diff --git a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
index a3e8b5c..ca30e72 100644
--- a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
@@ -19,6 +19,7 @@
 import static com.android.systemui.shared.system.WindowManagerWrapper.ITYPE_EXTRA_NAVIGATION_BAR;
 
 import android.animation.Animator;
+import android.animation.AnimatorSet;
 import android.annotation.ColorInt;
 import android.os.RemoteException;
 import android.util.Log;
@@ -28,6 +29,7 @@
 import android.view.WindowManagerGlobal;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 
 import com.android.launcher3.BaseQuickstepLauncher;
@@ -140,6 +142,24 @@
     }
 
     /**
+     * Adds the Launcher resume animator to the given animator set.
+     *
+     * This should be used to run a Launcher resume animation whose progress matches a
+     * swipe progress.
+     *
+     * @param placeholderDuration a placeholder duration to be used to ensure all full-length
+     *                            sub-animations are properly coordinated. This duration should not
+     *                            actually be used since this animation tracks a swipe progress.
+     */
+    protected void addLauncherResumeAnimation(AnimatorSet animation, int placeholderDuration) {
+        animation.play(onLauncherResumedOrPaused(
+                /* isResumed= */ true,
+                /* fromInit= */ false,
+                /* startAnimation= */ false,
+                placeholderDuration));
+    }
+
+    /**
      * Should be called from onResume() and onPause(), and animates the Taskbar accordingly.
      */
     public void onLauncherResumedOrPaused(boolean isResumed) {
@@ -147,9 +167,19 @@
     }
 
     private void onLauncherResumedOrPaused(boolean isResumed, boolean fromInit) {
+        onLauncherResumedOrPaused(
+                isResumed,
+                fromInit,
+                /* startAnimation= */ true,
+                QuickstepTransitionManager.CONTENT_ALPHA_DURATION);
+    }
+
+    @Nullable
+    private Animator onLauncherResumedOrPaused(
+            boolean isResumed, boolean fromInit, boolean startAnimation, int duration) {
         if (mKeyguardController.isScreenOff()) {
             if (!isResumed) {
-                return;
+                return null;
             } else {
                 // Resuming implicitly means device unlocked
                 mKeyguardController.setScreenOn();
@@ -157,8 +187,7 @@
         }
 
         mTaskbarLauncherStateController.updateStateForFlag(FLAG_RESUMED, isResumed);
-        mTaskbarLauncherStateController.applyState(
-                fromInit ? 0 : QuickstepTransitionManager.CONTENT_ALPHA_DURATION);
+        return mTaskbarLauncherStateController.applyState(fromInit ? 0 : duration, startAnimation);
     }
 
     /**
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
index 2f32219..ed1001c 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
@@ -29,6 +29,7 @@
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_QUICK_SETTINGS_EXPANDED;
 
 import android.animation.AnimatorSet;
+import android.animation.ValueAnimator;
 import android.app.ActivityOptions;
 import android.content.ActivityNotFoundException;
 import android.content.Context;
@@ -60,6 +61,8 @@
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.R;
+import com.android.launcher3.anim.AnimatorPlaybackController;
+import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.dot.DotInfo;
 import com.android.launcher3.folder.Folder;
 import com.android.launcher3.folder.FolderIcon;
@@ -735,6 +738,45 @@
     }
 
