diff --git a/AndroidManifest-common.xml b/AndroidManifest-common.xml
index a47a500..9e76ce3 100644
--- a/AndroidManifest-common.xml
+++ b/AndroidManifest-common.xml
@@ -40,6 +40,8 @@
     <uses-permission android:name="android.permission.REQUEST_DELETE_PACKAGES" />
     <uses-permission android:name="android.permission.READ_DEVICE_CONFIG" />
     <uses-permission android:name="android.permission.QUERY_ALL_PACKAGES" />
+    <!-- for rotating surface by arbitrary degree -->
+    <uses-permission android:name="android.permission.ROTATE_SURFACE_FLINGER" />
     
     <!--
     Permissions required for read/write access to the workspace data. These permission name
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 97bce9c..56a2595 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -49,7 +49,7 @@
             android:stateNotNeeded="true"
             android:windowSoftInputMode="adjustPan"
             android:screenOrientation="unspecified"
-            android:configChanges="keyboard|keyboardHidden|mcc|mnc|navigation|orientation|screenSize|screenLayout|smallestScreenSize|uiMode"
+            android:configChanges="keyboard|keyboardHidden|mcc|mnc|navigation|orientation|screenSize|screenLayout|smallestScreenSize"
             android:resizeableActivity="true"
             android:resumeWhilePausing="true"
             android:taskAffinity=""
diff --git a/quickstep/AndroidManifest-launcher.xml b/quickstep/AndroidManifest-launcher.xml
index 19f85e4..53910e3 100644
--- a/quickstep/AndroidManifest-launcher.xml
+++ b/quickstep/AndroidManifest-launcher.xml
@@ -49,7 +49,7 @@
             android:stateNotNeeded="true"
             android:windowSoftInputMode="adjustPan"
             android:screenOrientation="unspecified"
-            android:configChanges="keyboard|keyboardHidden|mcc|mnc|navigation|orientation|screenSize|screenLayout|smallestScreenSize|uiMode"
+            android:configChanges="keyboard|keyboardHidden|mcc|mnc|navigation|orientation|screenSize|screenLayout|smallestScreenSize"
             android:resizeableActivity="true"
             android:resumeWhilePausing="true"
             android:taskAffinity=""
diff --git a/quickstep/AndroidManifest.xml b/quickstep/AndroidManifest.xml
index 5be32a8..4e7c3fa 100644
--- a/quickstep/AndroidManifest.xml
+++ b/quickstep/AndroidManifest.xml
@@ -59,7 +59,7 @@
              android:stateNotNeeded="true"
              android:theme="@style/LauncherTheme"
              android:screenOrientation="unspecified"
-             android:configChanges="keyboard|keyboardHidden|mcc|mnc|navigation|orientation|screenSize|screenLayout|smallestScreenSize|uiMode"
+             android:configChanges="keyboard|keyboardHidden|mcc|mnc|navigation|orientation|screenSize|screenLayout|smallestScreenSize"
              android:resizeableActivity="true"
              android:resumeWhilePausing="true"
              android:taskAffinity=""/>
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index c59c045..4dbc0f3 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -19,7 +19,9 @@
 
 import static com.android.launcher3.BaseActivity.INVISIBLE_BY_STATE_HANDLER;
 import static com.android.launcher3.BaseActivity.STATE_HANDLER_INVISIBILITY_FLAGS;
+import static com.android.launcher3.QuickstepAppTransitionManagerImpl.RECENTS_LAUNCH_DURATION;
 import static com.android.launcher3.QuickstepAppTransitionManagerImpl.TRANSITION_OPEN_LAUNCHER;
+import static com.android.launcher3.anim.Interpolators.ACCEL_DEACCEL;
 import static com.android.launcher3.anim.Interpolators.DEACCEL;
 import static com.android.launcher3.anim.Interpolators.OVERSHOOT_1_2;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_QUICKSTEP_LIVE_TILE;
@@ -52,6 +54,7 @@
 import android.app.ActivityManager;
 import android.content.Context;
 import android.content.Intent;
+import android.graphics.Matrix;
 import android.graphics.PointF;
 import android.graphics.Rect;
 import android.os.Build;
@@ -92,7 +95,7 @@
 import com.android.quickstep.util.AnimatorControllerWithResistance;
 import com.android.quickstep.util.InputConsumerProxy;
 import com.android.quickstep.util.MotionPauseDetector;
-import com.android.quickstep.util.RecentsOrientedState;
+import com.android.quickstep.util.MultiValueUpdateListener;
 import com.android.quickstep.util.ProtoTracer;
 import com.android.quickstep.util.RecentsOrientedState;
 import com.android.quickstep.util.RectFSpringAnim;
@@ -108,6 +111,7 @@
 import com.android.systemui.shared.system.InteractionJankMonitorWrapper;
 import com.android.systemui.shared.system.LatencyTrackerCompat;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
+import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams;
 import com.android.systemui.shared.system.TaskInfoCompat;
 import com.android.systemui.shared.system.TaskStackChangeListener;
 
