diff --git a/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java b/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
index b363803..13943a7 100644
--- a/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
@@ -420,7 +420,7 @@
                     return recentsCoords;
                 }, new Handler());
         recentsButton.setOnClickListener(v -> {
-            navButtonController.onButtonClick(BUTTON_RECENTS);
+            navButtonController.onButtonClick(BUTTON_RECENTS, v);
             mHitboxExtender.onRecentsButtonClicked();
         });
         mPropertyHolders.add(new StatePropertyHolder(recentsButton,
@@ -634,9 +634,9 @@
         buttonView.setImageResource(drawableId);
         buttonView.setContentDescription(parent.getContext().getString(
                 navButtonController.getButtonContentDescription(buttonType)));
-        buttonView.setOnClickListener(view -> navButtonController.onButtonClick(buttonType));
+        buttonView.setOnClickListener(view -> navButtonController.onButtonClick(buttonType, view));
         buttonView.setOnLongClickListener(view ->
-                navButtonController.onButtonLongClick(buttonType));
+                navButtonController.onButtonLongClick(buttonType, view));
         return buttonView;
     }
 
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
index d1994e7..d86fa16 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
@@ -263,7 +263,8 @@
                 mLastRequestedNonFullscreenHeight,
                 type,
                 WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
-                        | WindowManager.LayoutParams.FLAG_SLIPPERY,
+                        | WindowManager.LayoutParams.FLAG_SLIPPERY
+                        | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH,
                 PixelFormat.TRANSLUCENT);
         windowLayoutParams.setTitle(WINDOW_TITLE);
         windowLayoutParams.packageName = getPackageName();
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarNavButtonController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarNavButtonController.java
index 4ff0649..3392b6b 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarNavButtonController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarNavButtonController.java
@@ -33,6 +33,8 @@
 import android.os.Bundle;
 import android.os.Handler;
 import android.util.Log;
+import android.view.HapticFeedbackConstants;
+import android.view.View;
 
 import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
@@ -113,7 +115,9 @@
         mHandler = handler;
     }
 
-    public void onButtonClick(@TaskbarButton int buttonType) {
+    public void onButtonClick(@TaskbarButton int buttonType, View view) {
+        // Provide the same haptic feedback that the system offers for virtual keys.
+        view.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY);
         switch (buttonType) {
             case BUTTON_BACK:
                 logEvent(LAUNCHER_TASKBAR_BACK_BUTTON_TAP);
@@ -144,7 +148,9 @@
         }
     }
 
-    public boolean onButtonLongClick(@TaskbarButton int buttonType) {
+    public boolean onButtonLongClick(@TaskbarButton int buttonType, View view) {
+        // Provide the same haptic feedback that the system offers for virtual keys.
+        view.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY);
         switch (buttonType) {
             case BUTTON_HOME:
                 logEvent(LAUNCHER_TASKBAR_HOME_BUTTON_LONGPRESS);
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
index fc9f9d0..2b8fdd1 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
@@ -22,6 +22,7 @@
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TASKBAR_LONGPRESS_SHOW;
 import static com.android.launcher3.taskbar.Utilities.appendFlag;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_IME_SHOWING;
+import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_IME_SWITCHER_SHOWING;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_SCREEN_PINNING;
 
 import android.animation.Animator;
@@ -30,13 +31,15 @@
 import android.annotation.Nullable;
 import android.content.SharedPreferences;
 import android.util.Log;
+import android.view.View;
 import android.view.ViewConfiguration;
-import android.view.WindowInsets;
 
+import androidx.annotation.NonNull;
+
+import com.android.internal.jank.InteractionJankMonitor;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.AnimatorListeners;
-import com.android.launcher3.taskbar.allapps.TaskbarAllAppsSlideInView;
 import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.util.MultiValueAlpha.AlphaProperty;
 import com.android.quickstep.AnimatedFloat;
@@ -44,6 +47,8 @@
 import com.android.systemui.shared.system.WindowManagerWrapper;
 
 import java.io.PrintWriter;
+import java.util.Arrays;
+import java.util.Optional;
 import java.util.StringJoiner;
 import java.util.function.IntPredicate;
 
@@ -53,6 +58,8 @@
  */
 public class TaskbarStashController implements TaskbarControllers.LoggableTaskbarController {
 
