diff --git a/quickstep/res/values/dimens.xml b/quickstep/res/values/dimens.xml
index 49c4492..e0c4e4b 100644
--- a/quickstep/res/values/dimens.xml
+++ b/quickstep/res/values/dimens.xml
@@ -19,7 +19,7 @@
     <dimen name="task_thumbnail_top_margin">24dp</dimen>
     <dimen name="task_thumbnail_half_top_margin">12dp</dimen>
     <dimen name="task_thumbnail_icon_size">48dp</dimen>
-    <dimen name="task_corner_radius">2dp</dimen>
+    <dimen name="task_corner_radius">8dp</dimen>
     <dimen name="recents_page_spacing">10dp</dimen>
     <dimen name="recents_clear_all_deadzone_vertical_margin">70dp</dimen>
     <dimen name="quickscrub_adjacent_visible_width">20dp</dimen>
diff --git a/quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java b/quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java
index 9e85469..1049cca 100644
--- a/quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java
+++ b/quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java
@@ -67,6 +67,7 @@
 import com.android.launcher3.shortcuts.DeepShortcutView;
 import com.android.launcher3.util.MultiValueAlpha;
 import com.android.launcher3.util.MultiValueAlpha.AlphaProperty;
+import com.android.quickstep.RecentsModel;
 import com.android.quickstep.util.ClipAnimationHelper;
 import com.android.quickstep.util.MultiValueUpdateListener;
 import com.android.quickstep.util.RemoteAnimationProvider;
@@ -292,7 +293,7 @@
                 ? RECENTS_QUICKSCRUB_LAUNCH_DURATION
                 : RECENTS_LAUNCH_DURATION;
 
-        ClipAnimationHelper helper = new ClipAnimationHelper();
+        ClipAnimationHelper helper = new ClipAnimationHelper(mLauncher);
         target.play(getRecentsWindowAnimator(taskView, skipLauncherChanges, targets, helper)
                 .setDuration(duration));
 
@@ -614,6 +615,13 @@
                 float transX0 = floatingViewBounds[0] - offsetX;
                 float transY0 = floatingViewBounds[1] - offsetY;
 
+                // Animate window corner radius from 100% to windowCornerRadius.
+                float windowCornerRadius = RecentsModel.INSTANCE.get(mLauncher)
+                        .getWindowCornerRadius();
+                float circleRadius = scaledWindowWidth / 2f;
+                float windowRadius = Utilities.mapRange(easePercent, circleRadius,
+                        windowCornerRadius);
+
                 // Animate the window crop so that it starts off as a square, and then reveals
                 // horizontally.
                 float cropHeight = windowHeight * easePercent + windowWidth * (1 - easePercent);
@@ -628,20 +636,24 @@
                     RemoteAnimationTargetCompat target = targets[i];
 
                     Rect targetCrop;
-                    float alpha;
+                    final float alpha;
+                    final float cornerRadius;
                     if (target.mode == MODE_OPENING) {
                         matrix.setScale(scale, scale);
                         matrix.postTranslate(transX0, transY0);
                         targetCrop = crop;
                         alpha = mAlpha.value;
+                        cornerRadius = windowRadius;
                     } else {
                         matrix.setTranslate(target.position.x, target.position.y);
                         alpha = 1f;
                         targetCrop = target.sourceContainerBounds;
+                        cornerRadius = 0;
                     }
 
