diff --git a/proguard.flags b/proguard.flags
index a450183..53a68de 100644
--- a/proguard.flags
+++ b/proguard.flags
@@ -2,10 +2,6 @@
   *;
 }
 
--keep class com.android.launcher3.graphics.ShadowDrawable {
-  public <init>(...);
-}
-
 # The support library contains references to newer platform versions.
 # Don't warn about those in case this app is linking against an older
 # platform version.  We know about them, and they are safe.
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java
index ea15acb..dbf9759 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java
@@ -314,10 +314,10 @@
                 int qsbEnd;
                 if (layoutRtl) {
                     qsbStart = iconEnd + mItemMarginLeftRight;
-                    qsbEnd = qsbStart + deviceProfile.qsbWidth;
+                    qsbEnd = qsbStart + deviceProfile.hotseatQsbWidth;
                 } else {
                     qsbEnd = iconEnd - mItemMarginLeftRight;
-                    qsbStart = qsbEnd - deviceProfile.qsbWidth;
+                    qsbStart = qsbEnd - deviceProfile.hotseatQsbWidth;
                 }
                 int qsbTop = (bottom - top - deviceProfile.hotseatQsbHeight) / 2;
                 int qsbBottom = qsbTop + deviceProfile.hotseatQsbHeight;
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
index 0f6de73..929dc20 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
@@ -295,10 +295,11 @@
                 boolean isRtl = Utilities.isRtl(child.getResources());
                 float hotseatIconCenter = isRtl
                         ? launcherDp.widthPx - hotseatPadding.right + borderSpacing
-                        + launcherDp.qsbWidth / 2f
-                        : hotseatPadding.left - borderSpacing - launcherDp.qsbWidth / 2f;
+                        + launcherDp.hotseatQsbWidth / 2f
+                        : hotseatPadding.left - borderSpacing - launcherDp.hotseatQsbWidth / 2f;
                 float childCenter = (child.getLeft() + child.getRight()) / 2f;
-                float halfQsbIconWidthDiff = (launcherDp.qsbWidth - taskbarDp.iconSizePx) / 2f;
+                float halfQsbIconWidthDiff =
+                        (launcherDp.hotseatQsbWidth - taskbarDp.iconSizePx) / 2f;
                 setter.addFloat(child, ICON_TRANSLATE_X,
                         isRtl ? -halfQsbIconWidthDiff : halfQsbIconWidthDiff,
                         hotseatIconCenter - childCenter, LINEAR);
@@ -312,7 +313,7 @@
                                 : Interpolators.clampToProgress(LINEAR, 0.84f, 1f));
                 setter.addOnFrameListener(animator -> AlphaUpdateListener.updateVisibility(child));
 