@@ -1498,17 +1502,36 @@
     }
 
     private void launchOtherTaskInLiveTileMode(int taskId, RemoteAnimationTargetCompat[] apps) {
-        TaskView taskView = mRecentsView.getTaskView(taskId);
-        if (taskView == null) {
-            return;
-        }
-
         AnimatorSet anim = new AnimatorSet();
-        TaskViewUtils.composeRecentsLaunchAnimator(
-                anim, taskView, apps,
-                mRecentsAnimationTargets.wallpapers, true /* launcherClosing */,
-                mActivity.getStateManager(), mRecentsView,
-                mActivityInterface.getDepthController());
+        TaskView taskView = mRecentsView.getTaskView(taskId);
+        if (taskView == null || !mRecentsView.isTaskViewVisible(taskView)) {
+            // TODO: Refine this animation.
+            SurfaceTransactionApplier surfaceApplier =
+                    new SurfaceTransactionApplier(mActivity.getDragLayer());
+            ValueAnimator appAnimator = ValueAnimator.ofFloat(0, 1);
+            appAnimator.setDuration(RECENTS_LAUNCH_DURATION);
+            appAnimator.setInterpolator(ACCEL_DEACCEL);
+            appAnimator.addUpdateListener(new MultiValueUpdateListener() {
+                @Override
+                public void onUpdate(float percent) {
+                    SurfaceParams.Builder builder = new SurfaceParams.Builder(
+                            apps[apps.length - 1].leash);
+                    Matrix matrix = new Matrix();
+                    matrix.postScale(percent, percent);
+                    matrix.postTranslate(mDp.widthPx * (1 - percent) / 2,
+                            mDp.heightPx * (1 - percent) / 2);
+                    builder.withAlpha(percent).withMatrix(matrix);
+                    surfaceApplier.scheduleApply(builder.build());
+                }
+            });
+            anim.play(appAnimator);
+        } else {
+            TaskViewUtils.composeRecentsLaunchAnimator(
+                    anim, taskView, apps,
+                    mRecentsAnimationTargets.wallpapers, true /* launcherClosing */,
+                    mActivity.getStateManager(), mRecentsView,
+                    mActivityInterface.getDepthController());
+        }
         anim.addListener(new AnimatorListenerAdapter(){
 
             @Override
diff --git a/res/values/config.xml b/res/values/config.xml
index 46b8c23..41d1a12 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -111,6 +111,7 @@
     <!-- QSB IDs. DO not change -->
     <item type="id" name="search_container_workspace" />
     <item type="id" name="search_container_all_apps" />
+    <item type="id" name="search_container_hotseat" />
 
     <!-- Recents -->
     <item type="id" name="overview_panel"/>
diff --git a/src/com/android/launcher3/BaseDraggingActivity.java b/src/com/android/launcher3/BaseDraggingActivity.java
index 0d90602..52f0a4a 100644
--- a/src/com/android/launcher3/BaseDraggingActivity.java
+++ b/src/com/android/launcher3/BaseDraggingActivity.java
@@ -42,7 +42,6 @@
 
 import androidx.annotation.Nullable;
 
-import com.android.launcher3.Launcher.OnResumeCallback;
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.logging.InstanceId;
 import com.android.launcher3.logging.InstanceIdSequence;
@@ -108,20 +107,10 @@
 
     private void updateTheme() {
         if (mThemeRes != Themes.getActivityThemeRes(this)) {
-            // Workaround (b/162812884): The system currently doesn't allow recreating an activity
-            // when it is not resumed, in such a case defer recreation until it is possible
-            if (hasBeenResumed()) {
-                recreate();
-            } else {
-                addOnResumeCallback(this::recreate);
-            }
+            recreate();
         }
     }
 
