diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 983cf8d..6446f7b 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -2629,8 +2629,9 @@
      * See {@code LauncherBindingDelegate}
      */
     @Override
-    public void bindAllWidgets(final List<WidgetsListBaseEntry> allWidgets) {
-        mModelCallbacks.bindAllWidgets(allWidgets);
+    public void bindAllWidgets(@NonNull final List<WidgetsListBaseEntry> allWidgets,
+            @NonNull final List<WidgetsListBaseEntry> defaultWidgets) {
+        mModelCallbacks.bindAllWidgets(allWidgets, defaultWidgets);
     }
 
     @Override
diff --git a/src/com/android/launcher3/LauncherAppState.java b/src/com/android/launcher3/LauncherAppState.java
index b6da164..01d0a74 100644
--- a/src/com/android/launcher3/LauncherAppState.java
+++ b/src/com/android/launcher3/LauncherAppState.java
@@ -48,6 +48,7 @@
 import com.android.launcher3.icons.LauncherIconProvider;
 import com.android.launcher3.icons.LauncherIcons;
 import com.android.launcher3.model.ModelLauncherCallbacks;
+import com.android.launcher3.model.WidgetsFilterDataProvider;
 import com.android.launcher3.notification.NotificationListener;
 import com.android.launcher3.pm.InstallSessionHelper;
 import com.android.launcher3.pm.InstallSessionTracker;
@@ -197,7 +198,8 @@
         mIconProvider = new LauncherIconProvider(context);
         mIconCache = new IconCache(mContext, mInvariantDeviceProfile,
                 iconCacheFileName, mIconProvider);
-        mModel = new LauncherModel(context, this, mIconCache, new AppFilter(mContext),
+        mModel = new LauncherModel(context, this, mIconCache,
+                WidgetsFilterDataProvider.Companion.newInstance(context), new AppFilter(mContext),
                 PackageManagerHelper.INSTANCE.get(context), iconCacheFileName != null);
         mOnTerminateCallback.add(mIconCache::close);
         mOnTerminateCallback.add(mModel::destroy);
diff --git a/src/com/android/launcher3/LauncherModel.kt b/src/com/android/launcher3/LauncherModel.kt
index 85ecd58..b56df46 100644
--- a/src/com/android/launcher3/LauncherModel.kt
+++ b/src/com/android/launcher3/LauncherModel.kt
@@ -42,6 +42,7 @@
 import com.android.launcher3.model.ReloadStringCacheTask
 import com.android.launcher3.model.ShortcutsChangedTask
 import com.android.launcher3.model.UserLockStateChangedTask
+import com.android.launcher3.model.WidgetsFilterDataProvider
 import com.android.launcher3.model.data.ItemInfo
 import com.android.launcher3.model.data.WorkspaceItemInfo
 import com.android.launcher3.pm.UserCache
@@ -66,6 +67,7 @@
     private val context: Context,
     private val mApp: LauncherAppState,
     private val iconCache: IconCache,
+    private val widgetsFilterDataProvider: WidgetsFilterDataProvider,
     appFilter: AppFilter,
     mPmHelper: PackageManagerHelper,
     isPrimaryInstance: Boolean,
@@ -140,6 +142,11 @@
         owner: BgDataModel.Callbacks?,
     ) = ModelWriter(mApp.context, this, mBgDataModel, verifyChanges, cellPosMapper, owner)
 
+    /** Returns the [WidgetsFilterDataProvider] that manages widget filters. */
+    fun getWidgetsFilterDataProvider(): WidgetsFilterDataProvider {
+        return widgetsFilterDataProvider
+    }
+
     /** Called when the icon for an app changes, outside of package event */
     @WorkerThread
     fun onAppIconChanged(packageName: String, user: UserHandle) {
@@ -160,7 +167,10 @@
     /** Called when the model is destroyed */
     fun destroy() {
         mModelDestroyed = true
-        MODEL_EXECUTOR.execute(modelDelegate::destroy)
+        MODEL_EXECUTOR.execute {
+            modelDelegate.destroy()
+            widgetsFilterDataProvider.destroy()
+        }
     }
 
     fun onBroadcastIntent(intent: Intent) {
@@ -312,6 +322,7 @@
                             mBgDataModel,
                             this.modelDelegate,
                             launcherBinder,
+                            widgetsFilterDataProvider,
                         )
 
