diff --git a/quickstep/res/layout/overview_panel.xml b/quickstep/res/layout/overview_panel.xml
index f303f31..01d675f 100644
--- a/quickstep/res/layout/overview_panel.xml
+++ b/quickstep/res/layout/overview_panel.xml
@@ -25,13 +25,6 @@
         android:clipToPadding="false"
         android:visibility="invisible" />
 
-    <com.android.quickstep.views.SplitPlaceholderView
-        android:id="@+id/split_placeholder"
-        android:layout_width="match_parent"
-        android:layout_height="@dimen/split_placeholder_size"
-        android:background="@android:color/darker_gray"
-        android:visibility="gone" />
-
     <include
         android:id="@+id/overview_actions_view"
         layout="@layout/overview_actions_container" />
diff --git a/quickstep/res/values/dimens.xml b/quickstep/res/values/dimens.xml
index 5ea94e9..c9e33a7 100644
--- a/quickstep/res/values/dimens.xml
+++ b/quickstep/res/values/dimens.xml
@@ -228,7 +228,7 @@
     <dimen name="taskbar_contextual_buttons_size">35dp</dimen>
     <dimen name="taskbar_stashed_size">24dp</dimen>
     <dimen name="taskbar_stashed_handle_width">220dp</dimen>
-    <dimen name="taskbar_stashed_handle_height">6dp</dimen>
+    <dimen name="taskbar_stashed_handle_height">4dp</dimen>
     <dimen name="taskbar_edu_wave_anim_trans_y">25dp</dimen>
     <dimen name="taskbar_edu_wave_anim_trans_y_return_overshoot">4dp</dimen>
 </resources>
diff --git a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
index 2622700..5e8db69 100644
--- a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
@@ -20,7 +20,6 @@
 
 import android.animation.Animator;
 import android.annotation.ColorInt;
-import android.graphics.Rect;
 import android.os.RemoteException;
 import android.util.Log;
 import android.view.MotionEvent;
@@ -114,13 +113,6 @@
         return !mTaskbarLauncherStateController.isAnimatingToLauncher();
     }
 
-    @Override
-    protected void updateContentInsets(Rect outContentInsets) {
-        int contentHeight = mControllers.taskbarStashController.getContentHeight();
-        TaskbarDragLayer dragLayer = mControllers.taskbarActivityContext.getDragLayer();
-        outContentInsets.top = dragLayer.getHeight() - contentHeight;
-    }
-
     /**
      * Should be called from onResume() and onPause(), and animates the Taskbar accordingly.
      */
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
index 806b390..a918016 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
@@ -181,10 +181,13 @@
         }
 
         /**
-         * Called to update the {@link InsetsInfo#contentInsets}.
+         * Called to update the {@link InsetsInfo#contentInsets}. This is reported to apps but our
+         * internal launcher will ignore these insets.
          */
         public void updateContentInsets(Rect outContentInsets) {
-            mControllers.uiController.updateContentInsets(outContentInsets);
+            int contentHeight = mControllers.taskbarStashController
+                    .getContentHeightToReportToApps();
+            outContentInsets.top = mTaskbarDragLayer.getHeight() - contentHeight;
         }
 
         /**
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarLauncherStateController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarLauncherStateController.java
index 593bfd8..e2ba459 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarLauncherStateController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarLauncherStateController.java
@@ -375,12 +375,12 @@
 
             // Update the resumed state immediately to ensure a seamless handoff
             boolean launcherResumed = !finishedToApp;
-            mIconAlignmentForResumedState.updateValue(launcherResumed ? 1 : 0);
-
             updateStateForFlag(FLAG_RECENTS_ANIMATION_RUNNING, false);
             updateStateForFlag(FLAG_RESUMED, launcherResumed);
             applyState();
-
+            // Set this last because applyState() might also animate it.
+            mIconAlignmentForResumedState.cancelAnimation();
+            mIconAlignmentForResumedState.updateValue(launcherResumed ? 1 : 0);
 
             TaskbarStashController controller = mControllers.taskbarStashController;
             controller.updateStateForFlag(FLAG_IN_APP, finishedToApp);
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
index 5b275d0..8308d75 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
@@ -53,10 +53,17 @@
     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
+    private 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_IME;
 
+    // If any of these flags are enabled, inset apps by our stashed height instead of our unstashed
+    // height. This way the reported insets are consistent even during transitions out of the app.
+    // Currently any flag that causes us to stash in an app is included, except for IME since that
+    // covers the underlying app anyway and thus the app shouldn't change insets.
+    private static final int FLAGS_REPORT_STASHED_INSETS_TO_APP = FLAGS_STASHED_IN_APP
+            & ~FLAG_STASHED_IN_APP_IME;
+
     /**
      * How long to stash/unstash when manually invoked via long press.
      */
@@ -239,8 +246,11 @@
         return !mIsStashed && (mState & FLAG_IN_APP) != 0;
     }
 
-    public int getContentHeight() {
-        if (isStashed()) {
+    /**
+     * Returns the height that taskbar will inset when inside apps.
+     */
+    public int getContentHeightToReportToApps() {
+        if (hasAnyFlag(FLAGS_REPORT_STASHED_INSETS_TO_APP)) {
             boolean isAnimating = mAnimator != null && mAnimator.isStarted();
             return mControllers.stashedHandleViewController.isStashedHandleVisible() || isAnimating
                     ? mStashedHeight : 0;
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java
index f6bc785..abad906 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java
@@ -15,7 +15,6 @@
  */
 package com.android.launcher3.taskbar;
 
