diff --git a/protos/launcher_log.proto b/protos/launcher_log.proto
index cab20a3..06e6a92 100644
--- a/protos/launcher_log.proto
+++ b/protos/launcher_log.proto
@@ -110,6 +110,8 @@
   QUICK_SCRUB_BUTTON = 12;
   CLEAR_ALL_BUTTON = 13;
   CANCEL_TARGET = 14;
+  TASK_PREVIEW = 15;
+  SPLIT_SCREEN_TARGET = 16;
 }
 
 enum TipType {
diff --git a/quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java b/quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java
index 6703bb5..eea71ca 100644
--- a/quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java
+++ b/quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java
@@ -50,6 +50,7 @@
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
 import android.os.Build;
+import android.os.CancellationSignal;
 import android.os.Handler;
 import android.os.Looper;
 import android.util.Log;
@@ -105,6 +106,7 @@
     private static final int APP_LAUNCH_ALPHA_DURATION = 50;
 
     public static final int RECENTS_LAUNCH_DURATION = 336;
+    public static final int RECENTS_QUICKSCRUB_LAUNCH_DURATION = 300;
     private static final int LAUNCHER_RESUME_START_DELAY = 100;
     private static final int CLOSING_TRANSITION_DURATION_MS = 250;
 
@@ -236,8 +238,14 @@
         return bounds;
     }
 
-    public void setRemoteAnimationProvider(RemoteAnimationProvider animationProvider) {
+    public void setRemoteAnimationProvider(final RemoteAnimationProvider animationProvider,
+            CancellationSignal cancellationSignal) {
         mRemoteAnimationProvider = animationProvider;
+        cancellationSignal.setOnCancelListener(() -> {
+            if (animationProvider == mRemoteAnimationProvider) {
+                mRemoteAnimationProvider = null;
+            }
+        });
     }
 
     /**
@@ -253,15 +261,21 @@
         RecentsView recentsView = mLauncher.getOverviewPanel();
         boolean launcherClosing = launcherIsATargetWithMode(targets, MODE_CLOSING);
         boolean skipLauncherChanges = !launcherClosing;
+        boolean isLaunchingFromQuickscrub =
+                recentsView.getQuickScrubController().isWaitingForTaskLaunch();
 
         TaskView taskView = findTaskViewToLaunch(mLauncher, v, targets);
         if (taskView == null) {
             return false;
         }
 
+        int duration = isLaunchingFromQuickscrub
+                ? RECENTS_QUICKSCRUB_LAUNCH_DURATION
+                : RECENTS_LAUNCH_DURATION;
+
         ClipAnimationHelper helper = new ClipAnimationHelper();
         target.play(getRecentsWindowAnimator(taskView, skipLauncherChanges, targets, helper)
-                .setDuration(RECENTS_LAUNCH_DURATION));
+                .setDuration(duration));
 
         Animator childStateAnimation = null;
         // Found a visible recents task that matches the opening app, lets launch the app from there
@@ -270,7 +284,7 @@
         if (launcherClosing) {
             launcherAnim = recentsView.createAdjacentPageAnimForTaskLaunch(taskView, helper);
             launcherAnim.setInterpolator(Interpolators.TOUCH_RESPONSE_INTERPOLATOR);
-            launcherAnim.setDuration(RECENTS_LAUNCH_DURATION);
+            launcherAnim.setDuration(duration);
 
             // Make sure recents gets fixed up by resetting task alphas and scales, etc.
             windowAnimEndListener = new AnimatorListenerAdapter() {
@@ -282,11 +296,10 @@
             };
         } else {
             AnimatorPlaybackController controller =
-                    mLauncher.getStateManager()
-                            .createAnimationToNewWorkspace(NORMAL, RECENTS_LAUNCH_DURATION);
+                    mLauncher.getStateManager().createAnimationToNewWorkspace(NORMAL, duration);
             controller.dispatchOnStart();
             childStateAnimation = controller.getTarget();
-            launcherAnim = controller.getAnimationPlayer().setDuration(RECENTS_LAUNCH_DURATION);
+            launcherAnim = controller.getAnimationPlayer().setDuration(duration);
             windowAnimEndListener = new AnimatorListenerAdapter() {
                 @Override
                 public void onAnimationEnd(Animator animation) {
diff --git a/quickstep/src/com/android/launcher3/LauncherInitListener.java b/quickstep/src/com/android/launcher3/LauncherInitListener.java
index e5e377f..08b6bfc 100644
--- a/quickstep/src/com/android/launcher3/LauncherInitListener.java
+++ b/quickstep/src/com/android/launcher3/LauncherInitListener.java
@@ -20,6 +20,7 @@
 import android.content.Intent;
 import android.os.Build;
 import android.os.Bundle;
+import android.os.CancellationSignal;
 import android.os.Handler;
 
