diff --git a/OWNERS b/OWNERS
index dd9fbf9..2d7a014 100644
--- a/OWNERS
+++ b/OWNERS
@@ -29,6 +29,7 @@
 sihua@google.com
 sunnygoyal@google.com
 tracyzhou@google.com
+tsuharesu@google.com
 twickham@google.com
 vadimt@google.com
 victortulias@google.com
diff --git a/quickstep/res/values/config.xml b/quickstep/res/values/config.xml
index a91507c..d581582 100644
--- a/quickstep/res/values/config.xml
+++ b/quickstep/res/values/config.xml
@@ -49,4 +49,6 @@
     <item name="config_wallpaperMaxScale" format="float" type="dimen">
         @*android:dimen/config_wallpaperMaxScale
     </item>
+
+    <string name="setup_wizard_pkg" translatable="false" />
 </resources>
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
index dde7d94..2fa22f1 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
@@ -45,6 +45,7 @@
 import android.content.res.Resources;
 import android.graphics.PixelFormat;
 import android.graphics.Rect;
+import android.hardware.display.DisplayManager;
 import android.os.Process;
 import android.os.SystemProperties;
 import android.os.Trace;
@@ -218,8 +219,8 @@
                 new TaskbarScrimViewController(this, taskbarScrimView),
                 new TaskbarUnfoldAnimationController(this, unfoldTransitionProgressProvider,
                     mWindowManager,
-                    new RotationChangeProvider(WindowManagerGlobal.getWindowManagerService(), this,
-                        getMainExecutor())),
+                    new RotationChangeProvider(c.getSystemService(DisplayManager.class), this,
+                        getMainThreadHandler())),
                 new TaskbarKeyguardController(this),
                 new StashedHandleViewController(this, stashedHandleView),
                 new TaskbarStashController(this),
@@ -876,7 +877,11 @@
      * as if the user tapped on it (preserving the split pair). Otherwise, launch it normally
      * (potentially breaking a split pair).
      */
-    private void launchFromTaskbarPreservingSplitIfVisible(RecentsView recents, ItemInfo info) {
+    private void launchFromTaskbarPreservingSplitIfVisible(@Nullable RecentsView recents,
+            ItemInfo info) {
+        if (recents == null) {
+            return;
+        }
         ComponentKey componentToBeLaunched = new ComponentKey(info.getTargetComponent(), info.user);
         recents.getSplitSelectController().findLastActiveTaskAndRunCallback(
                 componentToBeLaunched,
diff --git a/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java b/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
index 93baf5b..a56300a 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
@@ -68,6 +68,7 @@
 import android.graphics.RectF;
 import android.hardware.SensorManager;
 import android.hardware.devicestate.DeviceStateManager;
+import android.hardware.display.DisplayManager;
 import android.media.permission.SafeCloseable;
 import android.os.Bundle;
 import android.os.CancellationSignal;
@@ -882,7 +883,7 @@
                         getMainExecutor(),
                         /* backgroundExecutor= */ UI_HELPER_EXECUTOR,
                         /* tracingTagPrefix= */ "launcher",
-                        WindowManagerGlobal.getWindowManagerService()
+                        getSystemService(DisplayManager.class)
                 );
 
         mUnfoldTransitionProgressProvider = unfoldComponent.getUnfoldTransitionProvider()
@@ -901,9 +902,10 @@
                         /* context= */ this,
                         config,
                         getMainExecutor(),
+                        getMainThreadHandler(),
                         /* backgroundExecutor= */ UI_HELPER_EXECUTOR,
                         /* tracingTagPrefix= */ "launcher",
-                        WindowManagerGlobal.getWindowManagerService()
+                        getSystemService(DisplayManager.class)
                 );
 
         final RemoteUnfoldTransitionReceiver remoteUnfoldTransitionProgressProvider =
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index e264a7f..e9385d9 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -878,7 +878,7 @@
         if (DesktopTaskView.DESKTOP_MODE_SUPPORTED && targets.hasDesktopTasks()) {
             mRemoteTargetHandles = mTargetGluer.assignTargetsForDesktop(targets);
         } else {
-            mRemoteTargetHandles = mTargetGluer.assignTargetsForSplitScreen(mContext, targets);
+            mRemoteTargetHandles = mTargetGluer.assignTargetsForSplitScreen(targets);
         }
         mRecentsAnimationController = controller;
         mRecentsAnimationTargets = targets;
diff --git a/quickstep/src/com/android/quickstep/BaseActivityInterface.java b/quickstep/src/com/android/quickstep/BaseActivityInterface.java
index d7ff8ab..3e565b3 100644
--- a/quickstep/src/com/android/quickstep/BaseActivityInterface.java
+++ b/quickstep/src/com/android/quickstep/BaseActivityInterface.java
@@ -350,6 +350,13 @@
     }
 
