diff --git a/AndroidManifest-common.xml b/AndroidManifest-common.xml
index 3fd7375..c581415 100644
--- a/AndroidManifest-common.xml
+++ b/AndroidManifest-common.xml
@@ -50,13 +50,11 @@
     -->
     <permission
         android:name="${packageName}.permission.READ_SETTINGS"
-        android:permissionGroup="android.permission-group.SYSTEM_TOOLS"
         android:protectionLevel="signatureOrSystem"
         android:label="@string/permlab_read_settings"
         android:description="@string/permdesc_read_settings"/>
     <permission
         android:name="${packageName}.permission.WRITE_SETTINGS"
-        android:permissionGroup="android.permission-group.SYSTEM_TOOLS"
         android:protectionLevel="signatureOrSystem"
         android:label="@string/permlab_write_settings"
         android:description="@string/permdesc_write_settings"/>
diff --git a/quickstep/AndroidManifest.xml b/quickstep/AndroidManifest.xml
index 0f92274..25b39ed 100644
--- a/quickstep/AndroidManifest.xml
+++ b/quickstep/AndroidManifest.xml
@@ -28,6 +28,7 @@
     <uses-permission android:name="android.permission.QUERY_ALL_PACKAGES"/>
     <uses-permission android:name="android.permission.START_TASKS_FROM_RECENTS"/>
     <uses-permission android:name="android.permission.REMOVE_TASKS"/>
+    <uses-permission android:name="android.permission.WRITE_SECURE_SETTINGS"/>
     <uses-permission android:name="android.permission.MANAGE_ACTIVITY_TASKS"/>
     <uses-permission android:name="android.permission.STATUS_BAR"/>
     <uses-permission android:name="android.permission.STOP_APP_SWITCHES"/>
diff --git a/quickstep/res/drawable/taskbar_icon_click_feedback_roundrect.xml b/quickstep/res/drawable/taskbar_icon_click_feedback_roundrect.xml
index d6160de..534f241 100644
--- a/quickstep/res/drawable/taskbar_icon_click_feedback_roundrect.xml
+++ b/quickstep/res/drawable/taskbar_icon_click_feedback_roundrect.xml
@@ -16,7 +16,7 @@
   -->
 
 <ripple xmlns:android="http://schemas.android.com/apk/res/android"
-    android:color="@color/taskbar_icon_selection_ripple">
+    android:color="@color/taskbar_nav_icon_selection_ripple">
     <item android:id="@android:id/mask">
         <shape android:shape="rectangle">
             <solid android:color="@android:color/white" />
diff --git a/quickstep/res/layout/taskbar_nav_button.xml b/quickstep/res/layout/taskbar_nav_button.xml
index 4ffb8d8..aea4885 100644
--- a/quickstep/res/layout/taskbar_nav_button.xml
+++ b/quickstep/res/layout/taskbar_nav_button.xml
@@ -15,7 +15,10 @@
 -->
 <ImageView
     xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="@dimen/taskbar_nav_buttons_size"
     android:layout_height="@dimen/taskbar_nav_buttons_size"
     android:background="@drawable/taskbar_icon_click_feedback_roundrect"
-    android:scaleType="center"/>
\ No newline at end of file
+    android:scaleType="center"
+    android:tint="@color/taskbar_nav_icon_light_color"
+    tools:ignore="UseAppTint" />
\ No newline at end of file
diff --git a/quickstep/res/values/colors.xml b/quickstep/res/values/colors.xml
index f237d26..671a617 100644
--- a/quickstep/res/values/colors.xml
+++ b/quickstep/res/values/colors.xml
@@ -25,14 +25,14 @@
 
     <!-- Taskbar -->
     <color name="taskbar_background">@color/overview_scrim_dark</color>
-    <color name="taskbar_icon_selection_ripple">#E0E0E0</color>
-
+    <color name="taskbar_nav_icon_selection_ripple">#E0E0E0</color>
+    <color name="taskbar_nav_icon_light_color">#ffffff</color>
+    <!-- The dark navigation button color is only used in the rare cases that taskbar isn't drawing
+    its background and the underlying app has requested dark buttons. -->
+    <color name="taskbar_nav_icon_dark_color">#99000000</color>
     <color name="taskbar_stashed_handle_light_color">#EBffffff</color>
     <color name="taskbar_stashed_handle_dark_color">#99000000</color>
 
-    <color name="rotation_button_light_color">#FFF</color>
-    <color name="rotation_button_dark_color">#99000000</color>
-
     <!-- Gesture navigation tutorial -->
     <color name="gesture_tutorial_back_arrow_color">#FFFFFFFF</color>
 
diff --git a/quickstep/res/values/dimens.xml b/quickstep/res/values/dimens.xml
index e48c9e8..4e6b7b9 100644
--- a/quickstep/res/values/dimens.xml
+++ b/quickstep/res/values/dimens.xml
@@ -28,6 +28,7 @@
     <dimen name="task_menu_item_corner_radius">4dp</dimen>
     <dimen name="task_menu_spacing">2dp</dimen>
     <dimen name="task_menu_width_grid">234dp</dimen>
+    <dimen name="task_menu_horizontal_padding">8dp</dimen>
     <dimen name="overview_proactive_row_height">48dp</dimen>
     <dimen name="overview_proactive_row_bottom_margin">16dp</dimen>
 
diff --git a/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java b/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
index 6e2d2a9..38e8e72 100644
--- a/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
+++ b/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
@@ -301,7 +301,8 @@
         mActionsView = findViewById(R.id.overview_actions_view);
         RecentsView overviewPanel = (RecentsView) getOverviewPanel();
         SplitSelectStateController controller =
-                new SplitSelectStateController(mHandler, SystemUiProxy.INSTANCE.get(this));
+                new SplitSelectStateController(mHandler, SystemUiProxy.INSTANCE.get(this),
+                        getStateManager(), getDepthController());
         overviewPanel.init(mActionsView, controller);
         mActionsView.setDp(getDeviceProfile());
         mActionsView.updateVerticalMargin(SysUINavigationMode.getMode(this));
diff --git a/quickstep/src/com/android/launcher3/model/QuickstepModelDelegate.java b/quickstep/src/com/android/launcher3/model/QuickstepModelDelegate.java
index e82c900..f9a0bb1 100644
--- a/quickstep/src/com/android/launcher3/model/QuickstepModelDelegate.java
+++ b/quickstep/src/com/android/launcher3/model/QuickstepModelDelegate.java
@@ -161,8 +161,7 @@
             }
             InstanceId instanceId = new InstanceIdSequence().newInstanceId();
             for (ItemInfo info : itemsIdMap) {
-                FolderInfo parent = info.container > 0
-                        ? (FolderInfo) itemsIdMap.get(info.container) : null;
+                FolderInfo parent = getContainer(info, itemsIdMap);
                 StatsLogCompatManager.writeSnapshot(info.buildProto(parent), instanceId);
             }
             additionalSnapshotEvents(instanceId);
@@ -199,8 +198,7 @@
                         }
 
                         for (ItemInfo info : itemsIdMap) {
-                            FolderInfo parent = info.container > 0
-                                    ? (FolderInfo) itemsIdMap.get(info.container) : null;
+                            FolderInfo parent = getContainer(info, itemsIdMap);
                             LauncherAtom.ItemInfo itemInfo = info.buildProto(parent);
                             Log.d(TAG, itemInfo.toString());
                             StatsEvent statsEvent = StatsLogCompatManager.buildStatsEvent(itemInfo,
@@ -222,6 +220,22 @@
         }
     }
 
+    private static FolderInfo getContainer(ItemInfo info, IntSparseArrayMap<ItemInfo> itemsIdMap) {
+        if (info.container > 0) {
+            ItemInfo containerInfo = itemsIdMap.get(info.container);
+
+            if (!(containerInfo instanceof FolderInfo)) {
+                Log.e(TAG, String.format(
+                        "Item info: %s found with invalid container: %s",
+                        info,
+                        containerInfo));
+            } else {
+                return (FolderInfo) containerInfo;
+            }
+        }
+        return null;
+    }
+
     @Override
     public void validateData() {
         super.validateData();
diff --git a/quickstep/src/com/android/launcher3/statehandlers/DepthController.java b/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
index 9d70cfa..e1d89a1 100644
--- a/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
+++ b/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
@@ -44,7 +44,6 @@
 import com.android.systemui.shared.system.BlurUtils;
 import com.android.systemui.shared.system.WallpaperManagerCompat;
 
-import java.io.FileDescriptor;
 import java.io.PrintWriter;
 import java.util.function.Consumer;
 
@@ -156,6 +155,10 @@
     // Workaround for animating the depth when multiwindow mode changes.
     private boolean mIgnoreStateChangesDuringMultiWindowAnimation = false;
 
+    // Hints that there is potentially content behind Launcher and that we shouldn't optimize by
+    // marking the launcher surface as opaque.  Only used in certain Launcher states.
+    private boolean mHasContentBehindLauncher;
+
     private View.OnAttachStateChangeListener mOnAttachListener;
 
     public DepthController(Launcher l) {
@@ -199,6 +202,10 @@
         mLauncher.getScrimView().addOpaquenessListener(mOpaquenessListener);
     }
 
+    public void setHasContentBehindLauncher(boolean hasContentBehindLauncher) {
+        mHasContentBehindLauncher = hasContentBehindLauncher;
+    }
+
     /**
      * Sets if the underlying activity is started or not
      */
@@ -311,13 +318,14 @@
         }
 
         if (supportsBlur) {
-            boolean opaque = mLauncher.getScrimView().isFullyOpaque();
+            boolean hasOpaqueBg = mLauncher.getScrimView().isFullyOpaque();
+            boolean isSurfaceOpaque = !mHasContentBehindLauncher && hasOpaqueBg;
 
-            mCurrentBlur = !mCrossWindowBlursEnabled || mBlurDisabledForAppLaunch
+            mCurrentBlur = !mCrossWindowBlursEnabled || mBlurDisabledForAppLaunch || hasOpaqueBg
                     ? 0 : (int) (depth * mMaxBlurRadius);
             SurfaceControl.Transaction transaction = new SurfaceControl.Transaction()
                     .setBackgroundBlurRadius(mSurface, mCurrentBlur)
-                    .setOpaque(mSurface, opaque);
+                    .setOpaque(mSurface, isSurfaceOpaque);
 
             // Set early wake-up flags when we know we're executing an expensive operation, this way
             // SurfaceFlinger will adjust its internal offsets to avoid jank.
diff --git a/quickstep/src/com/android/launcher3/taskbar/FallbackTaskbarUIController.java b/quickstep/src/com/android/launcher3/taskbar/FallbackTaskbarUIController.java
index 24a88a4..90c035f 100644
--- a/quickstep/src/com/android/launcher3/taskbar/FallbackTaskbarUIController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/FallbackTaskbarUIController.java
@@ -46,16 +46,13 @@
                 }
             };
 
-    // Initialized in init.
-    TaskbarControllers mControllers;
-
     public FallbackTaskbarUIController(RecentsActivity recentsActivity) {
         mRecentsActivity = recentsActivity;
     }
 
     @Override
     protected void init(TaskbarControllers taskbarControllers) {
-        mControllers = taskbarControllers;
+        super.init(taskbarControllers);
 
         mRecentsActivity.setTaskbarUIController(this);
         mRecentsActivity.getStateManager().addStateListener(mStateListener);
diff --git a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
index 1c0c773..7d23439 100644
--- a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
@@ -25,7 +25,6 @@
 import android.util.Log;
 import android.view.MotionEvent;
 import android.view.TaskTransitionSpec;
-import android.view.View;
 import android.view.WindowManagerGlobal;
 
 import androidx.annotation.NonNull;
@@ -62,7 +61,6 @@
             this::onStashedInAppChanged;
 
     // Initialized in init.
-    private TaskbarControllers mControllers;
     private AnimatedFloat mTaskbarOverrideBackgroundAlpha;
     private TaskbarKeyguardController mKeyguardController;
     private final TaskbarLauncherStateController
@@ -83,7 +81,7 @@
 
     @Override
     protected void init(TaskbarControllers taskbarControllers) {
-        mControllers = taskbarControllers;
+        super.init(taskbarControllers);
 
         mTaskbarLauncherStateController.init(mControllers, mLauncher);
         mTaskbarOverrideBackgroundAlpha = mControllers.taskbarDragLayerController
@@ -168,10 +166,6 @@
         return mControllers.taskbarDragController.isDragging();
     }
 
-    public View getRootView() {
-        return mControllers.taskbarActivityContext.getDragLayer();
-    }
-
     @Override
     protected void onStashedInAppChanged() {
         onStashedInAppChanged(mLauncher.getDeviceProfile());
@@ -251,4 +245,12 @@
         mLauncher.logAppLaunch(mControllers.taskbarActivityContext.getStatsLogManager(), item,
                 instanceId);
     }
+
+    @Override
+    public void setSystemGestureInProgress(boolean inProgress) {
+        super.setSystemGestureInProgress(inProgress);
+        // Launcher's ScrimView will draw the background throughout the gesture. But once the
+        // gesture ends, start drawing taskbar's background again since launcher might stop drawing.
+        forceHideBackground(inProgress);
+    }
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java b/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
index 4b6dacd..f6e0426 100644
--- a/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
@@ -15,16 +15,12 @@
  */
 package com.android.launcher3.taskbar;
 
-import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL;
-
 import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_X;
 import static com.android.launcher3.taskbar.TaskbarNavButtonController.BUTTON_A11Y;
-import static com.android.launcher3.taskbar.TaskbarNavButtonController.BUTTON_A11Y_LONG_CLICK;
 import static com.android.launcher3.taskbar.TaskbarNavButtonController.BUTTON_BACK;
 import static com.android.launcher3.taskbar.TaskbarNavButtonController.BUTTON_HOME;
 import static com.android.launcher3.taskbar.TaskbarNavButtonController.BUTTON_IME_SWITCH;
 import static com.android.launcher3.taskbar.TaskbarNavButtonController.BUTTON_RECENTS;
-import static com.android.launcher3.taskbar.TaskbarViewController.ALPHA_INDEX_IME;
 import static com.android.launcher3.taskbar.TaskbarViewController.ALPHA_INDEX_KEYGUARD;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_A11Y_BUTTON_CLICKABLE;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_A11Y_BUTTON_LONG_CLICKABLE;
@@ -36,11 +32,11 @@
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_OVERVIEW_DISABLED;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_QUICK_SETTINGS_EXPANDED;
 
+import android.animation.ArgbEvaluator;
 import android.animation.ObjectAnimator;
 import android.annotation.DrawableRes;
 import android.annotation.IdRes;
 import android.annotation.LayoutRes;
-import android.content.Context;
 import android.content.res.ColorStateList;
 import android.graphics.Rect;
 import android.graphics.Region;
@@ -92,9 +88,8 @@
 
     private static final int MASK_IME_SWITCHER_VISIBLE = FLAG_SWITCHER_SUPPORTED | FLAG_IME_VISIBLE;
 
-    private View.OnLongClickListener mA11yLongClickListener;
     private final ArrayList<StatePropertyHolder> mPropertyHolders = new ArrayList<>();
-    private final ArrayList<View> mAllButtons = new ArrayList<>();
+    private final ArrayList<ImageView> mAllButtons = new ArrayList<>();
     private int mState;
 
     private final TaskbarActivityContext mContext;
@@ -103,11 +98,17 @@
     // Used for IME+A11Y buttons
     private final ViewGroup mEndContextualContainer;
     private final ViewGroup mStartContextualContainer;
+    private final int mLightIconColor;
+    private final int mDarkIconColor;
 
     private final AnimatedFloat mTaskbarNavButtonTranslationY = new AnimatedFloat(
             this::updateNavButtonTranslationY);
     private final AnimatedFloat mNavButtonTranslationYMultiplier = new AnimatedFloat(
             this::updateNavButtonTranslationY);
+    private final AnimatedFloat mTaskbarNavButtonDarkIntensity = new AnimatedFloat(
+            this::updateNavButtonDarkIntensity);
+    private final AnimatedFloat mNavButtonDarkIntensityMultiplier = new AnimatedFloat(
+            this::updateNavButtonDarkIntensity);
     private final RotationButtonListener mRotationButtonListener = new RotationButtonListener();
 
     private final Rect mFloatingRotationButtonBounds = new Rect();
@@ -125,6 +126,9 @@
         mNavButtonContainer = mNavButtonsView.findViewById(R.id.end_nav_buttons);
         mEndContextualContainer = mNavButtonsView.findViewById(R.id.end_contextual_buttons);
         mStartContextualContainer = mNavButtonsView.findViewById(R.id.start_contextual_buttons);
+
+        mLightIconColor = context.getColor(R.color.taskbar_nav_icon_light_color);
+        mDarkIconColor = context.getColor(R.color.taskbar_nav_icon_dark_color);
     }
 
     /**
@@ -135,16 +139,6 @@
         mNavButtonsView.getLayoutParams().height = mContext.getDeviceProfile().taskbarSize;
         mNavButtonTranslationYMultiplier.value = 1;
 
-        mA11yLongClickListener = view -> {
-            mControllers.navButtonController.onButtonClick(BUTTON_A11Y_LONG_CLICK);
-            return true;
-        };
-
-        mPropertyHolders.add(new StatePropertyHolder(
-                mControllers.taskbarViewController.getTaskbarIconAlpha()
-                        .getProperty(ALPHA_INDEX_IME),
-                flags -> (flags & FLAG_IME_VISIBLE) == 0, MultiValueAlpha.VALUE, 1, 0));
-
         boolean isThreeButtonNav = mContext.isThreeButtonNav();
         // IME switcher
         View imeSwitcherButton = addButton(R.drawable.ic_ime_switcher, BUTTON_IME_SWITCH,
@@ -196,7 +190,7 @@
             }
 
             // Animate taskbar background when any of these flags are enabled
-            int flagsToShowBg = FLAG_IME_VISIBLE | FLAG_ONLY_BACK_FOR_BOUNCER_VISIBLE
+            int flagsToShowBg = FLAG_ONLY_BACK_FOR_BOUNCER_VISIBLE
                     | FLAG_NOTIFICATION_SHADE_EXPANDED;
             mPropertyHolders.add(new StatePropertyHolder(
                     mControllers.taskbarDragLayerController.getNavbarBackgroundAlpha(),
@@ -278,7 +272,6 @@
         mPropertyHolders.add(new StatePropertyHolder(mA11yButton,
                 flags -> (flags & FLAG_A11Y_VISIBLE) != 0
                         && (flags & FLAG_ROTATION_BUTTON_VISIBLE) == 0));
-        mA11yButton.setOnLongClickListener(mA11yLongClickListener);
     }
 
     private void parseSystemUiFlags(int sysUiStateFlags) {
@@ -379,6 +372,16 @@
         return mTaskbarNavButtonTranslationY;
     }
 
+    /** Use to set the dark intensity for the all nav+contextual buttons */
+    public AnimatedFloat getTaskbarNavButtonDarkIntensity() {
+        return mTaskbarNavButtonDarkIntensity;
+    }
+
+    /** Use to determine whether to use the dark intensity requested by the underlying app */
+    public AnimatedFloat getNavButtonDarkIntensityMultiplier() {
+        return mNavButtonDarkIntensityMultiplier;
+    }
+
     /**
      * Does not call {@link #applyState()}. Don't forget to!
      */
@@ -402,6 +405,16 @@
                 * mNavButtonTranslationYMultiplier.value);
     }
 
+    private void updateNavButtonDarkIntensity() {
+        float darkIntensity = mTaskbarNavButtonDarkIntensity.value
+                * mNavButtonDarkIntensityMultiplier.value;
+        int iconColor = (int) ArgbEvaluator.getInstance().evaluate(darkIntensity, mLightIconColor,
+                mDarkIconColor);
+        for (ImageView button : mAllButtons) {
+            button.setImageTintList(ColorStateList.valueOf(iconColor));
+        }
+    }
+
     private ImageView addButton(@DrawableRes int drawableId, @TaskbarButton int buttonType,
             ViewGroup parent, TaskbarNavButtonController navButtonController, @IdRes int id) {
         return addButton(drawableId, buttonType, parent, navButtonController, id,
@@ -414,6 +427,8 @@
         ImageView buttonView = addButton(parent, id, layoutId);
         buttonView.setImageResource(drawableId);
         buttonView.setOnClickListener(view -> navButtonController.onButtonClick(buttonType));
+        buttonView.setOnLongClickListener(view ->
+                navButtonController.onButtonLongClick(buttonType));
         return buttonView;
     }
 
diff --git a/quickstep/src/com/android/launcher3/taskbar/StashedHandleViewController.java b/quickstep/src/com/android/launcher3/taskbar/StashedHandleViewController.java
index 2c80f06..22ca63f 100644
--- a/quickstep/src/com/android/launcher3/taskbar/StashedHandleViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/StashedHandleViewController.java
@@ -16,6 +16,8 @@
 package com.android.launcher3.taskbar;
 
 import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.animation.ValueAnimator;
 import android.content.SharedPreferences;
 import android.content.res.Resources;
 import android.graphics.Outline;
@@ -23,8 +25,6 @@
 import android.view.View;
 import android.view.ViewOutlineProvider;
 
-import androidx.annotation.Nullable;
-
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.RevealOutlineAnimation;
@@ -66,7 +66,10 @@
     private final Rect mStashedHandleBounds = new Rect();
     private float mStashedHandleRadius;
 
-    private boolean mIsAtStashedRevealBounds = true;
+    // When the reveal animation is cancelled, we can assume it's about to create a new animation,
+    // which should start off at the same point the cancelled one left off.
+    private float mStartProgressForNextRevealAnim;
+    private boolean mWasLastRevealAnimReversed;
 
     public StashedHandleViewController(TaskbarActivityContext activity,
             StashedHandleView stashedHandleView) {
@@ -148,15 +151,27 @@
      * shape and size. When stashed, the shape is a thin rounded pill. When unstashed, the shape
      * morphs into the size of where the taskbar icons will be.
      */
-    public @Nullable Animator createRevealAnimToIsStashed(boolean isStashed) {
-        if (mIsAtStashedRevealBounds == isStashed) {
-            return null;
-        }
-        mIsAtStashedRevealBounds = isStashed;
+    public Animator createRevealAnimToIsStashed(boolean isStashed) {
         final RevealOutlineAnimation handleRevealProvider = new RoundedRectRevealOutlineProvider(
                 mStashedHandleRadius, mStashedHandleRadius,
                 mControllers.taskbarViewController.getIconLayoutBounds(), mStashedHandleBounds);
-        return handleRevealProvider.createRevealAnimator(mStashedHandleView, !isStashed);
+
+        boolean isReversed = !isStashed;
+        boolean changingDirection = mWasLastRevealAnimReversed != isReversed;
+        mWasLastRevealAnimReversed = isReversed;
+        if (changingDirection) {
+            mStartProgressForNextRevealAnim = 1f - mStartProgressForNextRevealAnim;
+        }
+
+        ValueAnimator revealAnim = handleRevealProvider.createRevealAnimator(mStashedHandleView,
+                isReversed, mStartProgressForNextRevealAnim);
+        revealAnim.addListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                mStartProgressForNextRevealAnim = ((ValueAnimator) animation).getAnimatedFraction();
+            }
+        });
+        return revealAnim;
     }
 
     public void onIsStashed(boolean isStashed) {
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
index 55e9887..bc68173 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
@@ -20,7 +20,6 @@
 import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL;
 
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_FOLDER_OPEN;
-import static com.android.launcher3.testing.TestProtocol.TASKBAR_WINDOW_CRASH;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_NOTIFICATION_PANEL_EXPANDED;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_QUICK_SETTINGS_EXPANDED;
 import static com.android.systemui.shared.system.WindowManagerWrapper.ITYPE_BOTTOM_TAPPABLE_ELEMENT;
@@ -154,8 +153,8 @@
                 buttonController,
                 new NavbarButtonsViewController(this, navButtonsView),
                 new RotationButtonController(this,
-                        c.getColor(R.color.rotation_button_light_color),
-                        c.getColor(R.color.rotation_button_dark_color),
+                        c.getColor(R.color.taskbar_nav_icon_light_color),
+                        c.getColor(R.color.taskbar_nav_icon_dark_color),
                         R.drawable.ic_sysbar_rotate_button_ccw_start_0,
                         R.drawable.ic_sysbar_rotate_button_ccw_start_90,
                         R.drawable.ic_sysbar_rotate_button_cw_start_0,
@@ -207,7 +206,6 @@
         updateSysuiStateFlags(sharedState.sysuiStateFlags, true /* fromInit */);
 
         mWindowManager.addView(mDragLayer, mWindowLayoutParams);
-        Log.d(TASKBAR_WINDOW_CRASH, "Adding taskbar window");
     }
 
     public boolean isThreeButtonNav() {
@@ -354,7 +352,6 @@
         setUIController(TaskbarUIController.DEFAULT);
         mControllers.onDestroy();
         mWindowManager.removeViewImmediate(mDragLayer);
-        Log.d(TASKBAR_WINDOW_CRASH, "Removing taskbar window");
     }
 
     public void updateSysuiStateFlags(int systemUiStateFlags, boolean fromInit) {
@@ -408,6 +405,11 @@
         mControllers.rotationButtonController.onBehaviorChanged(displayId, behavior);
     }
 
+    public void onNavButtonsDarkIntensityChanged(float darkIntensity) {
+        mControllers.navbarButtonsViewController.getTaskbarNavButtonDarkIntensity()
+                .updateValue(darkIntensity);
+    }
+
     /**
      * Updates the TaskbarContainer to MATCH_PARENT vs original Taskbar size.
      */
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java
index a7c5d4d..e19b750 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java
@@ -19,6 +19,9 @@
 
 import com.android.systemui.shared.rotation.RotationButtonController;
 
