diff --git a/quickstep/AndroidManifest.xml b/quickstep/AndroidManifest.xml
index 25b39ed..352cd3e 100644
--- a/quickstep/AndroidManifest.xml
+++ b/quickstep/AndroidManifest.xml
@@ -36,6 +36,7 @@
     <uses-permission android:name="android.permission.READ_FRAME_BUFFER"/>
     <uses-permission android:name="android.permission.MANAGE_ACCESSIBILITY"/>
     <uses-permission android:name="android.permission.MONITOR_INPUT"/>
+    <uses-permission android:name="android.permission.ALLOW_SLIPPERY_TOUCHES"/>
 
     <uses-permission android:name="android.permission.SYSTEM_APPLICATION_OVERLAY" />
 
diff --git a/quickstep/res/values-nl/strings.xml b/quickstep/res/values-nl/strings.xml
index a43ac7f..7c5ca0d 100644
--- a/quickstep/res/values-nl/strings.xml
+++ b/quickstep/res/values-nl/strings.xml
@@ -42,7 +42,7 @@
     <string name="hotseat_tip_no_empty_slots" msgid="1325212677738179185">"Sleep apps weg van de onderste rij om app-suggesties te ontvangen"</string>
     <string name="hotseat_tip_gaps_filled" msgid="3035673010274223538">"App-suggesties toegevoegd aan lege ruimte"</string>
     <string name="hotsaet_tip_prediction_enabled" msgid="2233554377501347650">"App-suggesties staan aan"</string>
-    <string name="hotsaet_tip_prediction_disabled" msgid="1506426298884658491">"App-suggesties zijn uitgeschakeld"</string>
+    <string name="hotsaet_tip_prediction_disabled" msgid="1506426298884658491">"App-suggesties staan uit"</string>
     <string name="hotseat_prediction_content_description" msgid="4582028296938078419">"Voorspelde app: <xliff:g id="TITLE">%1$s</xliff:g>"</string>
     <string name="back_gesture_feedback_swipe_too_far_from_edge" msgid="1711645592102201538">"Swipe helemaal vanaf de rechter- of linkerrand."</string>
     <string name="back_gesture_feedback_cancelled" msgid="3274382913290074496">"Swipe vanaf de rechter- of linkerrand naar het midden van het scherm en laat los."</string>
diff --git a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
index a8a085b..6e2fadd 100644
--- a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
+++ b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
@@ -176,6 +176,7 @@
     private static final int LAUNCHER_RESUME_START_DELAY = 100;
     private static final int CLOSING_TRANSITION_DURATION_MS = 250;
     public static final int SPLIT_LAUNCH_DURATION = 370;
+    public static final int SPLIT_DIVIDER_ANIM_DURATION = 100;
 
     public static final int CONTENT_ALPHA_DURATION = 217;
     protected static final int CONTENT_SCALE_DURATION = 350;
diff --git a/quickstep/src/com/android/launcher3/model/QuickstepModelDelegate.java b/quickstep/src/com/android/launcher3/model/QuickstepModelDelegate.java
index f9a0bb1..4d06956 100644
--- a/quickstep/src/com/android/launcher3/model/QuickstepModelDelegate.java
+++ b/quickstep/src/com/android/launcher3/model/QuickstepModelDelegate.java
@@ -64,6 +64,7 @@
 import com.android.launcher3.shortcuts.ShortcutKey;
 import com.android.launcher3.util.IntSparseArrayMap;
 import com.android.launcher3.util.PersistedItemArray;
+import com.android.quickstep.logging.SettingsChangeLogger;
 import com.android.quickstep.logging.StatsLogCompatManager;
 import com.android.systemui.shared.system.SysUiStatsLog;
 
@@ -97,10 +98,12 @@
     private final InvariantDeviceProfile mIDP;
     private final AppEventProducer mAppEventProducer;
     private final StatsManager mStatsManager;
+    private final Context mContext;
 
     protected boolean mActive = false;
 
     public QuickstepModelDelegate(Context context) {
+        mContext = context;
         mAppEventProducer = new AppEventProducer(context, this::onAppTargetEvent);
 
         mIDP = InvariantDeviceProfile.INSTANCE.get(context);
@@ -210,6 +213,7 @@
                                         "Successfully logged %d workspace items with instanceId=%d",
                                         itemsIdMap.size(), instanceId.getId()));
                         additionalSnapshotEvents(instanceId);
+                        SettingsChangeLogger.INSTANCE.get(mContext).logSnapshot(instanceId);
                         return StatsManager.PULL_SUCCESS;
                     }
             );
diff --git a/quickstep/src/com/android/launcher3/uioverrides/BaseRecentsViewStateController.java b/quickstep/src/com/android/launcher3/uioverrides/BaseRecentsViewStateController.java
index c85b256..0eaea83 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/BaseRecentsViewStateController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/BaseRecentsViewStateController.java
@@ -29,12 +29,9 @@
 import static com.android.quickstep.views.RecentsView.ADJACENT_PAGE_HORIZONTAL_OFFSET;
 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_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 android.util.FloatProperty;
-import android.util.Pair;
 
 import androidx.annotation.NonNull;
 
@@ -43,7 +40,6 @@
 import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.statemanager.StateManager.StateHandler;
 import com.android.launcher3.states.StateAnimationConfig;
-import com.android.launcher3.touch.PagedOrientationHandler;
 import com.android.quickstep.views.RecentsView;
 
 /**
@@ -100,15 +96,6 @@
                 config.getInterpolator(ANIM_OVERVIEW_TRANSLATE_X, LINEAR));
         setter.setFloat(mRecentsView, TASK_SECONDARY_TRANSLATION, 0f,
                 config.getInterpolator(ANIM_OVERVIEW_TRANSLATE_Y, LINEAR));
-        PagedOrientationHandler orientationHandler =
-                ((RecentsView) mLauncher.getOverviewPanel()).getPagedOrientationHandler();
-        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));
diff --git a/quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java b/quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java
index 19897a1..32ce1c4 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java
@@ -23,13 +23,17 @@
 import static com.android.quickstep.views.RecentsView.CONTENT_ALPHA;
 import static com.android.quickstep.views.RecentsView.FULLSCREEN_PROGRESS;
 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.TaskView.FLAG_UPDATE_ALL;
 
 import android.annotation.TargetApi;
 import android.os.Build;
 import android.util.FloatProperty;
+import android.util.Pair;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 
 import com.android.launcher3.BaseQuickstepLauncher;
 import com.android.launcher3.LauncherState;
@@ -37,6 +41,7 @@
 import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.anim.PropertySetter;
 import com.android.launcher3.states.StateAnimationConfig;
+import com.android.launcher3.touch.PagedOrientationHandler;
 import com.android.launcher3.util.MultiValueAlpha;
 import com.android.quickstep.views.ClearAllButton;
 import com.android.quickstep.views.LauncherRecentsView;
@@ -67,11 +72,7 @@
         // DepthController to prevent optimizations which might occlude the layers behind
         mLauncher.getDepthController().setHasContentBehindLauncher(state.overviewUi);
 