     /**
+     * Calculates the task size for the desktop task
+     */
+    public final void calculateDesktopTaskSize(Context context, DeviceProfile dp, Rect outRect) {
+        calculateFocusTaskSize(context, dp, outRect);
+    }
+
+    /**
      * Calculates the modal taskView size for the provided device configuration
      */
     public final void calculateModalTaskSize(Context context, DeviceProfile dp, Rect outRect,
diff --git a/quickstep/src/com/android/quickstep/OverviewComponentObserver.java b/quickstep/src/com/android/quickstep/OverviewComponentObserver.java
index 589459f..a8f3c3a 100644
--- a/quickstep/src/com/android/quickstep/OverviewComponentObserver.java
+++ b/quickstep/src/com/android/quickstep/OverviewComponentObserver.java
@@ -37,6 +37,7 @@
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
+import com.android.launcher3.R;
 import com.android.launcher3.tracing.OverviewComponentObserverProto;
 import com.android.launcher3.tracing.TouchInteractionServiceProto;
 import com.android.launcher3.util.SimpleBroadcastReceiver;
@@ -65,6 +66,7 @@
     private final Intent mMyHomeIntent;
     private final Intent mFallbackIntent;
     private final SparseIntArray mConfigChangesMap = new SparseIntArray();
+    private final String mSetupWizardPkg;
 
     private Consumer<Boolean> mOverviewChangeListener = b -> { };
 
@@ -86,6 +88,7 @@
                 new ComponentName(context.getPackageName(), info.activityInfo.name);
         mMyHomeIntent.setComponent(myHomeComponent);
         mConfigChangesMap.append(myHomeComponent.hashCode(), info.activityInfo.configChanges);
+        mSetupWizardPkg = context.getString(R.string.setup_wizard_pkg);
 
         ComponentName fallbackComponent = new ComponentName(mContext, RecentsActivity.class);
         mFallbackIntent = new Intent(Intent.ACTION_MAIN)
@@ -127,6 +130,12 @@
     private void updateOverviewTargets() {
         ComponentName defaultHome = PackageManagerWrapper.getInstance()
                 .getHomeActivities(new ArrayList<>());
+        if (defaultHome != null && defaultHome.getPackageName().equals(mSetupWizardPkg)) {
+            // Treat setup wizard as null default home, because there is a period between setup and
+            // launcher being default home where it is briefly null. Otherwise, it would appear as
+            // if overview targets are changing twice, giving the listener an incorrect signal.
+            defaultHome = null;
+        }
 
         mIsHomeDisabled = mDeviceState.isHomeDisabled();
         mIsDefaultHome = Objects.equals(mMyHomeIntent.getComponent(), defaultHome);
diff --git a/quickstep/src/com/android/quickstep/RemoteTargetGluer.java b/quickstep/src/com/android/quickstep/RemoteTargetGluer.java
index 9b00dcf..f30d3f1 100644
--- a/quickstep/src/com/android/quickstep/RemoteTargetGluer.java
+++ b/quickstep/src/com/android/quickstep/RemoteTargetGluer.java
@@ -89,7 +89,7 @@
      * Length of targets.apps should match that of {@link #mRemoteTargetHandles}.
      *
      * If split screen may be active when this is called, you might want to use
-     * {@link #assignTargetsForSplitScreen(Context, RemoteAnimationTargets)}
+     * {@link #assignTargetsForSplitScreen(RemoteAnimationTargets)}
      */
     public RemoteTargetHandle[] assignTargets(RemoteAnimationTargets targets) {
         for (int i = 0; i < mRemoteTargetHandles.length; i++) {
@@ -102,43 +102,45 @@
     }
 