+import java.util.ArrayList;
+import java.util.List;
+
 /**
  * Hosts various taskbar controllers to facilitate passing between one another.
  */
@@ -43,6 +46,9 @@
     /** Do not store this controller, as it may change at runtime. */
     @NonNull public TaskbarUIController uiController = TaskbarUIController.DEFAULT;
 
+    private boolean mAreAllControllersInitialized;
+    private final List<Runnable> mPostInitCallbacks = new ArrayList<>();
+
     public TaskbarControllers(TaskbarActivityContext taskbarActivityContext,
             TaskbarDragController taskbarDragController,
             TaskbarNavButtonController navButtonController,
@@ -81,6 +87,8 @@
      * in constructors for now, as some controllers may still be waiting for init().
      */
     public void init(TaskbarSharedState sharedState) {
+        mAreAllControllersInitialized = false;
+
         taskbarDragController.init(this);
         navbarButtonsViewController.init(this);
         rotationButtonController.init();
@@ -93,6 +101,12 @@
         taskbarStashController.init(this, sharedState);
         taskbarEduController.init(this);
         taskbarPopupController.init(this);
+
+        mAreAllControllersInitialized = true;
+        for (Runnable postInitCallback : mPostInitCallbacks) {
+            postInitCallback.run();
+        }
+        mPostInitCallbacks.clear();
     }
 
     /**
@@ -110,4 +124,17 @@
         taskbarAutohideSuspendController.onDestroy();
         taskbarPopupController.onDestroy();
     }
+
+    /**
+     * If all controllers are already initialized, runs the given callback immediately. Otherwise,
+     * queues it to run after calling init() on all controllers. This should likely be used in any
+     * case where one controller is telling another controller to do something inside init().
+     */
+    public void runAfterInit(Runnable callback) {
+        if (mAreAllControllersInitialized) {
+            callback.run();
+        } else {
+            mPostInitCallbacks.add(callback);
+        }
+    }
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
index 81039d4..806b390 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
@@ -44,6 +44,7 @@
     private final AnimatedFloat mKeyguardBgTaskbar = new AnimatedFloat(this::updateBackgroundAlpha);
     private final AnimatedFloat mNotificationShadeBgTaskbar = new AnimatedFloat(
             this::updateBackgroundAlpha);
+    private final AnimatedFloat mImeBgTaskbar = new AnimatedFloat(this::updateBackgroundAlpha);
     // Used to hide our background color when someone else (e.g. ScrimView) is handling it.
     private final AnimatedFloat mBgOverride = new AnimatedFloat(this::updateBackgroundAlpha);
 
@@ -52,6 +53,9 @@
 
     // Initialized in init.
     private TaskbarControllers mControllers;
+    private AnimatedFloat mNavButtonDarkIntensityMultiplier;
+
+    private float mLastSetBackgroundAlpha;
 
     public TaskbarDragLayerController(TaskbarActivityContext activity,
             TaskbarDragLayer taskbarDragLayer) {
@@ -65,9 +69,13 @@
         mControllers = controllers;
         mTaskbarDragLayer.init(new TaskbarDragLayerCallbacks());
 
+        mNavButtonDarkIntensityMultiplier = mControllers.navbarButtonsViewController
+                .getNavButtonDarkIntensityMultiplier();
+
         mBgTaskbar.value = 1;
         mKeyguardBgTaskbar.value = 1;
         mNotificationShadeBgTaskbar.value = 1;
+        mImeBgTaskbar.value = 1;
         mBgOverride.value = 1;
         updateBackgroundAlpha();
     }
@@ -102,6 +110,10 @@
         return mNotificationShadeBgTaskbar;
     }
 
+    public AnimatedFloat getImeBgTaskbar() {
+        return mImeBgTaskbar;
+    }
+
     public AnimatedFloat getOverrideBackgroundAlpha() {
         return mBgOverride;
     }
@@ -113,14 +125,23 @@
     private void updateBackgroundAlpha() {
         final float bgNavbar = mBgNavbar.value;
         final float bgTaskbar = mBgTaskbar.value * mKeyguardBgTaskbar.value
-                * mNotificationShadeBgTaskbar.value;
-        mTaskbarDragLayer.setTaskbarBackgroundAlpha(
-                mBgOverride.value * Math.max(bgNavbar, bgTaskbar)
-        );
+                * mNotificationShadeBgTaskbar.value * mImeBgTaskbar.value;
+        mLastSetBackgroundAlpha = mBgOverride.value * Math.max(bgNavbar, bgTaskbar);
+        mTaskbarDragLayer.setTaskbarBackgroundAlpha(mLastSetBackgroundAlpha);
+
+        updateNavBarDarkIntensityMultiplier();
     }
 
     private void updateBackgroundOffset() {
         mTaskbarDragLayer.setTaskbarBackgroundOffset(mBgOffset.value);
+
+        updateNavBarDarkIntensityMultiplier();
+    }
+
+    private void updateNavBarDarkIntensityMultiplier() {
+        // Zero out the app-requested dark intensity when we're drawing our own background.
+        float effectiveBgAlpha = mLastSetBackgroundAlpha * (1 - mBgOffset.value);
+        mNavButtonDarkIntensityMultiplier.updateValue(1 - effectiveBgAlpha);
     }
 
     /**
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
index 19fdca1..8a86157 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
@@ -19,7 +19,6 @@
 import static android.view.Display.DEFAULT_DISPLAY;
 import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL;
 
-import static com.android.launcher3.testing.TestProtocol.TASKBAR_WINDOW_CRASH;
 import static com.android.launcher3.util.DisplayController.CHANGE_ACTIVE_SCREEN;
 import static com.android.launcher3.util.DisplayController.CHANGE_DENSITY;
 import static com.android.launcher3.util.DisplayController.CHANGE_SUPPORTED_BOUNDS;
@@ -43,7 +42,6 @@
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.statemanager.StatefulActivity;
-import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.util.DisplayController;
 import com.android.launcher3.util.DisplayController.Info;
 import com.android.launcher3.util.SettingsCache;
@@ -211,8 +209,6 @@
     }
 
     private void recreateTaskbar() {
-        Log.d(TASKBAR_WINDOW_CRASH, "Recreating taskbar: mTaskbarActivityContext="
-                + mTaskbarActivityContext);
         destroyExistingTaskbar();
 
         DeviceProfile dp =
@@ -235,7 +231,6 @@
             mTaskbarActivityContext.setUIController(
                     createTaskbarUIControllerForActivity(mActivity));
         }
-        Log.d(TASKBAR_WINDOW_CRASH, "Finished recreating taskbar");
     }
 
     public void onSystemUiFlagsChanged(int systemUiStateFlags) {
@@ -273,6 +268,12 @@
         }
     }
 
+    public void onNavButtonsDarkIntensityChanged(float darkIntensity) {
+        if (mTaskbarActivityContext != null) {
+            mTaskbarActivityContext.onNavButtonsDarkIntensityChanged(darkIntensity);
+        }
+    }
+
     /**
      * Called when the manager is no longer needed
      */
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarModelCallbacks.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarModelCallbacks.java
index 6dcfe56..37a9b5e 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarModelCallbacks.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarModelCallbacks.java
@@ -184,9 +184,12 @@
         }
         mContainer.updateHotseatItems(hotseatItemInfos);
 
-        mControllers.taskbarStashController.updateStateForFlag(
-                TaskbarStashController.FLAG_STASHED_IN_APP_EMPTY, isHotseatEmpty);
-        mControllers.taskbarStashController.applyState();
+        final boolean finalIsHotseatEmpty = isHotseatEmpty;
+        mControllers.runAfterInit(() -> {
+            mControllers.taskbarStashController.updateStateForFlag(
+                    TaskbarStashController.FLAG_STASHED_IN_APP_EMPTY, finalIsHotseatEmpty);
+            mControllers.taskbarStashController.applyState();
+        });
     }
 
     @Override
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarNavButtonController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarNavButtonController.java
index a8a0b59..ae23eda 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarNavButtonController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarNavButtonController.java
@@ -16,9 +16,11 @@
 
 package com.android.launcher3.taskbar;
 
-import static android.view.Display.DEFAULT_DISPLAY;
 
-import android.view.inputmethod.InputMethodManager;
+import static com.android.internal.app.AssistUtils.INVOCATION_TYPE_HOME_BUTTON_LONG_PRESS;
+import static com.android.internal.app.AssistUtils.INVOCATION_TYPE_KEY;
+
+import android.os.Bundle;
 
 import androidx.annotation.IntDef;
 
@@ -35,11 +37,9 @@
  * Controller for 3 button mode in the taskbar.
  * Handles all the functionality of the various buttons, making/routing the right calls into
  * launcher or sysui/system.
- *
- * TODO: Create callbacks to hook into UI layer since state will change for more context buttons/
- *       assistant invocation.
  */
 public class TaskbarNavButtonController {
+
     @Retention(RetentionPolicy.SOURCE)
     @IntDef(value = {
             BUTTON_BACK,
@@ -47,7 +47,6 @@
             BUTTON_RECENTS,
             BUTTON_IME_SWITCH,
             BUTTON_A11Y,
-            BUTTON_A11Y_LONG_CLICK
     })
 
     public @interface TaskbarButton {}
@@ -57,7 +56,6 @@
     static final int BUTTON_RECENTS = BUTTON_HOME << 1;
     static final int BUTTON_IME_SWITCH = BUTTON_RECENTS << 1;
     static final int BUTTON_A11Y = BUTTON_IME_SWITCH << 1;
-    static final int BUTTON_A11Y_LONG_CLICK = BUTTON_A11Y << 1;
 
     private final TouchInteractionService mService;
 
@@ -82,9 +80,22 @@
             case BUTTON_A11Y:
                 notifyImeClick(false /* longClick */);
                 break;
-            case BUTTON_A11Y_LONG_CLICK:
+        }
+    }
+
+    public boolean onButtonLongClick(@TaskbarButton int buttonType) {
+        switch (buttonType) {
+            case BUTTON_HOME:
+                startAssistant();
+                return true;
+            case BUTTON_A11Y:
                 notifyImeClick(true /* longClick */);
-                break;
+                return true;
+            case BUTTON_BACK:
+            case BUTTON_IME_SWITCH:
+            case BUTTON_RECENTS:
+            default:
+                return false;
         }
     }
 
@@ -113,4 +124,11 @@
             systemUiProxy.notifyAccessibilityButtonClicked(mService.getDisplayId());
         }
     }
+
+    private void startAssistant() {
+        Bundle args = new Bundle();
+        args.putInt(INVOCATION_TYPE_KEY, INVOCATION_TYPE_HOME_BUTTON_LONG_PRESS);
+        SystemUiProxy systemUiProxy = SystemUiProxy.INSTANCE.getNoCreate();
+        systemUiProxy.startAssistant(args);
+    }
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
index acb4aa8..8965dc4 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
@@ -19,6 +19,7 @@
 
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TASKBAR_LONGPRESS_HIDE;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TASKBAR_LONGPRESS_SHOW;
+import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_IME_SHOWING;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_SCREEN_PINNING;
 
 import android.animation.Animator;
@@ -48,11 +49,13 @@
     public static final int FLAG_STASHED_IN_APP_PINNED = 1 << 2; // app pinning
     public static final int FLAG_STASHED_IN_APP_EMPTY = 1 << 3; // no hotseat icons
     public static final int FLAG_STASHED_IN_APP_SETUP = 1 << 4; // setup wizard and AllSetActivity
-    public static final int FLAG_IN_STASHED_LAUNCHER_STATE = 1 << 5;
+    public static final int FLAG_STASHED_IN_APP_IME = 1 << 5; // IME is visible
+    public static final int FLAG_IN_STASHED_LAUNCHER_STATE = 1 << 6;
 
     // If we're in an app and any of these flags are enabled, taskbar should be stashed.
     public static final int FLAGS_STASHED_IN_APP = FLAG_STASHED_IN_APP_MANUAL
-            | FLAG_STASHED_IN_APP_PINNED | FLAG_STASHED_IN_APP_EMPTY | FLAG_STASHED_IN_APP_SETUP;
+            | FLAG_STASHED_IN_APP_PINNED | FLAG_STASHED_IN_APP_EMPTY | FLAG_STASHED_IN_APP_SETUP
+            | FLAG_STASHED_IN_APP_IME;
 
     /**
      * How long to stash/unstash when manually invoked via long press.
@@ -60,6 +63,11 @@
     public static final long TASKBAR_STASH_DURATION = 300;
 
     /**
+     * How long to stash/unstash when keyboard is appearing/disappearing.
+     */
+    private static final long TASKBAR_STASH_DURATION_FOR_IME = 80;
+
+    /**
      * The scale TaskbarView animates to when being stashed.
      */
     private static final float STASHED_TASKBAR_SCALE = 0.5f;
@@ -100,6 +108,7 @@
     private TaskbarControllers mControllers;
     // Taskbar background properties.
     private AnimatedFloat mTaskbarBackgroundOffset;
+    private AnimatedFloat mTaskbarImeBgAlpha;
     // TaskbarView icon properties.
     private AlphaProperty mIconAlphaForStash;
     private AnimatedFloat mIconScaleForStash;
@@ -113,6 +122,8 @@
     private int mState;
 
     private @Nullable AnimatorSet mAnimator;
+    private boolean mIsSystemGestureInProgress;
+    private boolean mIsImeShowing;
 
     // Evaluate whether the handle should be stashed
     private final StatePropertyHolder mStatePropertyHolder = new StatePropertyHolder(
@@ -137,6 +148,7 @@
 
         TaskbarDragLayerController dragLayerController = controllers.taskbarDragLayerController;
         mTaskbarBackgroundOffset = dragLayerController.getTaskbarBackgroundOffset();
+        mTaskbarImeBgAlpha = dragLayerController.getImeBgTaskbar();
 
         TaskbarViewController taskbarViewController = controllers.taskbarViewController;
         mIconAlphaForStash = taskbarViewController.getTaskbarIconAlpha().getProperty(
@@ -271,17 +283,27 @@
      * Create a stash animation and save to {@link #mAnimator}.
      * @param isStashed whether it's a stash animation or an unstash animation
      * @param duration duration of the animation
+     * @param startDelay how many milliseconds to delay the animation after starting it.
      */
-    private void createAnimToIsStashed(boolean isStashed, long duration) {
+    private void createAnimToIsStashed(boolean isStashed, long duration, long startDelay) {
         if (mAnimator != null) {
             mAnimator.cancel();
         }
         mAnimator = new AnimatorSet();
 
         if (!supportsVisualStashing()) {
-            // Just hide/show the icons instead of stashing into a handle.
+            // Just hide/show the icons and background instead of stashing into a handle.
             mAnimator.play(mIconAlphaForStash.animateToValue(isStashed ? 0 : 1)
                     .setDuration(duration));
+            mAnimator.play(mTaskbarImeBgAlpha.animateToValue(
+                    hasAnyFlag(FLAG_STASHED_IN_APP_IME) ? 0 : 1).setDuration(duration));
+            mAnimator.setStartDelay(startDelay);
+            mAnimator.addListener(new AnimatorListenerAdapter() {
+                @Override
+                public void onAnimationEnd(Animator animation) {
+                    mAnimator = null;
+                }
+            });
             return;
         }
 
@@ -326,11 +348,8 @@
             );
         }
 
-        Animator stashedHandleRevealAnim = mControllers.stashedHandleViewController
-                .createRevealAnimToIsStashed(isStashed);
-        if (stashedHandleRevealAnim != null) {
-            fullLengthAnimatorSet.play(stashedHandleRevealAnim);
-        }
+        fullLengthAnimatorSet.play(mControllers.stashedHandleViewController
+                .createRevealAnimToIsStashed(isStashed));
         // Return the stashed handle to its default scale in case it was changed as part of the
         // feedforward hint. Note that the reveal animation above also visually scales it.
         fullLengthAnimatorSet.play(mTaskbarStashedHandleHintScale.animateToValue(1f));
@@ -342,6 +361,7 @@
 
         mAnimator.playTogether(fullLengthAnimatorSet, firstHalfAnimatorSet,
                 secondHalfAnimatorSet);
+        mAnimator.setStartDelay(startDelay);
         mAnimator.addListener(new AnimatorListenerAdapter() {
             @Override
             public void onAnimationStart(Animator animation) {
@@ -400,6 +420,10 @@
         mStatePropertyHolder.setState(mState, duration, true);
     }
 
+    public void applyState(long duration, long startDelay) {
+        mStatePropertyHolder.setState(mState, duration, startDelay, true);
+    }
+
     public Animator applyStateWithoutStart() {
         return applyStateWithoutStart(TASKBAR_STASH_DURATION);
     }
@@ -408,11 +432,50 @@
         return mStatePropertyHolder.setState(mState, duration, false);
     }
 
+    /**
+     * Should be called when a system gesture starts and settles, so we can defer updating
+     * FLAG_STASHED_IN_APP_IME until after the gesture transition completes.
+     */
+    public void setSystemGestureInProgress(boolean inProgress) {
+        mIsSystemGestureInProgress = inProgress;
+        // Only update FLAG_STASHED_IN_APP_IME when system gesture is not in progress.
+        if (!mIsSystemGestureInProgress) {
+            updateStateForFlag(FLAG_STASHED_IN_APP_IME, mIsImeShowing);
+            applyState(TASKBAR_STASH_DURATION_FOR_IME, getTaskbarStashStartDelayForIme());
+        }
+    }
+
+    /**
+     * When hiding the IME, delay the unstash animation to align with the end of the transition.
+     */
+    private long getTaskbarStashStartDelayForIme() {
+        if (mIsImeShowing) {
+            // Only delay when IME is exiting, not entering.
+            return 0;
+        }
+        // This duration is based on input_method_extract_exit.xml.
+        long imeExitDuration = mControllers.taskbarActivityContext.getResources()
+                .getInteger(android.R.integer.config_shortAnimTime);
+        return imeExitDuration - TASKBAR_STASH_DURATION_FOR_IME;
+    }
+
     /** Called when some system ui state has changed. (See SYSUI_STATE_... in QuickstepContract) */
     public void updateStateForSysuiFlags(int systemUiStateFlags, boolean skipAnim) {
+        long animDuration = TASKBAR_STASH_DURATION;
+        long startDelay = 0;
+
         updateStateForFlag(FLAG_STASHED_IN_APP_PINNED,
                 hasAnyFlag(systemUiStateFlags, SYSUI_STATE_SCREEN_PINNING));
-        applyState(skipAnim ? 0 : TASKBAR_STASH_DURATION);
+
+        // Only update FLAG_STASHED_IN_APP_IME when system gesture is not in progress.
+        mIsImeShowing = hasAnyFlag(systemUiStateFlags, SYSUI_STATE_IME_SHOWING);
+        if (!mIsSystemGestureInProgress) {
+            updateStateForFlag(FLAG_STASHED_IN_APP_IME, mIsImeShowing);
+            animDuration = TASKBAR_STASH_DURATION_FOR_IME;
+            startDelay = getTaskbarStashStartDelayForIme();
+        }
+
+        applyState(skipAnim ? 0 : animDuration, skipAnim ? 0 : startDelay);
     }
 
     /**
@@ -468,16 +531,34 @@
             mStashCondition = stashCondition;
         }
 
+        /**
+         * @see #setState(int, long, long, boolean) with a default startDelay = 0.
+         */
         public Animator setState(int flags, long duration, boolean start) {
+            return setState(flags, duration, 0 /* startDelay */, start);
+        }
+
+        /**
+         * Applies the latest state, potentially calling onStateChangeApplied() and creating a new
+         * animation (stored in mAnimator) which is started if {@param start} is true.
+         * @param flags The latest flags to apply (see the top of this file).
+         * @param duration The length of the animation.
+         * @param startDelay How long to delay the animation after calling start().
+         * @param start Whether to start mAnimator immediately.
+         * @return mAnimator if mIsStashed changed, else null.
+         */
+        public Animator setState(int flags, long duration, long startDelay, boolean start) {
+            int changedFlags = mPrevFlags ^ flags;
             if (mPrevFlags != flags) {
-                int changedFlags = mPrevFlags ^ flags;
                 onStateChangeApplied(changedFlags);
                 mPrevFlags = flags;
             }
             boolean isStashed = mStashCondition.test(flags);
             if (mIsStashed != isStashed) {
                 mIsStashed = isStashed;
-                createAnimToIsStashed(mIsStashed, duration);
+
+                // This sets mAnimator.
+                createAnimToIsStashed(mIsStashed, duration, startDelay);
                 if (start) {
                     mAnimator.start();
                 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java
index d8360e0..f713dca 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java
@@ -16,6 +16,7 @@
 package com.android.launcher3.taskbar;
 
 import android.graphics.Rect;
+import android.view.View;
 
 import com.android.launcher3.model.data.ItemInfoWithIcon;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
@@ -29,7 +30,12 @@
 
     public static final TaskbarUIController DEFAULT = new TaskbarUIController();
 
-    protected void init(TaskbarControllers taskbarControllers) { }
+    // Initialized in init.
+    protected TaskbarControllers mControllers;
+
+    protected void init(TaskbarControllers taskbarControllers) {
+        mControllers = taskbarControllers;
+    }
 
     protected void onDestroy() { }
 
@@ -46,4 +52,16 @@
     }
 
     public void onTaskbarIconLaunched(WorkspaceItemInfo item) { }
+
+    public View getRootView() {
+        return mControllers.taskbarActivityContext.getDragLayer();
+    }
+
+    /**
+     * Called when swiping from the bottom nav region in fully gestural mode.
+     * @param inProgress True if the animation started, false if we just settled on an end target.
+     */
+    public void setSystemGestureInProgress(boolean inProgress) {
+        mControllers.taskbarStashController.setSystemGestureInProgress(inProgress);
+    }
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
index 96eac51..a4d899c 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
@@ -46,12 +46,11 @@
     private static final Runnable NO_OP = () -> { };
 
     public static final int ALPHA_INDEX_HOME = 0;
-    public static final int ALPHA_INDEX_IME = 1;
-    public static final int ALPHA_INDEX_KEYGUARD = 2;
-    public static final int ALPHA_INDEX_STASH = 3;
-    public static final int ALPHA_INDEX_RECENTS_DISABLED = 4;
-    public static final int ALPHA_INDEX_NOTIFICATION_EXPANDED = 5;
-    private static final int NUM_ALPHA_CHANNELS = 6;
+    public static final int ALPHA_INDEX_KEYGUARD = 1;
+    public static final int ALPHA_INDEX_STASH = 2;
+    public static final int ALPHA_INDEX_RECENTS_DISABLED = 3;
+    public static final int ALPHA_INDEX_NOTIFICATION_EXPANDED = 4;
+    private static final int NUM_ALPHA_CHANNELS = 5;
 
     private final TaskbarActivityContext mActivity;
     private final TaskbarView mTaskbarView;
diff --git a/quickstep/src/com/android/launcher3/uioverrides/BaseRecentsViewStateController.java b/quickstep/src/com/android/launcher3/uioverrides/BaseRecentsViewStateController.java
index 2fa8b07..c85b256 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/BaseRecentsViewStateController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/BaseRecentsViewStateController.java
@@ -16,7 +16,6 @@
 
 package com.android.launcher3.uioverrides;
 
-import static com.android.launcher3.LauncherState.OVERVIEW_SPLIT_SELECT;
 import static com.android.launcher3.anim.Interpolators.AGGRESSIVE_EASE_IN_OUT;
 import static com.android.launcher3.anim.Interpolators.FINAL_FRAME;
 import static com.android.launcher3.anim.Interpolators.INSTANT;
@@ -35,6 +34,7 @@
 import static com.android.quickstep.views.RecentsView.TASK_SECONDARY_TRANSLATION;
 
 import android.util.FloatProperty;
+import android.util.Pair;
 
 import androidx.annotation.NonNull;
 
@@ -73,8 +73,6 @@
         getTaskModalnessProperty().set(mRecentsView, state.getOverviewModalness());
         RECENTS_GRID_PROGRESS.set(mRecentsView,
                 state.displayOverviewTasksAsGrid(mLauncher.getDeviceProfile()) ? 1f : 0f);
-
-        applySplitScrollOffset(state);
     }
 
     @Override
@@ -104,11 +102,13 @@
                 config.getInterpolator(ANIM_OVERVIEW_TRANSLATE_Y, LINEAR));
         PagedOrientationHandler orientationHandler =
                 ((RecentsView) mLauncher.getOverviewPanel()).getPagedOrientationHandler();
-        FloatProperty taskViewsFloat = orientationHandler.getSplitSelectTaskOffset(
-                TASK_PRIMARY_SPLIT_TRANSLATION, TASK_SECONDARY_SPLIT_TRANSLATION,
-                mLauncher.getDeviceProfile());
-        setter.setFloat(mRecentsView, taskViewsFloat,
+        Pair<FloatProperty, FloatProperty> taskViewsFloat =
+                orientationHandler.getSplitSelectTaskOffset(
+                        TASK_PRIMARY_SPLIT_TRANSLATION, TASK_SECONDARY_SPLIT_TRANSLATION,
+                        mLauncher.getDeviceProfile());
+        setter.setFloat(mRecentsView, taskViewsFloat.first,
                 toState.getSplitSelectTranslation(mLauncher), LINEAR);
+        setter.setFloat(mRecentsView, taskViewsFloat.second, 0, LINEAR);
 
         setter.setFloat(mRecentsView, getContentAlphaProperty(), toState.overviewUi ? 1 : 0,
                 config.getInterpolator(ANIM_OVERVIEW_FADE, AGGRESSIVE_EASE_IN_OUT));
@@ -120,16 +120,6 @@
         boolean showAsGrid = toState.displayOverviewTasksAsGrid(mLauncher.getDeviceProfile());
         setter.setFloat(mRecentsView, RECENTS_GRID_PROGRESS, showAsGrid ? 1f : 0f,
                 showAsGrid ? INSTANT : FINAL_FRAME);
-
-        applySplitScrollOffset(toState);
-    }
-
-    private void applySplitScrollOffset(@NonNull final LauncherState state) {
-        if (state == OVERVIEW_SPLIT_SELECT) {
-            mRecentsView.applySplitPrimaryScrollOffset();
-        } else {
-            mRecentsView.resetSplitPrimaryScrollOffset();
-        }
     }
 
     abstract FloatProperty getTaskModalnessProperty();
diff --git a/quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java b/quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java
index 1f744e1..b21d677 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java
@@ -63,6 +63,9 @@
         }
         setAlphas(PropertySetter.NO_ANIM_PROPERTY_SETTER, new StateAnimationConfig(), state);
         mRecentsView.setFullscreenProgress(state.getOverviewFullscreenProgress());
+        // In Overview, we may be layering app surfaces behind Launcher, so we need to notify
+        // DepthController to prevent optimizations which might occlude the layers behind
+        mLauncher.getDepthController().setHasContentBehindLauncher(state.overviewUi);
     }
 