-        if (isSplitSelectionState(state)) {
-            mRecentsView.applySplitPrimaryScrollOffset();
-        } else {
-            mRecentsView.resetSplitPrimaryScrollOffset();
-        }
+        handleSplitSelectionState(state, null);
     }
 
     @Override
@@ -92,16 +93,7 @@
         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());
-        }
-        if (isSplitSelectionState(toState)) {
-            mRecentsView.applySplitPrimaryScrollOffset();
-        } else {
-            mRecentsView.resetSplitPrimaryScrollOffset();
-        }
+        handleSplitSelectionState(toState, builder);
 
         setAlphas(builder, config, toState);
         builder.setFloat(mRecentsView, FULLSCREEN_PROGRESS,
@@ -109,10 +101,52 @@
     }
 
     /**
-     * @return true if {@param toState} is {@link LauncherState#OVERVIEW_SPLIT_SELECT}
+     * Create or dismiss split screen select animations.
+     * @param builder if null then this will run the split select animations right away, otherwise
+     *                will add animations to builder.
      */
-    private boolean isSplitSelectionState(@NonNull LauncherState toState) {
-        return toState == OVERVIEW_SPLIT_SELECT;
+    private void handleSplitSelectionState(@NonNull LauncherState toState,
+            @Nullable PendingAnimation builder) {
+        LauncherState currentState = mLauncher.getStateManager().getState();
+        boolean animate = builder != null;
+        PagedOrientationHandler orientationHandler =
+                ((RecentsView) mLauncher.getOverviewPanel()).getPagedOrientationHandler();
+        Pair<FloatProperty, FloatProperty> taskViewsFloat =
+                orientationHandler.getSplitSelectTaskOffset(
+                        TASK_PRIMARY_SPLIT_TRANSLATION, TASK_SECONDARY_SPLIT_TRANSLATION,
+                        mLauncher.getDeviceProfile());
+
+        if (isSplitSelectionState(currentState, toState)) {
+            // Animation to "dismiss" selected taskView
+            PendingAnimation splitSelectInitAnimation =
+                    mRecentsView.createSplitSelectInitAnimation();
+            // Add properties to shift remaining taskViews to get out of placeholder view
+            splitSelectInitAnimation.setFloat(mRecentsView, taskViewsFloat.first,
+                    toState.getSplitSelectTranslation(mLauncher), LINEAR);
+            splitSelectInitAnimation.setFloat(mRecentsView, taskViewsFloat.second, 0, LINEAR);
+
+            if (!animate && isSplitSelectionState(currentState, toState)) {
+                splitSelectInitAnimation.buildAnim().start();
+            } else if (animate &&
+                    isSplitSelectionState(currentState, toState)) {
+                builder.add(splitSelectInitAnimation.buildAnim());
+            }
+        }
+
+        if (isSplitSelectionState(currentState, toState)) {
+            mRecentsView.applySplitPrimaryScrollOffset();
+        } else {
+            mRecentsView.resetSplitPrimaryScrollOffset();
+        }
+    }
+
+    /**
+     * @return true if {@param toState} is {@link LauncherState#OVERVIEW_SPLIT_SELECT}
+     *          and {@param fromState} is not {@link LauncherState#OVERVIEW_SPLIT_SELECT}
+     */
+    private boolean isSplitSelectionState(@NonNull LauncherState fromState,
+            @NonNull LauncherState toState) {
+        return fromState != OVERVIEW_SPLIT_SELECT && toState == OVERVIEW_SPLIT_SELECT;
     }
 
     private void setAlphas(PropertySetter propertySetter, StateAnimationConfig config,
diff --git a/quickstep/src/com/android/launcher3/uioverrides/states/QuickstepAtomicAnimationFactory.java b/quickstep/src/com/android/launcher3/uioverrides/states/QuickstepAtomicAnimationFactory.java
index 0e2fbbc..75cf5cb 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/states/QuickstepAtomicAnimationFactory.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/states/QuickstepAtomicAnimationFactory.java
@@ -17,6 +17,7 @@
 
 import static android.view.View.VISIBLE;
 
+import static com.android.launcher3.LauncherState.ALL_APPS;
 import static com.android.launcher3.LauncherState.HINT_STATE;
 import static com.android.launcher3.LauncherState.HINT_STATE_TWO_BUTTON;
 import static com.android.launcher3.LauncherState.NORMAL;
@@ -44,6 +45,10 @@
 import static com.android.launcher3.states.StateAnimationConfig.ANIM_WORKSPACE_FADE;
 import static com.android.launcher3.states.StateAnimationConfig.ANIM_WORKSPACE_SCALE;
 import static com.android.launcher3.states.StateAnimationConfig.ANIM_WORKSPACE_TRANSLATE;
+import static com.android.launcher3.uioverrides.touchcontrollers.PortraitStatesTouchController.ALL_APPS_CONTENT_FADE_MAX_CLAMPING_THRESHOLD;
+import static com.android.launcher3.uioverrides.touchcontrollers.PortraitStatesTouchController.ALL_APPS_CONTENT_FADE_MIN_CLAMPING_THRESHOLD;
+import static com.android.launcher3.uioverrides.touchcontrollers.PortraitStatesTouchController.ALL_APPS_SCRIM_OPAQUE_THRESHOLD;
+import static com.android.launcher3.uioverrides.touchcontrollers.PortraitStatesTouchController.ALL_APPS_SCRIM_VISIBLE_THRESHOLD;
 import static com.android.quickstep.views.RecentsView.RECENTS_SCALE_PROPERTY;
 
