diff --git a/build.gradle b/build.gradle
index e4ade88..68ed73d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -170,7 +170,7 @@
 protobuf {
     // Configure the protoc executable
     protoc {
-        artifact = "com.google.protobuf:protoc:${protocVersion}"
+        artifact = "com.google.protobuf:protoc:${protocVersion}${PROTO_ARCH_SUFFIX}"
     }
     generateProtoTasks {
         all().each { task ->
diff --git a/quickstep/res/values-sw720dp/dimens.xml b/quickstep/res/values-sw720dp/dimens.xml
index 05e269b..e381cb0 100644
--- a/quickstep/res/values-sw720dp/dimens.xml
+++ b/quickstep/res/values-sw720dp/dimens.xml
@@ -15,6 +15,11 @@
 */
 -->
 <resources>
-    <dimen name="overview_grid_row_spacing">44dp</dimen>
+    <dimen name="overview_task_margin">16dp</dimen>
+    <dimen name="overview_task_margin_grid">16dp</dimen>
+    <dimen name="overview_grid_side_margin">64dp</dimen>
+    <dimen name="overview_grid_row_spacing">36dp</dimen>
     <dimen name="overview_page_spacing">44dp</dimen>
+    <dimen name="task_thumbnail_icon_drawable_size">44dp</dimen>
+    <dimen name="task_thumbnail_icon_drawable_size_grid">44dp</dimen>
 </resources>
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarEduPagedView.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarEduPagedView.java
index 5efcc4d..8e57ea6 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarEduPagedView.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarEduPagedView.java
@@ -52,7 +52,7 @@
     }
 
     @Override
-    protected int getChildGap() {
+    protected int getChildGap(int fromIndex, int toIndex) {
         return mTaskbarEduView.getPaddingLeft() + mTaskbarEduView.getPaddingRight();
     }
 
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
index 5ce4fa7..494d21e 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
@@ -89,8 +89,13 @@
      */
     private final TaskbarSharedState mSharedState = new TaskbarSharedState();
 
-    private static final int CHANGE_FLAGS = CHANGE_ACTIVE_SCREEN | CHANGE_DENSITY
-            | CHANGE_SUPPORTED_BOUNDS | CHANGE_NAVIGATION_MODE;
+    /**
+     * We use WindowManager's ComponentCallbacks() for most of the config changes, however for
+     * navigation mode, that callback gets called too soon, before it's internal navigation mode
+     * reflects the current one.
+     * DisplayController's callback is delayed enough to get the correct nav mode value
+     */
+    private static final int CHANGE_FLAGS = CHANGE_NAVIGATION_MODE;
 
     private boolean mUserUnlocked = false;
 
@@ -108,19 +113,29 @@
 
             @Override
             public void onConfigurationChanged(Configuration newConfig) {
+                DeviceProfile dp = mUserUnlocked
+                        ? LauncherAppState.getIDP(mContext).getDeviceProfile(mContext)
+                        : null;
                 int configDiff = mOldConfig.diff(newConfig);
                 int configsRequiringRecreate = ActivityInfo.CONFIG_ASSETS_PATHS
-                        | ActivityInfo.CONFIG_LAYOUT_DIRECTION | ActivityInfo.CONFIG_UI_MODE;
+                        | ActivityInfo.CONFIG_LAYOUT_DIRECTION | ActivityInfo.CONFIG_UI_MODE
+                        | ActivityInfo.CONFIG_DENSITY | ActivityInfo.CONFIG_SCREEN_SIZE;
                 if ((configDiff & configsRequiringRecreate) != 0) {
-                    // Color has changed, recreate taskbar to reload background color & icons.
-                    recreateTaskbar();
+                    if ((configDiff & ActivityInfo.CONFIG_SCREEN_SIZE) != 0 &&
+                            mTaskbarActivityContext != null && dp != null) {
+                        DeviceProfile oldDp = mTaskbarActivityContext.getDeviceProfile();
+                        // Additional check since this callback gets fired multiple times w/o
+                        // screen size changing
+                        if (dp.widthPx != oldDp.widthPx || dp.heightPx != oldDp.heightPx) {
+                            recreateTaskbar();
+                        }
+                    } else {
+                        // Color has changed, recreate taskbar to reload background color & icons.
+                        recreateTaskbar();
+                    }
                 } else {
                     // Config change might be handled without re-creating the taskbar
                     if (mTaskbarActivityContext != null) {
-                        DeviceProfile dp = mUserUnlocked
-                                ? LauncherAppState.getIDP(mContext).getDeviceProfile(mContext)
-                                : null;
-
                         if (dp != null && dp.isTaskbarPresent) {
                             mTaskbarActivityContext.updateDeviceProfile(dp.copy(mContext));
                         }
diff --git a/quickstep/src/com/android/quickstep/OverviewCommandHelper.java b/quickstep/src/com/android/quickstep/OverviewCommandHelper.java
index 17baa3a..a7bdcc6 100644
--- a/quickstep/src/com/android/quickstep/OverviewCommandHelper.java
+++ b/quickstep/src/com/android/quickstep/OverviewCommandHelper.java
@@ -54,6 +54,12 @@
     public static final int TYPE_TOGGLE = 4;
     public static final int TYPE_HOME = 5;
 
+    /**
+     * Use case for needing a queue is double tapping recents button in 3 button nav.
+     * Size of 2 should be enough. We'll toss in one more because we're kind hearted.
+     */
+    private final static int MAX_QUEUE_SIZE = 3;
+
     private static final String TRANSITION_NAME = "Transition:toOverview";
 
     private final TouchInteractionService mService;
@@ -105,10 +111,15 @@
     }
 
     /**
-     * Adds a command to be executed next, after all pending tasks are completed
+     * Adds a command to be executed next, after all pending tasks are completed.
+     * Max commands that can be queued is {@link #MAX_QUEUE_SIZE}.
+     * Requests after reaching that limit will be silently dropped.
      */
     @BinderThread
     public void addCommand(int type) {
+        if (mPendingCommands.size() > MAX_QUEUE_SIZE) {
+            return;
+        }
         CommandInfo cmd = new CommandInfo(type);
         MAIN_EXECUTOR.execute(() -> addCommand(cmd));
     }
diff --git a/quickstep/src/com/android/quickstep/views/DigitalWellBeingToast.java b/quickstep/src/com/android/quickstep/views/DigitalWellBeingToast.java
index 27a748d..79b15c7 100644
--- a/quickstep/src/com/android/quickstep/views/DigitalWellBeingToast.java
+++ b/quickstep/src/com/android/quickstep/views/DigitalWellBeingToast.java
@@ -306,7 +306,7 @@
 
     private void setBanner(@Nullable View view) {
         mBanner = view;
-        if (view != null) {
+        if (view != null && mTaskView.getRecentsView() != null) {
             setupAndAddBanner();
             setBannerOutline();
         }
diff --git a/quickstep/src/com/android/quickstep/views/GroupedTaskView.java b/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
index d9f668d..b9615ab 100644
--- a/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
+++ b/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
@@ -271,7 +271,8 @@
 
         getPagedOrientationHandler().setSplitIconParams(mIconView, mIconView2,
                 taskIconHeight, mSnapshotView.getMeasuredWidth(), mSnapshotView.getMeasuredHeight(),
-                isRtl, deviceProfile, mSplitBoundsConfig);
+                getMeasuredHeight(), getMeasuredWidth(), isRtl, deviceProfile,
+                mSplitBoundsConfig);
     }
 
     private void updateSecondaryDwbPlacement() {
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index a6b8897..3c10e21 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -1078,10 +1078,15 @@
     private int getSnapToLastTaskScrollDiff() {
         // Snap to a position where ClearAll is just invisible.
         int screenStart = mOrientationHandler.getPrimaryScroll(this);
-        int clearAllWidth = mOrientationHandler.getPrimarySize(mClearAllButton);
         int clearAllScroll = getScrollForPage(indexOfChild(mClearAllButton));
-        int targetScroll = clearAllScroll + (mIsRtl ? clearAllWidth : -clearAllWidth);
-        return screenStart - targetScroll;
+        int clearAllWidth = mOrientationHandler.getPrimarySize(mClearAllButton);
+        int lastTaskScroll = getLastTaskScroll(clearAllScroll, clearAllWidth);
+        return screenStart - lastTaskScroll;
+    }
+
+    private int getLastTaskScroll(int clearAllScroll, int clearAllWidth) {
+        int distance = clearAllWidth + getClearAllExtraPageSpacing();
+        return clearAllScroll + (mIsRtl ? distance : -distance);
     }
 
     private int getSnapToFocusedTaskScrollDiff(boolean isClearAllHidden) {
@@ -4515,6 +4520,19 @@
     }
 
     @Override
+    protected int getChildGap(int fromIndex, int toIndex) {
+        int clearAllIndex = indexOfChild(mClearAllButton);
+        return fromIndex == clearAllIndex || toIndex == clearAllIndex
+                ? getClearAllExtraPageSpacing() : 0;
+    }
+
+    private int getClearAllExtraPageSpacing() {
+        return showAsGrid()
+                ? Math.max(mActivity.getDeviceProfile().overviewGridSideMargin - mPageSpacing, 0)
+                : 0;
+    }
+
+    @Override
     protected void updateMinAndMaxScrollX() {
         super.updateMinAndMaxScrollX();
         if (DEBUG) {
@@ -4596,9 +4614,10 @@
             TaskView taskView = requireTaskViewAt(i);
             float scrollDiff = taskView.getScrollAdjustment(showAsFullscreen, showAsGrid);
             int pageScroll = newPageScrolls[i] + (int) scrollDiff;
-            if ((mIsRtl && pageScroll < clearAllScroll + clearAllWidth)
-                    || (!mIsRtl && pageScroll > clearAllScroll - clearAllWidth)) {
-                pageScroll = clearAllScroll + (mIsRtl ? clearAllWidth : -clearAllWidth);
+            int lastTaskScroll = getLastTaskScroll(clearAllScroll, clearAllWidth);
+            if ((mIsRtl && pageScroll < lastTaskScroll)
+                    || (!mIsRtl && pageScroll > lastTaskScroll)) {
+                pageScroll = lastTaskScroll;
             }
             if (outPageScrolls[i] != pageScroll) {
                 pageScrollChanged = true;
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.java b/quickstep/src/com/android/quickstep/views/TaskView.java
index c4bed26..ce033e5 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskView.java
@@ -1000,8 +1000,11 @@
         // resetViewTransforms is called during Quickswitch scrolling.
         mDismissTranslationX = mTaskOffsetTranslationX =
                 mTaskResistanceTranslationX = mSplitSelectTranslationX = mGridEndTranslationX = 0f;
-        mDismissTranslationY = mTaskOffsetTranslationY = mTaskResistanceTranslationY =
-                mSplitSelectTranslationY = 0f;
+        mDismissTranslationY = mTaskOffsetTranslationY = mTaskResistanceTranslationY = 0f;
+        if (getRecentsView() == null || !getRecentsView().isSplitSelectionActive()) {
+            mSplitSelectTranslationY = 0f;
+        }
+
         setSnapshotScale(1f);
         applyTranslationX();
         applyTranslationY();
diff --git a/res/drawable/drop_target_frame.xml b/res/drawable/drop_target_frame.xml
index 666a96e..9f04103 100644
--- a/res/drawable/drop_target_frame.xml
+++ b/res/drawable/drop_target_frame.xml
@@ -17,6 +17,6 @@
 <shape xmlns:android="http://schemas.android.com/apk/res/android"
     android:shape="rectangle">
     <solid android:color="@android:color/transparent" />
-    <corners android:radius="28dp" />
+    <corners android:radius="80dp" />
     <stroke android:width="2dp" android:color="?attr/workspaceAccentColor" />
 </shape>
\ No newline at end of file
diff --git a/res/values-land/dimens.xml b/res/values-land/dimens.xml
index 662b86e..422240c 100644
--- a/res/values-land/dimens.xml
+++ b/res/values-land/dimens.xml
@@ -22,8 +22,22 @@
     <dimen name="fastscroll_popup_text_size">24dp</dimen>
 