-import android.graphics.Rect;
 import android.view.View;
 
 import androidx.annotation.CallSuper;
@@ -49,8 +48,6 @@
         return true;
     }
 
-    protected void updateContentInsets(Rect outContentInsets) { }
-
     protected void onStashedInAppChanged() { }
 
     public Stream<ItemInfoWithIcon> getAppIconsForEdu() {
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index 1a901f1..0e5282a 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -74,6 +74,7 @@
 import android.view.WindowInsets;
 import android.view.animation.Interpolator;
 import android.widget.Toast;
+import android.window.PictureInPictureSurfaceTransaction;
 
 import androidx.annotation.Nullable;
 import androidx.annotation.UiThread;
@@ -90,6 +91,7 @@
 import com.android.launcher3.statemanager.StatefulActivity;
 import com.android.launcher3.tracing.InputConsumerProto;
 import com.android.launcher3.tracing.SwipeHandlerProto;
+import com.android.launcher3.util.ActivityLifecycleCallbacksAdapter;
 import com.android.launcher3.util.TraceHelper;
 import com.android.launcher3.util.WindowBounds;
 import com.android.quickstep.BaseActivityInterface.AnimationFactory;
@@ -97,7 +99,6 @@
 import com.android.quickstep.RemoteTargetGluer.RemoteTargetHandle;
 import com.android.quickstep.util.ActiveGestureLog;
 import com.android.quickstep.util.ActivityInitListener;
-import com.android.launcher3.util.ActivityLifecycleCallbacksAdapter;
 import com.android.quickstep.util.AnimatorControllerWithResistance;
 import com.android.quickstep.util.InputConsumerProxy;
 import com.android.quickstep.util.InputProxyHandlerFactory;
@@ -1261,7 +1262,8 @@
             HomeAnimationFactory homeAnimFactory =
                     createHomeAnimationFactory(cookies, duration, isTranslucent, appCanEnterPip,
                             runningTaskTarget);
-            mIsSwipingPipToHome = homeAnimFactory.supportSwipePipToHome() && appCanEnterPip;
+            mIsSwipingPipToHome = !mIsSwipeForStagedSplit
+                    && homeAnimFactory.supportSwipePipToHome() && appCanEnterPip;
             final RectFSpringAnim[] windowAnim;
             if (mIsSwipingPipToHome) {
                 mSwipePipToHomeAnimator = createWindowAnimationToPip(
@@ -1728,7 +1730,7 @@
             // If there are no targets or the animation not started, then there is nothing to finish
             mStateCallback.setStateOnUiThread(STATE_CURRENT_TASK_FINISHED);
         } else {
-            maybeFinishSwipePipToHome();
+            maybeFinishSwipeToHome();
             finishRecentsControllerToHome(
                     () -> mStateCallback.setStateOnUiThread(STATE_CURRENT_TASK_FINISHED));
         }
@@ -1737,10 +1739,11 @@
     }
 
     /**
-     * Resets the {@link #mIsSwipingPipToHome} and notifies SysUI that transition is finished
-     * if applicable. This should happen before {@link #finishRecentsControllerToHome(Runnable)}.
+     * Notifies SysUI that transition is finished if applicable and also pass leash transactions
+     * from Launcher to WM.
+     * This should happen before {@link #finishRecentsControllerToHome(Runnable)}.
      */
-    private void maybeFinishSwipePipToHome() {
+    private void maybeFinishSwipeToHome() {
         if (mIsSwipingPipToHome && mSwipePipToHomeAnimators[0] != null) {
             SystemUiProxy.INSTANCE.get(mContext).stopSwipePipToHome(
                     mSwipePipToHomeAnimator.getComponentName(),
@@ -1751,6 +1754,18 @@
                     mSwipePipToHomeAnimator.getFinishTransaction(),
                     mSwipePipToHomeAnimator.getContentOverlay());
             mIsSwipingPipToHome = false;
+        } else if (mIsSwipeForStagedSplit) {
+            // Transaction to hide the task to avoid flicker for entering PiP from split-screen.
+            PictureInPictureSurfaceTransaction tx =
+                    new PictureInPictureSurfaceTransaction.Builder()
+                            .setAlpha(0f)
+                            .build();
+            int[] taskIds =
+                        LauncherSplitScreenListener.INSTANCE.getNoCreate().getRunningSplitTaskIds();
+            for (int taskId : taskIds) {
+                mRecentsAnimationController.setFinishTaskTransaction(taskId,
+                        tx, null /* overlay */);
+            }
         }
     }
 
diff --git a/quickstep/src/com/android/quickstep/OrientationRectF.java b/quickstep/src/com/android/quickstep/OrientationRectF.java
index 59a202c..aa01b05 100644
--- a/quickstep/src/com/android/quickstep/OrientationRectF.java
+++ b/quickstep/src/com/android/quickstep/OrientationRectF.java
@@ -66,7 +66,7 @@
         return applyTransform(event, deltaRotation(mRotation, currentRotation), forceTransform);
     }
 