     /**
-     * Similar to {@link #assignTargets(RemoteAnimationTargets)}, except this matches the
-     * apps in targets.apps to that of the _active_ split screened tasks.
-     * See {@link #assignTargetsForSplitScreen(RemoteAnimationTargets, int[])}
+     * Similar to {@link #assignTargets(RemoteAnimationTargets)}, except this assigns the
+     * apps in {@code targets.apps} to the {@link #mRemoteTargetHandles} with index 0 will being
+     * the left/top task, index 1 right/bottom.
      */
-    public RemoteTargetHandle[] assignTargetsForSplitScreen(
-            Context context, RemoteAnimationTargets targets) {
-        int[] splitIds = TopTaskTracker.INSTANCE.get(context).getRunningSplitTaskIds();
-        return assignTargetsForSplitScreen(targets, splitIds);
-    }
-
-    /**
-     * Assigns the provided splitIDs to the {@link #mRemoteTargetHandles}, with index 0 will being
-     * the left/top task, index 1 right/bottom
-     */
-    public RemoteTargetHandle[] assignTargetsForSplitScreen(RemoteAnimationTargets targets,
-            int[] splitIds) {
-        RemoteAnimationTarget topLeftTarget; // only one set if single/fullscreen task
-        RemoteAnimationTarget bottomRightTarget;
+    public RemoteTargetHandle[] assignTargetsForSplitScreen(RemoteAnimationTargets targets) {
         if (mRemoteTargetHandles.length == 1) {
             // If we're not in split screen, the splitIds count doesn't really matter since we
             // should always hit this case.
             mRemoteTargetHandles[0].mTransformParams.setTargetSet(targets);
             if (targets.apps.length > 0) {
                 // Unclear why/when target.apps length == 0, but it sure does happen :(
-                topLeftTarget = targets.apps[0];
-                mRemoteTargetHandles[0].mTaskViewSimulator.setPreview(topLeftTarget, null);
+                mRemoteTargetHandles[0].mTaskViewSimulator.setPreview(targets.apps[0], null);
             }
         } else {
-            // split screen
-            topLeftTarget = targets.findTask(splitIds[0]);
-            bottomRightTarget = targets.findTask(splitIds[1]);
+            RemoteAnimationTarget topLeftTarget = targets.apps[0];
+
+            // Fetch the adjacent target for split screen.
+            RemoteAnimationTarget bottomRightTarget = null;
+            for (int i = 1; i < targets.apps.length; i++) {
+                final RemoteAnimationTarget target = targets.apps[i];
+                Rect topLeftBounds = getStartBounds(topLeftTarget);
+                Rect bounds = getStartBounds(target);
+                if (topLeftBounds.left > bounds.right || topLeftBounds.top > bounds.bottom) {
+                    bottomRightTarget = topLeftTarget;
+                    topLeftTarget = target;
+                    break;
+                } else if (topLeftBounds.right < bounds.left || topLeftBounds.bottom < bounds.top) {
+                    bottomRightTarget = target;
+                    break;
+                }
+            }
 
             // remoteTargetHandle[0] denotes topLeft task, so we pass in the bottomRight to exclude,
             // vice versa
             mSplitBounds = new SplitBounds(
                     getStartBounds(topLeftTarget),
-                    getStartBounds(bottomRightTarget), splitIds[0], splitIds[1]);
+                    getStartBounds(bottomRightTarget),
+                    topLeftTarget.taskId,
+                    bottomRightTarget.taskId);
             mRemoteTargetHandles[0].mTransformParams.setTargetSet(
                     createRemoteAnimationTargetsForTarget(targets, bottomRightTarget));
             mRemoteTargetHandles[0].mTaskViewSimulator.setPreview(topLeftTarget,
diff --git a/quickstep/src/com/android/quickstep/TaskViewUtils.java b/quickstep/src/com/android/quickstep/TaskViewUtils.java
index 1a72e3f..da97df6 100644
--- a/quickstep/src/com/android/quickstep/TaskViewUtils.java
+++ b/quickstep/src/com/android/quickstep/TaskViewUtils.java
@@ -190,7 +190,7 @@
             if (forDesktop) {
                 remoteTargetHandles = gluer.assignTargetsForDesktop(targets);
             } else if (v.containsMultipleTasks()) {
-                remoteTargetHandles = gluer.assignTargetsForSplitScreen(targets, v.getTaskIds());
+                remoteTargetHandles = gluer.assignTargetsForSplitScreen(targets);
             } else {
                 remoteTargetHandles = gluer.assignTargets(targets);
             }
diff --git a/quickstep/src/com/android/quickstep/TouchInteractionService.java b/quickstep/src/com/android/quickstep/TouchInteractionService.java
index accab38..4680608 100644
--- a/quickstep/src/com/android/quickstep/TouchInteractionService.java
+++ b/quickstep/src/com/android/quickstep/TouchInteractionService.java
@@ -1132,6 +1132,10 @@
             return;
         }
 
