diff --git a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
index 65df237..31cf51c 100644
--- a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
+++ b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
@@ -34,6 +34,7 @@
 import static com.android.launcher3.anim.Interpolators.DEACCEL_1_7;
 import static com.android.launcher3.anim.Interpolators.EXAGGERATED_EASE;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
+import static com.android.launcher3.config.FeatureFlags.ENABLE_SCRIM_FOR_APP_LAUNCH;
 import static com.android.launcher3.config.FeatureFlags.KEYGUARD_ANIMATION;
 import static com.android.launcher3.config.FeatureFlags.SEPARATE_RECENTS_ACTIVITY;
 import static com.android.launcher3.dragndrop.DragLayer.ALPHA_INDEX_TRANSITIONS;
@@ -508,20 +509,23 @@
                 launcherAnimator.play(scaleAnim);
             });
 
-            int scrimColor = Themes.getAttrColor(mLauncher, R.attr.overviewScrimColor);
-            int scrimColorTrans = ColorUtils.setAlphaComponent(scrimColor, 0);
-            int[] colors = isAppOpening
-                    ? new int[] {scrimColorTrans, scrimColor}
-                    : new int[] {scrimColor, scrimColorTrans};
-            ScrimView scrimView = mLauncher.getScrimView();
-            if (scrimView.getBackground() instanceof ColorDrawable) {
-                scrimView.setBackgroundColor(colors[0]);
+            final boolean scrimEnabled = ENABLE_SCRIM_FOR_APP_LAUNCH.get();
+            if (scrimEnabled) {
+                int scrimColor = Themes.getAttrColor(mLauncher, R.attr.overviewScrimColor);
+                int scrimColorTrans = ColorUtils.setAlphaComponent(scrimColor, 0);
+                int[] colors = isAppOpening
+                        ? new int[]{scrimColorTrans, scrimColor}
+                        : new int[]{scrimColor, scrimColorTrans};
+                ScrimView scrimView = mLauncher.getScrimView();
+                if (scrimView.getBackground() instanceof ColorDrawable) {
+                    scrimView.setBackgroundColor(colors[0]);
 
-                ObjectAnimator scrim = ObjectAnimator.ofArgb(scrimView, VIEW_BACKGROUND_COLOR,
-                        colors);
-                scrim.setDuration(CONTENT_SCRIM_DURATION);
-                scrim.setInterpolator(DEACCEL_1_5);
-                launcherAnimator.play(scrim);
+                    ObjectAnimator scrim = ObjectAnimator.ofArgb(scrimView, VIEW_BACKGROUND_COLOR,
+                            colors);
+                    scrim.setDuration(CONTENT_SCRIM_DURATION);
+                    scrim.setInterpolator(DEACCEL_1_5);
+                    launcherAnimator.play(scrim);
+                }
             }
 
             // Pause page indicator animations as they lead to layer trashing.
@@ -532,7 +536,9 @@
                     SCALE_PROPERTY.set(view, 1f);
                     view.setLayerType(View.LAYER_TYPE_NONE, null);
                 });
-                scrimView.setBackgroundColor(Color.TRANSPARENT);
+                if (scrimEnabled) {
+                    mLauncher.getScrimView().setBackgroundColor(Color.TRANSPARENT);
+                }
                 mLauncher.getWorkspace().getPageIndicator().skipAnimationsToEnd();
             };
         }
diff --git a/res/values-v28/styles.xml b/res/values-v28/styles.xml
deleted file mode 100644
index 7df9ce5..0000000
--- a/res/values-v28/styles.xml
+++ /dev/null
@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/*
-* Copyright (C) 2019 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.
-*/
--->
-<resources>
-    <style name="TextHeadline" parent="@android:style/TextAppearance.DeviceDefault.DialogWindowTitle" >
-        <item name="android:textFontWeight">400</item>
-    </style>
-</resources>
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index d0fc87b..6247dc2 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -98,7 +98,7 @@
     <dimen name="all_apps_header_tab_height">48dp</dimen>
     <dimen name="all_apps_tabs_indicator_height">2dp</dimen>
     <dimen name="all_apps_header_top_padding">36dp</dimen>
-    <dimen name="all_apps_header_bottom_padding">16dp</dimen>
+    <dimen name="all_apps_header_bottom_padding">6dp</dimen>
     <dimen name="all_apps_work_profile_tab_footer_top_padding">16dp</dimen>
     <dimen name="all_apps_work_profile_tab_footer_bottom_padding">20dp</dimen>
     <dimen name="all_apps_tabs_vertical_padding">6dp</dimen>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 9823df3..60c0774 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -190,11 +190,11 @@
     <!-- Widgets: -->
     <skip />    
 