-                float qsbInsetFraction = halfQsbIconWidthDiff / launcherDp.qsbWidth;
+                float qsbInsetFraction = halfQsbIconWidthDiff / launcherDp.hotseatQsbWidth;
                 if (child instanceof  HorizontalInsettableView) {
                     setter.addFloat((HorizontalInsettableView) child,
                             HorizontalInsettableView.HORIZONTAL_INSETS, qsbInsetFraction, 0,
diff --git a/quickstep/tests/src/com/android/quickstep/DeviceProfileTest.kt b/quickstep/tests/src/com/android/quickstep/DeviceProfileTest.kt
index 1208a2a..b50d3ee 100644
--- a/quickstep/tests/src/com/android/quickstep/DeviceProfileTest.kt
+++ b/quickstep/tests/src/com/android/quickstep/DeviceProfileTest.kt
@@ -110,7 +110,7 @@
                 "\tnumShownHotseatIcons: 4\n" +
                 "\thotseatBorderSpace: 95.0px (36.190475dp)\n" +
                 "\tisQsbInline: false\n" +
-                "\tqsbWidth: 913.0px (347.8095dp)\n" +
+                "\thotseatQsbWidth: 913.0px (347.8095dp)\n" +
                 "\tisTaskbarPresent:false\n" +
                 "\tisTaskbarPresentInApps:false\n" +
                 "\ttaskbarSize: 0.0px (0.0dp)\n" +
@@ -229,7 +229,7 @@
                 "\tnumShownHotseatIcons: 4\n" +
                 "\thotseatBorderSpace: 95.0px (36.190475dp)\n" +
                 "\tisQsbInline: false\n" +
-                "\tqsbWidth: 913.0px (347.8095dp)\n" +
+                "\thotseatQsbWidth: 913.0px (347.8095dp)\n" +
                 "\tisTaskbarPresent:false\n" +
                 "\tisTaskbarPresentInApps:false\n" +
                 "\ttaskbarSize: 0.0px (0.0dp)\n" +
@@ -349,7 +349,7 @@
                 "\tnumShownHotseatIcons: 5\n" +
                 "\thotseatBorderSpace: 101.0px (50.5dp)\n" +
                 "\tisQsbInline: true\n" +
-                "\tqsbWidth: 855.0px (427.5dp)\n" +
+                "\thotseatQsbWidth: 855.0px (427.5dp)\n" +
                 "\tisTaskbarPresent:true\n" +
                 "\tisTaskbarPresentInApps:true\n" +
                 "\ttaskbarSize: 120.0px (60.0dp)\n" +
@@ -469,7 +469,7 @@
                 "\tnumShownHotseatIcons: 6\n" +
                 "\thotseatBorderSpace: 100.0px (50.0dp)\n" +
                 "\tisQsbInline: true\n" +
-                "\tqsbWidth: 640.0px (320.0dp)\n" +
+                "\thotseatQsbWidth: 640.0px (320.0dp)\n" +
                 "\tisTaskbarPresent:true\n" +
                 "\tisTaskbarPresentInApps:true\n" +
                 "\ttaskbarSize: 120.0px (60.0dp)\n" +
@@ -560,8 +560,8 @@
                 "\tfolderCellLayoutBorderSpacePx Horizontal: 0.0px (0.0dp)\n" +
                 "\tfolderCellLayoutBorderSpacePx Vertical: 0.0px (0.0dp)\n" +
                 "\tbottomSheetTopPadding: 704.0px (352.0dp)\n" +
-                "\tallAppsShiftRange: 1856.0px (928.0dp)\n" +
-                "\tallAppsTopPadding: 704.0px (352.0dp)\n" +
+                "\tallAppsShiftRange: 1936.0px (968.0dp)\n" +
+                "\tallAppsTopPadding: 624.0px (312.0dp)\n" +
                 "\tallAppsIconSizePx: 120.0px (60.0dp)\n" +
                 "\tallAppsIconTextSizePx: 28.0px (14.0dp)\n" +
                 "\tallAppsIconDrawablePaddingPx: 14.0px (7.0dp)\n" +
@@ -589,7 +589,7 @@
                 "\tnumShownHotseatIcons: 5\n" +
                 "\thotseatBorderSpace: 116.0px (58.0dp)\n" +
                 "\tisQsbInline: false\n" +
-                "\tqsbWidth: 1300.0px (650.0dp)\n" +
+                "\thotseatQsbWidth: 1300.0px (650.0dp)\n" +
                 "\tisTaskbarPresent:true\n" +
                 "\tisTaskbarPresentInApps:true\n" +
                 "\ttaskbarSize: 120.0px (60.0dp)\n" +
@@ -680,8 +680,8 @@
                 "\tfolderCellLayoutBorderSpacePx Horizontal: 0.0px (0.0dp)\n" +
                 "\tfolderCellLayoutBorderSpacePx Vertical: 0.0px (0.0dp)\n" +
                 "\tbottomSheetTopPadding: 704.0px (352.0dp)\n" +
-                "\tallAppsShiftRange: 1856.0px (928.0dp)\n" +
-                "\tallAppsTopPadding: 704.0px (352.0dp)\n" +
+                "\tallAppsShiftRange: 1936.0px (968.0dp)\n" +
+                "\tallAppsTopPadding: 624.0px (312.0dp)\n" +
                 "\tallAppsIconSizePx: 120.0px (60.0dp)\n" +
                 "\tallAppsIconTextSizePx: 28.0px (14.0dp)\n" +
                 "\tallAppsIconDrawablePaddingPx: 14.0px (7.0dp)\n" +
@@ -709,7 +709,7 @@
                 "\tnumShownHotseatIcons: 6\n" +
                 "\thotseatBorderSpace: 116.0px (58.0dp)\n" +
                 "\tisQsbInline: false\n" +
-                "\tqsbWidth: 1300.0px (650.0dp)\n" +
+                "\thotseatQsbWidth: 1300.0px (650.0dp)\n" +
                 "\tisTaskbarPresent:true\n" +
                 "\tisTaskbarPresentInApps:true\n" +
                 "\ttaskbarSize: 120.0px (60.0dp)\n" +
@@ -829,7 +829,7 @@
                 "\tnumShownHotseatIcons: 6\n" +