+        // TODO(b/258022658): Remove temporary logging.
+        Log.i(TAG, "preloadOverview: forSUWAllSet=" + forSUWAllSet
+                + ", isHomeAndOverviewSame=" + mOverviewComponentObserver.isHomeAndOverviewSame());
+
         mTaskAnimationManager.preloadRecentsAnimation(overviewIntent);
     }
 
diff --git a/quickstep/src/com/android/quickstep/interaction/RootSandboxLayout.java b/quickstep/src/com/android/quickstep/interaction/RootSandboxLayout.java
index ac0c17d..bd0ce34 100644
--- a/quickstep/src/com/android/quickstep/interaction/RootSandboxLayout.java
+++ b/quickstep/src/com/android/quickstep/interaction/RootSandboxLayout.java
@@ -15,17 +15,30 @@
  */
 package com.android.quickstep.interaction;
 
+import static com.android.launcher3.config.FeatureFlags.ENABLE_NEW_GESTURE_NAV_TUTORIAL;
+
 import android.content.Context;
 import android.graphics.Insets;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
+import android.view.View;
 import android.view.WindowInsets;
 import android.widget.RelativeLayout;
 
+import androidx.annotation.NonNull;
 import androidx.fragment.app.FragmentManager;
 
+import com.android.launcher3.R;
+import com.android.launcher3.Utilities;
+
 /** Root layout that TutorialFragment uses to intercept motion events. */
 public class RootSandboxLayout extends RelativeLayout {
+
+    private View mFeedbackView;
+    private View mTutorialStepView;
+    private View mSkipButton;
+    private View mDoneButton;
+
     public RootSandboxLayout(Context context) {
         super(context);
     }
@@ -52,4 +65,51 @@
 
         return getHeight() + insets.top + insets.bottom;
     }
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+        if (ENABLE_NEW_GESTURE_NAV_TUTORIAL.get()) {
+            return;
+        }
+        mFeedbackView = findViewById(R.id.gesture_tutorial_fragment_feedback_view);
+        mTutorialStepView =
+                mFeedbackView.findViewById(R.id.gesture_tutorial_fragment_feedback_tutorial_step);
+        mSkipButton = mFeedbackView.findViewById(R.id.gesture_tutorial_fragment_close_button);
+        mDoneButton = mFeedbackView.findViewById(R.id.gesture_tutorial_fragment_action_button);
+
+        mFeedbackView.addOnLayoutChangeListener(
+                (v, left, top, right, bottom, oldLeft, oldTop, oldRight, oldBottom) -> {
+                    if (mSkipButton.getVisibility() != VISIBLE
+                            && mDoneButton.getVisibility() != VISIBLE) {
+                        return;
+                    }
+                    // Either the skip or the done button is ever shown at once, never both.
+                    boolean showingSkipButton = mSkipButton.getVisibility() == VISIBLE;
+                    boolean isRTL = Utilities.isRtl(getContext().getResources());
+                    updateTutorialStepViewTranslation(
+                            showingSkipButton ? mSkipButton : mDoneButton,
+                            // Translate the step indicator away from whichever button is being
+                            // shown. The skip button in on the left in LTR or on the right in RTL.
+                            // The done button is on the right in LTR or left in RTL.
+                            (showingSkipButton && !isRTL) || (!showingSkipButton && isRTL));
+                });
+    }
+
+    private void updateTutorialStepViewTranslation(
+            @NonNull View anchorView, boolean translateToRight) {
+        mTutorialStepView.setTranslationX(translateToRight
+                ? Math.min(
+                        // Translate to the right if the views are overlapping on large fonts and
+                        // display sizes.
+                        Math.max(0, anchorView.getRight() - mTutorialStepView.getLeft()),
+                        // Do not translate beyond the bounds of the container view.
+                        mFeedbackView.getWidth() - mTutorialStepView.getRight())
+                : Math.max(
+                        // Translate to the left if the views are overlapping on large fonts and
+                        // display sizes.
+                        Math.min(0, anchorView.getLeft() - mTutorialStepView.getRight()),
+                        // Do not translate beyond the bounds of the container view.
+                        -mTutorialStepView.getLeft()));
+    }
 }
diff --git a/quickstep/src/com/android/quickstep/views/DesktopTaskView.java b/quickstep/src/com/android/quickstep/views/DesktopTaskView.java
index 89177b6..14898b1 100644
--- a/quickstep/src/com/android/quickstep/views/DesktopTaskView.java
+++ b/quickstep/src/com/android/quickstep/views/DesktopTaskView.java
@@ -381,6 +381,7 @@
         }
         setOverlayEnabled(false);
         onTaskListVisibilityChanged(false);
+        setVisibility(VISIBLE);
     }
 