-    protected void addOnResumeCallback(OnResumeCallback callback) {
-        // To be overridden
-    }
-
     @Override
     public void onActionModeStarted(ActionMode mode) {
         super.onActionModeStarted(mode);
diff --git a/src/com/android/launcher3/Hotseat.java b/src/com/android/launcher3/Hotseat.java
index e4bdb39..4f4f2a7 100644
--- a/src/com/android/launcher3/Hotseat.java
+++ b/src/com/android/launcher3/Hotseat.java
@@ -27,6 +27,8 @@
 
 import androidx.annotation.Nullable;
 
+import com.android.launcher3.config.FeatureFlags;
+
 import java.util.function.Consumer;
 
 /**
@@ -38,7 +40,8 @@
     private boolean mHasVerticalHotseat;
     private Workspace mWorkspace;
     private boolean mSendTouchToWorkspace;
-    @Nullable private Consumer<Boolean> mOnVisibilityAggregatedCallback;
+    @Nullable
+    private Consumer<Boolean> mOnVisibilityAggregatedCallback;
 
     public Hotseat(Context context) {
         this(context, null);
@@ -73,8 +76,9 @@
         if (hasVerticalHotseat) {
             setGridSize(1, idp.numHotseatIcons);
         } else {
-            setGridSize(idp.numHotseatIcons, 1);
+            setGridSize(idp.numHotseatIcons, FeatureFlags.ENABLE_DEVICE_SEARCH.get() ? 2 : 1);
         }
+        showInlineQsb();
     }
 
     @Override
@@ -97,7 +101,11 @@
             lp.height = grid.hotseatBarSizePx + insets.bottom;
         }
         Rect padding = grid.getHotseatLayoutPadding();
-        setPadding(padding.left, padding.top, padding.right, padding.bottom);
+        int paddingBottom = padding.bottom;
+        if (FeatureFlags.ENABLE_DEVICE_SEARCH.get() && !grid.isVerticalBarLayout()) {
+            paddingBottom -= grid.hotseatBarBottomPaddingPx;
+        }
+        setPadding(padding.left, padding.top, padding.right, paddingBottom);
 
         setLayoutParams(lp);
         InsettableFrameLayout.dispatchInsets(this, insets);
@@ -148,4 +156,8 @@
     public void setOnVisibilityAggregatedCallback(@Nullable Consumer<Boolean> callback) {
         mOnVisibilityAggregatedCallback = callback;
     }
+
+    protected void showInlineQsb() {
+        //Does nothing
+    }
 }
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 5c13590..ea98157 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -18,6 +18,7 @@
 
 import static android.content.pm.ActivityInfo.CONFIG_ORIENTATION;
 import static android.content.pm.ActivityInfo.CONFIG_SCREEN_SIZE;
+import static android.content.pm.ActivityInfo.CONFIG_UI_MODE;
 import static android.view.View.IMPORTANT_FOR_ACCESSIBILITY_NO;
 import static android.view.accessibility.AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED;
 
@@ -1136,7 +1137,11 @@
         int stateOrdinal = savedState.getInt(RUNTIME_STATE, NORMAL.ordinal);
         LauncherState[] stateValues = LauncherState.values();
         LauncherState state = stateValues[stateOrdinal];
-        if (!state.shouldDisableRestore()) {
+
+        NonConfigInstance lastInstance = (NonConfigInstance) getLastNonConfigurationInstance();
+        boolean forceRestore = lastInstance != null
+                && (lastInstance.config.diff(mOldConfig) & CONFIG_UI_MODE) != 0;
+        if (forceRestore || !state.shouldDisableRestore()) {
             mStateManager.goToState(state, false /* animated */);
         }
 
@@ -1375,15 +1380,18 @@
 
     @Override
     public Object onRetainNonConfigurationInstance() {
+        NonConfigInstance instance = new NonConfigInstance();
+        instance.config = new Configuration(mOldConfig);
+
         int width = mDragLayer.getWidth();
         int height = mDragLayer.getHeight();
 
         // TODO: b/172467144 Remove hardcoded ENABLE_ACTIVITY_CROSSFADE.
-        if (!ENABLE_ACTIVITY_CROSSFADE || width <= 0 || height <= 0) {
-            return null;
+        if (ENABLE_ACTIVITY_CROSSFADE && width > 0 && height > 0) {
+            instance.snapshot =
+                    BitmapRenderer.createHardwareBitmap(width, height, mDragLayer::draw);
         }
-
-        return BitmapRenderer.createHardwareBitmap(width, height, mDragLayer::draw);
+        return instance;
     }
 
     public AllAppsTransitionController getAllAppsController() {
@@ -1977,7 +1985,6 @@
         return result;
     }
 
