diff --git a/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsController.java b/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsController.java
index 02d9d95..cf0b36a 100644
--- a/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsController.java
@@ -112,9 +112,6 @@
     /** Updates the current search suggestions. */
     public void setZeroStateSearchSuggestions(List<ItemInfo> zeroStateSearchSuggestions) {
         mZeroStateSearchSuggestions = zeroStateSearchSuggestions;
-        if (mSearchSessionController != null) {
-            mSearchSessionController.setZeroStateSearchSuggestions(zeroStateSearchSuggestions);
-        }
     }
 
     /** Updates the current notification dots. */
diff --git a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarController.java b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarController.java
index 6b5c962..b2d5940 100644
--- a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarController.java
@@ -184,6 +184,8 @@
         bubbleControllers.runAfterInit(() -> {
             mBubbleBarViewController.setHiddenForBubbles(!BUBBLE_BAR_ENABLED);
             mBubbleStashedHandleViewController.setHiddenForBubbles(!BUBBLE_BAR_ENABLED);
+            mBubbleBarViewController.setUpdateSelectedBubbleAfterCollapse(
+                    key -> setSelectedBubble(mBubbles.get(key)));
         });
     }
 
diff --git a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarView.java b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarView.java
index 3c308b5..563ba02 100644
--- a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarView.java
+++ b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarView.java
@@ -32,6 +32,7 @@
 import com.android.launcher3.views.ActivityContext;
 
 import java.util.List;
+import java.util.function.Consumer;
 
 /**
  * The view that holds all the bubble views. Modifying this view should happen through
@@ -105,6 +106,9 @@
     @Nullable
     private Runnable mReorderRunnable;
 
+    @Nullable
+    private Consumer<String> mUpdateSelectedBubbleAfterCollapse;
+
     public BubbleBarView(Context context) {
         this(context, null);
     }
@@ -148,6 +152,13 @@
                     mReorderRunnable.run();
                     mReorderRunnable = null;
                 }
+                // If the bar was just collapsed and the overflow was the last bubble that was
+                // selected, set the first bubble as selected.
+                if (!mIsBarExpanded && mUpdateSelectedBubbleAfterCollapse != null
+                        && mSelectedBubbleView.getBubble() instanceof BubbleBarOverflow) {
+                    BubbleView firstBubble = (BubbleView) getChildAt(0);
+                    mUpdateSelectedBubbleAfterCollapse.accept(firstBubble.getBubble().getKey());
+                }
                 updateWidth();
             }
 
@@ -299,6 +310,11 @@
         }
     }
 
+    public void setUpdateSelectedBubbleAfterCollapse(
+            Consumer<String> updateSelectedBubbleAfterCollapse) {
+        mUpdateSelectedBubbleAfterCollapse = updateSelectedBubbleAfterCollapse;
+    }
+
     /**
      * Sets which bubble view should be shown as selected.
      */
diff --git a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarViewController.java b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarViewController.java
index 52c144e..4e9f88a 100644
--- a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarViewController.java
@@ -36,6 +36,7 @@
 
 import java.util.List;
 import java.util.Objects;
+import java.util.function.Consumer;
 
 /**
  * Controller for {@link BubbleBarView}. Manages the visibility of the bubble bar as well as
@@ -184,6 +185,12 @@
         }
     }
 
+    /** Sets a callback that updates the selected bubble after the bubble bar collapses. */
+    public void setUpdateSelectedBubbleAfterCollapse(
+            Consumer<String> updateSelectedBubbleAfterCollapse) {
+        mBarView.setUpdateSelectedBubbleAfterCollapse(updateSelectedBubbleAfterCollapse);
+    }
+
     /**
      * Sets whether the bubble bar should be hidden due to SysUI state (e.g. on lockscreen).
      */
diff --git a/quickstep/src/com/android/quickstep/SystemUiProxy.java b/quickstep/src/com/android/quickstep/SystemUiProxy.java
index dd6499b..1de264a 100644
--- a/quickstep/src/com/android/quickstep/SystemUiProxy.java
+++ b/quickstep/src/com/android/quickstep/SystemUiProxy.java
@@ -19,6 +19,7 @@
 
