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/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index 0ebaea2..4d47ef1 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -1381,11 +1381,17 @@
 
     /**
      * Cancels any running animation so that the active target can be overriden by a new swipe
-     * handle (in case of quick switch).
+     * handler (in case of quick switch).
      */
     private void cancelCurrentAnimation() {
         mCanceled = true;
         mCurrentShift.cancelAnimation();
+
+        // Cleanup when switching handlers
+        mInputConsumerProxy.unregisterCallback();
+        mActivityInitListener.unregister();
+        ActivityManagerWrapper.getInstance().unregisterTaskStackListener(mActivityRestartListener);
+        mTaskSnapshot = null;
     }
 
     private void invalidateHandler() {
diff --git a/quickstep/tests/src/com/android/quickstep/ViewInflationDuringSwipeUp.java b/quickstep/tests/src/com/android/quickstep/ViewInflationDuringSwipeUp.java
index ea7b7f5..f33abb0 100644
--- a/quickstep/tests/src/com/android/quickstep/ViewInflationDuringSwipeUp.java
+++ b/quickstep/tests/src/com/android/quickstep/ViewInflationDuringSwipeUp.java
@@ -114,6 +114,7 @@
 
     @Test
     @NavigationModeSwitch(mode = ZERO_BUTTON)
+    @Suppress // until b/190618549 is fixed
     public void testSwipeUpFromApp() throws Exception {
         try {
             // Go to overview once so that all views are initialized and cached
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 481b3b1..9048d87 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -48,7 +48,7 @@
     <dimen name="workspace_page_indicator_overlap_workspace">0dp</dimen>
 
 <!-- Drop target bar -->
-    <dimen name="dynamic_grid_drop_target_size">48dp</dimen>
+    <dimen name="dynamic_grid_drop_target_size">52dp</dimen>
     <dimen name="drop_target_vertical_gap">20dp</dimen>
 
 <!-- App Widget resize frame -->
@@ -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 6f7d727..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>
@@ -264,9 +266,8 @@
 
     <!-- Drop targets -->
     <style name="DropTargetButtonBase" parent="@android:style/TextAppearance.DeviceDefault">
-        <item name="android:drawablePadding">7.5dp</item>
-        <item name="android:paddingLeft">16dp</item>
-        <item name="android:paddingRight">16dp</item>
+        <item name="android:drawablePadding">8dp</item>
+        <item name="android:padding">16dp</item>
         <item name="android:textColor">?android:attr/textColorPrimary</item>
         <item name="android:textSize">@dimen/drop_target_text_size</item>
         <item name="android:singleLine">true</item>
@@ -276,7 +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/ButtonDropTarget.java b/src/com/android/launcher3/ButtonDropTarget.java
index 13bf437..d1cb5b8 100644
--- a/src/com/android/launcher3/ButtonDropTarget.java
+++ b/src/com/android/launcher3/ButtonDropTarget.java
@@ -121,19 +121,11 @@
     }
 
     protected void setDrawable(int resId) {
-        mDrawable = getContext().getDrawable(resId).mutate();
-        mDrawable.setBounds(0, 0, mDrawableSize, mDrawableSize);
-        setDrawable(mDrawable);
-    }
-
-    private void setDrawable(Drawable drawable) {
         // We do not set the drawable in the xml as that inflates two drawables corresponding to
         // drawableLeft and drawableStart.
-        if (mTextVisible) {
-            setCompoundDrawablesRelative(drawable, null, null, null);
-        } else {
-            setCompoundDrawablesRelative(null, drawable, null, null);
-        }
+        mDrawable = getContext().getDrawable(resId).mutate();
+        mDrawable.setBounds(0, 0, mDrawableSize, mDrawableSize);
+        setCompoundDrawablesRelative(mDrawable, null, null, null);
     }
 
     public void setDropTargetBar(DropTargetBar dropTargetBar) {
@@ -334,7 +326,7 @@
         if (mTextVisible != isVisible || !TextUtils.equals(newText, getText())) {
             mTextVisible = isVisible;
             setText(newText);
-            setDrawable(mDrawable);
+            setCompoundDrawablesRelative(mDrawable, null, null, null);
         }
     }
 
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 90bb5c8..8076b27 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);
 
@@ -648,20 +647,18 @@
     /**
      * 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 31f0c4f..6d57aa6 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;
@@ -34,6 +35,7 @@
 import androidx.annotation.RequiresApi;
 
 import com.android.launcher3.Insettable;
+import com.android.launcher3.Launcher;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.KeyboardInsetAnimationCallback;
 import com.android.launcher3.pm.UserCache;
@@ -104,6 +106,8 @@
     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 00ce80f..d65eb22 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -223,6 +223,10 @@
             "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..82b0f7c 100644
--- a/src/com/android/launcher3/model/PackageUpdatedTask.java
+++ b/src/com/android/launcher3/model/PackageUpdatedTask.java
@@ -29,6 +29,7 @@
 import android.os.UserManager;
 import android.util.Log;
 
+import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.LauncherSettings.Favorites;
@@ -123,6 +124,14 @@
                         activitiesLists.put(
                                 packages[i], appsList.updatePackage(context, packages[i], mUser));
                         app.getWidgetCache().removePackage(packages[i], mUser);
+
+                        // The update may have changed which shortcuts/widgets are available.
+                        // Refresh the widgets for the package if we have an activity running.
+                        Launcher launcher = Launcher.ACTIVITY_TRACKER.getCreatedActivity();
+                        if (launcher != null) {
+                            launcher.refreshAndBindWidgetsForPackageUser(
+                                    new PackageUserKey(packages[i], mUser));
+                        }
                     }
                 }
                 // Since package was just updated, the target must be available now.
@@ -212,7 +221,8 @@
                         }
 