     /**
+     * Displays a single frame of the Launcher start from SUW animation.
+     *
+     * This animation is a combination of the Launcher resume animation, which animates the hotseat
+     * icons into position, the Taskbar unstash to hotseat animation, which animates the Taskbar
+     * stash bar into the hotseat icons, and an override to prevent showing the Taskbar all apps
+     * button.
+     *
+     * This should be used to run a Taskbar unstash to hotseat animation whose progress matches a
+     * swipe progress.
+     *
+     * @param duration a placeholder duration to be used to ensure all full-length
+     *                 sub-animations are properly coordinated. This duration should not actually
+     *                 be used since this animation tracks a swipe progress.
+     */
+    protected AnimatorPlaybackController createLauncherStartFromSuwAnim(int duration) {
+        AnimatorSet fullAnimation = new AnimatorSet();
+        fullAnimation.setDuration(duration);
+
+        TaskbarUIController uiController = mControllers.uiController;
+        if (uiController instanceof LauncherTaskbarUIController) {
+            ((LauncherTaskbarUIController) uiController).addLauncherResumeAnimation(
+                    fullAnimation, duration);
+        }
+        mControllers.taskbarStashController.addUnstashToHotseatAnimation(fullAnimation, duration);
+
+        if (!FeatureFlags.ENABLE_ALL_APPS_BUTTON_IN_HOTSEAT.get()) {
+            ValueAnimator alphaOverride = ValueAnimator.ofFloat(0, 1);
+            alphaOverride.setDuration(duration);
+            alphaOverride.addUpdateListener(a -> {
+                // Override the alpha updates in the icon alignment animation.
+                mControllers.taskbarViewController.getAllAppsButtonView().setAlpha(0);
+            });
+            fullAnimation.play(alphaOverride);
+        }
+
+        return AnimatorPlaybackController.wrap(fullAnimation, duration);
+    }
+
+    /**
      * Called when we determine the touchable region.
      *
      * @param exclude {@code true} then the magnification region computation will omit the window.
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
index 2e37170..ef7bab9 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
@@ -39,6 +39,7 @@
 import com.android.launcher3.BaseQuickstepLauncher;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.LauncherAppState;
+import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.statemanager.StatefulActivity;
 import com.android.launcher3.taskbar.unfold.NonDestroyableScopedUnfoldTransitionProgressProvider;
 import com.android.launcher3.util.DisplayController;
@@ -183,6 +184,17 @@
     }
 
     /**
+     * Displays a frame of the first Launcher reveal animation.
+     *
+     * This should be used to run a first Launcher reveal animation whose progress matches a swipe
+     * progress.
+     */
+    public AnimatorPlaybackController createLauncherStartFromSuwAnim(int duration) {
+        return mTaskbarActivityContext == null
+                ? null : mTaskbarActivityContext.createLauncherStartFromSuwAnim(duration);
+    }
+
+    /**
      * Called when the user is unlocked
      */
     public void onUserUnlocked() {
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
index 7d95743..fc9f9d0 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
@@ -35,6 +35,8 @@
 
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Utilities;
+import com.android.launcher3.anim.AnimatorListeners;
+import com.android.launcher3.taskbar.allapps.TaskbarAllAppsSlideInView;
 import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.util.MultiValueAlpha.AlphaProperty;
 import com.android.quickstep.AnimatedFloat;
@@ -368,12 +370,33 @@
     }
 
     /**
+     * Adds the Taskbar unstash to Hotseat animator to the animator set.
+     *
+     * This should be used to run a Taskbar unstash to Hotseat animation whose progress matches a
+     * swipe progress.
+     *
+     * @param placeholderDuration a placeholder duration to be used to ensure all full-length
+     *                            sub-animations are properly coordinated. This duration should not
+     *                            actually be used since this animation tracks a swipe progress.
+     */
+    protected void addUnstashToHotseatAnimation(AnimatorSet animation, int placeholderDuration) {
+        createAnimToIsStashed(
+                /* isStashed= */ false,
+                placeholderDuration,
+                /* startDelay= */ 0,
+                /* animateBg= */ false);
+        animation.play(mAnimator);
+    }
+
+    /**
      * Create a stash animation and save to {@link #mAnimator}.
      * @param isStashed whether it's a stash animation or an unstash animation
      * @param duration duration of the animation
      * @param startDelay how many milliseconds to delay the animation after starting it.
+     * @param animateBg whether the taskbar's background should be animated
      */
-    private void createAnimToIsStashed(boolean isStashed, long duration, long startDelay) {
+    private void createAnimToIsStashed(
+            boolean isStashed, long duration, long startDelay, boolean animateBg) {
         if (mAnimator != null) {
             mAnimator.cancel();
         }
@@ -408,10 +431,14 @@
             secondHalfDurationScale = 0.5f;
             final float stashTranslation = (mUnstashedHeight - mStashedHeight) / 2f;
 
