diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 25eb160..fed123f 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -3053,6 +3053,7 @@
     @Override
     public void bindStringCache(StringCache cache) {
         mStringCache = cache;
+        mAppsView.updateWorkUI();
     }
 
     @Override
diff --git a/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java b/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java
index a7a25f4..758bffb 100644
--- a/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java
+++ b/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java
@@ -7,6 +7,7 @@
 import static com.android.launcher3.LauncherState.NORMAL;
 import static com.android.launcher3.anim.AnimatorListeners.forSuccessCallback;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.IGNORE;
+import static com.android.launcher3.model.data.ItemInfoWithIcon.FLAG_NOT_PINNABLE;
 
 import android.appwidget.AppWidgetProviderInfo;
 import android.graphics.Point;
@@ -124,12 +125,19 @@
             }
         }
 
-        if ((item instanceof WorkspaceItemFactory) || (item instanceof WorkspaceItemInfo)
-                || (item instanceof PendingAddItemInfo)) {
+        if (supportAddToWorkSpace(item)) {
             out.add(mActions.get(ADD_TO_WORKSPACE));
         }
     }
 
+    private boolean supportAddToWorkSpace(ItemInfo item) {
+        return (item instanceof WorkspaceItemFactory)
+                || ((item instanceof WorkspaceItemInfo)
+                    && (((WorkspaceItemInfo) item).runtimeStatusFlags & FLAG_NOT_PINNABLE) == 0)
+                || ((item instanceof PendingAddItemInfo)
+                    && (((PendingAddItemInfo) item).runtimeStatusFlags & FLAG_NOT_PINNABLE) == 0);
+    }
+
     /**
      * Returns all the accessibility actions that can be handled by the host.
      */
diff --git a/src/com/android/launcher3/allapps/ActivityAllAppsContainerView.java b/src/com/android/launcher3/allapps/ActivityAllAppsContainerView.java
index d4140d8..421dfd3 100644
--- a/src/com/android/launcher3/allapps/ActivityAllAppsContainerView.java
+++ b/src/com/android/launcher3/allapps/ActivityAllAppsContainerView.java
@@ -16,6 +16,8 @@
 package com.android.launcher3.allapps;
 
 import static com.android.launcher3.allapps.ActivityAllAppsContainerView.AdapterHolder.SEARCH;
+import static com.android.launcher3.allapps.BaseAllAppsAdapter.VIEW_TYPE_WORK_DISABLED_CARD;
+import static com.android.launcher3.allapps.BaseAllAppsAdapter.VIEW_TYPE_WORK_EDU_CARD;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ALLAPPS_COUNT;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ALLAPPS_TAP_ON_PERSONAL_TAB;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ALLAPPS_TAP_ON_WORK_TAB;
@@ -77,6 +79,7 @@
 import com.android.launcher3.model.StringCache;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.testing.shared.TestProtocol;
+import com.android.launcher3.util.Executors;
 import com.android.launcher3.util.ItemInfoMatcher;
 import com.android.launcher3.util.Themes;
 import com.android.launcher3.views.ActivityContext;
@@ -1110,6 +1113,30 @@
         return view.getGlobalVisibleRect(new Rect());
     }
 
+    /** Called in Launcher#bindStringCache() to update the UI when cache is updated. */
+    public void updateWorkUI() {
+        setDeviceManagementResources();
+        if (mWorkManager.getWorkModeSwitch() != null) {
+            mWorkManager.getWorkModeSwitch().updateStringFromCache();
+        }
+        inflateWorkCardsIfNeeded();
+    }
+
+    private void inflateWorkCardsIfNeeded() {
+        AllAppsRecyclerView workRV = mAH.get(AdapterHolder.WORK).mRecyclerView;
+        if (workRV != null) {
+            for (int i = 0; i < workRV.getChildCount(); i++) {
+                View currentView  = workRV.getChildAt(i);
+                int currentItemViewType = workRV.getChildViewHolder(currentView).getItemViewType();
+                if (currentItemViewType == VIEW_TYPE_WORK_EDU_CARD) {
+                    ((WorkEduCard) currentView).updateStringFromCache();
+                } else if (currentItemViewType == VIEW_TYPE_WORK_DISABLED_CARD) {
+                    ((WorkPausedCard) currentView).updateStringFromCache();
+                }
+            }
+        }
+    }
+
     @VisibleForTesting
     public boolean isPersonalTabVisible() {
         return isDescendantViewVisible(R.id.tab_personal);
diff --git a/src/com/android/launcher3/allapps/WorkEduCard.java b/src/com/android/launcher3/allapps/WorkEduCard.java
index b4cdc96..1059097 100644
--- a/src/com/android/launcher3/allapps/WorkEduCard.java
+++ b/src/com/android/launcher3/allapps/WorkEduCard.java
@@ -76,11 +76,7 @@
         super.onFinishInflate();
         findViewById(R.id.action_btn).setOnClickListener(this);
 