-    <!-- Text to show user in place of a gadget when we can't display it properly -->
-    <string name="gadget_error_text">Problem loading widget</string>
+    <!-- Error text that lets a user know that the widget can't load. -->
+    <string name="gadget_error_text">Can\'t load widget</string>
 
-    <!-- Text to show user in place of a gadget when it is not yet initialized. -->
-    <string name="gadget_setup_text">Setup</string>
+    <!-- Instructional text to encourage a user to finish setting up the widget. -->
+    <string name="gadget_setup_text">Tap to finish setup</string>
 
     <!-- Text to inform the user that they can't uninstall a system application -->
     <string name="uninstall_system_app_text">This is a system app and can\'t be uninstalled.</string>
diff --git a/res/values/styles.xml b/res/values/styles.xml
index c3476c4..2119e58 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -214,7 +214,9 @@
         <item name="disabledIconAlpha">.54</item>
     </style>
 
-    <style name="BaseIconUnBounded" parent="@android:style/TextAppearance.DeviceDefault.DialogWindowTitle">
+    <style name="BaseIconRoot" parent="@android:style/TextAppearance.DeviceDefault.DialogWindowTitle"/>
+
+    <style name="BaseIconUnBounded" parent="BaseIconRoot">
         <item name="android:layout_width">match_parent</item>
         <item name="android:layout_height">match_parent</item>
         <item name="android:layout_gravity">center</item>
@@ -275,7 +277,7 @@
 
     <style name="DropTargetButton" parent="DropTargetButtonBase" />
 
-    <style name="TextHeadline" parent="@android:style/TextAppearance.DeviceDefault" />
+    <style name="TextHeadline" parent="@android:style/TextAppearance.DeviceDefault.DialogWindowTitle" />
 
     <style name="PrimaryHeadline" parent="@android:style/TextAppearance.DeviceDefault.DialogWindowTitle"/>
 
diff --git a/robolectric_tests/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfoTest.java b/robolectric_tests/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfoTest.java
index c7286e5..2d87957 100644
--- a/robolectric_tests/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfoTest.java
+++ b/robolectric_tests/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfoTest.java
@@ -36,6 +36,10 @@
 import org.robolectric.RobolectricTestRunner;
 import org.robolectric.RuntimeEnvironment;
 
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
 @RunWith(RobolectricTestRunner.class)
 public final class LauncherAppWidgetProviderInfoTest {
 
@@ -234,10 +238,11 @@
         Mockito.when(profile.getCellSize()).thenReturn(new Point(CELL_SIZE, CELL_SIZE));
 
         InvariantDeviceProfile idp = new InvariantDeviceProfile();
-        idp.supportedProfiles.add(profile);
+        List<DeviceProfile> supportedProfiles = new ArrayList<>(idp.supportedProfiles);
+        supportedProfiles.add(profile);
+        idp.supportedProfiles = Collections.unmodifiableList(supportedProfiles);
         idp.numColumns = NUM_OF_COLS;
         idp.numRows = NUM_OF_ROWS;
         return idp;
     }
-
 }
diff --git a/src/com/android/launcher3/InvariantDeviceProfile.java b/src/com/android/launcher3/InvariantDeviceProfile.java
index 318dde1..29a0223 100644
--- a/src/com/android/launcher3/InvariantDeviceProfile.java
+++ b/src/com/android/launcher3/InvariantDeviceProfile.java
@@ -140,7 +140,10 @@
     public int defaultLayoutId;
     int demoModeLayoutId;
 
