceil(grid.availableHeightPx / grid.allAppsIconSizePx);
         pool.setMaxRecycledViews(AllAppsGridAdapter.VIEW_TYPE_EMPTY_SEARCH, 1);
         pool.setMaxRecycledViews(AllAppsGridAdapter.VIEW_TYPE_ALL_APPS_DIVIDER, 1);
 
-        // If all apps' hidden visibility is INVISIBLE, we will need to preinflate one page of
-        // all apps icons for smooth scrolling.
-        int maxPoolSizeForAppIcons = (approxRows + 1) * grid.numShownAllAppsColumns;
-        if (ALL_APPS_GONE_VISIBILITY.get()) {
-            // If all apps' hidden visibility is GONE, we need to increase prefinated icons number
-            // by [PREINFLATE_ICONS_ROW_COUNT] rows + [EXTRA_ICONS_COUNT] for fast opening all apps.
+        // By default the max num of pool size for app icons is num of app icons in one page of
+        // all apps.
+        int maxPoolSizeForAppIcons = grid.getMaxAllAppsRowCount()
+                * grid.numShownAllAppsColumns;
+        if (ALL_APPS_GONE_VISIBILITY.get() && ENABLE_ALL_APPS_RV_PREINFLATION.get()) {
+            // If we set all apps' hidden visibility to GONE and enable pre-inflation, we want to
+            // preinflate one page of all apps icons plus [PREINFLATE_ICONS_ROW_COUNT] rows +
+            // [EXTRA_ICONS_COUNT]. Thus we need to bump the max pool size of app icons accordingly.
             maxPoolSizeForAppIcons +=
                     PREINFLATE_ICONS_ROW_COUNT * grid.numShownAllAppsColumns + EXTRA_ICONS_COUNT;
         }
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index a3e68ba..92d7a3c 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -16,6 +16,7 @@
 
 package com.android.launcher3.config;
 
+import static com.android.launcher3.BuildConfig.WIDGET_ON_FIRST_SCREEN;
 import static com.android.launcher3.config.FeatureFlags.FlagState.DISABLED;
 import static com.android.launcher3.config.FeatureFlags.FlagState.ENABLED;
 import static com.android.launcher3.config.FeatureFlags.FlagState.TEAMFOOD;
@@ -136,7 +137,7 @@
 
     // TODO(Block 6): Clean up flags
     public static final BooleanFlag ENABLE_ALL_APPS_SEARCH_IN_TASKBAR = getDebugFlag(270393900,
-            "ENABLE_ALL_APPS_SEARCH_IN_TASKBAR", TEAMFOOD,
+            "ENABLE_ALL_APPS_SEARCH_IN_TASKBAR", ENABLED,
             "Enables Search box in Taskbar All Apps.");
 
     public static final BooleanFlag SECONDARY_DRAG_N_DROP_TO_PIN = getDebugFlag(270395140,
@@ -151,9 +152,6 @@
     // TODO(Block 8): Clean up flags
 
     // TODO(Block 9): Clean up flags
-
-    public static final BooleanFlag SHOW_DOT_PAGINATION = getDebugFlag(270395278,
-            "SHOW_DOT_PAGINATION", ENABLED, "Enable showing dot pagination in workspace");
     public static final BooleanFlag UNFOLDED_WIDGET_PICKER = getDebugFlag(301918659,
             "UNFOLDED_WIDGET_PICKER", DISABLED, "Enable new widget picker that takes "
                     + "advantage of the unfolded foldable format");
@@ -165,6 +163,10 @@
     public static final BooleanFlag SMARTSPACE_AS_A_WIDGET = getDebugFlag(299181941,
             "SMARTSPACE_AS_A_WIDGET", DISABLED, "Enable SmartSpace as a widget");
 
+    public static boolean shouldShowFirstPageWidget() {
+        return SMARTSPACE_AS_A_WIDGET.get() && WIDGET_ON_FIRST_SCREEN;
+    }
+
     // TODO(Block 10): Clean up flags
     public static final BooleanFlag ENABLE_BACK_SWIPE_LAUNCHER_ANIMATION = getDebugFlag(270614790,
             "ENABLE_BACK_SWIPE_LAUNCHER_ANIMATION", DISABLED,
diff --git a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
index ae44f0a..7ce5c20 100644
--- a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
+++ b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
@@ -22,6 +22,7 @@
 
 import static com.android.launcher3.DeviceProfile.DEFAULT_SCALE;
 import static com.android.launcher3.LauncherSettings.Favorites.CONTAINER_HOTSEAT_PREDICTION;
+import static com.android.launcher3.config.FeatureFlags.shouldShowFirstPageWidget;
 import static com.android.launcher3.model.ModelUtils.filterCurrentWorkspaceItems;
 import static com.android.launcher3.model.ModelUtils.getMissingHotseatRanks;
 
@@ -526,7 +527,8 @@
         }
 
         // Add first page QSB
-        if (FeatureFlags.QSB_ON_FIRST_SCREEN) {
+        if (FeatureFlags.QSB_ON_FIRST_SCREEN
+                && !shouldShowFirstPageWidget()) {
             CellLayout firstScreen = mWorkspaceScreens.get(FIRST_SCREEN_ID);
             View qsb = mHomeElementInflater.inflate(R.layout.qsb_preview, firstScreen, false);
             CellLayoutLayoutParams lp = new CellLayoutLayoutParams(
diff --git a/src/com/android/launcher3/logging/StartupLatencyLogger.kt b/src/com/android/launcher3/logging/StartupLatencyLogger.kt
index 93e9de5..7d7564b 100644
--- a/src/com/android/launcher3/logging/StartupLatencyLogger.kt
+++ b/src/com/android/launcher3/logging/StartupLatencyLogger.kt
@@ -30,6 +30,11 @@
     @VisibleForTesting(otherwise = VisibleForTesting.PROTECTED)
     var workspaceLoadStartTime: Long = UNSET_LONG
 
+    // StartupLatencyLogger should only send launcher startup logs once in each launcher activity
+    // lifecycle. After launcher activity startup is completed, the logger should be torn down and
+    // reject all logging calls. This flag should be checked at all APIs to prevent logging invalid
+    // startup metrics (such as loading workspace in screen rotation).
+    var isTornDown = false
     private var isInTest = false
 
     /** Subclass can override this method to handle collected latency metrics. */
@@ -45,6 +50,9 @@
     @MainThread
     fun logWorkspaceLoadStartTime(startTimeMs: Long): StartupLatencyLogger {
         Preconditions.assertUIThread()
+        if (isTornDown) {
+            return this
+        }
         workspaceLoadStartTime = startTimeMs
         return this
     }
@@ -56,6 +64,9 @@
     @MainThread
     fun logCardinality(cardinality: Int): StartupLatencyLogger {
         Preconditions.assertUIThread()
+        if (isTornDown) {
+            return this
+        }
         this.cardinality = cardinality
         return this
     }
@@ -67,6 +78,9 @@
     fun logStart(event: LauncherLatencyEvent, startTimeMs: Long): StartupLatencyLogger {
         // In unit test no looper is attached to current thread
         Preconditions.assertUIThread()
+        if (isTornDown) {
+            return this
+        }
         if (validateLoggingEventAtStart(event)) {
             startTimeByEvent.put(event.id, startTimeMs)
         }
@@ -80,6 +94,9 @@
     fun logEnd(event: LauncherLatencyEvent, endTimeMs: Long): StartupLatencyLogger {
         // In unit test no looper is attached to current thread
         Preconditions.assertUIThread()
+        if (isTornDown) {
+            return this
+        }
         maybeLogStartOfWorkspaceLoadTime(event)
         if (validateLoggingEventAtEnd(event)) {
             endTimeByEvent.put(event.id, endTimeMs)
@@ -96,6 +113,7 @@
         endTimeByEvent.clear()
         cardinality = UNSET_INT
         workspaceLoadStartTime = UNSET_LONG
+        isTornDown = true
     }
 