-    @Override
     public void addOnResumeCallback(OnResumeCallback callback) {
         mOnResumeCallbacks.add(callback);
     }
@@ -2787,15 +2794,14 @@
      * updates.
      */
     private void crossFadeWithPreviousAppearance() {
-        Bitmap previousAppearanceBitmap = (Bitmap) getLastNonConfigurationInstance();
+        NonConfigInstance lastInstance = (NonConfigInstance) getLastNonConfigurationInstance();
 
-        if (previousAppearanceBitmap == null) {
+        if (lastInstance == null || lastInstance.snapshot == null) {
             return;
         }
 
         ImageView crossFadeHelper = new ImageView(this);
-
-        crossFadeHelper.setImageBitmap(previousAppearanceBitmap);
+        crossFadeHelper.setImageBitmap(lastInstance.snapshot);
         crossFadeHelper.setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_NO);
 
         InsettableFrameLayout.LayoutParams layoutParams = new InsettableFrameLayout.LayoutParams(
@@ -2815,4 +2821,9 @@
                 .withEndAction(() -> getRootView().removeView(crossFadeHelper))
                 .start();
     }
+
+    private static class NonConfigInstance {
+        public Configuration config;
+        public Bitmap snapshot;
+    }
 }
diff --git a/src/com/android/launcher3/LauncherState.java b/src/com/android/launcher3/LauncherState.java
index eba0ac9..79476fc 100644
--- a/src/com/android/launcher3/LauncherState.java
+++ b/src/com/android/launcher3/LauncherState.java
@@ -29,6 +29,7 @@
 import android.content.Context;
 import android.view.animation.Interpolator;
 
+import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.statemanager.BaseState;
 import com.android.launcher3.statemanager.StateManager;
 import com.android.launcher3.states.HintState;
@@ -168,9 +169,9 @@
 
     /**
      * Returns an array of two elements.
-     *   The first specifies the scale for the overview
-     *   The second is the factor ([0, 1], 0 => center-screen; 1 => offscreen) by which overview
-     *   should be shifted horizontally.
+     * The first specifies the scale for the overview
+     * The second is the factor ([0, 1], 0 => center-screen; 1 => offscreen) by which overview
+     * should be shifted horizontally.
      */
     public float[] getOverviewScaleAndOffset(Launcher launcher) {
         return launcher.getNormalOverviewScaleAndOffset();
@@ -185,10 +186,12 @@
     }
 
     public int getVisibleElements(Launcher launcher) {
-        if (launcher.getDeviceProfile().isVerticalBarLayout()) {
-            return HOTSEAT_ICONS | VERTICAL_SWIPE_INDICATOR;
+        int flags = HOTSEAT_ICONS | VERTICAL_SWIPE_INDICATOR;
+        if (!FeatureFlags.ENABLE_DEVICE_SEARCH.get()
+                && !launcher.getDeviceProfile().isVerticalBarLayout()) {
+            flags |= HOTSEAT_SEARCH_BOX;
         }
-        return HOTSEAT_ICONS | HOTSEAT_SEARCH_BOX | VERTICAL_SWIPE_INDICATOR;
+        return flags;
     }
 
     /**
@@ -229,6 +232,7 @@
 
     /**
      * Returns the amount of blur and wallpaper zoom for this state with {@param isMultiWindowMode}.
+     *
      * @see #getDepth(Context).
      */
     public final float getDepth(Context context, boolean isMultiWindowMode) {
@@ -255,7 +259,7 @@
         return new PageAlphaProvider(ACCEL_2) {
             @Override
             public float getPageAlpha(int pageIndex) {
-                return  pageIndex != centerPage ? 0 : 1f;
+                return pageIndex != centerPage ? 0 : 1f;
             }
         };
     }
diff --git a/src/com/android/launcher3/ShortcutAndWidgetContainer.java b/src/com/android/launcher3/ShortcutAndWidgetContainer.java
index 6326b7a..ee0c7bb 100644
--- a/src/com/android/launcher3/ShortcutAndWidgetContainer.java
+++ b/src/com/android/launcher3/ShortcutAndWidgetContainer.java
@@ -36,7 +36,8 @@
     // return an (x, y) value from helper functions. Do NOT use them to maintain other state.
     private final int[] mTmpCellXY = new int[2];
 