-    public final List<DeviceProfile> supportedProfiles = new ArrayList<>();
+    /**
+     * An immutable list of supported profiles.
+     */
+    public List<DeviceProfile> supportedProfiles = Collections.EMPTY_LIST;
 
     @Nullable public DevicePaddings devicePaddings;
 
@@ -322,10 +325,10 @@
         // Supported overrides: numRows, numColumns, iconSize
         applyPartnerDeviceProfileOverrides(context, metrics);
 
-        supportedProfiles.clear();
+        final List<DeviceProfile> localSupportedProfiles = new ArrayList<>();
         defaultWallpaperSize = new Point(displayInfo.currentSize);
         for (WindowBounds bounds : displayInfo.supportedBounds) {
-            supportedProfiles.add(new DeviceProfile.Builder(context, this, displayInfo)
+            localSupportedProfiles.add(new DeviceProfile.Builder(context, this, displayInfo)
                     .setUseTwoPanels(isSplitDisplay)
                     .setWindowBounds(bounds).build());
 
@@ -343,6 +346,7 @@
             defaultWallpaperSize.x =
                     Math.max(defaultWallpaperSize.x, Math.round(parallaxFactor * displayWidth));
         }
+        supportedProfiles = Collections.unmodifiableList(localSupportedProfiles);
 
         ComponentName cn = new ComponentName(context.getPackageName(), getClass().getName());
         defaultWidgetPadding = AppWidgetHostView.getDefaultPaddingForWidget(context, cn, null);
diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index a2d86bc..75f6278 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -122,7 +122,8 @@
 
     public static final boolean ATLEAST_R = Build.VERSION.SDK_INT >= Build.VERSION_CODES.R;
 
-    public static final boolean ATLEAST_S = BuildCompat.isAtLeastS();
+    public static final boolean ATLEAST_S = BuildCompat.isAtLeastS()
+            || Build.VERSION.SDK_INT >= Build.VERSION_CODES.S;
 
     /**
      * Set on a motion event dispatched from the nav bar. See {@link MotionEvent#setEdgeFlags(int)}.
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 2e1cc58..303bb01 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -2791,6 +2791,10 @@
                 removeWorkspaceItem(mDragInfo.cell);
             }
         } else if (mDragInfo != null) {
+            // When drag is cancelled, reattach content view back to its original parent.
+            if (mDragInfo.cell instanceof LauncherAppWidgetHostView) {
+                d.dragView.detachContentView(/* reattachToPreviousParent= */ true);
+            }
             final CellLayout cellLayout = mLauncher.getCellLayout(
                     mDragInfo.container, mDragInfo.screenId);
             if (cellLayout != null) {
diff --git a/src/com/android/launcher3/allapps/AllAppsContainerView.java b/src/com/android/launcher3/allapps/AllAppsContainerView.java
index 7003df1..39d1a00 100644
--- a/src/com/android/launcher3/allapps/AllAppsContainerView.java
+++ b/src/com/android/launcher3/allapps/AllAppsContainerView.java
@@ -21,6 +21,8 @@
 import static com.android.launcher3.model.BgDataModel.Callbacks.FLAG_QUIET_MODE_CHANGE_PERMISSION;
 import static com.android.launcher3.model.BgDataModel.Callbacks.FLAG_QUIET_MODE_ENABLED;
 
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
 import android.animation.ValueAnimator;
 import android.content.Context;
 import android.content.res.Resources;
@@ -81,10 +83,7 @@
         ScrimView.ScrimDrawingController {
 
     public static final float PULL_MULTIPLIER = .02f;
-    public static final float FLING_VELOCITY_MULTIPLIER = 2000f;
-
-    // Starts the springs after at least 25% of the animation has passed.
-    public static final float FLING_ANIMATION_THRESHOLD = 0.25f;
+    public static final float FLING_VELOCITY_MULTIPLIER = 1200f;
 
     private final Paint mHeaderPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
 
