diff --git a/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java b/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
index 15db49c..00c58b0 100644
--- a/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
@@ -140,6 +140,7 @@
 
     // Initialized in init.
     private TaskbarControllers mControllers;
+    private boolean mIsImeRenderingNavButtons;
     private View mA11yButton;
     private int mSysuiStateFlags;
     private View mBackButton;
@@ -174,13 +175,17 @@
         mNavButtonTranslationYMultiplier.value = 1;
 
         boolean isThreeButtonNav = mContext.isThreeButtonNav();
-        // IME switcher
-        View imeSwitcherButton = addButton(R.drawable.ic_ime_switcher, BUTTON_IME_SWITCH,
-                isThreeButtonNav ? mStartContextualContainer : mEndContextualContainer,
-                mControllers.navButtonController, R.id.ime_switcher);
-        mPropertyHolders.add(new StatePropertyHolder(imeSwitcherButton,
-                flags -> ((flags & MASK_IME_SWITCHER_VISIBLE) == MASK_IME_SWITCHER_VISIBLE)
-                        && ((flags & FLAG_ROTATION_BUTTON_VISIBLE) == 0)));
+        mIsImeRenderingNavButtons =
+                InputMethodService.canImeRenderGesturalNavButtons() && mContext.isGestureNav();
+        if (!mIsImeRenderingNavButtons) {
+            // IME switcher
+            View imeSwitcherButton = addButton(R.drawable.ic_ime_switcher, BUTTON_IME_SWITCH,
+                    isThreeButtonNav ? mStartContextualContainer : mEndContextualContainer,
+                    mControllers.navButtonController, R.id.ime_switcher);
+            mPropertyHolders.add(new StatePropertyHolder(imeSwitcherButton,
+                    flags -> ((flags & MASK_IME_SWITCHER_VISIBLE) == MASK_IME_SWITCHER_VISIBLE)
+                            && ((flags & FLAG_ROTATION_BUTTON_VISIBLE) == 0)));
+        }
 
         mPropertyHolders.add(new StatePropertyHolder(
                 mControllers.taskbarViewController.getTaskbarIconAlpha()
@@ -319,12 +324,14 @@
             mControllers.rotationButtonController.setRotationButton(mFloatingRotationButton,
                     mRotationButtonListener);
 
-            View imeDownButton = addButton(R.drawable.ic_sysbar_back, BUTTON_BACK,
-                    mStartContextualContainer, mControllers.navButtonController, R.id.back);
-            imeDownButton.setRotation(Utilities.isRtl(mContext.getResources()) ? 90 : -90);
-            // Rotate when Ime visible
-            mPropertyHolders.add(new StatePropertyHolder(imeDownButton,
-                    flags -> (flags & FLAG_IME_VISIBLE) != 0));
+            if (!mIsImeRenderingNavButtons) {
+                View imeDownButton = addButton(R.drawable.ic_sysbar_back, BUTTON_BACK,
+                        mStartContextualContainer, mControllers.navButtonController, R.id.back);
+                imeDownButton.setRotation(Utilities.isRtl(mContext.getResources()) ? 90 : -90);
+                // Only show when IME is visible.
+                mPropertyHolders.add(new StatePropertyHolder(imeDownButton,
+                        flags -> (flags & FLAG_IME_VISIBLE) != 0));
+            }
         }
 
         applyState();
@@ -618,7 +625,7 @@
             return;
         }
 
-        if (InputMethodService.canImeRenderGesturalNavButtons() && mContext.isGestureNav()) {
+        if (mIsImeRenderingNavButtons) {
             // IME is rendering the nav buttons, so we don't need to create a new layer for them.
             return;
         }
diff --git a/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java b/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java
index 54ff6a0..4d79202 100644
--- a/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java
+++ b/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java
@@ -103,6 +103,9 @@
     private final RotationTouchHelper mRotationTouchHelper;
     private final TaskStackChangeListener mPipListener;
     private final List<ComponentName> mGestureBlockedActivities;
+    // Cache for better performance since it doesn't change at runtime.
+    private final boolean mCanImeRenderGesturalNavButtons =
+            InputMethodService.canImeRenderGesturalNavButtons();
 
     private final ArrayList<Runnable> mOnDestroyActions = new ArrayList<>();
 