 import com.android.launcher3.states.InternalStateHandler;
@@ -48,10 +49,11 @@
 
             // Set a one-time animation provider. After the first call, this will get cleared.
             // TODO: Probably also check the intended target id.
+            CancellationSignal cancellationSignal = new CancellationSignal();
             appTransitionManager.setRemoteAnimationProvider((targets) -> {
 
                 // On the first call clear the reference.
-                appTransitionManager.setRemoteAnimationProvider(null);
+                cancellationSignal.cancel();
                 RemoteAnimationProvider provider = mRemoteAnimationProvider;
                 mRemoteAnimationProvider = null;
 
@@ -59,7 +61,7 @@
                     return provider.createWindowAnimation(targets);
                 }
                 return null;
-            });
+            }, cancellationSignal);
         }
         OverviewCallbacks.get(launcher).onInitOverviewTransition();
         return mOnInitListener.test(launcher, alreadyOnHome);
diff --git a/quickstep/src/com/android/launcher3/uioverrides/FastOverviewState.java b/quickstep/src/com/android/launcher3/uioverrides/FastOverviewState.java
index 43d9822..cd92314 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/FastOverviewState.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/FastOverviewState.java
@@ -76,4 +76,10 @@
         return Math.min(Math.min(dp.availableHeightPx / usedHeight,
                 dp.availableWidthPx / usedWidth), MAX_PREVIEW_SCALE_UP);
     }
+
+    @Override
+    public void onStateDisabled(Launcher launcher) {
+        super.onStateDisabled(launcher);
+        launcher.<RecentsView>getOverviewPanel().getQuickScrubController().cancelActiveQuickscrub();
+    }
 }
diff --git a/quickstep/src/com/android/launcher3/uioverrides/UiFactory.java b/quickstep/src/com/android/launcher3/uioverrides/UiFactory.java
index d0c7b21..dd5dcbe 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/UiFactory.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/UiFactory.java
@@ -25,14 +25,19 @@
 import static com.android.launcher3.LauncherState.OVERVIEW;
 import static com.android.launcher3.allapps.DiscoveryBounce.HOME_BOUNCE_SEEN;
 import static com.android.launcher3.allapps.DiscoveryBounce.SHELF_BOUNCE_SEEN;
+import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.MODE_CLOSING;
 
+import android.animation.AnimatorSet;
+import android.animation.ValueAnimator;
 import android.app.Activity;
 import android.content.Context;
+import android.os.CancellationSignal;
 import android.util.Base64;
 
 import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Launcher;
+import com.android.launcher3.LauncherAppTransitionManagerImpl;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.LauncherStateManager;
 import com.android.launcher3.LauncherStateManager.StateHandler;
@@ -41,6 +46,8 @@
 import com.android.launcher3.util.TouchController;
 import com.android.quickstep.OverviewInteractionState;
 import com.android.quickstep.RecentsModel;
+import com.android.quickstep.util.RemoteAnimationTargetSet;
+import com.android.quickstep.util.RemoteFadeOutAnimationListener;
 import com.android.quickstep.views.RecentsView;
 import com.android.systemui.shared.system.ActivityCompat;
 import com.android.systemui.shared.system.WindowManagerWrapper;
@@ -179,6 +186,23 @@
         }
     }
 
+    public static void useFadeOutAnimationForLauncherStart(Launcher launcher,
+            CancellationSignal cancellationSignal) {
+        LauncherAppTransitionManagerImpl appTransitionManager =
+                (LauncherAppTransitionManagerImpl) launcher.getAppTransitionManager();
+        appTransitionManager.setRemoteAnimationProvider((targets) -> {
+
+            // On the first call clear the reference.
+            cancellationSignal.cancel();
+
+            ValueAnimator fadeAnimation = ValueAnimator.ofFloat(1, 0);
+            fadeAnimation.addUpdateListener(new RemoteFadeOutAnimationListener(targets));
+            AnimatorSet anim = new AnimatorSet();
+            anim.play(fadeAnimation);
+            return anim;
+        }, cancellationSignal);
+    }
+
     public static boolean dumpActivity(Activity activity, PrintWriter writer) {
         if (!Utilities.IS_DEBUG_DEVICE) {
             return false;
diff --git a/quickstep/src/com/android/quickstep/QuickScrubController.java b/quickstep/src/com/android/quickstep/QuickScrubController.java
index 8e1a3d5..7a79c6f 100644
--- a/quickstep/src/com/android/quickstep/QuickScrubController.java
+++ b/quickstep/src/com/android/quickstep/QuickScrubController.java
@@ -40,7 +40,7 @@
 public class QuickScrubController implements OnAlarmListener {
 