     <!-- Dynamic grid -->
+    <dimen name="dynamic_grid_edge_margin">15.28dp</dimen>
     <dimen name="dynamic_grid_icon_drawable_padding">4dp</dimen>
+    <dimen name="dynamic_grid_drop_target_size">36dp</dimen>
+    <dimen name="cell_layout_padding">20dp</dimen>
 
     <!-- Hotseat -->
     <dimen name="dynamic_grid_hotseat_side_padding">16dp</dimen>
+    <dimen name="spring_loaded_hotseat_top_margin">45dp</dimen>
+
+    <!-- Dragging -->
+    <dimen name="drop_target_button_gap">28dp</dimen>
+    <dimen name="drop_target_button_drawable_horizontal_padding">16dp</dimen>
+    <dimen name="drop_target_button_drawable_vertical_padding">2dp</dimen>
+    <dimen name="drop_target_top_margin">6dp</dimen>
+    <dimen name="drop_target_bottom_margin">6dp</dimen>
+
+    <!-- Workspace grid visualization parameters -->
+    <dimen name="grid_visualization_horizontal_cell_spacing">24dp</dimen>
 </resources>
diff --git a/res/values-sw600dp-land/dimens.xml b/res/values-sw600dp-land/dimens.xml
new file mode 100644
index 0000000..6c5be91
--- /dev/null
+++ b/res/values-sw600dp-land/dimens.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2022 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.
+  -->
+
+<resources>
+    <!-- Hotseat -->
+    <dimen name="spring_loaded_hotseat_top_margin">44dp</dimen>
+
+    <!-- Dynamic grid -->
+    <dimen name="dynamic_grid_edge_margin">11.33dp</dimen>
+    <dimen name="cell_layout_padding">11.33dp</dimen>
+
+    <!-- Dragging -->
+    <dimen name="drop_target_top_margin">0dp</dimen>
+    <dimen name="drop_target_bottom_margin">16dp</dimen>
+</resources>
diff --git a/res/values-sw600dp/dimens.xml b/res/values-sw600dp/dimens.xml
index 92f806e..501ead6 100644
--- a/res/values-sw600dp/dimens.xml
+++ b/res/values-sw600dp/dimens.xml
@@ -32,8 +32,22 @@
     <dimen name="fastscroll_popup_text_size">32dp</dimen>
 
 <!-- Dynamic grid -->
+    <dimen name="dynamic_grid_edge_margin">9dp</dimen>
     <dimen name="dynamic_grid_icon_drawable_padding">7dp</dimen>
+    <dimen name="cell_layout_padding">9dp</dimen>
+
 
 <!-- Hotseat -->
     <dimen name="dynamic_grid_hotseat_side_padding">0dp</dimen>
+    <dimen name="spring_loaded_hotseat_top_margin">97dp</dimen>
+
+<!-- Dragging -->
+    <dimen name="drop_target_top_margin">34dp</dimen>
+    <dimen name="drop_target_bottom_margin">16dp</dimen>
+    <dimen name="drop_target_button_drawable_horizontal_padding">16dp</dimen>
+    <dimen name="drop_target_button_drawable_vertical_padding">16dp</dimen>
+    <dimen name="dynamic_grid_drop_target_size">56dp</dimen>
+
+<!-- Workspace grid visualization parameters -->
+    <dimen name="grid_visualization_horizontal_cell_spacing">6dp</dimen>
 </resources>
diff --git a/res/values-sw720dp-land/dimens.xml b/res/values-sw720dp-land/dimens.xml
index 9821526..33da4a1 100644
--- a/res/values-sw720dp-land/dimens.xml
+++ b/res/values-sw720dp-land/dimens.xml
@@ -15,9 +15,16 @@
 -->
 
 <resources>
-    <!-- Widget picker-->
+<!-- Dragging-->
+    <dimen name="drop_target_top_margin">0dp</dimen>
+    <dimen name="drop_target_bottom_margin">32dp</dimen>
+<!-- Dynamic grid -->
+    <dimen name="dynamic_grid_edge_margin">21.93dp</dimen>
+    <dimen name="cell_layout_padding">29.33dp</dimen>
+<!-- Hotseat -->
+    <dimen name="spring_loaded_hotseat_top_margin">64dp</dimen>
+<!-- Widget picker-->
     <dimen name="widget_list_horizontal_margin">49dp</dimen>
-
-    <!-- Bottom sheet-->
+<!-- Bottom sheet-->
     <dimen name="bottom_sheet_extra_top_padding">0dp</dimen>
 </resources>
diff --git a/res/values-sw720dp/dimens.xml b/res/values-sw720dp/dimens.xml
index 7ebc3f8..b4c8837 100644
--- a/res/values-sw720dp/dimens.xml
+++ b/res/values-sw720dp/dimens.xml
@@ -17,6 +17,19 @@
 <resources>
 <!-- AllApps -->
     <dimen name="all_apps_bottom_sheet_horizontal_padding">65dp</dimen>
+<!-- Dynamic grid -->
+    <dimen name="dynamic_grid_edge_margin">27.59dp</dimen>
+    <dimen name="cell_layout_padding">36dp</dimen>
+<!-- Dragging -->
+    <dimen name="drop_target_text_size">20sp</dimen>
+    <dimen name="dynamic_grid_drop_target_size">72dp</dimen>
+    <dimen name="drop_target_button_drawable_horizontal_padding">24dp</dimen>
+    <dimen name="drop_target_button_drawable_vertical_padding">20dp</dimen>
+    <dimen name="drop_target_button_gap">32dp</dimen>
+    <dimen name="drop_target_top_margin">32dp</dimen>
+    <dimen name="drop_target_bottom_margin">32dp</dimen>
+<!-- Hotseat -->
+    <dimen name="spring_loaded_hotseat_top_margin">164dp</dimen>
 
 <!-- Widget picker-->
     <dimen name="widget_list_horizontal_margin">30dp</dimen>
diff --git a/res/values/config.xml b/res/values/config.xml
index e2fd0e3..5e90bea 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -22,9 +22,6 @@
     <item type="id" name="drag_event_parity" />
 
     <!-- AllApps & Launcher transitions -->
-    <!-- Out of 100, the percent to shrink the workspace during spring loaded mode. -->
-    <integer name="config_workspaceSpringLoadShrinkPercentage">85</integer>
-
     <!-- The duration of the animation from search hint to text entry -->
     <integer name="config_searchHintAnimationDuration">50</integer>
 
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index 338e218..a6abee2 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -19,14 +19,14 @@
     <dimen name="click_shadow_elevation">4dp</dimen>
 
     <!-- Dynamic Grid -->
-    <dimen name="dynamic_grid_edge_margin">8dp</dimen>
+    <dimen name="dynamic_grid_edge_margin">10.77dp</dimen>
     <dimen name="dynamic_grid_left_right_margin">8dp</dimen>
     <dimen name="dynamic_grid_icon_drawable_padding">7dp</dimen>
     <!-- Minimum space between workspace and hotseat in spring loaded mode -->
     <dimen name="dynamic_grid_min_spring_loaded_space">8dp</dimen>
 
     <dimen name="dynamic_grid_cell_border_spacing">16dp</dimen>
-    <dimen name="dynamic_grid_cell_layout_padding">5.5dp</dimen>
+    <dimen name="cell_layout_padding">10.77dp</dimen>
     <dimen name="dynamic_grid_cell_padding_x">8dp</dimen>
 
     <!-- Hotseat -->
@@ -34,6 +34,7 @@
     <dimen name="dynamic_grid_hotseat_bottom_padding">2dp</dimen>
     <dimen name="dynamic_grid_hotseat_bottom_tall_padding">0dp</dimen>
     <dimen name="inline_qsb_bottom_margin">0dp</dimen>
+    <dimen name="spring_loaded_hotseat_top_margin">76dp</dimen>
 
     <!-- Qsb -->
     <!-- Used for adjusting the position of QSB when placed in hotseat. This is a ratio and a higher
@@ -55,8 +56,10 @@
     <dimen name="workspace_page_indicator_overlap_workspace">0dp</dimen>
 
 <!-- Drop target bar -->
-    <dimen name="dynamic_grid_drop_target_size">52dp</dimen>
+    <dimen name="dynamic_grid_drop_target_size">56dp</dimen>
     <dimen name="drop_target_vertical_gap">20dp</dimen>
+    <dimen name="drop_target_top_margin">36dp</dimen>
+    <dimen name="drop_target_bottom_margin">16dp</dimen>
 
 <!-- App Widget resize frame -->
     <dimen name="widget_handle_margin">13dp</dimen>
@@ -206,6 +209,9 @@
     <dimen name="drop_target_shadow_elevation">2dp</dimen>
     <dimen name="drop_target_bar_margin_horizontal">4dp</dimen>
     <dimen name="drop_target_button_drawable_padding">8dp</dimen>
+    <dimen name="drop_target_button_drawable_horizontal_padding">16dp</dimen>
+    <dimen name="drop_target_button_drawable_vertical_padding">8dp</dimen>
+    <dimen name="drop_target_button_gap">22dp</dimen>
 
     <!-- the distance an icon must be dragged before button drop targets accept it -->
     <dimen name="drag_distanceThreshold">30dp</dimen>
@@ -358,8 +364,9 @@
 
 
 <!-- Workspace grid visualization parameters -->
-    <dimen name="grid_visualization_rounding_radius">22dp</dimen>
-    <dimen name="grid_visualization_cell_spacing">6dp</dimen>
+    <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 -->
     <dimen name="search_row_icon_size">48dp</dimen>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 868b5f3..267f9c3 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -60,9 +60,9 @@
     <string name="widget_preview_context_description"><xliff:g id="widget_name" example="Calendar month view">%1$s</xliff:g> widget</string>
     <!-- Message to tell the user to press and hold a widget/icon to add it to the home screen.
          [CHAR LIMIT=NONE]  -->
-    <string name="add_item_request_drag_hint">Touch &amp; hold the widget to move it around the Home screen</string>
+    <string name="add_item_request_drag_hint">Touch &amp; hold the widget to move it around the home screen</string>
     <!-- Button label to automatically add a widget to home screen [CHAR_LIMIT=50] -->
-    <string name="add_to_home_screen">Add to Home screen</string>
+    <string name="add_to_home_screen">Add to home screen</string>
     <!-- Accessibility spoken message announced when a widget gets added to the home screen using a
          button in a dialog. [CHAR_LIMIT=none] -->
     <string name="added_to_home_screen_accessibility_text"><xliff:g id="widget_name" example="Calendar month view">%1$s</xliff:g> widget added to home screen</string>
@@ -108,7 +108,7 @@
     <string name="widget_education_header">Useful info at your fingertips</string>
     <!-- Dialog text. This dialog lets a user know how they can use widgets on their phone.
          [CHAR_LIMIT=NONE] -->
-    <string name="widget_education_content">To get info without opening apps, you can add widgets to your Home screen</string>
+    <string name="widget_education_content">To get info without opening apps, you can add widgets to your home screen</string>
 
