diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/BaseSwipeUpHandler.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/BaseSwipeUpHandler.java
index 85741ed..70b139d 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/BaseSwipeUpHandler.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/BaseSwipeUpHandler.java
@@ -197,33 +197,18 @@
     }
 
     protected void startNewTask(int successStateFlag, Consumer<Boolean> resultCallback) {
-        if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.NO_START_FROM_RECENTS, "startNewTask1");
-        }
         // Launch the task user scrolled to (mRecentsView.getNextPage()).
         if (ENABLE_QUICKSTEP_LIVE_TILE.get()) {
             // We finish recents animation inside launchTask() when live tile is enabled.
             mRecentsView.getNextPageTaskView().launchTask(false /* animate */,
                     true /* freezeTaskList */);
         } else {
-            if (TestProtocol.sDebugTracing) {
-                Log.d(TestProtocol.NO_START_FROM_RECENTS, "startNewTask2");
-            }
             int taskId = mRecentsView.getNextPageTaskView().getTask().key.id;
             mFinishingRecentsAnimationForNewTaskId = taskId;
             mRecentsAnimationController.finish(true /* toRecents */, () -> {
-                if (TestProtocol.sDebugTracing) {
-                    Log.d(TestProtocol.NO_START_FROM_RECENTS, "onFinishComplete1");
-                }
                 if (!mCanceled) {
-                    if (TestProtocol.sDebugTracing) {
-                        Log.d(TestProtocol.NO_START_FROM_RECENTS, "onFinishComplete2");
-                    }
                     TaskView nextTask = mRecentsView.getTaskView(taskId);
                     if (nextTask != null) {
-                        if (TestProtocol.sDebugTracing) {
-                            Log.d(TestProtocol.NO_START_FROM_RECENTS, "onFinishComplete3");
-                        }
                         nextTask.launchTask(false /* animate */, true /* freezeTaskList */,
                                 success -> {
                                     resultCallback.accept(success);
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherSwipeHandler.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherSwipeHandler.java
index 1bd0333..8574cf1 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherSwipeHandler.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherSwipeHandler.java
@@ -965,9 +965,6 @@
             windowAnim.addListener(new AnimationSuccessListener() {
                 @Override
                 public void onAnimationSuccess(Animator animator) {
-                    if (TestProtocol.sDebugTracing) {
-                        Log.d(TestProtocol.NO_START_FROM_RECENTS, "onAnimationSuccess");
-                    }
                     if (mRecentsAnimationController == null) {
                         // If the recents animation is interrupted, we still end the running
                         // animation (not canceled) so this is still called. In that case, we can
@@ -1191,9 +1188,6 @@
     }
 
     private void switchToScreenshot() {
-        if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.NO_START_FROM_RECENTS, "switchToScreenshot");
-        }
         final int runningTaskId = mGestureState.getRunningTaskId();
         if (ENABLE_QUICKSTEP_LIVE_TILE.get()) {
             if (mRecentsAnimationController != null) {
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
index b46d6f6..a18f7ba 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
@@ -849,7 +849,8 @@
         final int pageCount = getPageCount();
         for (int i = 0; i < pageCount; i++) {
             View page = getPageAt(i);
-            mScrollState.updateInterpolation(mOrientationHandler.getChildStart(page), mPageSpacing);
+            mScrollState.updateInterpolation(mOrientationHandler.getChildStartWithTranslation(page),
+                    mPageSpacing);
             ((PageCallbacks) page).onPageScroll(mScrollState);
         }
     }
@@ -1236,7 +1237,7 @@
         /**
          * Updates linearInterpolation for the provided child position
          */
-        public void updateInterpolation(int childStart, int pageSpacing) {
+        public void updateInterpolation(float childStart, int pageSpacing) {
             float pageCenter = childStart + halfPageSize;
             float distanceFromScreenCenter = screenCenter - pageCenter;
             float distanceToReachEdge = halfScreenSize + halfPageSize + pageSpacing;
diff --git a/quickstep/src/com/android/quickstep/RecentsAnimationCallbacks.java b/quickstep/src/com/android/quickstep/RecentsAnimationCallbacks.java
index 783978d..d1dbcfb 100644
--- a/quickstep/src/com/android/quickstep/RecentsAnimationCallbacks.java
+++ b/quickstep/src/com/android/quickstep/RecentsAnimationCallbacks.java
@@ -91,9 +91,6 @@
             RemoteAnimationTargetCompat[] appTargets,
             RemoteAnimationTargetCompat[] wallpaperTargets,
             Rect homeContentInsets, Rect minimizedHomeBounds) {
-        if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.NO_START_FROM_RECENTS, "onAnimationStart");
-        }
         RecentsAnimationTargets targets = new RecentsAnimationTargets(appTargets,
                 wallpaperTargets, homeContentInsets, minimizedHomeBounds);
         mController = new RecentsAnimationController(animationController,
diff --git a/quickstep/src/com/android/quickstep/TaskAnimationManager.java b/quickstep/src/com/android/quickstep/TaskAnimationManager.java
index b04a1ae..bbca568 100644
--- a/quickstep/src/com/android/quickstep/TaskAnimationManager.java
+++ b/quickstep/src/com/android/quickstep/TaskAnimationManager.java
@@ -53,9 +53,6 @@
     @UiThread
     public RecentsAnimationCallbacks startRecentsAnimation(GestureState gestureState,
             Intent intent, RecentsAnimationCallbacks.RecentsAnimationListener listener) {
-        if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.NO_START_FROM_RECENTS, "startRecentsAnimation");
-        }
         // Notify if recents animation is still running
         if (mController != null) {
             String msg = "New recents animation started before old animation completed";
diff --git a/res/values/config.xml b/res/values/config.xml
index ef67613..0657b86 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -131,8 +131,8 @@
     <item name="dismiss_task_trans_x_damping_ratio" type="dimen" format="float">0.5</item>
     <item name="dismiss_task_trans_x_stiffness" type="dimen" format="float">1500</item>
 
