diff --git a/quickstep/res/values/dimens.xml b/quickstep/res/values/dimens.xml
index 6b76311c71..fae3d37fd1 100644
--- a/quickstep/res/values/dimens.xml
+++ b/quickstep/res/values/dimens.xml
@@ -384,6 +384,11 @@
     <!-- Taskbar swipe down threshold -->
     <dimen name="taskbar_to_nav_threshold">24dp</dimen>
 
+    <!-- Taskbar variables that help determine when to animate the Taskbar background -->
+    <!-- Velocity defined as dp per s. Negative because the gesture is an upwards motion. -->
+    <dimen name="taskbar_slow_velocity_y_threshold">-288dp</dimen>
+    <integer name="taskbar_background_duration">80</integer>
+
     <!-- Taskbar swipe up threshold multipliers -->
     <item name="taskbar_nav_threshold_mult" format="float" type="dimen">4.5</item>
     <item name="taskbar_app_window_threshold_mult" format="float" type="dimen">10</item>
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
index 61877f0afa..74554a2ccf 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
@@ -1395,6 +1395,13 @@ public class TaskbarActivityContext extends BaseTaskbarContext {
         mControllers.taskbarStashController.toggleTaskbarStash();
     }
 
+    /**
+     * Plays the taskbar background alpha animation if one is not currently playing.
+     */
+    public void playTaskbarBackgroundAlphaAnimation() {
+        mControllers.taskbarStashController.playTaskbarBackgroundAlphaAnimation();
+    }
+
     /**
      * Called to start the taskbar translation spring to its settled translation (0).
      */
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayer.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayer.java
index 84874a9371..f703463117 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayer.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayer.java
@@ -18,6 +18,7 @@ package com.android.launcher3.taskbar;
 import static android.view.KeyEvent.ACTION_UP;
 import static android.view.KeyEvent.KEYCODE_BACK;
 
+import static com.android.launcher3.Flags.enableScalingRevealHomeAnimation;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_TASKBAR_NAVBAR_UNIFICATION;
 
 import android.content.Context;
@@ -41,6 +42,7 @@ import com.android.app.viewcapture.ViewCaptureFactory;
 import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.testing.TestLogging;
 import com.android.launcher3.testing.shared.TestProtocol;
+import com.android.launcher3.util.DisplayController;
 import com.android.launcher3.util.MultiPropertyFactory;
 import com.android.launcher3.util.MultiPropertyFactory.MultiProperty;
 import com.android.launcher3.views.BaseDragLayer;
@@ -104,7 +106,10 @@ public class TaskbarDragLayer extends BaseDragLayer<TaskbarActivityContext> {
         mTaskbarBackgroundAlpha = new MultiPropertyFactory<>(this, BG_ALPHA, INDEX_COUNT,
                 (a, b) -> a * b, 1f);
         mTaskbarBackgroundAlpha.get(INDEX_ALL_OTHER_STATES).setValue(0);
-        mTaskbarBackgroundAlpha.get(INDEX_STASH_ANIM).setValue(1);
+        mTaskbarBackgroundAlpha.get(INDEX_STASH_ANIM).setValue(
+                enableScalingRevealHomeAnimation() && DisplayController.isTransientTaskbar(context)
+                        ? 0
+                        : 1);
     }
 
     public void init(TaskbarDragLayerController.TaskbarDragLayerCallbacks callbacks) {
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
index 995a6520bf..7ff887c7d2 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.app.animation.Interpolators.FINAL_FRAME;
 import static com.android.app.animation.Interpolators.INSTANT;
 import static com.android.app.animation.Interpolators.LINEAR;
 import static com.android.internal.jank.InteractionJankMonitor.Configuration;
+import static com.android.launcher3.Flags.enableScalingRevealHomeAnimation;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_TASKBAR_NAVBAR_UNIFICATION;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TRANSIENT_TASKBAR_HIDE;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TRANSIENT_TASKBAR_SHOW;
@@ -38,6 +39,7 @@ import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_S
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
+import android.animation.ValueAnimator;
 import android.app.RemoteAction;
 import android.graphics.drawable.Icon;
 import android.os.SystemClock;
@@ -241,6 +243,10 @@ public class TaskbarStashController implements TaskbarControllers.LoggableTaskba
     private final Alarm mTimeoutAlarm = new Alarm();
     private boolean mEnableBlockingTimeoutDuringTests = false;
 