-    private boolean applyTransform(MotionEvent event, int deltaRotation, boolean forceTransform) {
+    public boolean applyTransform(MotionEvent event, int deltaRotation, boolean forceTransform) {
         mTmpMatrix.reset();
         postDisplayRotation(deltaRotation, mHeight, mWidth, mTmpMatrix);
         if (forceTransform) {
diff --git a/quickstep/src/com/android/quickstep/OrientationTouchTransformer.java b/quickstep/src/com/android/quickstep/OrientationTouchTransformer.java
index ecff4f1..d2d3ba3 100644
--- a/quickstep/src/com/android/quickstep/OrientationTouchTransformer.java
+++ b/quickstep/src/com/android/quickstep/OrientationTouchTransformer.java
@@ -22,6 +22,7 @@
 import static android.view.MotionEvent.ACTION_POINTER_DOWN;
 import static android.view.MotionEvent.ACTION_UP;
 
+import static com.android.launcher3.states.RotationHelper.deltaRotation;
 import android.content.res.Resources;
 import android.graphics.Point;
 import android.graphics.RectF;
@@ -358,7 +359,18 @@
                 if (mLastRectTouched == null) {
                     return;
                 }
-                mLastRectTouched.applyTransformFromRotation(event, mCurrentDisplay.rotation, true);
+                if (TaskAnimationManager.ENABLE_SHELL_TRANSITIONS) {
+                    if (event.getSurfaceRotation() != mActiveTouchRotation) {
+                        // With Shell transitions, we should rotated to the orientation at the start
+                        // of the gesture not the current display rotation which will happen early
+                        mLastRectTouched.applyTransform(event,
+                                deltaRotation(event.getSurfaceRotation(), mActiveTouchRotation),
+                                true);
+                    }
+                } else {
+                    mLastRectTouched.applyTransformFromRotation(event, mCurrentDisplay.rotation,
+                            true);
+                }
                 break;
             }
             case ACTION_CANCEL:
@@ -366,7 +378,18 @@
                 if (mLastRectTouched == null) {
                     return;
                 }
-                mLastRectTouched.applyTransformFromRotation(event, mCurrentDisplay.rotation, true);
+                if (TaskAnimationManager.ENABLE_SHELL_TRANSITIONS) {
+                    if (event.getSurfaceRotation() != mActiveTouchRotation) {
+                        // With Shell transitions, we should rotated to the orientation at the start
+                        // of the gesture not the current display rotation which will happen early
+                        mLastRectTouched.applyTransform(event,
+                                deltaRotation(event.getSurfaceRotation(), mActiveTouchRotation),
+                                true);
+                    }
+                } else {
+                    mLastRectTouched.applyTransformFromRotation(event, mCurrentDisplay.rotation,
+                            true);
+                }
                 mLastRectTouched = null;
                 break;
             }
diff --git a/quickstep/src/com/android/quickstep/RemoteTargetGluer.java b/quickstep/src/com/android/quickstep/RemoteTargetGluer.java
index b031c47..a12a670 100644
--- a/quickstep/src/com/android/quickstep/RemoteTargetGluer.java
+++ b/quickstep/src/com/android/quickstep/RemoteTargetGluer.java
@@ -117,8 +117,8 @@
             secondaryTaskTarget = targets.findTask(splitIds[1]);
 
             mStagedSplitBounds = new StagedSplitBounds(
-                    primaryTaskTarget.screenSpaceBounds,
-                    secondaryTaskTarget.screenSpaceBounds, splitIds[0], splitIds[1]);
+                    primaryTaskTarget.startScreenSpaceBounds,
+                    secondaryTaskTarget.startScreenSpaceBounds, splitIds[0], splitIds[1]);
             mRemoteTargetHandles[0].mTransformParams.setTargetSet(
                     createRemoteAnimationTargetsForTarget(primaryTaskTarget, targets));
             mRemoteTargetHandles[0].mTaskViewSimulator.setPreview(primaryTaskTarget,
diff --git a/quickstep/src/com/android/quickstep/fallback/FallbackRecentsStateController.java b/quickstep/src/com/android/quickstep/fallback/FallbackRecentsStateController.java
index 50b69dc..ff175f1 100644
--- a/quickstep/src/com/android/quickstep/fallback/FallbackRecentsStateController.java
+++ b/quickstep/src/com/android/quickstep/fallback/FallbackRecentsStateController.java
@@ -24,14 +24,22 @@
 import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_TRANSLATE_Y;
 import static com.android.launcher3.states.StateAnimationConfig.ANIM_SCRIM_FADE;
 import static com.android.launcher3.states.StateAnimationConfig.SKIP_OVERVIEW;
+import static com.android.quickstep.fallback.RecentsState.OVERVIEW_SPLIT_SELECT;
 import static com.android.quickstep.views.RecentsView.ADJACENT_PAGE_HORIZONTAL_OFFSET;
 import static com.android.quickstep.views.RecentsView.FULLSCREEN_PROGRESS;
 import static com.android.quickstep.views.RecentsView.RECENTS_GRID_PROGRESS;
 import static com.android.quickstep.views.RecentsView.RECENTS_SCALE_PROPERTY;
 import static com.android.quickstep.views.RecentsView.TASK_MODALNESS;
+import static com.android.quickstep.views.RecentsView.TASK_PRIMARY_SPLIT_TRANSLATION;
+import static com.android.quickstep.views.RecentsView.TASK_SECONDARY_SPLIT_TRANSLATION;
 import static com.android.quickstep.views.RecentsView.TASK_SECONDARY_TRANSLATION;
 import static com.android.quickstep.views.TaskView.FLAG_UPDATE_ALL;
 