+    private static final String TAG = "TaskbarStashController";
+
     public static final int FLAG_IN_APP = 1 << 0;
     public static final int FLAG_STASHED_IN_APP_MANUAL = 1 << 1; // long press, persisted
     public static final int FLAG_STASHED_IN_APP_PINNED = 1 << 2; // app pinning
@@ -149,6 +156,7 @@
     private @Nullable AnimatorSet mAnimator;
     private boolean mIsSystemGestureInProgress;
     private boolean mIsImeShowing;
+    private boolean mIsImeSwitcherShowing;
 
     private boolean mEnableManualStashingForTests = false;
 
@@ -401,6 +409,7 @@
             mAnimator.cancel();
         }
         mAnimator = new AnimatorSet();
+        addJankMonitorListener(mAnimator, /* appearing= */ !mIsStashed);
 
         if (!supportsVisualStashing()) {
             // Just hide/show the icons and background instead of stashing into a handle.
@@ -496,6 +505,28 @@
         });
     }
 
+    private void addJankMonitorListener(AnimatorSet animator, boolean expanding) {
+        Optional<View> optionalView =
+                Arrays.stream(mControllers.taskbarViewController.getIconViews()).findFirst();
+        if (optionalView.isEmpty()) {
+            Log.wtf(TAG, "No views to start Interaction jank monitor with.", new Exception());
+            return;
+        }
+        View v = optionalView.get();
+        int action = expanding ? InteractionJankMonitor.CUJ_TASKBAR_EXPAND :
+                InteractionJankMonitor.CUJ_TASKBAR_COLLAPSE;
+        animator.addListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationStart(@NonNull Animator animation) {
+                InteractionJankMonitor.getInstance().begin(v, action);
+            }
+
+            @Override
+            public void onAnimationEnd(@NonNull Animator animation) {
+                InteractionJankMonitor.getInstance().end(action);
+            }
+        });
+    }
     /**
      * Creates and starts a partial stash animation, hinting at the new state that will trigger when
      * long press is detected.
@@ -571,9 +602,11 @@
         }
 
         // Only update the following flags when system gesture is not in progress.
-        maybeResetStashedInAppAllApps(hasAnyFlag(FLAG_STASHED_IN_APP_IME) == mIsImeShowing);
-        if (hasAnyFlag(FLAG_STASHED_IN_APP_IME) != mIsImeShowing) {
-            updateStateForFlag(FLAG_STASHED_IN_APP_IME, mIsImeShowing);
+        boolean shouldStashForIme = shouldStashForIme();
+        maybeResetStashedInAppAllApps(
+                hasAnyFlag(FLAG_STASHED_IN_APP_IME) == shouldStashForIme);
+        if (hasAnyFlag(FLAG_STASHED_IN_APP_IME) != shouldStashForIme) {
+            updateStateForFlag(FLAG_STASHED_IN_APP_IME, shouldStashForIme);
             applyState(TASKBAR_STASH_DURATION_FOR_IME, getTaskbarStashStartDelayForIme());
         }
     }
@@ -625,8 +658,9 @@
 
         // Only update FLAG_STASHED_IN_APP_IME when system gesture is not in progress.
         mIsImeShowing = hasAnyFlag(systemUiStateFlags, SYSUI_STATE_IME_SHOWING);
+        mIsImeSwitcherShowing = hasAnyFlag(systemUiStateFlags, SYSUI_STATE_IME_SWITCHER_SHOWING);
         if (!mIsSystemGestureInProgress) {
-            updateStateForFlag(FLAG_STASHED_IN_APP_IME, mIsImeShowing);
+            updateStateForFlag(FLAG_STASHED_IN_APP_IME, shouldStashForIme());
             animDuration = TASKBAR_STASH_DURATION_FOR_IME;
             startDelay = getTaskbarStashStartDelayForIme();
         }
@@ -634,6 +668,10 @@
         applyState(skipAnim ? 0 : animDuration, skipAnim ? 0 : startDelay);
     }
 