+    private Animator mTaskbarBackgroundAlphaAnimator;
+    private long mTaskbarBackgroundDuration;
+    private boolean mIsGoingHome;
+
     // Evaluate whether the handle should be stashed
     private final LongPredicate mIsStashedPredicate = flags -> {
         boolean inApp = hasAnyFlag(flags, FLAGS_IN_APP);
@@ -265,6 +271,8 @@ public class TaskbarStashController implements TaskbarControllers.LoggableTaskba
         mSystemUiProxy = SystemUiProxy.INSTANCE.get(activity);
         mAccessibilityManager = mActivity.getSystemService(AccessibilityManager.class);
 
+        mTaskbarBackgroundDuration =
+                activity.getResources().getInteger(R.integer.taskbar_background_duration);
         if (mActivity.isPhoneMode()) {
             mUnstashedHeight = mActivity.getResources().getDimensionPixelSize(
                     R.dimen.taskbar_phone_size);
@@ -759,9 +767,16 @@ public class TaskbarStashController implements TaskbarControllers.LoggableTaskba
                 backgroundAndHandleAlphaStartDelay,
                 backgroundAndHandleAlphaDuration, LINEAR);
 
-        play(as, mTaskbarBackgroundAlphaForStash.animateToValue(backgroundAlphaTarget),
-                backgroundAndHandleAlphaStartDelay,
-                backgroundAndHandleAlphaDuration, LINEAR);
+        if (enableScalingRevealHomeAnimation() && !isStashed) {
+            play(as, getTaskbarBackgroundAnimatorWhenNotGoingHome(duration),
+                    0, 0, LINEAR);
+            as.addListener(AnimatorListeners.forEndCallback(
+                    () -> mTaskbarBackgroundAlphaForStash.setValue(backgroundAlphaTarget)));
+        } else {
+            play(as, mTaskbarBackgroundAlphaForStash.animateToValue(backgroundAlphaTarget),
+                    backgroundAndHandleAlphaStartDelay,
+                    backgroundAndHandleAlphaDuration, LINEAR);
+        }
 
         // The rest of the animations might be "skipped" in TRANSITION_HANDLE_FADE transitions.
         AnimatorSet skippable = as;
@@ -804,6 +819,62 @@ public class TaskbarStashController implements TaskbarControllers.LoggableTaskba
                 .setDuration(isStashed ? duration / 2 : duration));
     }
 