     @Override
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index 843b2fb..16935c1 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -450,6 +450,7 @@
     protected final Rect mLastComputedTaskSize = new Rect();
     protected final Rect mLastComputedGridSize = new Rect();
     protected final Rect mLastComputedGridTaskSize = new Rect();
+    protected final Rect mLastComputedDesktopTaskSize = new Rect();
     private TaskView mSelectedTask = null;
     // How much a task that is directly offscreen will be pushed out due to RecentsView scale/pivot.
     @Nullable
@@ -705,6 +706,12 @@
     private ObjectAnimator mActionsViewAlphaAnimator;
     private float mActionsViewAlphaAnimatorFinalValue;
 
+    /**
+     * Keeps track of the desktop task. Optional and only present when the feature flag is enabled.
+     */
+    @Nullable
+    private DesktopTaskView mDesktopTaskView;
+
     private MultiWindowModeChangedListener mMultiWindowModeChangedListener =
             new MultiWindowModeChangedListener() {
                 @Override
@@ -1585,6 +1592,8 @@
         // update the map of instance counts
         mFilterState.updateInstanceCountMap(taskGroups);
 
+        // Clear out desktop view if it is set
+        mDesktopTaskView = null;
         DesktopTask desktopTask = null;
 
         // Add views as children based on whether it's grouped or single task. Looping through
@@ -1643,12 +1652,13 @@
         if (!taskGroups.isEmpty()) {
             addView(mClearAllButton);
 
-            if (DesktopTaskView.DESKTOP_IS_PROTO2_ENABLED) {
-                TaskView taskView = getTaskViewFromPool(TaskView.Type.DESKTOP);
+            if (DesktopTaskView.DESKTOP_IS_PROTO2_ENABLED
+                    && !getSplitSelectController().isSplitSelectActive()) {
+                mDesktopTaskView = (DesktopTaskView) getTaskViewFromPool(TaskView.Type.DESKTOP);
                 // Always add a desktop task to the first position. Even if it is empty
-                addView(taskView, 0);
+                addView(mDesktopTaskView, 0);
                 ArrayList<Task> tasks = desktopTask != null ? desktopTask.tasks : new ArrayList<>();
-                ((DesktopTaskView) taskView).bind(tasks, mOrientationState);
+                mDesktopTaskView.bind(tasks, mOrientationState);
             }
         }
 
@@ -1940,6 +1950,10 @@
                 mLastComputedGridSize);
         mSizeStrategy.calculateGridTaskSize(mActivity, mActivity.getDeviceProfile(),
                 mLastComputedGridTaskSize, mOrientationHandler);
+        if (DesktopTaskView.DESKTOP_IS_PROTO2_ENABLED) {
+            mSizeStrategy.calculateDesktopTaskSize(mActivity, mActivity.getDeviceProfile(),
+                    mLastComputedDesktopTaskSize);
+        }
 
         mTaskGridVerticalDiff = mLastComputedGridTaskSize.top - mLastComputedTaskSize.top;
         mTopBottomRowHeightDiff =
@@ -2030,6 +2044,11 @@
         return mLastComputedGridTaskSize;
     }
 