     <!-- Text on an educational tip on widget informing users that they can change widget settings.
          [CHAR_LIMIT=NONE] -->
@@ -147,7 +147,7 @@
 
     <skip />
     <!-- Error message when a user can't add more apps, widgets, or shortcuts to a Home screen. -->
-    <string name="out_of_space">No room on this Home screen</string>
+    <string name="out_of_space">No room on this home screen</string>
     <!-- Error message when user has filled the hotseat -->
     <string name="hotseat_out_of_space">No more room in the Favorites tray</string>
 
@@ -181,15 +181,15 @@
     <string name="permdesc_install_shortcut">Allows an app to add
         shortcuts without user intervention.</string>
     <!-- Permission short label -->
-    <string name="permlab_read_settings">read Home settings and shortcuts</string>
+    <string name="permlab_read_settings">read home settings and shortcuts</string>
     <!-- Permission description -->
     <string name="permdesc_read_settings">Allows the app to read the settings and
-        shortcuts in Home.</string>
+        shortcuts in home.</string>
     <!-- Permission short label -->
-    <string name="permlab_write_settings">write Home settings and shortcuts</string>
+    <string name="permlab_write_settings">write home settings and shortcuts</string>
     <!-- Permission description -->
     <string name="permdesc_write_settings">Allows the app to change the settings and
-        shortcuts in Home.</string>
+        shortcuts in home.</string>
 
     <!-- Toast shown on clicking a direct call shortcut. [CHAR_LIMIT=80] -->
     <string name="msg_no_phone_permission"><xliff:g id="app_name" example="Launcher3">%1$s</xliff:g> is not allowed to make phone calls</string>
@@ -259,7 +259,7 @@
 
     <!-- Strings for settings -->
     <!-- Title for Allow Rotation setting. [CHAR LIMIT=50] -->
-    <string name="allow_rotation_title">Allow Home screen rotation</string>
+    <string name="allow_rotation_title">Allow home screen rotation</string>
     <!-- Text explaining when the home screen will get rotated. [CHAR LIMIT=100] -->
     <string name="allow_rotation_desc">When phone is rotated</string>
     <!-- Title for Notification dots setting. Tapping this will link to the system Notifications settings screen where the user can turn off notification dots globally. [CHAR LIMIT=50] -->
@@ -278,7 +278,7 @@
     <string name="notification_dots_service_title">Show notification dots</string>
 
     <!-- Label for the setting that allows the automatic placement of launcher shortcuts for applications and games installed on the device [CHAR LIMIT=60] -->
-    <string name="auto_add_shortcuts_label">Add app icons to Home screen</string>
+    <string name="auto_add_shortcuts_label">Add app icons to home screen</string>
     <!-- Text description of the setting that allows the automatic placement of launcher shortcuts for applications and games installed on the device [CHAR LIMIT=NONE] -->
     <string name="auto_add_shortcuts_description">For new apps</string>
 
@@ -312,7 +312,7 @@
 
     <!-- Strings for accessibility actions -->
     <!-- Accessibility action to add an app to workspace. [CHAR_LIMIT=30] -->
-    <string name="action_add_to_workspace">Add to Home screen</string>
+    <string name="action_add_to_workspace">Add to home screen</string>
 
     <!-- Accessibility action to move item to the current location. [CHAR_LIMIT=30] -->
     <string name="action_move_here">Move item here</string>
@@ -357,7 +357,7 @@
     <string name="folder_created">Folder created</string>
 
     <!-- Accessibility action to move an item from folder to workspace. [CHAR_LIMIT=30] -->
-    <string name="action_move_to_workspace">Move to Home screen</string>
+    <string name="action_move_to_workspace">Move to home screen</string>
 
     <!-- Accessibility action to resize a widget. [CHAR_LIMIT=30] -->
     <string name="action_resize">Resize</string>
diff --git a/src/com/android/launcher3/CellLayout.java b/src/com/android/launcher3/CellLayout.java
index ad4cae4..e184a91 100644
--- a/src/com/android/launcher3/CellLayout.java
+++ b/src/com/android/launcher3/CellLayout.java
@@ -148,7 +148,8 @@
     private boolean mVisualizeDropLocation = true;
     private RectF mVisualizeGridRect = new RectF();
     private Paint mVisualizeGridPaint = new Paint();
-    private int mGridVisualizationPadding;
+    private int mGridVisualizationPaddingX;
+    private int mGridVisualizationPaddingY;
     private int mGridVisualizationRoundingRadius;
     private float mGridAlpha = 0f;
     private int mGridColor = 0;
@@ -275,8 +276,10 @@
         mBackground.setAlpha(0);
 
         mGridColor = Themes.getAttrColor(getContext(), R.attr.workspaceAccentColor);
-        mGridVisualizationPadding =
-                res.getDimensionPixelSize(R.dimen.grid_visualization_cell_spacing);
+        mGridVisualizationPaddingX = res.getDimensionPixelSize(
+                R.dimen.grid_visualization_horizontal_cell_spacing);
+        mGridVisualizationPaddingY = res.getDimensionPixelSize(
+                R.dimen.grid_visualization_vertical_cell_spacing);
         mGridVisualizationRoundingRadius =
                 res.getDimensionPixelSize(R.dimen.grid_visualization_rounding_radius);
         mReorderPreviewAnimationMagnitude = (REORDER_PREVIEW_MAGNITUDE * deviceProfile.iconSizePx);
@@ -573,8 +576,8 @@
 
     protected void visualizeGrid(Canvas canvas) {
         DeviceProfile dp = mActivity.getDeviceProfile();
-        int paddingX = (int) Math.min((mCellWidth - dp.iconSizePx) / 2, mGridVisualizationPadding);
-        int paddingY = (int) Math.min((mCellHeight - dp.iconSizePx) / 2, mGridVisualizationPadding);
+        int paddingX = Math.min((mCellWidth - dp.iconSizePx) / 2, mGridVisualizationPaddingX);
+        int paddingY = Math.min((mCellHeight - dp.iconSizePx) / 2, mGridVisualizationPaddingY);
         mVisualizeGridRect.set(paddingX, paddingY,
                 mCellWidth - paddingX,
                 mCellHeight - paddingY);
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index 09affd7..91fa4ca 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -94,18 +94,16 @@
     private static final float TALL_DEVICE_EXTRA_SPACE_THRESHOLD_DP = 252;
     private static final float TALL_DEVICE_MORE_EXTRA_SPACE_THRESHOLD_DP = 268;
 
-    // To evenly space the icons, increase the left/right margins for tablets in portrait mode.
-    private static final int PORTRAIT_TABLET_LEFT_RIGHT_PADDING_MULTIPLIER = 4;
-
     // Workspace
     public final int desiredWorkspaceHorizontalMarginOriginalPx;
     public int desiredWorkspaceHorizontalMarginPx;
     public Point cellLayoutBorderSpaceOriginalPx;
     public Point cellLayoutBorderSpacePx;
-    public final int cellLayoutPaddingLeftRightPx;
-    public final int cellLayoutBottomPaddingPx;
+    public Rect cellLayoutPaddingPx = new Rect();
+
     public final int edgeMarginPx;
-    public float workspaceSpringLoadShrinkFactor;
+    public float workspaceSpringLoadShrunkTop;
+    public float workspaceSpringLoadShrunkBottom;
     public final int workspaceSpringLoadedBottomSpace;
 
     private final int extraSpace;
@@ -161,6 +159,7 @@
     public int hotseatBarSizePx;
     public int hotseatBarTopPaddingPx;
     public final int hotseatBarBottomPaddingPx;
+    public int springLoadedHotseatBarTopMarginPx;
     // 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;
@@ -206,8 +205,13 @@
 
     // Drop Target
     public int dropTargetBarSizePx;
+    public int dropTargetBarTopMarginPx;
+    public int dropTargetBarBottomMarginPx;
     public int dropTargetDragPaddingPx;
     public int dropTargetTextSizePx;
+    public int dropTargetHorizontalPaddingPx;
+    public int dropTargetVerticalPaddingPx;
+    public int dropTargetGapPx;
 
     // Insets
     private final Rect mInsets = new Rect();
@@ -319,23 +323,6 @@
         folderCellLayoutBorderSpacePx = new Point(folderCellLayoutBorderSpaceOriginalPx,
                 folderCellLayoutBorderSpaceOriginalPx);
 
-        int cellLayoutPaddingLeftRightMultiplier = !isVerticalBarLayout() && isTablet
-                ? PORTRAIT_TABLET_LEFT_RIGHT_PADDING_MULTIPLIER : 1;
-        int cellLayoutPadding = isScalableGrid
-                ? 0
-                : res.getDimensionPixelSize(R.dimen.dynamic_grid_cell_layout_padding);
-
-        if (isTwoPanels) {
-            cellLayoutPaddingLeftRightPx = 0;
-            cellLayoutBottomPaddingPx = 0;
-        } else if (isLandscape) {
-            cellLayoutPaddingLeftRightPx = 0;
-            cellLayoutBottomPaddingPx = cellLayoutPadding;
-        } else {
-            cellLayoutPaddingLeftRightPx = cellLayoutPaddingLeftRightMultiplier * cellLayoutPadding;
-            cellLayoutBottomPaddingPx = 0;
-        }
-
         workspacePageIndicatorHeight = res.getDimensionPixelSize(
                 R.dimen.workspace_page_indicator_height);
         mWorkspacePageIndicatorOverlapWorkspace =
@@ -345,8 +332,15 @@
                 res.getDimensionPixelSize(R.dimen.dynamic_grid_icon_drawable_padding);
 
         dropTargetBarSizePx = res.getDimensionPixelSize(R.dimen.dynamic_grid_drop_target_size);
+        dropTargetBarTopMarginPx = res.getDimensionPixelSize(R.dimen.drop_target_top_margin);
+        dropTargetBarBottomMarginPx = res.getDimensionPixelSize(R.dimen.drop_target_bottom_margin);
         dropTargetDragPaddingPx = res.getDimensionPixelSize(R.dimen.drop_target_drag_padding);
         dropTargetTextSizePx = res.getDimensionPixelSize(R.dimen.drop_target_text_size);
+        dropTargetHorizontalPaddingPx = res.getDimensionPixelSize(
+                R.dimen.drop_target_button_drawable_horizontal_padding);
+        dropTargetVerticalPaddingPx = res.getDimensionPixelSize(
+                R.dimen.drop_target_button_drawable_vertical_padding);
+        dropTargetGapPx = res.getDimensionPixelSize(R.dimen.drop_target_button_gap);
 
         workspaceSpringLoadedBottomSpace =
                 res.getDimensionPixelSize(R.dimen.dynamic_grid_min_spring_loaded_space);
@@ -384,6 +378,8 @@
                     + res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_bottom_padding);
             qsbWidth = 0;
         }
+        springLoadedHotseatBarTopMarginPx = res.getDimensionPixelSize(
+                R.dimen.spring_loaded_hotseat_top_margin);
         hotseatBarSidePaddingEndPx =
                 res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_side_padding);
         // Add a bit of space between nav bar and hotseat in vertical bar layout.
@@ -477,6 +473,12 @@
             // Recalculate the available dimensions using the new hotseat size.
             updateAvailableDimensions(res);
         }
+
+        int cellLayoutPadding =
+                isTwoPanels ? cellLayoutBorderSpacePx.x / 2 : res.getDimensionPixelSize(
+                        R.dimen.cell_layout_padding);
+        cellLayoutPaddingPx = new Rect(cellLayoutPadding, cellLayoutPadding, cellLayoutPadding,
+                cellLayoutPadding);
         updateWorkspacePadding();
 
         flingToDeleteThresholdVelocity = res.getDimensionPixelSize(
@@ -589,7 +591,6 @@
         float appWidgetScaleX = (float) profile.getCellSize().x / getCellSize().x;
         float appWidgetScaleY = (float) profile.getCellSize().y / getCellSize().y;
         profile.appWidgetScale.set(appWidgetScaleX, appWidgetScaleY);
-        profile.updateWorkspacePadding();
 
         return profile;
     }
@@ -624,18 +625,18 @@
     }
 
     private void updateAllAppsWidth(Resources res) {
-
+        int cellLayoutHorizontalPadding =
+                (cellLayoutPaddingPx.left + cellLayoutPaddingPx.right) / 2;
         if (isTablet) {
-            allAppsLeftRightPadding =
-                    res.getDimensionPixelSize(R.dimen.all_apps_bottom_sheet_horizontal_padding)
-                            + cellLayoutPaddingLeftRightPx;
+            allAppsLeftRightPadding = res.getDimensionPixelSize(
+                    R.dimen.all_apps_bottom_sheet_horizontal_padding) + cellLayoutHorizontalPadding;
             int usedWidth = (allAppsCellWidthPx * numShownAllAppsColumns)
                     + (allAppsBorderSpacePx.x * (numShownAllAppsColumns + 1))
                     + allAppsLeftRightPadding * 2;
             allAppsLeftRightMargin = Math.max(1, (availableWidthPx - usedWidth) / 2);
         } else {
             allAppsLeftRightPadding =
-                    desiredWorkspaceHorizontalMarginPx + cellLayoutPaddingLeftRightPx;
+                    desiredWorkspaceHorizontalMarginPx + cellLayoutHorizontalPadding;
         }
     }
 