-            fullLengthAnimatorSet.playTogether(
-                    mTaskbarBackgroundOffset.animateToValue(1),
-                    mIconTranslationYForStash.animateToValue(stashTranslation)
-            );
+            fullLengthAnimatorSet.play(mIconTranslationYForStash.animateToValue(stashTranslation));
+            if (animateBg) {
+                fullLengthAnimatorSet.play(mTaskbarBackgroundOffset.animateToValue(1));
+            } else {
+                fullLengthAnimatorSet.addListener(AnimatorListeners.forEndCallback(
+                        () -> mTaskbarBackgroundOffset.updateValue(1)));
+            }
+
             firstHalfAnimatorSet.playTogether(
                     mIconAlphaForStash.animateToValue(0),
                     mIconScaleForStash.animateToValue(STASHED_TASKBAR_SCALE)
@@ -424,10 +451,15 @@
             secondHalfDurationScale = 0.75f;
 
             fullLengthAnimatorSet.playTogether(
-                    mTaskbarBackgroundOffset.animateToValue(0),
                     mIconScaleForStash.animateToValue(1),
-                    mIconTranslationYForStash.animateToValue(0)
-            );
+                    mIconTranslationYForStash.animateToValue(0));
+            if (animateBg) {
+                fullLengthAnimatorSet.play(mTaskbarBackgroundOffset.animateToValue(0));
+            } else {
+                fullLengthAnimatorSet.addListener(AnimatorListeners.forEndCallback(
+                        () -> mTaskbarBackgroundOffset.updateValue(0)));
+            }
+
             firstHalfAnimatorSet.playTogether(
                     mTaskbarStashedHandleAlpha.animateToValue(0)
             );
@@ -728,7 +760,7 @@
                 mIsStashed = isStashed;
 
                 // This sets mAnimator.
-                createAnimToIsStashed(mIsStashed, duration, startDelay);
+                createAnimToIsStashed(mIsStashed, duration, startDelay, /* animateBg= */ true);
                 if (start) {
                     mAnimator.start();
                 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
index 5db495d..3dd7932 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
@@ -258,21 +258,21 @@
         setter.addOnFrameListener(anim -> mActivity.setTaskbarWindowHeight(
                 anim.getAnimatedFraction() > 0 ? expandedHeight : collapsedHeight));
 
-        int count = mTaskbarView.getChildCount();
-        for (int i = 0; i < count; i++) {
+        for (int i = 0; i < mTaskbarView.getChildCount(); i++) {
             View child = mTaskbarView.getChildAt(i);
 
-            int positionInHotseat = -1;
-            boolean isRtl = Utilities.isRtl(child.getResources());
+            int positionInHotseat;
             if (FeatureFlags.ENABLE_ALL_APPS_IN_TASKBAR.get()
-                    && ((isRtl && i == 0) || (!isRtl && i == count - 1))) {
+                    && child == mTaskbarView.getAllAppsButtonView()) {
                 // Note that there is no All Apps button in the hotseat, this position is only used
                 // as its convenient for animation purposes.
-                positionInHotseat = isRtl
+                positionInHotseat = Utilities.isRtl(child.getResources())
                         ? -1
                         : mActivity.getDeviceProfile().numShownHotseatIcons;
 
-                setter.setViewAlpha(child, 0, LINEAR);
+                if (!FeatureFlags.ENABLE_ALL_APPS_BUTTON_IN_HOTSEAT.get()) {
+                    setter.setViewAlpha(child, 0, LINEAR);
+                }
             } else if (child.getTag() instanceof ItemInfo) {
                 positionInHotseat = ((ItemInfo) child.getTag()).screenId;
             } else {
diff --git a/quickstep/src/com/android/quickstep/interaction/AllSetActivity.java b/quickstep/src/com/android/quickstep/interaction/AllSetActivity.java
index 269b3c2..a379aad 100644
--- a/quickstep/src/com/android/quickstep/interaction/AllSetActivity.java
+++ b/quickstep/src/com/android/quickstep/interaction/AllSetActivity.java
@@ -17,6 +17,7 @@
 
 import static com.android.launcher3.Utilities.mapBoundToRange;
 import static com.android.launcher3.Utilities.mapRange;
+import static com.android.launcher3.anim.Interpolators.FAST_OUT_SLOW_IN;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
 
 import android.animation.Animator;
@@ -54,6 +55,7 @@
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
+import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.util.Executors;
 import com.android.quickstep.AnimatedFloat;
 import com.android.quickstep.GestureState;
@@ -78,6 +80,8 @@
 
     private static final float HINT_BOTTOM_FACTOR = 1 - .94f;
 
+    private static final int MAX_SWIPE_DURATION = 350;
+
     private TISBindHelper mTISBindHelper;
     private TISBinder mBinder;
 
@@ -90,6 +94,8 @@
     private LottieAnimationView mAnimatedBackground;
     private Animator.AnimatorListener mBackgroundAnimatorListener;
 