+    private boolean shouldStashForIme() {
+        return mIsImeShowing || mIsImeSwitcherShowing;
+    }
+
     /**
      * Updates the proper flag to indicate whether the task bar should be stashed.
      *
@@ -699,6 +737,7 @@
         pw.println(String.format(
                 "%s\tmIsSystemGestureInProgress=%b", prefix, mIsSystemGestureInProgress));
         pw.println(String.format("%s\tmIsImeShowing=%b", prefix, mIsImeShowing));
+        pw.println(String.format("%s\tmIsImeSwitcherShowing=%b", prefix, mIsImeSwitcherShowing));
     }
 
     private static String getStateString(int flags) {
diff --git a/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsController.java b/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsController.java
index 61b038e..6c43e50 100644
--- a/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsController.java
@@ -207,7 +207,7 @@
     private LayoutParams createLayoutParams() {
         LayoutParams layoutParams = new LayoutParams(
                 TYPE_APPLICATION_OVERLAY,
-                0,
+                WindowManager.LayoutParams.FLAG_SPLIT_TOUCH,
                 PixelFormat.TRANSLUCENT);
         layoutParams.setTitle(WINDOW_TITLE);
         layoutParams.gravity = Gravity.BOTTOM;
diff --git a/quickstep/src/com/android/quickstep/util/MotionPauseDetector.java b/quickstep/src/com/android/quickstep/util/MotionPauseDetector.java
index b83e26e..a3f7ae0 100644
--- a/quickstep/src/com/android/quickstep/util/MotionPauseDetector.java
+++ b/quickstep/src/com/android/quickstep/util/MotionPauseDetector.java
@@ -17,6 +17,7 @@
 
 import android.content.Context;
 import android.content.res.Resources;
+import android.util.Log;
 import android.view.MotionEvent;
 import android.view.VelocityTracker;
 
@@ -31,6 +32,8 @@
  */
 public class MotionPauseDetector {
 
+    private static final String TAG = "MotionPauseDetector";
+
     // The percentage of the previous speed that determines whether this is a rapid deceleration.
     // The bigger this number, the easier it is to trigger the first pause.
     private static final float RAPID_DECELERATION_FACTOR = 0.6f;
@@ -85,7 +88,8 @@
         mSpeedSomewhatFast = res.getDimension(R.dimen.motion_pause_detector_speed_somewhat_fast);
         mSpeedFast = res.getDimension(R.dimen.motion_pause_detector_speed_fast);
         mForcePauseTimeout = new Alarm();
-        mForcePauseTimeout.setOnAlarmListener(alarm -> updatePaused(true /* isPaused */));
+        mForcePauseTimeout.setOnAlarmListener(alarm -> updatePaused(true /* isPaused */,
+                "Force pause timeout after " +  alarm.getLastSetTimeout() + "ms" /* reason */));
         mMakePauseHarderToTrigger = makePauseHarderToTrigger;
         mVelocityProvider = new SystemVelocityProvider(axis);
     }
@@ -102,7 +106,7 @@
      */
     public void setDisallowPause(boolean disallowPause) {
         mDisallowPause = disallowPause;
-        updatePaused(mIsPaused);
+        updatePaused(mIsPaused, "Set disallowPause=" + disallowPause);
     }
 
     /**
@@ -134,21 +138,27 @@
         float speed = Math.abs(velocity);
         float previousSpeed = Math.abs(prevVelocity);
         boolean isPaused;
+        String isPausedReason = "";
         if (mIsPaused) {
             // Continue to be paused until moving at a fast speed.
             isPaused = speed < mSpeedFast || previousSpeed < mSpeedFast;
+            isPausedReason = "Was paused, but started moving at a fast speed";
         } else {
             if (velocity < 0 != prevVelocity < 0) {
                 // We're just changing directions, not necessarily stopping.
                 isPaused = false;
+                isPausedReason = "Velocity changed directions";
             } else {
                 isPaused = speed < mSpeedVerySlow && previousSpeed < mSpeedVerySlow;
+                isPausedReason = "Pause requires back to back slow speeds";
                 if (!isPaused && !mHasEverBeenPaused) {
                     // We want to be more aggressive about detecting the first pause to ensure it
                     // feels as responsive as possible; getting two very slow speeds back to back
                     // takes too long, so also check for a rapid deceleration.
                     boolean isRapidDeceleration = speed < previousSpeed * RAPID_DECELERATION_FACTOR;
                     isPaused = isRapidDeceleration && speed < mSpeedSomewhatFast;
+                    isPausedReason = "Didn't have back to back slow speeds, checking for rapid"
+                            + " deceleration on first pause only";
                 }
                 if (mMakePauseHarderToTrigger) {
                     if (speed < mSpeedSlow) {
@@ -156,22 +166,27 @@
                             mSlowStartTime = time;
                         }
                         isPaused = time - mSlowStartTime >= HARDER_TRIGGER_TIMEOUT;
+                        isPausedReason = "Maintained slow speed for sufficient duration when making"
+                                + " pause harder to trigger";
                     } else {
                         mSlowStartTime = 0;
                         isPaused = false;
+                        isPausedReason = "Intentionally making pause harder to trigger";
                     }
                 }
             }
         }
-        updatePaused(isPaused);
+        updatePaused(isPaused, isPausedReason);
     }
 