                     params[i] = new SurfaceParams(target.leash, alpha, matrix, targetCrop,
-                            RemoteAnimationProvider.getLayer(target, MODE_OPENING));
+                            RemoteAnimationProvider.getLayer(target, MODE_OPENING),
+                            cornerRadius);
                 }
                 surfaceApplier.scheduleApply(params);
             }
@@ -733,6 +745,7 @@
         Matrix matrix = new Matrix();
         ValueAnimator closingAnimator = ValueAnimator.ofFloat(0, 1);
         int duration = CLOSING_TRANSITION_DURATION_MS;
+        float windowCornerRadius = RecentsModel.INSTANCE.get(mLauncher).getWindowCornerRadius();
         closingAnimator.setDuration(duration);
         closingAnimator.addUpdateListener(new MultiValueUpdateListener() {
             FloatProp mDy = new FloatProp(0, mClosingWindowTransY, 0, duration, DEACCEL_1_7);
@@ -744,7 +757,8 @@
                 SurfaceParams[] params = new SurfaceParams[targets.length];
                 for (int i = targets.length - 1; i >= 0; i--) {
                     RemoteAnimationTargetCompat target = targets[i];
-                    float alpha;
+                    final float alpha;
+                    final float cornerRadius;
                     if (target.mode == MODE_CLOSING) {
                         matrix.setScale(mScale.value, mScale.value,
                                 target.sourceContainerBounds.centerX(),
@@ -752,13 +766,16 @@
                         matrix.postTranslate(0, mDy.value);
                         matrix.postTranslate(target.position.x, target.position.y);
                         alpha = mAlpha.value;
+                        cornerRadius = windowCornerRadius;
                     } else {
                         matrix.setTranslate(target.position.x, target.position.y);
                         alpha = 1f;
+                        cornerRadius = 0f;
                     }
                     params[i] = new SurfaceParams(target.leash, alpha, matrix,
                             target.sourceContainerBounds,
-                            RemoteAnimationProvider.getLayer(target, MODE_CLOSING));
+                            RemoteAnimationProvider.getLayer(target, MODE_CLOSING),
+                            cornerRadius);
                 }
                 surfaceApplier.scheduleApply(params);
             }
diff --git a/quickstep/src/com/android/quickstep/ActivityControlHelper.java b/quickstep/src/com/android/quickstep/ActivityControlHelper.java
index b96f9f0..16f5fa1 100644
--- a/quickstep/src/com/android/quickstep/ActivityControlHelper.java
+++ b/quickstep/src/com/android/quickstep/ActivityControlHelper.java
@@ -332,7 +332,7 @@
             float prevRvScale = recentsView.getScaleX();
             float targetRvScale = endState.getOverviewScaleAndTranslationYFactor(launcher)[0];
             SCALE_PROPERTY.set(recentsView, targetRvScale);
-            ClipAnimationHelper clipHelper = new ClipAnimationHelper();
+            ClipAnimationHelper clipHelper = new ClipAnimationHelper(launcher);
             clipHelper.fromTaskThumbnailView(v.getThumbnail(), (RecentsView) v.getParent(), null);
             SCALE_PROPERTY.set(recentsView, prevRvScale);
 
@@ -553,7 +553,8 @@
                 public void finish() { }
 
                 @Override
-                public void update(boolean shouldFinish, boolean isLongSwipe, RectF currentRect) { }
+                public void update(boolean shouldFinish, boolean isLongSwipe, RectF currentRect,
+                        float cornerRadius) { }
             };
         }
 
@@ -631,7 +632,8 @@
 
         void finish();
 
-        void update(boolean shouldFinish, boolean isLongSwipe, RectF currentRect);
+        void update(boolean shouldFinish, boolean isLongSwipe, RectF currentRect,
+                float cornerRadius);
     }
 
     interface ActivityInitListener {
diff --git a/quickstep/src/com/android/quickstep/OverviewCommandHelper.java b/quickstep/src/com/android/quickstep/OverviewCommandHelper.java
index f8f0905..61bb75f 100644
--- a/quickstep/src/com/android/quickstep/OverviewCommandHelper.java
+++ b/quickstep/src/com/android/quickstep/OverviewCommandHelper.java
@@ -326,7 +326,7 @@
                 return anim;
             }
 
-            final ClipAnimationHelper clipHelper = new ClipAnimationHelper();
+            final ClipAnimationHelper clipHelper = new ClipAnimationHelper(mActivity);
 