-        StringCache cache = mActivityContext.getStringCache();
-        if (cache != null) {
-            TextView title = findViewById(R.id.work_apps_paused_title);
-            title.setText(cache.workProfileEdu);
-        }
+        updateStringFromCache();
     }
 
     @Override
@@ -121,4 +117,12 @@
     public void setPosition(int position) {
         mPosition = position;
     }
+
+    public void updateStringFromCache() {
+        StringCache cache = mActivityContext.getStringCache();
+        if (cache != null) {
+            TextView title = findViewById(R.id.work_apps_paused_title);
+            title.setText(cache.workProfileEdu);
+        }
+    }
 }
diff --git a/src/com/android/launcher3/allapps/WorkModeSwitch.java b/src/com/android/launcher3/allapps/WorkModeSwitch.java
index 8c2fb19..f84876b 100644
--- a/src/com/android/launcher3/allapps/WorkModeSwitch.java
+++ b/src/com/android/launcher3/allapps/WorkModeSwitch.java
@@ -92,10 +92,7 @@
         }
 
         setInsets(mActivityContext.getDeviceProfile().getInsets());
-        StringCache cache = mActivityContext.getStringCache();
-        if (cache != null) {
-            mTextView.setText(cache.workProfilePauseButton);
-        }
+        updateStringFromCache();
 
         getLayoutTransition().enableTransitionType(LayoutTransition.CHANGING);
     }
@@ -213,4 +210,11 @@
     public int getScrollThreshold() {
         return mScrollThreshold;
     }
+
+    public void updateStringFromCache(){
+        StringCache cache = mActivityContext.getStringCache();
+        if (cache != null) {
+            mTextView.setText(cache.workProfilePauseButton);
+        }
+    }
 }
diff --git a/src/com/android/launcher3/allapps/WorkPausedCard.java b/src/com/android/launcher3/allapps/WorkPausedCard.java
index 26a7803..1882667 100644
--- a/src/com/android/launcher3/allapps/WorkPausedCard.java
+++ b/src/com/android/launcher3/allapps/WorkPausedCard.java
@@ -57,6 +57,10 @@
         mBtn = findViewById(R.id.enable_work_apps);
         mBtn.setOnClickListener(this);
 
+        updateStringFromCache();
+    }
+
+    public void updateStringFromCache() {
         StringCache cache = mActivityContext.getStringCache();
         if (cache != null) {
             setWorkProfilePausedResources(cache);
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index f5f6769..0f60f7f 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -277,7 +277,7 @@
                     + " is enabled or in prefix state");
 
     public static final BooleanFlag ENABLE_SEARCH_UNINSTALLED_APPS = getReleaseFlag(270395269,
-            "ENABLE_SEARCH_UNINSTALLED_APPS", DISABLED, "Search uninstalled app results.");
+            "ENABLE_SEARCH_UNINSTALLED_APPS", ENABLED, "Search uninstalled app results.");
 
     // TODO(Block 20): Clean up flags
     public static final BooleanFlag ENABLE_SCRIM_FOR_APP_LAUNCH = getDebugFlag(270393276,
diff --git a/src/com/android/launcher3/model/BaseLauncherBinder.java b/src/com/android/launcher3/model/BaseLauncherBinder.java
index 5d85b1c..5997637 100644
--- a/src/com/android/launcher3/model/BaseLauncherBinder.java
+++ b/src/com/android/launcher3/model/BaseLauncherBinder.java
@@ -312,7 +312,8 @@
                                 currentScreenIds, pendingTasks, workspaceItemCount, isBindSync);
                     }, mUiExecutor);
 
-            mCallbacks.bindStringCache(mBgDataModel.stringCache.clone());
+            StringCache cacheClone = mBgDataModel.stringCache.clone();
+            executeCallbacksTask(c -> c.bindStringCache(cacheClone), pendingExecutor);
         }
 
         private void bindWorkspaceItems(
@@ -440,9 +441,8 @@
                         .resumeModelPush(FLAG_LOADER_RUNNING);
             });
 