-    private void updatePaused(boolean isPaused) {
+    private void updatePaused(boolean isPaused, String reason) {
         if (mDisallowPause) {
+            reason = "Disallow pause; otherwise, would have been " + isPaused + " due to " + reason;
             isPaused = false;
         }
         if (mIsPaused != isPaused) {
             mIsPaused = isPaused;
+            Log.d(TAG, "onMotionPauseChanged, paused=" + mIsPaused + " reason=" + reason);
             boolean isFirstDetectedPause = !mHasEverBeenPaused && mIsPaused;
             if (mIsPaused) {
                 AccessibilityManagerCompat.sendPauseDetectedEventToTest(mContext);
diff --git a/quickstep/tests/src/com/android/launcher3/taskbar/TaskbarNavButtonControllerTest.java b/quickstep/tests/src/com/android/launcher3/taskbar/TaskbarNavButtonControllerTest.java
index d8be307..4eec319 100644
--- a/quickstep/tests/src/com/android/launcher3/taskbar/TaskbarNavButtonControllerTest.java
+++ b/quickstep/tests/src/com/android/launcher3/taskbar/TaskbarNavButtonControllerTest.java
@@ -23,6 +23,7 @@
 import static org.mockito.Mockito.when;
 
 import android.os.Handler;
+import android.view.View;
 
 import androidx.test.runner.AndroidJUnit4;
 
@@ -58,6 +59,8 @@
     TaskbarControllers mockTaskbarControllers;
     @Mock
     TaskbarActivityContext mockTaskbarActivityContext;
+    @Mock
+    View mockView;
 
     private TaskbarNavButtonController mNavButtonController;
 
@@ -76,110 +79,110 @@
 
     @Test
     public void testPressBack() {
-        mNavButtonController.onButtonClick(BUTTON_BACK);
+        mNavButtonController.onButtonClick(BUTTON_BACK, mockView);
         verify(mockSystemUiProxy, times(1)).onBackPressed();
     }
 
     @Test
     public void testPressImeSwitcher() {
-        mNavButtonController.onButtonClick(BUTTON_IME_SWITCH);
+        mNavButtonController.onButtonClick(BUTTON_IME_SWITCH, mockView);
         verify(mockSystemUiProxy, times(1)).onImeSwitcherPressed();
     }
 
     @Test
     public void testPressA11yShortClick() {
-        mNavButtonController.onButtonClick(BUTTON_A11Y);
+        mNavButtonController.onButtonClick(BUTTON_A11Y, mockView);
         verify(mockSystemUiProxy, times(1))
                 .notifyAccessibilityButtonClicked(DISPLAY_ID);
     }
 
     @Test
     public void testPressA11yLongClick() {
-        mNavButtonController.onButtonLongClick(BUTTON_A11Y);
+        mNavButtonController.onButtonLongClick(BUTTON_A11Y, mockView);
         verify(mockSystemUiProxy, times(1)).notifyAccessibilityButtonLongClicked();
     }
 
     @Test
     public void testLongPressHome() {
-        mNavButtonController.onButtonLongClick(BUTTON_HOME);
+        mNavButtonController.onButtonLongClick(BUTTON_HOME, mockView);
         verify(mockSystemUiProxy, times(1)).startAssistant(any());
     }
 
     @Test
     public void testPressHome() {
-        mNavButtonController.onButtonClick(BUTTON_HOME);
+        mNavButtonController.onButtonClick(BUTTON_HOME, mockView);
         verify(mockCommandHelper, times(1)).addCommand(TYPE_HOME);
     }
 
     @Test
     public void testPressRecents() {
-        mNavButtonController.onButtonClick(BUTTON_RECENTS);
+        mNavButtonController.onButtonClick(BUTTON_RECENTS, mockView);
         verify(mockCommandHelper, times(1)).addCommand(TYPE_TOGGLE);
     }
 