                     // Always post the loader task, instead of running directly
@@ -417,6 +428,14 @@
         }
     }
 
+    /** Called when the widget filters are refreshed and available to bind to the model. */
+    fun onWidgetFiltersLoaded() {
+        enqueueModelUpdateTask { taskController, dataModel, _ ->
+            dataModel.widgetsModel.updateWidgetFilters(widgetsFilterDataProvider)
+            taskController.bindUpdatedWidgets(dataModel)
+        }
+    }
+
     fun enqueueModelUpdateTask(task: ModelUpdateTask) {
         if (mModelDestroyed) {
             return
diff --git a/src/com/android/launcher3/ModelCallbacks.kt b/src/com/android/launcher3/ModelCallbacks.kt
index 496d517..5d32525 100644
--- a/src/com/android/launcher3/ModelCallbacks.kt
+++ b/src/com/android/launcher3/ModelCallbacks.kt
@@ -252,8 +252,11 @@
         PopupContainerWithArrow.dismissInvalidPopup(launcher)
     }
 
-    override fun bindAllWidgets(allWidgets: List<WidgetsListBaseEntry>) {
-        launcher.widgetPickerDataProvider.setWidgets(allWidgets, /* defaultWidgets= */ listOf())
+    override fun bindAllWidgets(
+        allWidgets: List<WidgetsListBaseEntry>,
+        defaultWidgets: List<WidgetsListBaseEntry>,
+    ) {
+        launcher.widgetPickerDataProvider.setWidgets(allWidgets, defaultWidgets)
     }
 
     /** Returns the ids of the workspaces to bind. */
diff --git a/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java b/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java
index 1dd7d45..94c36c0 100644
--- a/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java
+++ b/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java
@@ -305,7 +305,9 @@
                     bgModel,
                     LauncherAppState.getInstance(previewContext).getModel().getModelDelegate(),
                     new BaseLauncherBinder(LauncherAppState.getInstance(previewContext), bgModel,
-                            /* bgAllAppsList= */ null, new Callbacks[0])) {
+                            /* bgAllAppsList= */ null, new Callbacks[0]),
+                    LauncherAppState.getInstance(
+                            previewContext).getModel().getWidgetsFilterDataProvider()) {
 
                 @Override
                 public void run() {
diff --git a/src/com/android/launcher3/model/BaseLauncherBinder.java b/src/com/android/launcher3/model/BaseLauncherBinder.java
index b51f855..c251114 100644
--- a/src/com/android/launcher3/model/BaseLauncherBinder.java
+++ b/src/com/android/launcher3/model/BaseLauncherBinder.java
@@ -24,6 +24,8 @@
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
 
+import static java.util.Collections.emptyList;
+
 import android.os.Process;
 import android.os.Trace;
 import android.util.Log;
@@ -43,6 +45,7 @@
 import com.android.launcher3.model.data.AppInfo;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.LauncherAppWidgetInfo;
+import com.android.launcher3.model.data.PackageItemInfo;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.IntArray;
 import com.android.launcher3.util.IntSet;
@@ -62,6 +65,7 @@
 import java.util.Map;
 import java.util.Objects;
 import java.util.concurrent.Executor;
+import java.util.function.Predicate;
 import java.util.stream.Collectors;
 
 /**
@@ -162,9 +166,17 @@
         if (!WIDGETS_ENABLED) {
             return;
         }
+        Map<PackageItemInfo, List<WidgetItem>>
+                widgetsByPackageItem = mBgDataModel.widgetsModel.getWidgetsByPackageItem();
         List<WidgetsListBaseEntry> widgets = new WidgetsListBaseEntriesBuilder(mApp.getContext())
-                .build(mBgDataModel.widgetsModel.getWidgetsByPackageItem());
-        executeCallbacksTask(c -> c.bindAllWidgets(widgets), mUiExecutor);
+                .build(widgetsByPackageItem);
+        Predicate<WidgetItem> filter = mBgDataModel.widgetsModel.getDefaultWidgetsFilter();
+        List<WidgetsListBaseEntry> defaultWidgets =
+                filter != null ? new WidgetsListBaseEntriesBuilder(
+                        mApp.getContext()).build(widgetsByPackageItem,
+                        mBgDataModel.widgetsModel.getDefaultWidgetsFilter()) : emptyList();
+
+        executeCallbacksTask(c -> c.bindAllWidgets(widgets, defaultWidgets), mUiExecutor);
     }
 