                 "\thotseatBorderSpace: 61.0px (23.238094dp)\n" +
                 "\tisQsbInline: false\n" +
-                "\tqsbWidth: 1467.0px (558.8571dp)\n" +
+                "\thotseatQsbWidth: 1467.0px (558.8571dp)\n" +
                 "\tisTaskbarPresent:true\n" +
                 "\tisTaskbarPresentInApps:true\n" +
                 "\ttaskbarSize: 158.0px (60.190475dp)\n" +
@@ -949,7 +949,7 @@
                 "\tnumShownHotseatIcons: 6\n" +
                 "\thotseatBorderSpace: 105.0px (40.0dp)\n" +
                 "\tisQsbInline: false\n" +
-                "\tqsbWidth: 1467.0px (558.8571dp)\n" +
+                "\thotseatQsbWidth: 1467.0px (558.8571dp)\n" +
                 "\tisTaskbarPresent:true\n" +
                 "\tisTaskbarPresentInApps:true\n" +
                 "\ttaskbarSize: 158.0px (60.190475dp)\n" +
@@ -1069,7 +1069,7 @@
                 "\tnumShownHotseatIcons: 6\n" +
                 "\thotseatBorderSpace: 47.0px (17.904762dp)\n" +
                 "\tisQsbInline: false\n" +
-                "\tqsbWidth: 1236.0px (470.85715dp)\n" +
+                "\thotseatQsbWidth: 1236.0px (470.85715dp)\n" +
                 "\tisTaskbarPresent:true\n" +
                 "\tisTaskbarPresentInApps:true\n" +
                 "\ttaskbarSize: 158.0px (60.190475dp)\n" +
@@ -1189,7 +1189,7 @@
                 "\tnumShownHotseatIcons: 6\n" +
                 "\thotseatBorderSpace: 84.0px (32.0dp)\n" +
                 "\tisQsbInline: false\n" +
-                "\tqsbWidth: 1236.0px (470.85715dp)\n" +
+                "\thotseatQsbWidth: 1236.0px (470.85715dp)\n" +
                 "\tisTaskbarPresent:true\n" +
                 "\tisTaskbarPresentInApps:true\n" +
                 "\ttaskbarSize: 158.0px (60.190475dp)\n" +
@@ -1308,7 +1308,7 @@
                 "\tnumShownHotseatIcons: 4\n" +
                 "\thotseatBorderSpace: 0.0px (0.0dp)\n" +
                 "\tisQsbInline: false\n" +
-                "\tqsbWidth: 1525.0px (580.9524dp)\n" +
+                "\thotseatQsbWidth: 1525.0px (580.9524dp)\n" +
                 "\tisTaskbarPresent:false\n" +
                 "\tisTaskbarPresentInApps:false\n" +
                 "\ttaskbarSize: 0.0px (0.0dp)\n" +
@@ -1427,7 +1427,7 @@
                 "\tnumShownHotseatIcons: 4\n" +
                 "\thotseatBorderSpace: 0.0px (0.0dp)\n" +
                 "\tisQsbInline: false\n" +
-                "\tqsbWidth: 1621.0px (617.5238dp)\n" +
+                "\thotseatQsbWidth: 1621.0px (617.5238dp)\n" +
                 "\tisTaskbarPresent:false\n" +
                 "\tisTaskbarPresentInApps:false\n" +
                 "\ttaskbarSize: 0.0px (0.0dp)\n" +
diff --git a/res/drawable/ic_block_shadow.xml b/res/drawable/ic_block_shadow.xml
deleted file mode 100644
index 045fe8d..0000000
--- a/res/drawable/ic_block_shadow.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2020 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.
--->
-<com.android.launcher3.graphics.ShadowDrawable
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:src="@drawable/ic_block_no_shadow"
-    android:elevation="@dimen/drop_target_shadow_elevation" />
diff --git a/res/drawable/ic_remove_shadow.xml b/res/drawable/ic_remove_shadow.xml
deleted file mode 100644
index 48abc10..0000000
--- a/res/drawable/ic_remove_shadow.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2017 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.
--->
-<com.android.launcher3.graphics.ShadowDrawable
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:src="@drawable/ic_remove_no_shadow"
-    android:elevation="@dimen/drop_target_shadow_elevation" />
diff --git a/res/drawable/ic_setup_shadow.xml b/res/drawable/ic_setup_shadow.xml
deleted file mode 100644
index 10aeee6..0000000
--- a/res/drawable/ic_setup_shadow.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2017 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.
--->
-<com.android.launcher3.graphics.ShadowDrawable
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:src="@drawable/ic_setting"
-    android:elevation="@dimen/drop_target_shadow_elevation" />
diff --git a/res/drawable/ic_uninstall_shadow.xml b/res/drawable/ic_uninstall_shadow.xml
deleted file mode 100644
index b441b0e..0000000
--- a/res/drawable/ic_uninstall_shadow.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2017 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.
--->
-<com.android.launcher3.graphics.ShadowDrawable
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:src="@drawable/ic_uninstall_no_shadow"
-    android:elevation="@dimen/drop_target_shadow_elevation" />
diff --git a/src/com/android/launcher3/CellLayout.java b/src/com/android/launcher3/CellLayout.java
index 52960a9..9f3e1fa 100644
--- a/src/com/android/launcher3/CellLayout.java
+++ b/src/com/android/launcher3/CellLayout.java
@@ -496,8 +496,8 @@
 