-    @ContainerType private final int mContainerType;
+    @ContainerType
+    private final int mContainerType;
     private final WallpaperManager mWallpaperManager;
 
     private int mCellWidth;
@@ -44,7 +45,7 @@
 
     private int mCountX;
 
-    private ActivityContext mActivity;
+    private final ActivityContext mActivity;
     private boolean mInvertIfRtl = false;
 
     public ShortcutAndWidgetContainer(Context context, @ContainerType int containerType) {
@@ -79,7 +80,7 @@
         int count = getChildCount();
 
         int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec);
-        int heightSpecSize =  MeasureSpec.getSize(heightMeasureSpec);
+        int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec);
         setMeasuredDimension(widthSpecSize, heightSpecSize);
 
         for (int i = 0; i < count; i++) {
diff --git a/src/com/android/launcher3/allapps/AllAppsContainerView.java b/src/com/android/launcher3/allapps/AllAppsContainerView.java
index 5d5e017..558c6a8 100644
--- a/src/com/android/launcher3/allapps/AllAppsContainerView.java
+++ b/src/com/android/launcher3/allapps/AllAppsContainerView.java
@@ -548,6 +548,7 @@
         if (focusedItem instanceof SearchAdapterItem) {
             SearchTarget searchTarget = ((SearchAdapterItem) focusedItem).getSearchTarget();
             SearchEventTracker.INSTANCE.get(getContext()).quickSelect(searchTarget);
+            return true;
         }
         if (focusedItem.appInfo != null) {
             ItemInfo itemInfo = focusedItem.appInfo;
diff --git a/src/com/android/launcher3/allapps/search/AppsSearchContainerLayout.java b/src/com/android/launcher3/allapps/search/AppsSearchContainerLayout.java
index 000ccbb..bd2f04d 100644
--- a/src/com/android/launcher3/allapps/search/AppsSearchContainerLayout.java
+++ b/src/com/android/launcher3/allapps/search/AppsSearchContainerLayout.java
@@ -47,6 +47,7 @@
 import com.android.launcher3.allapps.AlphabeticalAppsList;
 import com.android.launcher3.allapps.SearchUiManager;
 import com.android.launcher3.anim.PropertySetter;
+import com.android.launcher3.config.FeatureFlags;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -215,7 +216,8 @@
 
     @Override
     public float getScrollRangeDelta(Rect insets) {
-        if (mLauncher.getDeviceProfile().isVerticalBarLayout()) {
+        if (mLauncher.getDeviceProfile().isVerticalBarLayout()
+                || FeatureFlags.ENABLE_DEVICE_SEARCH.get()) {
             return 0;
         } else {
             return insets.bottom + insets.top;
diff --git a/src/com/android/launcher3/statemanager/StatefulActivity.java b/src/com/android/launcher3/statemanager/StatefulActivity.java
index dbe5f42..601e117 100644
--- a/src/com/android/launcher3/statemanager/StatefulActivity.java
+++ b/src/com/android/launcher3/statemanager/StatefulActivity.java
@@ -121,7 +121,9 @@
         final int origDragLayerChildCount = dragLayer.getChildCount();
         super.onStop();
 
-        getStateManager().moveToRestState();
+        if (!isChangingConfigurations()) {
+            getStateManager().moveToRestState();
+        }
 
         // Workaround for b/78520668, explicitly trim memory once UI is hidden
         onTrimMemory(TRIM_MEMORY_UI_HIDDEN);
diff --git a/tests/AndroidManifest-common.xml b/tests/AndroidManifest-common.xml
index bc6356f..f243f27 100644
--- a/tests/AndroidManifest-common.xml
+++ b/tests/AndroidManifest-common.xml
@@ -98,7 +98,7 @@
         <activity
             android:name="com.android.launcher3.testcomponent.TestLauncherActivity"
             android:clearTaskOnLaunch="true"
-            android:configChanges="keyboard|keyboardHidden|mcc|mnc|navigation|orientation|screenSize|screenLayout|smallestScreenSize|uiMode"
+            android:configChanges="keyboard|keyboardHidden|mcc|mnc|navigation|orientation|screenSize|screenLayout|smallestScreenSize"
             android:enabled="false"
             android:label="Test launcher"
             android:launchMode="singleTask"