     @Override
@@ -78,13 +81,19 @@
             builder.addListener(
                     AnimatorListeners.forSuccessCallback(mRecentsView::resetTaskVisuals));
         }
+        // In Overview, we may be layering app surfaces behind Launcher, so we need to notify
+        // DepthController to prevent optimizations which might occlude the layers behind
+        builder.addListener(AnimatorListeners.forSuccessCallback(() ->
+                mLauncher.getDepthController().setHasContentBehindLauncher(toState.overviewUi)));
 
         // Create or dismiss split screen select animations
         LauncherState currentState = mLauncher.getStateManager().getState();
         if (isSplitSelectionState(toState) && !isSplitSelectionState(currentState)) {
             builder.add(mRecentsView.createSplitSelectInitAnimation().buildAnim());
+            mRecentsView.applySplitPrimaryScrollOffset();
         } else if (!isSplitSelectionState(toState) && isSplitSelectionState(currentState)) {
             builder.add(mRecentsView.cancelSplitSelect(true).buildAnim());
+            mRecentsView.resetSplitPrimaryScrollOffset();
         }
 
         setAlphas(builder, config, toState);
diff --git a/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java b/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java
index d396018..a4eff87 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java
@@ -21,13 +21,11 @@
 import android.content.Context;
 import android.graphics.Rect;
 import android.os.SystemProperties;
-import android.view.View;
 
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.R;
-import com.android.launcher3.Workspace;
 import com.android.launcher3.util.Themes;
 import com.android.quickstep.SysUINavigationMode;
 import com.android.quickstep.util.LayoutUtils;
@@ -66,10 +64,7 @@
     @Override
     public ScaleAndTranslation getWorkspaceScaleAndTranslation(Launcher launcher) {
         RecentsView recentsView = launcher.getOverviewPanel();
-        Workspace workspace = launcher.getWorkspace();
-        View workspacePage = workspace.getPageAt(workspace.getCurrentPage());
-        float workspacePageWidth = workspacePage != null && workspacePage.getWidth() != 0
-                ? workspacePage.getWidth() : launcher.getDeviceProfile().availableWidthPx;
+        float workspacePageWidth = launcher.getDeviceProfile().getWorkspaceWidth();
         recentsView.getTaskSize(sTempRect);
         float scale = (float) sTempRect.width() / workspacePageWidth;
         float parallaxFactor = 0.5f;
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index 45b2081..c9cbba1 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -121,8 +121,8 @@
 import com.android.systemui.shared.system.TaskStackChangeListeners;
 
 import java.util.ArrayList;
-import java.util.HashMap;
 import java.util.Arrays;
+import java.util.HashMap;
 import java.util.function.Consumer;
 
 /**
@@ -687,14 +687,17 @@
     }
 
     private void onAnimatorPlaybackControllerCreated(AnimatorControllerWithResistance anim) {
+        boolean isFirstCreation = mLauncherTransitionController == null;
         mLauncherTransitionController = anim;
-        mStateCallback.runOnceAtState(STATE_GESTURE_STARTED, () -> {
-            // Wait until the gesture is started (touch slop was passed) to start in sync with
-            // mWindowTransitionController. This ensures we don't hide the taskbar background when
-            // long pressing to stash it, for instance.
-            mLauncherTransitionController.getNormalController().dispatchOnStart();
-            updateLauncherTransitionProgress();
-        });
+        if (isFirstCreation) {
+            mStateCallback.runOnceAtState(STATE_GESTURE_STARTED, () -> {
+                // Wait until the gesture is started (touch slop was passed) to start in sync with
+                // mWindowTransitionController. This ensures we don't hide the taskbar background
+                // when long pressing to stash it, for instance.
+                mLauncherTransitionController.getNormalController().dispatchOnStart();
+                updateLauncherTransitionProgress();
+            });
+        }
     }
 
     public Intent getLaunchIntent() {
diff --git a/quickstep/src/com/android/quickstep/BaseActivityInterface.java b/quickstep/src/com/android/quickstep/BaseActivityInterface.java
index e15aa92..a566765 100644
--- a/quickstep/src/com/android/quickstep/BaseActivityInterface.java
+++ b/quickstep/src/com/android/quickstep/BaseActivityInterface.java
@@ -30,6 +30,7 @@
 import static com.android.quickstep.views.RecentsView.TASK_SECONDARY_TRANSLATION;
 
 import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
 import android.animation.ObjectAnimator;
 import android.annotation.TargetApi;
 import android.content.Context;
@@ -398,6 +399,11 @@
      * (This is a hack to ensure Taskbar draws its background first to avoid flickering.)
      */
     public @Nullable View onSettledOnEndTarget(GestureState.GestureEndTarget endTarget) {
+        TaskbarUIController taskbarUIController = getTaskbarController();
+        if (taskbarUIController != null) {
+            taskbarUIController.setSystemGestureInProgress(false);
+            return taskbarUIController.getRootView();
+        }
         return null;
     }
 
@@ -533,6 +539,16 @@
             pa.addFloat(recentsView, RECENTS_SCALE_PROPERTY,
                     recentsView.getMaxScaleForFullScreen(), 1, LINEAR);
             pa.addFloat(recentsView, FULLSCREEN_PROGRESS, 1, 0, LINEAR);
+
+            pa.addListener(new AnimatorListenerAdapter() {
+                @Override
+                public void onAnimationStart(Animator animation) {
+                    TaskbarUIController taskbarUIController = getTaskbarController();
+                    if (taskbarUIController != null) {
+                        taskbarUIController.setSystemGestureInProgress(true);
+                    }
+                }
+            });
         }
     }
 }
diff --git a/quickstep/src/com/android/quickstep/KtR.java b/quickstep/src/com/android/quickstep/KtR.java
index 57dad08..a768ef5 100644
--- a/quickstep/src/com/android/quickstep/KtR.java
+++ b/quickstep/src/com/android/quickstep/KtR.java
@@ -30,6 +30,7 @@
 
     public static final class dimen {
         public static int task_menu_spacing = R.dimen.task_menu_spacing;
+        public static int task_menu_horizontal_padding = R.dimen.task_menu_horizontal_padding;
     }
 
     public static final class layout {
diff --git a/quickstep/src/com/android/quickstep/LauncherActivityInterface.java b/quickstep/src/com/android/quickstep/LauncherActivityInterface.java
index aa9435b..719c2ae 100644
--- a/quickstep/src/com/android/quickstep/LauncherActivityInterface.java
+++ b/quickstep/src/com/android/quickstep/LauncherActivityInterface.java
@@ -25,12 +25,10 @@
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 
 import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
 import android.content.Context;
 import android.graphics.Rect;
 import android.view.MotionEvent;
-import android.view.View;
 
 import androidx.annotation.Nullable;
 import androidx.annotation.UiThread;
@@ -132,19 +130,6 @@
                 pa.addFloat(getDepthController(),
                         new ClampedDepthProperty(fromDepthRatio, toDepthRatio),
                         fromDepthRatio, toDepthRatio, LINEAR);
-
-                pa.addListener(new AnimatorListenerAdapter() {
-                    @Override
-                    public void onAnimationStart(Animator animation) {
-                        LauncherTaskbarUIController taskbarUIController =
-                                activity.getTaskbarUIController();
-                        if (taskbarUIController != null) {
-                            // Launcher's ScrimView will draw the background throughout the gesture.
-                            taskbarUIController.forceHideBackground(true);
-                        }
-                    }
-                });
-
             }
         };
 
@@ -366,16 +351,4 @@
                 return NORMAL;
         }
     }
-
-    @Override
-    public View onSettledOnEndTarget(@Nullable GestureEndTarget endTarget) {
-        View superRet = super.onSettledOnEndTarget(endTarget);
-        LauncherTaskbarUIController taskbarUIController = getTaskbarController();
-        if (taskbarUIController != null) {
-            // Start drawing taskbar's background again since launcher might stop drawing.
-            taskbarUIController.forceHideBackground(false);
-            return taskbarUIController.getRootView();
-        }
-        return superRet;
-    }
 }
diff --git a/quickstep/src/com/android/quickstep/RecentTasksList.java b/quickstep/src/com/android/quickstep/RecentTasksList.java
index c5f4a53..097850f 100644
--- a/quickstep/src/com/android/quickstep/RecentTasksList.java
+++ b/quickstep/src/com/android/quickstep/RecentTasksList.java
@@ -36,6 +36,7 @@
 import com.android.wm.shell.util.GroupedRecentTaskInfo;
 import com.android.wm.shell.util.StagedSplitBounds;
 
+import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.function.Consumer;
@@ -219,6 +220,26 @@
         return newTasks;
     }
 
+    public void dump(String prefix, PrintWriter writer) {
+        writer.println(prefix + "RecentTasksList:");
+        writer.println(prefix + "  mChangeId=" + mChangeId);
+        writer.println(prefix + "  mResultsUi=[id=" + mResultsUi.mRequestId + ", tasks=");
+        for (GroupTask task : mResultsUi) {
+            writer.println(prefix + "    t1=" + task.task1.key.id
+                    + " t2=" + (task.hasMultipleTasks() ? task.task2.key.id : "-1"));
+        }
+        writer.println(prefix + "  ]");
+        int currentUserId = Process.myUserHandle().getIdentifier();
+        ArrayList<GroupedRecentTaskInfo> rawTasks =
+                mSysUiProxy.getRecentTasks(Integer.MAX_VALUE, currentUserId);
+        writer.println(prefix + "  rawTasks=[");
+        for (GroupedRecentTaskInfo task : rawTasks) {
+            writer.println(prefix + "    t1=" + task.mTaskInfo1.taskId
+                    + " t2=" + (task.mTaskInfo2 != null ? task.mTaskInfo2.taskId : "-1"));
+        }
+        writer.println(prefix + "  ]");
+    }
+
     private static class TaskLoadResult extends ArrayList<GroupTask> {
 
         final int mRequestId;
diff --git a/quickstep/src/com/android/quickstep/RecentsActivity.java b/quickstep/src/com/android/quickstep/RecentsActivity.java
index 09a0b7d..d6efc71 100644
--- a/quickstep/src/com/android/quickstep/RecentsActivity.java
+++ b/quickstep/src/com/android/quickstep/RecentsActivity.java
@@ -128,7 +128,8 @@
         SYSUI_PROGRESS.set(getRootView().getSysUiScrim(), 0f);
 
         SplitSelectStateController controller =
-                new SplitSelectStateController(mHandler, SystemUiProxy.INSTANCE.get(this));
+                new SplitSelectStateController(mHandler, SystemUiProxy.INSTANCE.get(this),
+                        getStateManager(), null /*depthController*/);
         mDragLayer.recreateControllers();
         mFallbackRecentsView.init(mActionsView, controller);
 
diff --git a/quickstep/src/com/android/quickstep/RecentsModel.java b/quickstep/src/com/android/quickstep/RecentsModel.java
index ac97dd6..5d77a6e 100644
--- a/quickstep/src/com/android/quickstep/RecentsModel.java
+++ b/quickstep/src/com/android/quickstep/RecentsModel.java
@@ -24,6 +24,7 @@
 import android.app.ActivityManager;
 import android.content.ComponentCallbacks2;
 import android.content.Context;
+import android.content.Intent;
 import android.os.Build;
 import android.os.Process;
 import android.os.UserHandle;
@@ -42,6 +43,7 @@
 import com.android.systemui.shared.system.TaskStackChangeListener;
 import com.android.systemui.shared.system.TaskStackChangeListeners;
 
+import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.Executor;
@@ -176,7 +178,7 @@
 
     @Override
     public void onTaskRemoved(int taskId) {
-        Task.TaskKey stubKey = new Task.TaskKey(taskId, 0, null, null, 0, 0);
+        Task.TaskKey stubKey = new Task.TaskKey(taskId, 0, new Intent(), null, 0, 0);
         mThumbnailCache.remove(stubKey);
         mIconCache.onTaskRemoved(stubKey);
     }
@@ -219,6 +221,11 @@
         mThumbnailChangeListeners.remove(listener);
     }
 
+    public void dump(String prefix, PrintWriter writer) {
+        writer.println(prefix + "RecentsModel:");
+        mTaskList.dump("  ", writer);
+    }
+
     /**
      * Listener for receiving various task properties changes
      */
diff --git a/quickstep/src/com/android/quickstep/SystemUiProxy.java b/quickstep/src/com/android/quickstep/SystemUiProxy.java
index 4239739..2543e6c 100644
--- a/quickstep/src/com/android/quickstep/SystemUiProxy.java
+++ b/quickstep/src/com/android/quickstep/SystemUiProxy.java
@@ -39,7 +39,6 @@
 import android.view.RemoteAnimationTarget;
 import android.view.SurfaceControl;
 
-import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.util.MainThreadInitializedObject;
 import com.android.launcher3.util.SplitConfigurationOptions;
 import com.android.systemui.shared.recents.ISystemUiProxy;
@@ -52,12 +51,12 @@
 import com.android.wm.shell.pip.IPipAnimationListener;
 import com.android.wm.shell.recents.IRecentTasks;
 import com.android.wm.shell.recents.IRecentTasksListener;
-import com.android.wm.shell.util.GroupedRecentTaskInfo;
 import com.android.wm.shell.splitscreen.ISplitScreen;
 import com.android.wm.shell.splitscreen.ISplitScreenListener;
 import com.android.wm.shell.startingsurface.IStartingWindow;
 import com.android.wm.shell.startingsurface.IStartingWindowListener;
 import com.android.wm.shell.transition.IShellTransitions;
+import com.android.wm.shell.util.GroupedRecentTaskInfo;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -84,14 +83,16 @@
         MAIN_EXECUTOR.execute(() -> clearProxy());
     };
 
-    // Save the listeners passed into the proxy since when set/register these listeners,
-    // setProxy may not have been called, eg. OverviewProxyService is not connected yet.
-    private IPipAnimationListener mPendingPipAnimationListener;
-    private ISplitScreenListener mPendingSplitScreenListener;
-    private IStartingWindowListener mPendingStartingWindowListener;
-    private ISmartspaceCallback mPendingSmartspaceCallback;
-    private IRecentTasksListener mPendingRecentTasksListener;
-    private final ArrayList<RemoteTransitionCompat> mPendingRemoteTransitions = new ArrayList<>();
+    // Save the listeners passed into the proxy since OverviewProxyService may not have been bound
+    // yet, and we'll need to set/register these listeners with SysUI when they do.  Note that it is
+    // up to the caller to clear the listeners to prevent leaks as these can be held indefinitely
+    // in case SysUI needs to rebind.
+    private IPipAnimationListener mPipAnimationListener;
+    private ISplitScreenListener mSplitScreenListener;
+    private IStartingWindowListener mStartingWindowListener;
+    private ISmartspaceCallback mSmartspaceCallback;
+    private IRecentTasksListener mRecentTasksListener;
+    private final ArrayList<RemoteTransitionCompat> mRemoteTransitions = new ArrayList<>();
 
     // Used to dedupe calls to SystemUI
     private int mLastShelfHeight;
@@ -168,29 +169,23 @@
         mRecentTasks = recentTasks;
         linkToDeath();
         // re-attach the listeners once missing due to setProxy has not been initialized yet.
-        if (mPendingPipAnimationListener != null && mPip != null) {
-            setPinnedStackAnimationListener(mPendingPipAnimationListener);
-            mPendingPipAnimationListener = null;
+        if (mPipAnimationListener != null && mPip != null) {
+            setPinnedStackAnimationListener(mPipAnimationListener);
         }
-        if (mPendingSplitScreenListener != null && mSplitScreen != null) {
-            registerSplitScreenListener(mPendingSplitScreenListener);
-            mPendingSplitScreenListener = null;
+        if (mSplitScreenListener != null && mSplitScreen != null) {
+            registerSplitScreenListener(mSplitScreenListener);
         }
-        if (mPendingStartingWindowListener != null && mStartingWindow != null) {
-            setStartingWindowListener(mPendingStartingWindowListener);
-            mPendingStartingWindowListener = null;
+        if (mStartingWindowListener != null && mStartingWindow != null) {
+            setStartingWindowListener(mStartingWindowListener);
         }
-        if (mPendingSmartspaceCallback != null && mSmartspaceTransitionController != null) {
-            setSmartspaceCallback(mPendingSmartspaceCallback);
-            mPendingSmartspaceCallback = null;
+        if (mSmartspaceCallback != null && mSmartspaceTransitionController != null) {
+            setSmartspaceCallback(mSmartspaceCallback);
         }
-        for (int i = mPendingRemoteTransitions.size() - 1; i >= 0; --i) {
-            registerRemoteTransition(mPendingRemoteTransitions.get(i));
+        for (int i = mRemoteTransitions.size() - 1; i >= 0; --i) {
+            registerRemoteTransition(mRemoteTransitions.get(i));
         }
-        mPendingRemoteTransitions.clear();
-        if (mPendingRecentTasksListener != null && mRecentTasks != null) {
-            registerRecentTasksListener(mPendingRecentTasksListener);
-            mPendingRecentTasksListener = null;
+        if (mRecentTasksListener != null && mRecentTasks != null) {
+            registerRecentTasksListener(mRecentTasksListener);
         }
 
         if (mPendingSetNavButtonAlpha != null) {
@@ -469,8 +464,6 @@
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call handleImageBundleAsScreenshot");
             }
-        } else if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.NO_SCREENSHOT, "sysuiproxy, no proxy available");
         }
     }
 
@@ -516,9 +509,8 @@
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call setPinnedStackAnimationListener", e);
             }
-        } else {
-            mPendingPipAnimationListener = listener;
         }
+        mPipAnimationListener = listener;
     }
 
     public Rect startSwipePipToHome(ComponentName componentName, ActivityInfo activityInfo,
@@ -556,9 +548,8 @@
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call registerSplitScreenListener");
             }
-        } else {
-            mPendingSplitScreenListener = listener;
         }
+        mSplitScreenListener = listener;
     }
 
     public void unregisterSplitScreenListener(ISplitScreenListener listener) {
@@ -569,17 +560,17 @@
                 Log.w(TAG, "Failed call unregisterSplitScreenListener");
             }
         }
-        mPendingSplitScreenListener = null;
+        mSplitScreenListener = null;
     }
 
     /** Start multiple tasks in split-screen simultaneously. */
     public void startTasks(int mainTaskId, Bundle mainOptions, int sideTaskId, Bundle sideOptions,
-            @SplitConfigurationOptions.StagePosition int sidePosition,
+            @SplitConfigurationOptions.StagePosition int sidePosition, float splitRatio,
             RemoteTransitionCompat remoteTransition) {
         if (mSystemUiProxy != null) {
             try {
                 mSplitScreen.startTasks(mainTaskId, mainOptions, sideTaskId, sideOptions,
-                        sidePosition, remoteTransition.getTransition());
+                        sidePosition, splitRatio, remoteTransition.getTransition());
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call startTask");
             }
@@ -591,11 +582,11 @@
      */
     public void startTasksWithLegacyTransition(int mainTaskId, Bundle mainOptions, int sideTaskId,
             Bundle sideOptions, @SplitConfigurationOptions.StagePosition int sidePosition,
-            RemoteAnimationAdapter adapter) {
+            float splitRatio, RemoteAnimationAdapter adapter) {
         if (mSystemUiProxy != null) {
             try {
                 mSplitScreen.startTasksWithLegacyTransition(mainTaskId, mainOptions, sideTaskId,
-                        sideOptions, sidePosition, adapter);
+                        sideOptions, sidePosition, splitRatio, adapter);
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call startTasksWithLegacyTransition");
             }
@@ -690,9 +681,8 @@
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call registerRemoteTransition");
             }
-        } else {
-            mPendingRemoteTransitions.add(remoteTransition);
         }
+        mRemoteTransitions.add(remoteTransition);
     }
 
     public void unregisterRemoteTransition(RemoteTransitionCompat remoteTransition) {
@@ -703,7 +693,7 @@
                 Log.w(TAG, "Failed call registerRemoteTransition");
             }
         }
-        mPendingRemoteTransitions.remove(remoteTransition);
+        mRemoteTransitions.remove(remoteTransition);
     }
 
     //
@@ -720,9 +710,8 @@
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call setStartingWindowListener", e);
             }
-        } else {
-            mPendingStartingWindowListener = listener;
         }
+        mStartingWindowListener = listener;
     }
 
     //
@@ -736,9 +725,8 @@
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call setStartingWindowListener", e);
             }
-        } else {
-            mPendingSmartspaceCallback = callback;
         }
+        mSmartspaceCallback = callback;
     }
 
     //
@@ -752,9 +740,8 @@
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call registerRecentTasksListener", e);
             }
-        } else {
-            mPendingRecentTasksListener = listener;
         }
+        mRecentTasksListener = listener;
     }
 
     public void unregisterRecentTasksListener(IRecentTasksListener listener) {
@@ -765,7 +752,7 @@
                 Log.w(TAG, "Failed call unregisterRecentTasksListener");
             }
         }
-        mPendingRecentTasksListener = null;
+        mRecentTasksListener = null;
     }
 
     public ArrayList<GroupedRecentTaskInfo> getRecentTasks(int numTasks, int userId) {
diff --git a/quickstep/src/com/android/quickstep/TaskShortcutFactory.java b/quickstep/src/com/android/quickstep/TaskShortcutFactory.java
index 8c4ba97..cbdbdb5 100644
--- a/quickstep/src/com/android/quickstep/TaskShortcutFactory.java
+++ b/quickstep/src/com/android/quickstep/TaskShortcutFactory.java
@@ -72,7 +72,13 @@
         @Override
         public SystemShortcut getShortcut(BaseDraggingActivity activity,
                 TaskIdAttributeContainer taskContainer) {
-            return new AppInfo(activity, taskContainer.getItemInfo());
+            TaskView taskView = taskContainer.getTaskView();
+            AppInfo.SplitAccessibilityInfo accessibilityInfo =
+                    new AppInfo.SplitAccessibilityInfo(taskView.containsMultipleTasks(),
+                            TaskUtils.getTitle(taskView.getContext(), taskContainer.getTask()),
+                            taskContainer.getA11yNodeId()
+                    );
+            return new AppInfo(activity, taskContainer.getItemInfo(), accessibilityInfo);
         }
 
         @Override
diff --git a/quickstep/src/com/android/quickstep/TaskThumbnailCache.java b/quickstep/src/com/android/quickstep/TaskThumbnailCache.java
index eaa43cf..3175ba8 100644
--- a/quickstep/src/com/android/quickstep/TaskThumbnailCache.java
+++ b/quickstep/src/com/android/quickstep/TaskThumbnailCache.java
@@ -134,7 +134,8 @@
         Preconditions.assertUIThread();
 
         boolean lowResolution = !mHighResLoadingState.isEnabled();
-        if (task.thumbnail != null && (!task.thumbnail.reducedResolution || lowResolution)) {
+        if (task.thumbnail != null && task.thumbnail.thumbnail != null
+                && (!task.thumbnail.reducedResolution || lowResolution)) {
             // Nothing to load, the thumbnail is already high-resolution or matches what the
             // request, so just callback
             callback.accept(task.thumbnail);
@@ -152,7 +153,8 @@
         Preconditions.assertUIThread();
 
         ThumbnailData cachedThumbnail = mCache.getAndInvalidateIfModified(key);
-        if (cachedThumbnail != null && (!cachedThumbnail.reducedResolution || lowResolution)) {
+        if (cachedThumbnail != null &&  cachedThumbnail.thumbnail != null
+                && (!cachedThumbnail.reducedResolution || lowResolution)) {
             // Already cached, lets use that thumbnail
             callback.accept(cachedThumbnail);
             return null;
diff --git a/quickstep/src/com/android/quickstep/TaskViewUtils.java b/quickstep/src/com/android/quickstep/TaskViewUtils.java
index 6addfe3..e77ec78 100644
--- a/quickstep/src/com/android/quickstep/TaskViewUtils.java
+++ b/quickstep/src/com/android/quickstep/TaskViewUtils.java
@@ -56,6 +56,7 @@
 import android.window.TransitionInfo;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 
 import com.android.launcher3.BaseActivity;
 import com.android.launcher3.DeviceProfile;
@@ -72,6 +73,7 @@
 import com.android.quickstep.util.SurfaceTransactionApplier;
 import com.android.quickstep.util.TaskViewSimulator;
 import com.android.quickstep.util.TransformParams;
+import com.android.quickstep.views.GroupedTaskView;
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.TaskThumbnailView;
 import com.android.quickstep.views.TaskView;
@@ -149,10 +151,12 @@
         return taskView;
     }
 