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
+import static com.android.quickstep.util.LogUtils.splitFailureMessage;
 
 import android.app.ActivityManager;
 import android.app.ActivityOptions;
@@ -706,7 +707,7 @@
                 mSplitScreen.startTasks(taskId1, options1, taskId2, options2, splitPosition,
                         splitRatio, remoteTransition, instanceId);
             } catch (RemoteException e) {
-                Log.w(TAG, "Failed call startTasks");
+                Log.w(TAG, splitFailureMessage("startTasks", "RemoteException"), e);
             }
         }
     }
@@ -719,7 +720,7 @@
                 mSplitScreen.startIntentAndTask(pendingIntent, userId1, options1, taskId, options2,
                         splitPosition, splitRatio, remoteTransition, instanceId);
             } catch (RemoteException e) {
-                Log.w(TAG, "Failed call startIntentAndTask");
+                Log.w(TAG, splitFailureMessage("startIntentAndTask", "RemoteException"), e);
             }
         }
     }
@@ -735,7 +736,7 @@
                         pendingIntent2, userId2, shortcutInfo2, options2, splitPosition, splitRatio,
                         remoteTransition, instanceId);
             } catch (RemoteException e) {
-                Log.w(TAG, "Failed call startIntents");
+                Log.w(TAG, splitFailureMessage("startIntents", "RemoteException"), e);
             }
         }
     }
@@ -748,7 +749,7 @@
                 mSplitScreen.startShortcutAndTask(shortcutInfo, options1, taskId, options2,
                         splitPosition, splitRatio, remoteTransition, instanceId);
             } catch (RemoteException e) {
-                Log.w(TAG, "Failed call startShortcutAndTask");
+                Log.w(TAG, splitFailureMessage("startShortcutAndTask", "RemoteException"), e);
             }
         }
     }
@@ -764,7 +765,8 @@
                 mSplitScreen.startTasksWithLegacyTransition(taskId1, options1, taskId2, options2,
                         splitPosition, splitRatio, adapter, instanceId);
             } catch (RemoteException e) {
-                Log.w(TAG, "Failed call startTasksWithLegacyTransition");
+                Log.w(TAG, splitFailureMessage(
+                        "startTasksWithLegacyTransition", "RemoteException"), e);
             }
         }
     }
@@ -778,7 +780,8 @@
                 mSplitScreen.startIntentAndTaskWithLegacyTransition(pendingIntent, userId1,
                         options1, taskId, options2, splitPosition, splitRatio, adapter, instanceId);
             } catch (RemoteException e) {
-                Log.w(TAG, "Failed call startIntentAndTaskWithLegacyTransition");
+                Log.w(TAG, splitFailureMessage(
+                        "startIntentAndTaskWithLegacyTransition", "RemoteException"), e);
             }
         }
     }
@@ -791,7 +794,8 @@
                 mSplitScreen.startShortcutAndTaskWithLegacyTransition(shortcutInfo, options1,
                         taskId, options2, splitPosition, splitRatio, adapter, instanceId);
             } catch (RemoteException e) {
-                Log.w(TAG, "Failed call startShortcutAndTaskWithLegacyTransition");
+                Log.w(TAG, splitFailureMessage(
+                        "startShortcutAndTaskWithLegacyTransition", "RemoteException"), e);
             }
         }
     }
@@ -811,7 +815,8 @@
                         shortcutInfo1, options1, pendingIntent2, userId2, shortcutInfo2, options2,
                         sidePosition, splitRatio, adapter, instanceId);
             } catch (RemoteException e) {
-                Log.w(TAG, "Failed call startIntentsWithLegacyTransition");
+                Log.w(TAG, splitFailureMessage(
+                        "startIntentsWithLegacyTransition", "RemoteException"), e);
             }
         }
     }
@@ -823,7 +828,7 @@
                 mSplitScreen.startShortcut(packageName, shortcutId, position, options,
                         user, instanceId);
             } catch (RemoteException e) {
-                Log.w(TAG, "Failed call startShortcut");
+                Log.w(TAG, splitFailureMessage("startShortcut", "RemoteException"), e);
             }
         }
     }
@@ -835,7 +840,7 @@
                 mSplitScreen.startIntent(intent, userId, fillInIntent, position, options,
                         instanceId);
             } catch (RemoteException e) {
-                Log.w(TAG, "Failed call startIntent");
+                Log.w(TAG, splitFailureMessage("startIntent", "RemoteException"), e);
             }
         }
     }
diff --git a/quickstep/src/com/android/quickstep/util/LogUtils.kt b/quickstep/src/com/android/quickstep/util/LogUtils.kt
index 23a41f6..e34c4ec 100644
--- a/quickstep/src/com/android/quickstep/util/LogUtils.kt
+++ b/quickstep/src/com/android/quickstep/util/LogUtils.kt
@@ -20,6 +20,11 @@
 import com.android.launcher3.logging.InstanceId
 