                         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 +235,7 @@
                                     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);
diff --git a/src/com/android/launcher3/widget/util/WidgetSizes.java b/src/com/android/launcher3/widget/util/WidgetSizes.java
index 5c8ea72..fcc0dde 100644
--- a/src/com/android/launcher3/widget/util/WidgetSizes.java
+++ b/src/com/android/launcher3/widget/util/WidgetSizes.java
@@ -99,11 +99,13 @@
      */
     public static Bundle getWidgetSizeOptions(Context context, ComponentName provider, int spanX,
             int spanY) {
+        boolean shouldInsetWidgets =
+                LauncherAppState.getIDP(context).getDeviceProfile(context).shouldInsetWidgets();
         ArrayList<SizeF> sizes = getWidgetSizes(context, spanX, spanY);
         Rect padding = getDefaultPaddingForWidget(context, provider, null);
         float density = context.getResources().getDisplayMetrics().density;
-        float xPaddingDips = (padding.left + padding.right) / density;
-        float yPaddingDips = (padding.top + padding.bottom) / density;
+        float xPaddingDips = shouldInsetWidgets ? (padding.left + padding.right) / density : 0;
+        float yPaddingDips = shouldInsetWidgets ? (padding.top + padding.bottom) / density : 0;
 
         ArrayList<SizeF> paddedSizes = sizes.stream()
                 .map(size -> new SizeF(
diff --git a/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java b/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java
index 51c5b12..a66b031 100644
--- a/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java
+++ b/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java
@@ -15,6 +15,7 @@
 import android.util.Log;
 
 import androidx.annotation.Nullable;
+import androidx.collection.ArrayMap;
 
 import com.android.launcher3.AppFilter;
 import com.android.launcher3.InvariantDeviceProfile;
@@ -37,6 +38,7 @@
 
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Collection;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -158,34 +160,29 @@
             Log.d(TAG, "addWidgetsAndShortcuts, widgetsShortcuts#=" + rawWidgetsShortcuts.size());
         }
 
-        // Temporary list for {@link PackageItemInfos} to avoid having to go through
+        // Temporary cache for {@link PackageItemInfos} to avoid having to go through
         // {@link mPackageItemInfos} to locate the key to be used for {@link #mWidgetsList}
-        HashMap<WidgetPackageOrCategoryKey, PackageItemInfo> tmpPackageItemInfos = new HashMap<>();
+        PackageItemInfoCache packageItemInfoCache = new PackageItemInfoCache();
 
-        // Clear the lists only if this is an update on all widgets and shortcuts. If packageUser
-        // isn't null, only updates the shortcuts and widgets for the app represented in
-        // packageUser.
         if (packageUser == null) {
+            // Clear the list if this is an update on all widgets and shortcuts.
             mWidgetsList.clear();
+        } else {
+            // Otherwise, only clear the widgets and shortcuts for the changed package.
+            mWidgetsList.remove(
+                    packageItemInfoCache.getOrCreate(new WidgetPackageOrCategoryKey(packageUser)));
         }
+
         // add and update.
         mWidgetsList.putAll(rawWidgetsShortcuts.stream()
                 .filter(new WidgetValidityCheck(app))
-                .collect(Collectors.groupingBy(item -> {
-                    WidgetPackageOrCategoryKey packageUserKey = getWidgetPackageOrCategoryKey(item);
-                    PackageItemInfo pInfo = tmpPackageItemInfos.get(packageUserKey);
-                    if (pInfo == null) {
-                        pInfo = new PackageItemInfo(item.componentName.getPackageName(),
-                                packageUserKey.mCategory);
-                        pInfo.user = item.user;
-                        tmpPackageItemInfos.put(packageUserKey,  pInfo);
-                    }
-                    return pInfo;
-                })));
+                .collect(Collectors.groupingBy(item ->
+                        packageItemInfoCache.getOrCreate(getWidgetPackageOrCategoryKey(item))
+                )));
 
         // Update each package entry
         IconCache iconCache = app.getIconCache();
-        for (PackageItemInfo p : tmpPackageItemInfos.values()) {
+        for (PackageItemInfo p : packageItemInfoCache.values()) {
             iconCache.getTitleAndIconForApp(p, true /* userLowResIcon */);
         }
     }
@@ -289,6 +286,10 @@
         public final UserHandle mUser;
         private final int mHashCode;
 
+        WidgetPackageOrCategoryKey(PackageUserKey key) {
+            this(key.mPackageName, key.mUser);
+        }
+
         WidgetPackageOrCategoryKey(String packageName, UserHandle user) {
             this(packageName,  PackageItemInfo.NO_CATEGORY, user);
         }
@@ -310,4 +311,22 @@
             return mHashCode;
         }
     }
+
+    private static final class PackageItemInfoCache {
+        private final Map<WidgetPackageOrCategoryKey, PackageItemInfo> mMap = new ArrayMap<>();
+
+        PackageItemInfo getOrCreate(WidgetPackageOrCategoryKey key) {
+            PackageItemInfo pInfo = mMap.get(key);
+            if (pInfo == null) {
+                pInfo = new PackageItemInfo(key.mPackage, key.mCategory);
+                pInfo.user = key.mUser;
+                mMap.put(key,  pInfo);
+            }
+            return pInfo;
+        }
+
+        Collection<PackageItemInfo> values() {
+            return mMap.values();
+        }
+    }
 }
\ No newline at end of file