-    public static void createRecentsWindowAnimator(TaskView v, boolean skipViewChanges,
-            RemoteAnimationTargetCompat[] appTargets,
-            RemoteAnimationTargetCompat[] wallpaperTargets,
-            RemoteAnimationTargetCompat[] nonAppTargets, DepthController depthController,
+    public static void createRecentsWindowAnimator(
+            @NonNull TaskView v, boolean skipViewChanges,
+            @NonNull RemoteAnimationTargetCompat[] appTargets,
+            @NonNull RemoteAnimationTargetCompat[] wallpaperTargets,
+            @NonNull RemoteAnimationTargetCompat[] nonAppTargets,
+            @Nullable DepthController depthController,
             PendingAnimation out) {
         RecentsView recentsView = v.getRecentsView();
         boolean isQuickSwitch = v.isEndQuickswitchCuj();
@@ -192,7 +196,8 @@
         boolean showAsGrid = dp.overviewShowAsGrid;
         boolean parallaxCenterAndAdjacentTask =
                 taskIndex != recentsView.getCurrentPage() && !showAsGrid;
-        int startScroll = recentsView.getScrollOffset(taskIndex);
+        int taskRectTranslationPrimary = recentsView.getScrollOffset(taskIndex);
+        int taskRectTranslationSecondary = showAsGrid ? (int) v.getGridTranslationY() : 0;
 
         RemoteTargetHandle[] topMostSimulators = null;
 
@@ -209,9 +214,10 @@
 
                 tvsLocal.fullScreenProgress.value = 0;
                 tvsLocal.recentsViewScale.value = 1;
-                tvsLocal.setScroll(startScroll);
                 tvsLocal.setIsGridTask(v.isGridTask());
-                tvsLocal.setGridTranslationY(v.getGridTranslationY());
+                tvsLocal.getOrientationState().getOrientationHandler().set(tvsLocal,
+                        TaskViewSimulator::setTaskRectTranslation, taskRectTranslationPrimary,
+                        taskRectTranslationSecondary);
 
                 // Fade in the task during the initial 20% of the animation
                 out.addFloat(targetHandle.getTransformParams(), TransformParams.TARGET_ALPHA, 0, 1,
@@ -418,15 +424,46 @@
         finishCallback.run();
     }
 
-    /** Legacy version (until shell transitions are enabled) */
-    public static void composeRecentsSplitLaunchAnimatorLegacy(@NonNull Task initialTask,
+    /**
+     * Legacy version (until shell transitions are enabled)
+     *
+     * If {@param launchingTaskView} is not null, then this will play the tasks launch animation
+     * from the position of the GroupedTaskView (when user taps on the TaskView to start it).
+     * Technically this case should be taken care of by
+     * {@link #composeRecentsSplitLaunchAnimatorLegacy()} below, but the way we launch tasks whether
+     * it's a single task or multiple tasks results in different entry-points.
+     *
+     * If it is null, then it will simply fade in the starting apps and fade out launcher (for the
+     * case where launcher handles animating starting split tasks from app icon) */
+    public static void composeRecentsSplitLaunchAnimatorLegacy(
+            @Nullable GroupedTaskView launchingTaskView,
+            @NonNull Task initialTask,
             @NonNull Task secondTask, @NonNull RemoteAnimationTargetCompat[] appTargets,
             @NonNull RemoteAnimationTargetCompat[] wallpaperTargets,
             @NonNull RemoteAnimationTargetCompat[] nonAppTargets,
+            @NonNull StateManager stateManager,
+            @Nullable DepthController depthController,
             @NonNull Runnable finishCallback) {
+        if (launchingTaskView != null) {
+            AnimatorSet animatorSet = new AnimatorSet();
+            RecentsView recentsView = launchingTaskView.getRecentsView();
+            animatorSet.addListener(new AnimatorListenerAdapter() {
+                @Override
+                public void onAnimationEnd(Animator animation) {
+                    super.onAnimationEnd(animation);
+                    finishCallback.run();
+                }
+            });
+            composeRecentsLaunchAnimator(animatorSet, launchingTaskView,
+                    appTargets, wallpaperTargets, nonAppTargets,
+                    true, stateManager,
+                    recentsView, depthController);
+            animatorSet.start();
+            return;
+        }
+
         final ArrayList<SurfaceControl> openingTargets = new ArrayList<>();
         final ArrayList<SurfaceControl> closingTargets = new ArrayList<>();
-
         for (RemoteAnimationTargetCompat appTarget : appTargets) {
             final int taskId = appTarget.taskInfo != null ? appTarget.taskInfo.taskId : -1;
             final int mode = appTarget.mode;
@@ -490,7 +527,7 @@
             @NonNull RemoteAnimationTargetCompat[] wallpaperTargets,
             @NonNull RemoteAnimationTargetCompat[] nonAppTargets, boolean launcherClosing,
             @NonNull StateManager stateManager, @NonNull RecentsView recentsView,
-            @NonNull DepthController depthController) {
+            @Nullable DepthController depthController) {
         boolean skipLauncherChanges = !launcherClosing;
 
         TaskView taskView = findTaskViewToLaunch(recentsView, v, appTargets);
diff --git a/quickstep/src/com/android/quickstep/TouchInteractionService.java b/quickstep/src/com/android/quickstep/TouchInteractionService.java
index 4bb666e..d1f39d2 100644
--- a/quickstep/src/com/android/quickstep/TouchInteractionService.java
+++ b/quickstep/src/com/android/quickstep/TouchInteractionService.java
@@ -22,7 +22,6 @@
 
 import static com.android.launcher3.config.FeatureFlags.ASSISTANT_GIVES_LAUNCHER_FOCUS;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_QUICKSTEP_LIVE_TILE;
-import static com.android.launcher3.testing.TestProtocol.TASKBAR_WINDOW_CRASH;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.quickstep.GestureState.DEFAULT_STATE;
 import static com.android.systemui.shared.system.ActivityManagerWrapper.CLOSE_SYSTEM_WINDOWS_REASON_RECENTS;
@@ -281,6 +280,12 @@
                     .onSystemBarAttributesChanged(displayId, behavior));
         }
 
+        @Override
+        public void onNavButtonsDarkIntensityChanged(float darkIntensity) {
+            executeForTaskbarManager(() -> mTaskbarManager
+                    .onNavButtonsDarkIntensityChanged(darkIntensity));
+        }
+
         private void executeForTaskbarManager(final Runnable r) {
             MAIN_EXECUTOR.execute(() -> {
                 if (mTaskbarManager == null) {
@@ -347,7 +352,6 @@
     @Override
     public void onCreate() {
         super.onCreate();
-        Log.d(TASKBAR_WINDOW_CRASH, "TIS created");
         // Initialize anything here that is needed in direct boot mode.
         // Everything else should be initialized in onUserUnlocked() below.
         mMainChoreographer = Choreographer.getInstance();
@@ -501,7 +505,6 @@
     @Override
     public void onDestroy() {
         Log.d(TAG, "Touch service destroyed: user=" + getUserId());
-        Log.d(TASKBAR_WINDOW_CRASH, "TIS destroyed");
         sIsInitialized = false;
         if (mDeviceState.isUserUnlocked()) {
             mInputConsumer.unregisterInputConsumer();
@@ -945,6 +948,7 @@
             pw.println("  resumed=" + resumed);
             pw.println("  mConsumer=" + mConsumer.getName());
             ActiveGestureLog.INSTANCE.dump("", pw);
+            RecentsModel.INSTANCE.get(this).dump("", pw);
             pw.println("ProtoTrace:");
             pw.println("  file=" + ProtoTracer.INSTANCE.get(this).getTraceFile());
         }
diff --git a/quickstep/src/com/android/quickstep/ViewUtils.java b/quickstep/src/com/android/quickstep/ViewUtils.java
index 184ab17..e290be8 100644
--- a/quickstep/src/com/android/quickstep/ViewUtils.java
+++ b/quickstep/src/com/android/quickstep/ViewUtils.java
@@ -15,8 +15,10 @@
  */
 package com.android.quickstep;
 
+import android.graphics.HardwareRenderer;
 import android.os.Handler;
 import android.view.View;
+import android.view.ViewRootImpl;
 
 import com.android.launcher3.Utilities;
 import com.android.systemui.shared.system.ViewRootImplCompat;
@@ -45,9 +47,9 @@
         return new FrameHandler(view, onFinishRunnable, canceled).schedule();
     }
 
-    private static class FrameHandler implements LongConsumer {
+    private static class FrameHandler implements HardwareRenderer.FrameDrawingCallback {
 
-        final ViewRootImplCompat mViewRoot;
+        final ViewRootImpl mViewRoot;
         final Runnable mFinishCallback;
         final BooleanSupplier mCancelled;
         final Handler mHandler;
@@ -55,14 +57,14 @@
         int mDeferFrameCount = 1;
 
         FrameHandler(View view, Runnable finishCallback, BooleanSupplier cancelled) {
-            mViewRoot = new ViewRootImplCompat(view);
+            mViewRoot = view.getViewRootImpl();
             mFinishCallback = finishCallback;
             mCancelled = cancelled;
             mHandler = new Handler();
         }
 
         @Override
-        public void accept(long l) {
+        public void onFrameDraw(long frame) {
             Utilities.postAsyncCallback(mHandler, this::onFrame);
         }
 
@@ -83,7 +85,7 @@
         }
 
         private boolean schedule() {
-            if (mViewRoot.isValid()) {
+            if (mViewRoot.getView() != null) {
                 mViewRoot.registerRtFrameCallback(this);
                 mViewRoot.getView().invalidate();
                 return true;
diff --git a/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java b/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java
index 0ae415d..c82b931 100644
--- a/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java
+++ b/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java
@@ -16,7 +16,6 @@
 package com.android.quickstep.fallback;
 
 import static com.android.quickstep.GestureState.GestureEndTarget.RECENTS;
-import static com.android.quickstep.ViewUtils.postFrameDrawn;
 import static com.android.quickstep.fallback.RecentsState.DEFAULT;
 import static com.android.quickstep.fallback.RecentsState.HOME;
 import static com.android.quickstep.fallback.RecentsState.MODAL_TASK;
@@ -38,12 +37,12 @@
 import com.android.quickstep.FallbackActivityInterface;
 import com.android.quickstep.GestureState;
 import com.android.quickstep.RecentsActivity;
+import com.android.quickstep.util.GroupTask;
 import com.android.quickstep.util.SplitSelectStateController;
 import com.android.quickstep.util.TaskViewSimulator;
 import com.android.quickstep.views.OverviewActionsView;
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.TaskView;
-import com.android.quickstep.util.GroupTask;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.recents.model.Task.TaskKey;
 
@@ -208,10 +207,6 @@
 
     @Override
     public void onStateTransitionStart(RecentsState toState) {
-        if (toState == HOME) {
-            // Clean-up logic that occurs when recents is no longer in use/visible.
-            reset();
-        }
         setOverviewStateEnabled(true);
         setOverviewGridEnabled(toState.displayOverviewTasksAsGrid(mActivity.getDeviceProfile()));
         setOverviewFullscreenEnabled(toState.isFullScreen());
@@ -220,13 +215,17 @@
 
     @Override
     public void onStateTransitionComplete(RecentsState finalState) {
+        if (finalState == HOME) {
+            // Clean-up logic that occurs when recents is no longer in use/visible.
+            reset();
+        }
         boolean isOverlayEnabled = finalState == DEFAULT || finalState == MODAL_TASK;
         setOverlayEnabled(isOverlayEnabled);
         setFreezeViewVisibility(false);
 
         if (isOverlayEnabled) {
-            postFrameDrawn(this, () -> runActionOnRemoteHandles(remoteTargetHandle ->
-                    remoteTargetHandle.getTaskViewSimulator().setDrawsBelowRecents(true)));
+            runActionOnRemoteHandles(remoteTargetHandle ->
+                    remoteTargetHandle.getTaskViewSimulator().setDrawsBelowRecents(true));
         }
     }
 
diff --git a/quickstep/src/com/android/quickstep/inputconsumers/AssistantInputConsumer.java b/quickstep/src/com/android/quickstep/inputconsumers/AssistantInputConsumer.java
index 510820a..162ace4 100644
--- a/quickstep/src/com/android/quickstep/inputconsumers/AssistantInputConsumer.java
+++ b/quickstep/src/com/android/quickstep/inputconsumers/AssistantInputConsumer.java
@@ -24,6 +24,8 @@
 import static android.view.MotionEvent.ACTION_POINTER_UP;
 import static android.view.MotionEvent.ACTION_UP;
 
+import static com.android.internal.app.AssistUtils.INVOCATION_TYPE_GESTURE;
+import static com.android.internal.app.AssistUtils.INVOCATION_TYPE_KEY;
 import static com.android.launcher3.Utilities.squaredHypot;
 
 import android.animation.Animator;
@@ -64,8 +66,6 @@
     private static final String OPA_BUNDLE_TRIGGER = "triggered_by";
     // From //java/com/google/android/apps/gsa/assistant/shared/proto/opa_trigger.proto.
     private static final int OPA_BUNDLE_TRIGGER_DIAG_SWIPE_GESTURE = 83;
-    private static final String INVOCATION_TYPE_KEY = "invocation_type";
-    private static final int INVOCATION_TYPE_GESTURE = 1;
 
     private final PointF mDownPos = new PointF();
     private final PointF mLastPos = new PointF();
diff --git a/quickstep/src/com/android/quickstep/util/ImageActionUtils.java b/quickstep/src/com/android/quickstep/util/ImageActionUtils.java
index 2858cbd..51a9915 100644
--- a/quickstep/src/com/android/quickstep/util/ImageActionUtils.java
+++ b/quickstep/src/com/android/quickstep/util/ImageActionUtils.java
@@ -49,7 +49,6 @@
 
 import com.android.internal.app.ChooserActivity;
 import com.android.launcher3.BuildConfig;
-import com.android.launcher3.testing.TestProtocol;
 import com.android.quickstep.SystemUiProxy;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.recents.utilities.BitmapUtil;
@@ -78,9 +77,6 @@
     public static void saveScreenshot(SystemUiProxy systemUiProxy, Bitmap screenshot,
             Rect screenshotBounds,
             Insets visibleInsets, Task.TaskKey task) {
-        if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.NO_SCREENSHOT, "image action utils calling into sysuiproxy");
-        }
         systemUiProxy.handleImageBundleAsScreenshot(BitmapUtil.hardwareBitmapToBundle(screenshot),
                 screenshotBounds, visibleInsets, task);
     }
diff --git a/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java b/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java
index 9c6fd3d..8ccab71 100644
--- a/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java
+++ b/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java
@@ -162,7 +162,7 @@
      */
     public void setDeviceProfile(DeviceProfile deviceProfile) {
         boolean oldMultipleOrientationsSupported = isMultipleOrientationSupportedByDevice();
-        setFlag(FLAG_MULTIPLE_ORIENTATION_SUPPORTED_BY_DENSITY, !deviceProfile.allowRotation);
+        setFlag(FLAG_MULTIPLE_ORIENTATION_SUPPORTED_BY_DENSITY, !deviceProfile.isTablet);
         if (mListenersInitialized) {
             boolean newMultipleOrientationsSupported = isMultipleOrientationSupportedByDevice();
             // If isMultipleOrientationSupportedByDevice is changed, init or destroy listeners
diff --git a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
index b32c4e5..d310893 100644
--- a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
+++ b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
@@ -18,25 +18,30 @@
 
 import static com.android.launcher3.Utilities.postAsyncCallback;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
+import static com.android.launcher3.util.SplitConfigurationOptions.DEFAULT_SPLIT_RATIO;
 import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_BOTTOM_OR_RIGHT;
 import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT;
 
 import android.app.ActivityOptions;
 import android.app.ActivityThread;
 import android.graphics.Rect;
-import android.os.Bundle;
 import android.os.Handler;
 import android.os.IBinder;
 import android.view.RemoteAnimationAdapter;
 import android.view.SurfaceControl;
 import android.window.TransitionInfo;
 
-import com.android.launcher3.Utilities;
+import androidx.annotation.Nullable;
+
+import com.android.launcher3.statehandlers.DepthController;
+import com.android.launcher3.statemanager.StateManager;
 import com.android.launcher3.util.SplitConfigurationOptions;
 import com.android.launcher3.util.SplitConfigurationOptions.StagePosition;
 import com.android.quickstep.SystemUiProxy;
 import com.android.quickstep.TaskAnimationManager;
 import com.android.quickstep.TaskViewUtils;
+import com.android.quickstep.views.GroupedTaskView;
+import com.android.quickstep.views.TaskView;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.system.RemoteAnimationAdapterCompat;
 import com.android.systemui.shared.system.RemoteAnimationRunnerCompat;
@@ -54,23 +59,32 @@
 
     private final Handler mHandler;
     private final SystemUiProxy mSystemUiProxy;
+    private final StateManager mStateManager;
+    private final DepthController mDepthController;
     private @StagePosition int mStagePosition;
     private Task mInitialTask;
     private Task mSecondTask;
     private Rect mInitialBounds;
     private boolean mRecentsAnimationRunning;
+    /** If not null, this is the TaskView we want to launch from */
+    @Nullable
+    private GroupedTaskView mLaunchingTaskView;
 
-    public SplitSelectStateController(Handler handler, SystemUiProxy systemUiProxy) {
+    public SplitSelectStateController(Handler handler, SystemUiProxy systemUiProxy,
+            StateManager stateManager,
+            DepthController depthController) {
         mHandler = handler;
         mSystemUiProxy = systemUiProxy;
+        mStateManager = stateManager;
+        mDepthController = depthController;
     }
 
     /**
      * To be called after first task selected
      */
-    public void setInitialTaskSelect(Task taskView, @StagePosition int stagePosition,
+    public void setInitialTaskSelect(Task task, @StagePosition int stagePosition,
             Rect initialBounds) {
-        mInitialTask = taskView;
+        mInitialTask = task;
         mStagePosition = stagePosition;
         mInitialBounds = initialBounds;
     }
@@ -78,17 +92,30 @@
     /**
      * To be called after second task selected
      */
-    public void setSecondTaskId(Task taskView, Consumer<Boolean> callback) {
-        mSecondTask = taskView;
+    public void setSecondTaskId(Task task, Consumer<Boolean> callback) {
+        mSecondTask = task;
         launchTasks(mInitialTask, mSecondTask, mStagePosition, callback,
-                false /* freezeTaskList */);
+                false /* freezeTaskList */, DEFAULT_SPLIT_RATIO);
+    }
+
+    /**
+     * To be called when we want to launch split pairs from an existing GroupedTaskView.
+     */
+    public void launchTasks(GroupedTaskView groupedTaskView,
+            Consumer<Boolean> callback, boolean freezeTaskList) {
+        mLaunchingTaskView = groupedTaskView;
+        TaskView.TaskIdAttributeContainer[] taskIdAttributeContainers =
+                groupedTaskView.getTaskIdAttributeContainers();
+        launchTasks(taskIdAttributeContainers[0].getTask(), taskIdAttributeContainers[1].getTask(),
+                taskIdAttributeContainers[0].getStagePosition(), callback, freezeTaskList,
+                groupedTaskView.getSplitRatio());
     }
 
     /**
      * @param stagePosition representing location of task1
      */
     public void launchTasks(Task task1, Task task2, @StagePosition int stagePosition,
-            Consumer<Boolean> callback, boolean freezeTaskList) {
+            Consumer<Boolean> callback, boolean freezeTaskList, float splitRatio) {
         // Assume initial task is for top/left part of screen
         final int[] taskIds = stagePosition == STAGE_POSITION_TOP_OR_LEFT
                 ? new int[]{task1.key.id, task2.key.id}
@@ -97,7 +124,7 @@
             RemoteSplitLaunchTransitionRunner animationRunner =
                     new RemoteSplitLaunchTransitionRunner(task1, task2);
             mSystemUiProxy.startTasks(taskIds[0], null /* mainOptions */, taskIds[1],
-                    null /* sideOptions */, STAGE_POSITION_BOTTOM_OR_RIGHT,
+                    null /* sideOptions */, STAGE_POSITION_BOTTOM_OR_RIGHT, splitRatio,
                     new RemoteTransitionCompat(animationRunner, MAIN_EXECUTOR,
                             ActivityThread.currentActivityThread().getApplicationThread()));
         } else {
@@ -114,7 +141,7 @@
             }
             mSystemUiProxy.startTasksWithLegacyTransition(taskIds[0], mainOpts.toBundle(),
                     taskIds[1], null /* sideOptions */, STAGE_POSITION_BOTTOM_OR_RIGHT,
-                    adapter);
+                    splitRatio, adapter);
         }
     }
 
@@ -171,8 +198,9 @@
                 RemoteAnimationTargetCompat[] wallpapers, RemoteAnimationTargetCompat[] nonApps,
                 Runnable finishedCallback) {
             postAsyncCallback(mHandler,
-                    () -> TaskViewUtils.composeRecentsSplitLaunchAnimatorLegacy(mInitialTask,
-                            mSecondTask, apps, wallpapers, nonApps, () -> {
+                    () -> TaskViewUtils.composeRecentsSplitLaunchAnimatorLegacy(
+                            mLaunchingTaskView, mInitialTask, mSecondTask, apps, wallpapers,
+                            nonApps, mStateManager, mDepthController, () -> {
                                 finishedCallback.run();
                                 if (mSuccessCallback != null) {
                                     mSuccessCallback.accept(true);
@@ -203,6 +231,7 @@
         mStagePosition = SplitConfigurationOptions.STAGE_POSITION_UNDEFINED;
         mInitialBounds = null;
         mRecentsAnimationRunning = false;
+        mLaunchingTaskView = null;
     }
 
     /**
diff --git a/quickstep/src/com/android/quickstep/util/SurfaceTransactionApplier.java b/quickstep/src/com/android/quickstep/util/SurfaceTransactionApplier.java
index 3b4fd31..3b1c150 100644
--- a/quickstep/src/com/android/quickstep/util/SurfaceTransactionApplier.java
+++ b/quickstep/src/com/android/quickstep/util/SurfaceTransactionApplier.java
@@ -22,10 +22,10 @@
 import android.view.SurfaceControl;
 import android.view.SurfaceControl.Transaction;
 import android.view.View;
+import android.view.ViewRootImpl;
 
 import com.android.quickstep.RemoteAnimationTargets.ReleaseCheck;
 import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams;
-import com.android.systemui.shared.system.ViewRootImplCompat;
 
 import java.util.function.Consumer;
 
@@ -41,7 +41,7 @@
     private static final int MSG_UPDATE_SEQUENCE_NUMBER = 0;
 
     private final SurfaceControl mBarrierSurfaceControl;
-    private final ViewRootImplCompat mTargetViewRootImpl;
+    private final ViewRootImpl mTargetViewRootImpl;
     private final Handler mApplyHandler;
 
     private int mLastSequenceNumber = 0;
@@ -50,8 +50,8 @@
      * @param targetView The view in the surface that acts as synchronization anchor.
      */
     public SurfaceTransactionApplier(View targetView) {
-        mTargetViewRootImpl = new ViewRootImplCompat(targetView);
-        mBarrierSurfaceControl = mTargetViewRootImpl.getRenderSurfaceControl();
+        mTargetViewRootImpl = targetView.getViewRootImpl();
+        mBarrierSurfaceControl = mTargetViewRootImpl.getSurfaceControl();
         mApplyHandler = new Handler(this::onApplyMessage);
     }
 
@@ -109,7 +109,7 @@
         if (targetView == null) {
             // No target view, no applier
             callback.accept(null);
-        } else if (new ViewRootImplCompat(targetView).isValid()) {
+        } else if (targetView.isAttachedToWindow()) {
             // Already attached, we're good to go
             callback.accept(new SurfaceTransactionApplier(targetView));
         } else {
diff --git a/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java b/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
index 7d396ba..f676091 100644
--- a/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
+++ b/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
@@ -102,7 +102,8 @@
     private StagedSplitBounds mStagedSplitBounds;
     private boolean mDrawsBelowRecents;
     private boolean mIsGridTask;
-    private float mGridTranslationY;
+    private int mTaskRectTranslationX;
+    private int mTaskRectTranslationY;
 
     public TaskViewSimulator(Context context, BaseActivityInterface sizeStrategy) {
         mContext = context;
@@ -157,15 +158,11 @@
             fullTaskSize = new Rect(mTaskRect);
             mOrientationState.getOrientationHandler()
                     .setSplitTaskSwipeRect(mDp, mTaskRect, mStagedSplitBounds, mStagePosition);
-            if (mIsGridTask) {
-                mTaskRect.offset(0, (int) mGridTranslationY);
-            }
+            mTaskRect.offset(mTaskRectTranslationX, mTaskRectTranslationY);
         } else {
             fullTaskSize = mTaskRect;
         }
-        if (mIsGridTask) {
-            fullTaskSize.offset(0, (int) mGridTranslationY);
-        }
+        fullTaskSize.offset(mTaskRectTranslationX, mTaskRectTranslationY);
         return mOrientationState.getFullScreenScaleAndPivot(fullTaskSize, mDp, mPivot);
     }
 
@@ -225,10 +222,11 @@
     }
 
     /**
-     * Sets the y-translation when overview is in grid.
+     * Apply translations on TaskRect's starting location.
      */
-    public void setGridTranslationY(float gridTranslationY) {
-        mGridTranslationY = gridTranslationY;
+    public void setTaskRectTranslation(int taskRectTranslationX, int taskRectTranslationY) {
+        mTaskRectTranslationX = taskRectTranslationX;
+        mTaskRectTranslationY = taskRectTranslationY;
     }
 
     /**
@@ -336,19 +334,19 @@
 
         // Apply TaskView matrix: taskRect, translate
         mMatrix.postTranslate(mTaskRect.left, mTaskRect.top);
-        mOrientationState.getOrientationHandler().set(mMatrix, MATRIX_POST_TRANSLATE,
+        mOrientationState.getOrientationHandler().setPrimary(mMatrix, MATRIX_POST_TRANSLATE,
                 taskPrimaryTranslation.value);
         mOrientationState.getOrientationHandler().setSecondary(mMatrix, MATRIX_POST_TRANSLATE,
                 taskSecondaryTranslation.value);
+        mOrientationState.getOrientationHandler().setPrimary(
+                mMatrix, MATRIX_POST_TRANSLATE, recentsViewScroll.value);
 