@@ -645,20 +644,18 @@
     /**
      * Adds an update listener to {@param animator} that adds springs to the animation.
      */
-    public void addSpringFromFlingUpdateListener(ValueAnimator animator, float velocity) {
-        animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
-            boolean shouldSpring = true;
-
+    public void addSpringFromFlingUpdateListener(ValueAnimator animator,
+            float velocity /* release velocity */,
+            float progress /* portion of the distance to travel*/) {
+        animator.addListener(new AnimatorListenerAdapter() {
             @Override
-            public void onAnimationUpdate(ValueAnimator valueAnimator) {
-                if (shouldSpring
-                        && valueAnimator.getAnimatedFraction() >= FLING_ANIMATION_THRESHOLD) {
-                    absorbSwipeUpVelocity(Math.max(100, Math.abs(
-                            Math.round(velocity * FLING_VELOCITY_MULTIPLIER))));
-                    // calculate the velocity of using the not user controlled interpolator
-                    // of when the container reach the end.
-                    shouldSpring = false;
-                }
+            public void onAnimationStart(Animator animator) {
+                float distance = (float) ((1 - progress) * getHeight()); // px
+                float settleVelocity = Math.min(0, distance
+                        / (AllAppsTransitionController.INTERP_COEFF * animator.getDuration())
+                        + velocity);
+                absorbSwipeUpVelocity(Math.max(1000, Math.abs(
+                        Math.round(settleVelocity * FLING_VELOCITY_MULTIPLIER))));
             }
         });
     }
diff --git a/src/com/android/launcher3/allapps/AllAppsTransitionController.java b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
index 8ec8269..a0551f0 100644
--- a/src/com/android/launcher3/allapps/AllAppsTransitionController.java
+++ b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
@@ -57,6 +57,8 @@
  */
 public class AllAppsTransitionController
         implements StateHandler<LauncherState>, OnDeviceProfileChangeListener {
+    // This constant should match the second derivative of the animator interpolator.
+    public static final float INTERP_COEFF = 1.7f;
     private static final float CONTENT_VISIBLE_MAX_THRESHOLD = 0.5f;
 
     public static final FloatProperty<AllAppsTransitionController> ALL_APPS_PROGRESS =
diff --git a/src/com/android/launcher3/allapps/WorkModeSwitch.java b/src/com/android/launcher3/allapps/WorkModeSwitch.java
index 866694f..3680fb9 100644
--- a/src/com/android/launcher3/allapps/WorkModeSwitch.java
+++ b/src/com/android/launcher3/allapps/WorkModeSwitch.java
@@ -15,6 +15,7 @@
  */
 package com.android.launcher3.allapps;
 
+import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TURN_OFF_WORK_APPS_TAP;
 import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
 
 import android.content.Context;
@@ -31,6 +32,7 @@
 import androidx.annotation.RequiresApi;
 
 import com.android.launcher3.Insettable;
+import com.android.launcher3.Launcher;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.pm.UserCache;
 
@@ -92,6 +94,8 @@
     public void onClick(View view) {
         if (Utilities.ATLEAST_P) {
             setEnabled(false);
+            Launcher.fromContext(getContext()).getStatsLogManager().logger().log(
+                    LAUNCHER_TURN_OFF_WORK_APPS_TAP);
             UI_HELPER_EXECUTOR.post(() -> setWorkProfileEnabled(getContext(), false));
         }
     }
diff --git a/src/com/android/launcher3/allapps/WorkPausedCard.java b/src/com/android/launcher3/allapps/WorkPausedCard.java
index 3955a9a..7908b63 100644
--- a/src/com/android/launcher3/allapps/WorkPausedCard.java
+++ b/src/com/android/launcher3/allapps/WorkPausedCard.java
@@ -15,6 +15,7 @@
  */
 package com.android.launcher3.allapps;
 