                     // Draw reorder drag target.
                     debugPaint.setColor(Color.RED);
-                    canvas.drawCircle(cellCenter[0], cellCenter[1], getReorderRadius(targetCell),
-                            debugPaint);
+                    canvas.drawCircle(cellCenter[0], cellCenter[1],
+                            getReorderRadius(targetCell, 1, 1), debugPaint);
 
                     // Draw folder creation drag target.
                     if (canCreateFolder) {
@@ -912,18 +912,18 @@
         DeviceProfile grid = mActivity.getDeviceProfile();
         float iconVisibleRadius = ICON_VISIBLE_AREA_FACTOR * grid.iconSizePx / 2;
         // Halfway between reorder radius and icon.
-        return (getReorderRadius(targetCell) + iconVisibleRadius) / 2;
+        return (getReorderRadius(targetCell, 1, 1) + iconVisibleRadius) / 2;
     }
 
     /**
      * Returns the max distance from the center of a cell that will start to reorder on drag over.
      */
-    public float getReorderRadius(int[] targetCell) {
+    public float getReorderRadius(int[] targetCell, int spanX, int spanY) {
         int[] centerPoint = mTmpPoint;
         getWorkspaceCellVisualCenter(targetCell[0], targetCell[1], centerPoint);
 
         Rect cellBoundsWithSpacing = mTempRect;
-        cellToRect(targetCell[0], targetCell[1], 1, 1, cellBoundsWithSpacing);
+        cellToRect(targetCell[0], targetCell[1], spanX, spanY, cellBoundsWithSpacing);
         cellBoundsWithSpacing.inset(-mBorderSpace.x / 2, -mBorderSpace.y / 2);
 
         if (canCreateFolder(getChildAt(targetCell[0], targetCell[1]))) {
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index 366d372..0d41230 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -23,24 +23,25 @@
 import static com.android.launcher3.Utilities.dpiFromPx;
 import static com.android.launcher3.Utilities.pxFromSp;
 import static com.android.launcher3.folder.ClippedFolderIconLayoutRule.ICON_OVERLAP_FACTOR;
+import static com.android.launcher3.icons.GraphicsUtils.getShapePath;
 import static com.android.launcher3.testing.shared.ResourceUtils.pxFromDp;
 
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.res.Configuration;
 import android.content.res.Resources;
-import android.graphics.Path;
 import android.graphics.Point;
 import android.graphics.PointF;
 import android.graphics.Rect;
 import android.util.DisplayMetrics;
+import android.util.SparseArray;
 import android.view.Surface;
 
+import androidx.annotation.NonNull;
+
 import com.android.launcher3.CellLayout.ContainerType;
 import com.android.launcher3.DevicePaddings.DevicePadding;
-import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.icons.DotRenderer;
-import com.android.launcher3.icons.GraphicsUtils;
 import com.android.launcher3.icons.IconNormalizer;
 import com.android.launcher3.uioverrides.ApiWrapper;
 import com.android.launcher3.util.DisplayController;
@@ -54,6 +55,8 @@
 public class DeviceProfile {
 
     private static final int DEFAULT_DOT_SIZE = 100;
+    private static final float ALL_APPS_TABLET_MAX_ROWS = 5.5f;
+
     // Ratio of empty space, qsb should take up to appear visually centered.
     private final float mQsbCenterFactor;
 
@@ -167,13 +170,12 @@
     // Start is the side next to the nav bar, end is the side next to the workspace
     public final int hotseatBarSidePaddingStartPx;
     public final int hotseatBarSidePaddingEndPx;
+    public int hotseatQsbWidth; // only used when isQsbInline
     public final int hotseatQsbHeight;
     public final int hotseatQsbVisualHeight;
     private final int hotseatQsbShadowHeight;
     public int hotseatBorderSpace;
 
-    public int qsbWidth; // only used when isQsbInline
-
     // All apps
     public Point allAppsBorderSpacePx;
     public int allAppsShiftRange;
@@ -222,8 +224,8 @@
     private boolean mIsSeascape;
 
     // Notification dots
-    public DotRenderer mDotRendererWorkSpace;
-    public DotRenderer mDotRendererAllApps;
+    public final DotRenderer mDotRendererWorkSpace;
+    public final DotRenderer mDotRendererAllApps;
 
     // Taskbar
     public boolean isTaskbarPresent;
@@ -237,8 +239,8 @@
 
     /** TODO: Once we fully migrate to staged split, remove "isMultiWindowMode" */
     DeviceProfile(Context context, InvariantDeviceProfile inv, Info info, WindowBounds windowBounds,
-            boolean isMultiWindowMode, boolean transposeLayoutWithOrientation,
-            boolean useTwoPanels, boolean isGestureMode) {
+            SparseArray<DotRenderer> dotRendererCache, boolean isMultiWindowMode,
+            boolean transposeLayoutWithOrientation, boolean useTwoPanels, boolean isGestureMode) {
 
         this.inv = inv;
         this.isLandscape = windowBounds.isLandscape();
@@ -309,10 +311,6 @@
                 + res.getDimensionPixelSize(R.dimen.bottom_sheet_extra_top_padding)
                 + (isTablet ? 0 : edgeMarginPx); // phones need edgeMarginPx additional padding
 
-        allAppsTopPadding = isTablet ? bottomSheetTopPadding : 0;
-        allAppsShiftRange = isTablet
-                ? heightPx - allAppsTopPadding
-                : res.getDimensionPixelSize(R.dimen.all_apps_starting_vertical_translate);
         folderLabelTextScale = res.getFloat(R.dimen.folder_label_text_scale);
         folderContentPaddingLeftRight =
                 res.getDimensionPixelSize(R.dimen.folder_content_padding_left_right);
@@ -463,16 +461,38 @@
 