     @MainThread
@@ -181,6 +199,15 @@
                 "Cannot end ${event.name} event after ${LauncherLatencyEvent.LAUNCHER_LATENCY_STARTUP_TOTAL_DURATION.name}",
             )
             return false
+        } else if (
+            latencyType == LatencyType.COLD_DEVICE_REBOOTING &&
+                event == LauncherLatencyEvent.LAUNCHER_LATENCY_STARTUP_WORKSPACE_LOADER_SYNC
+        ) {
+            Log.e(
+                TAG,
+                "Cannot have ${LauncherLatencyEvent.LAUNCHER_LATENCY_STARTUP_WORKSPACE_LOADER_SYNC.name} in ${LatencyType.COLD_DEVICE_REBOOTING.name} startup type"
+            )
+            return false
         }
         return true
     }
diff --git a/src/com/android/launcher3/model/BaseLauncherBinder.java b/src/com/android/launcher3/model/BaseLauncherBinder.java
index 68544cf..7421205 100644
--- a/src/com/android/launcher3/model/BaseLauncherBinder.java
+++ b/src/com/android/launcher3/model/BaseLauncherBinder.java
@@ -172,6 +172,11 @@
     public abstract void bindWidgets();
 
     /**
+     * bindWidgets is abstract because it is a no-op for the go launcher.
+     */
+    public abstract void bindSmartspaceWidget();
+
+    /**
      * Sorts the set of items by hotseat, workspace (spatially from top to bottom, left to right)
      */
     protected void sortWorkspaceItemsSpatially(InvariantDeviceProfile profile,
diff --git a/src/com/android/launcher3/model/BgDataModel.java b/src/com/android/launcher3/model/BgDataModel.java
index 5e88b9b..0ffedc8 100644
--- a/src/com/android/launcher3/model/BgDataModel.java
+++ b/src/com/android/launcher3/model/BgDataModel.java
@@ -17,6 +17,7 @@
 
 import static android.content.pm.LauncherApps.ShortcutQuery.FLAG_GET_KEY_FIELDS_ONLY;
 
+import static com.android.launcher3.config.FeatureFlags.shouldShowFirstPageWidget;
 import static com.android.launcher3.model.WidgetsModel.GO_DISABLE_WIDGETS;
 import static com.android.launcher3.shortcuts.ShortcutRequest.PINNED;
 
@@ -152,7 +153,9 @@
                 screenSet.add(item.screenId);
             }
         }
-        if (FeatureFlags.QSB_ON_FIRST_SCREEN || screenSet.isEmpty()) {
+        if ((FeatureFlags.QSB_ON_FIRST_SCREEN
+                && !shouldShowFirstPageWidget())
+                || screenSet.isEmpty()) {
             screenSet.add(Workspace.FIRST_SCREEN_ID);
         }
         return screenSet.getArray();
@@ -505,6 +508,7 @@
         default void bindRestoreItemsChange(HashSet<ItemInfo> updates) { }
         default void bindWorkspaceComponentsRemoved(Predicate<ItemInfo> matcher) { }
         default void bindAllWidgets(List<WidgetsListBaseEntry> widgets) { }
+        default void bindSmartspaceWidget() { }
 
         /** Called when workspace has been bound. */
         default void onInitialBindComplete(IntSet boundPages, RunnableList pendingTasks,
diff --git a/src/com/android/launcher3/model/DatabaseHelper.java b/src/com/android/launcher3/model/DatabaseHelper.java
index ecf5f67..8167b97 100644
--- a/src/com/android/launcher3/model/DatabaseHelper.java
+++ b/src/com/android/launcher3/model/DatabaseHelper.java
@@ -16,6 +16,7 @@
 package com.android.launcher3.model;
 
 import static com.android.launcher3.LauncherSettings.Favorites.addTableToDb;
+import static com.android.launcher3.config.FeatureFlags.shouldShowFirstPageWidget;
 import static com.android.launcher3.provider.LauncherDbUtils.dropTable;
 
 import android.content.ContentValues;
@@ -257,7 +258,8 @@
                         Favorites.SCREEN, IntArray.wrap(-777, -778)), null);
             }
             case 30: {
-                if (FeatureFlags.QSB_ON_FIRST_SCREEN) {
+                if (FeatureFlags.QSB_ON_FIRST_SCREEN
+                        && !shouldShowFirstPageWidget()) {
                     // Clean up first row in screen 0 as it might contain junk data.
                     Log.d(TAG, "Cleaning up first row");
                     db.delete(Favorites.TABLE_NAME,
diff --git a/src/com/android/launcher3/model/GridSizeMigrationUtil.java b/src/com/android/launcher3/model/GridSizeMigrationUtil.java
index 78875a3..eed4ee6 100644
--- a/src/com/android/launcher3/model/GridSizeMigrationUtil.java
+++ b/src/com/android/launcher3/model/GridSizeMigrationUtil.java
@@ -18,6 +18,7 @@
 
 import static com.android.launcher3.LauncherSettings.Favorites.TABLE_NAME;
 import static com.android.launcher3.LauncherSettings.Favorites.TMP_TABLE;
+import static com.android.launcher3.config.FeatureFlags.shouldShowFirstPageWidget;
 import static com.android.launcher3.provider.LauncherDbUtils.copyTable;
 import static com.android.launcher3.provider.LauncherDbUtils.dropTable;
 
@@ -327,7 +328,9 @@
             @NonNull final List<DbEntry> sortedItemsToPlace, final boolean matchingScreenIdOnly) {
         final GridOccupancy occupied = new GridOccupancy(trgX, trgY);
         final Point trg = new Point(trgX, trgY);
-        final Point next = new Point(0, screenId == 0 && FeatureFlags.QSB_ON_FIRST_SCREEN
+        final Point next = new Point(0, screenId == 0
+                && (FeatureFlags.QSB_ON_FIRST_SCREEN
+                && !shouldShowFirstPageWidget())
                 ? 1 /* smartspace */ : 0);
         List<DbEntry> existedEntries = destReader.mWorkspaceEntriesByScreenId.get(screenId);
         if (existedEntries != null) {
@@ -465,6 +468,13 @@
                             }
                             break;
                         }
+                        case LauncherSettings.Favorites.ITEM_TYPE_APP_PAIR: {
+                            int total = getFolderItemsCount(entry);
+                            if (total != 2) {
+                                throw new Exception("App pair contains fewer or more than 2 items");
+                            }
+                            break;
+                        }
                         default:
                             throw new Exception("Invalid item type");
                     }
@@ -562,6 +572,13 @@
                             }
                             break;
                         }
+                        case LauncherSettings.Favorites.ITEM_TYPE_APP_PAIR: {
+                            int total = getFolderItemsCount(entry);
+                            if (total != 2) {
+                                throw new Exception("App pair contains fewer or more than 2 items");
+                            }
+                            break;
+                        }
                         default:
                             throw new Exception("Invalid item type");
                     }
@@ -679,6 +696,7 @@
         public String getEntryMigrationId() {
             switch (itemType) {
                 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER:
+                case LauncherSettings.Favorites.ITEM_TYPE_APP_PAIR:
                     return getFolderMigrationId();
                 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET:
                     return mProvider;
diff --git a/src/com/android/launcher3/model/LoaderCursor.java b/src/com/android/launcher3/model/LoaderCursor.java
index 33332f0..9c4cd46 100644
--- a/src/com/android/launcher3/model/LoaderCursor.java
+++ b/src/com/android/launcher3/model/LoaderCursor.java
@@ -17,6 +17,7 @@
 package com.android.launcher3.model;
 
 import static com.android.launcher3.LauncherSettings.Favorites.TABLE_NAME;
+import static com.android.launcher3.config.FeatureFlags.shouldShowFirstPageWidget;
 
 import android.content.ComponentName;
 import android.content.ContentValues;
@@ -528,7 +529,8 @@
 
         if (!mOccupied.containsKey(item.screenId)) {
             GridOccupancy screen = new GridOccupancy(countX + 1, countY + 1);
-            if (item.screenId == Workspace.FIRST_SCREEN_ID && FeatureFlags.QSB_ON_FIRST_SCREEN) {
+            if (item.screenId == Workspace.FIRST_SCREEN_ID && (FeatureFlags.QSB_ON_FIRST_SCREEN
+                    && !shouldShowFirstPageWidget())) {
                 // Mark the first X columns (X is width of the search container) in the first row as
                 // occupied (if the feature is enabled) in order to account for the search
                 // container.
diff --git a/src/com/android/launcher3/model/LoaderTask.java b/src/com/android/launcher3/model/LoaderTask.java
index 08a6cf0..8059600 100644
--- a/src/com/android/launcher3/model/LoaderTask.java
+++ b/src/com/android/launcher3/model/LoaderTask.java
@@ -16,7 +16,9 @@
 
 package com.android.launcher3.model;
 