 object LogUtils {
+    @JvmStatic
+    fun splitFailureMessage(caller: String, reason: String): String {
+        return "($caller) Splitscreen aborted: $reason"
+    }
+
     /**
      * @return a [Pair] of two InstanceIds but with different types, one that can be used by
      *   framework (if needing to pass through an intent or such) and one used in Launcher
diff --git a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
index e063b44..ff701e7 100644
--- a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
+++ b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
@@ -561,7 +561,7 @@
                 new RemoteSplitLaunchTransitionRunner(firstTaskId, secondTaskId, callback);
         final RemoteTransition remoteTransition = new RemoteTransition(animationRunner,
                 ActivityThread.currentActivityThread().getApplicationThread(),
-                "LaunchSplitPair");
+                "LaunchAppFullscreen");
         InstanceId instanceId = LogUtils.getShellShareableInstanceId().first;
         if (TaskAnimationManager.ENABLE_SHELL_TRANSITIONS) {
             switch (launchData.getSplitLaunchType()) {
diff --git a/quickstep/src/com/android/quickstep/views/GroupedTaskView.java b/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
index c91b183..01f6ae8 100644
--- a/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
+++ b/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
@@ -223,11 +223,12 @@
         // Callbacks run from remote animation when recents animation not currently running
         InteractionJankMonitorWrapper.begin(this,
                 InteractionJankMonitorWrapper.CUJ_SPLIT_SCREEN_ENTER, "Enter form GroupedTaskView");
-        launchTask(success -> {
+        launchTaskInternal(success -> {
             endCallback.executeAllAndDestroy();
             InteractionJankMonitorWrapper.end(
                     InteractionJankMonitorWrapper.CUJ_SPLIT_SCREEN_ENTER);
-        }, false /* freezeTaskList */);
+        }, false /* freezeTaskList */, true /*launchingExistingTaskview*/);
+
 
         // Callbacks get run from recentsView for case when recents animation already running
         recentsView.addSideTaskLaunchCallback(endCallback);
@@ -236,7 +237,19 @@
 
     @Override
     public void launchTask(@NonNull Consumer<Boolean> callback, boolean isQuickswitch) {
-        getRecentsView().getSplitSelectController().launchExistingSplitPair(this, mTask.key.id,
+        launchTaskInternal(callback, isQuickswitch, false /*launchingExistingTaskview*/);
+    }
+
+    /**
+     * @param launchingExistingTaskView {@link SplitSelectStateController#launchExistingSplitPair}
+     * uses existence of GroupedTaskView as control flow of how to animate in the incoming task. If
+     * we're launching from overview (from overview thumbnails) then pass in {@code true},
+     * otherwise pass in {@code false} for case like quickswitching from home to task
+     */
+    private void launchTaskInternal(@NonNull Consumer<Boolean> callback, boolean isQuickswitch,
+            boolean launchingExistingTaskView) {
+        getRecentsView().getSplitSelectController().launchExistingSplitPair(
+                launchingExistingTaskView ? this : null, mTask.key.id,
                 mSecondaryTask.key.id, SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT,
                 callback, isQuickswitch, getSplitRatio());
     }
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index 421a48c..ae744d4 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -43,7 +43,6 @@
 import static com.android.launcher3.Utilities.squaredHypot;
 import static com.android.launcher3.Utilities.squaredTouchSlop;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_GRID_ONLY_OVERVIEW;
-import static com.android.launcher3.config.FeatureFlags.ENABLE_LAUNCH_FROM_STAGED_APP;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_OVERVIEW_ACTIONS_SPLIT;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TASK_CLEAR_ALL;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TASK_DISMISS_SWIPE_UP;
@@ -54,6 +53,7 @@
 import static com.android.launcher3.util.MultiPropertyFactory.MULTI_PROPERTY_VALUE;
 import static com.android.launcher3.util.SystemUiController.UI_STATE_FULLSCREEN_TASK;
 import static com.android.quickstep.TaskUtils.checkCurrentOrManagedUserId;
+import static com.android.quickstep.util.LogUtils.splitFailureMessage;
 import static com.android.quickstep.views.ClearAllButton.DISMISS_ALPHA;
 import static com.android.quickstep.views.DesktopTaskView.DESKTOP_MODE_SUPPORTED;
 import static com.android.quickstep.views.OverviewActionsView.FLAG_IS_NOT_TABLET;
@@ -3242,9 +3242,7 @@
         mSplitSelectStateController.setFirstFloatingTaskView(firstFloatingTaskView);
 