+    private AnimatorPlaybackController mLauncherStartAnim = null;
+
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -237,11 +243,20 @@
 
     private void onSwipeProgressUpdate() {
         mBackground.setProgress(mSwipeProgress.value);
-        float alpha = Utilities.mapBoundToRange(mSwipeProgress.value, 0, HINT_BOTTOM_FACTOR,
-                1, 0, LINEAR);
+        float alpha = Utilities.mapBoundToRange(
+                mSwipeProgress.value, 0, HINT_BOTTOM_FACTOR, 1, 0, LINEAR);
         mContentView.setAlpha(alpha);
         mContentView.setTranslationY((alpha - 1) * mSwipeUpShift);
 
+        if (mLauncherStartAnim == null) {
+            mLauncherStartAnim = mBinder.getTaskbarManager().createLauncherStartFromSuwAnim(
+                    MAX_SWIPE_DURATION);
+        }
+        if (mLauncherStartAnim != null) {
+            mLauncherStartAnim.setPlayFraction(Utilities.mapBoundToRange(
+                    mSwipeProgress.value, 0, 1, 0, 1, FAST_OUT_SLOW_IN));
+        }
+
         if (alpha == 0f) {
             mAnimatedBackground.pauseAnimation();
         } else if (!mAnimatedBackground.isAnimating()) {
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index dd99a7a..2612a7d 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -57,13 +57,18 @@
     <dimen name="workspace_page_indicator_line_height">1dp</dimen>
     <dimen name="workspace_page_indicator_overlap_workspace">0dp</dimen>
 
-<!-- Drop target bar -->
+    <!-- Drop target bar -->
     <dimen name="dynamic_grid_drop_target_size">56dp</dimen>
     <dimen name="drop_target_vertical_gap">20dp</dimen>
     <dimen name="drop_target_top_margin">32dp</dimen>
     <dimen name="drop_target_bottom_margin">16dp</dimen>
 
-<!-- App Widget resize frame -->
+    <!-- App Widget resize frame -->
+    <!-- Button drop target bar -->
+    <dimen name="button_drop_target_min_text_size">10sp</dimen>
+    <dimen name="button_drop_target_resize_text_increment">1sp</dimen>
+
+    <!-- App Widget resize frame -->
     <dimen name="widget_handle_margin">13dp</dimen>
     <dimen name="resize_frame_background_padding">24dp</dimen>
     <dimen name="resize_frame_margin">22dp</dimen>
@@ -76,7 +81,7 @@
     <dimen name="widget_reconfigure_button_size">36dp</dimen>
     <dimen name="widget_reconfigure_tip_top_margin">16dp</dimen>
 
-<!-- Fast scroll -->
+    <!-- Fast scroll -->
     <dimen name="fastscroll_track_min_width">6dp</dimen>
     <dimen name="fastscroll_track_max_width">8dp</dimen>
     <dimen name="fastscroll_thumb_padding">1dp</dimen>
@@ -136,19 +141,20 @@
     <dimen name="all_apps_paged_view_top_padding">40dp</dimen>
     <dimen name="all_apps_personal_work_tabs_vertical_margin">16dp</dimen>
 
+    <dimen name="all_apps_icon_drawable_padding">8dp</dimen>
     <!-- The size of corner radius of the arrow in the arrow toast. -->
     <dimen name="arrow_toast_corner_radius">2dp</dimen>
     <dimen name="arrow_toast_elevation">2dp</dimen>
     <dimen name="arrow_toast_arrow_width">10dp</dimen>
 
-<!-- Search bar in All Apps -->
+    <!-- Search bar in All Apps -->
     <dimen name="all_apps_header_max_elevation">3dp</dimen>
     <dimen name="all_apps_header_scroll_to_elevation">16dp</dimen>
     <dimen name="all_apps_header_shadow_height">6dp</dimen>
 
     <dimen name="all_apps_divider_margin_vertical">8dp</dimen>
 
-<!-- Floating action button inside work tab to toggle work profile -->
+    <!-- Floating action button inside work tab to toggle work profile -->
     <dimen name="work_fab_height">56dp</dimen>
     <dimen name="work_fab_radius">16dp</dimen>
     <dimen name="work_card_padding_horizontal">10dp</dimen>
@@ -219,13 +225,13 @@
     <dimen name="shortcut_preview_padding_right">0dp</dimen>
     <dimen name="shortcut_preview_padding_top">0dp</dimen>
 