             // At this point, the activity is already started and laid-out. Get the home-bounds
             // relative to the screen using the rootView of the activity.
diff --git a/quickstep/src/com/android/quickstep/RecentsActivity.java b/quickstep/src/com/android/quickstep/RecentsActivity.java
index 9d01f74..deedd32 100644
--- a/quickstep/src/com/android/quickstep/RecentsActivity.java
+++ b/quickstep/src/com/android/quickstep/RecentsActivity.java
@@ -183,7 +183,7 @@
             RemoteAnimationTargetCompat[] targets) {
         AnimatorSet target = new AnimatorSet();
         boolean activityClosing = taskIsATargetWithMode(targets, getTaskId(), MODE_CLOSING);
-        ClipAnimationHelper helper = new ClipAnimationHelper();
+        ClipAnimationHelper helper = new ClipAnimationHelper(this);
         target.play(getRecentsWindowAnimator(taskView, !activityClosing, targets, helper)
                 .setDuration(RECENTS_LAUNCH_DURATION));
 
diff --git a/quickstep/src/com/android/quickstep/RecentsModel.java b/quickstep/src/com/android/quickstep/RecentsModel.java
index 2e4d4d2..a62e6ad 100644
--- a/quickstep/src/com/android/quickstep/RecentsModel.java
+++ b/quickstep/src/com/android/quickstep/RecentsModel.java
@@ -45,6 +45,9 @@
  */
 @TargetApi(Build.VERSION_CODES.O)
 public class RecentsModel extends TaskStackChangeListener {
+
+    private static final String TAG = "RecentsModel";
+
     // We do not need any synchronization for this variable as its only written on UI thread.
     public static final MainThreadInitializedObject<RecentsModel> INSTANCE =
             new MainThreadInitializedObject<>(c -> new RecentsModel(c));
@@ -62,6 +65,9 @@
     private final TaskIconCache mIconCache;
     private final TaskThumbnailCache mThumbnailCache;
 
+    private float mWindowCornerRadius = -1;
+
+
     private RecentsModel(Context context) {
         mContext = context;
 
@@ -174,6 +180,26 @@
         return mSystemUiProxy;
     }
 
+    public float getWindowCornerRadius() {
+        // The window corner radius is expressed in pixels and won't change if the
+        // display density changes. It's safe to cache the value.
+        if (mWindowCornerRadius == -1) {
+            if (mSystemUiProxy != null) {
+                try {
+                    mWindowCornerRadius = mSystemUiProxy.getWindowCornerRadius();
+                } catch (RemoteException e) {
+                    Log.w(TAG, "Connection to ISystemUIProxy was lost, ignoring window corner "
+                            + "radius");
+                    return 0;
+                }
+            } else {
+                Log.w(TAG, "ISystemUIProxy is null, ignoring window corner radius");
+                return 0;
+            }
+        }
+        return mWindowCornerRadius;
+    }
+
     public void onTrimMemory(int level) {
         if (level == ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN) {
             mThumbnailCache.getHighResLoadingState().setVisible(false);
diff --git a/quickstep/src/com/android/quickstep/WindowTransformSwipeHandler.java b/quickstep/src/com/android/quickstep/WindowTransformSwipeHandler.java
index fe3300d..78a2055 100644
--- a/quickstep/src/com/android/quickstep/WindowTransformSwipeHandler.java
+++ b/quickstep/src/com/android/quickstep/WindowTransformSwipeHandler.java
@@ -175,7 +175,7 @@
     private static final float SWIPE_DURATION_MULTIPLIER =
             Math.min(1 / MIN_PROGRESS_FOR_OVERVIEW, 1 / (1 - MIN_PROGRESS_FOR_OVERVIEW));
 