         // Hotseat and QSB width depends on updated cellSize and workspace padding
         hotseatBorderSpace = calculateHotseatBorderSpace();
-        qsbWidth = calculateQsbWidth();
+        hotseatQsbWidth = calculateQsbWidth();
+
+        // AllApps height calculation depends on updated cellSize
+        if (isTablet) {
+            int collapseHandleHeight =
+                    res.getDimensionPixelOffset(R.dimen.bottom_sheet_handle_area_height);
+            int contentHeight = heightPx - collapseHandleHeight - hotseatQsbHeight;
+            int targetContentHeight = (int) (allAppsCellHeightPx * ALL_APPS_TABLET_MAX_ROWS);
+            allAppsTopPadding = Math.max(mInsets.top, contentHeight - targetContentHeight);
+            allAppsShiftRange = heightPx - allAppsTopPadding;
+        } else {
+            allAppsTopPadding = 0;
+            allAppsShiftRange =
+                    res.getDimensionPixelSize(R.dimen.all_apps_starting_vertical_translate);
+        }
 
         flingToDeleteThresholdVelocity = res.getDimensionPixelSize(
                 R.dimen.drag_flingToDeleteMinVelocity);
 
         // This is done last, after iconSizePx is calculated above.
-        Path dotPath = GraphicsUtils.getShapePath(DEFAULT_DOT_SIZE);
-        mDotRendererWorkSpace = new DotRenderer(iconSizePx, dotPath, DEFAULT_DOT_SIZE);
-        mDotRendererAllApps = iconSizePx == allAppsIconSizePx ? mDotRendererWorkSpace :
-                new DotRenderer(allAppsIconSizePx, dotPath, DEFAULT_DOT_SIZE);
+        mDotRendererWorkSpace = createDotRenderer(iconSizePx, dotRendererCache);
+        mDotRendererAllApps = createDotRenderer(allAppsIconSizePx, dotRendererCache);
+    }
+
+    private static DotRenderer createDotRenderer(
+            int size, @NonNull SparseArray<DotRenderer> cache) {
+        DotRenderer renderer = cache.get(size);
+        if (renderer == null) {
+            renderer = new DotRenderer(size, getShapePath(DEFAULT_DOT_SIZE), DEFAULT_DOT_SIZE);
+            cache.put(size, renderer);
+        }
+        return renderer;
     }
 
     /**
@@ -566,10 +586,16 @@
                 widthPx, heightPx, availableWidthPx, availableHeightPx, rotationHint);
         bounds.bounds.offsetTo(windowX, windowY);
         bounds.insets.set(mInsets);
+
+        SparseArray<DotRenderer> dotRendererCache = new SparseArray<>();
+        dotRendererCache.put(iconSizePx, mDotRendererWorkSpace);
+        dotRendererCache.put(allAppsIconSizePx, mDotRendererAllApps);
+
         return new Builder(context, inv, mInfo)
                 .setWindowBounds(bounds)
                 .setUseTwoPanels(isTwoPanels)
                 .setMultiWindowMode(isMultiWindowMode)
+                .setDotRendererCache(dotRendererCache)
                 .setGestureMode(isGestureMode);
     }
 
@@ -1052,7 +1078,7 @@
                     hotseatBarSizePx - hotseatBarBottomPadding - hotseatCellHeightPx;
 
             // Push icons to the side
-            int additionalQsbSpace = isQsbInline ? qsbWidth + hotseatBorderSpace : 0;
+            int additionalQsbSpace = isQsbInline ? hotseatQsbWidth + hotseatBorderSpace : 0;
             int requiredWidth = iconSizePx * numShownHotseatIcons
                     + hotseatBorderSpace * (numShownHotseatIcons - 1)
                     + additionalQsbSpace;
@@ -1077,7 +1103,7 @@
                 hotseatBarPadding.right += diff;
             }
         } else if (isScalableGrid) {
-            int sideSpacing = (availableWidthPx - qsbWidth) / 2;
+            int sideSpacing = (availableWidthPx - hotseatQsbWidth) / 2;
             hotseatBarPadding.set(sideSpacing,
                     0,
                     sideSpacing,
@@ -1350,7 +1376,7 @@
         writer.println(prefix + "\tnumShownHotseatIcons: " + numShownHotseatIcons);
         writer.println(prefix + pxToDpStr("hotseatBorderSpace", hotseatBorderSpace));
         writer.println(prefix + "\tisQsbInline: " + isQsbInline);
-        writer.println(prefix + pxToDpStr("qsbWidth", qsbWidth));
+        writer.println(prefix + pxToDpStr("hotseatQsbWidth", hotseatQsbWidth));
 
         writer.println(prefix + "\tisTaskbarPresent:" + isTaskbarPresent);
         writer.println(prefix + "\tisTaskbarPresentInApps:" + isTaskbarPresentInApps);
@@ -1474,6 +1500,8 @@
         private Boolean mTransposeLayoutWithOrientation;
         private Boolean mIsGestureMode;
 
+        private SparseArray<DotRenderer> mDotRendererCache;
+
         public Builder(Context context, InvariantDeviceProfile inv, Info info) {
             mContext = context;
             mInv = inv;
@@ -1490,6 +1518,10 @@
             return this;
         }
 
