diff --git a/packages/SystemUI/compose/features/src/com/android/systemui/notifications/ui/composable/Notifications.kt b/packages/SystemUI/compose/features/src/com/android/systemui/notifications/ui/composable/Notifications.kt
index d780978..8ad2bb7 100644
--- a/packages/SystemUI/compose/features/src/com/android/systemui/notifications/ui/composable/Notifications.kt
+++ b/packages/SystemUI/compose/features/src/com/android/systemui/notifications/ui/composable/Notifications.kt
@@ -72,6 +72,7 @@
 import com.android.systemui.notifications.ui.composable.Notifications.TransitionThresholds.EXPANSION_FOR_MAX_SCRIM_ALPHA
 import com.android.systemui.scene.shared.model.Scenes
 import com.android.systemui.shade.ui.composable.ShadeHeader
+import com.android.systemui.statusbar.notification.stack.shared.model.StackRounding
 import com.android.systemui.statusbar.notification.stack.ui.viewbinder.NotificationStackAppearanceViewBinder.SCRIM_CORNER_RADIUS
 import com.android.systemui.statusbar.notification.stack.ui.viewmodel.NotificationsPlaceholderViewModel
 import kotlin.math.roundToInt
@@ -156,6 +157,8 @@
 
     val contentHeight = viewModel.intrinsicContentHeight.collectAsState()
 
+    val stackRounding = viewModel.stackRounding.collectAsState()
+
     // the offset for the notifications scrim. Its upper bound is 0, and its lower bound is
     // calculated in minScrimOffset. The scrim is the same height as the screen minus the
     // height of the Shade Header, and at rest (scrimOffset = 0) its top bound is at maxScrimStartY.
@@ -226,12 +229,7 @@
                                 { expansionFraction },
                                 layoutState.isTransitioningBetween(Scenes.Gone, Scenes.Shade)
                             )
-                            .let {
-                                RoundedCornerShape(
-                                    topStart = it,
-                                    topEnd = it,
-                                )
-                            }
+                            .let { stackRounding.value.toRoundedCornerShape(it) }
                     clip = true
                 }
     ) {
@@ -367,7 +365,7 @@
         lerp(
                 start = screenCornerRadius.value,
                 stop = SCRIM_CORNER_RADIUS,
-                fraction = (expansionFraction() / EXPANSION_FOR_MAX_CORNER_RADIUS).coerceAtMost(1f),
+                fraction = (expansionFraction() / EXPANSION_FOR_MAX_CORNER_RADIUS).coerceIn(0f, 1f),
             )
             .dp
     } else {
@@ -394,5 +392,16 @@
         this
     }
 
+fun StackRounding.toRoundedCornerShape(radius: Dp): RoundedCornerShape {
+    val topRadius = if (roundTop) radius else 0.dp
+    val bottomRadius = if (roundBottom) radius else 0.dp
+    return RoundedCornerShape(
+        topStart = topRadius,
+        topEnd = topRadius,
+        bottomStart = bottomRadius,
+        bottomEnd = bottomRadius,
+    )
+}
+
 private const val TAG = "FlexiNotifs"
 private val DEBUG_COLOR = Color(1f, 0f, 0f, 0.2f)
diff --git a/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/notification/NotificationStackAppearanceIntegrationTest.kt b/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/notification/NotificationStackAppearanceIntegrationTest.kt
index 2689fc1..94539a3 100644
--- a/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/notification/NotificationStackAppearanceIntegrationTest.kt
+++ b/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/notification/NotificationStackAppearanceIntegrationTest.kt
@@ -22,7 +22,6 @@
 import androidx.test.filters.SmallTest
 import com.android.compose.animation.scene.ObservableTransitionState
 import com.android.systemui.SysuiTestCase
-import com.android.systemui.common.shared.model.NotificationContainerBounds
 import com.android.systemui.coroutines.collectLastValue
 import com.android.systemui.flags.Flags
 import com.android.systemui.flags.fakeFeatureFlagsClassic
@@ -31,6 +30,7 @@
 import com.android.systemui.scene.shared.flag.fakeSceneContainerFlags
 import com.android.systemui.scene.shared.model.Scenes
 import com.android.systemui.scene.shared.model.fakeSceneDataSource
+import com.android.systemui.statusbar.notification.stack.shared.model.StackBounds
 import com.android.systemui.statusbar.notification.stack.ui.viewmodel.notificationStackAppearanceViewModel
 import com.android.systemui.statusbar.notification.stack.ui.viewmodel.notificationsPlaceholderViewModel
 import com.android.systemui.testKosmos
@@ -64,7 +64,7 @@
     @Test
     fun updateBounds() =
         testScope.runTest {
-            val bounds by collectLastValue(appearanceViewModel.stackBounds)
+            val clipping by collectLastValue(appearanceViewModel.stackClipping)
 