     /**
diff --git a/src/com/android/launcher3/model/BgDataModel.java b/src/com/android/launcher3/model/BgDataModel.java
index 9a9fa5b..b9b1e98 100644
--- a/src/com/android/launcher3/model/BgDataModel.java
+++ b/src/com/android/launcher3/model/BgDataModel.java
@@ -537,7 +537,13 @@
         default void bindWidgetsRestored(ArrayList<LauncherAppWidgetInfo> widgets) { }
         default void bindRestoreItemsChange(HashSet<ItemInfo> updates) { }
         default void bindWorkspaceComponentsRemoved(Predicate<ItemInfo> matcher) { }
-        default void bindAllWidgets(List<WidgetsListBaseEntry> widgets) { }
+
+        /**
+         * Binds the app widgets to the providers that share widgets with the UI.
+         */
+        default void bindAllWidgets(@NonNull List<WidgetsListBaseEntry> widgets,
+                @NonNull List<WidgetsListBaseEntry> defaultWidgets) {
+        }
         default void bindSmartspaceWidget() { }
 
         /** Called when workspace has been bound. */
diff --git a/src/com/android/launcher3/model/LoaderTask.java b/src/com/android/launcher3/model/LoaderTask.java
index 06d8b59..a830c96 100644
--- a/src/com/android/launcher3/model/LoaderTask.java
+++ b/src/com/android/launcher3/model/LoaderTask.java
@@ -20,6 +20,7 @@
 import static com.android.launcher3.Flags.enableLauncherBrMetricsFixed;
 import static com.android.launcher3.Flags.enableSmartspaceAsAWidget;
 import static com.android.launcher3.Flags.enableSmartspaceRemovalToggle;
+import static com.android.launcher3.Flags.enableTieredWidgetsByDefaultInPicker;
 import static com.android.launcher3.LauncherPrefs.IS_FIRST_LOAD_AFTER_RESTORE;
 import static com.android.launcher3.LauncherPrefs.SHOULD_SHOW_SMARTSPACE;
 import static com.android.launcher3.LauncherSettings.Favorites.TABLE_NAME;
@@ -142,6 +143,7 @@
     private final UserManager mUserManager;
     private final UserCache mUserCache;
     private final PackageManagerHelper mPmHelper;
+    private final WidgetsFilterDataProvider mWidgetsFilterDataProvider;
 
     private final InstallSessionHelper mSessionHelper;
     private final IconCache mIconCache;
@@ -158,13 +160,16 @@
     private String mDbName;
 
     public LoaderTask(@NonNull LauncherAppState app, AllAppsList bgAllAppsList, BgDataModel bgModel,
-            ModelDelegate modelDelegate, @NonNull BaseLauncherBinder launcherBinder) {
-        this(app, bgAllAppsList, bgModel, modelDelegate, launcherBinder, new UserManagerState());
+            ModelDelegate modelDelegate, @NonNull BaseLauncherBinder launcherBinder,
+            @NonNull WidgetsFilterDataProvider widgetsFilterDataProvider) {
+        this(app, bgAllAppsList, bgModel, modelDelegate, launcherBinder, widgetsFilterDataProvider,
+                new UserManagerState());
     }
 
     @VisibleForTesting
     LoaderTask(@NonNull LauncherAppState app, AllAppsList bgAllAppsList, BgDataModel bgModel,
             ModelDelegate modelDelegate, @NonNull BaseLauncherBinder launcherBinder,
+            WidgetsFilterDataProvider widgetsFilterDataProvider,
             UserManagerState userManagerState) {
         mApp = app;
         mBgAllAppsList = bgAllAppsList;
@@ -179,6 +184,7 @@
         mIconCache = mApp.getIconCache();
         mUserManagerState = userManagerState;
         mInstallingPkgsCached = null;
+        mWidgetsFilterDataProvider = widgetsFilterDataProvider;
     }
 
     protected synchronized void waitForIdle() {
@@ -330,7 +336,15 @@
             verifyNotStopped();
 