+    private Animator getTaskbarBackgroundAnimatorWhenNotGoingHome(long duration) {
+        ValueAnimator a = ValueAnimator.ofFloat(0, 1);
+        a.setDuration(duration);
+        a.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
+            // This value is arbitrary.
+            private static final float ANIMATED_FRACTION_THRESHOLD = 0.25f;
+            private boolean mTaskbarBgAlphaAnimationStarted = false;
+            @Override
+            public void onAnimationUpdate(ValueAnimator valueAnimator) {
+                if (mIsGoingHome) {
+                    mTaskbarBgAlphaAnimationStarted = true;
+                }
+                if (mTaskbarBgAlphaAnimationStarted) {
+                    return;
+                }
+
+                if (valueAnimator.getAnimatedFraction() >= ANIMATED_FRACTION_THRESHOLD) {
+                    if (!mIsGoingHome) {
+                        playTaskbarBackgroundAlphaAnimation();
+                        setUserIsGoingHome(false);
+                        mTaskbarBgAlphaAnimationStarted = true;
+                    }
+                }
+            }
+        });
+        return a;
+    }
+
+    /**
+     * Sets whether the user is going home based on the current gesture.
+     */
+    public void setUserIsGoingHome(boolean isGoingHome) {
+        mIsGoingHome = isGoingHome;
+    }
+
+    /**
+     * Plays the taskbar background alpha animation if one is not currently playing.
+     */
+    public void playTaskbarBackgroundAlphaAnimation() {
+        if (mTaskbarBackgroundAlphaAnimator != null
+                && mTaskbarBackgroundAlphaAnimator.isRunning()) {
+            return;
+        }
+        mTaskbarBackgroundAlphaAnimator = mTaskbarBackgroundAlphaForStash
+                .animateToValue(1f)
+                .setDuration(mTaskbarBackgroundDuration);
+        mTaskbarBackgroundAlphaAnimator.setInterpolator(LINEAR);
+        mTaskbarBackgroundAlphaAnimator.addListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                mTaskbarBackgroundAlphaAnimator = null;
+            }
+        });
+        mTaskbarBackgroundAlphaAnimator.start();
+    }
+
     private static void play(AnimatorSet as, @Nullable Animator a, long startDelay, long duration,
             Interpolator interpolator) {
         if (a == null) {
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java
index 2b68b52932..593285f062 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java
@@ -411,4 +411,11 @@ public class TaskbarUIController {
     public void setSkipNextRecentsAnimEnd() {
         // Overridden
     }
+
+    /**
+     * Sets whether the user is going home based on the current gesture.
+     */
+    public void setUserIsGoingHome(boolean isGoingHome) {
+        mControllers.taskbarStashController.setUserIsGoingHome(isGoingHome);
+    }
 }
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index 3199076547..1acafab217 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -32,6 +32,7 @@ import static com.android.launcher3.BaseActivity.INVISIBLE_BY_STATE_HANDLER;
 import static com.android.launcher3.BaseActivity.STATE_HANDLER_INVISIBILITY_FLAGS;
 import static com.android.launcher3.Flags.enableAdditionalHomeAnimations;
 import static com.android.launcher3.Flags.enableGridOnlyOverview;
+import static com.android.launcher3.Flags.enableScalingRevealHomeAnimation;
 import static com.android.launcher3.PagedView.INVALID_PAGE;
 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_BACKGROUND;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.IGNORE;
@@ -1193,6 +1194,10 @@ public abstract class AbsSwipeUpHandler<T extends RecentsViewContainer,
                 setDividerShown(true);
                 break;
         }
+        if (mContainerInterface.getTaskbarController() != null) {
+            // Resets this value as the gesture is now complete.
+            mContainerInterface.getTaskbarController().setUserIsGoingHome(false);
+        }
         ActiveGestureLog.INSTANCE.addLog(
                 new ActiveGestureLog.CompoundString("onSettledOnEndTarget ")
                         .append(endTarget.name()),
@@ -1341,6 +1346,13 @@ public abstract class AbsSwipeUpHandler<T extends RecentsViewContainer,
         mGestureState.setEndTarget(endTarget, false /* isAtomic */);
         mAnimationFactory.setEndTarget(endTarget);
 
+        if (enableScalingRevealHomeAnimation()
+                && mIsTransientTaskbar
+                && mContainerInterface.getTaskbarController() != null) {
+            mContainerInterface.getTaskbarController()
+                    .setUserIsGoingHome(endTarget == GestureState.GestureEndTarget.HOME);
+        }
+
         float endShift = endTarget == ALL_APPS ? mDragLengthFactor
                 : endTarget.isLauncher ? 1 : 0;
         final float startShift;
diff --git a/quickstep/src/com/android/quickstep/inputconsumers/TaskbarUnstashInputConsumer.java b/quickstep/src/com/android/quickstep/inputconsumers/TaskbarUnstashInputConsumer.java
index 9a25c3251f..95295b0eb9 100644
--- a/quickstep/src/com/android/quickstep/inputconsumers/TaskbarUnstashInputConsumer.java
+++ b/quickstep/src/com/android/quickstep/inputconsumers/TaskbarUnstashInputConsumer.java
@@ -21,6 +21,7 @@ import static android.view.MotionEvent.ACTION_UP;
 import static android.view.MotionEvent.INVALID_POINTER_ID;
 
 import static com.android.launcher3.Flags.enableCursorHoverStates;
+import static com.android.launcher3.Flags.enableScalingRevealHomeAnimation;
 import static com.android.launcher3.MotionEventsUtils.isTrackpadMotionEvent;
 import static com.android.launcher3.taskbar.TaskbarAutohideSuspendController.FLAG_AUTOHIDE_SUSPEND_TOUCHING;
 