         // Allow user to click staged app to launch into fullscreen
-        if (ENABLE_LAUNCH_FROM_STAGED_APP.get()) {
-            firstFloatingTaskView.setOnClickListener(this::animateToFullscreen);
-        }
+        firstFloatingTaskView.setOnClickListener(this::animateToFullscreen);
 
         // SplitInstructionsView: animate in
         safeRemoveDragLayerView(mSplitInstructionsView);
@@ -4725,6 +4723,8 @@
             return false;
         }
         if (mSplitSelectStateController.isBothSplitAppsConfirmed()) {
+            Log.w(TAG, splitFailureMessage(
+                    "confirmSplitSelect", "both apps have already been set"));
             return true;
         }
         // Second task is selected either as an already-running Task or an Intent
@@ -4732,6 +4732,9 @@
             if (!task.isDockable) {
                 // Task does not support split screen
                 mSplitUnsupportedToast.show();
+                Log.w(TAG, splitFailureMessage("confirmSplitSelect",
+                        "selected Task (" + task.key.getPackageName()
+                                + ") is not dockable / does not support splitscreen"));
                 return true;
             }
             mSplitSelectStateController.setSecondTask(task);
diff --git a/src/com/android/launcher3/allapps/ActivityAllAppsContainerView.java b/src/com/android/launcher3/allapps/ActivityAllAppsContainerView.java
index 4590125..cb4012f 100644
--- a/src/com/android/launcher3/allapps/ActivityAllAppsContainerView.java
+++ b/src/com/android/launcher3/allapps/ActivityAllAppsContainerView.java
@@ -18,6 +18,7 @@
 import static com.android.launcher3.allapps.ActivityAllAppsContainerView.AdapterHolder.SEARCH;
 import static com.android.launcher3.allapps.BaseAllAppsAdapter.VIEW_TYPE_WORK_DISABLED_CARD;
 import static com.android.launcher3.allapps.BaseAllAppsAdapter.VIEW_TYPE_WORK_EDU_CARD;
+import static com.android.launcher3.config.FeatureFlags.ENABLE_ALL_APPS_RV_PREINFLATION;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ALLAPPS_COUNT;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ALLAPPS_TAP_ON_PERSONAL_TAB;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ALLAPPS_TAP_ON_WORK_TAB;
@@ -79,7 +80,6 @@
 import com.android.launcher3.model.StringCache;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.testing.shared.TestProtocol;
-import com.android.launcher3.util.Executors;
 import com.android.launcher3.util.ItemInfoMatcher;
 import com.android.launcher3.util.Themes;
 import com.android.launcher3.views.ActivityContext;
@@ -141,7 +141,7 @@
     private final SearchTransitionController mSearchTransitionController;
     private final Paint mHeaderPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
     private final Rect mInsets = new Rect();
-    private final AllAppsStore mAllAppsStore = new AllAppsStore();
+    private final AllAppsStore mAllAppsStore;
     private final RecyclerView.OnScrollListener mScrollListener =
             new RecyclerView.OnScrollListener() {
                 @Override
@@ -194,6 +194,7 @@
     public ActivityAllAppsContainerView(Context context, AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
         mActivityContext = ActivityContext.lookupContext(context);
+        mAllAppsStore = new AllAppsStore(mActivityContext);
 