         // Apply RecentsView matrix
         mMatrix.postScale(recentsViewScale.value, recentsViewScale.value, mPivot.x, mPivot.y);
         mOrientationState.getOrientationHandler().setSecondary(mMatrix, MATRIX_POST_TRANSLATE,
                 recentsViewSecondaryTranslation.value);
-        mOrientationState.getOrientationHandler().set(mMatrix, MATRIX_POST_TRANSLATE,
+        mOrientationState.getOrientationHandler().setPrimary(mMatrix, MATRIX_POST_TRANSLATE,
                 recentsViewPrimaryTranslation.value);
-        mOrientationState.getOrientationHandler().set(
-                mMatrix, MATRIX_POST_TRANSLATE, recentsViewScroll.value);
         applyWindowToHomeRotation(mMatrix);
 
         // Crop rect is the inverse of thumbnail matrix
diff --git a/quickstep/src/com/android/quickstep/views/FloatingTaskView.java b/quickstep/src/com/android/quickstep/views/FloatingTaskView.java
index 5a5e3da..325ec04 100644
--- a/quickstep/src/com/android/quickstep/views/FloatingTaskView.java
+++ b/quickstep/src/com/android/quickstep/views/FloatingTaskView.java
@@ -71,7 +71,6 @@
         mImageView.setLayerType(LAYER_TYPE_HARDWARE, null);
         mSplitPlaceholderView = findViewById(R.id.split_placeholder);
         mSplitPlaceholderView.setAlpha(0);
-        mSplitPlaceholderView.setBackgroundColor(getResources().getColor(android.R.color.white));
     }
 
     private void init(StatefulActivity launcher, TaskView originalView, RectF positionOut) {
diff --git a/quickstep/src/com/android/quickstep/views/FloatingWidgetBackgroundView.java b/quickstep/src/com/android/quickstep/views/FloatingWidgetBackgroundView.java
index c3b166f..adea1a4 100644
--- a/quickstep/src/com/android/quickstep/views/FloatingWidgetBackgroundView.java
+++ b/quickstep/src/com/android/quickstep/views/FloatingWidgetBackgroundView.java
@@ -136,7 +136,7 @@
     }
 
     /** Returns the maximum corner radius of {@param drawable}. */
-    private static float getMaxRadius(Drawable drawable) {
+    private static float getMaxRadius(@Nullable Drawable drawable) {
         if (!(drawable instanceof GradientDrawable)) return 0;
         float[] cornerRadii = ((GradientDrawable) drawable).getCornerRadii();
         float cornerRadius = ((GradientDrawable) drawable).getCornerRadius();
diff --git a/quickstep/src/com/android/quickstep/views/GroupedTaskView.java b/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
index ea83b4d..00f541d 100644
--- a/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
+++ b/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
@@ -1,5 +1,6 @@
 package com.android.quickstep.views;
 
+import static com.android.launcher3.util.SplitConfigurationOptions.DEFAULT_SPLIT_RATIO;
 import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_BOTTOM_OR_RIGHT;
 import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT;
 
@@ -76,7 +77,7 @@
         mSecondaryTask = secondary;
         mTaskIdContainer[1] = secondary.key.id;
         mTaskIdAttributeContainer[1] = new TaskIdAttributeContainer(secondary, mSnapshotView2,
-                STAGE_POSITION_BOTTOM_OR_RIGHT);
+                mIconView2, STAGE_POSITION_BOTTOM_OR_RIGHT);
         mTaskIdAttributeContainer[0].setStagePosition(STAGE_POSITION_TOP_OR_LEFT);
         mSnapshotView2.bind(secondary);
         mSplitBoundsConfig = splitBoundsConfig;
@@ -117,19 +118,19 @@
         }
     }
 
-    protected boolean showTaskMenuWithContainer(IconView iconView) {
-        if (mActivity.getDeviceProfile().overviewShowAsGrid) {
-            return TaskMenuViewWithArrow.Companion.showForTask(mTaskIdAttributeContainer[0]);
-        } else {
-            return TaskMenuView.showForTask(mTaskIdAttributeContainer[0]);
-        }
-    }
-
     public void updateSplitBoundsConfig(StagedSplitBounds stagedSplitBounds) {
         mSplitBoundsConfig = stagedSplitBounds;
         invalidate();
     }
 
+    public float getSplitRatio() {
+        if (mSplitBoundsConfig != null) {
+            return mSplitBoundsConfig.appsStackedVertically
+                    ? mSplitBoundsConfig.topTaskPercent : mSplitBoundsConfig.leftTaskPercent;
+        }
+        return DEFAULT_SPLIT_RATIO;
+    }
+
     @Override
     public boolean offerTouchToChildren(MotionEvent event) {
         computeAndSetIconTouchDelegate(mIconView2, mIcon2CenterCoords, mIcon2TouchDelegate);
@@ -156,8 +157,8 @@
     @Nullable
     @Override
     public RunnableList launchTaskAnimated() {
-        getRecentsView().getSplitPlaceholder().launchTasks(mTask, mSecondaryTask,
-                STAGE_POSITION_TOP_OR_LEFT, null /*callback*/,
+        getRecentsView().getSplitPlaceholder().launchTasks(this /*groupedTaskView*/,
+                null /*callback*/,
                 false /* freezeTaskList */);
         return null;
     }
@@ -165,7 +166,8 @@
     @Override
     public void launchTask(@NonNull Consumer<Boolean> callback, boolean freezeTaskList) {
         getRecentsView().getSplitPlaceholder().launchTasks(mTask, mSecondaryTask,
-                STAGE_POSITION_TOP_OR_LEFT, callback, freezeTaskList);
+                STAGE_POSITION_TOP_OR_LEFT, callback, freezeTaskList,
+                getSplitRatio());
     }
 
     @Override
diff --git a/quickstep/src/com/android/quickstep/views/IconView.java b/quickstep/src/com/android/quickstep/views/IconView.java
index ccb1a99..5895c05 100644
--- a/quickstep/src/com/android/quickstep/views/IconView.java
+++ b/quickstep/src/com/android/quickstep/views/IconView.java
@@ -87,6 +87,14 @@
         return mDrawable;
     }
 
+    public int getDrawableWidth() {
+        return mDrawableWidth;
+    }
+
+    public int getDrawableHeight() {
+        return mDrawableHeight;
+    }
+
     @Override
     protected void onSizeChanged(int w, int h, int oldw, int oldh) {
         super.onSizeChanged(w, h, oldw, oldh);
diff --git a/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java b/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
index 3cba392..d001690 100644
--- a/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
@@ -21,7 +21,6 @@
 import static com.android.launcher3.LauncherState.OVERVIEW_MODAL_TASK;
 import static com.android.launcher3.LauncherState.OVERVIEW_SPLIT_SELECT;
 import static com.android.launcher3.LauncherState.SPRING_LOADED;
-import static com.android.quickstep.ViewUtils.postFrameDrawn;
 
 import android.annotation.TargetApi;
 import android.content.Context;
@@ -93,10 +92,6 @@
 
     @Override
     public void onStateTransitionStart(LauncherState toState) {
-        if (toState == NORMAL || toState == SPRING_LOADED) {
-            // Clean-up logic that occurs when recents is no longer in use/visible.
-            reset();
-        }
         setOverviewStateEnabled(toState.overviewUi);
         setOverviewGridEnabled(toState.displayOverviewTasksAsGrid(mActivity.getDeviceProfile()));
         setOverviewFullscreenEnabled(toState.getOverviewFullscreenProgress() == 1);
@@ -105,13 +100,17 @@
 
     @Override
     public void onStateTransitionComplete(LauncherState finalState) {
+        if (finalState == NORMAL || finalState == SPRING_LOADED) {
+            // Clean-up logic that occurs when recents is no longer in use/visible.
+            reset();
+        }
         boolean isOverlayEnabled = finalState == OVERVIEW || finalState == OVERVIEW_MODAL_TASK;
         setOverlayEnabled(isOverlayEnabled);
         setFreezeViewVisibility(false);
 
         if (isOverlayEnabled) {
-            postFrameDrawn(this, () -> runActionOnRemoteHandles(remoteTargetHandle ->
-                    remoteTargetHandle.getTaskViewSimulator().setDrawsBelowRecents(true)));
+            runActionOnRemoteHandles(remoteTargetHandle ->
+                    remoteTargetHandle.getTaskViewSimulator().setDrawsBelowRecents(true));
         }
     }
 
diff --git a/quickstep/src/com/android/quickstep/views/OverviewActionsView.java b/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
index f3b6a63..b6bf59f 100644
--- a/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
+++ b/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
@@ -20,7 +20,6 @@
 import android.content.res.Configuration;
 import android.graphics.Rect;
 import android.util.AttributeSet;
-import android.util.Log;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.FrameLayout;
@@ -31,7 +30,6 @@
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Insettable;
 import com.android.launcher3.R;
-import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.util.MultiValueAlpha;
 import com.android.launcher3.util.MultiValueAlpha.AlphaProperty;
 import com.android.quickstep.SysUINavigationMode;
@@ -114,10 +112,6 @@
     protected void onFinishInflate() {
         super.onFinishInflate();
         findViewById(R.id.action_screenshot).setOnClickListener(this);
-        if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.NO_SCREENSHOT, "Inflated OverviewActionsView and added screenshot"
-                    + " listener.");
-        }
 
         mSplitButton = findViewById(R.id.action_split);
         mSplitButton.setOnClickListener(this);
@@ -129,19 +123,11 @@
      * @param callbacks for callbacks, or {@code null} to clear the listener.
      */
     public void setCallbacks(T callbacks) {
-        if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.NO_SCREENSHOT, "OverviewActionsView setCallbacks: " + callbacks);
-        }
         mCallbacks = callbacks;
     }
 
     @Override
     public void onClick(View view) {
-        if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.NO_SCREENSHOT, "OverviewActionsView - onClick"
-                    + " callbacks: " + mCallbacks + "  view id: " + view.getId() + " "
-                    + " is screenshot? " + (view.getId() == R.id.action_screenshot));
-        }
         if (mCallbacks == null) {
             return;
         }
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index 7b5a6b9..eb657c1 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -107,6 +107,7 @@
 import android.widget.OverScroller;
 import android.widget.Toast;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.annotation.UiThread;
 import androidx.core.graphics.ColorUtils;
@@ -181,6 +182,7 @@
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
+import java.util.Objects;
 import java.util.function.Consumer;
 
 /**
@@ -747,7 +749,7 @@
 
             int primarySize = mOrientationHandler.getPrimaryValue(getWidth(), getHeight());
             int scroll = OverScroll.dampedScroll(getUndampedOverScrollShift(), primarySize);
-            mOrientationHandler.set(canvas, CANVAS_TRANSLATE, scroll);
+            mOrientationHandler.setPrimary(canvas, CANVAS_TRANSLATE, scroll);
 
             if (mOverScrollShift != scroll) {
                 mOverScrollShift = scroll;
@@ -822,7 +824,7 @@
     @Override
     public void onTaskIconChanged(String pkg, UserHandle user) {
         for (int i = 0; i < getTaskViewCount(); i++) {
-            TaskView tv = getTaskViewAt(i);
+            TaskView tv = requireTaskViewAt(i);
             Task task = tv.getTask();
             if (task != null && task.key != null && pkg.equals(task.key.getPackageName())
                     && task.key.userId == user.getIdentifier()) {
@@ -1104,7 +1106,7 @@
         }
 
         for (int i = 0; i < getTaskViewCount(); i++) {
-            TaskView taskView = getTaskViewAt(i);
+            TaskView taskView = requireTaskViewAt(i);
             int[] taskIds = taskView.getTaskIds();
             if (taskIds[0] == taskId || taskIds[1] == taskId) {
                 return taskView;
@@ -1181,7 +1183,7 @@
         if (showAsGrid()) {
             int taskCount = getTaskViewCount();
             for (int i = 0; i < taskCount; i++) {
-                TaskView taskView = getTaskViewAt(i);
+                TaskView taskView = requireTaskViewAt(i);
                 if (isTaskViewVisible(taskView) && taskView.offerTouchToChildren(ev)) {
                     // Keep consuming events to pass to delegate
                     return true;
@@ -1418,7 +1420,7 @@
             if (runningTaskId != -1) {
                 targetPage = indexOfChild(newRunningTaskView);
             } else if (getTaskViewCount() > 0) {
-                targetPage = indexOfChild(getTaskViewAt(0));
+                targetPage = indexOfChild(requireTaskViewAt(0));
             }
         } else if (currentTaskId != -1) {
             currentTaskView = getTaskViewByTaskId(currentTaskId);
@@ -1452,7 +1454,7 @@
 
     private void removeTasksViewsAndClearAllButton() {
         for (int i = getTaskViewCount() - 1; i >= 0; i--) {
-            removeView(getTaskViewAt(i));
+            removeView(requireTaskViewAt(i));
         }
         if (indexOfChild(mClearAllButton) != -1) {
             removeView(mClearAllButton);
@@ -1498,7 +1500,7 @@
 
     public void resetTaskVisuals() {
         for (int i = getTaskViewCount() - 1; i >= 0; i--) {
-            TaskView taskView = getTaskViewAt(i);
+            TaskView taskView = requireTaskViewAt(i);
             if (mIgnoreResetTaskId != taskView.getTaskIds()[0]) {
                 taskView.resetViewTransforms();
                 taskView.setIconScaleAndDim(mTaskIconScaledDown ? 0 : 1);
@@ -1529,7 +1531,7 @@
         mFullscreenProgress = fullscreenProgress;
         int taskCount = getTaskViewCount();
         for (int i = 0; i < taskCount; i++) {
-            getTaskViewAt(i).setFullscreenProgress(mFullscreenProgress);
+            requireTaskViewAt(i).setFullscreenProgress(mFullscreenProgress);
         }
         mClearAllButton.setFullscreenProgress(fullscreenProgress);
 
@@ -1656,7 +1658,7 @@
 
         float accumulatedTranslationX = 0;
         for (int i = 0; i < taskCount; i++) {
-            TaskView taskView = getTaskViewAt(i);
+            TaskView taskView = requireTaskViewAt(i);
             taskView.updateTaskSize();
             taskView.getPrimaryNonGridTranslationProperty().set(taskView, accumulatedTranslationX);
             taskView.getSecondaryNonGridTranslationProperty().set(taskView, 0f);
@@ -1802,7 +1804,7 @@
 
         // Update the task data for the in/visible children
         for (int i = 0; i < getTaskViewCount(); i++) {
-            TaskView taskView = getTaskViewAt(i);
+            TaskView taskView = requireTaskViewAt(i);
             Task task = taskView.getTask();
             int index = indexOfChild(taskView);
             boolean visible;
@@ -1897,6 +1899,7 @@
             remoteTargetHandle.getTransformParams().setTargetSet(null);
             remoteTargetHandle.getTaskViewSimulator().setDrawsBelowRecents(false);
         });
+        resetFromSplitSelectionState();
         mSplitSelectStateController.resetState();
 
         // These are relatively expensive and don't need to be done this frame (RecentsView isn't
@@ -1944,7 +1947,7 @@
         }
 
         for (int i = 0; i < getTaskViewCount(); i++) {
-            TaskView taskView = getTaskViewAt(i);
+            TaskView taskView = requireTaskViewAt(i);
             if (taskView.getTaskViewId() == taskViewId) {
                 return taskView;
             }
@@ -2042,7 +2045,7 @@
         int runningIndex = getCurrentPage();
         AnimatorSet as = new AnimatorSet();
         for (int i = 0; i < getTaskViewCount(); i++) {
-            View taskView = getTaskViewAt(i);
+            View taskView = requireTaskViewAt(i);
             if (runningIndex == i && taskView.getAlpha() != 0) {
                 continue;
             }
@@ -2053,7 +2056,7 @@
 
     private void updateChildTaskOrientations() {
         for (int i = 0; i < getTaskViewCount(); i++) {
-            getTaskViewAt(i).setOrientationState(mOrientationState);
+            requireTaskViewAt(i).setOrientationState(mOrientationState);
         }
         TaskMenuView tv = (TaskMenuView) getTopOpenViewWithType(mActivity, TYPE_TASK_MENU);
         if (tv != null) {
@@ -2258,7 +2261,7 @@
             mTaskIconScaledDown = isScaledDown;
             int taskCount = getTaskViewCount();
             for (int i = 0; i < taskCount; i++) {
-                getTaskViewAt(i).setIconScaleAndDim(mTaskIconScaledDown ? 0 : 1);
+                requireTaskViewAt(i).setIconScaleAndDim(mTaskIconScaledDown ? 0 : 1);
             }
         }
     }
@@ -2274,7 +2277,7 @@
         mTaskIconScaledDown = false;
         int taskCount = getTaskViewCount();
         for (int i = 0; i < taskCount; i++) {
-            TaskView taskView = getTaskViewAt(i);
+            TaskView taskView = requireTaskViewAt(i);
             taskView.setIconScaleAnimStartProgress(0f);
             taskView.animateIconScaleAndDimIntoView();
         }
@@ -2346,7 +2349,7 @@
             mTopRowIdSet.clear();
         }
         for (int i = 0; i < taskCount; i++) {
-            TaskView taskView = getTaskViewAt(i);
+            TaskView taskView = requireTaskViewAt(i);
             int taskWidthAndSpacing = taskView.getLayoutParams().width + mPageSpacing;
             // Evenly distribute tasks between rows unless rearranging due to task dismissal, in
             // which case keep tasks in their respective rows. For the running task, don't join
@@ -2411,7 +2414,7 @@
                         if (j == focusedTaskIndex) {
                             continue;
                         }
-                        widthOffset += getTaskViewAt(j).getLayoutParams().width + mPageSpacing;
+                        widthOffset += requireTaskViewAt(j).getLayoutParams().width + mPageSpacing;
                     }
 
                     float currentTaskTranslationX = mIsRtl ? widthOffset : -widthOffset;
@@ -2430,7 +2433,7 @@
                         if (j == focusedTaskIndex) {
                             continue;
                         }
-                        widthOffset += getTaskViewAt(j).getLayoutParams().width + mPageSpacing;
+                        widthOffset += requireTaskViewAt(j).getLayoutParams().width + mPageSpacing;
                     }
 
                     float currentTaskTranslationX = mIsRtl ? widthOffset : -widthOffset;
@@ -2508,7 +2511,7 @@
         }
 
         for (int i = 0; i < taskCount; i++) {
-            TaskView taskView = getTaskViewAt(i);
+            TaskView taskView = requireTaskViewAt(i);
             taskView.setGridTranslationX(gridTranslations[i] - snappedTaskGridTranslationX
                     + snappedTaskNonGridScrollAdjustment);
         }
@@ -2549,7 +2552,7 @@
         mGridProgress = gridProgress;
 
         for (int i = 0; i < taskCount; i++) {
-            getTaskViewAt(i).setGridProgress(gridProgress);
+            requireTaskViewAt(i).setGridProgress(gridProgress);
         }
         mClearAllButton.setGridProgress(gridProgress);
     }
@@ -2611,10 +2614,8 @@
                         clampToProgress(FINAL_FRAME, 0, 0.5f));
             });
         }
-        boolean isTaskInBottomGridRow = showAsGrid() && !mTopRowIdSet.contains(
-                taskView.getTaskViewId()) && taskView.getTaskViewId() != mFocusedTaskViewId;
         anim.setFloat(taskView, VIEW_ALPHA, 0,
-                clampToProgress(isTaskInBottomGridRow ? ACCEL : FINAL_FRAME, 0, 0.5f));
+                clampToProgress(isOnGridBottomRow(taskView) ? ACCEL : FINAL_FRAME, 0, 0.5f));
         FloatProperty<TaskView> secondaryViewTranslate =
                 taskView.getSecondaryDissmissTranslationProperty();
         int secondaryTaskDimension = mOrientationHandler.getSecondaryDimension(taskView);
@@ -2714,7 +2715,7 @@
                         mTopRowIdSet.size() > 0 && mTopRowIdSet.size() >= (taskCount - 1) / 2f;
                 // Pick the next focused task from the preferred row.
                 for (int i = 0; i < taskCount; i++) {
-                    TaskView taskView = getTaskViewAt(i);
+                    TaskView taskView = requireTaskViewAt(i);
                     if (taskView == dismissedTaskView) {
                         continue;
                     }
@@ -2817,7 +2818,7 @@
                                 + (taskCount - 1) * halfAdditionalDismissTranslationOffset,
                         END_DISMISS_TRANSLATION_INTERPOLATION_OFFSET, 1);
                 for (int i = 0; i < taskCount; i++) {
-                    TaskView taskView = getTaskViewAt(i);
+                    TaskView taskView = requireTaskViewAt(i);
                     anim.setFloat(taskView, TaskView.GRID_END_TRANSLATION_X, longGridRowWidthDiff,
                             clampToProgress(LINEAR, dismissTranslationInterpolationEnd, 1));
                     dismissTranslationInterpolationEnd = Utilities.boundToRange(
@@ -3119,14 +3120,10 @@
                         }
                     } else {
                         // Update focus task and its size.
-                        if (finalIsFocusedTaskDismissed) {
-                            if (finalNextFocusedTaskView != null) {
-                                mFocusedTaskViewId = finalNextFocusedTaskView.getTaskViewId();
-                                mTopRowIdSet.remove(mFocusedTaskViewId);
-                                finalNextFocusedTaskView.animateIconScaleAndDimIntoView();
-                            } else {
-                                mFocusedTaskViewId = -1;
-                            }
+                        if (finalIsFocusedTaskDismissed && finalNextFocusedTaskView != null) {
+                            mFocusedTaskViewId = finalNextFocusedTaskView.getTaskViewId();
+                            mTopRowIdSet.remove(mFocusedTaskViewId);
+                            finalNextFocusedTaskView.animateIconScaleAndDimIntoView();
                         }
                         updateTaskSize(/*isTaskDismissal=*/ true);
                         updateChildTaskOrientations();
@@ -3137,7 +3134,7 @@
                             // Rebalance tasks in the grid
                             int highestVisibleTaskIndex = getHighestVisibleTaskIndex();
                             if (highestVisibleTaskIndex < Integer.MAX_VALUE) {
-                                TaskView taskView = getTaskViewAt(highestVisibleTaskIndex);
+                                TaskView taskView = requireTaskViewAt(highestVisibleTaskIndex);
 
                                 boolean shouldRebalance;
                                 int screenStart = mOrientationHandler.getPrimaryScroll(
@@ -3190,6 +3187,7 @@
                                 }
                             }
                         }
+                        pageBeginTransition();
                         setCurrentPage(pageToSnapTo);
                         // Update various scroll-dependent UI.
                         dispatchScrollChanged();
@@ -3234,7 +3232,7 @@
         IntArray topArray = new IntArray(mTopRowIdSet.size());
         int taskViewCount = getTaskViewCount();
         for (int i = 0; i < taskViewCount; i++) {
-            int taskViewId = getTaskViewAt(i).getTaskViewId();
+            int taskViewId = requireTaskViewAt(i).getTaskViewId();
             if (mTopRowIdSet.contains(taskViewId)) {
                 topArray.add(taskViewId);
             }
@@ -3253,7 +3251,7 @@
         IntArray bottomArray = new IntArray(bottomRowIdArraySize);
         int taskViewCount = getTaskViewCount();
         for (int i = 0; i < taskViewCount; i++) {
-            int taskViewId = getTaskViewAt(i).getTaskViewId();
+            int taskViewId = requireTaskViewAt(i).getTaskViewId();
             if (!mTopRowIdSet.contains(taskViewId) && taskViewId != mFocusedTaskViewId) {
                 bottomArray.add(taskViewId);
             }
@@ -3323,7 +3321,7 @@
 
         int count = getTaskViewCount();
         for (int i = 0; i < count; i++) {
-            addDismissedTaskAnimations(getTaskViewAt(i), duration, anim);
+            addDismissedTaskAnimations(requireTaskViewAt(i), duration, anim);
         }
 
         mPendingAnimation = anim;
@@ -3446,7 +3444,7 @@
         mContentAlpha = alpha;
         int runningTaskId = getTaskIdsForRunningTaskView()[0];
         for (int i = getTaskViewCount() - 1; i >= 0; i--) {
-            TaskView child = getTaskViewAt(i);
+            TaskView child = requireTaskViewAt(i);
             int[] childTaskIds = child.getTaskIds();
             if (!mRunningTaskTileHidden ||
                     (childTaskIds[0] != runningTaskId && childTaskIds[1] != runningTaskId)) {
@@ -3547,6 +3545,14 @@
         return child instanceof TaskView ? (TaskView) child : null;
     }
 
+    /**
+     * A version of {@link #getTaskViewAt} when the caller is sure about the input index.
+     */
+    @NonNull
+    private TaskView requireTaskViewAt(int index) {
+        return Objects.requireNonNull(getTaskViewAt(index));
+    }
+
     public void setOnEmptyMessageUpdatedListener(OnEmptyMessageUpdatedListener listener) {
         mOnEmptyMessageUpdatedListener = listener;
     }
@@ -3763,7 +3769,7 @@
     protected void setTaskViewsResistanceTranslation(float translation) {
         mTaskViewsSecondaryTranslation = translation;
         for (int i = 0; i < getTaskViewCount(); i++) {
-            TaskView task = getTaskViewAt(i);
+            TaskView task = requireTaskViewAt(i);
             task.getTaskResistanceTranslationProperty().set(task, translation / getScaleY());
         }
         runActionOnRemoteHandles(
@@ -3773,14 +3779,14 @@
 
     private void updateTaskViewsSnapshotRadius() {
         for (int i = 0; i < getTaskViewCount(); i++) {
-            getTaskViewAt(i).updateSnapshotRadius();
+            requireTaskViewAt(i).updateSnapshotRadius();
         }
     }
 
     protected void setTaskViewsPrimarySplitTranslation(float translation) {
         mTaskViewsPrimarySplitTranslation = translation;
         for (int i = 0; i < getTaskViewCount(); i++) {
-            TaskView task = getTaskViewAt(i);
+            TaskView task = requireTaskViewAt(i);
             task.getPrimarySplitTranslationProperty().set(task, translation);
         }
     }
@@ -3788,7 +3794,7 @@
     protected void setTaskViewsSecondarySplitTranslation(float translation) {
         mTaskViewsSecondarySplitTranslation = translation;
         for (int i = 0; i < getTaskViewCount(); i++) {
-            TaskView taskView = getTaskViewAt(i);
+            TaskView taskView = requireTaskViewAt(i);
             if (taskView == mSplitHiddenTaskView) {
                 continue;
             }
@@ -3802,7 +3808,7 @@
     public void applySplitPrimaryScrollOffset() {
         if (isSplitPlaceholderFirstInGrid()) {
             for (int i = 0; i < getTaskViewCount(); i++) {
-                getTaskViewAt(i).setSplitScrollOffsetPrimary(mSplitPlaceholderSize);
+                requireTaskViewAt(i).setSplitScrollOffsetPrimary(mSplitPlaceholderSize);
             }
         } else if (isSplitPlaceholderLastInGrid()) {
             mClearAllButton.setSplitSelectScrollOffsetPrimary(-mSplitPlaceholderSize);
@@ -3844,7 +3850,7 @@
      */
     public void resetSplitPrimaryScrollOffset() {
         for (int i = 0; i < getTaskViewCount(); i++) {
-            getTaskViewAt(i).setSplitScrollOffsetPrimary(0);
+            requireTaskViewAt(i).setSplitScrollOffsetPrimary(0);
         }
         mClearAllButton.setSplitSelectScrollOffsetPrimary(0);
     }
@@ -4020,6 +4026,7 @@
                 //  * Focused Task
                 updateGridProperties();
                 resetFromSplitSelectionState();
+                updateScrollSynchronously();
             }
         });
 