@@ -32,6 +33,7 @@ import android.os.Handler;
 import android.os.Looper;
 import android.view.InputDevice;
 import android.view.MotionEvent;
+import android.view.VelocityTracker;
 import android.view.ViewConfiguration;
 
 import androidx.annotation.Nullable;
@@ -55,6 +57,9 @@ import com.android.systemui.shared.system.InputMonitorCompat;
 public class TaskbarUnstashInputConsumer extends DelegateInputConsumer {
 
     private static final int HOVER_TASKBAR_UNSTASH_TIMEOUT = 500;
+
+    private static final int NUM_MOTION_MOVE_THRESHOLD = 3;
+
     private static final Handler sUnstashHandler = new Handler(Looper.getMainLooper());
 
     private final TaskbarActivityContext mTaskbarActivityContext;
@@ -83,6 +88,11 @@ public class TaskbarUnstashInputConsumer extends DelegateInputConsumer {
 
     private final @Nullable TransitionCallback mTransitionCallback;
     private final GestureState mGestureState;
+    private VelocityTracker mVelocityTracker;
+    private boolean mCanPlayTaskbarBgAlphaAnimation = true;
+    private int mMotionMoveCount = 0;
+    // Velocity defined as dp per s
+    private float mTaskbarSlowVelocityYThreshold;
 
     public TaskbarUnstashInputConsumer(Context context, InputConsumer delegate,
             InputMonitorCompat inputMonitor, TaskbarActivityContext taskbarActivityContext,
@@ -101,6 +111,8 @@ public class TaskbarUnstashInputConsumer extends DelegateInputConsumer {
         mIsTaskbarAllAppsOpen = mTaskbarActivityContext.isTaskbarAllAppsOpen();
 
         mIsTransientTaskbar = DisplayController.isTransientTaskbar(context);
+        mTaskbarSlowVelocityYThreshold =
+                res.getDimensionPixelSize(R.dimen.taskbar_slow_velocity_y_threshold);
 
         mBottomScreenEdge = res.getDimensionPixelSize(
                 R.dimen.taskbar_stashed_screen_edge_hover_deadzone_height);
@@ -125,6 +137,9 @@ public class TaskbarUnstashInputConsumer extends DelegateInputConsumer {
 
     @Override
     public void onMotionEvent(MotionEvent ev) {
+        if (enableScalingRevealHomeAnimation() && mIsTransientTaskbar) {
+            checkVelocityForTaskbarBackground(ev);
+        }
         if (mState != STATE_ACTIVE) {
             boolean isStashedTaskbarHovered = isMouseEvent(ev)
                     && isStashedTaskbarHovered((int) ev.getX(), (int) ev.getY());
@@ -254,6 +269,31 @@ public class TaskbarUnstashInputConsumer extends DelegateInputConsumer {
         }
     }
 
+    private void checkVelocityForTaskbarBackground(MotionEvent ev) {
+        int actionMasked = ev.getActionMasked();
+        if (actionMasked == MotionEvent.ACTION_DOWN && mVelocityTracker != null) {
+            mVelocityTracker.clear();
+        }
+        if (mVelocityTracker == null) {
+            mVelocityTracker = VelocityTracker.obtain();
+        }
+        mVelocityTracker.addMovement(ev);
+
+        mVelocityTracker.computeCurrentVelocity(1000);
+        if (ev.getAction() == ACTION_MOVE) {
+            mMotionMoveCount++;
+        }
+
+        float velocityYPxPerS = mVelocityTracker.getYVelocity();
+        if (mCanPlayTaskbarBgAlphaAnimation
+                && mMotionMoveCount >= NUM_MOTION_MOVE_THRESHOLD // Arbitrary value
+                && velocityYPxPerS != 0 // Ignore these
+                && velocityYPxPerS >= mTaskbarSlowVelocityYThreshold) {
+            mTaskbarActivityContext.playTaskbarBackgroundAlphaAnimation();
+            mCanPlayTaskbarBgAlphaAnimation = false;
+        }
+    }
+
     private void cleanupAfterMotionEvent() {
         mTaskbarActivityContext.setAutohideSuspendFlag(
                 FLAG_AUTOHIDE_SUSPEND_TOUCHING, false);
@@ -264,6 +304,13 @@ public class TaskbarUnstashInputConsumer extends DelegateInputConsumer {
         mIsInBubbleBarArea = false;
         mIsVerticalGestureOverBubbleBar = false;
         mIsPassedBubbleBarSlop = false;
+
+        if (mVelocityTracker != null) {
+            mVelocityTracker.recycle();
+        }
+        mVelocityTracker = null;
+        mCanPlayTaskbarBgAlphaAnimation = true;
+        mMotionMoveCount = 0;
     }
 
     private boolean isInBubbleBarArea(float x) {