@@ -645,11 +646,12 @@
     private int updateAvailableDimensions(Resources res) {
         updateIconSize(1f, res);
 
+        updateWorkspacePadding();
         Point workspacePadding = getTotalWorkspacePadding();
 
         // Check to see if the icons fit within the available height.
         float usedHeight = getCellLayoutHeight();
-        final int maxHeight = availableHeightPx - workspacePadding.y;
+        final int maxHeight = getWorkspaceHeight(workspacePadding);
         float extraHeight = Math.max(0, maxHeight - usedHeight);
         float scaleY = maxHeight / usedHeight;
         boolean shouldScale = scaleY < 1f;
@@ -659,10 +661,7 @@
             // We scale to fit the cellWidth and cellHeight in the available space.
             // The benefit of scalable grids is that we can get consistent aspect ratios between
             // devices.
-            int numColumns = isTwoPanels ? inv.numColumns * 2 : inv.numColumns;
-            float usedWidth = (cellWidthPx * numColumns)
-                    + (cellLayoutBorderSpacePx.x * (numColumns - 1))
-                    + (desiredWorkspaceHorizontalMarginPx * 2);
+            float usedWidth = getCellLayoutWidth() + (desiredWorkspaceHorizontalMarginPx * 2);
             // We do not subtract padding here, as we also scale the workspace padding if needed.
             scaleX = availableWidthPx / usedWidth;
             shouldScale = true;
@@ -679,7 +678,14 @@
     }
 
     private int getCellLayoutHeight() {
-        return (cellHeightPx * inv.numRows) + (cellLayoutBorderSpacePx.y * (inv.numRows - 1));
+        return (cellHeightPx * inv.numRows) + (cellLayoutBorderSpacePx.y * (inv.numRows - 1))
+                + cellLayoutPaddingPx.top + cellLayoutPaddingPx.bottom;
+    }
+
+    private int getCellLayoutWidth() {
+        int numColumns = isTwoPanels ? inv.numColumns * 2 : inv.numColumns;
+        return (cellWidthPx * numColumns) + (cellLayoutBorderSpacePx.x * (numColumns - 1))
+                + cellLayoutPaddingPx.left + cellLayoutPaddingPx.right;
     }
 
     /**
@@ -739,18 +745,6 @@
         }
         updateHotseatIconSize(iconSizePx);
 
-        if (!isVerticalLayout) {
-            int expectedWorkspaceHeight = availableHeightPx - hotseatBarSizePx
-                    - workspacePageIndicatorHeight - edgeMarginPx;
-            float minRequiredHeight = dropTargetBarSizePx + workspaceSpringLoadedBottomSpace;
-            workspaceSpringLoadShrinkFactor = Math.min(
-                    res.getInteger(R.integer.config_workspaceSpringLoadShrinkPercentage) / 100.0f,
-                    1 - (minRequiredHeight / expectedWorkspaceHeight));
-        } else {
-            workspaceSpringLoadShrinkFactor =
-                    res.getInteger(R.integer.config_workspaceSpringLoadShrinkPercentage) / 100.0f;
-        }
-
         // Folder icon
         folderIconSizePx = IconNormalizer.getNormalizedCircleSize(iconSizePx);
         folderIconOffsetYPx = (iconSizePx - folderIconSizePx) / 2;
@@ -851,7 +845,6 @@
 
     public void updateInsets(Rect insets) {
         mInsets.set(insets);
-        updateWorkspacePadding();
     }
 
     /**
@@ -878,23 +871,62 @@
         int numColumns = isTwoPanels ? inv.numColumns * 2 : inv.numColumns;
         int screenWidthPx = getWorkspaceWidth(padding);
         result.x = calculateCellWidth(screenWidthPx, cellLayoutBorderSpacePx.x, numColumns);
-        result.y = calculateCellHeight(availableHeightPx - padding.y
-                - cellLayoutBottomPaddingPx, cellLayoutBorderSpacePx.y, inv.numRows);
+        int screenHeightPx = getWorkspaceHeight(padding);
+        result.y = calculateCellHeight(screenHeightPx, cellLayoutBorderSpacePx.y, inv.numRows);
         return result;
     }
 
+    /**
+     * Gets the space in px from the bottom of last item in the vertical-bar hotseat to the
+     * bottom of the screen.
+     */
+    public int getVerticalHotseatLastItemBottomOffset() {
+        int cellHeight = calculateCellHeight(
+                heightPx - mHotseatPadding.top - mHotseatPadding.bottom, hotseatBorderSpace,
+                numShownHotseatIcons);
+        int hotseatSize = (cellHeight * numShownHotseatIcons)
+                + (hotseatBorderSpace * (numShownHotseatIcons - 1));
+        int extraHotseatEndSpacing = (heightPx - hotseatSize) / 2;
+        int extraIconEndSpacing = (cellHeight - iconSizePx) / 2;
+        return extraHotseatEndSpacing + extraIconEndSpacing + mHotseatPadding.bottom;
+    }
+
+    /**
+     * Gets the scaled top of the workspace in px for the spring-loaded edit state.
+     */
+    public float getWorkspaceSpringLoadShrunkTop() {
+        workspaceSpringLoadShrunkTop = mInsets.top + dropTargetBarTopMarginPx + dropTargetBarSizePx
+                + dropTargetBarBottomMarginPx;
+        return workspaceSpringLoadShrunkTop;
+    }
+
+    /**
+     * Gets the scaled bottom of the workspace in px for the spring-loaded edit state.
+     */
+    public float getWorkspaceSpringLoadShrunkBottom() {
+        int topOfHotseat = hotseatBarSizePx + springLoadedHotseatBarTopMarginPx;
+        workspaceSpringLoadShrunkBottom =
+                heightPx - (isVerticalBarLayout() ? getVerticalHotseatLastItemBottomOffset()
+                        : topOfHotseat);
+        return workspaceSpringLoadShrunkBottom;
+    }
+
     public int getWorkspaceWidth() {
         return getWorkspaceWidth(getTotalWorkspacePadding());
     }
 
     public int getWorkspaceWidth(Point workspacePadding) {
         int cellLayoutTotalPadding =
-                isTwoPanels ? 4 * cellLayoutPaddingLeftRightPx : 2 * cellLayoutPaddingLeftRightPx;
+                (isTwoPanels ? 2 : 1) * (cellLayoutPaddingPx.left + cellLayoutPaddingPx.right);
         return availableWidthPx - workspacePadding.x - cellLayoutTotalPadding;
     }
 
+    private int getWorkspaceHeight(Point workspacePadding) {
+        return availableHeightPx - workspacePadding.y - (cellLayoutPaddingPx.top
+                + cellLayoutPaddingPx.bottom);
+    }
+
     public Point getTotalWorkspacePadding() {
-        updateWorkspacePadding();
         return new Point(workspacePadding.left + workspacePadding.right,
                 workspacePadding.top + workspacePadding.bottom);
     }
@@ -920,12 +952,26 @@
             int hotseatTop = hotseatBarSizePx;
             int paddingBottom = hotseatTop + workspacePageIndicatorHeight
                     + workspaceBottomPadding - mWorkspacePageIndicatorOverlapWorkspace;
+            int paddingTop = workspaceTopPadding + (isScalableGrid ? 0 : edgeMarginPx);
+            int paddingSide = desiredWorkspaceHorizontalMarginPx;
 
-            padding.set(desiredWorkspaceHorizontalMarginPx,
-                    workspaceTopPadding + (isScalableGrid ? 0 : edgeMarginPx),
-                    desiredWorkspaceHorizontalMarginPx,
-                    paddingBottom);
+            padding.set(paddingSide, paddingTop, paddingSide, paddingBottom);
         }
+        insetPadding(workspacePadding, cellLayoutPaddingPx);
+    }
+
+    private void insetPadding(Rect paddings, Rect insets) {
+        insets.left = Math.min(insets.left, paddings.left);
+        paddings.left -= insets.left;
+
+        insets.top = Math.min(insets.top, paddings.top);
+        paddings.top -= insets.top;
+
+        insets.right = Math.min(insets.right, paddings.right);
+        paddings.right -= insets.right;
+
+        insets.bottom = Math.min(insets.bottom, paddings.bottom);
+        paddings.bottom -= insets.bottom;
     }
 