-<!-- Pin widget dialog -->
+    <!-- Pin widget dialog -->
     <dimen name="pin_widget_button_padding_horizontal">8dp</dimen>
     <dimen name="pin_widget_button_padding_vertical">4dp</dimen>
     <dimen name="pin_widget_button_inset_horizontal">4dp</dimen>
     <dimen name="pin_widget_button_inset_vertical">6dp</dimen>
 
-<!-- Dragging -->
+    <!-- Dragging -->
     <!-- Drag padding to add to the bottom of drop targets -->
     <dimen name="drop_target_drag_padding">14dp</dimen>
     <dimen name="drop_target_text_size">16sp</dimen>
@@ -250,7 +256,7 @@
     <dimen name="spring_loaded_panel_border">2dp</dimen>
     <dimen name="keyboard_drag_stroke_width">4dp</dimen>
 
-<!-- Folders -->
+    <!-- Folders -->
     <dimen name="page_indicator_dot_size">8dp</dimen>
 
     <dimen name="folder_cell_x_padding">9dp</dimen>
@@ -262,22 +268,22 @@
     <dimen name="folder_content_padding_left_right">8dp</dimen>
     <dimen name="folder_content_padding_top">16dp</dimen>
 
-<!-- Sizes for managed profile badges -->
+    <!-- Sizes for managed profile badges -->
     <dimen name="profile_badge_size">24dp</dimen>
     <dimen name="profile_badge_margin">5dp</dimen>
     <dimen name="profile_badge_minimum_top">2dp</dimen>
 
-<!-- Shadows and outlines -->
+    <!-- Shadows and outlines -->
     <dimen name="blur_size_thin_outline">1dp</dimen>
     <dimen name="blur_size_medium_outline">2dp</dimen>
     <dimen name="blur_size_click_shadow">4dp</dimen>
     <dimen name="click_shadow_high_shift">2dp</dimen>
 
-<!-- Pending widget -->
+    <!-- Pending widget -->
     <dimen name="pending_widget_min_padding">8dp</dimen>
     <dimen name="pending_widget_elevation">2dp</dimen>
 
-<!-- Deep shortcuts -->
+    <!-- Deep shortcuts -->
     <dimen name="deep_shortcuts_elevation">2dp</dimen>
     <dimen name="bg_popup_padding">2dp</dimen>
     <dimen name="bg_popup_item_width">216dp</dimen>
@@ -311,7 +317,7 @@
     <!-- (system_shortcut_header_icon_touch_size - system_shortcut_icon_size) / 2 -->
     <dimen name="system_shortcut_header_icon_padding">14dp</dimen>
 
-<!-- Notifications -->
+    <!-- Notifications -->
     <dimen name="bg_round_rect_radius">8dp</dimen>
     <dimen name="notification_max_trans">8dp</dimen>
     <dimen name="notification_space">8dp</dimen>
@@ -329,11 +335,11 @@
     <dimen name="notification_main_text_padding_start">56dp</dimen>
     <dimen name="horizontal_ellipsis_size">18dp</dimen>
 
-<!-- Overview -->
+    <!-- Overview -->
     <dimen name="options_menu_icon_size">24dp</dimen>
     <dimen name="options_menu_thumb_size">32dp</dimen>
 
-<!-- Snackbar -->
+    <!-- Snackbar -->
     <dimen name="snackbar_height">48dp</dimen>
     <dimen name="snackbar_content_height">32dp</dimen>
     <dimen name="snackbar_padding">8dp</dimen>
@@ -345,17 +351,17 @@
     <dimen name="snackbar_max_text_size">14sp</dimen>
     <dimen name="snackbar_max_width">504dp</dimen>
 
-<!-- Developer Options -->
+    <!-- Developer Options -->
     <dimen name="developer_options_filter_margins">10dp</dimen>
 
-<!-- Theming related -->
+    <!-- Theming related -->
     <dimen name="default_dialog_corner_radius">8dp</dimen>
     <dimen name="dialogCornerRadius">@dimen/default_dialog_corner_radius</dimen>
 
     <!-- Onboarding bottomsheet related -->
     <dimen name="bottom_sheet_edu_padding">24dp</dimen>
 
