diff --git a/quickstep/src/com/android/launcher3/uioverrides/UiFactory.java b/quickstep/src/com/android/launcher3/uioverrides/UiFactory.java
index ac9f863..2d0946b 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/UiFactory.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/UiFactory.java
@@ -165,6 +165,14 @@
         }
     }
 
+    public static void onEnterAnimationComplete(Context context) {
+        // After the transition to home, enable the high-res thumbnail loader if it wasn't enabled
+        // as a part of quickstep/scrub, so that high-res thumbnails can load the next time we
+        // enter overview
+        RecentsModel.getInstance(context).getRecentsTaskLoader()
+                .getHighResThumbnailLoader().setVisible(true);
+    }
+
     public static void onLauncherStateOrResumeChanged(Launcher launcher) {
         LauncherState state = launcher.getStateManager().getState();
         DeviceProfile profile = launcher.getDeviceProfile();
diff --git a/quickstep/src/com/android/quickstep/ActivityControlHelper.java b/quickstep/src/com/android/quickstep/ActivityControlHelper.java
index 275075f..ced8754 100644
--- a/quickstep/src/com/android/quickstep/ActivityControlHelper.java
+++ b/quickstep/src/com/android/quickstep/ActivityControlHelper.java
@@ -294,6 +294,9 @@
         private void playScaleDownAnim(AnimatorSet anim, Launcher launcher) {
             RecentsView recentsView = launcher.getOverviewPanel();
             TaskView v = recentsView.getTaskViewAt(recentsView.getCurrentPage());
+            if (v == null) {
+                return;
+            }
             ClipAnimationHelper clipHelper = new ClipAnimationHelper();
             clipHelper.fromTaskThumbnailView(v.getThumbnail(), (RecentsView) v.getParent(), null);
             if (!clipHelper.getSourceRect().isEmpty() && !clipHelper.getTargetRect().isEmpty()) {
diff --git a/quickstep/src/com/android/quickstep/RecentsActivity.java b/quickstep/src/com/android/quickstep/RecentsActivity.java
index ed8b4d2..1d7c066 100644
--- a/quickstep/src/com/android/quickstep/RecentsActivity.java
+++ b/quickstep/src/com/android/quickstep/RecentsActivity.java
@@ -241,6 +241,12 @@
     }
 
     @Override
+    public void onEnterAnimationComplete() {
+        super.onEnterAnimationComplete();
+        UiFactory.onEnterAnimationComplete(this);
+    }
+
+    @Override
     public void onTrimMemory(int level) {
         super.onTrimMemory(level);
         UiFactory.onTrimMemory(this, level);
diff --git a/quickstep/src/com/android/quickstep/RecentsModel.java b/quickstep/src/com/android/quickstep/RecentsModel.java
index 0c8e47f..0b97f01 100644
--- a/quickstep/src/com/android/quickstep/RecentsModel.java
+++ b/quickstep/src/com/android/quickstep/RecentsModel.java
@@ -232,7 +232,6 @@
 
     public void onStart() {
         mRecentsTaskLoader.startLoader(mContext);
-        mRecentsTaskLoader.getHighResThumbnailLoader().setVisible(true);
     }
 
     public void onTrimMemory(int level) {
diff --git a/quickstep/src/com/android/quickstep/TaskSystemShortcut.java b/quickstep/src/com/android/quickstep/TaskSystemShortcut.java
index 5a6312d..e5a2b5e 100644
--- a/quickstep/src/com/android/quickstep/TaskSystemShortcut.java
+++ b/quickstep/src/com/android/quickstep/TaskSystemShortcut.java
@@ -30,7 +30,6 @@
 import android.util.Log;
 import android.view.View;
 