     public static final int QUICK_SCRUB_FROM_APP_START_DURATION = 240;
-    public static final int QUICK_SCRUB_FROM_HOME_START_DURATION = 150;
+    public static final int QUICK_SCRUB_FROM_HOME_START_DURATION = 200;
     // We want the translation y to finish faster than the rest of the animation.
     public static final float QUICK_SCRUB_TRANSLATION_Y_FACTOR = 5f / 6;
     public static final Interpolator QUICK_SCRUB_START_INTERPOLATOR = FAST_OUT_SLOW_IN;
@@ -132,6 +132,17 @@
         }
     }
 
+    public void cancelActiveQuickscrub() {
+        if (!mInQuickScrub) {
+            return;
+        }
+        Log.d(TAG, "Quickscrub was active, cancelling");
+        mInQuickScrub = false;
+        mActivityControlHelper = null;
+        mOnFinishedTransitionToQuickScrubRunnable = null;
+        mRecentsView.setNextPageSwitchRunnable(null);
+    }
+
     /**
      * Initializes the UI for quick scrub, returns true if success.
      */
@@ -145,6 +156,10 @@
         return true;
     }
 
+    public boolean isWaitingForTaskLaunch() {
+        return mWaitingForTaskLaunch;
+    }
+
     /**
      * Attempts to go to normal overview or back to home, so UI doesn't prevent user interaction.
      */
diff --git a/quickstep/src/com/android/quickstep/TaskSystemShortcut.java b/quickstep/src/com/android/quickstep/TaskSystemShortcut.java
index 228af8e..f82ff8c 100644
--- a/quickstep/src/com/android/quickstep/TaskSystemShortcut.java
+++ b/quickstep/src/com/android/quickstep/TaskSystemShortcut.java
@@ -16,6 +16,8 @@
 
 package com.android.quickstep;
 
+import static com.android.launcher3.userevent.nano.LauncherLogProto.Action.Touch.TAP;
+
 import android.content.ComponentName;
 import android.content.Intent;
 import android.graphics.Bitmap;
@@ -35,6 +37,7 @@
 import com.android.launcher3.R;
 import com.android.launcher3.ShortcutInfo;
 import com.android.launcher3.popup.SystemShortcut;
+import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.launcher3.util.InstantAppResolver;
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.TaskThumbnailView;
@@ -166,7 +169,8 @@
                         Log.w(TAG, "Failed to notify SysUI of split screen: ", e);
                         return;
                     }
-
+                    activity.getUserEventDispatcher().logActionOnControl(TAP,
+                            LauncherLogProto.ControlType.SPLIT_SCREEN_TARGET);
                     // Add a device profile change listener to kick off animating the side tasks
                     // once we enter multiwindow mode and relayout
                     activity.addOnDeviceProfileChangeListener(onDeviceProfileChangeListener);
diff --git a/quickstep/src/com/android/quickstep/WindowTransformSwipeHandler.java b/quickstep/src/com/android/quickstep/WindowTransformSwipeHandler.java
index 191c237..d171f69 100644
--- a/quickstep/src/com/android/quickstep/WindowTransformSwipeHandler.java
+++ b/quickstep/src/com/android/quickstep/WindowTransformSwipeHandler.java
@@ -700,6 +700,7 @@
 
         mRecentsView.setRunningTaskHidden(false);
         mRecentsView.setRunningTaskIconScaledDown(false /* isScaledDown */, false /* animate */);
+        mQuickScrubController.cancelActiveQuickscrub();
     }
 