+import static com.android.launcher3.BuildConfig.WIDGET_ON_FIRST_SCREEN;
 import static com.android.launcher3.LauncherSettings.Favorites.TABLE_NAME;
+import static com.android.launcher3.config.FeatureFlags.SMARTSPACE_AS_A_WIDGET;
 import static com.android.launcher3.model.BgDataModel.Callbacks.FLAG_HAS_SHORTCUT_PERMISSION;
 import static com.android.launcher3.model.BgDataModel.Callbacks.FLAG_QUIET_MODE_CHANGE_PERMISSION;
 import static com.android.launcher3.model.BgDataModel.Callbacks.FLAG_QUIET_MODE_ENABLED;
@@ -57,6 +59,7 @@
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherModel;
+import com.android.launcher3.LauncherPrefs;
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.config.FeatureFlags;
@@ -296,6 +299,30 @@
             logASplit("bindWidgets");
             verifyNotStopped();
 
+            if (SMARTSPACE_AS_A_WIDGET.get() && LauncherPrefs.get(mApp.getContext())
+                    .get(LauncherPrefs.SHOULD_SHOW_SMARTSPACE)) {
+                mLauncherBinder.bindSmartspaceWidget();
+                // Turn off pref.
+                LauncherPrefs.get(mApp.getContext()).putSync(
+                        LauncherPrefs.backedUpItem(
+                                        LauncherPrefs.SHOULD_SHOW_SMARTSPACE_KEY,
+                                        WIDGET_ON_FIRST_SCREEN,
+                                        true)
+                                .to(false));
+                logASplit("bindSmartspaceWidget");
+                verifyNotStopped();
+            } else if (!SMARTSPACE_AS_A_WIDGET.get() && WIDGET_ON_FIRST_SCREEN
+                    && !LauncherPrefs.get(mApp.getContext())
+                    .get(LauncherPrefs.SHOULD_SHOW_SMARTSPACE)) {
+                // Turn on pref.
+                LauncherPrefs.get(mApp.getContext()).putSync(
+                        LauncherPrefs.backedUpItem(
+                                        LauncherPrefs.SHOULD_SHOW_SMARTSPACE_KEY,
+                                        WIDGET_ON_FIRST_SCREEN,
+                                        true)
+                                .to(true));
+            }
+
             if (FeatureFlags.CHANGE_MODEL_DELEGATE_LOADING_ORDER.get()) {
                 mModelDelegate.loadAndBindOtherItems(mLauncherBinder.mCallbacksList);
                 logASplit("otherDelegateItems");
diff --git a/src/com/android/launcher3/model/WorkspaceItemSpaceFinder.java b/src/com/android/launcher3/model/WorkspaceItemSpaceFinder.java
index 1fc8a03..929f698 100644
--- a/src/com/android/launcher3/model/WorkspaceItemSpaceFinder.java
+++ b/src/com/android/launcher3/model/WorkspaceItemSpaceFinder.java
@@ -16,6 +16,7 @@
 package com.android.launcher3.model;
 
 import static com.android.launcher3.WorkspaceLayoutManager.FIRST_SCREEN_ID;
+import static com.android.launcher3.config.FeatureFlags.shouldShowFirstPageWidget;
 
 import android.util.LongSparseArray;
 
@@ -66,7 +67,8 @@
         int screenCount = workspaceScreens.size();
         // First check the preferred screen.
         IntSet screensToExclude = new IntSet();
-        if (FeatureFlags.QSB_ON_FIRST_SCREEN) {
+        if (FeatureFlags.QSB_ON_FIRST_SCREEN
+                && !shouldShowFirstPageWidget()) {
             screensToExclude.add(FIRST_SCREEN_ID);
         }
 
diff --git a/src/com/android/launcher3/pageindicators/PageIndicatorDots.java b/src/com/android/launcher3/pageindicators/PageIndicatorDots.java
index ce71275..323b3a7 100644
--- a/src/com/android/launcher3/pageindicators/PageIndicatorDots.java
+++ b/src/com/android/launcher3/pageindicators/PageIndicatorDots.java
@@ -16,8 +16,6 @@
 
 package com.android.launcher3.pageindicators;
 
-import static com.android.launcher3.config.FeatureFlags.SHOW_DOT_PAGINATION;
-
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
@@ -69,7 +67,7 @@
     private static final int PAGE_INDICATOR_ALPHA = 255;
     private static final int DOT_ALPHA = 128;
     private static final float DOT_ALPHA_FRACTION = 0.5f;
-    private static final int DOT_GAP_FACTOR = SHOW_DOT_PAGINATION.get() ? 4 : 3;
+    private static final int DOT_GAP_FACTOR = 4;
     private static final int VISIBLE_ALPHA = 255;
     private static final int INVISIBLE_ALPHA = 0;
     private Paint mPaginationPaint;
@@ -153,10 +151,7 @@
         mPaginationPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
         mPaginationPaint.setStyle(Style.FILL);
         mPaginationPaint.setColor(Themes.getAttrColor(context, R.attr.folderPaginationColor));
-        mDotRadius = (SHOW_DOT_PAGINATION.get()
-                ? getResources().getDimension(R.dimen.page_indicator_dot_size_v2)
-                : getResources().getDimension(R.dimen.page_indicator_dot_size))
-                / 2;
+        mDotRadius = getResources().getDimension(R.dimen.page_indicator_dot_size) / 2;
         mCircleGap = DOT_GAP_FACTOR * mDotRadius;
         setOutlineProvider(new MyOutlineProver());
         mIsRtl = Utilities.isRtl(getResources());
@@ -164,7 +159,7 @@
 
     @Override
     public void setScroll(int currentScroll, int totalScroll) {
-        if (SHOW_DOT_PAGINATION.get() && currentScroll == 0 && totalScroll == 0) {
+        if (currentScroll == 0 && totalScroll == 0) {
             CURRENT_POSITION.set(this, (float) mActivePage);
             return;
         }
@@ -217,7 +212,7 @@
 
     @Override
     public void setShouldAutoHide(boolean shouldAutoHide) {
-        mShouldAutoHide = shouldAutoHide && SHOW_DOT_PAGINATION.get();
+        mShouldAutoHide = shouldAutoHide;
         if (shouldAutoHide && mPaginationPaint.getAlpha() > INVISIBLE_ALPHA) {
             hideAfterDelay();
         } else if (!shouldAutoHide) {
@@ -420,16 +415,14 @@
             int alpha = mPaginationPaint.getAlpha();
 
             // Here we draw the dots
-            mPaginationPaint.setAlpha(SHOW_DOT_PAGINATION.get()
-                    ? ((int) (alpha * DOT_ALPHA_FRACTION))
-                    : DOT_ALPHA);
+            mPaginationPaint.setAlpha((int) (alpha * DOT_ALPHA_FRACTION));
             for (int i = 0; i < mNumPages; i++) {
                 canvas.drawCircle(x, y, mDotRadius, mPaginationPaint);
                 x += circleGap;
             }
 
             // Here we draw the current page indicator
-            mPaginationPaint.setAlpha(SHOW_DOT_PAGINATION.get() ? alpha : PAGE_INDICATOR_ALPHA);
+            mPaginationPaint.setAlpha(alpha);
             canvas.drawRoundRect(getActiveRect(), mDotRadius, mDotRadius, mPaginationPaint);
         }
     }
@@ -498,7 +491,7 @@
         @Override
         public void onAnimationEnd(Animator animation) {
             if (!mCancelled) {
-                if (mShouldAutoHide && SHOW_DOT_PAGINATION.get()) {
+                if (mShouldAutoHide) {
                     hideAfterDelay();
                 }
                 mAnimator = null;
diff --git a/src/com/android/launcher3/qsb/QsbContainerView.java b/src/com/android/launcher3/qsb/QsbContainerView.java
index 1e3be27..f0f376f 100644
--- a/src/com/android/launcher3/qsb/QsbContainerView.java
+++ b/src/com/android/launcher3/qsb/QsbContainerView.java
@@ -20,6 +20,8 @@
 import static android.appwidget.AppWidgetManager.EXTRA_APPWIDGET_ID;
 import static android.appwidget.AppWidgetManager.EXTRA_APPWIDGET_PROVIDER;
 