@@ -4028,7 +4035,7 @@
 
     /** TODO(b/181707736) More gracefully handle exiting split selection state */
     private void resetFromSplitSelectionState() {
-        if (!showAsGrid()) {
+        if (!mActivity.getDeviceProfile().overviewShowAsGrid) {
             int pageToSnapTo = mCurrentPage;
             if (mSplitHiddenTaskViewIndex <= pageToSnapTo) {
                 pageToSnapTo += 1;
@@ -4041,7 +4048,6 @@
         resetTaskVisuals();
         mSplitHiddenTaskViewIndex = -1;
         if (mSplitHiddenTaskView != null) {
-            mSplitHiddenTaskView.setTranslationY(0);
             mSplitHiddenTaskView.setVisibility(VISIBLE);
             mSplitHiddenTaskView = null;
         }
@@ -4071,8 +4077,8 @@
         mTaskViewDeadZoneRect.setEmpty();
         int count = getTaskViewCount();
         if (count > 0) {
-            final View taskView = getTaskViewAt(0);
-            getTaskViewAt(count - 1).getHitRect(mTaskViewDeadZoneRect);
+            final View taskView = requireTaskViewAt(0);
+            requireTaskViewAt(count - 1).getHitRect(mTaskViewDeadZoneRect);
             mTaskViewDeadZoneRect.union(taskView.getLeft(), taskView.getTop(), taskView.getRight(),
                     taskView.getBottom());
         }
@@ -4356,15 +4362,22 @@
         RemoteTargetGluer gluer = new RemoteTargetGluer(getContext(), getSizeStrategy());
         mRemoteTargetHandles = gluer.assignTargetsForSplitScreen(recentsAnimationTargets);
         mSplitBoundsConfig = gluer.getStagedSplitBounds();
-        if (mSyncTransactionApplier != null) {
-            // Add release check to the targets from the RemoteTargetGluer and not the targets
-            // passed in because in the event we're in split screen, we use the passed in targets
-            // to create new RemoteAnimationTargets in assignTargetsForSplitScreen(), and the
-            // mSyncTransactionApplier doesn't get transferred over
-            runActionOnRemoteHandles(remoteTargetHandle -> remoteTargetHandle
-                    .getTransformParams().getTargetSet()
-                    .addReleaseCheck(mSyncTransactionApplier));
-        }
+        // Add release check to the targets from the RemoteTargetGluer and not the targets
+        // passed in because in the event we're in split screen, we use the passed in targets
+        // to create new RemoteAnimationTargets in assignTargetsForSplitScreen(), and the
+        // mSyncTransactionApplier doesn't get transferred over
+        runActionOnRemoteHandles(remoteTargetHandle -> {
+            final TransformParams params = remoteTargetHandle.getTransformParams();
+            if (mSyncTransactionApplier != null) {
+                params.setSyncTransactionApplier(mSyncTransactionApplier);
+                params.getTargetSet().addReleaseCheck(mSyncTransactionApplier);
+            }
+
+            TaskViewSimulator tvs = remoteTargetHandle.getTaskViewSimulator();
+            tvs.setOrientationState(mOrientationState);
+            tvs.setDp(mActivity.getDeviceProfile());
+            tvs.recentsViewScale.value = 1;
+        });
 
         TaskView runningTaskView = getRunningTaskView();
         if (runningTaskView instanceof GroupedTaskView) {
@@ -4374,12 +4387,6 @@
             // notified.
             ((GroupedTaskView) runningTaskView).updateSplitBoundsConfig(mSplitBoundsConfig);
         }
-        for (RemoteTargetHandle remoteTargetHandle : mRemoteTargetHandles) {
-            TaskViewSimulator tvs = remoteTargetHandle.getTaskViewSimulator();
-            tvs.setOrientationState(mOrientationState);
-            tvs.setDp(mActivity.getDeviceProfile());
-            tvs.recentsViewScale.value = 1;
-        }
     }
 
     /** Helper to avoid writing some for-loops to iterate over {@link #mRemoteTargetHandles} */
@@ -4501,9 +4508,8 @@
     }
 
     private int getFirstViewIndex() {
-        return mShowAsGridLastOnLayout && mFocusedTaskViewId != -1
-                ? indexOfChild(getFocusedTaskView())
-                : 0;
+        TaskView focusedTaskView = mShowAsGridLastOnLayout ? getFocusedTaskView() : null;
+        return focusedTaskView != null ? indexOfChild(focusedTaskView) : 0;
     }
 
     private int getLastViewIndex() {
@@ -4553,7 +4559,7 @@
 
         final int taskCount = getTaskViewCount();
         for (int i = 0; i < taskCount; i++) {
-            TaskView taskView = getTaskViewAt(i);
+            TaskView taskView = requireTaskViewAt(i);
             float scrollDiff = taskView.getScrollAdjustment(showAsFullscreen, showAsGrid);
             int pageScroll = newPageScrolls[i] + (int) scrollDiff;
             if ((mIsRtl && pageScroll < clearAllScroll + clearAllWidth)
@@ -4679,6 +4685,15 @@
         return position != -1 ? position : bottomRowIdArray.indexOf(taskView.getTaskViewId());
     }
 
+    /**
+     * @return true if the task in on the top of the grid
+     */
+    public boolean isOnGridBottomRow(TaskView taskView) {
+        return showAsGrid()
+                && !mTopRowIdSet.contains(taskView.getTaskViewId())
+                && taskView.getTaskViewId() != mFocusedTaskViewId;
+    }
+
     public Consumer<MotionEvent> getEventDispatcher(float navbarRotation) {
         float degreesRotated;
         if (navbarRotation == 0) {
@@ -4712,7 +4727,7 @@
         int overlayEnabledPage = mOverlayEnabled ? getNextPage() : -1;
         int taskCount = getTaskViewCount();
         for (int i = 0; i < taskCount; i++) {
-            getTaskViewAt(i).setOverlayEnabled(i == overlayEnabledPage);
+            requireTaskViewAt(i).setOverlayEnabled(i == overlayEnabledPage);
         }
     }
 
@@ -4866,7 +4881,7 @@
         mColorTint = tintAmount;
 
         for (int i = 0; i < getTaskViewCount(); i++) {
-            getTaskViewAt(i).setColorTint(mColorTint, mTintingColor);
+            requireTaskViewAt(i).setColorTint(mColorTint, mTintingColor);
         }
 
         Drawable scrimBg = mActivity.getScrimView().getBackground();
diff --git a/quickstep/src/com/android/quickstep/views/TaskMenuViewWithArrow.kt b/quickstep/src/com/android/quickstep/views/TaskMenuViewWithArrow.kt
index 5059f8b..06a5793 100644
--- a/quickstep/src/com/android/quickstep/views/TaskMenuViewWithArrow.kt
+++ b/quickstep/src/com/android/quickstep/views/TaskMenuViewWithArrow.kt
@@ -23,14 +23,18 @@
 import android.graphics.drawable.ShapeDrawable
 import android.graphics.drawable.shapes.RectShape
 import android.util.AttributeSet
+import android.view.Gravity
 import android.view.MotionEvent
 import android.view.View
 import android.view.ViewGroup
+import android.widget.FrameLayout
 import android.widget.LinearLayout
 import com.android.launcher3.BaseDraggingActivity
 import com.android.launcher3.DeviceProfile
+import com.android.launcher3.InsettableFrameLayout
 import com.android.launcher3.R
 import com.android.launcher3.popup.ArrowPopup
+import com.android.launcher3.popup.RoundedArrowDrawable
 import com.android.launcher3.popup.SystemShortcut
 import com.android.launcher3.util.Themes
 import com.android.quickstep.KtR
@@ -41,34 +45,66 @@
     companion object {
         const val TAG = "TaskMenuViewWithArrow"
 
-        fun showForTask(taskContainer: TaskIdAttributeContainer): Boolean {
+        fun showForTask(
+            taskContainer: TaskIdAttributeContainer,
+            alignSecondRow: Boolean = false
+        ): Boolean {
             val activity = BaseDraggingActivity
-                    .fromContext<BaseDraggingActivity>(taskContainer.taskView.context)
+                .fromContext<BaseDraggingActivity>(taskContainer.taskView.context)
             val taskMenuViewWithArrow = activity.layoutInflater
-                    .inflate(KtR.layout.task_menu_with_arrow, activity.dragLayer, false) as TaskMenuViewWithArrow<*>
+                .inflate(
+                    KtR.layout.task_menu_with_arrow,
+                    activity.dragLayer,
+                    false
+                ) as TaskMenuViewWithArrow<*>
 
-            return taskMenuViewWithArrow.populateAndShowForTask(taskContainer)
+            return taskMenuViewWithArrow.populateAndShowForTask(taskContainer, alignSecondRow)
         }
     }
 
     constructor(context: Context) : super(context)
     constructor(context: Context, attrs: AttributeSet) : super(context, attrs)
-    constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr)
+    constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(
+        context,
+        attrs,
+        defStyleAttr
+    )
 
     init {
         clipToOutline = true
+
+        shouldScaleArrow = true
+        // This synchronizes the arrow and menu to open at the same time
+        OPEN_CHILD_FADE_START_DELAY = OPEN_FADE_START_DELAY
+        OPEN_CHILD_FADE_DURATION = OPEN_FADE_DURATION
+        CLOSE_FADE_START_DELAY = CLOSE_CHILD_FADE_START_DELAY
+        CLOSE_FADE_DURATION = CLOSE_CHILD_FADE_DURATION
     }
 
+    private var alignSecondRow: Boolean = false
+    private val extraSpaceForSecondRowAlignment: Int
+        get() = if (alignSecondRow) optionMeasuredHeight else 0
     private val menuWidth = context.resources.getDimensionPixelSize(R.dimen.task_menu_width_grid)
 
     private lateinit var taskView: TaskView
     private lateinit var optionLayout: LinearLayout
     private lateinit var taskContainer: TaskIdAttributeContainer
 
+    private var optionMeasuredHeight = 0
+    private val arrowHorizontalPadding: Int
+        get() = if (taskView.isFocusedTask)
+            resources.getDimensionPixelSize(KtR.dimen.task_menu_horizontal_padding)
+        else
+            0
+
+    private var iconView: IconView? = null
+    private var scrim: View? = null
+    private val scrimAlpha = 0.8f
+
     override fun isOfType(type: Int): Boolean = type and TYPE_TASK_MENU != 0
 
     override fun getTargetObjectLocation(outPos: Rect?) {
-        popupContainer.getDescendantRectRelativeToSelf(taskView.iconView, outPos)
+        popupContainer.getDescendantRectRelativeToSelf(taskContainer.iconView, outPos)
     }
 
     override fun onControllerInterceptTouchEvent(ev: MotionEvent?): Boolean {
@@ -86,18 +122,35 @@
         optionLayout = findViewById(KtR.id.menu_option_layout)
     }
 
-    private fun populateAndShowForTask(taskContainer: TaskIdAttributeContainer): Boolean {
+    private fun populateAndShowForTask(
+        taskContainer: TaskIdAttributeContainer,
+        alignSecondRow: Boolean
+    ): Boolean {
         if (isAttachedToWindow) {
             return false
         }
 
         taskView = taskContainer.taskView
         this.taskContainer = taskContainer
+        this.alignSecondRow = alignSecondRow
         if (!populateMenu()) return false
+        addScrim()
         show()
         return true
     }
 
+    private fun addScrim() {
+        scrim = View(context).apply {
+            layoutParams = FrameLayout.LayoutParams(
+                FrameLayout.LayoutParams.MATCH_PARENT,
+                FrameLayout.LayoutParams.MATCH_PARENT
+            )
+            setBackgroundColor(Themes.getAttrColor(context, R.attr.overviewScrimColor))
+            alpha = 0f
+        }
+        popupContainer.addView(scrim)
+    }
+
     /** @return true if successfully able to populate task view menu, false otherwise
      */
     private fun populateMenu(): Boolean {
@@ -147,21 +200,145 @@
     }
 
     override fun assignMarginsAndBackgrounds(viewGroup: ViewGroup) {
-        assignMarginsAndBackgrounds(this, Themes.getAttrColor(context, com.android.internal.R.attr.colorSurface))
+        assignMarginsAndBackgrounds(
+            this,
+            Themes.getAttrColor(context, com.android.internal.R.attr.colorSurface)
+        )
     }
 
     override fun onCreateOpenAnimation(anim: AnimatorSet) {
-        anim.play(
-            ObjectAnimator.ofFloat(
-                taskContainer.thumbnailView, TaskThumbnailView.DIM_ALPHA,
-                TaskView.MAX_PAGE_SCRIM_ALPHA
+        scrim?.let {
+            anim.play(
+                ObjectAnimator.ofFloat(it, View.ALPHA, 0f, scrimAlpha)
+                    .setDuration(OPEN_DURATION.toLong())
             )
-        )
+        }
     }
 
     override fun onCreateCloseAnimation(anim: AnimatorSet) {
-        anim.play(
-            ObjectAnimator.ofFloat(taskContainer.thumbnailView, TaskThumbnailView.DIM_ALPHA, 0f)
-        )
+        scrim?.let {
+            anim.play(
+                ObjectAnimator.ofFloat(it, View.ALPHA, scrimAlpha, 0f)
+                    .setDuration(CLOSE_DURATION.toLong())
+            )
+        }
     }
+
+    override fun closeComplete() {
+        super.closeComplete()
+        popupContainer.removeView(scrim)
+        popupContainer.removeView(iconView)
+    }
+
+    /**
+     * Copy the iconView from taskView to dragLayer so it can stay on top of the scrim.
+     * It needs to be called after [getTargetObjectLocation] because [mTempRect] needs to be
+     * populated.
+     */
+    private fun copyIconToDragLayer(insets: Rect) {
+        iconView = IconView(context).apply {
+            layoutParams = FrameLayout.LayoutParams(
+                taskContainer.iconView.width,
+                taskContainer.iconView.height
+            )
+            x = mTempRect.left.toFloat() - insets.left
+            y = mTempRect.top.toFloat() - insets.top
+            drawable = taskContainer.iconView.drawable
+            setDrawableSize(
+                taskContainer.iconView.drawableWidth,
+                taskContainer.iconView.drawableHeight
+            )
+        }
+
+        popupContainer.addView(iconView)
+    }
+
+    /**
+     * Orients this container to the left or right of the given icon, aligning with the first option
+     * or second.
+     *
+     * These are the preferred orientations, in order (RTL prefers right-aligned over left):
+     * - Right and first option aligned
+     * - Right and second option aligned
+     * - Left and first option aligned
+     * - Left and second option aligned
+     *
+     * So we always align right if there is enough horizontal space
+     */
+    override fun orientAboutObject() {
+        measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED)
+        // Needed for offsets later
+        optionMeasuredHeight = optionLayout.getChildAt(0).measuredHeight
+        val extraHorizontalSpace = (mArrowHeight + mArrowOffsetVertical + arrowHorizontalPadding)
+
+        val widthWithArrow = measuredWidth + paddingLeft + paddingRight + extraHorizontalSpace
+        getTargetObjectLocation(mTempRect)
+        val dragLayer: InsettableFrameLayout = popupContainer
+        val insets = dragLayer.insets
+
+        copyIconToDragLayer(insets)
+
+        // Put this menu to the right of the icon if there is space,
+        // which means the arrow is left aligned with the menu
+        val rightAlignedMenuStartX = mTempRect.left - widthWithArrow
+        val leftAlignedMenuStartX = mTempRect.right + extraHorizontalSpace
+        mIsLeftAligned = if (mIsRtl) {
+            rightAlignedMenuStartX + insets.left < 0
+        } else {
+            leftAlignedMenuStartX + (widthWithArrow - extraHorizontalSpace) + insets.left <
+                    dragLayer.width - insets.right
+        }
+
+        var menuStartX = if (mIsLeftAligned) leftAlignedMenuStartX else rightAlignedMenuStartX
+
+        // Offset y so that the arrow and row are center-aligned with the original icon.
+        val iconHeight = mTempRect.height()
+        val yOffset = (optionMeasuredHeight - iconHeight) / 2
+        var menuStartY = mTempRect.top - yOffset - extraSpaceForSecondRowAlignment
+
+        // Insets are added later, so subtract them now.
+        menuStartX -= insets.left
+        menuStartY -= insets.top
+
+        x = menuStartX.toFloat()
+        y = menuStartY.toFloat()
+
+        val lp = layoutParams as FrameLayout.LayoutParams
+        val arrowLp = mArrow.layoutParams as FrameLayout.LayoutParams
+        lp.gravity = Gravity.TOP
+        arrowLp.gravity = lp.gravity
+    }
+
+    override fun addArrow() {
+        popupContainer.addView(mArrow)
+        mArrow.x = getArrowX()
+        mArrow.y = y + (optionMeasuredHeight / 2) - (mArrowHeight / 2) +
+                extraSpaceForSecondRowAlignment
+
+        updateArrowColor()
+
+        // This is inverted (x = height, y = width) because the arrow is rotated
+        mArrow.pivotX = if (mIsLeftAligned) 0f else mArrowHeight.toFloat()
+        mArrow.pivotY = 0f
+    }
+
+    private fun getArrowX(): Float {
+        return if (mIsLeftAligned)
+            x - mArrowHeight
+        else
+            x + measuredWidth + mArrowOffsetVertical
+    }
+
+    override fun updateArrowColor() {
+        mArrow.background = RoundedArrowDrawable(
+            mArrowWidth.toFloat(),
+            mArrowHeight.toFloat(),
+            mArrowPointRadius.toFloat(),
+            mIsLeftAligned,
+            mArrowColor
+        )
+        elevation = mElevation
+        mArrow.elevation = mElevation
+    }
+
 }
\ No newline at end of file
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.java b/quickstep/src/com/android/quickstep/views/TaskView.java
index 67128f0..e8077cf 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskView.java
@@ -30,6 +30,7 @@
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TASK_LAUNCH_TAP;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
+import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_BOTTOM_OR_RIGHT;
 import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_UNDEFINED;
 
 import static java.lang.annotation.RetentionPolicy.SOURCE;
@@ -38,6 +39,7 @@
 import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
 import android.animation.ObjectAnimator;
+import android.annotation.IdRes;
 import android.app.ActivityOptions;
 import android.content.Context;
 import android.content.Intent;
@@ -539,7 +541,7 @@
         mTask = task;
         mTaskIdContainer[0] = mTask.key.id;
         mTaskIdAttributeContainer[0] = new TaskIdAttributeContainer(task, mSnapshotView,
-                STAGE_POSITION_UNDEFINED);
+                mIconView, STAGE_POSITION_UNDEFINED);
         mSnapshotView.bind(task);
         setOrientationState(orientedState);
     }
@@ -837,10 +839,14 @@
     }
 
     protected boolean showTaskMenuWithContainer(IconView iconView) {
+        TaskIdAttributeContainer menuContainer =
+                mTaskIdAttributeContainer[iconView == mIconView ? 0 : 1];
         if (mActivity.getDeviceProfile().overviewShowAsGrid) {
-            return TaskMenuViewWithArrow.Companion.showForTask(mTaskIdAttributeContainer[0]);
+            boolean alignSecondRow = getRecentsView().isOnGridBottomRow(menuContainer.getTaskView())
+                    && mActivity.getDeviceProfile().isLandscape;
+            return TaskMenuViewWithArrow.Companion.showForTask(menuContainer, alignSecondRow);
         } else {
-            return TaskMenuView.showForTask(mTaskIdAttributeContainer[0]);
+            return TaskMenuView.showForTask(menuContainer);
         }
     }
 
@@ -1300,10 +1306,14 @@
                         getContext().getText(R.string.accessibility_close)));
 
         final Context context = getContext();
-        // TODO(b/200609838) Determine which task to run A11y action on when in split screen
-        for (SystemShortcut s : TaskOverlayFactory.getEnabledShortcuts(this,
-                mActivity.getDeviceProfile(), mTaskIdAttributeContainer[0])) {
-            info.addAction(s.createAccessibilityAction(context));
+        for (TaskIdAttributeContainer taskContainer : mTaskIdAttributeContainer) {
+            if (taskContainer == null) {
+                continue;
+            }
+            for (SystemShortcut s : TaskOverlayFactory.getEnabledShortcuts(this,
+                    mActivity.getDeviceProfile(), taskContainer)) {
+                info.addAction(s.createAccessibilityAction(context));
+            }
         }
 
         if (mDigitalWellBeingToast.hasLimit()) {
@@ -1334,12 +1344,16 @@
             return true;
         }
 
-        // TODO(b/200609838) Determine which task to run A11y action on when in split screen
-        for (SystemShortcut s : TaskOverlayFactory.getEnabledShortcuts(this,
-                mActivity.getDeviceProfile(), mTaskIdAttributeContainer[0])) {
-            if (s.hasHandlerForAction(action)) {
-                s.onClick(this);
-                return true;
+        for (TaskIdAttributeContainer taskContainer : mTaskIdAttributeContainer) {
+            if (taskContainer == null) {
+                continue;
+            }
+            for (SystemShortcut s : TaskOverlayFactory.getEnabledShortcuts(this,
+                    mActivity.getDeviceProfile(), taskContainer)) {
+                if (s.hasHandlerForAction(action)) {
+                    s.onClick(this);
+                    return true;
+                }
             }
         }
 
@@ -1556,20 +1570,25 @@
                 mScale = previewWidth / (previewWidth + currentInsetsLeft + currentInsetsRight);
             }
         }
-
     }
 
     public class TaskIdAttributeContainer {
         private final TaskThumbnailView mThumbnailView;
         private final Task mTask;
+        private final IconView mIconView;
         /** Defaults to STAGE_POSITION_UNDEFINED if in not a split screen task view */
         private @SplitConfigurationOptions.StagePosition int mStagePosition;
+        @IdRes
+        private final int mA11yNodeId;
 
         public TaskIdAttributeContainer(Task task, TaskThumbnailView thumbnailView,
-                int stagePosition) {
+                IconView iconView, int stagePosition) {
             this.mTask = task;
             this.mThumbnailView = thumbnailView;
+            this.mIconView = iconView;
             this.mStagePosition = stagePosition;
+            this.mA11yNodeId = (stagePosition == STAGE_POSITION_BOTTOM_OR_RIGHT) ?
+                    R.id.split_bottomRight_appInfo : R.id.split_topLeft_appInfo;
         }
 
         public TaskThumbnailView getThumbnailView() {
@@ -1588,6 +1607,10 @@
             return TaskView.this;
         }
 
+        public IconView getIconView() {
+            return mIconView;
+        }
+
         public int getStagePosition() {
             return mStagePosition;
         }
@@ -1595,5 +1618,9 @@
         void setStagePosition(@SplitConfigurationOptions.StagePosition int stagePosition) {
             this.mStagePosition = stagePosition;
         }
+
+        public int getA11yNodeId() {
+            return mA11yNodeId;
+        }
     }
 }
diff --git a/res/layout/floating_split_select_view.xml b/res/layout/floating_split_select_view.xml
index e184b91..8d47f4e 100644
--- a/res/layout/floating_split_select_view.xml
+++ b/res/layout/floating_split_select_view.xml
@@ -14,7 +14,7 @@
         android:id="@+id/split_placeholder"
         android:layout_width="match_parent"
         android:layout_height="@dimen/split_placeholder_size"
-        android:background="@android:color/white"
+        android:background="?android:colorPrimary"
         android:visibility="gone" />
 