 import android.animation.ValueAnimator;
@@ -52,6 +57,7 @@
 import com.android.launcher3.Hotseat;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.Workspace;
+import com.android.launcher3.anim.Interpolators;
 import com.android.launcher3.states.StateAnimationConfig;
 import com.android.launcher3.uioverrides.QuickstepLauncher;
 import com.android.quickstep.SysUINavigationMode;
@@ -171,6 +177,13 @@
                 mHintToNormalDuration = (int) va.getDuration();
             }
             config.duration = Math.max(config.duration, mHintToNormalDuration);
+        } else if (fromState == ALL_APPS && toState == NORMAL) {
+            config.setInterpolator(ANIM_ALL_APPS_FADE, Interpolators.clampToProgress(DEACCEL,
+                    1 - ALL_APPS_CONTENT_FADE_MAX_CLAMPING_THRESHOLD,
+                    1 - ALL_APPS_CONTENT_FADE_MIN_CLAMPING_THRESHOLD));
+            config.setInterpolator(ANIM_SCRIM_FADE, Interpolators.clampToProgress(DEACCEL,
+                    1 - ALL_APPS_SCRIM_OPAQUE_THRESHOLD,
+                    1 - ALL_APPS_SCRIM_VISIBLE_THRESHOLD));
         }
     }
 }
diff --git a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/PortraitStatesTouchController.java b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/PortraitStatesTouchController.java
index 3c83d25..59ade49 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/PortraitStatesTouchController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/PortraitStatesTouchController.java
@@ -52,22 +52,22 @@
     /**
      * The progress at which all apps content will be fully visible.
      */
-    protected static final float ALL_APPS_CONTENT_FADE_MAX_CLAMPING_THRESHOLD = 0.8f;
+    public static final float ALL_APPS_CONTENT_FADE_MAX_CLAMPING_THRESHOLD = 0.8f;
 
     /**
      * Minimum clamping progress for fading in all apps content
      */
-    protected static final float ALL_APPS_CONTENT_FADE_MIN_CLAMPING_THRESHOLD = 0.5f;
+    public static final float ALL_APPS_CONTENT_FADE_MIN_CLAMPING_THRESHOLD = 0.5f;
 
     /**
      * Minimum clamping progress for fading in all apps scrim
      */
-    protected static final float ALL_APPS_SCRIM_VISIBLE_THRESHOLD = .1f;
+    public static final float ALL_APPS_SCRIM_VISIBLE_THRESHOLD = .1f;
 
     /**
      * Maximum clamping progress for opaque all apps scrim
      */
-    protected static final float ALL_APPS_SCRIM_OPAQUE_THRESHOLD = .5f;
+    public static final float ALL_APPS_SCRIM_OPAQUE_THRESHOLD = .5f;
 
     private final PortraitOverviewStateTouchHelper mOverviewPortraitStateTouchHelper;
 
diff --git a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/StatusBarTouchController.java b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/StatusBarTouchController.java
index fe69c9b..1bc789b 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/StatusBarTouchController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/StatusBarTouchController.java
@@ -19,6 +19,7 @@
 import static android.view.MotionEvent.ACTION_DOWN;
 import static android.view.MotionEvent.ACTION_MOVE;
 import static android.view.MotionEvent.ACTION_UP;
+import static android.view.WindowManager.LayoutParams.FLAG_SLIPPERY;
 
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_SWIPE_DOWN_WORKSPACE_NOTISHADE_OPEN;
 
@@ -47,17 +48,6 @@
 
     private static final String TAG = "StatusBarController";
 
-    /**
-     * Window flag: Enable touches to slide out of a window into neighboring
-     * windows in mid-gesture instead of being captured for the duration of
-     * the gesture.
-     *
-     * This flag changes the behavior of touch focus for this window only.
-     * Touches can slide out of the window but they cannot necessarily slide
-     * back in (unless the other window with touch focus permits it).
-     */
-    private static final int FLAG_SLIPPERY = 0x20000000;
-
     private final Launcher mLauncher;
     private final SystemUiProxy mSystemUiProxy;
     private final float mTouchSlop;
@@ -140,6 +130,15 @@
         return true;
     }
 
+    /**
+     * FLAG_SLIPPERY enables touches to slide out of a window into neighboring
+     * windows in mid-gesture instead of being captured for the duration of
+     * the gesture.
+     *
+     * This flag changes the behavior of touch focus for this window only.
+     * Touches can slide out of the window but they cannot necessarily slide
+     * back in (unless the other window with touch focus permits it).
+     */
     private void setWindowSlippery(boolean enable) {
         Window w = mLauncher.getWindow();
         WindowManager.LayoutParams wlp = w.getAttributes();
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index 5c266bb..9f1e47f 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -831,7 +831,8 @@
         // Notify when the animation starts
         flushOnRecentsAnimationAndLauncherBound();
 
-        TaskViewUtils.setSplitAuxiliarySurfacesShown(mRecentsAnimationTargets.nonApps, false);
+        TaskViewUtils.setSplitAuxiliarySurfacesShown(mRecentsAnimationTargets.nonApps,
+                false /*shown*/, true /*animate*/);
 
         // Only add the callback to enable the input consumer after we actually have the controller
         mStateCallback.runOnceAtState(STATE_APP_CONTROLLER_RECEIVED | STATE_GESTURE_STARTED,
@@ -848,7 +849,8 @@
         mStateCallback.setStateOnUiThread(STATE_GESTURE_CANCELLED | STATE_HANDLER_INVALIDATED);
 
         if (mRecentsAnimationTargets != null) {
-            TaskViewUtils.setSplitAuxiliarySurfacesShown(mRecentsAnimationTargets.nonApps, true);
+            TaskViewUtils.setSplitAuxiliarySurfacesShown(mRecentsAnimationTargets.nonApps,
+                    true /*shown*/, true /*animate*/);
         }
 
         // Defer clearing the controller and the targets until after we've updated the state
@@ -998,8 +1000,8 @@
                     mStateCallback.setState(STATE_RESUME_LAST_TASK);
                 }
                 if (mRecentsAnimationTargets != null) {
-                    TaskViewUtils.setSplitAuxiliarySurfacesShown(
-                            mRecentsAnimationTargets.nonApps, true);
+                    TaskViewUtils.setSplitAuxiliarySurfacesShown(mRecentsAnimationTargets.nonApps,
+                            true /*shown*/, false /*animate*/);
                 }
                 break;
         }
@@ -1651,7 +1653,8 @@
         mActivityInterface.onTransitionCancelled(wasVisible, mGestureState.getEndTarget());
 
         if (mRecentsAnimationTargets != null) {
-            TaskViewUtils.setSplitAuxiliarySurfacesShown(mRecentsAnimationTargets.nonApps, true);
+            TaskViewUtils.setSplitAuxiliarySurfacesShown(mRecentsAnimationTargets.nonApps,
+                    true /*shown*/, false /*animate*/);
         }
 