+import static com.android.launcher3.config.FeatureFlags.shouldShowFirstPageWidget;
+
 import android.app.Activity;
 import android.app.Fragment;
 import android.app.SearchManager;
@@ -290,7 +292,7 @@
         }
 
         public boolean isQsbEnabled() {
-            return FeatureFlags.QSB_ON_FIRST_SCREEN;
+            return FeatureFlags.QSB_ON_FIRST_SCREEN && !shouldShowFirstPageWidget();
         }
 
         protected Bundle createBindOptions() {
diff --git a/src/com/android/launcher3/recyclerview/AllAppsRecyclerViewPool.kt b/src/com/android/launcher3/recyclerview/AllAppsRecyclerViewPool.kt
index 3c59c1d..1d71805 100644
--- a/src/com/android/launcher3/recyclerview/AllAppsRecyclerViewPool.kt
+++ b/src/com/android/launcher3/recyclerview/AllAppsRecyclerViewPool.kt
@@ -93,9 +93,7 @@
                 EXTRA_ICONS_COUNT
         if (FeatureFlags.ALL_APPS_GONE_VISIBILITY.get()) {
             val grid = ActivityContext.lookupContext<T>(context).deviceProfile
-            val approxRows =
-                Math.ceil((grid.availableHeightPx / grid.allAppsIconSizePx).toDouble()).toInt()
-            targetPreinflateCount += (approxRows + 1) * grid.numShownAllAppsColumns
+            targetPreinflateCount += grid.maxAllAppsRowCount * grid.numShownAllAppsColumns
         }
         val existingPreinflateCount = getRecycledViewCount(BaseAllAppsAdapter.VIEW_TYPE_ICON)
         return targetPreinflateCount - existingPreinflateCount
diff --git a/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java b/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java
index 2c094f2..37ec65c 100644
--- a/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java
+++ b/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java
@@ -39,6 +39,7 @@
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.WindowInsets;
+import android.view.WindowInsetsController;
 import android.view.animation.AnimationUtils;
 import android.view.animation.Interpolator;
 import android.widget.Button;
@@ -818,7 +819,10 @@
     @Override
     public void onDragStart(boolean start, float startDisplacement) {
         super.onDragStart(start, startDisplacement);
-        getWindowInsetsController().hide(WindowInsets.Type.ime());
+        WindowInsetsController insetsController = getWindowInsetsController();
+        if (insetsController != null) {
+            insetsController.hide(WindowInsets.Type.ime());
+        }
     }
 
     @Nullable private View getViewToShowEducationTip() {
diff --git a/src_build_config/com/android/launcher3/BuildConfig.java b/src_build_config/com/android/launcher3/BuildConfig.java
index 1f2e0e5..3841969 100644
--- a/src_build_config/com/android/launcher3/BuildConfig.java
+++ b/src_build_config/com/android/launcher3/BuildConfig.java
@@ -27,6 +27,11 @@
     public static final boolean QSB_ON_FIRST_SCREEN = true;
 
     /**
+     * Flag to state if the widget on the top of the first screen should be shown.
+     */
+    public static final boolean WIDGET_ON_FIRST_SCREEN = false;
+
+    /**
      * Flag to control various developer centric features
      */
     public static final boolean IS_DEBUG_DEVICE = false;
diff --git a/src_shortcuts_overrides/com/android/launcher3/model/LauncherBinder.java b/src_shortcuts_overrides/com/android/launcher3/model/LauncherBinder.java
index e1a5f24..7e73ab5 100644
--- a/src_shortcuts_overrides/com/android/launcher3/model/LauncherBinder.java
+++ b/src_shortcuts_overrides/com/android/launcher3/model/LauncherBinder.java
@@ -51,4 +51,9 @@
                 mBgDataModel.widgetsModel.getWidgetsListForPicker(mApp.getContext());
         executeCallbacksTask(c -> c.bindAllWidgets(widgets), mUiExecutor);
     }
+
+    @Override
+    public void bindSmartspaceWidget() {
+        executeCallbacksTask(c -> c.bindSmartspaceWidget(), mUiExecutor);
+    }
 }
diff --git a/tests/Android.bp b/tests/Android.bp
index 62d232c..a397307 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -42,7 +42,7 @@
 filegroup {
     name: "launcher-oop-tests-src",
     srcs: [
-      "src/com/android/launcher3/allapps/OopTaplOpenCloseAllApps.java",
+      "src/com/android/launcher3/allapps/TaplOpenCloseAllApps.java",
       "src/com/android/launcher3/appiconmenu/TaplAppIconMenuTest.java",
       "src/com/android/launcher3/dragging/TaplDragTest.java",
       "src/com/android/launcher3/dragging/TaplUninstallRemove.java",
@@ -50,6 +50,7 @@
       "src/com/android/launcher3/ui/PortraitLandscapeRunner.java",
       "src/com/android/launcher3/ui/TaplTestsLauncher3.java",
       "src/com/android/launcher3/ui/widget/TaplWidgetPickerTest.java",
+      "src/com/android/launcher3/ui/workspace/TaplWorkspaceTest.java",
       "src/com/android/launcher3/util/LauncherLayoutBuilder.java",
       "src/com/android/launcher3/util/TestUtil.java",
       "src/com/android/launcher3/util/Wait.java",
diff --git a/tests/src/com/android/launcher3/allapps/OopTaplOpenCloseAllApps.java b/tests/src/com/android/launcher3/allapps/TaplOpenCloseAllApps.java
similarity index 84%
rename from tests/src/com/android/launcher3/allapps/OopTaplOpenCloseAllApps.java
rename to tests/src/com/android/launcher3/allapps/TaplOpenCloseAllApps.java
index f9dadaa..39dbcb2 100644
--- a/tests/src/com/android/launcher3/allapps/OopTaplOpenCloseAllApps.java
+++ b/tests/src/com/android/launcher3/allapps/TaplOpenCloseAllApps.java
@@ -21,11 +21,17 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
+import static org.junit.Assume.assumeFalse;
 import static org.junit.Assume.assumeTrue;
 
+import android.content.Intent;
 import android.platform.test.annotations.PlatinumTest;
 
+import androidx.test.filters.FlakyTest;
+import androidx.test.platform.app.InstrumentationRegistry;
+
 import com.android.launcher3.LauncherState;
+import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.tapl.AllApps;
 import com.android.launcher3.ui.AbstractLauncherUiTest;
 import com.android.launcher3.ui.PortraitLandscapeRunner.PortraitLandscape;
@@ -37,7 +43,10 @@
  * Test that we can open and close the all apps in multiple situations.
  * The test runs in Out of process (Oop) and in process.
  */
-public class OopTaplOpenCloseAllApps extends AbstractLauncherUiTest {
+public class TaplOpenCloseAllApps extends AbstractLauncherUiTest {
+
+    public static final String READ_DEVICE_CONFIG_PERMISSION =
+            "android.permission.READ_DEVICE_CONFIG";
 
     /**
      * Calls static method initialize
@@ -188,4 +197,24 @@
             allApps.unfreeze();
         }
     }
+
+    /**
+     * Makes sure that when pressing back when AllApps is open we go back to the Home screen.
+     */
+    @FlakyTest(bugId = 256615483)
+    @Test
+    @PortraitLandscape
+    public void testPressBackFromAllAppsToHome() {
+        InstrumentationRegistry.getInstrumentation().getUiAutomation().adoptShellPermissionIdentity(
+                READ_DEVICE_CONFIG_PERMISSION);
+        assumeFalse(FeatureFlags.ENABLE_BACK_SWIPE_LAUNCHER_ANIMATION.get());
+        mLauncher.getWorkspace().switchToAllApps();
+        mLauncher.pressBack();
+        mLauncher.getWorkspace();
+        waitForState("Launcher internal state didn't switch to Home", () -> LauncherState.NORMAL);
+        startAppFast(resolveSystemApp(Intent.CATEGORY_APP_CALCULATOR));
+        mLauncher.pressBack();
+        mLauncher.getWorkspace();
+        waitForState("Launcher internal state didn't switch to Home", () -> LauncherState.NORMAL);
+    }
 }
diff --git a/tests/src/com/android/launcher3/logging/StartupLatencyLoggerTest.kt b/tests/src/com/android/launcher3/logging/StartupLatencyLoggerTest.kt
index fffa6d7..a29218c 100644
--- a/tests/src/com/android/launcher3/logging/StartupLatencyLoggerTest.kt
+++ b/tests/src/com/android/launcher3/logging/StartupLatencyLoggerTest.kt
@@ -357,6 +357,7 @@
         assertThat(underTest.startTimeByEvent.size()).isEqualTo(4)
         assertThat(underTest.endTimeByEvent.size()).isEqualTo(4)
         assertThat(underTest.cardinality).isEqualTo(235)
+        assertThat(underTest.isTornDown).isFalse()
 
         underTest.reset()
 