         mScrimColor = Themes.getAttrColor(context, R.attr.allAppsScrimColor);
         mHeaderThreshold = getResources().getDimensionPixelSize(
@@ -559,6 +560,13 @@
             mAH.get(AdapterHolder.MAIN).setup(mViewPager.getChildAt(0), mPersonalMatcher);
             mAH.get(AdapterHolder.WORK).setup(mViewPager.getChildAt(1), mWorkManager.getMatcher());
             mAH.get(AdapterHolder.WORK).mRecyclerView.setId(R.id.apps_list_view_work);
+            if (ENABLE_ALL_APPS_RV_PREINFLATION.get()) {
+                // Let main and work rv share same view pool.
+                ((RecyclerView) mViewPager.getChildAt(0))
+                        .setRecycledViewPool(mAllAppsStore.getRecyclerViewPool());
+                ((RecyclerView) mViewPager.getChildAt(1))
+                        .setRecycledViewPool(mAllAppsStore.getRecyclerViewPool());
+            }
             if (FeatureFlags.ENABLE_EXPANDING_PAUSE_WORK_BUTTON.get()) {
                 mAH.get(AdapterHolder.WORK).mRecyclerView.addOnScrollListener(
                         mWorkManager.newScrollListener());
diff --git a/src/com/android/launcher3/allapps/AllAppsRecyclerView.java b/src/com/android/launcher3/allapps/AllAppsRecyclerView.java
index 7c5c003..602d1a3 100644
--- a/src/com/android/launcher3/allapps/AllAppsRecyclerView.java
+++ b/src/com/android/launcher3/allapps/AllAppsRecyclerView.java
@@ -96,8 +96,8 @@
         int approxRows = (int) Math.ceil(grid.availableHeightPx / grid.allAppsIconSizePx);
         pool.setMaxRecycledViews(AllAppsGridAdapter.VIEW_TYPE_EMPTY_SEARCH, 1);
         pool.setMaxRecycledViews(AllAppsGridAdapter.VIEW_TYPE_ALL_APPS_DIVIDER, 1);
-        pool.setMaxRecycledViews(AllAppsGridAdapter.VIEW_TYPE_ICON, approxRows
-                * (mNumAppsPerRow + 1));
+        pool.setMaxRecycledViews(
+                AllAppsGridAdapter.VIEW_TYPE_ICON, (approxRows + 1) * grid.numShownAllAppsColumns);
     }
 
     @Override
diff --git a/src/com/android/launcher3/allapps/AllAppsStore.java b/src/com/android/launcher3/allapps/AllAppsStore.java
index 06af970..ac48709 100644
--- a/src/com/android/launcher3/allapps/AllAppsStore.java
+++ b/src/com/android/launcher3/allapps/AllAppsStore.java
@@ -15,24 +15,30 @@
  */
 package com.android.launcher3.allapps;
 
+import static com.android.launcher3.config.FeatureFlags.ENABLE_ALL_APPS_RV_PREINFLATION;
 import static com.android.launcher3.model.data.AppInfo.COMPONENT_KEY_COMPARATOR;
 import static com.android.launcher3.model.data.AppInfo.EMPTY_ARRAY;
 import static com.android.launcher3.model.data.ItemInfoWithIcon.FLAG_SHOW_DOWNLOAD_PROGRESS_MASK;
 import static com.android.launcher3.testing.shared.TestProtocol.WORK_TAB_MISSING;
 
+import android.content.Context;
 import android.os.UserHandle;
 import android.util.Log;
 import android.view.View;
 import android.view.ViewGroup;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.recyclerview.widget.RecyclerView.RecycledViewPool;
 
 import com.android.launcher3.BubbleTextView;
 import com.android.launcher3.model.data.AppInfo;
 import com.android.launcher3.model.data.ItemInfo;
+import com.android.launcher3.recyclerview.AllAppsRecyclerViewPool;
 import com.android.launcher3.testing.shared.TestProtocol;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.PackageUserKey;
+import com.android.launcher3.views.ActivityContext;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -45,8 +51,10 @@
 
 /**
  * A utility class to maintain the collection of all apps.
+ *
+ * @param <T> The type of the context.
  */
-public class AllAppsStore {
+public class AllAppsStore<T extends Context & ActivityContext> {
 