         // Leave the pending invisible flag, as it may be used by wallpaper open animation.
@@ -1917,7 +1920,8 @@
     @Override
     public void onRecentsAnimationFinished(RecentsAnimationController controller) {
         if (!controller.getFinishTargetIsLauncher()) {
-            TaskViewUtils.setSplitAuxiliarySurfacesShown(mRecentsAnimationTargets.nonApps, true);
+            TaskViewUtils.setSplitAuxiliarySurfacesShown(mRecentsAnimationTargets.nonApps,
+                    true /*shown*/, true /*animate*/);
         }
         mRecentsAnimationController = null;
         mRecentsAnimationTargets = null;
diff --git a/quickstep/src/com/android/quickstep/GestureState.java b/quickstep/src/com/android/quickstep/GestureState.java
index 01f6e23..ed0623d 100644
--- a/quickstep/src/com/android/quickstep/GestureState.java
+++ b/quickstep/src/com/android/quickstep/GestureState.java
@@ -20,6 +20,7 @@
 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_OVERVIEW;
 import static com.android.quickstep.MultiStateCallback.DEBUG_STATES;
 
+import android.annotation.Nullable;
 import android.annotation.TargetApi;
 import android.app.ActivityManager;
 import android.content.Intent;
@@ -397,11 +398,15 @@
      * while STATE_RECENTS_ANIMATION_CANCELED state is being set, and the caller is responsible for
      * calling {@link RecentsAnimationController#cleanupScreenshot()}.
      */
+    @Nullable
     HashMap<Integer, ThumbnailData> consumeRecentsAnimationCanceledSnapshot() {
-        HashMap<Integer, ThumbnailData> data =
-                new HashMap<Integer, ThumbnailData>(mRecentsAnimationCanceledSnapshots);
-        mRecentsAnimationCanceledSnapshots = null;
-        return data;
+        if (mRecentsAnimationCanceledSnapshots != null) {
+            HashMap<Integer, ThumbnailData> data =
+                    new HashMap<Integer, ThumbnailData>(mRecentsAnimationCanceledSnapshots);
+            mRecentsAnimationCanceledSnapshots = null;
+            return data;
+        }
+        return null;
     }
 
     void setSwipeUpStartTimeMs(long uptimeMs) {
diff --git a/quickstep/src/com/android/quickstep/QuickstepProcessInitializer.java b/quickstep/src/com/android/quickstep/QuickstepProcessInitializer.java
index 65847f1..a551f55 100644
--- a/quickstep/src/com/android/quickstep/QuickstepProcessInitializer.java
+++ b/quickstep/src/com/android/quickstep/QuickstepProcessInitializer.java
@@ -24,8 +24,6 @@
 
 import com.android.launcher3.BuildConfig;
 import com.android.launcher3.MainProcessInitializer;
-import com.android.launcher3.util.Executors;
-import com.android.quickstep.logging.SettingsChangeLogger;
 import com.android.systemui.shared.system.InteractionJankMonitorWrapper;
 import com.android.systemui.shared.system.ThreadedRendererCompat;
 
@@ -62,9 +60,5 @@
         // Elevate GPU priority for Quickstep and Remote animations.
         ThreadedRendererCompat.setContextPriority(
                 ThreadedRendererCompat.EGL_CONTEXT_PRIORITY_HIGH_IMG);
-
-        // Initialize settings logger after a default timeout
-        Executors.MAIN_EXECUTOR.getHandler()
-                .postDelayed(() -> new SettingsChangeLogger(context), SETUP_DELAY_MILLIS);
     }
 }
diff --git a/quickstep/src/com/android/quickstep/RemoteTargetGluer.java b/quickstep/src/com/android/quickstep/RemoteTargetGluer.java
index b031c47..ed1a06d 100644
--- a/quickstep/src/com/android/quickstep/RemoteTargetGluer.java
+++ b/quickstep/src/com/android/quickstep/RemoteTargetGluer.java
@@ -77,7 +77,7 @@
         for (int i = 0; i < mRemoteTargetHandles.length; i++) {
             RemoteAnimationTargetCompat primaryTaskTarget = targets.apps[i];
             mRemoteTargetHandles[i].mTransformParams.setTargetSet(
-                    createRemoteAnimationTargetsForTarget(primaryTaskTarget, targets));
+                    createRemoteAnimationTargetsForTarget(targets, null));
             mRemoteTargetHandles[i].mTaskViewSimulator.setPreview(primaryTaskTarget, null);
         }
         return mRemoteTargetHandles;
@@ -95,47 +95,68 @@
     }
 
     /**
-     * Assigns the provided splitIDs to the {@link #mRemoteTargetHandles}, with index 0 will beint
+     * 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) {
-        RemoteAnimationTargetCompat primaryTaskTarget;
-        RemoteAnimationTargetCompat secondaryTaskTarget;
+        RemoteAnimationTargetCompat topLeftTarget; // only one set if single/fullscreen task
+        RemoteAnimationTargetCompat bottomRightTarget;
         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 :(
-                primaryTaskTarget = targets.apps[0];
-                mRemoteTargetHandles[0].mTaskViewSimulator.setPreview(primaryTaskTarget, null);
+                topLeftTarget = targets.apps[0];
+                mRemoteTargetHandles[0].mTaskViewSimulator.setPreview(topLeftTarget, null);
             }
         } else {
             // split screen
-            primaryTaskTarget = targets.findTask(splitIds[0]);
-            secondaryTaskTarget = targets.findTask(splitIds[1]);
+            topLeftTarget = targets.findTask(splitIds[0]);
+            bottomRightTarget = targets.findTask(splitIds[1]);
 
+            // remoteTargetHandle[0] denotes topLeft task, so we pass in the bottomRight to exclude,
+            // vice versa
             mStagedSplitBounds = new StagedSplitBounds(
-                    primaryTaskTarget.screenSpaceBounds,
-                    secondaryTaskTarget.screenSpaceBounds, splitIds[0], splitIds[1]);
+                    topLeftTarget.screenSpaceBounds,
+                    bottomRightTarget.screenSpaceBounds, splitIds[0], splitIds[1]);
             mRemoteTargetHandles[0].mTransformParams.setTargetSet(
-                    createRemoteAnimationTargetsForTarget(primaryTaskTarget, targets));
-            mRemoteTargetHandles[0].mTaskViewSimulator.setPreview(primaryTaskTarget,
+                    createRemoteAnimationTargetsForTarget(targets, bottomRightTarget));
+            mRemoteTargetHandles[0].mTaskViewSimulator.setPreview(topLeftTarget,
                     mStagedSplitBounds);
 
             mRemoteTargetHandles[1].mTransformParams.setTargetSet(
-                    createRemoteAnimationTargetsForTarget(secondaryTaskTarget, targets));
-            mRemoteTargetHandles[1].mTaskViewSimulator.setPreview(secondaryTaskTarget,
+                    createRemoteAnimationTargetsForTarget(targets, topLeftTarget));
+            mRemoteTargetHandles[1].mTaskViewSimulator.setPreview(bottomRightTarget,
                     mStagedSplitBounds);
         }
         return mRemoteTargetHandles;
     }
 