@@ -364,5 +365,26 @@
         assertThat(underTest.endTimeByEvent.isEmpty()).isTrue()
         assertThat(underTest.cardinality).isEqualTo(StartupLatencyLogger.UNSET_INT)
         assertThat(underTest.workspaceLoadStartTime).isEqualTo(StartupLatencyLogger.UNSET_LONG)
+        assertThat(underTest.isTornDown).isTrue()
+    }
+
+    @Test
+    @UiThreadTest
+    fun tornDown_rejectLogs() {
+        underTest.reset()
+
+        underTest
+            .logStart(
+                StatsLogManager.LauncherLatencyEvent.LAUNCHER_LATENCY_STARTUP_TOTAL_DURATION,
+                100
+            )
+            .logEnd(
+                StatsLogManager.LauncherLatencyEvent.LAUNCHER_LATENCY_STARTUP_TOTAL_DURATION,
+                200
+            )
+            .logCardinality(123)
+        assertThat(underTest.startTimeByEvent.isEmpty()).isTrue()
+        assertThat(underTest.endTimeByEvent.isEmpty()).isTrue()
+        assertThat(underTest.cardinality).isEqualTo(StartupLatencyLogger.UNSET_INT)
     }
 }
diff --git a/tests/src/com/android/launcher3/ui/BubbleTextViewTest.java b/tests/src/com/android/launcher3/ui/BubbleTextViewTest.java
index 2cdcf24..6c2950c 100644
--- a/tests/src/com/android/launcher3/ui/BubbleTextViewTest.java
+++ b/tests/src/com/android/launcher3/ui/BubbleTextViewTest.java
@@ -20,21 +20,30 @@
 
 import static com.android.launcher3.BubbleTextView.DISPLAY_ALL_APPS;
 import static com.android.launcher3.BubbleTextView.DISPLAY_PREDICTION_ROW;
+import static com.android.launcher3.BubbleTextView.DISPLAY_SEARCH_RESULT;
+import static com.android.launcher3.BubbleTextView.DISPLAY_SEARCH_RESULT_SMALL;
+
+import static com.google.common.truth.Truth.assertThat;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotEquals;
 
+import android.content.ComponentName;
 import android.content.Context;
+import android.content.Intent;
 import android.graphics.Typeface;
 import android.platform.test.flag.junit.SetFlagsRule;
+import android.os.UserHandle;
 import android.view.ViewGroup;
 
 import com.android.launcher3.BubbleTextView;
 import com.android.launcher3.Flags;
 import com.android.launcher3.Utilities;
+import com.android.launcher3.model.data.AppInfo;
 import com.android.launcher3.model.data.ItemInfoWithIcon;
 import com.android.launcher3.search.StringMatcherUtility;
 import com.android.launcher3.util.ActivityContextWrapper;
+import com.android.launcher3.util.FlagOp;
 import com.android.launcher3.util.IntArray;
 import com.android.launcher3.views.BaseDragLayer;
 
@@ -55,6 +64,8 @@
     @Rule public final SetFlagsRule mSetFlagsRule = new SetFlagsRule();
     private static final StringMatcherUtility.StringMatcher
             MATCHER = StringMatcherUtility.StringMatcher.getInstance();
+    private static final UserHandle WORK_HANDLE = new UserHandle(13);
+    private static final int WORK_FLAG = 1;
     private static final int ONE_LINE = 1;
     private static final int TWO_LINE = 2;
     private static final String TEST_STRING_WITH_SPACE_LONGER_THAN_CHAR_LIMIT = "Battery Stats";
@@ -81,6 +92,7 @@
     private ItemInfoWithIcon mItemInfoWithIcon;
     private Context mContext;
     private int mLimitedWidth;
+    private AppInfo mGmailAppInfo;
 
     @Before
     public void setUp() throws Exception {
@@ -110,6 +122,9 @@
                 return null;
             }
         };
+        ComponentName componentName = new ComponentName(mContext,
+                "com.android.launcher3.tests.Activity" + "Gmail");
+        mGmailAppInfo = new AppInfo(componentName, "Gmail", WORK_HANDLE, new Intent());
     }
 
     @Test
@@ -359,4 +374,28 @@
 
         assertEquals(TWO_LINE, mBubbleTextView.getLineCount());
     }
+
+    @Test
+    public void applyIconAndLabel_whenDisplay_DISPLAY_SEARCH_RESULT_SMALL_noBadge() {
+        FlagOp op = FlagOp.NO_OP;
+        // apply the WORK bitmap flag to show work badge
+        mGmailAppInfo.bitmap.flags = op.apply(WORK_FLAG);
+        mBubbleTextView.setDisplay(DISPLAY_SEARCH_RESULT_SMALL);
+
+        mBubbleTextView.applyIconAndLabel(mGmailAppInfo);
+
+        assertThat(mBubbleTextView.getIcon().hasBadge()).isEqualTo(false);
+    }
+
+    @Test
+    public void applyIconAndLabel_whenDisplay_DISPLAY_SEARCH_RESULT_hasBadge() {
+        FlagOp op = FlagOp.NO_OP;
+        // apply the WORK bitmap flag to show work badge
+        mGmailAppInfo.bitmap.flags = op.apply(WORK_FLAG);
+        mBubbleTextView.setDisplay(DISPLAY_SEARCH_RESULT);
+
+        mBubbleTextView.applyIconAndLabel(mGmailAppInfo);
+
+        assertThat(mBubbleTextView.getIcon().hasBadge()).isEqualTo(true);
+    }
 }
diff --git a/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java b/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java
index 9aaca54..25da9ed 100644
--- a/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java
+++ b/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java
@@ -16,34 +16,19 @@
 
 package com.android.launcher3.ui;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
-import static org.junit.Assume.assumeFalse;
 
-import android.content.Intent;
-import android.platform.test.annotations.PlatinumTest;
-
-import androidx.test.filters.FlakyTest;
 import androidx.test.filters.LargeTest;
-import androidx.test.platform.app.InstrumentationRegistry;
 import androidx.test.runner.AndroidJUnit4;
 
-import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
-import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.tapl.AllApps;
 import com.android.launcher3.tapl.AppIcon;
 import com.android.launcher3.tapl.HomeAllApps;
-import com.android.launcher3.tapl.HomeAppIcon;
-import com.android.launcher3.tapl.Workspace;
 import com.android.launcher3.ui.PortraitLandscapeRunner.PortraitLandscape;
-import com.android.launcher3.util.LauncherLayoutBuilder;
-import com.android.launcher3.util.TestUtil;
 import com.android.launcher3.util.rule.TISBindRule;
 
-import org.junit.After;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
@@ -57,14 +42,10 @@
     public static final String MAPS_APP_NAME = "Maps";
     public static final String STORE_APP_NAME = "Play Store";
     public static final String GMAIL_APP_NAME = "Gmail";
-    private static final String READ_DEVICE_CONFIG_PERMISSION =
-            "android.permission.READ_DEVICE_CONFIG";
 
     @Rule
     public TISBindRule mTISBindRule = new TISBindRule();
 
-    private AutoCloseable mLauncherLayout;
-
     @Before
     public void setUp() throws Exception {
         super.setUp();
@@ -88,13 +69,6 @@
         AbstractLauncherUiTest.checkDetectedLeaks(test.mLauncher, true);
     }
 
-    @After
-    public void tearDown() throws Exception {
-        if (mLauncherLayout != null) {
-            mLauncherLayout.close();
-        }
-    }
-
     // Please don't add negative test cases for methods that fail only after a long wait.
     public static void expectFail(String message, Runnable action) {
         boolean failed = false;
@@ -106,14 +80,6 @@
         assertTrue(message, failed);
     }
 