-<!-- Taskbar related (placeholders to compile in Launcher3 without Quickstep) -->
+    <!-- Taskbar related (placeholders to compile in Launcher3 without Quickstep) -->
     <dimen name="taskbar_size">0dp</dimen>
     <dimen name="taskbar_stashed_size">0dp</dimen>
     <dimen name="qsb_widget_height">0dp</dimen>
@@ -366,10 +372,10 @@
     <!-- Size of the maximum radius for the enforced rounded rectangles. -->
     <dimen name="enforced_rounded_corner_max_radius">16dp</dimen>
 
-<!-- Base Swipe Detector, speed in dp/s -->
+    <!-- Base Swipe Detector, speed in dp/s -->
     <dimen name="base_swift_detector_fling_release_velocity">1dp</dimen>
 
-<!-- Overview placeholder to compile in Launcher3 without Quickstep -->
+    <!-- Overview placeholder to compile in Launcher3 without Quickstep -->
     <dimen name="task_thumbnail_icon_size">0dp</dimen>
     <dimen name="task_thumbnail_icon_drawable_size">0dp</dimen>
     <dimen name="task_thumbnail_icon_drawable_size_grid">0dp</dimen>
@@ -388,17 +394,17 @@
     <dimen name="task_menu_width_grid">216dp</dimen>
 
 
-<!-- Workspace grid visualization parameters -->
+    <!-- Workspace grid visualization parameters -->
     <dimen name="grid_visualization_rounding_radius">28dp</dimen>
     <dimen name="grid_visualization_horizontal_cell_spacing">6dp</dimen>
     <dimen name="grid_visualization_vertical_cell_spacing">6dp</dimen>
 
-<!-- Search results related parameters -->
+    <!-- Search results related parameters -->
     <dimen name="search_row_icon_size">48dp</dimen>
     <dimen name="search_row_small_icon_size">32dp</dimen>
     <dimen name="padded_rounded_button_padding">8dp</dimen>
 
-<!-- Bottom sheet related parameters -->
+    <!-- Bottom sheet related parameters -->
     <dimen name="bottom_sheet_extra_top_padding">0dp</dimen>
     <dimen name="bottom_sheet_handle_width">32dp</dimen>
     <dimen name="bottom_sheet_handle_height">4dp</dimen>
diff --git a/res/xml/device_profiles.xml b/res/xml/device_profiles.xml
index 290bc8c..0802552 100644
--- a/res/xml/device_profiles.xml
+++ b/res/xml/device_profiles.xml
@@ -34,6 +34,8 @@
             launcher:minHeightDps="300"
             launcher:iconImageSize="48"
             launcher:iconTextSize="13.0"
+            launcher:allAppsBorderSpace="16"
+            launcher:allAppsCellHeight="104"
             launcher:canBeDefault="true" />
 
         <display-option
@@ -42,6 +44,8 @@
             launcher:minHeightDps="400"
             launcher:iconImageSize="48"
             launcher:iconTextSize="13.0"
+            launcher:allAppsBorderSpace="16"
+            launcher:allAppsCellHeight="104"
             launcher:canBeDefault="true" />
 
     </grid-option>
@@ -63,6 +67,8 @@
             launcher:minHeightDps="420"
             launcher:iconImageSize="48"
             launcher:iconTextSize="13.0"
+            launcher:allAppsBorderSpace="16"
+            launcher:allAppsCellHeight="104"
             launcher:canBeDefault="true" />
 
         <display-option
@@ -71,6 +77,8 @@
             launcher:minHeightDps="450"
             launcher:iconImageSize="48"
             launcher:iconTextSize="13.0"
+            launcher:allAppsBorderSpace="16"
+            launcher:allAppsCellHeight="104"
             launcher:canBeDefault="true" />
 
         <display-option
@@ -79,6 +87,8 @@
             launcher:minHeightDps="491.33"
             launcher:iconImageSize="48"
             launcher:iconTextSize="13.0"
+            launcher:allAppsBorderSpace="16"
+            launcher:allAppsCellHeight="104"
             launcher:canBeDefault="true" />
 
         <display-option
@@ -87,6 +97,8 @@
             launcher:minHeightDps="567"
             launcher:iconImageSize="54"
             launcher:iconTextSize="13.0"
+            launcher:allAppsBorderSpace="16"
+            launcher:allAppsCellHeight="104"
             launcher:canBeDefault="true" />
 
         <display-option
@@ -95,6 +107,8 @@
             launcher:minHeightDps="567"
             launcher:iconImageSize="54"
             launcher:iconTextSize="13.0"
+            launcher:allAppsBorderSpace="16"
+            launcher:allAppsCellHeight="104"
             launcher:canBeDefault="true" />
 