+import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TURN_ON_WORK_APPS_TAP;
 import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
 
 import android.content.Context;
@@ -61,6 +62,7 @@
     public void onClick(View view) {
         if (Utilities.ATLEAST_P) {
             setEnabled(false);
+            mLauncher.getStatsLogManager().logger().log(LAUNCHER_TURN_ON_WORK_APPS_TAP);
             UI_HELPER_EXECUTOR.post(() -> WorkModeSwitch.setWorkProfileEnabled(getContext(), true));
         }
     }
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index 0e710b7..65b4c3b 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -220,6 +220,10 @@
             "ENABLE_TWO_PANEL_HOME", false,
             "Uses two panel on home screen. Only applicable on large screen devices.");
 
+    public static final BooleanFlag ENABLE_SCRIM_FOR_APP_LAUNCH = getDebugFlag(
+            "ENABLE_SCRIM_FOR_APP_LAUNCH", false,
+            "Enables scrim during app launch animation.");
+
     public static final BooleanFlag ENABLE_SPLIT_SELECT = getDebugFlag(
             "ENABLE_SPLIT_SELECT", false, "Uses new split screen selection overview UI");
 
diff --git a/src/com/android/launcher3/folder/ClippedFolderIconLayoutRule.java b/src/com/android/launcher3/folder/ClippedFolderIconLayoutRule.java
index 3457804..54967a9 100644
--- a/src/com/android/launcher3/folder/ClippedFolderIconLayoutRule.java
+++ b/src/com/android/launcher3/folder/ClippedFolderIconLayoutRule.java
@@ -34,7 +34,6 @@
         float totalScale = scaleForItem(curNumItems);
         float transX;
         float transY;
-        float overlayAlpha = 0;
 
         if (index == EXIT_INDEX) {
             // 0 1 * <-- Exit position (row 0, col 2)
@@ -55,10 +54,9 @@
         transY = mTmpPoint[1];
 
         if (params == null) {
-            params = new PreviewItemDrawingParams(transX, transY, totalScale, overlayAlpha);
+            params = new PreviewItemDrawingParams(transX, transY, totalScale);
         } else {
             params.update(transX, transY, totalScale);
-            params.overlayAlpha = overlayAlpha;
         }
         return params;
     }
diff --git a/src/com/android/launcher3/folder/FolderAnimationManager.java b/src/com/android/launcher3/folder/FolderAnimationManager.java
index 57b289e..4fe85be 100644
--- a/src/com/android/launcher3/folder/FolderAnimationManager.java
+++ b/src/com/android/launcher3/folder/FolderAnimationManager.java
@@ -79,7 +79,7 @@
     private final TimeInterpolator mLargeFolderPreviewItemOpenInterpolator;
     private final TimeInterpolator mLargeFolderPreviewItemCloseInterpolator;
 
-    private final PreviewItemDrawingParams mTmpParams = new PreviewItemDrawingParams(0, 0, 0, 0);
+    private final PreviewItemDrawingParams mTmpParams = new PreviewItemDrawingParams(0, 0, 0);
     private final FolderGridOrganizer mPreviewVerifier;
 
     private ObjectAnimator mBgColorAnimator;
diff --git a/src/com/android/launcher3/folder/FolderIcon.java b/src/com/android/launcher3/folder/FolderIcon.java
index ed2d0a9..5c11451 100644
--- a/src/com/android/launcher3/folder/FolderIcon.java
+++ b/src/com/android/launcher3/folder/FolderIcon.java
@@ -113,7 +113,7 @@
     FolderGridOrganizer mPreviewVerifier;
     ClippedFolderIconLayoutRule mPreviewLayoutRule;
     private PreviewItemManager mPreviewItemManager;
-    private PreviewItemDrawingParams mTmpParams = new PreviewItemDrawingParams(0, 0, 0, 0);
+    private PreviewItemDrawingParams mTmpParams = new PreviewItemDrawingParams(0, 0, 0);
     private List<WorkspaceItemInfo> mCurrentPreviewItems = new ArrayList<>();
 
     boolean mAnimating = false;
@@ -391,7 +391,7 @@
             to.offset(center[0] - animateView.getMeasuredWidth() / 2,
                     center[1] - animateView.getMeasuredHeight() / 2);
 