-import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.ItemInfo;
@@ -270,9 +269,4 @@
             return null;
         }
     }
-
-    private static void dismissTaskMenuView(BaseDraggingActivity activity) {
-        AbstractFloatingView.closeOpenViews(activity, true,
-                AbstractFloatingView.TYPE_ALL & ~AbstractFloatingView.TYPE_REBIND_SAFE);
-    }
 }
diff --git a/quickstep/src/com/android/quickstep/WindowTransformSwipeHandler.java b/quickstep/src/com/android/quickstep/WindowTransformSwipeHandler.java
index 902eb95..1f0a057 100644
--- a/quickstep/src/com/android/quickstep/WindowTransformSwipeHandler.java
+++ b/quickstep/src/com/android/quickstep/WindowTransformSwipeHandler.java
@@ -483,6 +483,12 @@
         if (LatencyTrackerCompat.isEnabled(mContext)) {
             LatencyTrackerCompat.logToggleRecents((int) (mLauncherFrameDrawnTime - mTouchTimeMs));
         }
+
+        // This method is only called when STATE_GESTURE_STARTED_QUICKSTEP/
+        // STATE_GESTURE_STARTED_QUICKSCRUB is set, so we can enable the high-res thumbnail loader
+        // here once we are sure that we will end up in an overview state
+        RecentsModel.getInstance(mContext).getRecentsTaskLoader()
+                .getHighResThumbnailLoader().setVisible(true);
     }
 
     public void updateInteractionType(@InteractionType int interactionType) {
diff --git a/res/xml/device_profiles.xml b/res/xml/device_profiles.xml
index a34f225..ef6e145 100644
--- a/res/xml/device_profiles.xml
+++ b/res/xml/device_profiles.xml
@@ -133,13 +133,13 @@
         launcher:name="Nexus 7"
         launcher:minWidthDps="575"
         launcher:minHeightDps="904"
-        launcher:numRows="5"
+        launcher:numRows="6"
         launcher:numColumns="6"
         launcher:numFolderRows="4"
         launcher:numFolderColumns="5"
         launcher:iconSize="64"
         launcher:iconTextSize="14.4"
-        launcher:numHotseatIcons="7"
+        launcher:numHotseatIcons="6"
         launcher:defaultLayoutId="@xml/default_workspace_5x6"
         />
 
@@ -147,8 +147,8 @@
         launcher:name="Nexus 10"
         launcher:minWidthDps="727"
         launcher:minHeightDps="1207"
-        launcher:numRows="5"
-        launcher:numColumns="6"
+        launcher:numRows="6"
+        launcher:numColumns="7"
         launcher:numFolderRows="4"
         launcher:numFolderColumns="5"
         launcher:iconSize="76"
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index 820c125..9839c12 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -59,6 +59,9 @@
 
     private static final float TALL_DEVICE_ASPECT_RATIO_THRESHOLD = 2.0f;
 
+    // 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 desiredWorkspaceLeftRightMarginPx;
     public final int cellLayoutPaddingLeftRightPx;
@@ -172,7 +175,9 @@
         defaultWidgetPadding = AppWidgetHostView.getDefaultPaddingForWidget(context, cn, null);
         edgeMarginPx = res.getDimensionPixelSize(R.dimen.dynamic_grid_edge_margin);
         desiredWorkspaceLeftRightMarginPx = isVerticalBarLayout() ? 0 : edgeMarginPx;
-        cellLayoutPaddingLeftRightPx =
+        int cellLayoutPaddingLeftRightMultiplier = !isVerticalBarLayout() && isTablet
+                ? PORTRAIT_TABLET_LEFT_RIGHT_PADDING_MULTIPLIER : 1;
+        cellLayoutPaddingLeftRightPx = cellLayoutPaddingLeftRightMultiplier *
                 res.getDimensionPixelSize(R.dimen.dynamic_grid_cell_layout_padding);
         cellLayoutBottomPaddingPx =
                 res.getDimensionPixelSize(R.dimen.dynamic_grid_cell_layout_bottom_padding);
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index c3c4f5e..4fe3503 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -348,6 +348,12 @@
     }
 
     @Override
+    public void onEnterAnimationComplete() {
+        super.onEnterAnimationComplete();
+        UiFactory.onEnterAnimationComplete(this);
+    }
+
+    @Override
     public void onConfigurationChanged(Configuration newConfig) {
         int diff = newConfig.diff(mOldConfig);
         if ((diff & (CONFIG_ORIENTATION | CONFIG_SCREEN_SIZE)) != 0) {
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index abba9c4..54d29c1 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -286,7 +286,9 @@
         mInsets.set(insets);
 
         DeviceProfile grid = mLauncher.getDeviceProfile();
-        mMaxDistanceForFolderCreation = (0.55f * grid.iconSizePx);
+        mMaxDistanceForFolderCreation = grid.isTablet
+                ? 0.75f * grid.iconSizePx
+                : 0.55f * grid.iconSizePx;
         mWorkspaceFadeInAdjacentScreens = grid.shouldFadeAdjacentWorkspaceScreens();
 