+import android.util.FloatProperty;
+import android.util.Pair;
+
+import androidx.annotation.NonNull;
+
 import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.anim.PropertySetter;
 import com.android.launcher3.statemanager.StateManager.StateHandler;
@@ -100,5 +108,31 @@
 
         setter.setViewBackgroundColor(mActivity.getScrimView(), state.getScrimColor(mActivity),
                 config.getInterpolator(ANIM_SCRIM_FADE, LINEAR));
+
+        RecentsState currentState = mActivity.getStateManager().getState();
+        if (isSplitSelectionState(state) && !isSplitSelectionState(currentState)) {
+            setter.add(mRecentsView.createSplitSelectInitAnimation().buildAnim());
+        }
+
+        Pair<FloatProperty, FloatProperty> taskViewsFloat =
+                mRecentsView.getPagedOrientationHandler().getSplitSelectTaskOffset(
+                        TASK_PRIMARY_SPLIT_TRANSLATION, TASK_SECONDARY_SPLIT_TRANSLATION,
+                        mActivity.getDeviceProfile());
+        setter.setFloat(mRecentsView, taskViewsFloat.second, 0, LINEAR);
+        if (isSplitSelectionState(state)) {
+            mRecentsView.applySplitPrimaryScrollOffset();
+            setter.setFloat(mRecentsView, taskViewsFloat.first,
+                    mRecentsView.getSplitSelectTranslation(), LINEAR);
+        } else {
+            mRecentsView.resetSplitPrimaryScrollOffset();
+            setter.setFloat(mRecentsView, taskViewsFloat.first, 0, LINEAR);
+        }
+    }
+
+    /**
+     * @return true if {@param toState} is {@link RecentsState#OVERVIEW_SPLIT_SELECT}
+     */
+    private boolean isSplitSelectionState(@NonNull RecentsState toState) {
+        return toState == OVERVIEW_SPLIT_SELECT;
     }
 }
diff --git a/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java b/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java
index 5b4eb8b..69da977 100644
--- a/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java
+++ b/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java
@@ -19,12 +19,12 @@
 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;
+import static com.android.quickstep.fallback.RecentsState.OVERVIEW_SPLIT_SELECT;
 
 import android.animation.AnimatorSet;
 import android.annotation.TargetApi;
 import android.app.ActivityManager.RunningTaskInfo;
 import android.content.Context;
-import android.content.res.Configuration;
 import android.os.Build;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
@@ -35,6 +35,7 @@
 import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.statemanager.StateManager.StateListener;
+import com.android.launcher3.util.SplitConfigurationOptions;
 import com.android.quickstep.FallbackActivityInterface;
 import com.android.quickstep.GestureState;
 import com.android.quickstep.RecentsActivity;
@@ -208,6 +209,13 @@
     }
 
     @Override
+    public void initiateSplitSelect(TaskView taskView,
+            @SplitConfigurationOptions.StagePosition int stagePosition) {
+        super.initiateSplitSelect(taskView, stagePosition);
+        mActivity.getStateManager().goToState(OVERVIEW_SPLIT_SELECT);
+    }
+
+    @Override
     public void onStateTransitionStart(RecentsState toState) {
         setOverviewStateEnabled(true);
         setOverviewGridEnabled(toState.displayOverviewTasksAsGrid(mActivity.getDeviceProfile()));
@@ -246,12 +254,4 @@
         // Do not let touch escape to siblings below this view.
         return result || mActivity.getStateManager().getState().overviewUi();
     }
-
-    @Override
-    protected void onConfigurationChanged(Configuration newConfig) {
-        super.onConfigurationChanged(newConfig);
-
-        // Reset modal state if full configuration changes
-        setModalStateEnabled(false);
-    }
 }
diff --git a/quickstep/src/com/android/quickstep/fallback/RecentsState.java b/quickstep/src/com/android/quickstep/fallback/RecentsState.java
index 917b58a..15feb18 100644
--- a/quickstep/src/com/android/quickstep/fallback/RecentsState.java
+++ b/quickstep/src/com/android/quickstep/fallback/RecentsState.java
@@ -51,6 +51,8 @@
             FLAG_DISABLE_RESTORE | FLAG_NON_INTERACTIVE | FLAG_FULL_SCREEN | FLAG_OVERVIEW_UI);
     public static final RecentsState HOME = new RecentsState(3, 0);
     public static final RecentsState BG_LAUNCHER = new LauncherState(4, 0);
+    public static final RecentsState OVERVIEW_SPLIT_SELECT = new RecentsState(5,
+            FLAG_SHOW_AS_GRID | FLAG_SCRIM | FLAG_OVERVIEW_UI);
 
     public final int ordinal;
     private final int mFlags;
diff --git a/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java b/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java
index 8ccab71..ae8e45a 100644
--- a/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java
+++ b/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java
@@ -52,6 +52,7 @@
 import com.android.launcher3.util.SettingsCache;
 import com.android.quickstep.BaseActivityInterface;
 import com.android.quickstep.SystemUiProxy;
+import com.android.quickstep.TaskAnimationManager;
 import com.android.quickstep.views.TaskView;
 