 </com.android.quickstep.views.FloatingTaskView>
\ No newline at end of file
diff --git a/res/values-it/strings.xml b/res/values-it/strings.xml
index 3758093..0235ef0 100644
--- a/res/values-it/strings.xml
+++ b/res/values-it/strings.xml
@@ -36,8 +36,8 @@
     <string name="add_item_request_drag_hint" msgid="5653291305078645405">"Tocca e tieni premuto il widget per spostarlo nella schermata Home"</string>
     <string name="add_to_home_screen" msgid="8631549138215492708">"Aggiungi a schermata Home"</string>
     <string name="added_to_home_screen_accessibility_text" msgid="4451545765448884415">"Widget <xliff:g id="WIDGET_NAME">%1$s</xliff:g> aggiunto alla schermata Home"</string>
-    <string name="widgets_count" msgid="6467746476364652096">"{count,plural, =1{# widget}other{# widget}}"</string>
-    <string name="shortcuts_count" msgid="8471715556199592381">"{count,plural, =1{# scorciatoia}other{# scorciatoie}}"</string>
+    <string name="widgets_count" msgid="6467746476364652096">"{count,plural, =1{# widget}one{# widget}other{# widget}}"</string>
+    <string name="shortcuts_count" msgid="8471715556199592381">"{count,plural, =1{# scorciatoia}one{# scorciatoia}other{# scorciatoie}}"</string>
     <string name="widgets_and_shortcuts_count" msgid="7209136747878365116">"<xliff:g id="WIDGETS_COUNT">%1$s</xliff:g>, <xliff:g id="SHORTCUTS_COUNT">%2$s</xliff:g>"</string>
     <string name="widget_button_text" msgid="2880537293434387943">"Widget"</string>
     <string name="widgets_full_sheet_search_bar_hint" msgid="8484659090860596457">"Cerca"</string>
@@ -86,7 +86,7 @@
     <string name="uninstall_system_app_text" msgid="4172046090762920660">"Questa è un\'app di sistema e non può essere disinstallata."</string>
     <string name="folder_hint_text" msgid="5174843001373488816">"Modifica nome"</string>
     <string name="disabled_app_label" msgid="6673129024321402780">"App <xliff:g id="APP_NAME">%1$s</xliff:g> disattivata"</string>
-    <string name="dotted_app_label" msgid="1704091277755818896">"{count,plural,offset:1 =1{{app_name} ha # notifica}other{{app_name} ha # notifiche}}"</string>
+    <string name="dotted_app_label" msgid="1704091277755818896">"{count,plural,offset:1 =1{{app_name} ha # notifica}one{{app_name} ha # notifica}other{{app_name} ha # notifiche}}"</string>
     <string name="default_scroll_format" msgid="7475544710230993317">"Pagina %1$d di %2$d"</string>
     <string name="workspace_scroll_format" msgid="8458889198184077399">"Schermata Home %1$d di %2$d"</string>
     <string name="workspace_new_page" msgid="257366611030256142">"Nuova pagina Schermata Home"</string>
diff --git a/res/values-pt-rPT/strings.xml b/res/values-pt-rPT/strings.xml
index 09a1200..a3c225a 100644
--- a/res/values-pt-rPT/strings.xml
+++ b/res/values-pt-rPT/strings.xml
@@ -36,8 +36,8 @@
     <string name="add_item_request_drag_hint" msgid="5653291305078645405">"Toque sem soltar no widget para o mover à volta do ecrã principal"</string>
     <string name="add_to_home_screen" msgid="8631549138215492708">"Adicionar ao ecrã principal"</string>
     <string name="added_to_home_screen_accessibility_text" msgid="4451545765448884415">"Widget <xliff:g id="WIDGET_NAME">%1$s</xliff:g> adicionado ao ecrã principal"</string>
-    <string name="widgets_count" msgid="6467746476364652096">"{count,plural, =1{# widget}other{# widgets}}"</string>
-    <string name="shortcuts_count" msgid="8471715556199592381">"{count,plural, =1{# atalho}other{# atalhos}}"</string>
+    <string name="widgets_count" msgid="6467746476364652096">"{count,plural, =1{# widget}one{# widget(s)}other{# widgets}}"</string>
+    <string name="shortcuts_count" msgid="8471715556199592381">"{count,plural, =1{# atalho}one{# atalho(s)}other{# atalhos}}"</string>
     <string name="widgets_and_shortcuts_count" msgid="7209136747878365116">"<xliff:g id="WIDGETS_COUNT">%1$s</xliff:g>, <xliff:g id="SHORTCUTS_COUNT">%2$s</xliff:g>"</string>
     <string name="widget_button_text" msgid="2880537293434387943">"Widgets"</string>
     <string name="widgets_full_sheet_search_bar_hint" msgid="8484659090860596457">"Pesquisar"</string>
@@ -86,7 +86,7 @@
     <string name="uninstall_system_app_text" msgid="4172046090762920660">"É uma app de sistema e não pode ser desinstalada."</string>
     <string name="folder_hint_text" msgid="5174843001373488816">"Edite o nome"</string>
     <string name="disabled_app_label" msgid="6673129024321402780">"<xliff:g id="APP_NAME">%1$s</xliff:g> desativado"</string>
-    <string name="dotted_app_label" msgid="1704091277755818896">"{count,plural,offset:1 =1{A app {app_name} tem # notificação}other{A app {app_name} tem # notificações}}"</string>
+    <string name="dotted_app_label" msgid="1704091277755818896">"{count,plural,offset:1 =1{A app {app_name} tem # notificação}one{A app {app_name} tem # notificação(ões)}other{A app {app_name} tem # notificações}}"</string>
     <string name="default_scroll_format" msgid="7475544710230993317">"Página %1$d de %2$d"</string>
     <string name="workspace_scroll_format" msgid="8458889198184077399">"Ecrã principal %1$d de %2$d"</string>
     <string name="workspace_new_page" msgid="257366611030256142">"Nova página do ecrã principal"</string>
diff --git a/res/values/config.xml b/res/values/config.xml
index 25911e6..d5629b5 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -87,6 +87,8 @@
 
     <!-- Default packages -->
     <string name="wallpaper_picker_package" translatable="false"></string>
+    <string name="custom_activity_picker" translatable="false">
+        com.android.customization.picker.CustomizationPickerActivity</string>
     <string name="local_colors_extraction_class" translatable="false"></string>
 
     <!-- Accessibility actions -->
diff --git a/res/values/id.xml b/res/values/id.xml
index ebc4075..508caff 100644
--- a/res/values/id.xml
+++ b/res/values/id.xml
@@ -21,6 +21,10 @@
     <item type="id" name="view_type_widgets_list" />
     <item type="id" name="view_type_widgets_header" />
     <item type="id" name="view_type_widgets_search_header" />
+    <!--  Used for A11y actions in staged split to identify each task uniquely  -->
+    <item type="id" name="split_topLeft_appInfo" />
+    <item type="id" name="split_bottomRight_appInfo" />
+
 
     <!--  Do not change, must be kept in sync with sysui navbar button IDs for tests!  -->
     <item type="id" name="home" />
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 5f53d4e..868b5f3 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -40,9 +40,10 @@
     <!-- Options for recent tasks -->
     <!-- Title for an option to enter split screen mode for a given app -->
     <string name="recent_task_option_split_screen">Split screen</string>
-    <string translatable="false" name="split_screen_position_top">Split top</string>
-    <string translatable="false" name="split_screen_position_left">Split left</string>
-    <string translatable="false" name="split_screen_position_right">Split right</string>
+    <string name="split_screen_position_top">Split top</string>
+    <string name="split_screen_position_left">Split left</string>
+    <string name="split_screen_position_right">Split right</string>
+    <string name="split_app_info_accessibility">App info for %1$s</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/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index 21b0edc..9fad2eb 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -16,13 +16,10 @@
 
 package com.android.launcher3;
 
-import static android.util.DisplayMetrics.DENSITY_DEVICE_STABLE;
-
 import static com.android.launcher3.ResourceUtils.pxFromDp;
 import static com.android.launcher3.Utilities.dpiFromPx;
 import static com.android.launcher3.Utilities.pxFromSp;
 import static com.android.launcher3.folder.ClippedFolderIconLayoutRule.ICON_OVERLAP_FACTOR;
-import static com.android.launcher3.util.WindowManagerCompat.MIN_TABLET_WIDTH;
 
 import android.annotation.SuppressLint;
 import android.content.Context;
@@ -64,7 +61,6 @@
     public final boolean isPhone;
     public final boolean transposeLayoutWithOrientation;
     public final boolean isTwoPanels;
-    public final boolean allowRotation;
 
     // Device properties in current orientation
     public final boolean isLandscape;
@@ -244,12 +240,7 @@
         availableHeightPx = windowBounds.availableSize.y;
 
         mInfo = info;
-        // If the device's pixel density was scaled (usually via settings for A11y), use the
-        // original dimensions to determine if rotation is allowed of not.
-        float originalSmallestWidth = dpiFromPx(Math.min(widthPx, heightPx), DENSITY_DEVICE_STABLE);
-        allowRotation = originalSmallestWidth >= MIN_TABLET_WIDTH;
-        // Tablet UI does not support emulated landscape.
-        isTablet = allowRotation && info.isTablet(windowBounds);
+        isTablet = info.isTablet(windowBounds);
         isPhone = !isTablet;
         isTwoPanels = isTablet && useTwoPanels;
 
@@ -823,15 +814,23 @@
         Point padding = getTotalWorkspacePadding();
 
         int numColumns = isTwoPanels ? inv.numColumns * 2 : inv.numColumns;
-        int cellLayoutTotalPadding =
-                isTwoPanels ? 4 * cellLayoutPaddingLeftRightPx : 2 * cellLayoutPaddingLeftRightPx;
-        int screenWidthPx = availableWidthPx - padding.x - cellLayoutTotalPadding;
+        int screenWidthPx = getWorkspaceWidth(padding);
         result.x = calculateCellWidth(screenWidthPx, cellLayoutBorderSpacePx.x, numColumns);
         result.y = calculateCellHeight(availableHeightPx - padding.y
                 - cellLayoutBottomPaddingPx, cellLayoutBorderSpacePx.y, inv.numRows);
         return result;
     }
 
+    public int getWorkspaceWidth() {
+        return getWorkspaceWidth(getTotalWorkspacePadding());
+    }
+
+    public int getWorkspaceWidth(Point workspacePadding) {
+        int cellLayoutTotalPadding =
+                isTwoPanels ? 4 * cellLayoutPaddingLeftRightPx : 2 * cellLayoutPaddingLeftRightPx;
+        return availableWidthPx - workspacePadding.x - cellLayoutTotalPadding;
+    }
+
     public Point getTotalWorkspacePadding() {
         updateWorkspacePadding();
         return new Point(workspacePadding.left + workspacePadding.right,
@@ -1032,7 +1031,6 @@
         writer.println(prefix + "DeviceProfile:");
         writer.println(prefix + "\t1 dp = " + mMetrics.density + " px");
 
-        writer.println(prefix + "\tallowRotation:" + allowRotation);
         writer.println(prefix + "\tisTablet:" + isTablet);
         writer.println(prefix + "\tisPhone:" + isPhone);
         writer.println(prefix + "\ttransposeLayoutWithOrientation:"
diff --git a/src/com/android/launcher3/InvariantDeviceProfile.java b/src/com/android/launcher3/InvariantDeviceProfile.java
index d844b87..2ebedf7 100644
--- a/src/com/android/launcher3/InvariantDeviceProfile.java
+++ b/src/com/android/launcher3/InvariantDeviceProfile.java
@@ -286,7 +286,11 @@
         mExtraAttrs = closestProfile.extraAttrs;
 
         iconSize = displayOption.iconSizes;
-        iconBitmapSize = ResourceUtils.pxFromDp(iconSize[INDEX_DEFAULT], metrics);
+        float maxIconSize = iconSize[0];
+        for (int i = 1; i < iconSize.length; i++) {
+            maxIconSize = Math.max(maxIconSize, iconSize[i]);
+        }
+        iconBitmapSize = ResourceUtils.pxFromDp(maxIconSize, metrics);
         fillResIconDpi = getLauncherIconDensity(iconBitmapSize);
 
         iconTextSize = displayOption.textSizes;
@@ -555,13 +559,10 @@
         }
         out.multiply(1.0f / weights);
 
-        // Since the bitmaps are persisted, ensure that the default bitmap size is same as
+        // Since the bitmaps are persisted, ensure that all bitmap sizes are not larger than
         // predefined size to avoid cache invalidation
-        out.iconSizes[INDEX_DEFAULT] =
-                closestPoint.iconSizes[INDEX_DEFAULT];
-        for (int i = INDEX_DEFAULT + 1; i < COUNT_SIZES; i++) {
-            out.iconSizes[i] = Math.min(out.iconSizes[i],
-                    out.iconSizes[INDEX_DEFAULT]);
+        for (int i = INDEX_DEFAULT; i < COUNT_SIZES; i++) {
+            out.iconSizes[i] = Math.min(out.iconSizes[i], closestPoint.iconSizes[i]);
         }
 
         return out;
diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index cefadf7..1ce7ebe 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -252,7 +252,7 @@
         if (0 <= mCurrentPage && mCurrentPage < getPageCount()) {
             newPosition = getScrollForPage(mCurrentPage) + mCurrentPageScrollDiff;
         }
-        mOrientationHandler.set(this, VIEW_SCROLL_TO, newPosition);
+        mOrientationHandler.setPrimary(this, VIEW_SCROLL_TO, newPosition);
         mScroller.startScroll(mScroller.getCurrX(), 0, newPosition - mScroller.getCurrX(), 0);
         forceFinishScroller();
     }
@@ -556,7 +556,7 @@
             int oldPos = mOrientationHandler.getPrimaryScroll(this);
             int newPos = mScroller.getCurrX();
             if (oldPos != newPos) {
-                mOrientationHandler.set(this, VIEW_SCROLL_TO, mScroller.getCurrX());
+                mOrientationHandler.setPrimary(this, VIEW_SCROLL_TO, mScroller.getCurrX());
             }
 
             if (mAllowOverScroll) {
@@ -1280,7 +1280,7 @@
                 mLastMotionRemainder = delta - movedDelta;
 
                 if (delta != 0) {
-                    mOrientationHandler.set(this, VIEW_SCROLL_BY, movedDelta);
+                    mOrientationHandler.setPrimary(this, VIEW_SCROLL_BY, movedDelta);
 
                     if (mAllowOverScroll) {
                         final float pulledToX = oldScroll + delta;
diff --git a/src/com/android/launcher3/anim/RevealOutlineAnimation.java b/src/com/android/launcher3/anim/RevealOutlineAnimation.java
index f99dabc..f5a746f 100644
--- a/src/com/android/launcher3/anim/RevealOutlineAnimation.java
+++ b/src/com/android/launcher3/anim/RevealOutlineAnimation.java
@@ -26,9 +26,27 @@
     /** Sets the progress, from 0 to 1, of the reveal animation. */
     abstract void setProgress(float progress);
 
+    /**
+     * @see #createRevealAnimator(View, boolean, float) where startProgress is set to 0.
+     */
     public ValueAnimator createRevealAnimator(final View revealView, boolean isReversed) {
-        ValueAnimator va =
-                isReversed ? ValueAnimator.ofFloat(1f, 0f) : ValueAnimator.ofFloat(0f, 1f);
+        return createRevealAnimator(revealView, isReversed, 0f /* startProgress */);
+    }
+
+    /**
+     * Animates the given View's ViewOutline according to {@link #setProgress(float)}.
+     * @param revealView The View whose outline we are animating.
+     * @param isReversed Whether we are hiding rather than revealing the View.
+     * @param startProgress The progress at which to start the newly created animation. Useful if
+     * the previous reveal animation was cancelled and we want to create a new animation where it
+     * left off. Note that if isReversed=true, we start at 1 - startProgress (and go to 0).
+     * @return The Animator, which the caller must start.
+     */
+    public ValueAnimator createRevealAnimator(final View revealView, boolean isReversed,
+            float startProgress) {
+        ValueAnimator va = isReversed
+                ? ValueAnimator.ofFloat(1f - startProgress, 0f)
+                : ValueAnimator.ofFloat(startProgress, 1f);
         final float elevation = revealView.getElevation();
 
         va.addListener(new AnimatorListenerAdapter() {
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index bc50e6d..1fa6360 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -72,6 +72,7 @@
             "PROMISE_APPS_NEW_INSTALLS", true,
             "Adds a promise icon to the home screen for new install sessions.");
 
+    // TODO: b/206508141: Long pressing on some icons on home screen cause launcher to crash.
     public static final BooleanFlag ENABLE_LOCAL_COLOR_POPUPS = getDebugFlag(
             "ENABLE_LOCAL_COLOR_POPUPS", false, "Enable local color extraction for popups.");
 
diff --git a/src/com/android/launcher3/model/BgDataModel.java b/src/com/android/launcher3/model/BgDataModel.java
index 13ad90e..d3351dc 100644
--- a/src/com/android/launcher3/model/BgDataModel.java
+++ b/src/com/android/launcher3/model/BgDataModel.java
@@ -31,6 +31,8 @@
 import android.util.ArraySet;
 import android.util.Log;
 
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.Workspace;
@@ -215,6 +217,19 @@
     }
 
     public synchronized void addItem(Context context, ItemInfo item, boolean newItem) {
+        addItem(context, item, newItem, null);
+    }
+
+    public synchronized void addItem(
+            Context context, ItemInfo item, boolean newItem, @Nullable LoaderMemoryLogger logger) {
+        if (logger != null) {
+            logger.addLog(
+                    Log.DEBUG,
+                    TAG,
+                    String.format("Adding item to ID map: %s", item.toString()),
+                    /* stackTrace= */ null);
+        }
+
         itemsIdMap.put(item.id, item);
         switch (item.itemType) {
             case LauncherSettings.Favorites.ITEM_TYPE_FOLDER:
diff --git a/src/com/android/launcher3/model/LoaderCursor.java b/src/com/android/launcher3/model/LoaderCursor.java
index 47df538..08b38e8 100644
--- a/src/com/android/launcher3/model/LoaderCursor.java
+++ b/src/com/android/launcher3/model/LoaderCursor.java
@@ -383,18 +383,23 @@
         info.cellY = getInt(cellYIndex);
     }
 
+    public void checkAndAddItem(ItemInfo info, BgDataModel dataModel) {
+        checkAndAddItem(info, dataModel, null);
+    }
+
     /**
      * Adds the {@param info} to {@param dataModel} if it does not overlap with any other item,
      * otherwise marks it for deletion.
      */
-    public void checkAndAddItem(ItemInfo info, BgDataModel dataModel) {
+    public void checkAndAddItem(
+            ItemInfo info, BgDataModel dataModel, LoaderMemoryLogger logger) {
         if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
             // Ensure that it is a valid intent. An exception here will
             // cause the item loading to get skipped
             ShortcutKey.fromItemInfo(info);
         }
         if (checkItemPlacement(info)) {
-            dataModel.addItem(mContext, info, false);
+            dataModel.addItem(mContext, info, false, logger);
         } else {
             markDeleted("Item position overlap");
         }
diff --git a/src/com/android/launcher3/model/LoaderMemoryLogger.java b/src/com/android/launcher3/model/LoaderMemoryLogger.java
new file mode 100644
index 0000000..f48efcb
--- /dev/null
+++ b/src/com/android/launcher3/model/LoaderMemoryLogger.java
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2021 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.model;
+
+import android.util.Log;
+
+import androidx.annotation.Nullable;
+
+import java.util.ArrayList;
+
+/**
+ * Helper logger that collects logs while {@code LoaderTask#run} executes and prints them all iff
+ * an exception is caught in {@code LoaderTask#run}.
+ */
+public class LoaderMemoryLogger {
+
+    private static final String TAG = "LoaderMemoryLogger";
+
+    private final ArrayList<LogEntry> mLogEntries = new ArrayList<>();
+
+    protected LoaderMemoryLogger() {}
+
+    protected void addLog(int logLevel, String tag, String log) {
+        addLog(logLevel, tag, log, null);
+    }
+
+    protected void addLog(
+            int logLevel, String tag, String log, Exception stackTrace) {
+        switch (logLevel) {
+            case Log.ASSERT:
+            case Log.ERROR:
+            case Log.DEBUG:
+            case Log.INFO:
+            case Log.VERBOSE:
+            case Log.WARN:
+                mLogEntries.add(new LogEntry(logLevel, tag, log, stackTrace));
+                break;
+            default:
+                throw new IllegalArgumentException("Invalid log level provided: " + logLevel);
+
+        }
+    }
+
+    protected void clearLogs() {
+        mLogEntries.clear();
+    }
+
+    protected void printLogs() {
+        for (LogEntry logEntry : mLogEntries) {
+            String tag = String.format("%s: %s", TAG, logEntry.mLogTag);
+            String logString = logEntry.mStackStrace == null
+                    ? logEntry.mLogString
+                    : String.format(
+                            "%s\n%s",
+                            logEntry.mLogString,
+                            Log.getStackTraceString(logEntry.mStackStrace));
+
+            Log.println(logEntry.mLogLevel, tag, logString);
+        }
+        clearLogs();
+    }
+
+    private static class LogEntry {
+
+        protected final int mLogLevel;
+        protected final String mLogTag;
+        protected final String mLogString;
+        @Nullable protected final Exception mStackStrace;
+
+        protected LogEntry(
+                int logLevel, String logTag, String logString, @Nullable Exception stackStrace) {
+            mLogLevel = logLevel;
+            mLogTag = logTag;
+            mLogString = logString;
+            mStackStrace = stackStrace;
+        }
+    }
+}
diff --git a/src/com/android/launcher3/model/LoaderTask.java b/src/com/android/launcher3/model/LoaderTask.java
index a4f6f7a..2a0f9a6 100644
--- a/src/com/android/launcher3/model/LoaderTask.java
+++ b/src/com/android/launcher3/model/LoaderTask.java
@@ -52,6 +52,8 @@
 import android.util.LongSparseArray;
 import android.util.TimingLogger;
 
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.LauncherAppState;
@@ -197,11 +199,12 @@
 
         Object traceToken = TraceHelper.INSTANCE.beginSection(TAG);
         TimingLogger logger = new TimingLogger(TAG, "run");
+        LoaderMemoryLogger memoryLogger = new LoaderMemoryLogger();
         try (LauncherModel.LoaderTransaction transaction = mApp.getModel().beginLoader(this)) {
             List<ShortcutInfo> allShortcuts = new ArrayList<>();
             Trace.beginSection("LoadWorkspace");
             try {
-                loadWorkspace(allShortcuts);
+                loadWorkspace(allShortcuts, memoryLogger);
             } finally {
                 Trace.endSection();
             }
@@ -311,9 +314,13 @@
 
             mModelDelegate.modelLoadComplete();
             transaction.commit();
+            memoryLogger.clearLogs();
         } catch (CancellationException e) {
             // Loader stopped, ignore
             logASplit(logger, "Cancelled");
+        } catch (Exception e) {
+            memoryLogger.printLogs();
+            throw e;
         } finally {
             logger.dumpToLog();
         }
@@ -325,13 +332,21 @@
         this.notify();
     }
 
-    private void loadWorkspace(List<ShortcutInfo> allDeepShortcuts) {
+    private void loadWorkspace(List<ShortcutInfo> allDeepShortcuts, LoaderMemoryLogger logger) {
         loadWorkspace(allDeepShortcuts, LauncherSettings.Favorites.CONTENT_URI,
-                null /* selection */);
+                null /* selection */, logger);
     }
 
-    protected void loadWorkspace(List<ShortcutInfo> allDeepShortcuts, Uri contentUri,
-            String selection) {
+    protected void loadWorkspace(
+            List<ShortcutInfo> allDeepShortcuts, Uri contentUri, String selection) {
+        loadWorkspace(allDeepShortcuts, contentUri, selection, null);
+    }
+
+    protected void loadWorkspace(
+            List<ShortcutInfo> allDeepShortcuts,
+            Uri contentUri,
+            String selection,
+            @Nullable LoaderMemoryLogger logger) {
         final Context context = mApp.getContext();
         final ContentResolver contentResolver = context.getContentResolver();
         final PackageManagerHelper pmHelper = new PackageManagerHelper(context);
@@ -635,7 +650,7 @@
                                         }
                                 }
 
-                                c.checkAndAddItem(info, mBgDataModel);
+                                c.checkAndAddItem(info, mBgDataModel, logger);
                             } else {
                                 throw new RuntimeException("Unexpected null WorkspaceItemInfo");
                             }
@@ -654,7 +669,7 @@
                             // no special handling required for restored folders
                             c.markRestored();
 
-                            c.checkAndAddItem(folderInfo, mBgDataModel);
+                            c.checkAndAddItem(folderInfo, mBgDataModel, logger);
                             break;
 
                         case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET:
diff --git a/src/com/android/launcher3/popup/ArrowPopup.java b/src/com/android/launcher3/popup/ArrowPopup.java
index 5a1e4bf..b1a4109 100644
--- a/src/com/android/launcher3/popup/ArrowPopup.java
+++ b/src/com/android/launcher3/popup/ArrowPopup.java
@@ -77,44 +77,45 @@
         extends AbstractFloatingView {
 
     // Duration values (ms) for popup open and close animations.
-    private static final int OPEN_DURATION = 276;
-    private static final int OPEN_FADE_START_DELAY = 0;
-    private static final int OPEN_FADE_DURATION = 38;
-    private static final int OPEN_CHILD_FADE_START_DELAY = 38;
-    private static final int OPEN_CHILD_FADE_DURATION = 76;
+    protected int OPEN_DURATION = 276;
+    protected int OPEN_FADE_START_DELAY = 0;
+    protected int OPEN_FADE_DURATION = 38;
+    protected int OPEN_CHILD_FADE_START_DELAY = 38;
+    protected int OPEN_CHILD_FADE_DURATION = 76;
 
-    private static final int CLOSE_DURATION = 200;
-    private static final int CLOSE_FADE_START_DELAY = 140;
-    private static final int CLOSE_FADE_DURATION = 50;
-    private static final int CLOSE_CHILD_FADE_START_DELAY = 0;
-    private static final int CLOSE_CHILD_FADE_DURATION = 140;
+    protected int CLOSE_DURATION = 200;
+    protected int CLOSE_FADE_START_DELAY = 140;
+    protected int CLOSE_FADE_DURATION = 50;
+    protected int CLOSE_CHILD_FADE_START_DELAY = 0;
+    protected int CLOSE_CHILD_FADE_DURATION = 140;
 
     // Index used to get background color when using local wallpaper color extraction,
     private static final int DARK_COLOR_EXTRACTION_INDEX = android.R.color.system_neutral2_800;
     private static final int LIGHT_COLOR_EXTRACTION_INDEX = android.R.color.system_accent2_50;
 