+        public Builder setDotRendererCache(SparseArray<DotRenderer> dotRendererCache) {
+            mDotRendererCache = dotRendererCache;
+            return this;
+        }
 
         public Builder setWindowBounds(WindowBounds bounds) {
             mWindowBounds = bounds;
@@ -1516,8 +1548,12 @@
             if (mIsGestureMode == null) {
                 mIsGestureMode = DisplayController.getNavigationMode(mContext).hasGestures;
             }
-            return new DeviceProfile(mContext, mInv, mInfo, mWindowBounds, mIsMultiWindowMode,
-                    mTransposeLayoutWithOrientation, mUseTwoPanels, mIsGestureMode);
+            if (mDotRendererCache == null) {
+                mDotRendererCache = new SparseArray<>();
+            }
+            return new DeviceProfile(mContext, mInv, mInfo, mWindowBounds, mDotRendererCache,
+                    mIsMultiWindowMode, mTransposeLayoutWithOrientation, mUseTwoPanels,
+                    mIsGestureMode);
         }
     }
 
diff --git a/src/com/android/launcher3/Hotseat.java b/src/com/android/launcher3/Hotseat.java
index 05ed319..bf492a9 100644
--- a/src/com/android/launcher3/Hotseat.java
+++ b/src/com/android/launcher3/Hotseat.java
@@ -47,7 +47,6 @@
     private Consumer<Boolean> mOnVisibilityAggregatedCallback;
 
     private final View mQsb;
-    private final int mQsbHeight;
 
     public Hotseat(Context context) {
         this(context, null);
@@ -62,8 +61,6 @@
 
         mQsb = LayoutInflater.from(context).inflate(R.layout.search_container_hotseat, this, false);
         addView(mQsb);
-
-        mQsbHeight = getResources().getDimensionPixelSize(R.dimen.qsb_widget_height);
     }
 
     /**
@@ -171,29 +168,29 @@
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
         super.onMeasure(widthMeasureSpec, heightMeasureSpec);
 
-        int qsbWidth = mActivity.getDeviceProfile().qsbWidth;
-
-        mQsb.measure(MeasureSpec.makeMeasureSpec(qsbWidth, MeasureSpec.EXACTLY),
-                MeasureSpec.makeMeasureSpec(mQsbHeight, MeasureSpec.EXACTLY));
+        DeviceProfile dp = mActivity.getDeviceProfile();
+        mQsb.measure(MeasureSpec.makeMeasureSpec(dp.hotseatQsbWidth, MeasureSpec.EXACTLY),
+                MeasureSpec.makeMeasureSpec(dp.hotseatQsbHeight, MeasureSpec.EXACTLY));
     }
 
     @Override
     protected void onLayout(boolean changed, int l, int t, int r, int b) {
         super.onLayout(changed, l, t, r, b);
 
-        int qsbWidth = mQsb.getMeasuredWidth();
+        int qsbMeasuredWidth = mQsb.getMeasuredWidth();
         int left;
-        if (mActivity.getDeviceProfile().isQsbInline) {
-            int qsbSpace = mActivity.getDeviceProfile().hotseatBorderSpace;
+        DeviceProfile dp = mActivity.getDeviceProfile();
+        if (dp.isQsbInline) {
+            int qsbSpace = dp.hotseatBorderSpace;
             left = Utilities.isRtl(getResources()) ? r - getPaddingRight() + qsbSpace
-                    : l + getPaddingLeft() - qsbWidth - qsbSpace;
+                    : l + getPaddingLeft() - qsbMeasuredWidth - qsbSpace;
         } else {
-            left = (r - l - qsbWidth) / 2;
+            left = (r - l - qsbMeasuredWidth) / 2;
         }
-        int right = left + qsbWidth;
+        int right = left + qsbMeasuredWidth;
 
-        int bottom = b - t - mActivity.getDeviceProfile().getQsbOffsetY();
-        int top = bottom - mQsbHeight;
+        int bottom = b - t - dp.getQsbOffsetY();
+        int top = bottom - dp.hotseatQsbHeight;
         mQsb.layout(left, top, right, bottom);
     }
 
diff --git a/src/com/android/launcher3/InvariantDeviceProfile.java b/src/com/android/launcher3/InvariantDeviceProfile.java
index 9b01734..67620e3 100644
--- a/src/com/android/launcher3/InvariantDeviceProfile.java
+++ b/src/com/android/launcher3/InvariantDeviceProfile.java
@@ -48,6 +48,7 @@
 import androidx.annotation.VisibleForTesting;
 import androidx.core.content.res.ResourcesCompat;
 
+import com.android.launcher3.icons.DotRenderer;
 import com.android.launcher3.model.DeviceGridState;
 import com.android.launcher3.provider.RestoreDbTask;
 import com.android.launcher3.testing.shared.ResourceUtils;
@@ -396,10 +397,12 @@
 
         final List<DeviceProfile> localSupportedProfiles = new ArrayList<>();
         defaultWallpaperSize = new Point(displayInfo.currentSize);
+        SparseArray<DotRenderer> dotRendererCache = new SparseArray<>();
         for (WindowBounds bounds : displayInfo.supportedBounds) {
             localSupportedProfiles.add(new DeviceProfile.Builder(context, this, displayInfo)
                     .setUseTwoPanels(deviceType == TYPE_MULTI_DISPLAY)
                     .setWindowBounds(bounds)
+                    .setDotRendererCache(dotRendererCache)
                     .build());
 