 import java.lang.annotation.Retention;
@@ -340,6 +341,11 @@
 
     @SurfaceRotation
     public int getDisplayRotation() {
+        if (TaskAnimationManager.ENABLE_SHELL_TRANSITIONS) {
+            // When shell transitions are enabled, both the display and activity rotations should
+            // be the same once the gesture starts
+            return mRecentsActivityRotation;
+        }
         return mDisplayRotation;
     }
 
diff --git a/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java b/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
index f676091..f66a6de 100644
--- a/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
+++ b/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
@@ -44,6 +44,7 @@
 import com.android.launcher3.util.TraceHelper;
 import com.android.quickstep.AnimatedFloat;
 import com.android.quickstep.BaseActivityInterface;
+import com.android.quickstep.TaskAnimationManager;
 import com.android.quickstep.views.TaskThumbnailView.PreviewPositionHelper;
 import com.android.quickstep.views.TaskView.FullscreenDrawParams;
 import com.android.systemui.shared.recents.model.ThumbnailData;
@@ -170,7 +171,7 @@
      * Sets the targets which the simulator will control
      */
     public void setPreview(RemoteAnimationTargetCompat runningTarget) {
-        setPreviewBounds(runningTarget.screenSpaceBounds, runningTarget.contentInsets);
+        setPreviewBounds(runningTarget.startScreenSpaceBounds, runningTarget.contentInsets);
     }
 
     /**
@@ -304,7 +305,13 @@
             mOrientationStateId = mOrientationState.getStateId();
 
             getFullScreenScale();
-            mThumbnailData.rotation = mOrientationState.getDisplayRotation();
+            if (TaskAnimationManager.ENABLE_SHELL_TRANSITIONS) {
+                // With shell transitions, the display is rotated early so we need to actually use
+                // the rotation when the gesture starts
+                mThumbnailData.rotation = mOrientationState.getTouchRotation();
+            } else {
+                mThumbnailData.rotation = mOrientationState.getDisplayRotation();
+            }
 
             // mIsRecentsRtl is the inverse of TaskView RTL.
             boolean isRtlEnabled = !mIsRecentsRtl;
diff --git a/quickstep/src/com/android/quickstep/views/FloatingTaskView.java b/quickstep/src/com/android/quickstep/views/FloatingTaskView.java
index 0cea45e..18ab3bb 100644
--- a/quickstep/src/com/android/quickstep/views/FloatingTaskView.java
+++ b/quickstep/src/com/android/quickstep/views/FloatingTaskView.java
@@ -17,8 +17,9 @@
 
 import androidx.annotation.Nullable;
 
+import com.android.launcher3.BaseActivity;
+import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.InsettableFrameLayout;
-import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherAnimUtils;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
@@ -43,7 +44,7 @@
 
     private SplitPlaceholderView mSplitPlaceholderView;
     private RectF mStartingPosition;
-    private final Launcher mLauncher;
+    private final BaseDraggingActivity mActivity;
     private final boolean mIsRtl;
     private final Rect mOutline = new Rect();
     private PagedOrientationHandler mOrientationHandler;
@@ -59,7 +60,7 @@
 
     public FloatingTaskView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
-        mLauncher = Launcher.getLauncher(context);
+        mActivity = BaseActivity.fromContext(context);
         mIsRtl = Utilities.isRtl(getResources());
     }
 
@@ -114,7 +115,7 @@
     public void updateInitialPositionForView(TaskView originalView) {
         View thumbnail = originalView.getThumbnail();
         Rect viewBounds = new Rect(0, 0, thumbnail.getWidth(), thumbnail.getHeight());
-        Utilities.getBoundsForViewInDragLayer(mLauncher.getDragLayer(), thumbnail, viewBounds,
+        Utilities.getBoundsForViewInDragLayer(mActivity.getDragLayer(), thumbnail, viewBounds,
                 true /* ignoreTransform */, null /* recycle */,
                 mStartingPosition);
         mStartingPosition.offset(originalView.getTranslationX(), originalView.getTranslationY());
@@ -161,7 +162,7 @@
         // Position the floating view exactly on top of the original
         lp.topMargin = Math.round(pos.top);
         if (mIsRtl) {
-            lp.setMarginStart(mLauncher.getDeviceProfile().widthPx - Math.round(pos.right));
+            lp.setMarginStart(mActivity.getDeviceProfile().widthPx - Math.round(pos.right));
         } else {
             lp.setMarginStart(Math.round(pos.left));
         }
@@ -174,7 +175,7 @@
 
     public void addAnimation(PendingAnimation animation, RectF startingBounds, Rect endBounds,
             View viewToCover, boolean fadeWithThumbnail) {
-        final BaseDragLayer dragLayer = mLauncher.getDragLayer();
+        final BaseDragLayer dragLayer = mActivity.getDragLayer();
         int[] dragLayerBounds = new int[2];
         dragLayer.getLocationOnScreen(dragLayerBounds);
         SplitOverlayProperties prop = new SplitOverlayProperties(endBounds,
diff --git a/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java b/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
index 6b7d8a5..e0395ea 100644
--- a/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
@@ -168,15 +168,4 @@
         super.initiateSplitSelect(taskView, stagePosition);
         mActivity.getStateManager().goToState(LauncherState.OVERVIEW_SPLIT_SELECT);
     }
-
-    @Override
-    protected void onOrientationChanged() {
-        super.onOrientationChanged();
-        // If overview is in modal state when rotate, reset it to overview state without running
-        // animation.
-        setModalStateEnabled(false);
-        if (mActivity.isInState(OVERVIEW_SPLIT_SELECT)) {
-            onRotateInSplitSelectionState();
-        }
-    }
 }
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index ed238d8..c5b191e 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -1264,7 +1264,7 @@
     @Override
     protected void onNotSnappingToPageInFreeScroll() {
         int finalPos = mScroller.getFinalX();
-        if (!showAsGrid() && finalPos > mMinScroll && finalPos < mMaxScroll) {
+        if (finalPos > mMinScroll && finalPos < mMaxScroll) {
             int firstPageScroll = getScrollForPage(!mIsRtl ? 0 : getPageCount() - 1);
             int lastPageScroll = getScrollForPage(!mIsRtl ? getPageCount() - 1 : 0);
 