-            float finalAlpha = index < MAX_NUM_ITEMS_IN_PREVIEW ? 0.5f : 0f;
+            float finalAlpha = index < MAX_NUM_ITEMS_IN_PREVIEW ? 1f : 0f;
 
             float finalScale = scale * scaleRelativeToDragLayer;
 
@@ -402,15 +402,18 @@
                 finalScale *= containerScale;
             }
 
+            final int finalIndex = index;
             dragLayer.animateView(animateView, from, to, finalAlpha,
                     1, 1, finalScale, finalScale, DROP_IN_ANIMATION_DURATION,
                     Interpolators.DEACCEL_2, Interpolators.ACCEL_2,
-                    null, DragLayer.ANIMATION_END_DISAPPEAR, null);
+                    () -> {
+                        mPreviewItemManager.hidePreviewItem(finalIndex, false);
+                        mFolder.showItem(item);
+                    }, DragLayer.ANIMATION_END_DISAPPEAR, null);
 
             mFolder.hideItem(item);
 
             if (!itemAdded) mPreviewItemManager.hidePreviewItem(index, true);
-            final int finalIndex = index;
 
             FolderNameInfos nameInfos = new FolderNameInfos();
             if (FeatureFlags.FOLDER_NAME_SUGGEST.get()) {
@@ -430,8 +433,6 @@
     private void showFinalView(int finalIndex, final WorkspaceItemInfo item,
             FolderNameInfos nameInfos, InstanceId instanceId) {
         postDelayed(() -> {
-            mPreviewItemManager.hidePreviewItem(finalIndex, false);
-            mFolder.showItem(item);
             setLabelSuggestion(nameInfos, instanceId);
             invalidate();
         }, DROP_IN_ANIMATION_DURATION);
diff --git a/src/com/android/launcher3/folder/FolderPreviewItemAnim.java b/src/com/android/launcher3/folder/FolderPreviewItemAnim.java
index edfd2ba..e20bafb 100644
--- a/src/com/android/launcher3/folder/FolderPreviewItemAnim.java
+++ b/src/com/android/launcher3/folder/FolderPreviewItemAnim.java
@@ -45,7 +45,7 @@
             };
 
     private static final PreviewItemDrawingParams sTmpParams =
-            new PreviewItemDrawingParams(0, 0, 0, 0);
+            new PreviewItemDrawingParams(0, 0, 0);
     private static final float[] sTempParamsArray = new float[3];
 
     private final ObjectAnimator mAnimator;
diff --git a/src/com/android/launcher3/folder/PreviewItemDrawingParams.java b/src/com/android/launcher3/folder/PreviewItemDrawingParams.java
index 5746be8..58efdc1 100644
--- a/src/com/android/launcher3/folder/PreviewItemDrawingParams.java
+++ b/src/com/android/launcher3/folder/PreviewItemDrawingParams.java
@@ -27,17 +27,15 @@
     float transX;
     float transY;
     float scale;
-    float overlayAlpha;
     public FolderPreviewItemAnim anim;
     public boolean hidden;
     public Drawable drawable;
     public WorkspaceItemInfo item;
 