-    <item name="horizontal_spring_damping_ratio" type="dimen" format="float">0.75</item>
-    <item name="horizontal_spring_stiffness" type="dimen" format="float">200</item>
+    <item name="horizontal_spring_damping_ratio" type="dimen" format="float">0.8</item>
+    <item name="horizontal_spring_stiffness" type="dimen" format="float">400</item>
 
     <item name="swipe_up_rect_scale_damping_ratio" type="dimen" format="float">0.75</item>
     <item name="swipe_up_rect_scale_stiffness" type="dimen" format="float">200</item>
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 14638a1..48db5ea 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -2565,9 +2565,10 @@
         writer.println(prefix + "\tmRotationHelper: " + mRotationHelper);
         writer.println(prefix + "\tmAppWidgetHost.isListening: " + mAppWidgetHost.isListening());
 
-        // Extra logging for b/116853349
+        // Extra logging for general debugging
         mDragLayer.dump(prefix, writer);
         mStateManager.dump(prefix, writer);
+        mPopupDataProvider.dump(prefix, writer);
 
         try {
             FileLog.flushAll(writer);
diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index e36ae94..5343424 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -917,7 +917,7 @@
                 // Remember location of down touch
                 mDownMotionX = x;
                 mDownMotionY = y;
-                mLastMotion = mOrientationHandler.getPrimaryDirection(ev, 0);
+                mDownMotionPrimary = mLastMotion = mOrientationHandler.getPrimaryDirection(ev, 0);
                 mLastMotionRemainder = 0;
                 mTotalMotion = 0;
                 mActivePointerId = ev.getPointerId(0);
@@ -1069,16 +1069,28 @@
         }
     }
 
+    /**
+     * Returns the amount of overscroll caused by the spring in {@link OverScroller}.
+     */
+    private int getSpringOverScroll(int amount) {
+        if (mScroller.isSpringing()) {
+            return amount < 0
+                    ? mScroller.getCurrPos()
+                    : Math.max(0, mScroller.getCurrPos() - mMaxScroll);
+        } else {
+            return 0;
+        }
+    }
+
     protected void dampedOverScroll(int amount) {
-        mSpringOverScroll = amount;
         if (amount == 0) {
             return;
         }
 
         int size = mOrientationHandler.getMeasuredSize(this);
         int overScrollAmount = OverScroll.dampedScroll(amount, size);
-        mSpringOverScroll = overScrollAmount;
         if (mScroller.isSpringing()) {
+            mSpringOverScroll = getSpringOverScroll(amount);
             invalidate();
             return;
         }
@@ -1090,8 +1102,8 @@
     }
 
     protected void overScroll(int amount) {
-        mSpringOverScroll = amount;
         if (mScroller.isSpringing()) {
+            mSpringOverScroll = getSpringOverScroll(amount);
             invalidate();
             return;
         }
diff --git a/src/com/android/launcher3/dot/DotInfo.java b/src/com/android/launcher3/dot/DotInfo.java
index 4ff0539..fc180d1 100644
--- a/src/com/android/launcher3/dot/DotInfo.java
+++ b/src/com/android/launcher3/dot/DotInfo.java
@@ -16,6 +16,8 @@
 
 package com.android.launcher3.dot;
 
+import androidx.annotation.NonNull;
+
 import com.android.launcher3.notification.NotificationInfo;
 import com.android.launcher3.notification.NotificationKeyData;
 
