diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/states/OverviewModalTaskState.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/states/OverviewModalTaskState.java
index d5b0687..fc0dcd5 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/states/OverviewModalTaskState.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/states/OverviewModalTaskState.java
@@ -20,6 +20,7 @@
 
 import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.Launcher;
+import com.android.launcher3.LauncherState;
 import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
 import com.android.quickstep.views.RecentsView;
 
@@ -56,6 +57,17 @@
         return 1.0f;
     }
 
+    @Override
+    public void onBackPressed(Launcher launcher) {
+        launcher.getStateManager().goToState(LauncherState.OVERVIEW);
+        RecentsView recentsView = launcher.<RecentsView>getOverviewPanel();
+        if (recentsView != null) {
+            recentsView.resetModalVisuals();
+        } else {
+            super.onBackPressed(launcher);
+        }
+    }
+
     public static float[] getOverviewScaleAndOffsetForModalState(BaseDraggingActivity activity) {
         Rect out = new Rect();
         activity.<RecentsView>getOverviewPanel().getTaskSize(out);
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/TaskOverlayFactory.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/TaskOverlayFactory.java
index a6a08cb..177f9a0 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/TaskOverlayFactory.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/TaskOverlayFactory.java
@@ -179,6 +179,12 @@
         }
 
         /**
+         * Called when the system wants to reset the modal visuals.
+         */
+        public void resetModalVisuals() {
+        }
+
+        /**
          * Gets the modal state system shortcut.
          */
         public SystemShortcut getModalStateSystemShortcut(WorkspaceItemInfo itemInfo) {
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
index 534ef7b..873c672 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
@@ -30,6 +30,7 @@
 import static com.android.launcher3.Utilities.squaredHypot;
 import static com.android.launcher3.Utilities.squaredTouchSlop;
 import static com.android.launcher3.anim.Interpolators.ACCEL;
+import static com.android.launcher3.anim.Interpolators.ACCEL_0_75;
 import static com.android.launcher3.anim.Interpolators.ACCEL_2;
 import static com.android.launcher3.anim.Interpolators.FAST_OUT_SLOW_IN;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
@@ -1731,7 +1732,7 @@
 
     private void updatePageOffsets() {
         float offset = mAdjacentPageOffset * getWidth();
-        float modalOffset = mTaskModalness * getWidth();
+        float modalOffset = ACCEL_0_75.getInterpolation(mTaskModalness) * getWidth();
         if (mIsRtl) {
             offset = -offset;
             modalOffset = -modalOffset;
@@ -1759,6 +1760,16 @@
         return Math.max(getWidth(), 1);
     }
 
+    /**
+     * Resets the visuals when exit modal state.
+     */
+    public void resetModalVisuals() {
+        TaskView taskView = getCurrentPageTaskView();
+        if (taskView != null) {
+            taskView.getThumbnail().getTaskOverlay().resetModalVisuals();
+        }
+    }
+
     private void updateDeadZoneRects() {
         // Get the deadzone rect surrounding the clear all button to not dismiss overview to home
         mClearAllButtonDeadZoneRect.setEmpty();
diff --git a/quickstep/src/com/android/launcher3/statehandlers/DepthController.java b/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
index ebe9e26..2b08dcd 100644
--- a/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
+++ b/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
@@ -32,6 +32,7 @@
 import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.statemanager.StateManager.StateHandler;
 import com.android.launcher3.states.StateAnimationConfig;
+import com.android.systemui.shared.system.BlurUtils;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
 import com.android.systemui.shared.system.SurfaceControlCompat;
 import com.android.systemui.shared.system.TransactionCompat;
@@ -110,6 +111,10 @@
     }
 
     private void ensureDependencies() {
+        if (mWallpaperManager == null) {
+            mMaxBlurRadius = mLauncher.getResources().getInteger(R.integer.max_depth_blur_radius);
+            mWallpaperManager = new WallpaperManagerCompat(mLauncher);
+        }
         if (mLauncher.getRootView() != null && mOnAttachListener == null) {
             mOnAttachListener = new View.OnAttachStateChangeListener() {
                 @Override
@@ -127,11 +132,6 @@
             };
             mLauncher.getRootView().addOnAttachStateChangeListener(mOnAttachListener);
         }
-        if (mWallpaperManager != null) {
-            return;
-        }
-        mMaxBlurRadius = mLauncher.getResources().getInteger(R.integer.max_depth_blur_radius);
-        mWallpaperManager = new WallpaperManagerCompat(mLauncher);
     }
 