-    public static boolean isWorkspaceScrollable(Launcher launcher) {
-        return launcher.getWorkspace().getPageCount() > launcher.getWorkspace().getPanelCount();
-    }
-
-    private int getCurrentWorkspacePage(Launcher launcher) {
-        return launcher.getWorkspace().getCurrentPage();
-    }
-
     @Test
     public void testDevicePressMenu() throws Exception {
         mDevice.pressMenu();
@@ -125,53 +91,6 @@
         mLauncher.goHome();
     }
 
-    @PlatinumTest(focusArea = "launcher")
-    @Test
-    public void testWorkspace() throws Exception {
-        // Set workspace  that includes the chrome Activity app icon on the hotseat.
-        LauncherLayoutBuilder builder = new LauncherLayoutBuilder()
-                .atHotseat(0).putApp("com.android.chrome", "com.google.android.apps.chrome.Main");
-        mLauncherLayout = TestUtil.setLauncherDefaultLayout(mTargetContext, builder);
-        reinitializeLauncherData();
-
-        final Workspace workspace = mLauncher.getWorkspace();
-
-        // Test that ensureWorkspaceIsScrollable adds a page by dragging an icon there.
-        executeOnLauncher(launcher -> assertFalse("Initial workspace state is scrollable",
-                isWorkspaceScrollable(launcher)));
-        assertEquals("Initial workspace doesn't have the correct page", workspace.pagesPerScreen(),
-                workspace.getPageCount());
-        workspace.verifyWorkspaceAppIconIsGone("Chrome app was found on empty workspace", "Chrome");
-        workspace.ensureWorkspaceIsScrollable();
-
-        executeOnLauncher(
-                launcher -> assertEquals(
-                        "Ensuring workspace scrollable didn't switch to next screen",
-                        workspace.pagesPerScreen(), getCurrentWorkspacePage(launcher)));
-        executeOnLauncher(
-                launcher -> assertTrue("ensureScrollable didn't make workspace scrollable",
-                        isWorkspaceScrollable(launcher)));
-        assertNotNull("ensureScrollable didn't add Chrome app",
-                workspace.getWorkspaceAppIcon("Chrome"));
-
-        // Test flinging workspace.
-        workspace.flingBackward();
-        assertTrue("Launcher internal state is not Home", isInState(() -> LauncherState.NORMAL));
-        executeOnLauncher(
-                launcher -> assertEquals("Flinging back didn't switch workspace to page #0",
-                        0, getCurrentWorkspacePage(launcher)));
-
-        workspace.flingForward();
-        executeOnLauncher(
-                launcher -> assertEquals("Flinging forward didn't switch workspace to next screen",
-                        workspace.pagesPerScreen(), getCurrentWorkspacePage(launcher)));
-        assertTrue("Launcher internal state is not Home", isInState(() -> LauncherState.NORMAL));
-
-        // Test starting a workspace app.
-        final HomeAppIcon app = workspace.getWorkspaceAppIcon("Chrome");
-        assertNotNull("No Chrome app in workspace", app);
-    }
-
     public static void runIconLaunchFromAllAppsTest(AbstractLauncherUiTest test, AllApps allApps) {
         allApps.freeze();
         try {
@@ -196,23 +115,6 @@
         runIconLaunchFromAllAppsTest(this, allApps);
     }
 