             val top = 200f
             val left = 0f
@@ -76,15 +76,8 @@
                 right = right,
                 bottom = bottom
             )
-            assertThat(bounds)
-                .isEqualTo(
-                    NotificationContainerBounds(
-                        left = left,
-                        top = top,
-                        right = right,
-                        bottom = bottom
-                    )
-                )
+            assertThat(clipping?.bounds)
+                .isEqualTo(StackBounds(left = left, top = top, right = right, bottom = bottom))
         }
 
     @Test
diff --git a/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/notification/stack/domain/interactor/NotificationStackAppearanceInteractorTest.kt b/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/notification/stack/domain/interactor/NotificationStackAppearanceInteractorTest.kt
index ffe6e6d..6dd425c 100644
--- a/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/notification/stack/domain/interactor/NotificationStackAppearanceInteractorTest.kt
+++ b/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/notification/stack/domain/interactor/NotificationStackAppearanceInteractorTest.kt
@@ -19,10 +19,10 @@
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.filters.SmallTest
 import com.android.systemui.SysuiTestCase
-import com.android.systemui.common.shared.model.NotificationContainerBounds
 import com.android.systemui.coroutines.collectLastValue
 import com.android.systemui.kosmos.Kosmos
 import com.android.systemui.kosmos.testScope
+import com.android.systemui.statusbar.notification.stack.shared.model.StackBounds
 import com.google.common.truth.Truth.assertThat
 import kotlinx.coroutines.test.runTest
 import org.junit.Test
@@ -43,19 +43,17 @@
             val stackBounds by collectLastValue(underTest.stackBounds)
 
             val bounds1 =
-                NotificationContainerBounds(
+                StackBounds(
                     top = 100f,
                     bottom = 200f,
-                    isAnimated = true,
                 )
             underTest.setStackBounds(bounds1)
             assertThat(stackBounds).isEqualTo(bounds1)
 
             val bounds2 =
-                NotificationContainerBounds(
+                StackBounds(
                     top = 200f,
                     bottom = 300f,
-                    isAnimated = false,
                 )
             underTest.setStackBounds(bounds2)
             assertThat(stackBounds).isEqualTo(bounds2)
@@ -65,7 +63,7 @@
     fun setStackBounds_withImproperBounds_throwsException() =
         testScope.runTest {
             underTest.setStackBounds(
-                NotificationContainerBounds(
+                StackBounds(
                     top = 100f,
                     bottom = 99f,
                 )
diff --git a/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/notification/stack/ui/viewmodel/NotificationsPlaceholderViewModelTest.kt b/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/notification/stack/ui/viewmodel/NotificationsPlaceholderViewModelTest.kt
index 693de55..2ccc8b4 100644
--- a/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/notification/stack/ui/viewmodel/NotificationsPlaceholderViewModelTest.kt
+++ b/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/notification/stack/ui/viewmodel/NotificationsPlaceholderViewModelTest.kt
@@ -22,6 +22,7 @@
 import com.android.systemui.common.shared.model.NotificationContainerBounds
 import com.android.systemui.keyguard.domain.interactor.keyguardInteractor
 import com.android.systemui.statusbar.notification.stack.domain.interactor.notificationStackAppearanceInteractor
+import com.android.systemui.statusbar.notification.stack.shared.model.StackBounds
 import com.android.systemui.testKosmos
 import com.google.common.truth.Truth.assertThat
 import org.junit.Test
@@ -36,9 +37,9 @@
     fun onBoundsChanged_setsNotificationContainerBounds() {
         underTest.onBoundsChanged(left = 5f, top = 5f, right = 5f, bottom = 5f)
         assertThat(kosmos.keyguardInteractor.notificationContainerBounds.value)
-            .isEqualTo(NotificationContainerBounds(left = 5f, top = 5f, right = 5f, bottom = 5f))
+            .isEqualTo(NotificationContainerBounds(top = 5f, bottom = 5f))
         assertThat(kosmos.notificationStackAppearanceInteractor.stackBounds.value)
-            .isEqualTo(NotificationContainerBounds(left = 5f, top = 5f, right = 5f, bottom = 5f))
+            .isEqualTo(StackBounds(left = 5f, top = 5f, right = 5f, bottom = 5f))
     }
     @Test
     fun onContentTopChanged_setsContentTop() {
diff --git a/packages/SystemUI/src/com/android/systemui/common/shared/model/NotificationContainerBounds.kt b/packages/SystemUI/src/com/android/systemui/common/shared/model/NotificationContainerBounds.kt
index 3063ebd..fdd98bec 100644
--- a/packages/SystemUI/src/com/android/systemui/common/shared/model/NotificationContainerBounds.kt
+++ b/packages/SystemUI/src/com/android/systemui/common/shared/model/NotificationContainerBounds.kt
@@ -18,12 +18,8 @@
 