     @Test
     public void testPressRecentsWithScreenPinned() {
         mNavButtonController.updateSysuiFlags(SYSUI_STATE_SCREEN_PINNING);
-        mNavButtonController.onButtonClick(BUTTON_RECENTS);
+        mNavButtonController.onButtonClick(BUTTON_RECENTS, mockView);
         verify(mockCommandHelper, times(0)).addCommand(TYPE_TOGGLE);
     }
 
     @Test
     public void testLongPressBackRecentsNotPinned() {
-        mNavButtonController.onButtonLongClick(BUTTON_RECENTS);
-        mNavButtonController.onButtonLongClick(BUTTON_BACK);
+        mNavButtonController.onButtonLongClick(BUTTON_RECENTS, mockView);
+        mNavButtonController.onButtonLongClick(BUTTON_BACK, mockView);
         verify(mockSystemUiProxy, times(0)).stopScreenPinning();
     }
 
     @Test
     public void testLongPressBackRecentsPinned() {
         mNavButtonController.updateSysuiFlags(SYSUI_STATE_SCREEN_PINNING);
-        mNavButtonController.onButtonLongClick(BUTTON_RECENTS);
-        mNavButtonController.onButtonLongClick(BUTTON_BACK);
+        mNavButtonController.onButtonLongClick(BUTTON_RECENTS, mockView);
+        mNavButtonController.onButtonLongClick(BUTTON_BACK, mockView);
         verify(mockSystemUiProxy, times(1)).stopScreenPinning();
     }
 
     @Test
     public void testLongPressBackRecentsTooLongPinned() {
         mNavButtonController.updateSysuiFlags(SYSUI_STATE_SCREEN_PINNING);
-        mNavButtonController.onButtonLongClick(BUTTON_RECENTS);
+        mNavButtonController.onButtonLongClick(BUTTON_RECENTS, mockView);
         try {
             Thread.sleep(SCREEN_PIN_LONG_PRESS_THRESHOLD + 5);
         } catch (InterruptedException e) {
             e.printStackTrace();
         }
-        mNavButtonController.onButtonLongClick(BUTTON_BACK);
+        mNavButtonController.onButtonLongClick(BUTTON_BACK, mockView);
         verify(mockSystemUiProxy, times(0)).stopScreenPinning();
     }
 
     @Test
     public void testLongPressBackRecentsMultipleAttemptPinned() {
         mNavButtonController.updateSysuiFlags(SYSUI_STATE_SCREEN_PINNING);
-        mNavButtonController.onButtonLongClick(BUTTON_RECENTS);
+        mNavButtonController.onButtonLongClick(BUTTON_RECENTS, mockView);
         try {
             Thread.sleep(SCREEN_PIN_LONG_PRESS_THRESHOLD + 5);
         } catch (InterruptedException e) {
             e.printStackTrace();
         }
-        mNavButtonController.onButtonLongClick(BUTTON_BACK);
+        mNavButtonController.onButtonLongClick(BUTTON_BACK, mockView);
         verify(mockSystemUiProxy, times(0)).stopScreenPinning();
 
         // Try again w/in threshold
-        mNavButtonController.onButtonLongClick(BUTTON_RECENTS);
-        mNavButtonController.onButtonLongClick(BUTTON_BACK);
+        mNavButtonController.onButtonLongClick(BUTTON_RECENTS, mockView);
+        mNavButtonController.onButtonLongClick(BUTTON_BACK, mockView);
         verify(mockSystemUiProxy, times(1)).stopScreenPinning();
     }
 
     @Test
     public void testLongPressHomeScreenPinned() {
         mNavButtonController.updateSysuiFlags(SYSUI_STATE_SCREEN_PINNING);
-        mNavButtonController.onButtonLongClick(BUTTON_HOME);
+        mNavButtonController.onButtonLongClick(BUTTON_HOME, mockView);
         verify(mockSystemUiProxy, times(0)).startAssistant(any());
     }
 