     </grid-option>
@@ -116,6 +130,8 @@
             launcher:minHeightDps="694"
             launcher:iconImageSize="56"
             launcher:iconTextSize="14.4"
+            launcher:allAppsBorderSpace="16"
+            launcher:allAppsCellHeight="104"
             launcher:canBeDefault="true" />
 
         <display-option
@@ -124,6 +140,8 @@
             launcher:minHeightDps="694"
             launcher:iconImageSize="56"
             launcher:iconTextSize="14.4"
+            launcher:allAppsBorderSpace="16"
+            launcher:allAppsCellHeight="104"
             launcher:canBeDefault="true" />
 
         <display-option
@@ -132,6 +150,8 @@
             launcher:minHeightDps="400"
             launcher:iconImageSize="48"
             launcher:iconTextSize="13.0"
+            launcher:allAppsBorderSpace="16"
+            launcher:allAppsCellHeight="104"
             launcher:canBeDefault="true" />
 
     </grid-option>
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index f028d3c..5152217 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -255,7 +255,6 @@
         mInsets.set(windowBounds.insets);
 
         isScalableGrid = inv.isScalable && !isVerticalBarLayout() && !isMultiWindowMode;
-
         // Determine device posture.
         mInfo = info;
         isTablet = info.isTablet(windowBounds);
@@ -265,8 +264,8 @@
 
         // Some more constants.
         context = getContext(context, info, isVerticalBarLayout() || (isTablet && isLandscape)
-                ? Configuration.ORIENTATION_LANDSCAPE
-                : Configuration.ORIENTATION_PORTRAIT,
+                        ? Configuration.ORIENTATION_LANDSCAPE
+                        : Configuration.ORIENTATION_PORTRAIT,
                 windowBounds);
         final Resources res = context.getResources();
         mMetrics = res.getDisplayMetrics();
@@ -313,7 +312,6 @@
         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);
@@ -795,27 +793,26 @@
         allAppsBorderSpacePx = new Point(
                 pxFromDp(inv.allAppsBorderSpaces[mTypeIndex].x, mMetrics, scale),
                 pxFromDp(inv.allAppsBorderSpaces[mTypeIndex].y, mMetrics, scale));
+        // AllApps cells don't have real space between cells,
+        // so we add the border space to the cell height
+        allAppsCellHeightPx = pxFromDp(inv.allAppsCellSize[mTypeIndex].y, mMetrics, scale)
+                + allAppsBorderSpacePx.y;
+        // but width is just the cell,
+        // the border is added in #updateAllAppsContainerWidth
+        allAppsCellWidthPx = pxFromDp(inv.allAppsCellSize[mTypeIndex].x, mMetrics, scale);
         if (isScalableGrid) {
             allAppsIconSizePx =
                     pxFromDp(inv.allAppsIconSize[mTypeIndex], mMetrics);
             allAppsIconTextSizePx =
                     pxFromSp(inv.allAppsIconTextSize[mTypeIndex], mMetrics);
             allAppsIconDrawablePaddingPx = iconDrawablePaddingOriginalPx;
-            // AllApps cells don't have real space between cells,
-            // so we add the border space to the cell height
-            allAppsCellHeightPx = pxFromDp(inv.allAppsCellSize[mTypeIndex].y, mMetrics, scale)
-                    + allAppsBorderSpacePx.y;
-            // but width is just the cell,
-            // the border is added in #updateAllAppsContainerWidth
-            allAppsCellWidthPx = pxFromDp(inv.allAppsCellSize[mTypeIndex].x, mMetrics, scale);
         } else {
-            float invIconSizeDp = inv.iconSize[mTypeIndex];
-            float invIconTextSizeSp = inv.iconTextSize[mTypeIndex];
+            float invIconSizeDp = inv.allAppsIconSize[mTypeIndex];
+            float invIconTextSizeSp = inv.allAppsIconTextSize[mTypeIndex];
             allAppsIconSizePx = Math.max(1, pxFromDp(invIconSizeDp, mMetrics, scale));
             allAppsIconTextSizePx = (int) (pxFromSp(invIconTextSizeSp, mMetrics) * scale);
-            allAppsIconDrawablePaddingPx = (int) (iconDrawablePaddingOriginalPx * scale);
-            allAppsCellWidthPx = allAppsIconSizePx + (2 * allAppsIconDrawablePaddingPx);
-            allAppsCellHeightPx = getCellSize().y;
+            allAppsIconDrawablePaddingPx =
+                    res.getDimensionPixelSize(R.dimen.all_apps_icon_drawable_padding);
         }
 
         updateAllAppsContainerWidth(res);
@@ -1145,7 +1142,7 @@
             return Math.min(qsbBottomMarginPx + taskbarSize, freeSpace);
         } else {
             return (int) (freeSpace * mQsbCenterFactor)
-                + (isTaskbarPresent ? taskbarSize : mInsets.bottom);
+                    + (isTaskbarPresent ? taskbarSize : mInsets.bottom);
         }
     }
 