             // fourth step
-            List<CachedObject> allWidgetsList = mBgDataModel.widgetsModel.update(mApp, null);
+            WidgetsModel widgetsModel = mBgDataModel.widgetsModel;
+            if (enableTieredWidgetsByDefaultInPicker()) {
+                // Begin periodic refresh of filters
+                mWidgetsFilterDataProvider.initPeriodicDataRefresh(
+                        mApp.getModel()::onWidgetFiltersLoaded);
+                // And, update model with currently cached data.
+                widgetsModel.updateWidgetFilters(mWidgetsFilterDataProvider);
+            }
+            List<CachedObject> allWidgetsList = widgetsModel.update(mApp, /*packageUser=*/null);
             logASplit("load widgets");
 
             verifyNotStopped();
diff --git a/src/com/android/launcher3/model/ModelTaskController.kt b/src/com/android/launcher3/model/ModelTaskController.kt
index cf2cadc..fc53343 100644
--- a/src/com/android/launcher3/model/ModelTaskController.kt
+++ b/src/com/android/launcher3/model/ModelTaskController.kt
@@ -35,7 +35,7 @@
     val dataModel: BgDataModel,
     val allAppsList: AllAppsList,
     private val model: LauncherModel,
-    private val uiExecutor: Executor
+    private val uiExecutor: Executor,
 ) {
 
     /** Schedules a {@param task} to be executed on the current callbacks. */
@@ -79,10 +79,19 @@
     }
 
     fun bindUpdatedWidgets(dataModel: BgDataModel) {
-        val widgets =
-            WidgetsListBaseEntriesBuilder(app.context)
-                .build(dataModel.widgetsModel.widgetsByPackageItem)
-        scheduleCallbackTask { it.bindAllWidgets(widgets) }
+        val widgetsByPackageItem = dataModel.widgetsModel.widgetsByPackageItem
+        val allWidgets = WidgetsListBaseEntriesBuilder(app.context).build(widgetsByPackageItem)
+
+        val defaultWidgetsFilter = dataModel.widgetsModel.defaultWidgetsFilter
+        val defaultWidgets =
+            if (defaultWidgetsFilter != null) {
+                WidgetsListBaseEntriesBuilder(app.context)
+                    .build(widgetsByPackageItem, defaultWidgetsFilter)
+            } else {
+                emptyList()
+            }
+
+        scheduleCallbackTask { it.bindAllWidgets(allWidgets, defaultWidgets) }
     }
 