-    private final ClipAnimationHelper mClipAnimationHelper = new ClipAnimationHelper();
+    private final ClipAnimationHelper mClipAnimationHelper;
 
     protected Runnable mGestureEndCallback;
     protected boolean mIsGoingToHome;
@@ -255,6 +255,7 @@
         mTouchInteractionLog = touchInteractionLog;
         mRecentsAnimationWrapper = new RecentsAnimationWrapper(inputConsumer,
                 this::createNewTouchProxyHandler);
+        mClipAnimationHelper = new ClipAnimationHelper(context);
 
         initStateCallbacks();
     }
@@ -600,7 +601,8 @@
     private void updateFinalShiftUi() {
         if (mRecentsAnimationWrapper.getController() != null && mLayoutListener != null) {
             mLayoutListener.update(mCurrentShift.value > 1, mUiLongSwipeMode,
-                    mClipAnimationHelper.getCurrentRectWithInsets());
+                    mClipAnimationHelper.getCurrentRectWithInsets(),
+                    mClipAnimationHelper.getCurrentCornerRadius());
         }
 
         final boolean passed = mCurrentShift.value >= MIN_PROGRESS_FOR_OVERVIEW;
diff --git a/quickstep/src/com/android/quickstep/util/ClipAnimationHelper.java b/quickstep/src/com/android/quickstep/util/ClipAnimationHelper.java
index 57a0e8f..8c9cead 100644
--- a/quickstep/src/com/android/quickstep/util/ClipAnimationHelper.java
+++ b/quickstep/src/com/android/quickstep/util/ClipAnimationHelper.java
@@ -21,6 +21,7 @@
 import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.MODE_OPENING;
 
 import android.annotation.TargetApi;
+import android.content.Context;
 import android.graphics.Canvas;
 import android.graphics.Matrix;
 import android.graphics.Matrix.ScaleToFit;
@@ -31,6 +32,8 @@
 import android.os.RemoteException;
 import android.view.animation.Interpolator;
 
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.R;
@@ -50,8 +53,6 @@
 
 import java.util.function.BiFunction;
 
-import androidx.annotation.Nullable;
-
 /**
  * Utility class to handle window clip animation
  */
@@ -82,7 +83,13 @@
     private final Matrix mTmpMatrix = new Matrix();
     private final RectF mTmpRectF = new RectF();
     private final RectF mCurrentRectWithInsets = new RectF();
+    // Corner radius of windows, in pixels
+    private final float mWindowCornerRadius;
+    // Corner radius of windows when they're in overview mode.
+    private final float mTaskCornerRadius;
 
+    // Corner radius currently applied to transformed window.
+    private float mCurrentCornerRadius;
     private float mTargetScale = 1f;
     private float mOffsetScale = 1f;
     private Interpolator mInterpolator = LINEAR;
@@ -95,6 +102,11 @@
     private BiFunction<RemoteAnimationTargetCompat, Float, Float> mTaskAlphaCallback =
             (t, a1) -> a1;
 
+    public ClipAnimationHelper(Context context) {
+        mTaskCornerRadius = context.getResources().getDimension(R.dimen.task_corner_radius);
+        mWindowCornerRadius  = RecentsModel.INSTANCE.get(context).getWindowCornerRadius();
+    }
+
     private void updateSourceStack(RemoteAnimationTargetCompat target) {
         mSourceInsets.set(target.contentInsets);
         mSourceStackBounds.set(target.sourceContainerBounds);
@@ -168,11 +180,16 @@
             Rect crop = app.sourceContainerBounds;
             float alpha = 1f;
             int layer;
+            float cornerRadius = 0f;
+            float scale = currentRect.width() / crop.width();
             if (app.mode == targetSet.targetMode) {
                 if (app.activityType != RemoteAnimationTargetCompat.ACTIVITY_TYPE_HOME) {
                     mTmpMatrix.setRectToRect(mSourceRect, currentRect, ScaleToFit.FILL);
                     mTmpMatrix.postTranslate(app.position.x, app.position.y);
                     mClipRectF.roundOut(crop);
+                    cornerRadius = Utilities.mapRange(progress, mWindowCornerRadius,
+                            mTaskCornerRadius);
+                    mCurrentCornerRadius = cornerRadius;
                 }
 