     /**
@@ -933,12 +979,14 @@
      */
     public Rect getHotseatLayoutPadding(Context context) {
         if (isVerticalBarLayout()) {
+            int paddingTop = Math.max(mInsets.top - cellLayoutPaddingPx.top, 0);
+            int paddingBottom = Math.max(mInsets.bottom - cellLayoutPaddingPx.bottom, 0);
             if (isSeascape()) {
-                mHotseatPadding.set(mInsets.left + hotseatBarSidePaddingStartPx,
-                        mInsets.top, hotseatBarSidePaddingEndPx, mInsets.bottom);
+                mHotseatPadding.set(mInsets.left + hotseatBarSidePaddingStartPx, paddingTop,
+                        hotseatBarSidePaddingEndPx, paddingBottom);
             } else {
-                mHotseatPadding.set(hotseatBarSidePaddingEndPx, mInsets.top,
-                        mInsets.right + hotseatBarSidePaddingStartPx, mInsets.bottom);
+                mHotseatPadding.set(hotseatBarSidePaddingEndPx, paddingTop,
+                        mInsets.right + hotseatBarSidePaddingStartPx, paddingBottom);
             }
         } else if (isTaskbarPresent) {
             int hotseatHeight = workspacePadding.bottom;
@@ -977,14 +1025,12 @@
             float workspaceCellWidth = (float) widthPx / inv.numColumns;
             float hotseatCellWidth = (float) widthPx / numShownHotseatIcons;
             int hotseatAdjustment = Math.round((workspaceCellWidth - hotseatCellWidth) / 2);
-            mHotseatPadding.set(
-                    hotseatAdjustment + workspacePadding.left + cellLayoutPaddingLeftRightPx
-                            + mInsets.left,
-                    hotseatBarTopPaddingPx,
-                    hotseatAdjustment + workspacePadding.right + cellLayoutPaddingLeftRightPx
+            mHotseatPadding.set(hotseatAdjustment + workspacePadding.left + cellLayoutPaddingPx.left
+                            + mInsets.left, hotseatBarTopPaddingPx,
+                    hotseatAdjustment + workspacePadding.right + cellLayoutPaddingPx.right
                             + mInsets.right,
                     hotseatBarSizePx - hotseatCellHeightPx - hotseatBarTopPaddingPx
-                            + cellLayoutBottomPaddingPx + mInsets.bottom);
+                            + mInsets.bottom);
         }
         return mHotseatPadding;
     }
@@ -1068,6 +1114,8 @@
                     .getInfo().rotation == Surface.ROTATION_270;
             if (mIsSeascape != isSeascape) {
                 mIsSeascape = isSeascape;
+                // Hotseat changing sides requires updating workspace left/right paddings
+                updateWorkspacePadding();
                 return true;
             }
         }
@@ -1146,6 +1194,11 @@
                 cellLayoutBorderSpacePx.x));
         writer.println(prefix + pxToDpStr("cellLayoutBorderSpacePx Vertical",
                 cellLayoutBorderSpacePx.y));
+        writer.println(prefix + pxToDpStr("cellLayoutPaddingPx.left", cellLayoutPaddingPx.left));
+        writer.println(prefix + pxToDpStr("cellLayoutPaddingPx.top", cellLayoutPaddingPx.top));
+        writer.println(prefix + pxToDpStr("cellLayoutPaddingPx.right", cellLayoutPaddingPx.right));
+        writer.println(
+                prefix + pxToDpStr("cellLayoutPaddingPx.bottom", cellLayoutPaddingPx.bottom));
 
         writer.println(prefix + pxToDpStr("iconSizePx", iconSizePx));
         writer.println(prefix + pxToDpStr("iconTextSizePx", iconTextSizePx));
@@ -1182,6 +1235,12 @@
                 hotseatBarSidePaddingStartPx));
         writer.println(prefix + pxToDpStr("hotseatBarSidePaddingEndPx",
                 hotseatBarSidePaddingEndPx));
+        writer.println(prefix + pxToDpStr("springLoadedHotseatBarTopMarginPx",
+                springLoadedHotseatBarTopMarginPx));
+        writer.println(prefix + pxToDpStr("mHotseatPadding.top", mHotseatPadding.top));
+        writer.println(prefix + pxToDpStr("mHotseatPadding.bottom", mHotseatPadding.bottom));
+        writer.println(prefix + pxToDpStr("mHotseatPadding.left", mHotseatPadding.left));
+        writer.println(prefix + pxToDpStr("mHotseatPadding.right", mHotseatPadding.right));
         writer.println(prefix + "\tnumShownHotseatIcons: " + numShownHotseatIcons);
         writer.println(prefix + pxToDpStr("hotseatBorderSpace", hotseatBorderSpace));
         writer.println(prefix + "\tisQsbInline: " + isQsbInline);
@@ -1232,6 +1291,16 @@
         writer.println(prefix + pxToDpStr("overviewPageSpacing", overviewPageSpacing));
         writer.println(prefix + pxToDpStr("overviewRowSpacing", overviewRowSpacing));
         writer.println(prefix + pxToDpStr("overviewGridSideMargin", overviewGridSideMargin));
+
+        writer.println(prefix + pxToDpStr("dropTargetBarTopMarginPx", dropTargetBarTopMarginPx));
+        writer.println(prefix + pxToDpStr("dropTargetBarSizePx", dropTargetBarSizePx));
+        writer.println(
+                prefix + pxToDpStr("dropTargetBarBottomMarginPx", dropTargetBarBottomMarginPx));
+
+        writer.println(
+                prefix + pxToDpStr("workspaceSpringLoadShrunkTop", workspaceSpringLoadShrunkTop));
+        writer.println(prefix + pxToDpStr("workspaceSpringLoadShrunkBottom",
+                workspaceSpringLoadShrunkBottom));
     }
 
     private static Context getContext(Context c, Info info, int orientation, WindowBounds bounds) {
diff --git a/src/com/android/launcher3/DropTargetBar.java b/src/com/android/launcher3/DropTargetBar.java
index 9fb14f6..73289fb 100644
--- a/src/com/android/launcher3/DropTargetBar.java
+++ b/src/com/android/launcher3/DropTargetBar.java
@@ -17,8 +17,6 @@
 package com.android.launcher3;
 
 import static com.android.launcher3.ButtonDropTarget.TOOLTIP_DEFAULT;
-import static com.android.launcher3.ButtonDropTarget.TOOLTIP_LEFT;
-import static com.android.launcher3.ButtonDropTarget.TOOLTIP_RIGHT;
 import static com.android.launcher3.anim.AlphaUpdateListener.updateVisibility;
 
 import android.animation.TimeInterpolator;
@@ -41,6 +39,8 @@
 import com.android.launcher3.dragndrop.DragOptions;
 import com.android.launcher3.testing.TestProtocol;
 
+import java.util.Arrays;
+
 /*
  * The top bar containing various drop targets: Delete/App Info/Uninstall.
  */
@@ -94,30 +94,28 @@
         lp.rightMargin = insets.right;
         int tooltipLocation = TOOLTIP_DEFAULT;
 
-        if (grid.isVerticalBarLayout()) {
-            lp.width = grid.dropTargetBarSizePx;
-            lp.height = grid.availableHeightPx - 2 * grid.edgeMarginPx;
-            lp.gravity = grid.isSeascape() ? Gravity.RIGHT : Gravity.LEFT;
-            tooltipLocation = grid.isSeascape() ? TOOLTIP_LEFT : TOOLTIP_RIGHT;
+        int horizontalMargin;
+        if (grid.isTablet) {
+            // XXX: If the icon size changes across orientations, we will have to take
+            //      that into account here too.
+            horizontalMargin = ((grid.widthPx - 2 * grid.edgeMarginPx
+                    - (grid.inv.numColumns * grid.cellWidthPx))
+                    / (2 * (grid.inv.numColumns + 1)))
+                    + grid.edgeMarginPx;
         } else {
-            int gap;
-            if (grid.isTablet) {
-                // XXX: If the icon size changes across orientations, we will have to take
-                //      that into account here too.
-                gap = ((grid.widthPx - 2 * grid.edgeMarginPx
-                        - (grid.inv.numColumns * grid.cellWidthPx))
-                        / (2 * (grid.inv.numColumns + 1)))
-                        + grid.edgeMarginPx;
-            } else {
-                gap = getContext().getResources()
-                        .getDimensionPixelSize(R.dimen.drop_target_bar_margin_horizontal);
-            }
-            lp.width = grid.availableWidthPx - 2 * gap;
-
-            lp.topMargin += grid.edgeMarginPx;
-            lp.height = grid.dropTargetBarSizePx;
-            lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.TOP;
+            horizontalMargin = getContext().getResources()
+                    .getDimensionPixelSize(R.dimen.drop_target_bar_margin_horizontal);
         }
+        lp.topMargin += grid.dropTargetBarTopMarginPx;
+        lp.bottomMargin += grid.dropTargetBarBottomMarginPx;
+        lp.width = grid.availableWidthPx - 2 * horizontalMargin;
+        if (mIsVertical) {
+            lp.leftMargin = (grid.widthPx - lp.width) / 2;
+            lp.rightMargin = (grid.widthPx - lp.width) / 2;
+        }
+        lp.height = grid.dropTargetBarSizePx;
+        lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.TOP;
+
         setLayoutParams(lp);
         for (ButtonDropTarget button : mDropTargets) {
             button.setTextSize(TypedValue.COMPLEX_UNIT_PX, grid.dropTargetTextSizePx);
@@ -139,19 +137,7 @@
         int height = MeasureSpec.getSize(heightMeasureSpec);
 
         int visibleCount = getVisibleButtonsCount();
-        if (visibleCount == 0) {
-            // do nothing
-        } else if (mIsVertical) {
-            int widthSpec = MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY);
-            int heightSpec = MeasureSpec.makeMeasureSpec(height, MeasureSpec.AT_MOST);
-
-            for (ButtonDropTarget button : mDropTargets) {
-                if (button.getVisibility() != GONE) {
-                    button.setTextVisible(false);
-                    button.measure(widthSpec, heightSpec);
-                }
-            }
-        } else {
+        if (visibleCount > 0) {
             int availableWidth = width / visibleCount;
             boolean textVisible = true;
             for (ButtonDropTarget buttons : mDropTargets) {
@@ -176,31 +162,91 @@
     protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
         int visibleCount = getVisibleButtonsCount();
         if (visibleCount == 0) {
-            // do nothing
-        } else if (mIsVertical) {
-            int gap = getResources().getDimensionPixelSize(R.dimen.drop_target_vertical_gap);
-            int start = gap;
-            int end;
+            return;
+        }
 
-            for (ButtonDropTarget button : mDropTargets) {
-                if (button.getVisibility() != GONE) {
-                    end = start + button.getMeasuredHeight();
-                    button.layout(0, start, button.getMeasuredWidth(), end);
-                    start = end + gap;
-                }
-            }
-        } else {
-            int frameSize = (right - left) / visibleCount;
+        Launcher launcher = Launcher.getLauncher(getContext());
+        Workspace workspace = launcher.getWorkspace();
+        DeviceProfile dp = launcher.getDeviceProfile();
+        int buttonHorizontalPadding = dp.dropTargetHorizontalPaddingPx;
+        int buttonVerticalPadding = dp.dropTargetVerticalPaddingPx;
+        int barCenter = (right - left) / 2;
 