     // Defer updates flag used to defer all apps updates to the next draw.
     public static final int DEFER_UPDATES_NEXT_DRAW = 1 << 0;
@@ -64,20 +72,36 @@
     private int mModelFlags;
     private int mDeferUpdatesFlags = 0;
     private boolean mUpdatePending = false;
+    private final AllAppsRecyclerViewPool mAllAppsRecyclerViewPool = new AllAppsRecyclerViewPool();
+
+    private final T mContext;
 
     public AppInfo[] getApps() {
         return mApps;
     }
 
+    public AllAppsStore(@NonNull T context) {
+        mContext = context;
+    }
+
     /**
      * Sets the current set of apps and sets mapping for {@link PackageUserKey} to Uid for
      * the current set of apps.
      */
-    public void setApps(AppInfo[] apps, int flags, Map<PackageUserKey, Integer> map) {
+    public void setApps(AppInfo[] apps, int flags, Map<PackageUserKey, Integer> map)  {
         mApps = apps;
         mModelFlags = flags;
         notifyUpdate();
         mPackageUserKeytoUidMap = map;
+        // Preinflate all apps RV when apps has changed, which can happen after unlocking screen,
+        // rotating screen, or downloading/upgrading apps.
+        if (ENABLE_ALL_APPS_RV_PREINFLATION.get()) {
+            mAllAppsRecyclerViewPool.preInflateAllAppsViewHolders(mContext);
+        }
+    }
+
+    RecycledViewPool getRecyclerViewPool() {
+        return mAllAppsRecyclerViewPool;
     }
 
     /**
diff --git a/src/com/android/launcher3/allapps/BaseAllAppsAdapter.java b/src/com/android/launcher3/allapps/BaseAllAppsAdapter.java
index 8fa4276..72a0195 100644
--- a/src/com/android/launcher3/allapps/BaseAllAppsAdapter.java
+++ b/src/com/android/launcher3/allapps/BaseAllAppsAdapter.java
@@ -32,8 +32,8 @@
 
 import com.android.launcher3.BubbleTextView;
 import com.android.launcher3.R;
-import com.android.launcher3.allapps.search.SearchAdapterProvider;
 import com.android.launcher3.Utilities;
+import com.android.launcher3.allapps.search.SearchAdapterProvider;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.model.data.AppInfo;
 import com.android.launcher3.views.ActivityContext;
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index df24620..a070284 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -250,11 +250,6 @@
                     + "taskbar flavors");
 
     // TODO(Block 18): Clean up flags
-    public static final BooleanFlag ENABLE_LAUNCH_FROM_STAGED_APP = getDebugFlag(270395567,
-            "ENABLE_LAUNCH_FROM_STAGED_APP", ENABLED,
-            "Enable the ability to tap a staged app during split select to launch it in full "
-                    + "screen");
-
     public static final BooleanFlag ENABLE_APP_PAIRS = getDebugFlag(274189428,
             "ENABLE_APP_PAIRS", DISABLED,
             "Enables the ability to create and save app pairs on the Home screen for easy"
@@ -401,6 +396,12 @@
             "ENABLE_RESPONSIVE_WORKSPACE", DISABLED,
             "Enables new workspace grid calculations method.");
 
+    // TODO(Block 33): Clean up flags
+
+    public static final BooleanFlag ENABLE_ALL_APPS_RV_PREINFLATION = getDebugFlag(288161355,
+            "ENABLE_ALL_APPS_RV_PREINFLATION", DISABLED,
+            "Enables preinflating all apps icons to avoid scrolling jank.");
+
     public static class BooleanFlag {
 