         Rect padding = grid.workspacePadding;
diff --git a/src/com/android/launcher3/graphics/ShadowGenerator.java b/src/com/android/launcher3/graphics/ShadowGenerator.java
index 5fbf502..88da853 100644
--- a/src/com/android/launcher3/graphics/ShadowGenerator.java
+++ b/src/com/android/launcher3/graphics/ShadowGenerator.java
@@ -126,13 +126,13 @@
         }
 
         public Bitmap createPill(int width, int height) {
-            radius = height / 2;
+            radius = height / 2f;
 
-            int centerX = Math.round(width / 2 + shadowBlur);
+            int centerX = Math.round(width / 2f + shadowBlur);
             int centerY = Math.round(radius + shadowBlur + keyShadowDistance);
             int center = Math.max(centerX, centerY);
             bounds.set(0, 0, width, height);
-            bounds.offsetTo(center - width / 2, center - height / 2);
+            bounds.offsetTo(center - width / 2f, center - height / 2f);
 
             int size = center * 2;
             Bitmap result = Bitmap.createBitmap(size, size, Config.ARGB_8888);
diff --git a/src/com/android/launcher3/popup/SystemShortcut.java b/src/com/android/launcher3/popup/SystemShortcut.java
index 3c1cc90..693e532 100644
--- a/src/com/android/launcher3/popup/SystemShortcut.java
+++ b/src/com/android/launcher3/popup/SystemShortcut.java
@@ -75,6 +75,7 @@
         public View.OnClickListener getOnClickListener(
                 BaseDraggingActivity activity, ItemInfo itemInfo) {
             return (view) -> {
+                dismissTaskMenuView(activity);
                 Rect sourceBounds = activity.getViewBounds(view);
                 Bundle opts = activity.getActivityLaunchOptionsAsBundle(view);
                 new PackageManagerHelper(activity).startDetailsActivityForInfo(
@@ -117,4 +118,9 @@
             };
         }
     }
+
+    protected static void dismissTaskMenuView(BaseDraggingActivity activity) {
+        AbstractFloatingView.closeOpenViews(activity, true,
+            AbstractFloatingView.TYPE_ALL & ~AbstractFloatingView.TYPE_REBIND_SAFE);
+    }
 }
diff --git a/src/com/android/launcher3/qsb/QsbContainerView.java b/src/com/android/launcher3/qsb/QsbContainerView.java
index 8e29df1..5b8ae58 100644
--- a/src/com/android/launcher3/qsb/QsbContainerView.java
+++ b/src/com/android/launcher3/qsb/QsbContainerView.java
@@ -162,7 +162,6 @@
                         .getAppWidgetOptions(widgetId), opts)) {
                     mQsb.updateAppWidgetOptions(opts);
                 }
-                mQsb.setPadding(0, 0, 0, 0);
                 mQsbWidgetHost.startListening();
                 return mQsb;
             }
diff --git a/src/com/android/launcher3/qsb/QsbWidgetHostView.java b/src/com/android/launcher3/qsb/QsbWidgetHostView.java
index 407812d..cff5126 100644
--- a/src/com/android/launcher3/qsb/QsbWidgetHostView.java
+++ b/src/com/android/launcher3/qsb/QsbWidgetHostView.java
@@ -52,6 +52,11 @@
         return mPreviousOrientation != orientation;
     }
 
+    @Override
+    public void setPadding(int left, int top, int right, int bottom) {
+        // Prevent the base class from applying the default widget padding.
+        super.setPadding(0, 0, 0, 0);
+    }
 
     @Override
     protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
diff --git a/src/com/android/launcher3/util/ConfigMonitor.java b/src/com/android/launcher3/util/ConfigMonitor.java
index 2489d30..611931d 100644
--- a/src/com/android/launcher3/util/ConfigMonitor.java
+++ b/src/com/android/launcher3/util/ConfigMonitor.java
@@ -21,37 +21,102 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.res.Configuration;
+import android.graphics.Point;
+import android.hardware.display.DisplayManager;
+import android.hardware.display.DisplayManager.DisplayListener;
+import android.os.Handler;
 import android.util.Log;
+import android.view.Display;
+import android.view.WindowManager;
 