-            int start = frameSize / 2;
-            int halfWidth;
-            for (ButtonDropTarget button : mDropTargets) {
-                if (button.getVisibility() != GONE) {
-                    halfWidth = button.getMeasuredWidth() / 2;
-                    button.layout(start - halfWidth, 0,
-                            start + halfWidth, button.getMeasuredHeight());
-                    start = start + frameSize;
+        ButtonDropTarget[] visibleButtons = Arrays.stream(mDropTargets)
+                .filter(b -> b.getVisibility() != GONE)
+                .toArray(ButtonDropTarget[]::new);
+        Arrays.stream(visibleButtons).forEach(
+                b -> b.setPadding(buttonHorizontalPadding, buttonVerticalPadding,
+                        buttonHorizontalPadding, buttonVerticalPadding));
+
+        if (visibleCount == 1) {
+            ButtonDropTarget button = visibleButtons[0];
+            button.layout(barCenter - (button.getMeasuredWidth() / 2), 0,
+                    barCenter + (button.getMeasuredWidth() / 2), button.getMeasuredHeight());
+        } else if (visibleCount == 2) {
+            int buttonGap = dp.dropTargetGapPx;
+
+            if (dp.isTwoPanels) {
+                ButtonDropTarget leftButton = visibleButtons[0];
+                leftButton.layout(barCenter - leftButton.getMeasuredWidth() - (buttonGap / 2), 0,
+                        barCenter - (buttonGap / 2), leftButton.getMeasuredHeight());
+
+                ButtonDropTarget rightButton = visibleButtons[1];
+                rightButton.layout(barCenter + (buttonGap / 2), 0,
+                        barCenter + rightButton.getMeasuredWidth() + (buttonGap / 2),
+                        rightButton.getMeasuredHeight());
+            } else if (dp.isTablet) {
+                int numberOfMargins = visibleCount - 1;
+                int buttonWidths = Arrays.stream(mDropTargets)
+                        .filter(b -> b.getVisibility() != GONE)
+                        .mapToInt(ButtonDropTarget::getMeasuredWidth)
+                        .sum();
+                int totalWidth = buttonWidths + (numberOfMargins * buttonGap);
+                int buttonsStartMargin = barCenter - (totalWidth / 2);
+
+                int start = buttonsStartMargin;
+                for (ButtonDropTarget button : visibleButtons) {
+                    int margin = (start != buttonsStartMargin) ? buttonGap : 0;
+                    button.layout(start + margin, 0, start + margin + button.getMeasuredWidth(),
+                            button.getMeasuredHeight());
+                    start += button.getMeasuredWidth() + margin;
                 }
+            } else if (mIsVertical) {
+                // Center buttons over workspace, not screen.
+                int verticalCenter = (workspace.getRight() - workspace.getLeft()) / 2;
+                ButtonDropTarget leftButton = visibleButtons[0];
+                leftButton.layout(verticalCenter - leftButton.getMeasuredWidth() - (buttonGap / 2),
+                        0, verticalCenter - (buttonGap / 2), leftButton.getMeasuredHeight());
+
+                ButtonDropTarget rightButton = visibleButtons[1];
+                rightButton.layout(verticalCenter + (buttonGap / 2), 0,
+                        verticalCenter + rightButton.getMeasuredWidth() + (buttonGap / 2),
+                        rightButton.getMeasuredHeight());
+            } else if (dp.isPhone) {
+                // Buttons aligned to outer edges of scaled workspace.
+                float shrunkTop = dp.getWorkspaceSpringLoadShrunkTop();
+                float shrunkBottom = dp.getWorkspaceSpringLoadShrunkBottom();
+                float scale =
+                        (shrunkBottom - shrunkTop) / launcher.getWorkspace().getNormalChildHeight();
+                int workspaceWidth = (int) (launcher.getWorkspace().getNormalChildWidth() * scale);
+                int start = barCenter - (workspaceWidth / 2);
+                int end = barCenter + (workspaceWidth / 2);
+
+                ButtonDropTarget leftButton = visibleButtons[0];
+                ButtonDropTarget rightButton = visibleButtons[1];
+
+                // If the text within the buttons is too long, the buttons can overlap
+                int overlap = start + leftButton.getMeasuredWidth() + rightButton.getMeasuredWidth()
+                        - end;
+                if (overlap > 0) {
+                    start -= overlap / 2;
+                    end += overlap / 2;
+                }
+
+                leftButton.layout(start, 0, start + leftButton.getMeasuredWidth(),
+                        leftButton.getMeasuredHeight());
+                rightButton.layout(end - rightButton.getMeasuredWidth(), 0, end,
+                        rightButton.getMeasuredHeight());
             }
         }
     }
diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index 2c14f07..1eb493b 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -775,7 +775,7 @@
                     pageScrollChanged = true;
                     outPageScrolls[i] = pageScroll;
                 }
-                childStart += primaryDimension + getChildGap();
+                childStart += primaryDimension + getChildGap(i, i + delta);
 
                 // This makes sure that the space is added after the page, not after each panel
                 int lastPanel = mIsRtl ? 0 : panelCount - 1;
@@ -799,7 +799,7 @@
         return pageScrollChanged;
     }
 
-    protected int getChildGap() {
+    protected int getChildGap(int fromIndex, int toIndex) {
         return 0;
     }
 
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 8b19a19..a7fc2f5 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -324,37 +324,14 @@
             setPageSpacing(Math.max(maxInsets, maxPadding));
         }
 
-        updateWorkspaceScreensPadding();
+        updateCellLayoutPadding();
         updateWorkspaceWidgetsSizes();
     }
 
-    private void updateWorkspaceScreensPadding() {
-        DeviceProfile grid = mLauncher.getDeviceProfile();
-        int paddingLeftRight = grid.cellLayoutPaddingLeftRightPx;
-        int paddingBottom = grid.cellLayoutBottomPaddingPx;
-
-        int panelCount = getPanelCount();
-        int rightPanelModulus = mIsRtl ? 0 : panelCount - 1;
-        int leftPanelModulus = mIsRtl ? panelCount - 1 : 0;
-        int numberOfScreens = mScreenOrder.size();
-        for (int i = 0; i < numberOfScreens; i++) {
-            int paddingLeft = paddingLeftRight;
-            int paddingRight = paddingLeftRight;
-            // Add missing cellLayout border in-between panels.
-            if (panelCount > 1) {
-                if (i % panelCount == leftPanelModulus) {
-                    paddingRight += grid.cellLayoutBorderSpacePx.x / 2;
-                } else if (i % panelCount == rightPanelModulus) { // right side panel
-                    paddingLeft += grid.cellLayoutBorderSpacePx.x / 2;
-                } else { // middle panel
-                    paddingLeft += grid.cellLayoutBorderSpacePx.x / 2;
-                    paddingRight += grid.cellLayoutBorderSpacePx.x / 2;
-                }
-            }
-            // SparseArrayMap doesn't keep the order
-            mWorkspaceScreens.get(mScreenOrder.get(i))
-                    .setPadding(paddingLeft, 0, paddingRight, paddingBottom);
-        }
+    private void updateCellLayoutPadding() {
+        Rect padding = mLauncher.getDeviceProfile().cellLayoutPaddingPx;
+        mWorkspaceScreens.forEach(
+                s -> s.setPadding(padding.left, padding.top, padding.right, padding.bottom));
     }
 
     private void updateWorkspaceWidgetsSizes() {
@@ -652,7 +629,7 @@
                 mLauncher.getStateManager().getState(), newScreen, insertIndex);
 
         updatePageScrollValues();
-        updateWorkspaceScreensPadding();
+        updateCellLayoutPadding();
         return newScreen;
     }
 
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index de33ae5..8ba2070 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -258,6 +258,9 @@
             "ENABLE_NEW_MIGRATION_LOGIC", true,
             "Enable the new grid migration logic, keeping pages when src < dest");
 
+    public static final BooleanFlag ENABLE_ONE_SEARCH_MOTION = new DeviceFlag(
+            "ENABLE_ONE_SEARCH_MOTION", false, "Enables animations in OneSearch.");
+
     public static void initialize(Context context) {
         synchronized (sDebugFlags) {
             for (DebugFlag flag : sDebugFlags) {
diff --git a/src/com/android/launcher3/folder/FolderPagedView.java b/src/com/android/launcher3/folder/FolderPagedView.java
index 65991e4..3d5aef5 100644
--- a/src/com/android/launcher3/folder/FolderPagedView.java
+++ b/src/com/android/launcher3/folder/FolderPagedView.java
@@ -252,7 +252,7 @@
     }
 
     @Override
-    protected int getChildGap() {
+    protected int getChildGap(int fromIndex, int toIndex) {
         return getPaddingLeft() + getPaddingRight();
     }
 
diff --git a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
index cc17064..3dfece7 100644
--- a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
+++ b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
@@ -225,21 +225,21 @@
         mHotseat.resetLayout(false);
 
         CellLayout firstScreen = mRootView.findViewById(R.id.workspace);
-        firstScreen.setPadding(mDp.workspacePadding.left + mDp.cellLayoutPaddingLeftRightPx,
-                mDp.workspacePadding.top,
+        firstScreen.setPadding(mDp.workspacePadding.left + mDp.cellLayoutPaddingPx.left,
+                mDp.workspacePadding.top + mDp.cellLayoutPaddingPx.top,
                 (mDp.isTwoPanels ? mDp.cellLayoutBorderSpacePx.x / 2
-                        : mDp.workspacePadding.right) + mDp.cellLayoutPaddingLeftRightPx,
-                mDp.workspacePadding.bottom
+                        : mDp.workspacePadding.right) + mDp.cellLayoutPaddingPx.right,
+                mDp.workspacePadding.bottom + mDp.cellLayoutPaddingPx.bottom
         );
         mWorkspaceScreens.put(FIRST_SCREEN_ID, firstScreen);
 
         if (mDp.isTwoPanels) {
             CellLayout rightPanel = mRootView.findViewById(R.id.workspace_right);
             rightPanel.setPadding(
-                    mDp.cellLayoutBorderSpacePx.x / 2 + mDp.cellLayoutPaddingLeftRightPx,
-                    mDp.workspacePadding.top,
-                    mDp.workspacePadding.right + mDp.cellLayoutPaddingLeftRightPx,
-                    mDp.workspacePadding.bottom
+                    mDp.cellLayoutBorderSpacePx.x / 2  + mDp.cellLayoutPaddingPx.left,
+                    mDp.workspacePadding.top + mDp.cellLayoutPaddingPx.top,
+                    mDp.workspacePadding.right + mDp.cellLayoutPaddingPx.right,
+                    mDp.workspacePadding.bottom + mDp.cellLayoutPaddingPx.bottom
             );
             mWorkspaceScreens.put(Workspace.SECOND_SCREEN_ID, rightPanel);
         }
diff --git a/src/com/android/launcher3/icons/IconCache.java b/src/com/android/launcher3/icons/IconCache.java
index 5ece4a6..7ba2317 100644
--- a/src/com/android/launcher3/icons/IconCache.java
+++ b/src/com/android/launcher3/icons/IconCache.java
@@ -16,6 +16,7 @@
 
 package com.android.launcher3.icons;
 
+import static com.android.launcher3.LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
 import static com.android.launcher3.widget.WidgetSections.NO_CATEGORY;
@@ -340,14 +341,15 @@
         Map<Pair<UserHandle, Boolean>, List<IconRequestInfo<T>>> iconLoadSubsectionsMap =
                 iconRequestInfos.stream()
                         .filter(iconRequest -> {
-                            if (iconRequest.itemInfo.getTargetComponent() != null) {
-                                return true;
+                            if (iconRequest.itemInfo.getTargetComponent() == null) {
+                                Log.i(TAG,
+                                        "Skipping Item info with null component name: "
+                                                + iconRequest.itemInfo);
+                                iconRequest.itemInfo.bitmap = getDefaultIcon(
+                                        iconRequest.itemInfo.user);
+                                return false;
                             }
-                            Log.i(TAG,
-                                    "Skipping Item info with null component name: "
-                                            + iconRequest.itemInfo);
-                            iconRequest.itemInfo.bitmap = getDefaultIcon(iconRequest.itemInfo.user);
-                            return false;
+                            return true;
                         })
                         .collect(groupingBy(iconRequest ->
                                 Pair.create(iconRequest.itemInfo.user, iconRequest.useLowResIcon)));
@@ -356,6 +358,17 @@
         iconLoadSubsectionsMap.forEach((sectionKey, filteredList) -> {
             Map<ComponentName, List<IconRequestInfo<T>>> duplicateIconRequestsMap =
                     filteredList.stream()
+                            .filter(iconRequest -> {
+                                // Filter out icons that should not share the same bitmap and title
+                                if (iconRequest.itemInfo.itemType == ITEM_TYPE_DEEP_SHORTCUT) {
+                                    Log.e(TAG,
+                                            "Skipping Item info for deep shortcut: "
+                                                    + iconRequest.itemInfo,
+                                            new IllegalStateException());
+                                    return false;
+                                }
+                                return true;
+                            })
                             .collect(groupingBy(iconRequest ->
                                     iconRequest.itemInfo.getTargetComponent()));
 
diff --git a/src/com/android/launcher3/model/LoaderTask.java b/src/com/android/launcher3/model/LoaderTask.java
index b9fa21d..f1c5d59 100644
--- a/src/com/android/launcher3/model/LoaderTask.java
+++ b/src/com/android/launcher3/model/LoaderTask.java
@@ -615,7 +615,13 @@
                             }
 