             // Wallpaper size should be the maximum of the all possible sizes Launcher expects
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 83d0752..2bc5e64 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -2424,7 +2424,8 @@
         } else if ((mDragMode == DRAG_MODE_NONE || mDragMode == DRAG_MODE_REORDER)
                 && !mReorderAlarm.alarmPending()
                 && (mLastReorderX != reorderX || mLastReorderY != reorderY)
-                && targetCellDistance < mDragTargetLayout.getReorderRadius(mTargetCell)) {
+                && targetCellDistance < mDragTargetLayout.getReorderRadius(mTargetCell, item.spanX,
+                item.spanY)) {
 
             int[] resultSpan = new int[2];
             mDragTargetLayout.performReorder((int) mDragViewVisualCenter[0],
diff --git a/src/com/android/launcher3/allapps/WorkModeSwitch.java b/src/com/android/launcher3/allapps/WorkModeSwitch.java
index aee7c4c..fedc91f 100644
--- a/src/com/android/launcher3/allapps/WorkModeSwitch.java
+++ b/src/com/android/launcher3/allapps/WorkModeSwitch.java
@@ -91,12 +91,12 @@
         MarginLayoutParams lp = (MarginLayoutParams) getLayoutParams();
         if (lp != null) {
             int bottomMargin = getResources().getDimensionPixelSize(R.dimen.work_fab_margin_bottom);
+            DeviceProfile dp = ActivityContext.lookupContext(getContext()).getDeviceProfile();
             if (FeatureFlags.ENABLE_FLOATING_SEARCH_BAR.get()) {
                 bottomMargin <<= 1;  // Double margin to add space above search bar.
-                bottomMargin += getResources().getDimensionPixelSize(R.dimen.qsb_widget_height);
+                bottomMargin += dp.hotseatQsbHeight;
             }
 