@@ -1278,6 +1278,19 @@
                             ? mMaxScroll
                             : getScrollForPage(mNextPage);
 
+            if (showAsGrid()) {
+                if (isSplitSelectionActive()) {
+                    return;
+                }
+                TaskView taskView = getTaskViewAt(mNextPage);
+                // Only snap to fully visible focused task.
+                if (taskView == null
+                        || !taskView.isFocusedTask()
+                        || !isTaskViewFullyVisible(taskView)) {
+                    return;
+                }
+            }
+
             mScroller.setFinalX(pageSnapped);
             // Ensure the scroll/snap doesn't happen too fast;
             int extraScrollDuration = OVERSCROLL_PAGE_SNAP_ANIMATION_DURATION
@@ -1640,7 +1653,13 @@
         setCurrentPage(mCurrentPage);
     }
 
-    protected void onOrientationChanged() {
+    private void onOrientationChanged() {
+        // If overview is in modal state when rotate, reset it to overview state without running
+        // animation.
+        setModalStateEnabled(false);
+        if (isSplitSelectionActive()) {
+            onRotateInSplitSelectionState();
+        }
     }
 
     // Update task size and padding that are dependent on DeviceProfile and insets.
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.java b/quickstep/src/com/android/quickstep/views/TaskView.java
index 467d225..ab29972 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskView.java
@@ -677,7 +677,7 @@
      *         second app. {@code false} otherwise
      */
     private boolean confirmSecondSplitSelectApp() {
-        boolean isSelectingSecondSplitApp = mActivity.isInState(OVERVIEW_SPLIT_SELECT);
+        boolean isSelectingSecondSplitApp = getRecentsView().isSplitSelectionActive();
         if (isSelectingSecondSplitApp) {
             getRecentsView().confirmSplitSelect(this);
         }
diff --git a/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java b/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
index 7c503be..237e426 100644
--- a/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
+++ b/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
@@ -37,6 +37,7 @@
 import com.android.launcher3.tapl.Overview;
 import com.android.launcher3.tapl.OverviewActions;
 import com.android.launcher3.tapl.OverviewTask;
+import com.android.launcher3.tapl.TestHelpers;
 import com.android.launcher3.ui.TaplTestsLauncher3;
 import com.android.launcher3.util.rule.ScreenRecordRule.ScreenRecord;
 import com.android.quickstep.NavigationModeSwitchRule.NavigationModeSwitch;
@@ -321,7 +322,8 @@
     @Test
     @PortraitLandscape
     public void testOverviewForTablet() throws Exception {
-        if (!mLauncher.isTablet()) {
+        // TODO(b/210158657): Re-enable for OOP
+        if (!mLauncher.isTablet() || !TestHelpers.isInLauncherProcess()) {
             return;
         }
         for (int i = 2; i <= 14; i++) {
diff --git a/res/xml/device_profiles.xml b/res/xml/device_profiles.xml
index b4bb43e..08698e7 100644
--- a/res/xml/device_profiles.xml
+++ b/res/xml/device_profiles.xml
@@ -25,7 +25,8 @@
         launcher:numFolderColumns="3"
         launcher:numHotseatIcons="3"
         launcher:dbFile="launcher_3_by_3.db"
-        launcher:defaultLayoutId="@xml/default_workspace_3x3" >
+        launcher:defaultLayoutId="@xml/default_workspace_3x3"
+        launcher:deviceCategory="phone|multi_display" >
 
         <display-option
             launcher:name="Super Short Stubby"
@@ -53,7 +54,8 @@
         launcher:numFolderColumns="4"
         launcher:numHotseatIcons="4"
         launcher:dbFile="launcher_4_by_4.db"
-        launcher:defaultLayoutId="@xml/default_workspace_4x4" >
+        launcher:defaultLayoutId="@xml/default_workspace_4x4"
+        launcher:deviceCategory="phone|multi_display" >
 
         <display-option
             launcher:name="Short Stubby"
@@ -105,7 +107,8 @@
         launcher:numFolderColumns="4"
         launcher:numHotseatIcons="5"
         launcher:dbFile="launcher.db"
-        launcher:defaultLayoutId="@xml/default_workspace_5x5" >
+        launcher:defaultLayoutId="@xml/default_workspace_5x5"
+        launcher:deviceCategory="phone|multi_display" >
 
         <display-option
             launcher:name="Large Phone"
@@ -143,7 +146,7 @@
         launcher:numAllAppsColumns="6"
         launcher:dbFile="launcher_6_by_5.db"
         launcher:defaultLayoutId="@xml/default_workspace_6x5"
-        launcher:deviceCategory="tablet">
+        launcher:deviceCategory="tablet" >
 