     /**
@@ -205,7 +205,8 @@
             return;
         }
 
-        if (mSurface == null || !mSurface.isValid()) {
+        boolean supportsBlur = BlurUtils.supportsBlursOnWindows();
+        if (supportsBlur && (mSurface == null || !mSurface.isValid())) {
             return;
         }
         mDepth = depthF;
@@ -214,17 +215,20 @@
         if (windowToken != null) {
             mWallpaperManager.setWallpaperZoomOut(windowToken, mDepth);
         }
-        final int blur;
-        if (mLauncher.isInState(LauncherState.ALL_APPS) && mDepth == 1) {
-            // All apps has a solid background. We don't need to draw blurs after it's fully
-            // visible. This will take us out of GPU composition, saving battery and increasing
-            // performance.
-            blur = 0;
-        } else {
-            blur = (int) (mDepth * mMaxBlurRadius);
+
+        if (supportsBlur) {
+            final int blur;
+            if (mLauncher.isInState(LauncherState.ALL_APPS) && mDepth == 1) {
+                // All apps has a solid background. We don't need to draw blurs after it's fully
+                // visible. This will take us out of GPU composition, saving battery and increasing
+                // performance.
+                blur = 0;
+            } else {
+                blur = (int) (mDepth * mMaxBlurRadius);
+            }
+            new TransactionCompat()
+                    .setBackgroundBlurRadius(mSurface, blur)
+                    .apply();
         }
-        new TransactionCompat()
-                .setBackgroundBlurRadius(mSurface, blur)
-                .apply();
     }
 }
diff --git a/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java b/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java
index a88ba3c..ebb44e2 100644
--- a/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java
+++ b/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java
@@ -98,6 +98,22 @@
     }
 
     /**
+     * Logs an event.
+     *
+     * @param event an enum implementing EventEnum interface.
+     * @param atomItemInfo item typically containing app or task launch related information.
+     */
+    @Override
+    public void log(EventEnum event, @Nullable LauncherAtom.ItemInfo atomItemInfo, int srcState,
+            int dstState) {
+        write(event, DEFAULT_INSTANCE_ID,
+                atomItemInfo == null ? LauncherAtom.ItemInfo.getDefaultInstance() : atomItemInfo,
+                null,
+                srcState,
+                dstState);
+    }
+
+    /**
      * Logs an event and accompanying {@link InstanceId} and {@link LauncherAtom.ItemInfo}.
      */
     @Override
@@ -171,7 +187,13 @@
                         )).build();
             }
         }
+        write(event, instanceId, atomInfo, info, srcState, dstState);
+    }
 
+    private static void write(EventEnum event, InstanceId instanceId,
+            LauncherAtom.ItemInfo atomInfo,
+            @Nullable ItemInfo info,
+            int srcState, int dstState) {
         if (IS_VERBOSE) {
             String name = (event instanceof Enum) ? ((Enum) event).name() :
                     event.getId() + "";
diff --git a/quickstep/tests/src/com/android/quickstep/FallbackRecentsTest.java b/quickstep/tests/src/com/android/quickstep/FallbackRecentsTest.java
index a726052..a343e7c 100644
--- a/quickstep/tests/src/com/android/quickstep/FallbackRecentsTest.java
+++ b/quickstep/tests/src/com/android/quickstep/FallbackRecentsTest.java
@@ -37,7 +37,6 @@
 import static org.junit.Assert.assertTrue;
 
 import android.app.Instrumentation;
-import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
@@ -58,10 +57,8 @@
 import com.android.launcher3.util.Wait;
 import com.android.launcher3.util.rule.FailureRewriterRule;
 import com.android.launcher3.util.rule.FailureWatcher;
-import com.android.quickstep.NavigationModeSwitchRule.NavigationModeSwitch;
 import com.android.quickstep.views.RecentsView;
 