-    @FlakyTest(bugId = 256615483)
-    @Test
-    @PortraitLandscape
-    public void testPressBack() throws Exception {
-        InstrumentationRegistry.getInstrumentation().getUiAutomation().adoptShellPermissionIdentity(
-                READ_DEVICE_CONFIG_PERMISSION);
-        assumeFalse(FeatureFlags.ENABLE_BACK_SWIPE_LAUNCHER_ANIMATION.get());
-        mLauncher.getWorkspace().switchToAllApps();
-        mLauncher.pressBack();
-        mLauncher.getWorkspace();
-        waitForState("Launcher internal state didn't switch to Home", () -> LauncherState.NORMAL);
-        startAppFast(resolveSystemApp(Intent.CATEGORY_APP_CALCULATOR));
-        mLauncher.pressBack();
-        mLauncher.getWorkspace();
-        waitForState("Launcher internal state didn't switch to Home", () -> LauncherState.NORMAL);
-    }
-
     @Test
     @PortraitLandscape
     public void testAddDeleteShortcutOnHotseat() {
@@ -236,28 +138,4 @@
             allApps.unfreeze();
         }
     }
-
-    @PlatinumTest(focusArea = "launcher")
-    @Test
-    public void testAddAndDeletePageAndFling() {
-        Workspace workspace = mLauncher.getWorkspace();
-        // Get the first app from the hotseat
-        HomeAppIcon hotSeatIcon = workspace.getHotseatAppIcon(0);
-        String appName = hotSeatIcon.getIconName();
-
-        // Add one page by dragging app to page 1.
-        workspace.dragIcon(hotSeatIcon, workspace.pagesPerScreen());
-        assertEquals("Incorrect Page count Number",
-                workspace.pagesPerScreen() * 2,
-                workspace.getPageCount());
-
-        // Delete one page by dragging app to hot seat.
-        workspace.getWorkspaceAppIcon(appName).dragToHotseat(0);
-
-        // Refresh workspace to avoid using stale container error.
-        workspace = mLauncher.getWorkspace();
-        assertEquals("Incorrect Page count Number",
-                workspace.pagesPerScreen(),
-                workspace.getPageCount());
-    }
 }
diff --git a/tests/src/com/android/launcher3/ui/workspace/TaplWorkspaceTest.java b/tests/src/com/android/launcher3/ui/workspace/TaplWorkspaceTest.java
new file mode 100644
index 0000000..d8ae99c
--- /dev/null
+++ b/tests/src/com/android/launcher3/ui/workspace/TaplWorkspaceTest.java
@@ -0,0 +1,147 @@
+/*
+ * 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.ui.workspace;
+
+import static com.android.launcher3.ui.TaplTestsLauncher3.initialize;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import android.platform.test.annotations.PlatinumTest;
+
+import com.android.launcher3.Launcher;
+import com.android.launcher3.LauncherState;
+import com.android.launcher3.tapl.HomeAppIcon;
+import com.android.launcher3.tapl.Workspace;
+import com.android.launcher3.ui.AbstractLauncherUiTest;
+import com.android.launcher3.util.LauncherLayoutBuilder;
+import com.android.launcher3.util.TestUtil;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * Test the basic interactions of the Workspace, adding pages, moving the pages and removing pages.
+ */
+public class TaplWorkspaceTest extends AbstractLauncherUiTest {
+
+    private AutoCloseable mLauncherLayout;
+
+    private static boolean isWorkspaceScrollable(Launcher launcher) {
+        return launcher.getWorkspace().getPageCount() > launcher.getWorkspace().getPanelCount();
+    }
+
+    private int getCurrentWorkspacePage(Launcher launcher) {
+        return launcher.getWorkspace().getCurrentPage();
+    }
+
+    @Before
+    public void setUp() throws Exception {
+        super.setUp();
+        initialize(this);
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        if (mLauncherLayout != null) {
+            mLauncherLayout.close();
+        }
+    }
+
+    /**
+     * Add an icon and add a page to ensure the Workspace is scrollable and also make sure we can
+     * move between workspaces. After, make sure we can launch an app from the Workspace.
+     * @throws Exception if we can't set the defaults icons that will appear at the beginning.
+     */
+    @PlatinumTest(focusArea = "launcher")
+    @Test
+    public void testWorkspace() throws Exception {
+        // Set workspace  that includes the chrome Activity app icon on the hotseat.
+        LauncherLayoutBuilder builder = new LauncherLayoutBuilder()
+                .atHotseat(0).putApp("com.android.chrome", "com.google.android.apps.chrome.Main");
+        mLauncherLayout = TestUtil.setLauncherDefaultLayout(mTargetContext, builder);
+        reinitializeLauncherData();
+
+        final Workspace workspace = mLauncher.getWorkspace();
+
+        // Test that ensureWorkspaceIsScrollable adds a page by dragging an icon there.
+        executeOnLauncher(launcher -> assertFalse("Initial workspace state is scrollable",
+                isWorkspaceScrollable(launcher)));
+        assertEquals("Initial workspace doesn't have the correct page", workspace.pagesPerScreen(),
+                workspace.getPageCount());
+        workspace.verifyWorkspaceAppIconIsGone("Chrome app was found on empty workspace", "Chrome");
+        workspace.ensureWorkspaceIsScrollable();
+
+        executeOnLauncher(
+                launcher -> assertEquals(
+                        "Ensuring workspace scrollable didn't switch to next screen",
+                        workspace.pagesPerScreen(), getCurrentWorkspacePage(launcher)));
+        executeOnLauncher(
+                launcher -> assertTrue("ensureScrollable didn't make workspace scrollable",
+                        isWorkspaceScrollable(launcher)));
+        assertNotNull("ensureScrollable didn't add Chrome app",
+                workspace.getWorkspaceAppIcon("Chrome"));
+
+        // Test flinging workspace.
+        workspace.flingBackward();
+        assertTrue("Launcher internal state is not Home", isInState(() -> LauncherState.NORMAL));
+        executeOnLauncher(
+                launcher -> assertEquals("Flinging back didn't switch workspace to page #0",
+                        0, getCurrentWorkspacePage(launcher)));
+
+        workspace.flingForward();
+        executeOnLauncher(
+                launcher -> assertEquals("Flinging forward didn't switch workspace to next screen",
+                        workspace.pagesPerScreen(), getCurrentWorkspacePage(launcher)));
+        assertTrue("Launcher internal state is not Home", isInState(() -> LauncherState.NORMAL));
+
+        // Test starting a workspace app.
+        final HomeAppIcon app = workspace.getWorkspaceAppIcon("Chrome");
+        assertNotNull("No Chrome app in workspace", app);
+    }
+
+
+    /**
+     * Similar to {@link TaplWorkspaceTest#testWorkspace} but here we also make sure we can delete
+     * the pages.
+     */
+    @PlatinumTest(focusArea = "launcher")
+    @Test
+    public void testAddAndDeletePageAndFling() {
+        Workspace workspace = mLauncher.getWorkspace();
+        // Get the first app from the hotseat
+        HomeAppIcon hotSeatIcon = workspace.getHotseatAppIcon(0);
+        String appName = hotSeatIcon.getIconName();
+
+        // Add one page by dragging app to page 1.
+        workspace.dragIcon(hotSeatIcon, workspace.pagesPerScreen());
+        assertEquals("Incorrect Page count Number",
+                workspace.pagesPerScreen() * 2,
+                workspace.getPageCount());
+
+        // Delete one page by dragging app to hot seat.
+        workspace.getWorkspaceAppIcon(appName).dragToHotseat(0);
+
+        // Refresh workspace to avoid using stale container error.
+        workspace = mLauncher.getWorkspace();
+        assertEquals("Incorrect Page count Number",
+                workspace.pagesPerScreen(),
+                workspace.getPageCount());
+    }
+}
diff --git a/tests/src/com/android/launcher3/util/viewcapture_analysis/FlashDetector.java b/tests/src/com/android/launcher3/util/viewcapture_analysis/FlashDetector.java
index 8b88ace..0d4eaf1 100644
--- a/tests/src/com/android/launcher3/util/viewcapture_analysis/FlashDetector.java
+++ b/tests/src/com/android/launcher3/util/viewcapture_analysis/FlashDetector.java
@@ -53,7 +53,7 @@
                     + "/add_item_bottom_sheet|LinearLayout:id/add_item_bottom_sheet_content"
                     + "|ScrollView:id/widget_preview_scroll_view|WidgetCell:id/widget_cell"
                     + "|WidgetCellPreview:id/widget_preview_container|ImageView:id/widget_badge",
-            RECENTS_DRAG_LAYER + "FallbackRecentsView:id/overview_panel|TaskView|IconView:id/icon",
+            RECENTS_DRAG_LAYER + "FallbackRecentsView:id/overview_panel|TaskView",
             DRAG_LAYER + "SearchContainerView:id/apps_view",
             DRAG_LAYER + "LauncherDragView",
             DRAG_LAYER + "FloatingTaskView|FloatingTaskThumbnailView:id/thumbnail",
diff --git a/tests/tapl/com/android/launcher3/tapl/KeyboardQuickSwitch.java b/tests/tapl/com/android/launcher3/tapl/KeyboardQuickSwitch.java
index 2a98a24..a1d8059 100644
--- a/tests/tapl/com/android/launcher3/tapl/KeyboardQuickSwitch.java
+++ b/tests/tapl/com/android/launcher3/tapl/KeyboardQuickSwitch.java
@@ -37,7 +37,6 @@
     private static final Pattern EVENT_ALT_TAB_UP = Pattern.compile(
             "KeyboardQuickSwitchView key event: KeyEvent.*?action=ACTION_UP.*?keyCode=KEYCODE_TAB"
                     + ".*?metaState=META_ALT_ON");
-
     private static final Pattern EVENT_ALT_SHIFT_TAB_DOWN = Pattern.compile(
             "KeyboardQuickSwitchView key event: KeyEvent.*?action=ACTION_DOWN.*?keyCode=KEYCODE_TAB"
                     + ".*?metaState=META_ALT_ON|META_SHIFT_ON");
@@ -50,7 +49,10 @@
     private static final Pattern EVENT_ALT_ESC_UP = Pattern.compile(
             "KeyboardQuickSwitchView key event: KeyEvent.*?action=ACTION_UP"
                     + ".*?keyCode=KEYCODE_ESCAPE.*?metaState=META_ALT_ON");
-    private static final Pattern EVENT_ALT_LEFT_UP = Pattern.compile(
+    private static final Pattern EVENT_KQS_ALT_LEFT_UP = Pattern.compile(
+            "KeyboardQuickSwitchView key event: KeyEvent.*?action=ACTION_UP"
+                    + ".*?keyCode=KEYCODE_ALT_LEFT");
+    private static final Pattern EVENT_HOME_ALT_LEFT_UP = Pattern.compile(
             "Key event: KeyEvent.*?action=ACTION_UP"
                     + ".*?keyCode=KEYCODE_ALT_LEFT");
 
@@ -82,22 +84,21 @@
      */
     public KeyboardQuickSwitch moveFocusForward() {
         try (LauncherInstrumentation.Closable c1 = mLauncher.addContextLayer(
-                "want to move keyboard quick switch focus forward")) {
+                "want to move keyboard quick switch focus forward");
+             LauncherInstrumentation.Closable e = mLauncher.eventsCheck()) {
             mLauncher.waitForLauncherObject(KEYBOARD_QUICK_SWITCH_RES_ID);
 
-            try (LauncherInstrumentation.Closable e = mLauncher.eventsCheck()) {
-                mLauncher.expectEvent(TestProtocol.SEQUENCE_MAIN, EVENT_ALT_TAB_DOWN);
-                mLauncher.expectEvent(TestProtocol.SEQUENCE_MAIN, EVENT_ALT_TAB_UP);
-                mLauncher.assertTrue("Failed to press alt+tab",
-                        mLauncher.getDevice().pressKeyCode(
-                                KeyEvent.KEYCODE_TAB, KeyEvent.META_ALT_ON));
+            mLauncher.expectEvent(TestProtocol.SEQUENCE_MAIN, EVENT_ALT_TAB_DOWN);
+            mLauncher.expectEvent(TestProtocol.SEQUENCE_MAIN, EVENT_ALT_TAB_UP);
+            mLauncher.assertTrue("Failed to press alt+tab",
+                    mLauncher.getDevice().pressKeyCode(
+                            KeyEvent.KEYCODE_TAB, KeyEvent.META_ALT_ON));
 
-                try (LauncherInstrumentation.Closable c2 = mLauncher.addContextLayer(
-                        "pressed alt+tab")) {
-                    mLauncher.waitForLauncherObject(KEYBOARD_QUICK_SWITCH_RES_ID);
+            try (LauncherInstrumentation.Closable c2 = mLauncher.addContextLayer(
+                    "pressed alt+tab")) {
+                mLauncher.waitForLauncherObject(KEYBOARD_QUICK_SWITCH_RES_ID);
 
-                    return this;
-                }
+                return this;
             }
         }
     }
@@ -117,23 +118,22 @@
      */
     public KeyboardQuickSwitch moveFocusBackward() {
         try (LauncherInstrumentation.Closable c1 = mLauncher.addContextLayer(
-                "want to move keyboard quick switch focus backward")) {
+                "want to move keyboard quick switch focus backward");
+             LauncherInstrumentation.Closable e = mLauncher.eventsCheck()) {
             mLauncher.waitForLauncherObject(KEYBOARD_QUICK_SWITCH_RES_ID);
 