         <display-option
             launcher:name="Tablet"
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index f772453..624afe1 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -395,7 +395,13 @@
         }
         overviewActionsMarginThreeButtonPx = res.getDimensionPixelSize(
                 R.dimen.overview_actions_margin_three_button);
-        overviewRowSpacing = res.getDimensionPixelSize(R.dimen.overview_grid_row_spacing);
+        // Grid task's top margin is only overviewTaskIconSizePx + overviewTaskMarginGridPx, but
+        // overviewTaskThumbnailTopMarginPx is applied to all TaskThumbnailView, so exclude the
+        // extra  margin when calculating row spacing.
+        int extraTopMargin = overviewTaskThumbnailTopMarginPx - overviewTaskIconSizePx
+                - overviewTaskMarginGridPx;
+        overviewRowSpacing = res.getDimensionPixelSize(R.dimen.overview_grid_row_spacing)
+                - extraTopMargin;
         overviewGridSideMargin = isLandscape
                 ? res.getDimensionPixelSize(R.dimen.overview_grid_side_margin_landscape)
                 : res.getDimensionPixelSize(R.dimen.overview_grid_side_margin_portrait);
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index e9725cb..801a31d 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -1639,6 +1639,8 @@
         AbstractFloatingView.closeOpenViews(this, false, TYPE_ALL & ~TYPE_REBIND_SAFE);
         finishAutoCancelActionMode();
 
+        DragView.removeAllViews(this);
+
         if (mPendingRequestArgs != null) {
             outState.putParcelable(RUNTIME_STATE_PENDING_REQUEST_ARGS, mPendingRequestArgs);
         }
diff --git a/src/com/android/launcher3/LauncherFiles.java b/src/com/android/launcher3/LauncherFiles.java
index 64f1d95..e59eac8 100644
--- a/src/com/android/launcher3/LauncherFiles.java
+++ b/src/com/android/launcher3/LauncherFiles.java
@@ -16,6 +16,7 @@
     private static final String XML = ".xml";
 
     public static final String LAUNCHER_DB = "launcher.db";
+    public static final String LAUNCHER_6_BY_5_DB = "launcher_6_by_5.db";
     public static final String LAUNCHER_4_BY_5_DB = "launcher_4_by_5.db";
     public static final String LAUNCHER_4_BY_4_DB = "launcher_4_by_4.db";
     public static final String LAUNCHER_3_BY_3_DB = "launcher_3_by_3.db";
@@ -32,6 +33,7 @@
 
     public static final List<String> GRID_DB_FILES = Collections.unmodifiableList(Arrays.asList(
             LAUNCHER_DB,
+            LAUNCHER_6_BY_5_DB,
             LAUNCHER_4_BY_5_DB,
             LAUNCHER_4_BY_4_DB,
             LAUNCHER_3_BY_3_DB,
diff --git a/src/com/android/launcher3/anim/PropertySetter.java b/src/com/android/launcher3/anim/PropertySetter.java
index 729523f..8d77b4b 100644
--- a/src/com/android/launcher3/anim/PropertySetter.java
+++ b/src/com/android/launcher3/anim/PropertySetter.java
@@ -16,6 +16,7 @@
 
 package com.android.launcher3.anim;
 
+import android.animation.Animator;
 import android.animation.TimeInterpolator;
 import android.util.FloatProperty;
 import android.util.IntProperty;
@@ -64,4 +65,9 @@
             TimeInterpolator interpolator) {
         property.setValue(target, value);
     }
+
+    default void add(Animator animatorSet) {
+        animatorSet.setDuration(0);
+        animatorSet.start();
+    }
 }
diff --git a/src/com/android/launcher3/dragndrop/DragView.java b/src/com/android/launcher3/dragndrop/DragView.java
index 8313571..4588a04 100644
--- a/src/com/android/launcher3/dragndrop/DragView.java
+++ b/src/com/android/launcher3/dragndrop/DragView.java
@@ -564,4 +564,19 @@
         iv.setImageDrawable(drawable);
         return iv;
     }
+
+    /**
+     * Removes any stray DragView from the DragLayer.
+     */
+    public static void removeAllViews(ActivityContext activity) {
+        BaseDragLayer dragLayer = activity.getDragLayer();
+        // Iterate in reverse order. DragView is added later to the dragLayer,
+        // and will be one of the last views.
+        for (int i = dragLayer.getChildCount() - 1; i >= 0; i--) {
+            View child = dragLayer.getChildAt(i);
+            if (child instanceof DragView) {
+                dragLayer.removeView(child);
+            }
+        }
+    }
 }
diff --git a/src/com/android/launcher3/model/DeviceGridState.java b/src/com/android/launcher3/model/DeviceGridState.java
index 01ebc53..fa11d4e 100644
--- a/src/com/android/launcher3/model/DeviceGridState.java
+++ b/src/com/android/launcher3/model/DeviceGridState.java
@@ -17,7 +17,6 @@
 package com.android.launcher3.model;
 
 import static com.android.launcher3.InvariantDeviceProfile.DeviceType;
-import static com.android.launcher3.InvariantDeviceProfile.TYPE_MULTI_DISPLAY;
 import static com.android.launcher3.InvariantDeviceProfile.TYPE_PHONE;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_GRID_SIZE_2;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_GRID_SIZE_3;
@@ -31,7 +30,6 @@
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.logging.StatsLogManager.LauncherEvent;
-import com.android.launcher3.util.IntSet;
 
 import java.util.Locale;
 import java.util.Objects;
@@ -45,13 +43,6 @@
     public static final String KEY_HOTSEAT_COUNT = "migration_src_hotseat_count";
     public static final String KEY_DEVICE_TYPE = "migration_src_device_type";
 