     @Test
     public void testNoCallsToNullLogger() {
-        mNavButtonController.onButtonClick(BUTTON_HOME);
+        mNavButtonController.onButtonClick(BUTTON_HOME, mockView);
         verify(mockStatsLogManager, times(0)).logger();
         verify(mockStatsLogger, times(0)).log(any());
     }
@@ -187,9 +190,9 @@
     @Test
     public void testNoCallsAfterNullingOut() {
         mNavButtonController.init(mockTaskbarControllers);
-        mNavButtonController.onButtonClick(BUTTON_HOME);
+        mNavButtonController.onButtonClick(BUTTON_HOME, mockView);
         mNavButtonController.onDestroy();
-        mNavButtonController.onButtonClick(BUTTON_HOME);
+        mNavButtonController.onButtonClick(BUTTON_HOME, mockView);
         verify(mockStatsLogger, times(1)).log(LAUNCHER_TASKBAR_HOME_BUTTON_TAP);
         verify(mockStatsLogger, times(0)).log(LAUNCHER_TASKBAR_HOME_BUTTON_LONGPRESS);
     }
@@ -197,7 +200,7 @@
     @Test
     public void testLogOnTap() {
         mNavButtonController.init(mockTaskbarControllers);
-        mNavButtonController.onButtonClick(BUTTON_HOME);
+        mNavButtonController.onButtonClick(BUTTON_HOME, mockView);
         verify(mockStatsLogger, times(1)).log(LAUNCHER_TASKBAR_HOME_BUTTON_TAP);
         verify(mockStatsLogger, times(0)).log(LAUNCHER_TASKBAR_HOME_BUTTON_LONGPRESS);
     }
@@ -205,7 +208,7 @@
     @Test
     public void testLogOnLongpress() {
         mNavButtonController.init(mockTaskbarControllers);
-        mNavButtonController.onButtonLongClick(BUTTON_HOME);
+        mNavButtonController.onButtonLongClick(BUTTON_HOME, mockView);
         verify(mockStatsLogger, times(1)).log(LAUNCHER_TASKBAR_HOME_BUTTON_LONGPRESS);
         verify(mockStatsLogger, times(0)).log(LAUNCHER_TASKBAR_HOME_BUTTON_TAP);
     }
@@ -213,11 +216,11 @@
     @Test
     public void testBackOverviewLogOnLongpress() {
         mNavButtonController.init(mockTaskbarControllers);
-        mNavButtonController.onButtonLongClick(BUTTON_RECENTS);
+        mNavButtonController.onButtonLongClick(BUTTON_RECENTS, mockView);
         verify(mockStatsLogger, times(1)).log(LAUNCHER_TASKBAR_OVERVIEW_BUTTON_LONGPRESS);
         verify(mockStatsLogger, times(0)).log(LAUNCHER_TASKBAR_OVERVIEW_BUTTON_TAP);
 
-        mNavButtonController.onButtonLongClick(BUTTON_BACK);
+        mNavButtonController.onButtonLongClick(BUTTON_BACK, mockView);
         verify(mockStatsLogger, times(1)).log(LAUNCHER_TASKBAR_BACK_BUTTON_LONGPRESS);
         verify(mockStatsLogger, times(0)).log(LAUNCHER_TASKBAR_BACK_BUTTON_TAP);
     }
diff --git a/src/com/android/launcher3/Alarm.java b/src/com/android/launcher3/Alarm.java
index d5b434c..e4aebf6 100644
--- a/src/com/android/launcher3/Alarm.java
+++ b/src/com/android/launcher3/Alarm.java
@@ -30,6 +30,7 @@
     private Handler mHandler;
     private OnAlarmListener mAlarmListener;
     private boolean mAlarmPending = false;
+    private long mLastSetTimeout;
 
     public Alarm() {
         mHandler = new Handler();
@@ -46,6 +47,7 @@
         mAlarmPending = true;
         long oldTriggerTime = mAlarmTriggerTime;
         mAlarmTriggerTime = currentTime + millisecondsInFuture;
+        mLastSetTimeout = millisecondsInFuture;
 
         // If the previous alarm was set for a longer duration, cancel it.
         if (mWaitingForCallback && oldTriggerTime > mAlarmTriggerTime) {
@@ -84,4 +86,9 @@
     public boolean alarmPending() {
         return mAlarmPending;
     }
+
+    /** Returns the last value passed to {@link #setAlarm(long)} */
+    public long getLastSetTimeout() {
+        return mLastSetTimeout;
+    }
 }
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index 38b5c65..da5c4c2 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -277,6 +277,10 @@
             "ENABLE_DISMISS_PREDICTION_UNDO", false,
             "Show an 'Undo' snackbar when users dismiss a predicted hotseat item");
 