+    /** Gets the last computed desktop task size */
+    public Rect getLastComputedDesktopTaskSize() {
+        return mLastComputedDesktopTaskSize;
+    }
+
     /** Gets the task size for modal state. */
     public void getModalTaskSize(Rect outRect) {
         mSizeStrategy.calculateModalTaskSize(mActivity, mActivity.getDeviceProfile(), outRect,
@@ -2764,10 +2783,17 @@
             } else if (taskView.isDesktopTask()) {
                 // Desktop task was not focused. Pin it to the right of focused
                 desktopTaskIndex = i;
-                gridTranslations[i] += mIsRtl ? taskWidthAndSpacing : -taskWidthAndSpacing;
+                if (taskView.getVisibility() == View.GONE) {
+                    // Desktop task view is hidden, skip it from grid calculations
+                    continue;
+                }
+                if (!ENABLE_GRID_ONLY_OVERVIEW.get()) {
+                    // Only apply x-translation when using legacy overview grid
+                    gridTranslations[i] += mIsRtl ? taskWidthAndSpacing : -taskWidthAndSpacing;
+                }
 
                 // Center view vertically in case it's from different orientation.
-                taskView.setGridTranslationY((mLastComputedTaskSize.height() + taskTopMargin
+                taskView.setGridTranslationY((mLastComputedDesktopTaskSize.height() + taskTopMargin
                         - taskView.getLayoutParams().height) / 2f);
             } else {
                 if (i > focusedTaskIndex) {
@@ -4454,6 +4480,9 @@
         mSplitSelectStateController.setAnimateCurrentTaskDismissal(
                 true /*animateCurrentTaskDismissal*/);
         mSplitHiddenTaskViewIndex = indexOfChild(taskView);
+        if (DesktopTaskView.DESKTOP_IS_PROTO2_ENABLED) {
+            updateDesktopTaskVisibility(false /* visible */);
+        }
     }
 
     /**
@@ -4470,6 +4499,15 @@
         mSplitSelectStateController.setInitialTaskSelect(splitSelectSource.intent,
                 splitSelectSource.position.stagePosition, splitSelectSource.itemInfo,
                 splitSelectSource.splitEvent, splitSelectSource.alreadyRunningTaskId);
+        if (DesktopTaskView.DESKTOP_IS_PROTO2_ENABLED) {
+            updateDesktopTaskVisibility(false /* visible */);
+        }
+    }
+
+    private void updateDesktopTaskVisibility(boolean visible) {
+        if (mDesktopTaskView != null) {
+            mDesktopTaskView.setVisibility(visible ? VISIBLE : GONE);
+        }
     }
 
     /**
@@ -4620,6 +4658,9 @@
             mSplitHiddenTaskView.setThumbnailVisibility(VISIBLE);
             mSplitHiddenTaskView = null;
         }
+        if (DesktopTaskView.DESKTOP_IS_PROTO2_ENABLED) {
+            updateDesktopTaskVisibility(true /* visible */);
+        }
     }
 
     private void safeRemoveDragLayerView(@Nullable View viewToRemove) {
@@ -4991,8 +5032,7 @@
             mRemoteTargetHandles = gluer.assignTargetsForDesktop(recentsAnimationTargets);
         } else {
             gluer = new RemoteTargetGluer(getContext(), getSizeStrategy());
-            mRemoteTargetHandles = gluer.assignTargetsForSplitScreen(
-                    getContext(), recentsAnimationTargets);
+            mRemoteTargetHandles = gluer.assignTargetsForSplitScreen(recentsAnimationTargets);
         }
         mSplitBoundsConfig = gluer.getSplitBounds();
         // Add release check to the targets from the RemoteTargetGluer and not the targets
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.java b/quickstep/src/com/android/quickstep/views/TaskView.java
index b9aaef6..ab72f2d 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskView.java
@@ -1619,7 +1619,12 @@
             int boxWidth;
             int boxHeight;
             boolean isFocusedTask = isFocusedTask();
-            if (isFocusedTask || isDesktopTask()) {
+            if (isDesktopTask()) {
+                Rect lastComputedDesktopTaskSize =
+                        getRecentsView().getLastComputedDesktopTaskSize();
+                boxWidth = lastComputedDesktopTaskSize.width();
+                boxHeight = lastComputedDesktopTaskSize.height();
+            } else if (isFocusedTask) {
                 // Task will be focused and should use focused task size. Use focusTaskRatio
                 // that is associated with the original orientation of the focused task.
                 boxWidth = taskWidth;
diff --git a/src/com/android/launcher3/MultipageCellLayout.java b/src/com/android/launcher3/MultipageCellLayout.java
index 0d59848..6a518a7 100644
--- a/src/com/android/launcher3/MultipageCellLayout.java
+++ b/src/com/android/launcher3/MultipageCellLayout.java
@@ -70,7 +70,7 @@
     boolean createAreaForResize(int cellX, int cellY, int spanX, int spanY, View dragView,
             int[] direction, boolean commit) {
         // Add seam to x position
-        if (cellX > mCountX / 2) {
+        if (cellX >= mCountX / 2) {
             cellX++;
         }
         int finalCellX = cellX;
@@ -109,7 +109,7 @@
         lp.canReorder = false;
         mCountX++;
         mShortcutsAndWidgets.addViewInLayout(mSeam, lp);
-        mOccupied = createGridOccupancy();
+        mOccupied = createGridOccupancyWithSeam(mOccupied);
         mTmpOccupied = new GridOccupancy(mCountX, mCountY);
     }
 