-    PreviewItemDrawingParams(float transX, float transY, float scale, float overlayAlpha) {
+    PreviewItemDrawingParams(float transX, float transY, float scale) {
         this.transX = transX;
         this.transY = transY;
         this.scale = scale;
-        this.overlayAlpha = overlayAlpha;
     }
 
     public void update(float transX, float transY, float scale) {
diff --git a/src/com/android/launcher3/folder/PreviewItemManager.java b/src/com/android/launcher3/folder/PreviewItemManager.java
index baafbc9..a6674fc 100644
--- a/src/com/android/launcher3/folder/PreviewItemManager.java
+++ b/src/com/android/launcher3/folder/PreviewItemManager.java
@@ -260,7 +260,7 @@
             params.remove(params.size() - 1);
         }
         while (items.size() > params.size()) {
-            params.add(new PreviewItemDrawingParams(0, 0, 0, 0));
+            params.add(new PreviewItemDrawingParams(0, 0, 0));
         }
 
         int numItemsInFirstPagePreview = page == 0 ? items.size() : MAX_NUM_ITEMS_IN_PREVIEW;
diff --git a/src/com/android/launcher3/logging/StatsLogManager.java b/src/com/android/launcher3/logging/StatsLogManager.java
index 345a2ac..ddff338 100644
--- a/src/com/android/launcher3/logging/StatsLogManager.java
+++ b/src/com/android/launcher3/logging/StatsLogManager.java
@@ -479,7 +479,13 @@
         LAUNCHER_THEMED_ICON_ENABLED(836),
 
         @UiEvent(doc = "User disabled themed icons option in wallpaper & style settings.")
-        LAUNCHER_THEMED_ICON_DISABLED(837)
+        LAUNCHER_THEMED_ICON_DISABLED(837),
+
+        @UiEvent(doc = "User tapped on 'Turn on work apps' button in all apps window.")
+        LAUNCHER_TURN_ON_WORK_APPS_TAP(838),
+
+        @UiEvent(doc = "User tapped on 'Turn off work apps' button in all apps window.")
+        LAUNCHER_TURN_OFF_WORK_APPS_TAP(839)
         ;
 
         // ADD MORE
diff --git a/src/com/android/launcher3/model/PackageUpdatedTask.java b/src/com/android/launcher3/model/PackageUpdatedTask.java
index 7bfa3ef..3c0a54a 100644
--- a/src/com/android/launcher3/model/PackageUpdatedTask.java
+++ b/src/com/android/launcher3/model/PackageUpdatedTask.java
@@ -212,7 +212,8 @@
                         }
 
                         if (si.isPromise() && isNewApkAvailable) {
-                            boolean isTargetValid = true;
+                            boolean isTargetValid = !cn.getClassName().equals(
+                                    IconCache.EMPTY_CLASS_NAME);
                             if (si.itemType == Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
                                 List<ShortcutInfo> shortcut =
                                         new ShortcutRequest(context, mUser)
@@ -225,7 +226,7 @@
                                     si.updateFromDeepShortcutInfo(shortcut.get(0), context);
                                     infoUpdated = true;
                                 }
-                            } else if (!cn.getClassName().equals(IconCache.EMPTY_CLASS_NAME)) {
+                            } else if (isTargetValid) {
                                 isTargetValid = context.getSystemService(LauncherApps.class)
                                         .isActivityEnabled(cn, mUser);
                             }
diff --git a/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java b/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
index a086635..90f37f3 100644
--- a/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
+++ b/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
@@ -335,12 +335,10 @@
         mCurrentAnimation.dispatchOnStart();
         if (targetState == LauncherState.ALL_APPS && !UNSTABLE_SPRINGS.get()) {
             if (mAllAppsOvershootStarted) {
-
                 mLauncher.getAppsView().onRelease();
                 mAllAppsOvershootStarted = false;
-
             } else {
-                mLauncher.getAppsView().addSpringFromFlingUpdateListener(anim, velocity);
+                mLauncher.getAppsView().addSpringFromFlingUpdateListener(anim, velocity, progress);
             }
         }
         anim.start();
diff --git a/src/com/android/launcher3/util/UiThreadHelper.java b/src/com/android/launcher3/util/UiThreadHelper.java
index cb721e6..0f40179 100644
--- a/src/com/android/launcher3/util/UiThreadHelper.java
+++ b/src/com/android/launcher3/util/UiThreadHelper.java
@@ -21,6 +21,7 @@
 import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.content.Context;
+import android.os.Bundle;
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.Message;
@@ -42,15 +43,30 @@
     private static final int MSG_HIDE_KEYBOARD = 1;
     private static final int MSG_SET_ORIENTATION = 2;
     private static final int MSG_RUN_COMMAND = 3;
+    private static final String STATS_LOGGER_KEY = "STATS_LOGGER_KEY";
 