+    /**
+     * Ensures that we aren't excluding ancillary targets such as home/recents
+     *
+     * @param targetToExclude Will be excluded from the resulting return value.
+     *                        Pass in {@code null} to not exclude anything
+     * @return RemoteAnimationTargets where all the app targets from the passed in
+     *         {@param targets} are included except {@param targetToExclude}
+     */
     private RemoteAnimationTargets createRemoteAnimationTargetsForTarget(
-            RemoteAnimationTargetCompat target,
-            RemoteAnimationTargets targets) {
-        return new RemoteAnimationTargets(new RemoteAnimationTargetCompat[]{target},
+            RemoteAnimationTargets targets,
+            @Nullable RemoteAnimationTargetCompat targetToExclude) {
+        int finalLength = targets.unfilteredApps.length - (targetToExclude == null ? 0 : 1);
+        RemoteAnimationTargetCompat[] targetsWithoutExcluded =
+                new RemoteAnimationTargetCompat[finalLength];
+        int i = 0;
+        for (RemoteAnimationTargetCompat targetCompat : targets.unfilteredApps) {
+            if (targetCompat == targetToExclude) {
+                continue;
+            }
+            targetsWithoutExcluded[i] = targetCompat;
+            i++;
+        }
+        return new RemoteAnimationTargets(targetsWithoutExcluded,
                 targets.wallpapers, targets.nonApps, targets.targetMode);
     }
 
diff --git a/quickstep/src/com/android/quickstep/TaskAnimationManager.java b/quickstep/src/com/android/quickstep/TaskAnimationManager.java
index e69330a..d3b17f8 100644
--- a/quickstep/src/com/android/quickstep/TaskAnimationManager.java
+++ b/quickstep/src/com/android/quickstep/TaskAnimationManager.java
@@ -20,6 +20,7 @@
 import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
 import static com.android.quickstep.GestureState.STATE_RECENTS_ANIMATION_INITIALIZED;
 import static com.android.quickstep.GestureState.STATE_RECENTS_ANIMATION_STARTED;
+import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.ACTIVITY_TYPE_HOME;
 
 import android.app.ActivityManager;
 import android.content.Context;
@@ -27,6 +28,7 @@
 import android.os.Bundle;
 import android.os.SystemProperties;
 import android.util.Log;
+import android.view.RemoteAnimationTarget;
 
 import androidx.annotation.Nullable;
 import androidx.annotation.UiThread;
@@ -42,6 +44,7 @@
 import com.android.systemui.shared.system.TaskStackChangeListener;
 import com.android.systemui.shared.system.TaskStackChangeListeners;
 
+import java.util.Arrays;
 import java.util.HashMap;
 
 public class TaskAnimationManager implements RecentsAnimationCallbacks.RecentsAnimationListener {
@@ -150,6 +153,17 @@
             public void onTasksAppeared(RemoteAnimationTargetCompat[] appearedTaskTargets) {
                 RemoteAnimationTargetCompat appearedTaskTarget = appearedTaskTargets[0];
                 BaseActivityInterface activityInterface = mLastGestureState.getActivityInterface();
+                // Convert appTargets to type RemoteAnimationTarget for all apps except Home app
+                RemoteAnimationTarget[] nonHomeApps = Arrays.stream(appearedTaskTargets)
+                        .filter(remoteAnimationTarget ->
+                                remoteAnimationTarget.activityType != ACTIVITY_TYPE_HOME)
+                        .map(RemoteAnimationTargetCompat::unwrap)
+                        .toArray(RemoteAnimationTarget[]::new);
+
+                RemoteAnimationTarget[] nonAppTargets =
+                        SystemUiProxy.INSTANCE.getNoCreate()
+                                .onGoingToRecentsLegacy(false, nonHomeApps);
+
                 if (ENABLE_QUICKSTEP_LIVE_TILE.get() && activityInterface.isInLiveTileMode()
                         && activityInterface.getCreatedActivity() != null) {
                     RecentsView recentsView =
@@ -158,7 +172,7 @@
                         recentsView.launchSideTaskInLiveTileMode(appearedTaskTarget.taskId,
                                 appearedTaskTargets,
                                 new RemoteAnimationTargetCompat[0] /* wallpaper */,
-                                new RemoteAnimationTargetCompat[0] /* nonApps */);
+                                RemoteAnimationTargetCompat.wrap(nonAppTargets) /* nonApps */);
                         return;
                     }
                 }
diff --git a/quickstep/src/com/android/quickstep/TaskOverlayFactory.java b/quickstep/src/com/android/quickstep/TaskOverlayFactory.java
index 0246849..276e1c2 100644
--- a/quickstep/src/com/android/quickstep/TaskOverlayFactory.java
+++ b/quickstep/src/com/android/quickstep/TaskOverlayFactory.java
@@ -23,6 +23,7 @@
 import static com.android.quickstep.views.OverviewActionsView.DISABLED_ROTATED;
 
 import android.annotation.SuppressLint;
+import android.app.ActivityManager;
 import android.content.Context;
 import android.graphics.Insets;
 import android.graphics.Matrix;
@@ -54,6 +55,7 @@
 import com.android.quickstep.views.TaskView.TaskIdAttributeContainer;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.recents.model.ThumbnailData;
+import com.android.systemui.shared.system.ActivityManagerWrapper;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -115,8 +117,9 @@
      * Does NOT add split options in the following scenarios:
      * * The taskView to add split options is already showing split screen tasks
      * * There aren't at least 2 tasks in overview to show split options for
+     * * Device is in "Lock task mode"
      * * The taskView to show split options for is the focused task AND we haven't started
-     *   scrolling in overview (if we haven't scrolled, there's a split overview action so
+     *   scrolling in overview (if we haven't scrolled, there's a split overview action button so
      *   we don't need this menu option)
      */
     private static void addSplitOptions(List<SystemShortcut> outShortcuts,
@@ -130,7 +133,11 @@
         boolean isFocusedTask = deviceProfile.overviewShowAsGrid && taskView.isFocusedTask();
         boolean isTaskInExpectedScrollPosition =
                 recentsView.isTaskInExpectedScrollPosition(recentsView.indexOfChild(taskView));
-        if (taskViewHasMultipleTasks || notEnoughTasksToSplit ||
+        ActivityManager activityManager =
+                (ActivityManager) taskView.getContext().getSystemService(Context.ACTIVITY_SERVICE);
+        boolean isLockTaskMode = activityManager.isInLockTaskMode();
+
+        if (taskViewHasMultipleTasks || notEnoughTasksToSplit || isLockTaskMode ||
                 (isFocusedTask && isTaskInExpectedScrollPosition)) {
             return;
         }
diff --git a/quickstep/src/com/android/quickstep/TaskShortcutFactory.java b/quickstep/src/com/android/quickstep/TaskShortcutFactory.java
index cbdbdb5..f507ea3 100644
--- a/quickstep/src/com/android/quickstep/TaskShortcutFactory.java
+++ b/quickstep/src/com/android/quickstep/TaskShortcutFactory.java
@@ -242,6 +242,7 @@
         }
     }
 