-import org.junit.Ignore;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.RuleChain;
@@ -95,7 +92,8 @@
         mDevice = UiDevice.getInstance(instrumentation);
         mDevice.setOrientationNatural();
         mLauncher = new LauncherInstrumentation();
-        mLauncher.enableCheckEventsForSuccessfulGestures();
+        // b/143488140
+        //mLauncher.enableCheckEventsForSuccessfulGestures();
 
         if (TestHelpers.isInLauncherProcess()) {
             Utilities.enableRunningInTestHarnessForTests();
@@ -132,9 +130,9 @@
         }
     }
 
-    @NavigationModeSwitch
+    // b/143488140
+    //@NavigationModeSwitch
     @Test
-    @Ignore // b/143488140
     public void goToOverviewFromHome() {
         mDevice.pressHome();
         assertTrue("Fallback Launcher not visible", mDevice.wait(Until.hasObject(By.pkg(
@@ -143,9 +141,9 @@
         mLauncher.getBackground().switchToOverview();
     }
 
-    @NavigationModeSwitch
+    // b/143488140
+    //@NavigationModeSwitch
     @Test
-    @Ignore // b/143488140
     public void goToOverviewFromApp() {
         startAppFast(resolveSystemApp(Intent.CATEGORY_APP_CALCULATOR));
 
@@ -178,9 +176,9 @@
         return mLauncher.getBackground().switchToOverview();
     }
 
-    @NavigationModeSwitch
+    // b/143488140
+    //@NavigationModeSwitch
     @Test
-    @Ignore // b/143488140
     public void testOverview() {
         startAppFast(getAppPackageName());
         startAppFast(resolveSystemApp(Intent.CATEGORY_APP_CALCULATOR));
diff --git a/quickstep/tests/src/com/android/quickstep/StartLauncherViaGestureTests.java b/quickstep/tests/src/com/android/quickstep/StartLauncherViaGestureTests.java
index f20a0ba..0c5b9ad 100644
--- a/quickstep/tests/src/com/android/quickstep/StartLauncherViaGestureTests.java
+++ b/quickstep/tests/src/com/android/quickstep/StartLauncherViaGestureTests.java
@@ -45,6 +45,8 @@
     @Before
     public void setUp() throws Exception {
         super.setUp();
+        // b/143488140
+        mLauncher.pressHome();
         // Start an activity where the gestures start.
         startAppFast(resolveSystemApp(Intent.CATEGORY_APP_CALCULATOR));
     }
@@ -98,7 +100,6 @@
             // The test action.
             mLauncher.getBackground().switchToOverview();
         }
-        // Workaround for b/157099707
         mLauncher.pressHome();
     }
 }
\ No newline at end of file
diff --git a/src/com/android/launcher3/logging/StatsLogManager.java b/src/com/android/launcher3/logging/StatsLogManager.java
index e95c062..fee91b0 100644
--- a/src/com/android/launcher3/logging/StatsLogManager.java
+++ b/src/com/android/launcher3/logging/StatsLogManager.java
@@ -21,6 +21,7 @@
 
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.R;
+import com.android.launcher3.logger.LauncherAtom;
 import com.android.launcher3.logging.StatsLogUtils.LogStateProvider;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.util.ResourceBasedOverride;
@@ -217,6 +218,16 @@
     }
 
     /**
+     * Logs an event and accompanying {@link LauncherState}s.
+     *
+     * @param event an enum implementing EventEnum interface.
+     * @param launcherAtomItemInfo item typically containing app or task launch related information.
+     */
+    public void log(EventEnum event, @Nullable LauncherAtom.ItemInfo launcherAtomItemInfo,
+            int srcState, int dstState) {
+    }
+
+    /**
      * Logs an event.
      *
      * @param event an enum implementing EventEnum interface.