     @SuppressLint("NewApi")
     public static void hideKeyboardAsync(ActivityContext activityContext, IBinder token) {
         View root = activityContext.getDragLayer();
 
-        Message.obtain(HANDLER.get(root.getContext()),
-                MSG_HIDE_KEYBOARD, token).sendToTarget();
-        Launcher.cast(activityContext).getStatsLogManager().logger().log(
-                LAUNCHER_ALLAPPS_KEYBOARD_CLOSED);
+        // Since the launcher context cannot be accessed directly from callback, adding secondary
+        // message to log keyboard close event asynchronously.
+        Bundle mHideKeyboardLoggerMsg = new Bundle();
+        mHideKeyboardLoggerMsg.putParcelable(
+                STATS_LOGGER_KEY,
+                Message.obtain(
+                        HANDLER.get(root.getContext()),
+                        () -> Launcher.cast(activityContext)
+                                .getStatsLogManager()
+                                .logger()
+                                .log(LAUNCHER_ALLAPPS_KEYBOARD_CLOSED)
+                )
+        );
+
+        Message mHideKeyboardMsg = Message.obtain(HANDLER.get(root.getContext()), MSG_HIDE_KEYBOARD,
+                token);
+        mHideKeyboardMsg.setData(mHideKeyboardLoggerMsg);
+        mHideKeyboardMsg.sendToTarget();
     }
 
     public static void setOrientationAsync(Activity activity, int orientation) {
@@ -81,7 +97,11 @@
         public boolean handleMessage(Message message) {
             switch (message.what) {
                 case MSG_HIDE_KEYBOARD:
-                    mIMM.hideSoftInputFromWindow((IBinder) message.obj, 0);
+                    if (mIMM.hideSoftInputFromWindow((IBinder) message.obj, 0)) {
+                        // log keyboard close event only when keyboard is actually closed
+                        ((Message) message.getData().getParcelable(STATS_LOGGER_KEY))
+                                .sendToTarget();
+                    }
                     return true;
                 case MSG_SET_ORIENTATION:
                     ((Activity) message.obj).setRequestedOrientation(message.arg1);
diff --git a/src/com/android/launcher3/widget/PendingAppWidgetHostView.java b/src/com/android/launcher3/widget/PendingAppWidgetHostView.java
index 3308eec..47a8914 100644
--- a/src/com/android/launcher3/widget/PendingAppWidgetHostView.java
+++ b/src/com/android/launcher3/widget/PendingAppWidgetHostView.java
@@ -97,9 +97,9 @@
 
     @Override
     public void updateAppWidget(RemoteViews remoteViews) {
-        super.updateAppWidget(remoteViews);
         WidgetManagerHelper widgetManagerHelper = new WidgetManagerHelper(getContext());
         if (widgetManagerHelper.isAppWidgetRestored(mInfo.appWidgetId)) {
+            super.updateAppWidget(remoteViews);
             reInflate();
         }
     }
@@ -149,7 +149,7 @@
             // The view displays three modes,
             //   1) App icon in the center
             //   2) Preload icon in the center
-            //   3) Setup icon in the center and app icon in the top right corner.
+            //   3) App icon in the center with a setup icon on the top left corner.
             if (mDisabledForSafeMode) {
                 FastBitmapDrawable disabledIcon = info.newIcon(getContext());
                 disabledIcon.setIsDisabled(true);