     private void notifyTransitionCancelled() {
diff --git a/quickstep/src/com/android/quickstep/util/RemoteFadeOutAnimationListener.java b/quickstep/src/com/android/quickstep/util/RemoteFadeOutAnimationListener.java
new file mode 100644
index 0000000..40dd74b
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/util/RemoteFadeOutAnimationListener.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.quickstep.util;
+
+import static com.android.quickstep.util.RemoteAnimationProvider.prepareTargetsForFirstFrame;
+import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.MODE_CLOSING;
+
+import android.animation.ValueAnimator;
+import android.animation.ValueAnimator.AnimatorUpdateListener;
+
+import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
+import com.android.systemui.shared.system.TransactionCompat;
+
+/**
+ * Animation listener which fades out the closing targets
+ */
+public class RemoteFadeOutAnimationListener implements AnimatorUpdateListener {
+
+    private final RemoteAnimationTargetSet mTarget;
+    private boolean mFirstFrame = true;
+
+    public RemoteFadeOutAnimationListener(RemoteAnimationTargetCompat[] targets) {
+        mTarget = new RemoteAnimationTargetSet(targets, MODE_CLOSING);
+    }
+
+    @Override
+    public void onAnimationUpdate(ValueAnimator valueAnimator) {
+        TransactionCompat t = new TransactionCompat();
+        if (mFirstFrame) {
+            prepareTargetsForFirstFrame(mTarget.unfilteredApps, t, MODE_CLOSING);
+            mFirstFrame = false;
+        }
+
+        float alpha = 1 - valueAnimator.getAnimatedFraction();
+        for (RemoteAnimationTargetCompat app : mTarget.apps) {
+            t.setAlpha(app.leash, alpha);
+        }
+        t.apply();
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index dee15d0..02cdd3a 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -1307,10 +1307,11 @@
         super.onInitializeAccessibilityEvent(event);
 
         if (event.getEventType() == AccessibilityEvent.TYPE_VIEW_SCROLLED) {
-            final int visiblePageNumber = getChildCount() - getCurrentPage() - 1;
-            event.setFromIndex(visiblePageNumber);
-            event.setToIndex(visiblePageNumber);
-            event.setItemCount(getChildCount());
+            final int childCount = getChildCount();
+            final int[] visibleTasks = getVisibleChildrenRange();
+            event.setFromIndex(childCount - visibleTasks[1] - 1);
+            event.setToIndex(childCount - visibleTasks[0] - 1);
+            event.setItemCount(childCount);
         }
     }
 
diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index 5cc2e8f..62b581f 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -152,6 +152,8 @@
     // Similar to the platform implementation of isLayoutValid();
     protected boolean mIsLayoutValid;
 
+    private int[] mTmpIntPair = new int[2];
+
     public PagedView(Context context) {
         this(context, null);
     }
@@ -1600,4 +1602,33 @@
 
         boolean shouldIncludeView(View view);
     }
+
+    public int[] getVisibleChildrenRange() {
+        float visibleLeft = 0;
+        float visibleRight = visibleLeft + getMeasuredWidth();
+        float scaleX = getScaleX();
+        if (scaleX < 1 && scaleX > 0) {
+            float mid = getMeasuredWidth() / 2;
+            visibleLeft = mid - ((mid - visibleLeft) / scaleX);
+            visibleRight = mid + ((visibleRight - mid) / scaleX);
+        }
+
+        int leftChild = -1;
+        int rightChild = -1;
+        final int childCount = getChildCount();
+        for (int i = 0; i < childCount; i++) {
+            final View child = getPageAt(i);
+
+            float left = child.getLeft() + child.getTranslationX() - getScrollX();
+            if (left <= visibleRight && (left + child.getMeasuredWidth()) >= visibleLeft) {
+                if (leftChild == -1) {
+                    leftChild = i;
+                }
+                rightChild = i;
+            }
+        }
+        mTmpIntPair[0] = leftChild;
+        mTmpIntPair[1] = rightChild;
+        return mTmpIntPair;
+    }
 }
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 06eb82e..66fb3c6 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -1381,28 +1381,9 @@
         if (mChildrenLayersEnabled) {
             final int screenCount = getChildCount();
 