     fun deleteAndBindComponentsRemoved(matcher: Predicate<ItemInfo?>, reason: String?) {
@@ -99,7 +108,7 @@
             val packageUserKeyToUidMap =
                 apps.associateBy(
                     keySelector = { PackageUserKey(it.componentName!!.packageName, it.user) },
-                    valueTransform = { it.uid }
+                    valueTransform = { it.uid },
                 )
             scheduleCallbackTask { it.bindAllApplications(apps, flags, packageUserKeyToUidMap) }
         }
diff --git a/src/com/android/launcher3/model/WidgetsFilterDataProvider.kt b/src/com/android/launcher3/model/WidgetsFilterDataProvider.kt
new file mode 100644
index 0000000..0571de3
--- /dev/null
+++ b/src/com/android/launcher3/model/WidgetsFilterDataProvider.kt
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2024 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.
+ */
+
+package com.android.launcher3.model
+
+import android.content.Context
+import androidx.annotation.WorkerThread
+import com.android.launcher3.R
+import com.android.launcher3.util.ResourceBasedOverride
+import java.util.function.Predicate
+
+/** Helper for the widgets model to load the filters that can be applied to available widgets. */
+open class WidgetsFilterDataProvider(val context: Context) : ResourceBasedOverride {
+    /**
+     * Start regular periodic refresh of widget filtering data starting now (if not started
+     * already).
+     */
+    @WorkerThread
+    open fun initPeriodicDataRefresh(callback: WidgetsFilterLoadedCallback? = null) {
+        // no-op
+    }
+
+    /**
+     * Returns a filter that should be applied to the widget predictions.
+     *
+     * @return null if no filter needs to be applied
+     */
+    @WorkerThread open fun getPredictedWidgetsFilter(): Predicate<WidgetItem>? = null
+
+    /**
+     * Returns a filter that should be applied to the widgets list to see which widgets can be shown
+     * by default.
+     *
+     * @return null if no separate "default" list is supported
+     */
+    @WorkerThread open fun getDefaultWidgetsFilter(): Predicate<WidgetItem>? = null
+
+    /** Called when filter data provider is no longer needed. */
+    open fun destroy() {}
+
+    companion object {
+        /** Returns a new instance of the [WidgetsFilterDataProvider] based on resource override. */
+        fun newInstance(context: Context?): WidgetsFilterDataProvider {
+            return ResourceBasedOverride.Overrides.getObject(
+                WidgetsFilterDataProvider::class.java,
+                context,
+                R.string.widgets_filter_data_provider_class,
+            )
+        }
+    }
+}
+
+/** Interface for the model callback to be invoked when filters are loaded. */
+interface WidgetsFilterLoadedCallback {
+    /** Method called back when widget filters are loaded */
+    fun onWidgetsFilterLoaded()
+}
diff --git a/src/com/android/launcher3/model/WidgetsModel.java b/src/com/android/launcher3/model/WidgetsModel.java
index b450f46..01d4996 100644
--- a/src/com/android/launcher3/model/WidgetsModel.java
+++ b/src/com/android/launcher3/model/WidgetsModel.java
@@ -18,6 +18,8 @@
 import android.util.Log;
 import android.util.Pair;
 
+import androidx.annotation.AnyThread;
+import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.collection.ArrayMap;
 
@@ -65,6 +67,8 @@
 
     /* Map of widgets and shortcuts that are tracked per package. */
     private final Map<PackageItemInfo, List<WidgetItem>> mWidgetsByPackageItem = new HashMap<>();
+    @Nullable private Predicate<WidgetItem> mDefaultWidgetsFilter = null;
+    @Nullable private Predicate<WidgetItem> mPredictedWidgetsFilter = null;
 
     /**
      * Returns all widgets keyed by their component key.
@@ -92,6 +96,37 @@
     }
 
     /**
+     * Returns widget filter that can be applied to {@link WidgetItem}s to check if they can be
+     * shown in the default widgets list.
+     * <p>Returns null if filtering isn't available</p>
+     */
+    @AnyThread
+    public @Nullable Predicate<WidgetItem> getDefaultWidgetsFilter() {
+        return mDefaultWidgetsFilter;
+    }
+
+    /**
+     * Returns widget filter that can be applied to {@link WidgetItem}s to check if they can be
+     * part of widget predictions.
+     * <p>Returns null if filter isn't available</p>
+     */
+    @AnyThread
+    public @Nullable  Predicate<WidgetItem> getPredictedWidgetsFilter() {
+        return mPredictedWidgetsFilter;
+    }
+
+    /**
+     * Updates model with latest filter data in cache.
+     */
+    public void updateWidgetFilters(@NonNull WidgetsFilterDataProvider widgetsFilterDataProvider) {
+        if (!WIDGETS_ENABLED) {
+            return;
+        }
+        mDefaultWidgetsFilter = widgetsFilterDataProvider.getDefaultWidgetsFilter();
+        mPredictedWidgetsFilter = widgetsFilterDataProvider.getPredictedWidgetsFilter();
+    }
+
+    /**
      * @param packageUser If null, all widgets and shortcuts are updated and returned, otherwise
      *                    only widgets and shortcuts associated with the package/user are.
      */
@@ -299,7 +334,7 @@
             if (pInfo == null) {
                 pInfo = new PackageItemInfo(key.mPackageName, key.mWidgetCategory, key.mUser);
                 pInfo.user = key.mUser;
-                mMap.put(key,  pInfo);
+                mMap.put(key, pInfo);
             }
             return pInfo;
         }