-    private final Rect mTempRect = new Rect();
+    protected final Rect mTempRect = new Rect();
 
     protected final LayoutInflater mInflater;
-    private final float mOutlineRadius;
+    protected final float mOutlineRadius;
     protected final T mActivityContext;
     protected final boolean mIsRtl;
 
-    private final int mArrowOffsetVertical;
-    private final int mArrowOffsetHorizontal;
-    private final int mArrowWidth;
-    private final int mArrowHeight;
-    private final int mArrowPointRadius;
-    private final View mArrow;
+    protected final int mArrowOffsetVertical;
+    protected final int mArrowOffsetHorizontal;
+    protected final int mArrowWidth;
+    protected final int mArrowHeight;
+    protected final int mArrowPointRadius;
+    protected final View mArrow;
 
     private final int mMargin;
 
     protected boolean mIsLeftAligned;
     protected boolean mIsAboveIcon;
-    private int mGravity;
+    protected int mGravity;
 
     protected AnimatorSet mOpenCloseAnimator;
     protected boolean mDeferContainerRemoval;
+    protected boolean shouldScaleArrow = false;
 
     private final GradientDrawable mRoundedTop;
     private final GradientDrawable mRoundedBottom;
@@ -122,10 +123,10 @@
     private Runnable mOnCloseCallback = () -> { };
 
     // The rect string of the view that the arrow is attached to, in screen reference frame.
-    private int mArrowColor;
+    protected int mArrowColor;
     protected final List<LocalColorExtractor> mColorExtractors;
 
-    private final float mElevation;
+    protected final float mElevation;
     private final int mBackgroundColor;
 
     private final String mIterateChildrenTag;
@@ -729,6 +730,14 @@
         scale.setInterpolator(interpolator);
         animatorSet.play(scale);
 
+        if (shouldScaleArrow) {
+            Animator arrowScaleAnimator = ObjectAnimator.ofFloat(mArrow, View.SCALE_Y,
+                    scaleValues);
+            arrowScaleAnimator.setDuration(totalDuration);
+            arrowScaleAnimator.setInterpolator(interpolator);
+            animatorSet.play(arrowScaleAnimator);
+        }
+
         fadeInChildViews(this, alphaValues, childFadeStartDelay, childFadeDuration, animatorSet);
 
         return animatorSet;
diff --git a/src/com/android/launcher3/popup/RoundedArrowDrawable.java b/src/com/android/launcher3/popup/RoundedArrowDrawable.java
index e662d5c..436aa51 100644
--- a/src/com/android/launcher3/popup/RoundedArrowDrawable.java
+++ b/src/com/android/launcher3/popup/RoundedArrowDrawable.java
@@ -78,6 +78,32 @@
         mPath.transform(pathTransform);
     }
 
+    /**
+     * Constructor for an arrow that points to the left or right.
+     *
+     * @param width        of the arrow.
+     * @param height       of the arrow.
+     * @param radius       of the tip of the arrow.
+     * @param isPointingLeft or not.
+     * @param color        to draw the triangle.
+     */
+    public RoundedArrowDrawable(float width, float height, float radius, boolean isPointingLeft,
+            int color) {
+        mPath = new Path();
+        mPaint = new Paint();
+        mPaint.setColor(color);
+        mPaint.setStyle(Paint.Style.FILL);
+        mPaint.setAntiAlias(true);
+
+        // Make the drawable with the triangle pointing down...
+        addDownPointingRoundedTriangleToPath(width, height, radius, mPath);
+
+        // ... then rotate it to the side it needs to point.
+        Matrix pathTransform = new Matrix();
+        pathTransform.setRotate(isPointingLeft ? 90 : -90, width * 0.5f, height * 0.5f);
+        mPath.transform(pathTransform);
+    }
+
     @Override
     public void draw(Canvas canvas) {
         canvas.drawPath(mPath, mPaint);
diff --git a/src/com/android/launcher3/popup/SystemShortcut.java b/src/com/android/launcher3/popup/SystemShortcut.java
index 5ebbc67..08d3779 100644
--- a/src/com/android/launcher3/popup/SystemShortcut.java
+++ b/src/com/android/launcher3/popup/SystemShortcut.java
@@ -41,8 +41,8 @@
         implements View.OnClickListener {
 
     private final int mIconResId;
-    private final int mLabelResId;
-    private final int mAccessibilityActionId;
+    protected final int mLabelResId;
+    protected int mAccessibilityActionId;
 
     protected final T mTarget;
     protected final ItemInfo mItemInfo;
@@ -142,11 +142,43 @@
 
     public static class AppInfo<T extends Context & ActivityContext> extends SystemShortcut<T> {
 
+        @Nullable
+        private SplitAccessibilityInfo mSplitA11yInfo;
+
         public AppInfo(T target, ItemInfo itemInfo) {
             super(R.drawable.ic_info_no_shadow, R.string.app_info_drop_target_label, target,
                     itemInfo);
         }
 
+        /**
+         * Constructor used by overview for staged split to provide custom A11y information.
+         *
+         * Future improvements considerations:
+         * Have the logic in {@link #createAccessibilityAction(Context)} be moved to super
+         * call in {@link SystemShortcut#createAccessibilityAction(Context)} by having
+         * SystemShortcut be aware of TaskContainers and staged split.
+         * That way it could directly create the correct node info for any shortcut that supports
+         * split, but then we'll need custom resIDs for each pair of shortcuts.
+         */
+        public AppInfo(T target, ItemInfo itemInfo, SplitAccessibilityInfo accessibilityInfo) {
+            this(target, itemInfo);
+            mSplitA11yInfo = accessibilityInfo;
+            mAccessibilityActionId = accessibilityInfo.nodeId;
+        }
+
+        @Override
+        public AccessibilityNodeInfo.AccessibilityAction createAccessibilityAction(
+                Context context) {
+            if (mSplitA11yInfo != null && mSplitA11yInfo.containsMultipleTasks) {
+                String accessibilityLabel = context.getString(R.string.split_app_info_accessibility,
+                        mSplitA11yInfo.taskTitle);
+                return new AccessibilityNodeInfo.AccessibilityAction(mAccessibilityActionId,
+                        accessibilityLabel);
+            } else {
+                return super.createAccessibilityAction(context);
+            }
+        }
+
         @Override
         public void onClick(View view) {
             dismissTaskMenuView(mTarget);
@@ -156,6 +188,19 @@
             mTarget.getStatsLogManager().logger().withItemInfo(mItemInfo)
                     .log(LAUNCHER_SYSTEM_SHORTCUT_APP_INFO_TAP);
         }
+
+        public static class SplitAccessibilityInfo {
+            public final boolean containsMultipleTasks;
+            public final CharSequence taskTitle;
+            public final int nodeId;
+
+            public SplitAccessibilityInfo(boolean containsMultipleTasks,
+                    CharSequence taskTitle, int nodeId) {
+                this.containsMultipleTasks = containsMultipleTasks;
+                this.taskTitle = taskTitle;
+                this.nodeId = nodeId;
+            }
+        }
     }
 
     public static final Factory<BaseDraggingActivity> INSTALL = (activity, itemInfo) -> {
diff --git a/src/com/android/launcher3/settings/SettingsActivity.java b/src/com/android/launcher3/settings/SettingsActivity.java
index f348a33..0c39632 100644
--- a/src/com/android/launcher3/settings/SettingsActivity.java
+++ b/src/com/android/launcher3/settings/SettingsActivity.java
@@ -49,6 +49,7 @@
 import com.android.launcher3.Utilities;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.model.WidgetsModel;
+import com.android.launcher3.states.RotationHelper;
 import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
 
 import java.util.Collections;
@@ -253,12 +254,13 @@
                 case ALLOW_ROTATION_PREFERENCE_KEY:
                     DeviceProfile deviceProfile = InvariantDeviceProfile.INSTANCE.get(
                             getContext()).getDeviceProfile(getContext());
-                    if (deviceProfile.allowRotation) {
+                    if (deviceProfile.isTablet) {
                         // Launcher supports rotation by default. No need to show this setting.
                         return false;
                     }
                     // Initialize the UI once
-                    preference.setDefaultValue(false);
+                    preference.setDefaultValue(
+                            RotationHelper.getAllowRotationDefaultValue(deviceProfile));
                     return true;
 
                 case FLAGS_PREFERENCE_KEY:
diff --git a/src/com/android/launcher3/states/RotationHelper.java b/src/com/android/launcher3/states/RotationHelper.java
index 87871b1..867fd99 100644
--- a/src/com/android/launcher3/states/RotationHelper.java
+++ b/src/com/android/launcher3/states/RotationHelper.java
@@ -18,6 +18,10 @@
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_LOCKED;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
+import static android.util.DisplayMetrics.DENSITY_DEVICE_STABLE;
+
+import static com.android.launcher3.Utilities.dpiFromPx;
+import static com.android.launcher3.util.WindowManagerCompat.MIN_TABLET_WIDTH;
 
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
@@ -25,7 +29,6 @@
 import com.android.launcher3.BaseActivity;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.util.ActivityTracker;
 import com.android.launcher3.util.UiThreadHelper;
 
 /**
@@ -38,6 +41,17 @@
 
     public static final String ALLOW_ROTATION_PREFERENCE_KEY = "pref_allowRotation";
 
+    /**
+     * Returns the default value of {@link #ALLOW_ROTATION_PREFERENCE_KEY} preference.
+     */
+    public static boolean getAllowRotationDefaultValue(DeviceProfile deviceProfile) {
+        // If the device's pixel density was scaled (usually via settings for A11y), use the
+        // original dimensions to determine if rotation is allowed of not.
+        float originalSmallestWidth = dpiFromPx(
+                Math.min(deviceProfile.widthPx, deviceProfile.heightPx), DENSITY_DEVICE_STABLE);
+        return originalSmallestWidth >= MIN_TABLET_WIDTH;
+    }
+
     public static final int REQUEST_NONE = 0;
     public static final int REQUEST_ROTATE = 1;
     public static final int REQUEST_LOCK = 2;
@@ -51,7 +65,7 @@
 
     /**
      * Rotation request made by
-     * {@link ActivityTracker.SchedulerCallback}.
+     * {@link com.android.launcher3.util.ActivityTracker.SchedulerCallback}.
      * This supersedes any other request.
      */
     private int mStateHandlerRequest = REQUEST_NONE;
@@ -84,7 +98,7 @@
                 mSharedPrefs.registerOnSharedPreferenceChangeListener(this);
             }
             mHomeRotationEnabled = mSharedPrefs.getBoolean(ALLOW_ROTATION_PREFERENCE_KEY,
-                    mActivity.getDeviceProfile().allowRotation);
+                    getAllowRotationDefaultValue(mActivity.getDeviceProfile()));
         } else {
             if (mSharedPrefs != null) {
                 mSharedPrefs.unregisterOnSharedPreferenceChangeListener(this);
@@ -98,7 +112,7 @@
         if (mDestroyed) return;
         boolean wasRotationEnabled = mHomeRotationEnabled;
         mHomeRotationEnabled = mSharedPrefs.getBoolean(ALLOW_ROTATION_PREFERENCE_KEY,
-                mActivity.getDeviceProfile().allowRotation);
+                getAllowRotationDefaultValue(mActivity.getDeviceProfile()));
         if (mHomeRotationEnabled != wasRotationEnabled) {
             notifyChange();
         }
@@ -106,7 +120,7 @@
 
     @Override
     public void onDeviceProfileChanged(DeviceProfile dp) {
-        boolean ignoreAutoRotateSettings = dp.allowRotation;
+        boolean ignoreAutoRotateSettings = dp.isTablet;
         if (mIgnoreAutoRotateSettings != ignoreAutoRotateSettings) {
             setIgnoreAutoRotateSettings(ignoreAutoRotateSettings);
             notifyChange();
@@ -143,7 +157,7 @@
     public void initialize() {
         if (!mInitialized) {
             mInitialized = true;
-            setIgnoreAutoRotateSettings(mActivity.getDeviceProfile().allowRotation);
+            setIgnoreAutoRotateSettings(mActivity.getDeviceProfile().isTablet);
             mActivity.addOnDeviceProfileChangeListener(this);
             notifyChange();
         }
diff --git a/src/com/android/launcher3/testing/TestProtocol.java b/src/com/android/launcher3/testing/TestProtocol.java
index 9a74fb1..673b011 100644
--- a/src/com/android/launcher3/testing/TestProtocol.java
+++ b/src/com/android/launcher3/testing/TestProtocol.java
@@ -122,9 +122,7 @@
     public static final String REQUEST_MOCK_SENSOR_ROTATION = "mock-sensor-rotation";
 
     public static final String PERMANENT_DIAG_TAG = "TaplTarget";
-    public static final String TASKBAR_WINDOW_CRASH = "b/201305599";
     public static final String TASK_VIEW_ID_CRASH = "b/195430732";
     public static final String NO_DROP_TARGET = "b/195031154";
     public static final String NULL_INT_SET = "b/200572078";
-    public static final String NO_SCREENSHOT = "b/202414125";
 }
diff --git a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
index 498f6db..c255225 100644
--- a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
+++ b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
@@ -36,6 +36,7 @@
 import android.graphics.RectF;
 import android.graphics.drawable.ShapeDrawable;
 import android.util.FloatProperty;
+import android.util.Pair;
 import android.view.MotionEvent;
 import android.view.Surface;
 import android.view.VelocityTracker;
@@ -101,12 +102,12 @@
     }
 
     @Override
-    public <T> void set(T target, Int2DAction<T> action, int param) {
+    public <T> void setPrimary(T target, Int2DAction<T> action, int param) {
         action.call(target, 0, param);
     }
 
     @Override
-    public <T> void set(T target, Float2DAction<T> action, float param) {
+    public <T> void setPrimary(T target, Float2DAction<T> action, float param) {
         action.call(target, 0, param);
     }
 
@@ -116,6 +117,12 @@
     }
 
     @Override
+    public <T> void set(T target, Int2DAction<T> action, int primaryParam,
+            int secondaryParam) {
+        action.call(target, secondaryParam, primaryParam);
+    }
+
+    @Override
     public float getPrimaryDirection(MotionEvent event, int pointerIndex) {
         return event.getY(pointerIndex);
     }
@@ -456,8 +463,8 @@
     }
 
     @Override
-    public FloatProperty getSplitSelectTaskOffset(FloatProperty primary, FloatProperty secondary,
-            DeviceProfile deviceProfile) {
-        return primary;
+    public Pair<FloatProperty, FloatProperty> getSplitSelectTaskOffset(FloatProperty primary,
+            FloatProperty secondary, DeviceProfile deviceProfile) {
+        return new Pair<>(primary, secondary);
     }
 }
diff --git a/src/com/android/launcher3/touch/PagedOrientationHandler.java b/src/com/android/launcher3/touch/PagedOrientationHandler.java
index 95336cd..54b30fb 100644
--- a/src/com/android/launcher3/touch/PagedOrientationHandler.java
+++ b/src/com/android/launcher3/touch/PagedOrientationHandler.java
@@ -24,6 +24,7 @@
 import android.graphics.RectF;
 import android.graphics.drawable.ShapeDrawable;
 import android.util.FloatProperty;
+import android.util.Pair;
 import android.view.MotionEvent;
 import android.view.VelocityTracker;
 import android.view.View;
@@ -65,9 +66,10 @@
     Float2DAction<Canvas> CANVAS_TRANSLATE = Canvas::translate;
     Float2DAction<Matrix> MATRIX_POST_TRANSLATE = Matrix::postTranslate;
 
-    <T> void set(T target, Int2DAction<T> action, int param);
-    <T> void set(T target, Float2DAction<T> action, float param);
+    <T> void setPrimary(T target, Int2DAction<T> action, int param);
+    <T> void setPrimary(T target, Float2DAction<T> action, float param);
     <T> void setSecondary(T target, Float2DAction<T> action, float param);
+    <T> void set(T target, Int2DAction<T> action, int primaryParam, int secondaryParam);
     float getPrimaryDirection(MotionEvent event, int pointerIndex);
     float getPrimaryVelocity(VelocityTracker velocityTracker, int pointerId);
     int getMeasuredSize(View view);
@@ -112,8 +114,8 @@
     float getSecondaryValue(float x, float y);
 
     boolean isLayoutNaturalToLauncher();
-    FloatProperty getSplitSelectTaskOffset(FloatProperty primary, FloatProperty secondary,
-            DeviceProfile deviceProfile);
+    Pair<FloatProperty, FloatProperty> getSplitSelectTaskOffset(FloatProperty primary,
+            FloatProperty secondary, DeviceProfile deviceProfile);
     int getDistanceToBottomOfRect(DeviceProfile dp, Rect rect);
     List<SplitPositionOption> getSplitPositionOptions(DeviceProfile dp);
     /**
diff --git a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
index 835c240..e69944a 100644
--- a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
+++ b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
@@ -35,6 +35,7 @@
 import android.graphics.RectF;
 import android.graphics.drawable.ShapeDrawable;
 import android.util.FloatProperty;
+import android.util.Pair;
 import android.view.MotionEvent;
 import android.view.Surface;
 import android.view.VelocityTracker;
@@ -101,12 +102,12 @@
     }
 
     @Override
-    public <T> void set(T target, Int2DAction<T> action, int param) {
+    public <T> void setPrimary(T target, Int2DAction<T> action, int param) {
         action.call(target, param, 0);
     }
 
     @Override
-    public <T> void set(T target, Float2DAction<T> action, float param) {
+    public <T> void setPrimary(T target, Float2DAction<T> action, float param) {
         action.call(target, param, 0);
     }
 
@@ -116,6 +117,12 @@
     }
 
     @Override
+    public <T> void set(T target, Int2DAction<T> action, int primaryParam,
+            int secondaryParam) {
+        action.call(target, primaryParam, secondaryParam);
+    }
+
+    @Override
     public float getPrimaryDirection(MotionEvent event, int pointerIndex) {
         return event.getX(pointerIndex);
     }
@@ -565,12 +572,12 @@
     }
 
     @Override
-    public FloatProperty getSplitSelectTaskOffset(FloatProperty primary, FloatProperty secondary,
-            DeviceProfile dp) {
-        if (dp.isLandscape) { // or seascape
-            return primary;
+    public Pair<FloatProperty, FloatProperty> getSplitSelectTaskOffset(FloatProperty primary,
+            FloatProperty secondary, DeviceProfile deviceProfile) {
+        if (deviceProfile.isLandscape) { // or seascape
+            return new Pair<>(primary, secondary);
         } else {
-            return secondary;
+            return new Pair<>(secondary, primary);
         }
     }
 }
diff --git a/src/com/android/launcher3/util/DisplayController.java b/src/com/android/launcher3/util/DisplayController.java
index 2068c29..c050c6c 100644
--- a/src/com/android/launcher3/util/DisplayController.java
+++ b/src/com/android/launcher3/util/DisplayController.java
@@ -261,6 +261,13 @@
             PortraitSize realSize = new PortraitSize(newInfo.currentSize.x, newInfo.currentSize.y);
             PortraitSize expectedSize = oldInfo.mInternalDisplays.get(
                     ApiWrapper.getUniqueId(display));
+            if (newInfo.supportedBounds.size() != oldInfo.supportedBounds.size()) {
+                Log.e("b/198965093",
+                        "Inconsistent number of displays"
+                                + "\ndisplay state: " + display.getState()
+                                + "\noldInfo.supportedBounds: " + oldInfo.supportedBounds
+                                + "\nnewInfo.supportedBounds: " + newInfo.supportedBounds);
+            }
             if (!realSize.equals(expectedSize) && display.getState() == Display.STATE_OFF) {
                 Log.e("b/198965093", "Display size changed while display is off, ignoring change");
                 return;
diff --git a/src/com/android/launcher3/util/PackageManagerHelper.java b/src/com/android/launcher3/util/PackageManagerHelper.java
index 08ec591..f42d304 100644
--- a/src/com/android/launcher3/util/PackageManagerHelper.java
+++ b/src/com/android/launcher3/util/PackageManagerHelper.java
@@ -202,7 +202,8 @@
     public static Intent getStyleWallpapersIntent(Context context) {
         return new Intent(Intent.ACTION_SET_WALLPAPER).setComponent(
                 new ComponentName(context.getString(R.string.wallpaper_picker_package),
-                "com.android.customization.picker.CustomizationPickerActivity"));
+                    context.getString(R.string.custom_activity_picker)
+                ));
     }
 
     /**
diff --git a/src/com/android/launcher3/util/SplitConfigurationOptions.java b/src/com/android/launcher3/util/SplitConfigurationOptions.java
index 53b1c3e..cb714b2 100644
--- a/src/com/android/launcher3/util/SplitConfigurationOptions.java
+++ b/src/com/android/launcher3/util/SplitConfigurationOptions.java
@@ -68,6 +68,11 @@
     public @interface StageType {}
     ///////////////////////////////////
 
+    /**
+     * Default split ratio for launching app pair from overview.
+     */
+    public static final float DEFAULT_SPLIT_RATIO = 0.5f;
+
     public static class SplitPositionOption {
         public final int iconResId;
         public final int textResId;
diff --git a/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java b/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
index 44f2719..19dca45 100644
--- a/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
+++ b/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
@@ -38,6 +38,7 @@
 import android.os.RemoteException;
 import android.os.UserHandle;
 import android.os.UserManager;
+import android.system.OsConstants;
 import android.util.Log;
 
 import androidx.test.InstrumentationRegistry;
@@ -83,6 +84,7 @@
 import java.util.concurrent.Callable;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
 import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.function.Supplier;
@@ -327,7 +329,12 @@
      */
     protected <T> T getOnUiThread(final Callable<T> callback) {
         try {
-            return mMainThreadExecutor.submit(callback).get();
+            return mMainThreadExecutor.submit(callback).get(DEFAULT_UI_TIMEOUT,
+                    TimeUnit.MILLISECONDS);
+        } catch (TimeoutException e) {
+            Log.e(TAG, "Timeout in getOnUiThread, sending SIGABRT", e);
+            Process.sendSignal(Process.myPid(), OsConstants.SIGABRT);
+            throw new RuntimeException(e);
         } catch (Throwable e) {
             throw new RuntimeException(e);
         }
diff --git a/tests/src/com/android/launcher3/ui/WorkProfileTest.java b/tests/src/com/android/launcher3/ui/WorkProfileTest.java
index 45d20e2..939cfe1 100644
--- a/tests/src/com/android/launcher3/ui/WorkProfileTest.java
+++ b/tests/src/com/android/launcher3/ui/WorkProfileTest.java
@@ -32,7 +32,6 @@
 import com.android.launcher3.allapps.WorkEduCard;
 import com.android.launcher3.allapps.WorkProfileManager;
 import com.android.launcher3.tapl.LauncherInstrumentation;
-import com.android.launcher3.util.rule.ScreenRecordRule.ScreenRecord;
 
 import org.junit.After;
 import org.junit.Before;
@@ -96,7 +95,6 @@
     }
 
     @Test
-    @ScreenRecord // b/202735477
     public void workTabExists() {
         waitForLauncherCondition("Personal tab is missing",
                 launcher -> launcher.getAppsView().isPersonalTabVisible(),
diff --git a/tests/tapl/com/android/launcher3/tapl/BaseOverview.java b/tests/tapl/com/android/launcher3/tapl/BaseOverview.java
index d5479fb..3eb8cf1 100644
--- a/tests/tapl/com/android/launcher3/tapl/BaseOverview.java
+++ b/tests/tapl/com/android/launcher3/tapl/BaseOverview.java
@@ -212,7 +212,7 @@
         try (LauncherInstrumentation.Closable c = mLauncher.addContextLayer(
                 "want to get overview actions")) {
             verifyActiveContainer();
-            UiObject2 overviewActions = mLauncher.waitForLauncherObject("action_buttons");
+            UiObject2 overviewActions = mLauncher.waitForOverviewObject("action_buttons");
             return new OverviewActions(overviewActions, mLauncher);
         }
     }
@@ -224,19 +224,16 @@
         return mLauncher.hasLauncherObject(mLauncher.getOverviewObjectSelector("clear_all"));
     }
 
-    /* TODO(b/197630182): Once b/188790554 is fixed, remove instanceof check. Currently, when
-        swiping from app to overview in Fallback Recents, taskbar remains and no action buttons
-        are visible, so we are only testing Overview for now, not BaseOverview. */
     private void verifyActionsViewVisibility() {
-        if (!(this instanceof Overview) || !hasTasks()) {
+        if (!hasTasks()) {
             return;
         }
         try (LauncherInstrumentation.Closable c = mLauncher.addContextLayer(
                 "want to assert overview actions view visibility")) {
             if (mLauncher.isTablet() && !isOverviewSnappedToFocusedTaskForTablet()) {
-                mLauncher.waitUntilLauncherObjectGone("action_buttons");
+                mLauncher.waitUntilOverviewObjectGone("action_buttons");
             } else {
-                mLauncher.waitForLauncherObject("action_buttons");
+                mLauncher.waitForOverviewObject("action_buttons");
             }
         }
     }
diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index 2fbe460..91b1bc7 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -544,11 +544,11 @@
                     : TestHelpers.getSystemHealthMessage(getContext(), mTestStartTime);
 
             if (systemHealth != null) {
-                return message
-                        + ";\nPerhaps linked to system health problems:\n<<<<<<<<<<<<<<<<<<\n"
+                message += ";\nPerhaps linked to system health problems:\n<<<<<<<<<<<<<<<<<<\n"
                         + systemHealth + "\n>>>>>>>>>>>>>>>>>>";
             }
         }
+        Log.d(TAG, "About to throw the error: " + message, new Exception());
         return message;
     }
 
@@ -1029,6 +1029,10 @@
         waitUntilGoneBySelector(getLauncherObjectSelector(resId));
     }
 
+    void waitUntilOverviewObjectGone(String resId) {
+        waitUntilGoneBySelector(getOverviewObjectSelector(resId));
+    }
+
     void waitUntilLauncherObjectGone(BySelector selector) {
         waitUntilGoneBySelector(makeLauncherSelector(selector));
     }