-            float visibleLeft = 0;
-            float visibleRight = visibleLeft + getMeasuredWidth();
-            float scaleX = getScaleX();
-            if (scaleX < 1 && scaleX > 0) {
-                float mid = getMeasuredWidth() / 2;
-                visibleLeft = mid - ((mid - visibleLeft) / scaleX);
-                visibleRight = mid + ((visibleRight - mid) / scaleX);
-            }
-
-            int leftScreen = -1;
-            int rightScreen = -1;
-            for (int i = 0; i < screenCount; i++) {
-                final View child = getPageAt(i);
-
-                float left = child.getLeft() + child.getTranslationX() - getScrollX();
-                if (left <= visibleRight && (left + child.getMeasuredWidth()) >= visibleLeft) {
-                    if (leftScreen == -1) {
-                        leftScreen = i;
-                    }
-                    rightScreen = i;
-                }
-            }
+            final int[] visibleScreens = getVisibleChildrenRange();
+            int leftScreen = visibleScreens[0];
+            int rightScreen = visibleScreens[1];
             if (mForceDrawAdjacentPages) {
                 // In overview mode, make sure that the two side pages are visible.
                 leftScreen = Utilities.boundToRange(getCurrentPage() - 1, 0, rightScreen);
diff --git a/src/com/android/launcher3/dragndrop/BaseItemDragListener.java b/src/com/android/launcher3/dragndrop/BaseItemDragListener.java
index df4a7c1..1e84b41 100644
--- a/src/com/android/launcher3/dragndrop/BaseItemDragListener.java
+++ b/src/com/android/launcher3/dragndrop/BaseItemDragListener.java
@@ -159,7 +159,7 @@
         postCleanup();
     }
 
-    private void postCleanup() {
+    protected void postCleanup() {
         clearReference();
         if (mLauncher != null) {
             // Remove any drag params from the launcher intent since the drag operation is complete.
diff --git a/src/com/android/launcher3/dragndrop/PinItemDragListener.java b/src/com/android/launcher3/dragndrop/PinItemDragListener.java
index 924bb4c..07eb0d6 100644
--- a/src/com/android/launcher3/dragndrop/PinItemDragListener.java
+++ b/src/com/android/launcher3/dragndrop/PinItemDragListener.java
@@ -22,14 +22,17 @@
 import android.graphics.Rect;
 import android.os.Build;
 import android.os.Bundle;
+import android.os.CancellationSignal;
 import android.view.DragEvent;
 import android.view.View;
 import android.widget.RemoteViews;
 
 import com.android.launcher3.DragSource;
 import com.android.launcher3.ItemInfo;
+import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherAppWidgetProviderInfo;
 import com.android.launcher3.PendingAddItemInfo;
+import com.android.launcher3.uioverrides.UiFactory;
 import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.launcher3.widget.PendingAddShortcutInfo;
 import com.android.launcher3.widget.PendingAddWidgetInfo;
@@ -44,11 +47,13 @@
 public class PinItemDragListener extends BaseItemDragListener {
 
     private final PinItemRequest mRequest;
+    private final CancellationSignal mCancelSignal;
 
     public PinItemDragListener(PinItemRequest request, Rect previewRect,
             int previewBitmapWidth, int previewViewWidth) {
         super(previewRect, previewBitmapWidth, previewViewWidth);
         mRequest = request;
+        mCancelSignal = new CancellationSignal();
     }
 
     @Override
@@ -60,6 +65,15 @@
     }
 
     @Override
+    public boolean init(Launcher launcher, boolean alreadyOnHome) {
+        super.init(launcher, alreadyOnHome);
+        if (!alreadyOnHome) {
+            UiFactory.useFadeOutAnimationForLauncherStart(launcher, mCancelSignal);
+        }
+        return false;
+    }
+
+    @Override
     protected PendingItemDragHelper createDragHelper() {
         final PendingAddItemInfo item;
         if (mRequest.getRequestType() == PinItemRequest.REQUEST_TYPE_SHORTCUT) {
@@ -95,6 +109,12 @@
         targetParent.containerType = LauncherLogProto.ContainerType.PINITEM;
     }
 
+    @Override
+    protected void postCleanup() {
+        super.postCleanup();
+        mCancelSignal.cancel();
+    }
+
     public static RemoteViews getPreview(PinItemRequest request) {
         Bundle extras = request.getExtras();
         if (extras != null &&
diff --git a/src_ui_overrides/com/android/launcher3/uioverrides/UiFactory.java b/src_ui_overrides/com/android/launcher3/uioverrides/UiFactory.java
index db98f9a..5a7e50f 100644
--- a/src_ui_overrides/com/android/launcher3/uioverrides/UiFactory.java
+++ b/src_ui_overrides/com/android/launcher3/uioverrides/UiFactory.java
@@ -18,6 +18,7 @@
 
 import android.app.Activity;
 import android.content.Context;
+import android.os.CancellationSignal;
 
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherStateManager.StateHandler;
@@ -51,6 +52,9 @@
 
     public static void onTrimMemory(Launcher launcher, int level) { }
 
+    public static void useFadeOutAnimationForLauncherStart(Launcher launcher,
+            CancellationSignal cancellationSignal) { }
+
     public static boolean dumpActivity(Activity activity, PrintWriter writer) {
         return false;
     }