@@ -83,4 +85,10 @@
     public int getNotificationCount() {
         return Math.min(mTotalCount, MAX_COUNT);
     }
+
+    @NonNull
+    @Override
+    public String toString() {
+        return Integer.toString(mTotalCount);
+    }
 }
diff --git a/src/com/android/launcher3/popup/PopupContainerWithArrow.java b/src/com/android/launcher3/popup/PopupContainerWithArrow.java
index 36c8ee2..331298f 100644
--- a/src/com/android/launcher3/popup/PopupContainerWithArrow.java
+++ b/src/com/android/launcher3/popup/PopupContainerWithArrow.java
@@ -51,6 +51,7 @@
 import com.android.launcher3.DropTarget.DragObject;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
+import com.android.launcher3.Utilities;
 import com.android.launcher3.accessibility.LauncherAccessibilityDelegate;
 import com.android.launcher3.accessibility.ShortcutMenuAccessibilityDelegate;
 import com.android.launcher3.dot.DotInfo;
@@ -397,6 +398,9 @@
         } else if (view instanceof ImageView) {
             // Only the system shortcut icon shows on a gray background header.
             info.setIconAndContentDescriptionFor((ImageView) view);
+            if (Utilities.ATLEAST_OREO) {
+                view.setTooltipText(view.getContentDescription());
+            }
         }
         view.setTag(info);
         view.setOnClickListener(info);
diff --git a/src/com/android/launcher3/popup/PopupDataProvider.java b/src/com/android/launcher3/popup/PopupDataProvider.java
index a6b9356..5a5f668 100644
--- a/src/com/android/launcher3/popup/PopupDataProvider.java
+++ b/src/com/android/launcher3/popup/PopupDataProvider.java
@@ -33,6 +33,7 @@
 import com.android.launcher3.util.ShortcutUtil;
 import com.android.launcher3.widget.WidgetListRowEntry;
 
+import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
@@ -238,6 +239,11 @@
                 }).collect(Collectors.toList());
     }
 
+    public void dump(String prefix, PrintWriter writer) {
+        writer.println(prefix + "PopupDataProvider:");
+        writer.println(prefix + "\tmPackageUserToDotInfos:" + mPackageUserToDotInfos);
+    }
+
     public interface PopupDataChangeListener {
 
         PopupDataChangeListener INSTANCE = new PopupDataChangeListener() { };
diff --git a/src/com/android/launcher3/testing/TestProtocol.java b/src/com/android/launcher3/testing/TestProtocol.java
index 3181752..015de59 100644
--- a/src/com/android/launcher3/testing/TestProtocol.java
+++ b/src/com/android/launcher3/testing/TestProtocol.java
@@ -100,5 +100,4 @@
     public static final String NO_BACKGROUND_TO_OVERVIEW_TAG = "b/138251824";
     public static final String APP_NOT_DISABLED = "b/139891609";
     public static final String NO_SCROLL_END_WIDGETS = "b/152354290";
-    public static final String NO_START_FROM_RECENTS = "b/152658211";
 }
diff --git a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
index 6715bc1..bab5747 100644
--- a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
+++ b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
@@ -65,11 +65,11 @@
     }
 
     @Override
-    public void getCurveProperties(PagedView view, Rect mInsets, CurveProperties out) {
+    public void getCurveProperties(PagedView view, Rect insets, CurveProperties out) {
         out.scroll = view.getScrollY();
         out.halfPageSize = view.getNormalChildHeight() / 2;
         out.halfScreenSize = view.getMeasuredHeight() / 2;
-        out.screenCenter = mInsets.top + view.getPaddingTop() + out.scroll + out.halfPageSize;
+        out.screenCenter = insets.top + view.getPaddingTop() + out.scroll + out.halfPageSize;
     }
 
     @Override
@@ -157,11 +157,6 @@
     }
 
     @Override
-    public float getViewCenterPosition(View view) {
-        return view.getTop() + view.getTranslationY();
-    }
-
-    @Override
     public int getPrimaryScroll(View view) {
         return view.getScrollY();
     }
@@ -205,6 +200,11 @@
     }
 