-    private static final IntSet COMPATIBLE_TYPES = IntSet.wrap(TYPE_PHONE, TYPE_MULTI_DISPLAY);
-
-    public static boolean deviceTypeCompatible(@DeviceType int typeA, @DeviceType int typeB) {
-        return typeA == typeB
-                || (COMPATIBLE_TYPES.contains(typeA) && COMPATIBLE_TYPES.contains(typeB));
-    }
-
     private final String mGridSizeString;
     private final int mNumHotseat;
     private final @DeviceType int mDeviceType;
@@ -123,7 +114,6 @@
         if (this == other) return true;
         if (other == null) return false;
         return mNumHotseat == other.mNumHotseat
-                && deviceTypeCompatible(mDeviceType, other.mDeviceType)
                 && Objects.equals(mGridSizeString, other.mGridSizeString);
     }
 }
diff --git a/src/com/android/launcher3/provider/RestoreDbTask.java b/src/com/android/launcher3/provider/RestoreDbTask.java
index 4c0930b..d994dbe 100644
--- a/src/com/android/launcher3/provider/RestoreDbTask.java
+++ b/src/com/android/launcher3/provider/RestoreDbTask.java
@@ -87,12 +87,6 @@
     }
 
     private static boolean performRestore(Context context, DatabaseHelper helper) {
-        if (!DeviceGridState.deviceTypeCompatible(
-                new DeviceGridState(LauncherAppState.getIDP(context)).getDeviceType(),
-                Utilities.getPrefs(context).getInt(RESTORED_DEVICE_TYPE, TYPE_PHONE))) {
-            // DO NOT restore if the device types are incompatible.
-            return false;
-        }
         SQLiteDatabase db = helper.getWritableDatabase();
         try (SQLiteTransaction t = new SQLiteTransaction(db)) {
             RestoreDbTask task = new RestoreDbTask();
diff --git a/src/com/android/launcher3/views/FloatingIconView.java b/src/com/android/launcher3/views/FloatingIconView.java
index c0ec9d8..06313e7 100644
--- a/src/com/android/launcher3/views/FloatingIconView.java
+++ b/src/com/android/launcher3/views/FloatingIconView.java
@@ -88,7 +88,6 @@
 
     private IconLoadResult mIconLoadResult;
 
-    // Draw the drawable of the BubbleTextView behind ClipIconView to reveal the built in shadow.
     private View mBtvDrawable;
 
     private ClipIconView mClipIconView;
@@ -347,10 +346,23 @@
             mClipIconView.setLayoutParams(clipViewLp);
         }
 
-        if (!mIsOpening && btvIcon != null) {
+        setOriginalDrawableBackground(btvIcon);
+        invalidate();
+    }
+
+    /**
+     * Draws the drawable of the BubbleTextView behind ClipIconView
+     *
+     * This is used to:
+     * - Have icon displayed while Adaptive Icon is loading
+     * - Displays the built in shadow to ensure a clean handoff
+     *
+     * Allows nullable as this may be cleared when drawing is deferred to ClipIconView.
+     */
+    private void setOriginalDrawableBackground(@Nullable Drawable btvIcon) {
+        if (!mIsOpening) {
             mBtvDrawable.setBackground(btvIcon);
         }
-        invalidate();
     }
 
     /**
@@ -455,7 +467,9 @@
 
     @Override
     public void onAnimationStart(Animator animator) {
-        if (mIconLoadResult != null && mIconLoadResult.isIconLoaded) {
+        if ((mIconLoadResult != null && mIconLoadResult.isIconLoaded)
+                || (!mIsOpening && mBtvDrawable.getBackground() != null)) {
+            // No need to wait for icon load since we can display the BubbleTextView drawable.
             setVisibility(View.VISIBLE);
         }
         if (!mIsOpening && mOriginalIcon != null) {
@@ -518,6 +532,7 @@
 
         IconLoadResult result = new IconLoadResult(info,
                 btvIcon == null ? false : btvIcon.isThemed());
+        result.btvDrawable = btvIcon;
 
         final long fetchIconId = sFetchIconId++;
         MODEL_EXECUTOR.getHandler().postAtFrontOfQueue(() -> {
@@ -556,6 +571,7 @@
                 view.mIconLoadResult = fetchIcon(launcher, originalView,
                         (ItemInfo) originalView.getTag(), isOpening);
             }
+            view.setOriginalDrawableBackground(view.mIconLoadResult.btvDrawable);
         }
         sIconLoadResult = null;
 
diff --git a/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java b/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
index 19dca45..075505e 100644
--- a/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
+++ b/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
@@ -149,7 +149,7 @@
                 }
                 sDumpWasGenerated = true;
                 Log.d("b/195319692", "sDumpWasGenerated := true", new Exception());
-                result = "memory dump filename: " + fileName;
+                result = "saved memory dump as an artifact";
             } catch (Throwable e) {
                 Log.e(TAG, "dumpHprofData failed", e);
                 result = "failed to save memory dump";