+    /** @Deprecated */
     TaskShortcutFactory SPLIT_SCREEN = new MultiWindowFactory(R.drawable.ic_split_screen,
             R.string.recent_task_option_split_screen, LAUNCHER_SYSTEM_SHORTCUT_SPLIT_SCREEN_TAP) {
 
diff --git a/quickstep/src/com/android/quickstep/TaskViewUtils.java b/quickstep/src/com/android/quickstep/TaskViewUtils.java
index 97fc6d7..5d9a537 100644
--- a/quickstep/src/com/android/quickstep/TaskViewUtils.java
+++ b/quickstep/src/com/android/quickstep/TaskViewUtils.java
@@ -28,6 +28,7 @@
 import static com.android.launcher3.QuickstepTransitionManager.NAV_FADE_IN_INTERPOLATOR;
 import static com.android.launcher3.QuickstepTransitionManager.NAV_FADE_OUT_INTERPOLATOR;
 import static com.android.launcher3.QuickstepTransitionManager.RECENTS_LAUNCH_DURATION;
+import static com.android.launcher3.QuickstepTransitionManager.SPLIT_DIVIDER_ANIM_DURATION;
 import static com.android.launcher3.QuickstepTransitionManager.SPLIT_LAUNCH_DURATION;
 import static com.android.launcher3.Utilities.getDescendantCoordRelativeToAncestor;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
@@ -83,6 +84,7 @@
 import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams;
 
 import java.util.ArrayList;
+import java.util.List;
 
 /**
  * Utility class for helpful methods related to {@link TaskView} objects and their tasks.
@@ -536,7 +538,8 @@
                 nonAppTargets, depthController, pa);
         if (launcherClosing) {
             // TODO(b/182592057): differentiate between "restore split" vs "launch fullscreen app"
-            TaskViewUtils.setSplitAuxiliarySurfacesShown(nonAppTargets, true);
+            TaskViewUtils.setSplitAuxiliarySurfacesShown(nonAppTargets,
+                    true /*shown*/, true /*animate*/, pa);
         }
 
         Animator childStateAnimation = null;
@@ -592,19 +595,88 @@
     }
 
     public static void setSplitAuxiliarySurfacesShown(RemoteAnimationTargetCompat[] nonApps,
-            boolean shown) {
-        // TODO(b/182592057): make this part of the animations instead.
-        if (nonApps != null && nonApps.length > 0) {
-            SurfaceControl.Transaction t = new SurfaceControl.Transaction();
-            for (int i = 0; i < nonApps.length; ++i) {
-                final RemoteAnimationTargetCompat targ = nonApps[i];
-                final SurfaceControl leash = targ.leash.getSurfaceControl();
-                if (targ.windowType == TYPE_DOCK_DIVIDER && leash != null) {
-                    t.setVisibility(leash, shown);
+            boolean shown, boolean animate) {
+        setSplitAuxiliarySurfacesShown(nonApps, shown, animate,null);
+    }
+
+    private static void setSplitAuxiliarySurfacesShown(
+            @NonNull RemoteAnimationTargetCompat[] nonApps, boolean shown, boolean animate,
+            @Nullable PendingAnimation splitLaunchAnimation) {
+        if (nonApps == null || nonApps.length == 0) {
+            return;
+        }
+
+        SurfaceControl.Transaction t = new SurfaceControl.Transaction();
+        List<SurfaceControl> auxiliarySurfaces = new ArrayList<>(nonApps.length);
+        boolean hasSurfaceToAnimate = false;
+        for (int i = 0; i < nonApps.length; ++i) {
+            final RemoteAnimationTargetCompat targ = nonApps[i];
+            final SurfaceControl leash = targ.leash.getSurfaceControl();
+            if (targ.windowType == TYPE_DOCK_DIVIDER && leash != null) {
+                auxiliarySurfaces.add(leash);
+                hasSurfaceToAnimate = true;
+            }
+        }
+        if (!hasSurfaceToAnimate) {
+            return;
+        }
+
+        if (!animate) {
+            for (SurfaceControl leash : auxiliarySurfaces) {
+                t.setAlpha(leash, shown ? 1 : 0);
+                if (shown) {
+                    t.show(leash);
+                } else {
+                    t.hide(leash);
                 }
             }
             t.apply();
-            t.close();
+            return;
+        }
+
+        ValueAnimator dockFadeAnimator = ValueAnimator.ofFloat(0f, 1f);
+        dockFadeAnimator.addUpdateListener(valueAnimator -> {
+            float progress = valueAnimator.getAnimatedFraction();
+            for (SurfaceControl leash : auxiliarySurfaces) {
+                t.setAlpha(leash, shown ? progress : 1 - progress);
+            }
+            t.apply();
+        });
+        dockFadeAnimator.addListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationStart(Animator animation) {
+                super.onAnimationStart(animation);
+                if (shown) {
+                    for (SurfaceControl leash : auxiliarySurfaces) {
+                        t.setAlpha(leash, 0);
+                        t.show(leash);
+                    }
+                    t.apply();
+                }
+            }
+
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                super.onAnimationEnd(animation);
+                if (!shown) {
+                    for (SurfaceControl leash : auxiliarySurfaces) {
+                        t.hide(leash);
+                    }
+                    t.apply();
+                }
+                t.close();
+            }
+        });
+        dockFadeAnimator.setDuration(SPLIT_DIVIDER_ANIM_DURATION);
+        if (splitLaunchAnimation != null) {
+            // If split apps are launching, we want to delay showing the divider bar until the very
+            // end once the apps are mostly in place. This is because we aren't moving the divider
+            // leash in the relative position with the launching apps.
+            dockFadeAnimator.setStartDelay(
+                    splitLaunchAnimation.getDuration() - SPLIT_DIVIDER_ANIM_DURATION);
+            splitLaunchAnimation.add(dockFadeAnimator);
+        } else {
+            dockFadeAnimator.start();
         }
     }
 }
diff --git a/quickstep/src/com/android/quickstep/logging/SettingsChangeLogger.java b/quickstep/src/com/android/quickstep/logging/SettingsChangeLogger.java
index 7ae0fc8..a0cd0d7 100644
--- a/quickstep/src/com/android/quickstep/logging/SettingsChangeLogger.java
+++ b/quickstep/src/com/android/quickstep/logging/SettingsChangeLogger.java
@@ -40,10 +40,11 @@
 import com.android.launcher3.AutoInstallsLayout;
 import com.android.launcher3.R;
 import com.android.launcher3.config.FeatureFlags;
-import com.android.launcher3.logging.InstanceIdSequence;
+import com.android.launcher3.logging.InstanceId;
 import com.android.launcher3.logging.StatsLogManager;
 import com.android.launcher3.logging.StatsLogManager.StatsLogger;
 import com.android.launcher3.model.DeviceGridState;
+import com.android.launcher3.util.MainThreadInitializedObject;
 import com.android.launcher3.util.SettingsCache;
 import com.android.quickstep.SysUINavigationMode;
 import com.android.quickstep.SysUINavigationMode.Mode;
@@ -53,12 +54,19 @@
 import org.xmlpull.v1.XmlPullParserException;
 