-            for (Callbacks cb : mCallbacksList) {
-                cb.bindStringCache(mBgDataModel.stringCache.clone());
-            }
+            StringCache cacheClone = mBgDataModel.stringCache.clone();
+            executeCallbacksTask(c -> c.bindStringCache(cacheClone), mUiExecutor);
         }
 
         private void bindWorkspaceItems(final ArrayList<ItemInfo> workspaceItems) {
diff --git a/src/com/android/launcher3/model/data/ItemInfoWithIcon.java b/src/com/android/launcher3/model/data/ItemInfoWithIcon.java
index e5fb015..b4a935a 100644
--- a/src/com/android/launcher3/model/data/ItemInfoWithIcon.java
+++ b/src/com/android/launcher3/model/data/ItemInfoWithIcon.java
@@ -119,6 +119,11 @@
             | FLAG_DISABLED_VERSION_LOWER;
 
     /**
+     * Flag indicating this item can't be pinned to home screen.
+     */
+    public static final int FLAG_NOT_PINNABLE = 1 << 13;
+
+    /**
      * Status associated with the system state of the underlying item. This is calculated every
      * time a new info is created and not persisted on the disk.
      */
diff --git a/src/com/android/launcher3/util/OnboardingPrefs.java b/src/com/android/launcher3/util/OnboardingPrefs.java
index 6573691..348c8d8 100644
--- a/src/com/android/launcher3/util/OnboardingPrefs.java
+++ b/src/com/android/launcher3/util/OnboardingPrefs.java
@@ -40,17 +40,14 @@
     public static final String HOTSEAT_LONGPRESS_TIP_SEEN = "launcher.hotseat_longpress_tip_seen";
     public static final String SEARCH_KEYBOARD_EDU_SEEN = "launcher.search_edu_seen";
     public static final String SEARCH_SNACKBAR_COUNT = "launcher.keyboard_snackbar_count";
-    public static final String SEARCH_ONBOARDING_COUNT = "launcher.search_onboarding_count";
     public static final String ALL_APPS_VISITED_COUNT = "launcher.all_apps_visited_count";
-    public static final String QSB_SEARCH_ONBOARDING_CARD_DISMISSED = "launcher.qsb_edu_dismiss";
     public static final String TASKBAR_EDU_TOOLTIP_STEP = "launcher.taskbar_edu_tooltip_step";
     // When adding a new key, add it here as well, to be able to reset it from Developer Options.
     public static final Map<String, String[]> ALL_PREF_KEYS = Map.of(
             "All Apps Bounce", new String[] { HOME_BOUNCE_SEEN, HOME_BOUNCE_COUNT },
             "Hybrid Hotseat Education", new String[] { HOTSEAT_DISCOVERY_TIP_COUNT,
                     HOTSEAT_LONGPRESS_TIP_SEEN },
-            "Search Education", new String[] { SEARCH_KEYBOARD_EDU_SEEN, SEARCH_SNACKBAR_COUNT,
-                    SEARCH_ONBOARDING_COUNT, QSB_SEARCH_ONBOARDING_CARD_DISMISSED},
+            "Search Education", new String[] { SEARCH_KEYBOARD_EDU_SEEN, SEARCH_SNACKBAR_COUNT},
             "Taskbar Education", new String[] { TASKBAR_EDU_TOOLTIP_STEP },
             "All Apps Visited Count", new String[] {ALL_APPS_VISITED_COUNT}
     );
@@ -62,7 +59,6 @@
             HOME_BOUNCE_SEEN,
             HOTSEAT_LONGPRESS_TIP_SEEN,
             SEARCH_KEYBOARD_EDU_SEEN,
-            QSB_SEARCH_ONBOARDING_CARD_DISMISSED
     })
     @Retention(RetentionPolicy.SOURCE)
     public @interface EventBoolKey {}
@@ -74,7 +70,6 @@
             HOME_BOUNCE_COUNT,
             HOTSEAT_DISCOVERY_TIP_COUNT,
             SEARCH_SNACKBAR_COUNT,
-            SEARCH_ONBOARDING_COUNT,
             ALL_APPS_VISITED_COUNT,
             TASKBAR_EDU_TOOLTIP_STEP,
     })
@@ -88,8 +83,6 @@
         maxCounts.put(HOME_BOUNCE_COUNT, 3);
         maxCounts.put(HOTSEAT_DISCOVERY_TIP_COUNT, 5);
         maxCounts.put(SEARCH_SNACKBAR_COUNT, 3);
-        // This is the sum of all onboarding cards. Currently there is only 1 card shown 3 times.
-        maxCounts.put(SEARCH_ONBOARDING_COUNT, 3);
         maxCounts.put(ALL_APPS_VISITED_COUNT, 20);
         maxCounts.put(TASKBAR_EDU_TOOLTIP_STEP, 2);
         MAX_COUNTS = Collections.unmodifiableMap(maxCounts);