 /**
  * {@link BroadcastReceiver} which watches configuration changes and
  * restarts the process in case changes which affect the device profile occur.
  */
-public class ConfigMonitor extends BroadcastReceiver {
+public class ConfigMonitor extends BroadcastReceiver implements DisplayListener {
+
+    private static final String TAG = "ConfigMonitor";
+
+    private final Point mTmpPoint1 = new Point();
+    private final Point mTmpPoint2 = new Point();
 
     private final Context mContext;
     private final float mFontScale;
     private final int mDensity;
 
+    private final int mDisplayId;
+    private final Point mRealSize;
+    private final Point mSmallestSize, mLargestSize;
+
     public ConfigMonitor(Context context) {
         mContext = context;
 
         Configuration config = context.getResources().getConfiguration();
         mFontScale = config.fontScale;
         mDensity = config.densityDpi;
+
+        Display display = getDefaultDisplay(context);
+        mDisplayId = display.getDisplayId();
+
+        mRealSize = new Point();
+        display.getRealSize(mRealSize);
+
+        mSmallestSize = new Point();
+        mLargestSize = new Point();
+        display.getCurrentSizeRange(mSmallestSize, mLargestSize);
     }
 
     @Override
     public void onReceive(Context context, Intent intent) {
         Configuration config = context.getResources().getConfiguration();
         if (mFontScale != config.fontScale || mDensity != config.densityDpi) {
-            Log.d("ConfigMonitor", "Configuration changed, restarting launcher");
-            mContext.unregisterReceiver(this);
-            android.os.Process.killProcess(android.os.Process.myPid());
+            Log.d(TAG, "Configuration changed");
+            killProcess();
         }
     }
 
     public void register() {
         mContext.registerReceiver(this, new IntentFilter(Intent.ACTION_CONFIGURATION_CHANGED));
+        mContext.getSystemService(DisplayManager.class)
+                .registerDisplayListener(this, new Handler(UiThreadHelper.getBackgroundLooper()));
+    }
+
+    @Override
+    public void onDisplayAdded(int displayId) { }
+
+    @Override
+    public void onDisplayRemoved(int displayId) { }
+
+    @Override
+    public void onDisplayChanged(int displayId) {
+        if (displayId != mDisplayId) {
+            return;
+        }
+        Display display = getDefaultDisplay(mContext);
+        display.getRealSize(mTmpPoint1);
+
+        if (!mRealSize.equals(mTmpPoint1) && !mRealSize.equals(mTmpPoint1.y, mTmpPoint1.x)) {
+            Log.d(TAG, String.format("Display size changed from %s to %s", mRealSize, mTmpPoint1));
+            killProcess();
+            return;
+        }
+
+        display.getCurrentSizeRange(mTmpPoint1, mTmpPoint2);
+        if (!mSmallestSize.equals(mTmpPoint1) || !mLargestSize.equals(mTmpPoint2)) {
+            Log.d(TAG, String.format("Available size changed from [%s, %s] to [%s, %s]",
+                    mSmallestSize, mLargestSize, mTmpPoint1, mTmpPoint2));
+            killProcess();
+        }
+    }
+
+    private void killProcess() {
+        Log.d(TAG, "restarting launcher");
+        mContext.unregisterReceiver(this);
+        mContext.getSystemService(DisplayManager.class).unregisterDisplayListener(this);
+        android.os.Process.killProcess(android.os.Process.myPid());
+    }
+
+    private Display getDefaultDisplay(Context context) {
+        return context.getSystemService(WindowManager.class).getDefaultDisplay();
     }
 }
diff --git a/src_ui_overrides/com/android/launcher3/uioverrides/UiFactory.java b/src_ui_overrides/com/android/launcher3/uioverrides/UiFactory.java
index 5a7e50f..0d727fd 100644
--- a/src_ui_overrides/com/android/launcher3/uioverrides/UiFactory.java
+++ b/src_ui_overrides/com/android/launcher3/uioverrides/UiFactory.java
@@ -48,6 +48,8 @@
 
     public static void onStart(Launcher launcher) { }
 
+    public static void onEnterAnimationComplete(Context context) {}
+
     public static void onLauncherStateOrResumeChanged(Launcher launcher) { }
 
     public static void onTrimMemory(Launcher launcher, int level) { }