 /** Models the bounds of the notification container. */
 data class NotificationContainerBounds(
-    /** The position of the left of the container in its window coordinate system, in pixels. */
-    val left: Float = 0f,
     /** The position of the top of the container in its window coordinate system, in pixels. */
     val top: Float = 0f,
-    /** The position of the right of the container in its window coordinate system, in pixels. */
-    val right: Float = 0f,
     /** The position of the bottom of the container in its window coordinate system, in pixels. */
     val bottom: Float = 0f,
     /** Whether any modifications to top/bottom should be smoothly animated. */
diff --git a/packages/SystemUI/src/com/android/systemui/shade/QuickSettingsControllerImpl.java b/packages/SystemUI/src/com/android/systemui/shade/QuickSettingsControllerImpl.java
index 8ba0544..8dbcead 100644
--- a/packages/SystemUI/src/com/android/systemui/shade/QuickSettingsControllerImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/shade/QuickSettingsControllerImpl.java
@@ -1280,18 +1280,20 @@
 
         mScrimController.setScrimCornerRadius(radius);
 
-        // Convert global clipping coordinates to local ones,
-        // relative to NotificationStackScrollLayout
-        int nsslLeft = calculateNsslLeft(left);
-        int nsslRight = calculateNsslRight(right);
-        int nsslTop = getNotificationsClippingTopBounds(top);
-        int nsslBottom = bottom - mNotificationStackScrollLayoutController.getTop();
-        int bottomRadius = mSplitShadeEnabled ? radius : 0;
-        // TODO (b/265193930): remove dependency on NPVC
-        int topRadius = mSplitShadeEnabled
-                && mPanelViewControllerLazy.get().isExpandingFromHeadsUp() ? 0 : radius;
-        mNotificationStackScrollLayoutController.setRoundedClippingBounds(
-                nsslLeft, nsslTop, nsslRight, nsslBottom, topRadius, bottomRadius);
+        if (!SceneContainerFlag.isEnabled()) {
+            // Convert global clipping coordinates to local ones,
+            // relative to NotificationStackScrollLayout
+            int nsslLeft = calculateNsslLeft(left);
+            int nsslRight = calculateNsslRight(right);
+            int nsslTop = getNotificationsClippingTopBounds(top);
+            int nsslBottom = bottom - mNotificationStackScrollLayoutController.getTop();
+            int bottomRadius = mSplitShadeEnabled ? radius : 0;
+            // TODO (b/265193930): remove dependency on NPVC
+            int topRadius = mSplitShadeEnabled
+                    && mPanelViewControllerLazy.get().isExpandingFromHeadsUp() ? 0 : radius;
+            mNotificationStackScrollLayoutController.setRoundedClippingBounds(
+                    nsslLeft, nsslTop, nsslRight, nsslBottom, topRadius, bottomRadius);
+        }
     }
 
     /**
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/data/repository/NotificationStackAppearanceRepository.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/data/repository/NotificationStackAppearanceRepository.kt
index 9efe632..9fffb66 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/data/repository/NotificationStackAppearanceRepository.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/data/repository/NotificationStackAppearanceRepository.kt
@@ -17,8 +17,9 @@
 
 package com.android.systemui.statusbar.notification.stack.data.repository
 
-import com.android.systemui.common.shared.model.NotificationContainerBounds
 import com.android.systemui.dagger.SysUISingleton
+import com.android.systemui.statusbar.notification.stack.shared.model.StackBounds
+import com.android.systemui.statusbar.notification.stack.shared.model.StackRounding
 import javax.inject.Inject
 import kotlinx.coroutines.flow.MutableStateFlow
 
@@ -26,7 +27,11 @@
 @SysUISingleton
 class NotificationStackAppearanceRepository @Inject constructor() {
     /** The bounds of the notification stack in the current scene. */
-    val stackBounds = MutableStateFlow(NotificationContainerBounds())
+    val stackBounds = MutableStateFlow(StackBounds())
+
+    /** The whether the corners of the notification stack should be rounded */
+    // TODO: replace with the logic from QSController
+    val stackRounding = MutableStateFlow(StackRounding(roundTop = true, roundBottom = false))
 