+    public static final BooleanFlag ENABLE_CACHED_WIDGET = getDebugFlag(
+            "ENABLE_CACHED_WIDGET", true,
+            "Show previously cached widgets as opposed to deferred widget where available");
+
     public static void initialize(Context context) {
         synchronized (sDebugFlags) {
             for (DebugFlag flag : sDebugFlags) {
diff --git a/src/com/android/launcher3/widget/LauncherAppWidgetHost.java b/src/com/android/launcher3/widget/LauncherAppWidgetHost.java
index fe83f3f..98a960c 100644
--- a/src/com/android/launcher3/widget/LauncherAppWidgetHost.java
+++ b/src/com/android/launcher3/widget/LauncherAppWidgetHost.java
@@ -28,6 +28,7 @@
 import android.os.Bundle;
 import android.os.Handler;
 import android.util.SparseArray;
+import android.widget.RemoteViews;
 import android.widget.Toast;
 
 import androidx.annotation.Nullable;
@@ -37,6 +38,7 @@
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
+import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.model.WidgetsModel;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.testing.TestLogging;
@@ -70,13 +72,14 @@
     private final ArrayList<ProviderChangedListener> mProviderChangeListeners = new ArrayList<>();
     private final SparseArray<LauncherAppWidgetHostView> mViews = new SparseArray<>();
     private final SparseArray<PendingAppWidgetHostView> mPendingViews = new SparseArray<>();
+    private final SparseArray<LauncherAppWidgetHostView> mDeferredViews = new SparseArray<>();
+    private final SparseArray<RemoteViews> mCachedRemoteViews = new SparseArray<>();
 
     private final Context mContext;
     private int mFlags = FLAG_STATE_IS_NORMAL;
 
     private IntConsumer mAppWidgetRemovedCallback = null;
 
-
     public LauncherAppWidgetHost(Context context) {
         this(context, null);
     }
@@ -95,6 +98,11 @@
         if (mPendingViews.get(appWidgetId) != null) {
             view = mPendingViews.get(appWidgetId);
             mPendingViews.remove(appWidgetId);
+        } else if (mDeferredViews.get(appWidgetId) != null) {
+            // In case the widget view is deferred, we will simply return the deferred view as
+            // opposed to instantiate a new instance of LauncherAppWidgetHostView since launcher
+            // already added the former to the workspace.
+            view = mDeferredViews.get(appWidgetId);
         } else {
             view = new LauncherAppWidgetHostView(context);
         }
@@ -120,12 +128,25 @@
             // widgets upon bind anyway. See issue 14255011 for more context.
         }
 
-        // We go in reverse order and inflate any deferred widget
+        // We go in reverse order and inflate any deferred or cached widget
         for (int i = mViews.size() - 1; i >= 0; i--) {
             LauncherAppWidgetHostView view = mViews.valueAt(i);
             if (view instanceof DeferredAppWidgetHostView) {
                 view.reInflate();
             }
+            if (FeatureFlags.ENABLE_CACHED_WIDGET.get()) {
+                final int appWidgetId = mViews.keyAt(i);
+                if (view == mDeferredViews.get(appWidgetId)) {
+                    // If the widget view was deferred, we'll need to call super.createView here
+                    // to make the binder call to system process to fetch cumulative updates to this
+                    // widget, as well as setting up this view for future updates.
+                    super.createView(view.mLauncher, appWidgetId, view.getAppWidgetInfo());
+                    // At this point #onCreateView should have been called, which in turn returned
+                    // the deferred view. There's no reason to keep the reference anymore, so we
+                    // removed it here.
+                    mDeferredViews.remove(appWidgetId);
+                }
+            }
         }
     }
 
