diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/Roundable.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/Roundable.kt
index dc9b41690d61f..a35617c88caff 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/Roundable.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/Roundable.kt
@@ -251,6 +251,21 @@ interface Roundable {
         )
     }
 
+    /**
+     * Request the roundness 0f for a [SourceType].
+     *
+     * The top/bottom roundness of a [Roundable] can be defined by different [sourceType]. In case
+     * more origins require different roundness, for the same property, the maximum value will
+     * always be chosen.
+     *
+     * @param sourceType the source from which the request for roundness comes.
+     * @param animate true if it should animate to that value.
+     */
+    @JvmDefault
+    fun requestRoundnessReset(sourceType: SourceType, animate: Boolean) {
+        requestRoundness(top = 0f, bottom = 0f, sourceType = sourceType, animate = animate)
+    }
+
     /**
      * Request the roundness 0f for a [SourceType]. Animate the roundness if the view is shown.
      *
@@ -262,7 +277,7 @@ interface Roundable {
      */
     @JvmDefault
     fun requestRoundnessReset(sourceType: SourceType) {
-        requestRoundness(top = 0f, bottom = 0f, sourceType = sourceType)
+        requestRoundnessReset(sourceType = sourceType, animate = roundableState.targetView.isShown)
     }
 
     /** Apply the roundness changes, usually means invalidate the [RoundableState.targetView]. */
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java
index c1173e4c802ce..9f50aef6de116 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java
@@ -3487,7 +3487,8 @@ public class ExpandableNotificationRow extends ActivatableNotificationView
                 mChildrenContainer.requestRoundness(
                         /* top = */ getTopRoundness(),
                         /* bottom = */ getBottomRoundness(),
-                        FROM_PARENT);
+                        /* sourceType = */ FROM_PARENT,
+                        /* animate = */ false);
             } else {
                 mChildrenContainer.requestBottomRoundness(
                         getBottomRoundness(),
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationChildrenContainer.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationChildrenContainer.java
index 4d1451e3a6e28..8d48d738f0f2e 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationChildrenContainer.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationChildrenContainer.java
@@ -367,7 +367,7 @@ public class NotificationChildrenContainer extends ViewGroup
         }
 
         if (mUseRoundnessSourceTypes) {
-            row.requestRoundnessReset(FROM_PARENT);
+            row.requestRoundnessReset(FROM_PARENT, /* animate = */ false);
             applyRoundnessAndInvalidate();
         }
     }
@@ -1440,7 +1440,8 @@ public class NotificationChildrenContainer extends ViewGroup
                 child.requestRoundness(
                         /* top = */ 0f,
                         /* bottom = */ last ? getBottomRoundness() : 0f,
-                        FROM_PARENT);
+                        /* sourceType = */ FROM_PARENT,
+                        /* animate = */ false);
             } else {
                 child.requestRoundness(
                         /* top = */ 0f,
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRowTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRowTest.java
index ee8db18a10031..9d531a165f1f1 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRowTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRowTest.java
@@ -58,6 +58,7 @@ import com.android.systemui.plugins.statusbar.NotificationMenuRowPlugin;
 import com.android.systemui.plugins.statusbar.StatusBarStateController;
 import com.android.systemui.statusbar.notification.AboveShelfChangedListener;
 import com.android.systemui.statusbar.notification.FeedbackIcon;
+import com.android.systemui.statusbar.notification.SourceType;
 import com.android.systemui.statusbar.notification.collection.NotificationEntry;
 import com.android.systemui.statusbar.notification.row.ExpandableView.OnHeightChangedListener;
 import com.android.systemui.statusbar.notification.stack.NotificationChildrenContainer;
@@ -534,4 +535,28 @@ public class ExpandableNotificationRowTest extends SysuiTestCase {
                 /*oldParent=*/ any()
         );
     }
+
+    @Test
+    public void applyRoundnessAndInv_should_be_immediately_applied_on_childrenContainer_legacy() {
+        mGroupRow.useRoundnessSourceTypes(false);
+        Assert.assertEquals(0f, mGroupRow.getBottomRoundness(), 0.001f);
+        Assert.assertEquals(0f, mGroupRow.getChildrenContainer().getBottomRoundness(), 0.001f);
+
+        mGroupRow.requestBottomRoundness(1f, SourceType.from(""), false);
+
+        Assert.assertEquals(1f, mGroupRow.getBottomRoundness(), 0.001f);
+        Assert.assertEquals(1f, mGroupRow.getChildrenContainer().getBottomRoundness(), 0.001f);
+    }
+
+    @Test
+    public void applyRoundnessAndInvalidate_should_be_immediately_applied_on_childrenContainer() {
+        mGroupRow.useRoundnessSourceTypes(true);
+        Assert.assertEquals(0f, mGroupRow.getBottomRoundness(), 0.001f);
+        Assert.assertEquals(0f, mGroupRow.getChildrenContainer().getBottomRoundness(), 0.001f);
+
+        mGroupRow.requestBottomRoundness(1f, SourceType.from(""), false);
+
+        Assert.assertEquals(1f, mGroupRow.getBottomRoundness(), 0.001f);
+        Assert.assertEquals(1f, mGroupRow.getChildrenContainer().getBottomRoundness(), 0.001f);
+    }
 }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/stack/NotificationChildrenContainerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/stack/NotificationChildrenContainerTest.java
index fd1944e7478dc..ca99e24fc105a 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/stack/NotificationChildrenContainerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/stack/NotificationChildrenContainerTest.java
@@ -26,6 +26,7 @@ import androidx.test.filters.SmallTest;
 