-            try (LauncherInstrumentation.Closable e = mLauncher.eventsCheck()) {
-                mLauncher.expectEvent(TestProtocol.SEQUENCE_MAIN, EVENT_ALT_SHIFT_TAB_DOWN);
-                mLauncher.expectEvent(TestProtocol.SEQUENCE_MAIN, EVENT_ALT_SHIFT_TAB_UP);
-                mLauncher.assertTrue("Failed to press alt+shift+tab",
-                        mLauncher.getDevice().pressKeyCode(
-                                KeyEvent.KEYCODE_TAB,
-                                KeyEvent.META_ALT_ON | KeyEvent.META_SHIFT_ON));
+            mLauncher.expectEvent(TestProtocol.SEQUENCE_MAIN, EVENT_ALT_SHIFT_TAB_DOWN);
+            mLauncher.expectEvent(TestProtocol.SEQUENCE_MAIN, EVENT_ALT_SHIFT_TAB_UP);
+            mLauncher.assertTrue("Failed to press alt+shift+tab",
+                    mLauncher.getDevice().pressKeyCode(
+                            KeyEvent.KEYCODE_TAB,
+                            KeyEvent.META_ALT_ON | KeyEvent.META_SHIFT_ON));
 
-                try (LauncherInstrumentation.Closable c2 = mLauncher.addContextLayer(
-                        "pressed alt+shift+tab")) {
-                    mLauncher.waitForLauncherObject(KEYBOARD_QUICK_SWITCH_RES_ID);
+            try (LauncherInstrumentation.Closable c2 = mLauncher.addContextLayer(
+                    "pressed alt+shift+tab")) {
+                mLauncher.waitForLauncherObject(KEYBOARD_QUICK_SWITCH_RES_ID);
 
-                    return this;
-                }
+                return this;
             }
         }
     }
@@ -146,27 +146,28 @@
      */
     public void dismiss() {
         try (LauncherInstrumentation.Closable c1 = mLauncher.addContextLayer(
-                "want to dismiss keyboard quick switch view")) {
+                "want to dismiss keyboard quick switch view");
+             LauncherInstrumentation.Closable e = mLauncher.eventsCheck()) {
             mLauncher.waitForLauncherObject(KEYBOARD_QUICK_SWITCH_RES_ID);
 
-            try (LauncherInstrumentation.Closable e = mLauncher.eventsCheck()) {
-                mLauncher.expectEvent(TestProtocol.SEQUENCE_MAIN, EVENT_ALT_ESC_DOWN);
-                mLauncher.expectEvent(TestProtocol.SEQUENCE_MAIN, EVENT_ALT_ESC_UP);
-                mLauncher.assertTrue("Failed to press alt+tab",
-                        mLauncher.getDevice().pressKeyCode(
-                                KeyEvent.KEYCODE_ESCAPE, KeyEvent.META_ALT_ON));
+            mLauncher.expectEvent(TestProtocol.SEQUENCE_MAIN, EVENT_ALT_ESC_DOWN);
+            mLauncher.expectEvent(TestProtocol.SEQUENCE_MAIN, EVENT_ALT_ESC_UP);
+            mLauncher.assertTrue("Failed to press alt+tab",
+                    mLauncher.getDevice().pressKeyCode(
+                            KeyEvent.KEYCODE_ESCAPE, KeyEvent.META_ALT_ON));
 
-                try (LauncherInstrumentation.Closable c2 = mLauncher.addContextLayer(
-                        "pressed alt+esc")) {
-                    mLauncher.waitUntilLauncherObjectGone(KEYBOARD_QUICK_SWITCH_RES_ID);
-                    if (mExpectHomeKeyEventsOnDismiss) {
-                        mLauncher.expectEvent(TestProtocol.SEQUENCE_MAIN, EVENT_ALT_LEFT_UP);
-                    }
-                    mLauncher.unpressKeyCode(KeyEvent.KEYCODE_ALT_LEFT, 0);
+            try (LauncherInstrumentation.Closable c2 = mLauncher.addContextLayer(
+                    "pressed alt+esc")) {
+                mLauncher.waitUntilLauncherObjectGone(KEYBOARD_QUICK_SWITCH_RES_ID);
 
-                    // Verify the final state is the same as the initial state
-                    mLauncher.verifyContainerType(mStartingContainerType);
+                // Verify the final state is the same as the initial state
+                mLauncher.verifyContainerType(mStartingContainerType);
+
+                // Wait until the device has fully settled before unpressing the key code
+                if (mExpectHomeKeyEventsOnDismiss) {
+                    mLauncher.expectEvent(TestProtocol.SEQUENCE_MAIN, EVENT_HOME_ALT_LEFT_UP);
                 }
+                mLauncher.unpressKeyCode(KeyEvent.KEYCODE_ALT_LEFT, 0);
             }
         }
     }
@@ -180,7 +181,9 @@
      * @param expectedPackageName the package name of the expected launched app
      */
     public LaunchedAppState launchFocusedAppTask(@NonNull String expectedPackageName) {
-        return (LaunchedAppState) launchFocusedTask(expectedPackageName);
+        try (LauncherInstrumentation.Closable e = mLauncher.eventsCheck()) {
+            return (LaunchedAppState) launchFocusedTask(expectedPackageName);
+        }
     }
 
     /**
@@ -190,22 +193,29 @@
      * {@link #launchFocusedAppTask(String)}.
      */
     public Overview launchFocusedOverviewTask() {
-        return (Overview) launchFocusedTask(null);
+        try (LauncherInstrumentation.Closable e = mLauncher.eventsCheck()) {
+            return (Overview) launchFocusedTask(null);
+        }
     }
 
     private LauncherInstrumentation.VisibleContainer launchFocusedTask(
             @Nullable String expectedPackageName) {
-        try (LauncherInstrumentation.Closable c = mLauncher.addContextLayer(
+        try (LauncherInstrumentation.Closable c1 = mLauncher.addContextLayer(
                 "want to launch focused task: "
                         + (expectedPackageName == null ? "Overview" : expectedPackageName))) {
+            mLauncher.expectEvent(TestProtocol.SEQUENCE_MAIN, EVENT_KQS_ALT_LEFT_UP);
             mLauncher.unpressKeyCode(KeyEvent.KEYCODE_ALT_LEFT, 0);
-            mLauncher.waitUntilLauncherObjectGone(KEYBOARD_QUICK_SWITCH_RES_ID);
 
-            if (expectedPackageName != null) {
-                mLauncher.assertAppLaunched(expectedPackageName);
-                return mLauncher.getLaunchedAppState();
-            } else {
-                return mLauncher.getOverview();
+            try (LauncherInstrumentation.Closable c2 = mLauncher.addContextLayer(
+                    "un-pressed left alt")) {
+                mLauncher.waitUntilLauncherObjectGone(KEYBOARD_QUICK_SWITCH_RES_ID);
+
+                if (expectedPackageName != null) {
+                    mLauncher.assertAppLaunched(expectedPackageName);
+                    return mLauncher.getLaunchedAppState();
+                } else {
+                    return mLauncher.getOverview();
+                }
             }
         }
     }
diff --git a/tests/tapl/com/android/launcher3/tapl/KeyboardQuickSwitchSource.java b/tests/tapl/com/android/launcher3/tapl/KeyboardQuickSwitchSource.java
index b7e3d38..677ed04 100644
--- a/tests/tapl/com/android/launcher3/tapl/KeyboardQuickSwitchSource.java
+++ b/tests/tapl/com/android/launcher3/tapl/KeyboardQuickSwitchSource.java
@@ -32,7 +32,8 @@
         LauncherInstrumentation launcher = getLauncher();
 
         try (LauncherInstrumentation.Closable c1 = launcher.addContextLayer(
-                "want to show keyboard quick switch object")) {
+                "want to show keyboard quick switch object");
+             LauncherInstrumentation.Closable e = launcher.eventsCheck()) {
             launcher.pressAndHoldKeyCode(KeyEvent.KEYCODE_TAB, KeyEvent.META_ALT_LEFT_ON);
 
             try (LauncherInstrumentation.Closable c2 = launcher.addContextLayer(