 import java.io.IOException;
+import java.util.Optional;
 
 /**
  * Utility class to log launcher settings changes
  */
 public class SettingsChangeLogger implements
         NavigationModeChangeListener, OnSharedPreferenceChangeListener {
+  
+    /**
+     * Singleton instance
+     */
+    public static MainThreadInitializedObject<SettingsChangeLogger> INSTANCE =
+            new MainThreadInitializedObject<>(SettingsChangeLogger::new);
 
     private static final String TAG = "SettingsChangeLogger";
     private static final String ROOT_TAG = "androidx.preference.PreferenceScreen";
@@ -66,12 +74,15 @@
 
     private final Context mContext;
     private final ArrayMap<String, LoggablePref> mLoggablePrefs;
+    private final StatsLogManager mStatsLogManager;
 
     private Mode mNavMode;
-    private boolean mNotificationDotsEnabled;
+    private StatsLogManager.LauncherEvent mNotificationDotsEvent;
+    private StatsLogManager.LauncherEvent mHomeScreenSuggestionEvent;
 
-    public SettingsChangeLogger(Context context) {
+    private SettingsChangeLogger(Context context) {
         mContext = context;
+        mStatsLogManager = StatsLogManager.newInstance(mContext);
         mLoggablePrefs = loadPrefKeys(context);
         mNavMode = SysUINavigationMode.INSTANCE.get(context).addModeChangeListener(this);
 
@@ -118,14 +129,21 @@
     }
 
     private void onNotificationDotsChanged(boolean isDotsEnabled) {
-        mNotificationDotsEnabled = isDotsEnabled;
-        dispatchUserEvent();
+        StatsLogManager.LauncherEvent mEvent =
+                isDotsEnabled ? LAUNCHER_NOTIFICATION_DOT_ENABLED
+                        : LAUNCHER_NOTIFICATION_DOT_DISABLED;
+
+        // Log only when the setting is actually changed and not during initialization.
+        if (mNotificationDotsEvent != null && mNotificationDotsEvent != mEvent) {
+            mStatsLogManager.logger().log(mNotificationDotsEvent);
+        }
+        mNotificationDotsEvent = mEvent;
     }
 
     @Override
     public void onNavigationModeChanged(Mode newMode) {
         mNavMode = newMode;
-        dispatchUserEvent();
+        mStatsLogManager.logger().log(newMode.launcherEvent);
     }
 
     @Override
@@ -134,27 +152,27 @@
                 || KEY_WORKSPACE_SIZE.equals(key)
                 || KEY_THEMED_ICONS.equals(key)
                 || mLoggablePrefs.containsKey(key)) {
-            dispatchUserEvent();
+
+            mHomeScreenSuggestionEvent = getDevicePrefs(mContext)
+                    .getBoolean(LAST_PREDICTION_ENABLED_STATE, true)
+                    ? LAUNCHER_HOME_SCREEN_SUGGESTIONS_ENABLED
+                    : LAUNCHER_HOME_SCREEN_SUGGESTIONS_DISABLED;
+
+            mStatsLogManager.logger().log(mHomeScreenSuggestionEvent);
         }
     }
 
-    private void dispatchUserEvent() {
-        StatsLogger logger = StatsLogManager.newInstance(mContext).logger()
-                .withInstanceId(new InstanceIdSequence().newInstanceId());
+    /**
+     * Takes snapshot of all eligible launcher settings and log them with the provided instance ID.
+     */
+    public void logSnapshot(InstanceId snapshotInstanceId) {
+        StatsLogger logger = mStatsLogManager.logger().withInstanceId(snapshotInstanceId);
 
-        logger.log(mNotificationDotsEnabled
-                ? LAUNCHER_NOTIFICATION_DOT_ENABLED
-                : LAUNCHER_NOTIFICATION_DOT_DISABLED);
-        logger.log(mNavMode.launcherEvent);
-        logger.log(getDevicePrefs(mContext).getBoolean(LAST_PREDICTION_ENABLED_STATE, true)
-                ? LAUNCHER_HOME_SCREEN_SUGGESTIONS_ENABLED
-                : LAUNCHER_HOME_SCREEN_SUGGESTIONS_DISABLED);
-
-        StatsLogManager.LauncherEvent gridSizeChangedEvent =
-                new DeviceGridState(mContext).getWorkspaceSizeEvent();
-        if (gridSizeChangedEvent != null) {
-            logger.log(gridSizeChangedEvent);
-        }
+        Optional.ofNullable(mNotificationDotsEvent).ifPresent(logger::log);
+        Optional.ofNullable(mNavMode).map(mode -> mode.launcherEvent).ifPresent(logger::log);
+        Optional.ofNullable(mHomeScreenSuggestionEvent).ifPresent(logger::log);
+        Optional.ofNullable(new DeviceGridState(mContext).getWorkspaceSizeEvent()).ifPresent(
+                logger::log);
 