         private final boolean mCurrentValue;
diff --git a/src/com/android/launcher3/recyclerview/AllAppsRecyclerViewPool.kt b/src/com/android/launcher3/recyclerview/AllAppsRecyclerViewPool.kt
new file mode 100644
index 0000000..26dde29
--- /dev/null
+++ b/src/com/android/launcher3/recyclerview/AllAppsRecyclerViewPool.kt
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2023 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.recyclerview
+
+import android.content.Context
+import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.RecyclerView.RecycledViewPool
+import androidx.recyclerview.widget.RecyclerView.ViewHolder
+import com.android.launcher3.BubbleTextView
+import com.android.launcher3.allapps.BaseAllAppsAdapter
+import com.android.launcher3.util.Executors.MAIN_EXECUTOR
+import com.android.launcher3.util.Executors.VIEW_PREINFLATION_EXECUTOR
+import com.android.launcher3.views.ActivityContext
+import java.util.concurrent.Future
+
+private const val PREINFLATE_ICONS_ROW_COUNT = 4
+private const val EXTRA_ICONS_COUNT = 2
+
+/**
+ * An [RecycledViewPool] that preinflates app icons ([ViewHolder] of [BubbleTextView]) of all apps
+ * [RecyclerView]. The view inflation will happen on background thread and inflated [ViewHolder]s
+ * will be added to [RecycledViewPool] on main thread.
+ */
+class AllAppsRecyclerViewPool<T> : RecycledViewPool() {
+
+    private var future: Future<Void>? = null
+
+    /**
+     * Preinflate app icons. If all apps RV cannot be scrolled down, we don't need to preinflate.
+     */
+    fun <T> preInflateAllAppsViewHolders(context: T) where T : Context, T : ActivityContext {
+        val appsView = context.appsView ?: return
+        val activeRv: RecyclerView = appsView.activeRecyclerView ?: return
+        val preInflateCount = getPreinflateCount(context)
+        if (preInflateCount <= 0) {
+            return
+        }
+
+        // Because we perform onCreateViewHolder() on worker thread, we need a separate
+        // adapter/inflator object as they are not thread-safe. Note that the adapter
+        // just need to perform onCreateViewHolder(parent, VIEW_TYPE_ICON) so it doesn't need
+        // data source information.
+        val adapter: RecyclerView.Adapter<BaseAllAppsAdapter.ViewHolder> =
+            object : BaseAllAppsAdapter<T>(context, context.appsView.layoutInflater, null, null) {
+                override fun setAppsPerRow(appsPerRow: Int) = Unit
+                override fun getLayoutManager(): RecyclerView.LayoutManager? = null
+            }
+
+        // Inflate view holders on background thread, and added to view pool on main thread.
+        future?.cancel(true)
+        future =
+            VIEW_PREINFLATION_EXECUTOR.submit<Void> {
+                val viewHolders =
+                    Array(preInflateCount) {
+                        adapter.createViewHolder(activeRv, BaseAllAppsAdapter.VIEW_TYPE_ICON)
+                    }
+                MAIN_EXECUTOR.execute {
+                    for (i in 0 until minOf(viewHolders.size, getPreinflateCount(context))) {
+                        putRecycledView(viewHolders[i])
+                    }
+                }
+                null
+            }
+    }
+
+    /**
+     * After testing on phone, foldable and tablet, we found [PREINFLATE_ICONS_ROW_COUNT] rows of
+     * app icons plus [EXTRA_ICONS_COUNT] is the magic minimal count of app icons to preinflate to
+     * suffice fast scrolling.
+     */
+    fun <T> getPreinflateCount(context: T): Int where T : Context, T : ActivityContext {
+        val targetPreinflateCount =
+            PREINFLATE_ICONS_ROW_COUNT * context.deviceProfile.numShownAllAppsColumns +
+                EXTRA_ICONS_COUNT
+        val existingPreinflateCount = getRecycledViewCount(BaseAllAppsAdapter.VIEW_TYPE_ICON)
+        return targetPreinflateCount - existingPreinflateCount
+    }
+}
diff --git a/src/com/android/launcher3/util/Executors.java b/src/com/android/launcher3/util/Executors.java
index 6978e0c..dec4b5c 100644
--- a/src/com/android/launcher3/util/Executors.java
+++ b/src/com/android/launcher3/util/Executors.java
@@ -21,6 +21,7 @@
 
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ExecutorService;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.ThreadFactory;
 import java.util.concurrent.ThreadPoolExecutor;
@@ -58,6 +59,11 @@
             new LooperExecutor(
                     createAndStartNewLooper("UiThreadHelper", Process.THREAD_PRIORITY_FOREGROUND));
 
+
+    /** A background executor to preinflate views. */
+    public static final ExecutorService VIEW_PREINFLATION_EXECUTOR =
+            java.util.concurrent.Executors.newSingleThreadExecutor();
+
     /**
      * Utility method to get a started handler thread statically
      */