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.notification.LegacySourceType;
+import com.android.systemui.statusbar.notification.SourceType;
 import com.android.systemui.statusbar.notification.row.ExpandableNotificationRow;
 import com.android.systemui.statusbar.notification.row.NotificationTestHelper;
 
@@ -34,6 +35,8 @@ import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+import java.util.List;
+
 @SmallTest
 @RunWith(AndroidTestingRunner.class)
 @RunWithLooper
@@ -185,4 +188,32 @@ public class NotificationChildrenContainerTest extends SysuiTestCase {
         Assert.assertEquals(1f, row2.getTopRoundness(), /* delta = */ 0f);
         Assert.assertEquals(1f, row2.getBottomRoundness(), /* delta = */ 0f);
     }
+
+    @Test
+    public void applyRoundnessAndInvalidate_should_be_immediately_applied_on_last_child_legacy() {
+        mChildrenContainer.useRoundnessSourceTypes(false);
+        List<ExpandableNotificationRow> children = mChildrenContainer.getAttachedChildren();
+        ExpandableNotificationRow notificationRow = children.get(children.size() - 1);
+        Assert.assertEquals(0f, mChildrenContainer.getBottomRoundness(), 0.001f);
+        Assert.assertEquals(0f, notificationRow.getBottomRoundness(), 0.001f);
+
+        mChildrenContainer.requestBottomRoundness(1f, SourceType.from(""), false);
+
+        Assert.assertEquals(1f, mChildrenContainer.getBottomRoundness(), 0.001f);
+        Assert.assertEquals(1f, notificationRow.getBottomRoundness(), 0.001f);
+    }
+
+    @Test
+    public void applyRoundnessAndInvalidate_should_be_immediately_applied_on_last_child() {
+        mChildrenContainer.useRoundnessSourceTypes(true);
+        List<ExpandableNotificationRow> children = mChildrenContainer.getAttachedChildren();
+        ExpandableNotificationRow notificationRow = children.get(children.size() - 1);
+        Assert.assertEquals(0f, mChildrenContainer.getBottomRoundness(), 0.001f);
+        Assert.assertEquals(0f, notificationRow.getBottomRoundness(), 0.001f);
+
+        mChildrenContainer.requestBottomRoundness(1f, SourceType.from(""), false);
+
+        Assert.assertEquals(1f, mChildrenContainer.getBottomRoundness(), 0.001f);
+        Assert.assertEquals(1f, notificationRow.getBottomRoundness(), 0.001f);
+    }
 }