@@ -139,14 +139,19 @@
         return solution;
     }
 
-    GridOccupancy createGridOccupancy() {
-        GridOccupancy grid = new GridOccupancy(mCountX, mCountY);
-        for (int i = 0; i < mShortcutsAndWidgets.getChildCount(); i++) {
-            View view = mShortcutsAndWidgets.getChildAt(i);
-            CellLayoutLayoutParams lp = (CellLayoutLayoutParams) view.getLayoutParams();
-            int seamOffset = lp.getCellX() >= mCountX / 2 && lp.canReorder ? 1 : 0;
-            grid.markCells(lp.getCellX() + seamOffset, lp.getCellY(), lp.cellHSpan, lp.cellVSpan,
-                    true);
+
+
+    GridOccupancy createGridOccupancyWithSeam(GridOccupancy gridOccupancy) {
+        GridOccupancy grid = new GridOccupancy(getCountX(), getCountY());
+        for (int x = 0; x < getCountX(); x++) {
+            for (int y = 0; y < getCountY(); y++) {
+                int offset = x >= getCountX() / 2 ? 1 : 0;
+                if (x == getCountX() / 2) {
+                    grid.cells[x][y] = true;
+                } else {
+                    grid.cells[x][y] = gridOccupancy.cells[x - offset][y];
+                }
+            }
         }
         return grid;
     }
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index c98b60f..98b61d1 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -21,9 +21,14 @@
 
 import android.content.Context;
 
+import androidx.annotation.VisibleForTesting;
+
 import com.android.launcher3.BuildConfig;
 import com.android.launcher3.Utilities;
 
+import java.util.function.Predicate;
+import java.util.function.ToIntFunction;
+
 /**
  * Defines a set of flags used to control various launcher behaviors.
  *
@@ -33,6 +38,11 @@
 
     public static final String FLAGS_PREF_NAME = "featureFlags";
 
+    @VisibleForTesting
+    public static Predicate<BooleanFlag> sBooleanReader = f -> f.mCurrentValue;
+    @VisibleForTesting
+    public static ToIntFunction<IntFlag> sIntReader = f -> f.mCurrentValue;
+
     private FeatureFlags() { }
 
     public static boolean showFlagTogglerUi(Context context) {
@@ -385,7 +395,7 @@
         }
 
         public boolean get() {
-            return mCurrentValue;
+            return sBooleanReader.test(this);
         }
     }
 
@@ -401,7 +411,7 @@
         }
 
         public int get() {
-            return mCurrentValue;
+            return sIntReader.applyAsInt(this);
         }
     }
 }
diff --git a/src/com/android/launcher3/graphics/PreloadIconDrawable.java b/src/com/android/launcher3/graphics/PreloadIconDrawable.java
index 8efd12a..5a50569 100644
--- a/src/com/android/launcher3/graphics/PreloadIconDrawable.java
+++ b/src/com/android/launcher3/graphics/PreloadIconDrawable.java
@@ -92,7 +92,7 @@
     private static final int PRELOAD_BACKGROUND_COLOR_INDEX = 1;
 
     private static final int ALPHA_DURATION_MILLIS = 3000;
-    private static final int OVERLAY_ALPHA_RANGE = 127;
+    private static final int OVERLAY_ALPHA_RANGE = 191;
     private static final long WAVE_MOTION_DELAY_FACTOR_MILLIS = 100;
     private static final WeakHashMap<Integer, PorterDuffColorFilter> COLOR_FILTER_MAP =
             new WeakHashMap<>();
diff --git a/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java b/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java
index f8068aa..77781bd 100644
--- a/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java
+++ b/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java
@@ -201,6 +201,7 @@
     private TextView mHeaderTitle;
     private FrameLayout mRightPane;
     private WidgetsListTableViewHolderBinder mWidgetsListTableViewHolderBinder;
+    private DeviceProfile mDeviceProfile;
     private final boolean mIsTwoPane;
 