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index 54edb33..9775b87 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -246,6 +246,10 @@
             "ENABLE_ALL_APPS_IN_TASKBAR", true,
             "Enables accessing All Apps from the system Taskbar.");
 
+    public static final BooleanFlag ENABLE_ALL_APPS_BUTTON_IN_HOTSEAT = getDebugFlag(
+            "ENABLE_ALL_APPS_BUTTON_IN_HOTSEAT", false,
+            "Enables displaying the all apps button in the hotseat.");
+
     public static final BooleanFlag ENABLE_ALL_APPS_ONE_SEARCH_IN_TASKBAR = getDebugFlag(
             "ENABLE_ALL_APPS_ONE_SEARCH_IN_TASKBAR", false,
             "Enables One Search box in Taskbar All Apps.");
diff --git a/src/com/android/launcher3/logging/StatsLogManager.java b/src/com/android/launcher3/logging/StatsLogManager.java
index 2b6e426..f4f270c 100644
--- a/src/com/android/launcher3/logging/StatsLogManager.java
+++ b/src/com/android/launcher3/logging/StatsLogManager.java
@@ -731,7 +731,8 @@
         enum LatencyType {
             UNKNOWN(0),
             COLD(1),
-            HOT(2);
+            HOT(2),
+            TIMEOUT(3);
 
             private final int mId;
 
diff --git a/src/com/android/launcher3/model/BaseLoaderResults.java b/src/com/android/launcher3/model/BaseLoaderResults.java
index 6c4cfb9..b50ab58 100644
--- a/src/com/android/launcher3/model/BaseLoaderResults.java
+++ b/src/com/android/launcher3/model/BaseLoaderResults.java
@@ -43,6 +43,7 @@
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
+import java.util.Objects;
 import java.util.concurrent.Executor;
 
 /**
@@ -203,7 +204,9 @@
         }
 
         private void bind() {
-            IntSet currentScreenIds = mCallbacks.getPagesToBindSynchronously(mOrderedScreenIds);
+            final IntSet currentScreenIds =
+                    mCallbacks.getPagesToBindSynchronously(mOrderedScreenIds);
+            Objects.requireNonNull(currentScreenIds, "Null screen ids provided by " + mCallbacks);
 
             // Separate the items that are on the current screen, and all the other remaining items
             ArrayList<ItemInfo> currentWorkspaceItems = new ArrayList<>();
diff --git a/src/com/android/launcher3/model/BgDataModel.java b/src/com/android/launcher3/model/BgDataModel.java
index d52537e..de23c4b 100644
--- a/src/com/android/launcher3/model/BgDataModel.java
+++ b/src/com/android/launcher3/model/BgDataModel.java
@@ -31,6 +31,7 @@
 import android.util.ArraySet;
 import android.util.Log;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
 import com.android.launcher3.LauncherSettings;
@@ -469,6 +470,7 @@
          * or an empty IntSet
          * @param orderedScreenIds All the page ids to be bound
          */
+        @NonNull
         default IntSet getPagesToBindSynchronously(IntArray orderedScreenIds) {
             return new IntSet();
         }
diff --git a/src/com/android/launcher3/model/ModelUtils.java b/src/com/android/launcher3/model/ModelUtils.java
index df6768d..422af43 100644
--- a/src/com/android/launcher3/model/ModelUtils.java
+++ b/src/com/android/launcher3/model/ModelUtils.java
@@ -51,7 +51,7 @@
      * specified screen.
      */
     public static <T extends ItemInfo> void filterCurrentWorkspaceItems(
-            IntSet currentScreenIds,
+            final IntSet currentScreenIds,
             ArrayList<T> allWorkspaceItems,
             ArrayList<T> currentScreenItems,
             ArrayList<T> otherScreenItems) {