                 if (app.isNotInRecents
@@ -186,7 +203,11 @@
                 crop = null;
                 layer = Integer.MAX_VALUE;
             }
-            params[i] = new SurfaceParams(app.leash, alpha, mTmpMatrix, crop, layer);
+
+            // Since radius is in Surface space, but we draw the rounded corners in screen space, we
+            // have to undo the scale.
+            params[i] = new SurfaceParams(app.leash, alpha, mTmpMatrix, crop, layer,
+                    cornerRadius / scale);
         }
         applyParams(syncTransactionApplier, params);
         return currentRect;
@@ -315,7 +336,7 @@
                 -mSourceWindowClipInsets.top * insetProgress,
                 ttv.getMeasuredWidth() + mSourceWindowClipInsets.right * insetProgress,
                 ttv.getMeasuredHeight() + mSourceWindowClipInsets.bottom * insetProgress,
-                ttv.getCornerRadius() * progress);
+                Utilities.mapRange(progress, mWindowCornerRadius, ttv.getCornerRadius()));
     }
 
     public RectF getTargetRect() {
@@ -325,4 +346,8 @@
     public RectF getSourceRect() {
         return mSourceRect;
     }
+
+    public float getCurrentCornerRadius() {
+        return mCurrentCornerRadius;
+    }
 }
diff --git a/quickstep/src/com/android/quickstep/util/TaskViewDrawable.java b/quickstep/src/com/android/quickstep/util/TaskViewDrawable.java
index 48b07a7..6ee305f 100644
--- a/quickstep/src/com/android/quickstep/util/TaskViewDrawable.java
+++ b/quickstep/src/com/android/quickstep/util/TaskViewDrawable.java
@@ -71,7 +71,7 @@
         Utilities.getDescendantCoordRelativeToAncestor(mIconView, parent, mIconPos, true);
 
         mThumbnailView = tv.getThumbnail();
-        mClipAnimationHelper = new ClipAnimationHelper();
+        mClipAnimationHelper = new ClipAnimationHelper(parent.getContext());
         mClipAnimationHelper.fromTaskThumbnailView(mThumbnailView, parent);
     }
 
diff --git a/quickstep/src/com/android/quickstep/views/LauncherLayoutListener.java b/quickstep/src/com/android/quickstep/views/LauncherLayoutListener.java
index c12a579..8ec5361 100644
--- a/quickstep/src/com/android/quickstep/views/LauncherLayoutListener.java
+++ b/quickstep/src/com/android/quickstep/views/LauncherLayoutListener.java
@@ -43,6 +43,7 @@
     private final Paint mPaint = new Paint();
     private WindowTransformSwipeHandler mHandler;
     private RectF mCurrentRect;
+    private float mCornerRadius;
 
     public LauncherLayoutListener(Launcher launcher) {
         super(launcher, null);
@@ -52,13 +53,15 @@
     }
 
     @Override
-    public void update(boolean shouldFinish, boolean isLongSwipe, RectF currentRect) {
+    public void update(boolean shouldFinish, boolean isLongSwipe, RectF currentRect,
+            float cornerRadius) {
         if (shouldFinish) {
             finish();
             return;
         }
 
         mCurrentRect = currentRect;
+        mCornerRadius = cornerRadius;
 
         setWillNotDraw(mCurrentRect == null || isLongSwipe);
         invalidate();
@@ -121,6 +124,6 @@
 
     @Override
     protected void onDraw(Canvas canvas) {
-        canvas.drawRect(mCurrentRect, mPaint);
+        canvas.drawRoundRect(mCurrentRect, mCornerRadius, mCornerRadius, mPaint);
     }
 }