     private int mOrientation;
@@ -210,8 +211,10 @@
 
     public WidgetsFullSheet(Context context, AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
-        DeviceProfile dp = Launcher.getLauncher(context).getDeviceProfile();
-        mIsTwoPane = dp.isTablet && dp.isLandscape && LARGE_SCREEN_WIDGET_PICKER.get();
+        mDeviceProfile = Launcher.getLauncher(context).getDeviceProfile();
+        mIsTwoPane = mDeviceProfile.isTablet
+                && mDeviceProfile.isLandscape
+                && LARGE_SCREEN_WIDGET_PICKER.get();
         mHasWorkProfile = context.getSystemService(LauncherApps.class).getProfiles().size() > 1;
         mAdapters.put(AdapterHolder.PRIMARY, new AdapterHolder(AdapterHolder.PRIMARY));
         mAdapters.put(AdapterHolder.WORK, new AdapterHolder(AdapterHolder.WORK));
@@ -874,7 +877,9 @@
         }
 
         // Checks the orientation of the screen
-        if (LARGE_SCREEN_WIDGET_PICKER.get() && mOrientation != newConfig.orientation) {
+        if (LARGE_SCREEN_WIDGET_PICKER.get()
+                && mOrientation != newConfig.orientation
+                && mDeviceProfile.isTablet) {
             mOrientation = newConfig.orientation;
             handleClose(false);
             show(Launcher.getLauncher(getContext()), false);
diff --git a/tests/src/com/android/launcher3/util/TestUtil.java b/tests/src/com/android/launcher3/util/TestUtil.java
index d7c6c4f..433fd31 100644
--- a/tests/src/com/android/launcher3/util/TestUtil.java
+++ b/tests/src/com/android/launcher3/util/TestUtil.java
@@ -27,12 +27,18 @@
 
 import androidx.test.uiautomator.UiDevice;
 
+import com.android.launcher3.config.FeatureFlags;
+import com.android.launcher3.config.FeatureFlags.BooleanFlag;
+import com.android.launcher3.config.FeatureFlags.IntFlag;
+
 import org.junit.Assert;
 
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.concurrent.CountDownLatch;
+import java.util.function.Predicate;
+import java.util.function.ToIntFunction;
 
 public class TestUtil {
     public static final String DUMMY_PACKAGE = "com.example.android.aardwolf";
@@ -68,6 +74,36 @@
         }
     }
 
+    /**
+     * Utility class to override a boolean flag during test. Note that the returned SafeCloseable
+     * must be closed to restore the original state
+     */
+    public static SafeCloseable overrideFlag(BooleanFlag flag, boolean value) {
+        Predicate<BooleanFlag> originalProxy = FeatureFlags.sBooleanReader;
+        Predicate<BooleanFlag> testProxy = f -> f == flag ? value : originalProxy.test(f);
+        FeatureFlags.sBooleanReader = testProxy;
+        return () -> {
+            if (FeatureFlags.sBooleanReader == testProxy) {
+                FeatureFlags.sBooleanReader = originalProxy;
+            }
+        };
+    }
+
+    /**
+     * Utility class to override a int flag during test. Note that the returned SafeCloseable
+     * must be closed to restore the original state
+     */
+    public static SafeCloseable overrideFlag(IntFlag flag, int value) {
+        ToIntFunction<IntFlag> originalProxy = FeatureFlags.sIntReader;
+        ToIntFunction<IntFlag> testProxy = f -> f == flag ? value : originalProxy.applyAsInt(f);
+        FeatureFlags.sIntReader = testProxy;
+        return () -> {
+            if (FeatureFlags.sIntReader == testProxy) {
+                FeatureFlags.sIntReader = originalProxy;
+            }
+        };
+    }
+
     public static void uninstallDummyApp() throws IOException {
         UiDevice.getInstance(getInstrumentation()).executeShellCommand(
                 "pm uninstall " + DUMMY_PACKAGE);