-            DeviceProfile dp = ActivityContext.lookupContext(getContext()).getDeviceProfile();
             if (!dp.isGestureMode) {
                 if (dp.isTaskbarPresent) {
                     bottomMargin += dp.taskbarSize;
diff --git a/src/com/android/launcher3/graphics/ShadowDrawable.java b/src/com/android/launcher3/graphics/ShadowDrawable.java
deleted file mode 100644
index d8a7070..0000000
--- a/src/com/android/launcher3/graphics/ShadowDrawable.java
+++ /dev/null
@@ -1,213 +0,0 @@
-/*
- * Copyright (C) 2017 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.launcher3.graphics;
-
-import android.annotation.TargetApi;
-import android.content.res.Resources;
-import android.content.res.TypedArray;
-import android.graphics.Bitmap;
-import android.graphics.BlurMaskFilter;
-import android.graphics.Canvas;
-import android.graphics.Color;
-import android.graphics.ColorFilter;
-import android.graphics.Paint;
-import android.graphics.PixelFormat;
-import android.graphics.Rect;
-import android.graphics.drawable.Drawable;
-import android.os.Build;
-import android.util.AttributeSet;
-
-import com.android.launcher3.R;
-import com.android.launcher3.icons.BitmapRenderer;
-
-import org.xmlpull.v1.XmlPullParser;
-import org.xmlpull.v1.XmlPullParserException;
-
-import java.io.IOException;
-
-/**
- * A drawable which adds shadow around a child drawable.
- */
-@TargetApi(Build.VERSION_CODES.O)
-public class ShadowDrawable extends Drawable {
-
-    private final Paint mPaint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG);
-
-    private final ShadowDrawableState mState;
-
-    @SuppressWarnings("unused")
-    public ShadowDrawable() {
-        this(new ShadowDrawableState());
-    }
-
-    private ShadowDrawable(ShadowDrawableState state) {
-        mState = state;
-    }
-
-    @Override
-    public void draw(Canvas canvas) {
-        Rect bounds = getBounds();
-        if (bounds.isEmpty()) {
-            return;
-        }
-        if (mState.mLastDrawnBitmap == null) {
-            regenerateBitmapCache();
-        }
-        canvas.drawBitmap(mState.mLastDrawnBitmap, null, bounds, mPaint);
-    }
-
-    @Override
-    public void setAlpha(int alpha) {
-        mPaint.setAlpha(alpha);
-        invalidateSelf();
-    }
-
-    @Override
-    public void setColorFilter(ColorFilter colorFilter) {
-        mPaint.setColorFilter(colorFilter);
-        invalidateSelf();
-    }
-
-    @Override
-    public ConstantState getConstantState() {
-        return mState;
-    }
-
-    @Override
-    public int getOpacity() {
-        return PixelFormat.TRANSLUCENT;
-    }
-
-    @Override
-    public int getIntrinsicHeight() {
-        return mState.mIntrinsicHeight;
-    }
-
-    @Override
-    public int getIntrinsicWidth() {
-        return mState.mIntrinsicWidth;
-    }
-
-    @Override
-    public boolean canApplyTheme() {
-        return mState.canApplyTheme();
-    }
-
-    @Override
-    public void applyTheme(Resources.Theme t) {
-        TypedArray ta = t.obtainStyledAttributes(new int[] {R.attr.isWorkspaceDarkText});
-        boolean isDark = ta.getBoolean(0, false);
-        ta.recycle();
-        if (mState.mIsDark != isDark) {
-            mState.mIsDark = isDark;
-            mState.mLastDrawnBitmap = null;
-            invalidateSelf();
-        }
-    }
-
-    private void regenerateBitmapCache() {
-        // Call mutate, so that the pixel allocation by the underlying vector drawable is cleared.
-        Drawable d = mState.mChildState.newDrawable().mutate();
-        d.setBounds(mState.mShadowSize, mState.mShadowSize,
-                mState.mIntrinsicWidth - mState.mShadowSize,
-                mState.mIntrinsicHeight - mState.mShadowSize);
-        d.setTint(mState.mIsDark ? mState.mDarkTintColor : Color.WHITE);
-
-        if (mState.mIsDark) {
-            // Dark text do not have any shadow, but just the bitmap
-            mState.mLastDrawnBitmap = BitmapRenderer.createHardwareBitmap(
-                    mState.mIntrinsicWidth, mState.mIntrinsicHeight, d::draw);
-        } else {
-            Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG);
-            paint.setMaskFilter(new BlurMaskFilter(mState.mShadowSize, BlurMaskFilter.Blur.NORMAL));
-
-            // Generate the shadow bitmap
-            int[] offset = new int[2];
-            Bitmap shadow = BitmapRenderer.createSoftwareBitmap(
-                    mState.mIntrinsicWidth, mState.mIntrinsicHeight, d::draw)
-                    .extractAlpha(paint, offset);
-
-            paint.setMaskFilter(null);
-            paint.setColor(mState.mShadowColor);
-            mState.mLastDrawnBitmap = BitmapRenderer.createHardwareBitmap(
-                    mState.mIntrinsicWidth, mState.mIntrinsicHeight, c -> {
-                        c.drawBitmap(shadow, offset[0], offset[1], paint);
-                        d.draw(c);
-                    });
-        }
-    }
-
-    @Override
-    public void inflate(Resources r, XmlPullParser parser, AttributeSet attrs,
-            Resources.Theme theme) throws XmlPullParserException, IOException {
-        super.inflate(r, parser, attrs, theme);
-
-        final TypedArray a = theme == null
-                ? r.obtainAttributes(attrs, R.styleable.ShadowDrawable)
-                : theme.obtainStyledAttributes(attrs, R.styleable.ShadowDrawable, 0, 0);
-        try {
-            Drawable d = a.getDrawable(R.styleable.ShadowDrawable_android_src);
-            if (d == null) {
-                throw new XmlPullParserException("missing src attribute");
-            }
-            mState.mShadowColor = a.getColor(
-                    R.styleable.ShadowDrawable_android_shadowColor, Color.BLACK);
-            mState.mShadowSize = a.getDimensionPixelSize(
-                    R.styleable.ShadowDrawable_android_elevation, 0);
-            mState.mDarkTintColor = a.getColor(
-                    R.styleable.ShadowDrawable_darkTintColor, Color.BLACK);
-
-            mState.mIntrinsicHeight = d.getIntrinsicHeight() + 2 * mState.mShadowSize;
-            mState.mIntrinsicWidth = d.getIntrinsicWidth() + 2 * mState.mShadowSize;
-            mState.mChangingConfigurations = d.getChangingConfigurations();
-
-            mState.mChildState = d.getConstantState();
-        } finally {
-            a.recycle();
-        }
-    }
-
-    private static class ShadowDrawableState extends ConstantState {
-
-        int mChangingConfigurations;
-        int mIntrinsicWidth;
-        int mIntrinsicHeight;
-
-        int mShadowColor;
-        int mShadowSize;
-        int mDarkTintColor;
-
-        boolean mIsDark;
-        Bitmap mLastDrawnBitmap;
-        ConstantState mChildState;
-
-        @Override
-        public Drawable newDrawable() {
-            return new ShadowDrawable(this);
-        }
-
-        @Override
-        public int getChangingConfigurations() {
-            return mChangingConfigurations;
-        }
-
-        @Override
-        public boolean canApplyTheme() {
-            return true;
-        }
-    }
-}
diff --git a/tests/src/com/android/launcher3/DeviceProfileBaseTest.kt b/tests/src/com/android/launcher3/DeviceProfileBaseTest.kt
index 4732fc1..7046782 100644
--- a/tests/src/com/android/launcher3/DeviceProfileBaseTest.kt
+++ b/tests/src/com/android/launcher3/DeviceProfileBaseTest.kt
@@ -18,6 +18,7 @@
 import android.content.Context
 import android.graphics.PointF
 import android.graphics.Rect
+import android.util.SparseArray
 import androidx.test.core.app.ApplicationProvider
 import com.android.launcher3.util.DisplayController.Info
 import com.android.launcher3.util.WindowBounds
@@ -56,6 +57,7 @@
         inv,
         info,
         windowBounds,
+        SparseArray(),
         isMultiWindowMode,
         transposeLayoutWithOrientation,
         useTwoPanels,