     /**
      * The height in px of the contents of notification stack. Depending on the number of
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/domain/interactor/NotificationStackAppearanceInteractor.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/domain/interactor/NotificationStackAppearanceInteractor.kt
index 08df473..5a56ca1 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/domain/interactor/NotificationStackAppearanceInteractor.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/domain/interactor/NotificationStackAppearanceInteractor.kt
@@ -17,9 +17,10 @@
 
 package com.android.systemui.statusbar.notification.stack.domain.interactor
 
-import com.android.systemui.common.shared.model.NotificationContainerBounds
 import com.android.systemui.dagger.SysUISingleton
 import com.android.systemui.statusbar.notification.stack.data.repository.NotificationStackAppearanceRepository
+import com.android.systemui.statusbar.notification.stack.shared.model.StackBounds
+import com.android.systemui.statusbar.notification.stack.shared.model.StackRounding
 import javax.inject.Inject
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.StateFlow
@@ -33,7 +34,10 @@
     private val repository: NotificationStackAppearanceRepository,
 ) {
     /** The bounds of the notification stack in the current scene. */
-    val stackBounds: StateFlow<NotificationContainerBounds> = repository.stackBounds.asStateFlow()
+    val stackBounds: StateFlow<StackBounds> = repository.stackBounds.asStateFlow()
+
+    /** The rounding of the notification stack. */
+    val stackRounding: StateFlow<StackRounding> = repository.stackRounding.asStateFlow()
 
     /**
      * The height in px of the contents of notification stack. Depending on the number of
@@ -59,7 +63,7 @@
     val syntheticScroll: Flow<Float> = repository.syntheticScroll.asStateFlow()
 
     /** Sets the position of the notification stack in the current scene. */
-    fun setStackBounds(bounds: NotificationContainerBounds) {
+    fun setStackBounds(bounds: StackBounds) {
         check(bounds.top <= bounds.bottom) { "Invalid bounds: $bounds" }
         repository.stackBounds.value = bounds
     }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/shared/model/StackBounds.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/shared/model/StackBounds.kt
new file mode 100644
index 0000000..1fc9a18
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/shared/model/StackBounds.kt
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2024 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.
+ */
+
+package com.android.systemui.statusbar.notification.stack.shared.model
+
+/** Models the bounds of the notification stack. */
+data class StackBounds(
+    /** The position of the left of the stack in its window coordinate system, in pixels. */
+    val left: Float = 0f,
+    /** The position of the top of the stack in its window coordinate system, in pixels. */
+    val top: Float = 0f,
+    /** The position of the right of the stack in its window coordinate system, in pixels. */
+    val right: Float = 0f,
+    /** The position of the bottom of the stack in its window coordinate system, in pixels. */
+    val bottom: Float = 0f,
+) {
+    /** The current height of the notification container. */
+    val height: Float = bottom - top
+}
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/shared/model/StackClipping.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/shared/model/StackClipping.kt
new file mode 100644
index 0000000..0c92b50
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/shared/model/StackClipping.kt
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) 2024 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.
+ */
+
+package com.android.systemui.statusbar.notification.stack.shared.model
+
+/** Models the clipping rounded rectangle of the notification stack */
+data class StackClipping(val bounds: StackBounds, val rounding: StackRounding)
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/shared/model/StackRounding.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/shared/model/StackRounding.kt
new file mode 100644
index 0000000..ddc5d7ea
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/shared/model/StackRounding.kt
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2024 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.
+ */
+
+package com.android.systemui.statusbar.notification.stack.shared.model
+
+/** Models the corner rounds of the notification stack. */
+data class StackRounding(
+    /** Whether the top corners of the notification stack should be rounded. */
+    val roundTop: Boolean = false,
+    /** Whether the bottom corners of the notification stack should be rounded. */
+    val roundBottom: Boolean = false,
+)
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/ui/viewbinder/NotificationStackAppearanceViewBinder.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/ui/viewbinder/NotificationStackAppearanceViewBinder.kt
index f10e5f1..189c5e0 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/ui/viewbinder/NotificationStackAppearanceViewBinder.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/ui/viewbinder/NotificationStackAppearanceViewBinder.kt
@@ -47,16 +47,17 @@
         return view.repeatWhenAttached(mainImmediateDispatcher) {
             repeatOnLifecycle(Lifecycle.State.CREATED) {
                 launch {
-                    viewModel.stackBounds.collect { bounds ->
+                    viewModel.stackClipping.collect { (bounds, rounding) ->
                         val viewLeft = controller.view.left
                         val viewTop = controller.view.top
+                        val roundRadius = SCRIM_CORNER_RADIUS.dpToPx(context)
                         controller.setRoundedClippingBounds(
                             bounds.left.roundToInt() - viewLeft,
                             bounds.top.roundToInt() - viewTop,
                             bounds.right.roundToInt() - viewLeft,
                             bounds.bottom.roundToInt() - viewTop,
-                            SCRIM_CORNER_RADIUS.dpToPx(context),
-                            0,
+                            if (rounding.roundTop) roundRadius else 0,
+                            if (rounding.roundBottom) roundRadius else 0,
                         )
                     }
                 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/ui/viewmodel/NotificationStackAppearanceViewModel.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/ui/viewmodel/NotificationStackAppearanceViewModel.kt
index b6167e1..a7cbc33 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/ui/viewmodel/NotificationStackAppearanceViewModel.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/ui/viewmodel/NotificationStackAppearanceViewModel.kt
@@ -18,7 +18,6 @@
 package com.android.systemui.statusbar.notification.stack.ui.viewmodel
 