@@ -596,7 +599,7 @@
 
     /** Returns whether IME is rendering nav buttons, and IME is currently showing. */
     public boolean isImeRenderingNavButtons() {
-        return InputMethodService.canImeRenderGesturalNavButtons() && mMode == NO_BUTTON
+        return mCanImeRenderGesturalNavButtons && mMode == NO_BUTTON
                 && ((mSystemUiStateFlags & SYSUI_STATE_IME_SHOWING) != 0);
     }
 
diff --git a/src/com/android/launcher3/BubbleTextView.java b/src/com/android/launcher3/BubbleTextView.java
index 5d41741..041bee9 100644
--- a/src/com/android/launcher3/BubbleTextView.java
+++ b/src/com/android/launcher3/BubbleTextView.java
@@ -37,6 +37,7 @@
 import android.graphics.drawable.Drawable;
 import android.icu.text.MessageFormat;
 import android.text.TextPaint;
+import android.text.TextUtils;
 import android.text.TextUtils.TruncateAt;
 import android.util.AttributeSet;
 import android.util.Property;
@@ -805,7 +806,7 @@
                     invalidate();
                 }
             }
-            if (itemInfo.contentDescription != null) {
+            if (!TextUtils.isEmpty(itemInfo.contentDescription)) {
                 if (itemInfo.isDisabled()) {
                     setContentDescription(getContext().getString(R.string.disabled_app_label,
                             itemInfo.contentDescription));
diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index 225460d..cbc21eb 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -458,9 +458,10 @@
      * Trims the string, removing all whitespace at the beginning and end of the string.
      * Non-breaking whitespaces are also removed.
      */
+    @NonNull
     public static String trim(CharSequence s) {
         if (s == null) {
-            return null;
+            return "";
         }
 
         // Just strip any sequence of whitespace or java space characters from the beginning and end
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index cd168a2..d8f65c5 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -99,7 +99,7 @@
             "ENABLE_TWOLINE_ALLAPPS", false, "Enables two line label inside all apps.");
 
     public static final BooleanFlag ENABLE_DEVICE_SEARCH_PERFORMANCE_LOGGING = new DeviceFlag(
-            "ENABLE_DEVICE_SEARCH_PERFORMANCE_LOGGING", true,
+            "ENABLE_DEVICE_SEARCH_PERFORMANCE_LOGGING", false,
             "Allows on device search in all apps logging");
 
     public static final BooleanFlag IME_STICKY_SNACKBAR_EDU = getDebugFlag(
@@ -135,12 +135,12 @@
 
     public static final BooleanFlag ENABLE_BULK_WORKSPACE_ICON_LOADING = getDebugFlag(
             "ENABLE_BULK_WORKSPACE_ICON_LOADING",
-            true,
+            false,
             "Enable loading workspace icons in bulk.");
 
     public static final BooleanFlag ENABLE_BULK_ALL_APPS_ICON_LOADING = getDebugFlag(
             "ENABLE_BULK_ALL_APPS_ICON_LOADING",
-            true,
+            false,
             "Enable loading all apps icons in bulk.");
 
     // Keep as DeviceFlag for remote disable in emergency.
diff --git a/src/com/android/launcher3/model/LoaderCursor.java b/src/com/android/launcher3/model/LoaderCursor.java
index 739a64a..ae5b66a 100644
--- a/src/com/android/launcher3/model/LoaderCursor.java
+++ b/src/com/android/launcher3/model/LoaderCursor.java
@@ -202,8 +202,7 @@
      * Returns the title or empty string
      */
     private String getTitle() {
-        String title = getString(titleIndex);
-        return TextUtils.isEmpty(title) ? "" : Utilities.trim(title);
+        return Utilities.trim(getString(titleIndex));
     }
 
     /**
diff --git a/tests/src/com/android/launcher3/ui/widget/AddConfigWidgetTest.java b/tests/src/com/android/launcher3/ui/widget/AddConfigWidgetTest.java
index 4740097..2c9785c 100644
--- a/tests/src/com/android/launcher3/ui/widget/AddConfigWidgetTest.java
+++ b/tests/src/com/android/launcher3/ui/widget/AddConfigWidgetTest.java
@@ -33,7 +33,6 @@
 import com.android.launcher3.testcomponent.WidgetConfigActivity;
 import com.android.launcher3.ui.AbstractLauncherUiTest;
 import com.android.launcher3.ui.TestViewHelpers;
-import com.android.launcher3.util.rule.ScreenRecordRule.ScreenRecord;
 import com.android.launcher3.util.rule.ShellCommandRule;
 import com.android.launcher3.widget.LauncherAppWidgetProviderInfo;
 
@@ -73,7 +72,6 @@
 
     @Test
     @PortraitLandscape
-    @ScreenRecord // b/215672979
     public void testConfigCancelled() throws Throwable {
         runTest(false);
     }