     @Override
+    public float getChildStartWithTranslation(View view) {
+        return view.getTop() + view.getTranslationY();
+    }
+
+    @Override
     public int getCenterForPage(View view, Rect insets) {
         return (view.getPaddingLeft() + view.getMeasuredWidth() + insets.left
             - insets.right - view.getPaddingRight()) / 2;
diff --git a/src/com/android/launcher3/touch/PagedOrientationHandler.java b/src/com/android/launcher3/touch/PagedOrientationHandler.java
index 974e3f3..50606ec 100644
--- a/src/com/android/launcher3/touch/PagedOrientationHandler.java
+++ b/src/com/android/launcher3/touch/PagedOrientationHandler.java
@@ -65,10 +65,10 @@
     FloatProperty<View> getPrimaryViewTranslate();
     FloatProperty<View> getSecondaryViewTranslate();
     void setPrimaryAndResetSecondaryTranslate(View view, float translation);
-    float getViewCenterPosition(View view);
     int getPrimaryScroll(View view);
     float getPrimaryScale(View view);
     int getChildStart(View view);
+    float getChildStartWithTranslation(View view);
     int getCenterForPage(View view, Rect insets);
     int getScrollOffsetStart(View view, Rect insets);
     int getScrollOffsetEnd(View view, Rect insets);
@@ -87,7 +87,7 @@
     void delegateScrollTo(PagedView pagedView, int primaryScroll);
     void delegateScrollBy(PagedView pagedView, int unboundedScroll, int x, int y);
     void scrollerStartScroll(OverScroller scroller, int newPosition);
-    void getCurveProperties(PagedView view, Rect mInsets, CurveProperties out);
+    void getCurveProperties(PagedView view, Rect insets, CurveProperties out);
     boolean isGoingUp(float displacement);
 
     /**
diff --git a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
index 6d903b3..245138f 100644
--- a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
+++ b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
@@ -65,11 +65,11 @@
     }
 
     @Override
-    public void getCurveProperties(PagedView view, Rect mInsets, CurveProperties out) {
+    public void getCurveProperties(PagedView view, Rect insets, CurveProperties out) {
         out.scroll = view.getScrollX();
         out.halfPageSize = view.getNormalChildWidth() / 2;
         out.halfScreenSize = view.getMeasuredWidth() / 2;
-        out.screenCenter = mInsets.left + view.getPaddingLeft() + out.scroll + out.halfPageSize;
+        out.screenCenter = insets.left + view.getPaddingLeft() + out.scroll + out.halfPageSize;
     }
 
     @Override
@@ -155,11 +155,6 @@
     }
 
     @Override
-    public float getViewCenterPosition(View view) {
-        return view.getLeft() + view.getTranslationX();
-    }
-
-    @Override
     public int getPrimaryScroll(View view) {
         return view.getScrollX();
     }
@@ -203,6 +198,11 @@
     }
 
     @Override
+    public float getChildStartWithTranslation(View view) {
+        return view.getLeft() + view.getTranslationX();
+    }
+
+    @Override
     public int getCenterForPage(View view, Rect insets) {
         return (view.getPaddingTop() + view.getMeasuredHeight() + insets.top
             - insets.bottom - view.getPaddingBottom()) / 2;
diff --git a/src/com/android/launcher3/util/OverScroller.java b/src/com/android/launcher3/util/OverScroller.java
index 34efb12..87e6986 100644
--- a/src/com/android/launcher3/util/OverScroller.java
+++ b/src/com/android/launcher3/util/OverScroller.java
@@ -561,10 +561,11 @@
             mStartTime = AnimationUtils.currentAnimationTimeMillis();
             mDuration = duration;
 
+            if (mSpring != null) {
+                mSpring.cancel();
+            }
+
             if (mState == SPRING) {
-                if (mSpring != null) {
-                    mSpring.cancel();
-                }
                 mSpring = new SpringAnimation(this, SPRING_PROPERTY);
 
                 ResourceProvider rp = DynamicResource.provider(mContext);
@@ -576,9 +577,9 @@
                 mSpring.setStartVelocity(velocity);
                 mSpring.animateToFinalPosition(mFinal);
                 mSpring.addEndListener((animation, canceled, value, velocity1) -> {
+                    mSpring = null;
                     finish();
                     mState = SPLINE;
-                    mSpring = null;
                 });
             }
             // Unused
diff --git a/src/com/android/launcher3/util/PackageUserKey.java b/src/com/android/launcher3/util/PackageUserKey.java
index 46e7070..3a3b5a2 100644
--- a/src/com/android/launcher3/util/PackageUserKey.java
+++ b/src/com/android/launcher3/util/PackageUserKey.java
@@ -3,6 +3,7 @@
 import android.os.UserHandle;
 import android.service.notification.StatusBarNotification;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
 import com.android.launcher3.model.data.ItemInfo;
@@ -60,4 +61,10 @@
         PackageUserKey otherKey = (PackageUserKey) obj;
         return mPackageName.equals(otherKey.mPackageName) && mUser.equals(otherKey.mUser);
     }
+
+    @NonNull
+    @Override
+    public String toString() {
+        return mPackageName + "#" + mUser;
+    }
 }