 import com.android.compose.animation.scene.ObservableTransitionState
-import com.android.systemui.common.shared.model.NotificationContainerBounds
 import com.android.systemui.dagger.SysUISingleton
 import com.android.systemui.dagger.qualifiers.Application
 import com.android.systemui.dump.DumpManager
@@ -27,6 +26,7 @@
 import com.android.systemui.scene.shared.model.Scenes.Shade
 import com.android.systemui.shade.domain.interactor.ShadeInteractor
 import com.android.systemui.statusbar.notification.stack.domain.interactor.NotificationStackAppearanceInteractor
+import com.android.systemui.statusbar.notification.stack.shared.model.StackClipping
 import com.android.systemui.util.kotlin.FlowDumperImpl
 import javax.inject.Inject
 import kotlinx.coroutines.CoroutineScope
@@ -83,8 +83,13 @@
             .dumpWhileCollecting("expandFraction")
 
     /** The bounds of the notification stack in the current scene. */
-    val stackBounds: Flow<NotificationContainerBounds> =
-        stackAppearanceInteractor.stackBounds.dumpValue("stackBounds")
+    val stackClipping: Flow<StackClipping> =
+        combine(
+                stackAppearanceInteractor.stackBounds,
+                stackAppearanceInteractor.stackRounding,
+                ::StackClipping
+            )
+            .dumpWhileCollecting("stackClipping")
 
     /** The y-coordinate in px of top of the contents of the notification stack. */
     val contentTop: StateFlow<Float> = stackAppearanceInteractor.contentTop.dumpValue("contentTop")
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/ui/viewmodel/NotificationsPlaceholderViewModel.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/ui/viewmodel/NotificationsPlaceholderViewModel.kt
index 9e2497d..ed44f20 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/ui/viewmodel/NotificationsPlaceholderViewModel.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/ui/viewmodel/NotificationsPlaceholderViewModel.kt
@@ -24,8 +24,11 @@
 import com.android.systemui.scene.shared.flag.SceneContainerFlags
 import com.android.systemui.shade.domain.interactor.ShadeInteractor
 import com.android.systemui.statusbar.notification.stack.domain.interactor.NotificationStackAppearanceInteractor
+import com.android.systemui.statusbar.notification.stack.shared.model.StackBounds
+import com.android.systemui.statusbar.notification.stack.shared.model.StackRounding
 import javax.inject.Inject
 import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.StateFlow
 
 /**
  * ViewModel used by the Notification placeholders inside the scene container to update the
@@ -61,12 +64,17 @@
         right: Float,
         bottom: Float,
     ) {
-        val notificationContainerBounds =
-            NotificationContainerBounds(top = top, bottom = bottom, left = left, right = right)
-        keyguardInteractor.setNotificationContainerBounds(notificationContainerBounds)
-        interactor.setStackBounds(notificationContainerBounds)
+        keyguardInteractor.setNotificationContainerBounds(
+            NotificationContainerBounds(top = top, bottom = bottom)
+        )
+        interactor.setStackBounds(
+            StackBounds(top = top, bottom = bottom, left = left, right = right)
+        )
     }
 
+    /** Corner rounding of the stack */
+    val stackRounding: StateFlow<StackRounding> = interactor.stackRounding
+
     /**
      * The height in px of the contents of notification stack. Depending on the number of
      * notifications, this can exceed the space available on screen to show notifications, at which