                             if (info != null) {
-                                iconRequestInfos.add(c.createIconRequestInfo(info, useLowResIcon));
+                                if (info.itemType
+                                        != LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
+                                    // Skip deep shortcuts; their title and icons have already been
+                                    // loaded above.
+                                    iconRequestInfos.add(
+                                            c.createIconRequestInfo(info, useLowResIcon));
+                                }
 
                                 c.applyCommonProperties(info);
 
diff --git a/src/com/android/launcher3/secondarydisplay/SecondaryDragLayer.java b/src/com/android/launcher3/secondarydisplay/SecondaryDragLayer.java
index 967f2c8..9201006 100644
--- a/src/com/android/launcher3/secondarydisplay/SecondaryDragLayer.java
+++ b/src/com/android/launcher3/secondarydisplay/SecondaryDragLayer.java
@@ -113,13 +113,17 @@
         for (int i = 0; i < count; i++) {
             final View child = getChildAt(i);
             if (child == mAppsView) {
-                int padding = 2 * (grid.desiredWorkspaceHorizontalMarginPx
-                        + grid.cellLayoutPaddingLeftRightPx);
+                int horizontalPadding = (2 * grid.desiredWorkspaceHorizontalMarginPx)
+                        + grid.cellLayoutPaddingPx.left + grid.cellLayoutPaddingPx.right;
+                int verticalPadding =
+                        grid.cellLayoutPaddingPx.top + grid.cellLayoutPaddingPx.bottom;
 
-                int maxWidth = grid.allAppsCellWidthPx * grid.numShownAllAppsColumns + padding;
+                int maxWidth =
+                        grid.allAppsCellWidthPx * grid.numShownAllAppsColumns + horizontalPadding;
                 int appsWidth = Math.min(width, maxWidth);
 
-                int maxHeight = grid.allAppsCellHeightPx * grid.numShownAllAppsColumns + padding;
+                int maxHeight =
+                        grid.allAppsCellHeightPx * grid.numShownAllAppsColumns + verticalPadding;
                 int appsHeight = Math.min(height, maxHeight);
 
                 mAppsView.measure(
diff --git a/src/com/android/launcher3/states/SpringLoadedState.java b/src/com/android/launcher3/states/SpringLoadedState.java
index d52594e..9be3cc5 100644
--- a/src/com/android/launcher3/states/SpringLoadedState.java
+++ b/src/com/android/launcher3/states/SpringLoadedState.java
@@ -18,7 +18,6 @@
 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_HOME;
 
 import android.content.Context;
-import android.graphics.Rect;
 
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Launcher;
@@ -52,28 +51,15 @@
             return super.getWorkspaceScaleAndTranslation(launcher);
         }
 
-        if (grid.isVerticalBarLayout()) {
-            float scale = grid.workspaceSpringLoadShrinkFactor;
-            return new ScaleAndTranslation(scale, 0, 0);
-        }
-
-        float scale = grid.workspaceSpringLoadShrinkFactor;
-        Rect insets = launcher.getDragLayer().getInsets();
-
-        float scaledHeight = scale * ws.getNormalChildHeight();
-        float shrunkTop = insets.top + grid.dropTargetBarSizePx;
-        float shrunkBottom = ws.getMeasuredHeight() - insets.bottom
-                - grid.workspacePadding.bottom
-                - grid.workspaceSpringLoadedBottomSpace;
-        float totalShrunkSpace = shrunkBottom - shrunkTop;
-
-        float desiredCellTop = shrunkTop + (totalShrunkSpace - scaledHeight) / 2;
+        float shrunkTop = grid.getWorkspaceSpringLoadShrunkTop();
+        float shrunkBottom = grid.getWorkspaceSpringLoadShrunkBottom();
+        float scale = (shrunkBottom - shrunkTop) / ws.getNormalChildHeight();
 
         float halfHeight = ws.getHeight() / 2;
         float myCenter = ws.getTop() + halfHeight;
         float cellTopFromCenter = halfHeight - ws.getChildAt(0).getTop();
         float actualCellTop = myCenter - cellTopFromCenter * scale;
-        return new ScaleAndTranslation(scale, 0, (desiredCellTop - actualCellTop) / scale);
+        return new ScaleAndTranslation(scale, 0, (shrunkTop - actualCellTop) / scale);
     }
 
     @Override
diff --git a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
index 2609e54..217a558 100644
--- a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
+++ b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
@@ -16,6 +16,7 @@
 
 package com.android.launcher3.touch;
 
+import static android.view.Gravity.BOTTOM;
 import static android.view.Gravity.CENTER_VERTICAL;
 import static android.view.Gravity.END;
 import static android.view.Gravity.START;
@@ -414,14 +415,17 @@
     @Override
     public void setSplitTaskSwipeRect(DeviceProfile dp, Rect outRect,
             StagedSplitBounds splitInfo, int desiredStagePosition) {
-        float diff;
-        float horizontalDividerDiff = splitInfo.visualDividerBounds.width() / 2f;
+        float topLeftTaskPercent = splitInfo.appsStackedVertically
+                ? splitInfo.topTaskPercent
+                : splitInfo.leftTaskPercent;
+        float dividerBarPercent = splitInfo.appsStackedVertically
+                ? splitInfo.dividerHeightPercent
+                : splitInfo.dividerWidthPercent;
+
         if (desiredStagePosition == SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT) {
-            diff = outRect.height() * (1f - splitInfo.leftTaskPercent) + horizontalDividerDiff;
-            outRect.bottom -= diff;
+            outRect.bottom = outRect.top + (int) (outRect.height() * topLeftTaskPercent);
         } else {
-            diff = outRect.height() * splitInfo.leftTaskPercent + horizontalDividerDiff;
-            outRect.top += diff;
+            outRect.top += (int) (outRect.height() * (topLeftTaskPercent + dividerBarPercent));
         }
     }
 
@@ -468,18 +472,42 @@
     @Override
     public void setSplitIconParams(View primaryIconView, View secondaryIconView,
             int taskIconHeight, int primarySnapshotWidth, int primarySnapshotHeight,
-            boolean isRtl, DeviceProfile deviceProfile, StagedSplitBounds splitConfig) {
+            int groupedTaskViewHeight, int groupedTaskViewWidth, boolean isRtl,
+            DeviceProfile deviceProfile, StagedSplitBounds splitConfig) {
         FrameLayout.LayoutParams primaryIconParams =
                 (FrameLayout.LayoutParams) primaryIconView.getLayoutParams();
         FrameLayout.LayoutParams secondaryIconParams =
                 new FrameLayout.LayoutParams(primaryIconParams);
 
-        primaryIconParams.gravity = CENTER_VERTICAL | (isRtl ? START : END);
+        // We calculate the "midpoint" of the thumbnail area, and place the icons there.
+        // This is the place where the thumbnail area splits by default, in a near-50/50 split.
+        // It is usually not exactly 50/50, due to insets/screen cutouts.
+        int fullscreenInsetThickness = deviceProfile.getInsets().top;
+        int fullscreenMidpointFromBottom = ((deviceProfile.heightPx - fullscreenInsetThickness)
+                / 2);
+        float midpointFromBottomPct = (float) fullscreenMidpointFromBottom / deviceProfile.heightPx;
+        float insetPct = (float) fullscreenInsetThickness / deviceProfile.heightPx;
+        int spaceAboveSnapshots = deviceProfile.overviewTaskThumbnailTopMarginPx;
+        int overviewThumbnailAreaThickness = groupedTaskViewHeight - spaceAboveSnapshots;
+        int bottomToMidpointOffset = (int) (overviewThumbnailAreaThickness * midpointFromBottomPct);
+        int insetOffset = (int) (overviewThumbnailAreaThickness * insetPct);
+
+        primaryIconParams.gravity = BOTTOM | (isRtl ? START : END);
+        secondaryIconParams.gravity = BOTTOM | (isRtl ? START : END);
         primaryIconView.setTranslationX(0);
-        primaryIconView.setTranslationY(-(taskIconHeight / 2f));
-        secondaryIconParams.gravity = CENTER_VERTICAL | (isRtl ? START : END);
         secondaryIconView.setTranslationX(0);
-        secondaryIconView.setTranslationY(taskIconHeight / 2f);
+        if (splitConfig.initiatedFromSeascape) {
+            // if the split was initiated from seascape,
+            // the task on the right (secondary) is slightly larger
+            primaryIconView.setTranslationY(-bottomToMidpointOffset - insetOffset);
+            secondaryIconView.setTranslationY(-bottomToMidpointOffset - insetOffset
+                    + taskIconHeight);
+        } else {
+            // if not,
+            // the task on the left (primary) is slightly larger
+            primaryIconView.setTranslationY(-bottomToMidpointOffset);
+            secondaryIconView.setTranslationY(-bottomToMidpointOffset + taskIconHeight);
+        }
 
         primaryIconView.setLayoutParams(primaryIconParams);
         secondaryIconView.setLayoutParams(secondaryIconParams);
diff --git a/src/com/android/launcher3/touch/PagedOrientationHandler.java b/src/com/android/launcher3/touch/PagedOrientationHandler.java
index 6e594e9..1b17126 100644
--- a/src/com/android/launcher3/touch/PagedOrientationHandler.java
+++ b/src/com/android/launcher3/touch/PagedOrientationHandler.java
@@ -146,7 +146,8 @@
             int taskIconMargin, int taskIconHeight, int thumbnailTopMargin, boolean isRtl);
     void setSplitIconParams(View primaryIconView, View secondaryIconView,
             int taskIconHeight, int primarySnapshotWidth, int primarySnapshotHeight,
-            boolean isRtl, DeviceProfile deviceProfile, StagedSplitBounds splitConfig);
+            int groupedTaskViewHeight, int groupedTaskViewWidth, boolean isRtl,
+            DeviceProfile deviceProfile, StagedSplitBounds splitConfig);
 