         SharedPreferences prefs = getPrefs(mContext);
         if (FeatureFlags.ENABLE_THEMED_ICONS.get()) {
diff --git a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
index d310893..5253e8c 100644
--- a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
+++ b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
@@ -64,7 +64,6 @@
     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
@@ -86,7 +85,6 @@
             Rect initialBounds) {
         mInitialTask = task;
         mStagePosition = stagePosition;
-        mInitialBounds = initialBounds;
     }
 
     /**
@@ -229,7 +227,6 @@
         mInitialTask = null;
         mSecondTask = null;
         mStagePosition = SplitConfigurationOptions.STAGE_POSITION_UNDEFINED;
-        mInitialBounds = null;
         mRecentsAnimationRunning = false;
         mLaunchingTaskView = null;
     }
@@ -241,8 +238,4 @@
     public boolean isSplitSelectActive() {
         return mInitialTask != null && mSecondTask == null;
     }
-
-    public Rect getInitialBounds() {
-        return mInitialBounds;
-    }
 }
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index 4ec16ad..e863a89 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -1144,17 +1144,6 @@
             // Reset the running task when leaving overview since it can still have a reference to
             // its thumbnail
             mTmpRunningTasks = null;
-            // Remove grouped tasks and recycle once we exit overview
-            int taskCount = getTaskViewCount();
-            for (int i = 0; i < taskCount; i++) {
-                View v = getTaskViewAt(i);
-                if (!(v instanceof GroupedTaskView)) {
-                    return;
-                }
-                GroupedTaskView gtv = (GroupedTaskView) v;
-                gtv.onTaskListVisibilityChanged(false);
-                removeView(gtv);
-            }
             mSplitBoundsConfig = null;
         }
         updateLocusId();
@@ -2185,17 +2174,14 @@
      */
     protected boolean shouldAddStubTaskView(RunningTaskInfo[] runningTaskInfos) {
         if (runningTaskInfos.length > 1) {
-            // * Always create new view for GroupedTaskView
-            // * Remove existing associated taskViews for tasks currently in split
-            for (RunningTaskInfo rti : runningTaskInfos) {
-                TaskView taskView = getTaskViewByTaskId(rti.taskId);
-                if (taskView == null) {
-                    continue;
-                }
-                taskView.onTaskListVisibilityChanged(false);
-                removeView(taskView);
-            }
-            return true;
+            TaskView primaryTaskView = getTaskViewByTaskId(runningTaskInfos[0].taskId);
+            TaskView secondaryTaskView = getTaskViewByTaskId(runningTaskInfos[1].taskId);
+            int leftTopTaskViewId =
+                    (primaryTaskView == null) ? -1 : primaryTaskView.getTaskViewId();
+            int rightBottomTaskViewId =
+                    (secondaryTaskView == null) ? -1 : secondaryTaskView.getTaskViewId();
+            // Add a new stub view if both taskIds don't match any taskViews
+            return leftTopTaskViewId != rightBottomTaskViewId || leftTopTaskViewId == -1;
         }
         RunningTaskInfo runningTaskInfo = runningTaskInfos[0];
         return runningTaskInfo != null && getTaskViewByTaskId(runningTaskInfo.taskId) == null;
@@ -2246,7 +2232,7 @@
             measure(makeMeasureSpec(getMeasuredWidth(), EXACTLY),
                     makeMeasureSpec(getMeasuredHeight(), EXACTLY));
             layout(getLeft(), getTop(), getRight(), getBottom());
-        } else if (!needGroupTaskView && getTaskViewByTaskId(taskInfo.taskId) != null) {
+        } else if (getTaskViewByTaskId(taskInfo.taskId) != null) {
             runningTaskViewId = getTaskViewByTaskId(taskInfo.taskId).getTaskViewId();
         }
 
@@ -3994,7 +3980,7 @@
     }
 
     /** TODO(b/181707736) More gracefully handle exiting split selection state */
-    private void resetFromSplitSelectionState() {
+    protected void resetFromSplitSelectionState() {
         if (mSplitHiddenTaskViewIndex == -1) {
             return;
         }
@@ -4246,8 +4232,10 @@
         mPendingAnimation.addEndListener(isSuccess -> {
             if (isSuccess) {
                 if (tv.getTaskIds()[1] != -1) {
+                    // TODO(b/194414938): make this part of the animations instead.
                     TaskViewUtils.setSplitAuxiliarySurfacesShown(mRemoteTargetHandles[0]
-                            .getTransformParams().getTargetSet().nonApps, true);
+                            .getTransformParams().getTargetSet().nonApps,
+                            true /*shown*/, false /*animate*/);
                 }
                 if (ENABLE_QUICKSTEP_LIVE_TILE.get() && tv.isRunningTask()) {
                     finishRecentsAnimation(false /* toRecents */, null);
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.java b/quickstep/src/com/android/quickstep/views/TaskView.java
index a71e558..6a2c997e 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskView.java
@@ -470,7 +470,9 @@
         stubInfo.user = componentKey.user;
         stubInfo.intent = new Intent().setComponent(componentKey.componentName);
         stubInfo.title = task.title;
-        stubInfo.screenId = getRecentsView().indexOfChild(this);
+        if (getRecentsView() != null) {
+            stubInfo.screenId = getRecentsView().indexOfChild(this);
+        }
         return stubInfo;
     }
 
@@ -628,11 +630,8 @@
                         Arrays.stream(topLeftParams.getTargetSet().wallpapers),
                         Arrays.stream(rightBottomParams.getTargetSet().wallpapers))
                         .toArray(RemoteAnimationTargetCompat[]::new);
-                RemoteAnimationTargetCompat[] nonApps = Stream.concat(
-                        Arrays.stream(topLeftParams.getTargetSet().nonApps),
-                        Arrays.stream(rightBottomParams.getTargetSet().nonApps))
-                        .toArray(RemoteAnimationTargetCompat[]::new);
-                targets = new RemoteAnimationTargets(apps, wallpapers, nonApps,
+                targets = new RemoteAnimationTargets(apps, wallpapers,
+                        topLeftParams.getTargetSet().nonApps,
                         topLeftParams.getTargetSet().targetMode);
             }
             if (targets == null) {
diff --git a/src/com/android/launcher3/util/MultiValueAlpha.java b/src/com/android/launcher3/util/MultiValueAlpha.java
index 326141d..11cd07c 100644
--- a/src/com/android/launcher3/util/MultiValueAlpha.java
+++ b/src/com/android/launcher3/util/MultiValueAlpha.java
@@ -128,6 +128,9 @@
 
         public void setConsumer(Consumer<Float> consumer) {
             mConsumer = consumer;
+            if (mConsumer != null) {
+                mConsumer.accept(mValue);
+            }
         }
 
         @Override