@@ -221,10 +242,28 @@
             CustomWidgetManager.INSTANCE.get(context).onViewCreated(lahv);
             return lahv;
         } else if ((mFlags & FLAG_LISTENING) == 0) {
-            DeferredAppWidgetHostView view = new DeferredAppWidgetHostView(context);
-            view.setAppWidget(appWidgetId, appWidget);
-            mViews.put(appWidgetId, view);
-            return view;
+            // Since the launcher hasn't started listening to widget updates, we can't simply call
+            // super.createView here because the later will make a binder call to retrieve
+            // RemoteViews from system process.
+            // TODO: have launcher always listens to widget updates in background so that this
+            //  check can be removed altogether.
+            if (FeatureFlags.ENABLE_CACHED_WIDGET.get()
+                    && mCachedRemoteViews.get(appWidgetId) != null) {
+                // We've found RemoteViews from cache for this widget, so we will instantiate a
+                // widget host view and populate it with the cached RemoteViews.
+                final LauncherAppWidgetHostView view = new LauncherAppWidgetHostView(context);
+                view.setAppWidget(appWidgetId, appWidget);
+                view.updateAppWidget(mCachedRemoteViews.get(appWidgetId));
+                mDeferredViews.put(appWidgetId, view);
+                mViews.put(appWidgetId, view);
+                return view;
+            } else {
+                // When cache misses, a placeholder for the widget will be returned instead.
+                DeferredAppWidgetHostView view = new DeferredAppWidgetHostView(context);
+                view.setAppWidget(appWidgetId, appWidget);
+                mViews.put(appWidgetId, view);
+                return view;
+            }
         } else {
             try {
                 return super.createView(context, appWidgetId, appWidget);
@@ -281,6 +320,16 @@
     @Override
     public void clearViews() {
         super.clearViews();
+        if (FeatureFlags.ENABLE_CACHED_WIDGET.get()) {
+            // First, we clear any previously cached content from existing widgets
+            mCachedRemoteViews.clear();
+            // Then we proceed to cache the content from the widgets
+            for (int i = 0; i < mViews.size(); i++) {
+                final int appWidgetId = mViews.keyAt(i);
+                final LauncherAppWidgetHostView view = mViews.get(appWidgetId);
+                mCachedRemoteViews.put(appWidgetId, view.mLastRemoteViews);
+            }
+        }
         mViews.clear();
     }
 
diff --git a/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java b/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java
index 0865152..fc1e880 100644
--- a/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java
+++ b/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java
@@ -43,6 +43,7 @@
 import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
+import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.dragndrop.DragLayer;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.LauncherAppWidgetInfo;
@@ -85,7 +86,7 @@
     private Runnable mAutoAdvanceRunnable;
 
     private long mDeferUpdatesUntilMillis = 0;
-    private RemoteViews mDeferredRemoteViews;
+    RemoteViews mLastRemoteViews;
     private boolean mHasDeferredColorChange = false;
     private @Nullable SparseIntArray mDeferredColorChange = null;
 
@@ -150,11 +151,18 @@
                     TRACE_METHOD_NAME + getAppWidgetInfo().provider, getAppWidgetId());
             mTrackingWidgetUpdate = false;
         }
-        if (isDeferringUpdates()) {
-            mDeferredRemoteViews = remoteViews;
-            return;
+        if (FeatureFlags.ENABLE_CACHED_WIDGET.get()) {
+            mLastRemoteViews = remoteViews;
+            if (isDeferringUpdates()) {
+                return;
+            }
+        } else {
+            if (isDeferringUpdates()) {
+                mLastRemoteViews = remoteViews;
+                return;
+            }
+            mLastRemoteViews = null;
         }
-        mDeferredRemoteViews = null;
 
         super.updateAppWidget(remoteViews);
 
@@ -218,8 +226,7 @@
         SparseIntArray deferredColors;
         boolean hasDeferredColors;
         mDeferUpdatesUntilMillis = 0;
-        remoteViews = mDeferredRemoteViews;
-        mDeferredRemoteViews = null;
+        remoteViews = mLastRemoteViews;
         deferredColors = mDeferredColorChange;
         hasDeferredColors = mHasDeferredColorChange;
         mDeferredColorChange = null;
diff --git a/src/com/android/launcher3/widget/picker/WidgetsRecyclerView.java b/src/com/android/launcher3/widget/picker/WidgetsRecyclerView.java
index 4c0e0d5..35fa7a4 100644
--- a/src/com/android/launcher3/widget/picker/WidgetsRecyclerView.java
+++ b/src/com/android/launcher3/widget/picker/WidgetsRecyclerView.java
@@ -173,11 +173,12 @@
     @Override
     protected int getItemsHeight(int untilIndex) {
         // Initialize cache
-        int childCount = Math.min(getChildCount(), getAdapter().getItemCount());
+        int childCount = getChildCount();
         int startPosition;
         if (childCount > 0
                 && ((startPosition = getChildAdapterPosition(getChildAt(0))) != NO_POSITION)) {
-            for (int i = 0; i < childCount; i++) {
+            int loopCount = Math.min(getChildCount(), getAdapter().getItemCount() - startPosition);
+            for (int i = 0; i < loopCount; i++) {
                 mCachedSizes.put(
                         mAdapter.getItemViewType(startPosition + i),
                         getChildAt(i).getMeasuredHeight());