     /*
      * The following two methods try to center the TaskMenuView in landscape by finding the center
diff --git a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
index 2c9afd6..7e1cb25 100644
--- a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
+++ b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
@@ -18,6 +18,7 @@
 
 import static android.view.Gravity.BOTTOM;
 import static android.view.Gravity.CENTER_HORIZONTAL;
+import static android.view.Gravity.END;
 import static android.view.Gravity.START;
 import static android.view.Gravity.TOP;
 import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
@@ -334,8 +335,14 @@
         // Set translations
         if (deviceProfile.isLandscape) {
             if (desiredTaskId == splitBounds.rightBottomTaskId) {
-                translationX = ((taskViewWidth * splitBounds.leftTaskPercent)
-                                + (taskViewWidth * splitBounds.dividerWidthPercent));
+                float leftTopTaskPercent = splitBounds.appsStackedVertically
+                        ? splitBounds.topTaskPercent
+                        : splitBounds.leftTaskPercent;
+                float dividerThicknessPercent = splitBounds.appsStackedVertically
+                        ? splitBounds.dividerHeightPercent
+                        : splitBounds.dividerWidthPercent;
+                translationX = ((taskViewWidth * leftTopTaskPercent)
+                        + (taskViewWidth * dividerThicknessPercent));
             }
         } else {
             if (desiredTaskId == splitBounds.leftTopTaskId) {
@@ -488,19 +495,24 @@
     public void setSplitTaskSwipeRect(DeviceProfile dp, Rect outRect,
             StagedSplitBounds splitInfo, int desiredStagePosition) {
         boolean isLandscape = dp.isLandscape;
+        float topLeftTaskPercent = splitInfo.appsStackedVertically
+                ? splitInfo.topTaskPercent
+                : splitInfo.leftTaskPercent;
+        float dividerBarPercent = splitInfo.appsStackedVertically
+                ? splitInfo.dividerHeightPercent
+                : splitInfo.dividerWidthPercent;
+
         if (desiredStagePosition == SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT) {
             if (isLandscape) {
-                outRect.right = outRect.left + (int) (outRect.width() * splitInfo.leftTaskPercent);
+                outRect.right = outRect.left + (int) (outRect.width() * topLeftTaskPercent);
             } else {
-                outRect.bottom = outRect.top + (int) (outRect.height() * splitInfo.topTaskPercent);
+                outRect.bottom = outRect.top + (int) (outRect.height() * topLeftTaskPercent);
             }
         } else {
             if (isLandscape) {
-                outRect.left += (int) (outRect.width() *
-                        (splitInfo.leftTaskPercent + splitInfo.dividerWidthPercent));
+                outRect.left += (int) (outRect.width() * (topLeftTaskPercent + dividerBarPercent));
             } else {
-                outRect.top += (int) (outRect.height() *
-                        (splitInfo.topTaskPercent + splitInfo.dividerHeightPercent));
+                outRect.top += (int) (outRect.height() * (topLeftTaskPercent + dividerBarPercent));
             }
         }
     }
@@ -559,18 +571,70 @@
     @Override
     public void setSplitIconParams(View primaryIconView, View secondaryIconView,
             int taskIconHeight, int primarySnapshotWidth, int primarySnapshotHeight,
-            boolean isRtl, DeviceProfile deviceProfile, StagedSplitBounds splitConfig) {
+            int groupedTaskViewHeight, int groupedTaskViewWidth, boolean isRtl,
+            DeviceProfile deviceProfile, StagedSplitBounds splitConfig) {
         FrameLayout.LayoutParams primaryIconParams =
                 (FrameLayout.LayoutParams) primaryIconView.getLayoutParams();
         FrameLayout.LayoutParams secondaryIconParams =
                 new FrameLayout.LayoutParams(primaryIconParams);
 
-        primaryIconParams.gravity = TOP | CENTER_HORIZONTAL;
-        // shifts icon half a width left (height is used conveniently here since icons are square)
-        primaryIconView.setTranslationX(-(taskIconHeight / 2f));
+        if (deviceProfile.isLandscape) {
+            // We calculate the "midpoint" of the thumbnail area, and place the icons there.
+            // This is the place where the thumbnail area splits by default, in a near-50/50 split.
+            // It is usually not exactly 50/50, due to insets/screen cutouts.
+            int fullscreenInsetThickness = deviceProfile.isSeascape()
+                    ? deviceProfile.getInsets().right
+                    : deviceProfile.getInsets().left;
+            int fullscreenMidpointFromBottom = ((deviceProfile.widthPx
+                    - fullscreenInsetThickness) / 2);
+            float midpointFromBottomPct = (float) fullscreenMidpointFromBottom
+                    / deviceProfile.widthPx;
+            float insetPct = (float) fullscreenInsetThickness / deviceProfile.widthPx;
+            int spaceAboveSnapshots = 0;
+            int overviewThumbnailAreaThickness = groupedTaskViewWidth - spaceAboveSnapshots;
+            int bottomToMidpointOffset = (int) (overviewThumbnailAreaThickness
+                    * midpointFromBottomPct);
+            int insetOffset = (int) (overviewThumbnailAreaThickness * insetPct);
+
+            if (deviceProfile.isSeascape()) {
+                primaryIconParams.gravity = TOP | (isRtl ? END : START);
+                secondaryIconParams.gravity = TOP | (isRtl ? END : START);
+                if (splitConfig.initiatedFromSeascape) {
+                    // if the split was initiated from seascape,
+                    // the task on the right (secondary) is slightly larger
+                    primaryIconView.setTranslationX(bottomToMidpointOffset - taskIconHeight);
+                    secondaryIconView.setTranslationX(bottomToMidpointOffset);
+                } else {
+                    // if not,
+                    // the task on the left (primary) is slightly larger
+                    primaryIconView.setTranslationX(bottomToMidpointOffset + insetOffset
+                            - taskIconHeight);
+                    secondaryIconView.setTranslationX(bottomToMidpointOffset + insetOffset);
+                }
+            } else {
+                primaryIconParams.gravity = TOP | (isRtl ? START : END);
+                secondaryIconParams.gravity = TOP | (isRtl ? START : END);
+                if (!splitConfig.initiatedFromSeascape) {
+                    // if the split was initiated from landscape,
+                    // the task on the left (primary) is slightly larger
+                    primaryIconView.setTranslationX(-bottomToMidpointOffset);
+                    secondaryIconView.setTranslationX(-bottomToMidpointOffset + taskIconHeight);
+                } else {
+                    // if not,
+                    // the task on the right (secondary) is slightly larger
+                    primaryIconView.setTranslationX(-bottomToMidpointOffset - insetOffset);
+                    secondaryIconView.setTranslationX(-bottomToMidpointOffset - insetOffset
+                            + taskIconHeight);
+                }
+            }
+        } else {
+            primaryIconParams.gravity = TOP | CENTER_HORIZONTAL;
+            // shifts icon half a width left (height is used here since icons are square)
+            primaryIconView.setTranslationX(-(taskIconHeight / 2f));
+            secondaryIconParams.gravity = TOP | CENTER_HORIZONTAL;
+            secondaryIconView.setTranslationX(taskIconHeight / 2f);
+        }
         primaryIconView.setTranslationY(0);
-        secondaryIconParams.gravity = TOP | CENTER_HORIZONTAL;
-        secondaryIconView.setTranslationX(taskIconHeight / 2f);
         secondaryIconView.setTranslationY(0);
 
         primaryIconView.setLayoutParams(primaryIconParams);
diff --git a/src/com/android/launcher3/touch/SeascapePagedViewHandler.java b/src/com/android/launcher3/touch/SeascapePagedViewHandler.java
index 9151796..74b6a5b 100644
--- a/src/com/android/launcher3/touch/SeascapePagedViewHandler.java
+++ b/src/com/android/launcher3/touch/SeascapePagedViewHandler.java
@@ -178,16 +178,46 @@
     @Override
     public void setSplitIconParams(View primaryIconView, View secondaryIconView,
             int taskIconHeight, int primarySnapshotWidth, int primarySnapshotHeight,
-            boolean isRtl, DeviceProfile deviceProfile, StagedSplitBounds splitConfig) {
+            int groupedTaskViewHeight, int groupedTaskViewWidth, boolean isRtl,
+            DeviceProfile deviceProfile, StagedSplitBounds splitConfig) {
         super.setSplitIconParams(primaryIconView, secondaryIconView, taskIconHeight,
-                primarySnapshotWidth, primarySnapshotHeight, isRtl, deviceProfile, splitConfig);
+                primarySnapshotWidth, primarySnapshotHeight, groupedTaskViewHeight,
+                groupedTaskViewWidth, isRtl, deviceProfile, splitConfig);
         FrameLayout.LayoutParams primaryIconParams =
                 (FrameLayout.LayoutParams) primaryIconView.getLayoutParams();
         FrameLayout.LayoutParams secondaryIconParams =
                 (FrameLayout.LayoutParams) secondaryIconView.getLayoutParams();
 
-        primaryIconParams.gravity = CENTER_VERTICAL | (isRtl ? END : START);
-        secondaryIconParams.gravity = CENTER_VERTICAL | (isRtl ? END : START);
+        // We calculate the "midpoint" of the thumbnail area, and place the icons there.
+        // This is the place where the thumbnail area splits by default, in a near-50/50 split.
+        // It is usually not exactly 50/50, due to insets/screen cutouts.
+        int fullscreenInsetThickness = deviceProfile.getInsets().top;
+        int fullscreenMidpointFromBottom = ((deviceProfile.heightPx
+                - fullscreenInsetThickness) / 2);
+        float midpointFromBottomPct = (float) fullscreenMidpointFromBottom / deviceProfile.heightPx;
+        float insetPct = (float) fullscreenInsetThickness / deviceProfile.heightPx;
+        int spaceAboveSnapshots = deviceProfile.overviewTaskThumbnailTopMarginPx;
+        int overviewThumbnailAreaThickness = groupedTaskViewHeight - spaceAboveSnapshots;
+        int bottomToMidpointOffset = (int) (overviewThumbnailAreaThickness * midpointFromBottomPct);
+        int insetOffset = (int) (overviewThumbnailAreaThickness * insetPct);
+
+        primaryIconParams.gravity = BOTTOM | (isRtl ? END : START);
+        secondaryIconParams.gravity = BOTTOM | (isRtl ? END : START);
+        primaryIconView.setTranslationX(0);
+        secondaryIconView.setTranslationX(0);
+        if (splitConfig.initiatedFromSeascape) {
+            // if the split was initiated from seascape,
+            // the task on the right (secondary) is slightly larger
+            primaryIconView.setTranslationY(-bottomToMidpointOffset - insetOffset);
+            secondaryIconView.setTranslationY(-bottomToMidpointOffset - insetOffset
+                    + taskIconHeight);
+        } else {
+            // if not,
+            // the task on the left (primary) is slightly larger
+            primaryIconView.setTranslationY(-bottomToMidpointOffset);
+            secondaryIconView.setTranslationY(-bottomToMidpointOffset + taskIconHeight);
+        }
+
         primaryIconView.setLayoutParams(primaryIconParams);
         secondaryIconView.setLayoutParams(secondaryIconParams);
     }
diff --git a/src/com/android/launcher3/util/SplitConfigurationOptions.java b/src/com/android/launcher3/util/SplitConfigurationOptions.java
index cb714b2..b40493a 100644
--- a/src/com/android/launcher3/util/SplitConfigurationOptions.java
+++ b/src/com/android/launcher3/util/SplitConfigurationOptions.java
@@ -113,6 +113,14 @@
          * the bounds were originally in
          */
         public final boolean appsStackedVertically;
+        /**
+         * If {@code true}, that means at the time of creation of this object, the phone was in
+         * seascape orientation. This is important on devices with insets, because they do not split
+         * evenly -- one of the insets must be slightly larger to account for the inset.
+         * From landscape, it is the leftTop task that expands slightly.
+         * From seascape, it is the rightBottom task that expands slightly.
+         */
+        public final boolean initiatedFromSeascape;
         public final int leftTopTaskId;
         public final int rightBottomTaskId;
 
@@ -128,11 +136,22 @@
                 this.visualDividerBounds = new Rect(leftTopBounds.left, leftTopBounds.bottom,
                         leftTopBounds.right, rightBottomBounds.top);
                 appsStackedVertically = true;
+                initiatedFromSeascape = false;
             } else {
                 // horizontal apps, vertical divider
                 this.visualDividerBounds = new Rect(leftTopBounds.right, leftTopBounds.top,
                         rightBottomBounds.left, leftTopBounds.bottom);
                 appsStackedVertically = false;
+                // The following check is unreliable on devices without insets
+                // (initiatedFromSeascape will always be set to false.) This happens to be OK for
+                // all our current uses, but should be refactored.
+                // TODO: Create a more reliable check, or refactor how splitting works on devices
+                //  with insets.
+                if (rightBottomBounds.width() > leftTopBounds.width()) {
+                    initiatedFromSeascape = true;
+                } else {
+                    initiatedFromSeascape = false;
+                }
             }
 
             leftTaskPercent = this.leftTopBounds.width() / (float) rightBottomBounds.right;