diff --git a/src/com/android/launcher3/LauncherAppState.java b/src/com/android/launcher3/LauncherAppState.java
index 869b995..a4ae1c8 100644
--- a/src/com/android/launcher3/LauncherAppState.java
+++ b/src/com/android/launcher3/LauncherAppState.java
@@ -52,6 +52,7 @@
 import com.android.launcher3.pm.UserCache;
 import com.android.launcher3.util.LockedUserState;
 import com.android.launcher3.util.MainThreadInitializedObject;
+import com.android.launcher3.util.PackageManagerHelper;
 import com.android.launcher3.util.Preconditions;
 import com.android.launcher3.util.RunnableList;
 import com.android.launcher3.util.SafeCloseable;
@@ -181,7 +182,7 @@
         mIconCache = new IconCache(mContext, mInvariantDeviceProfile,
                 iconCacheFileName, mIconProvider);
         mModel = new LauncherModel(context, this, mIconCache, new AppFilter(mContext),
-                iconCacheFileName != null);
+                PackageManagerHelper.INSTANCE.get(context), iconCacheFileName != null);
         mOnTerminateCallback.add(mIconCache::close);
         mOnTerminateCallback.add(mModel::destroy);
     }
diff --git a/src/com/android/launcher3/LauncherModel.java b/src/com/android/launcher3/LauncherModel.java
index be98589..e3da389 100644
--- a/src/com/android/launcher3/LauncherModel.java
+++ b/src/com/android/launcher3/LauncherModel.java
@@ -98,6 +98,8 @@
     @NonNull
     private final LauncherAppState mApp;
     @NonNull
+    private final PackageManagerHelper mPmHelper;
+    @NonNull
     private final ModelDbController mModelDbController;
     @NonNull
     private final Object mLock = new Object();
@@ -152,12 +154,13 @@
 
     LauncherModel(@NonNull final Context context, @NonNull final LauncherAppState app,
             @NonNull final IconCache iconCache, @NonNull final AppFilter appFilter,
-            final boolean isPrimaryInstance) {
+            @NonNull final PackageManagerHelper pmHelper, final boolean isPrimaryInstance) {
         mApp = app;
+        mPmHelper = pmHelper;
         mModelDbController = new ModelDbController(context);
         mBgAllAppsList = new AllAppsList(iconCache, appFilter);
-        mModelDelegate = ModelDelegate.newInstance(context, app, mBgAllAppsList, mBgDataModel,
-                isPrimaryInstance);
+        mModelDelegate = ModelDelegate.newInstance(context, app, mPmHelper, mBgAllAppsList,
+                mBgDataModel, isPrimaryInstance);
     }
 
     @NonNull
diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index b9a62e2..98bba08 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -132,6 +132,10 @@
     @ChecksSdkIntAtLeast(api = VERSION_CODES.UPSIDE_DOWN_CAKE, codename = "U")
     public static final boolean ATLEAST_U = Build.VERSION.SDK_INT >= VERSION_CODES.UPSIDE_DOWN_CAKE;
 
+    @ChecksSdkIntAtLeast(api = VERSION_CODES.VANILLA_ICE_CREAM, codename = "V")
+    public static final boolean ATLEAST_V = Build.VERSION.SDK_INT
+            >= VERSION_CODES.VANILLA_ICE_CREAM;
+
     /**
      * Set on a motion event dispatched from the nav bar. See {@link MotionEvent#setEdgeFlags(int)}.
      */
diff --git a/src/com/android/launcher3/model/AllAppsList.java b/src/com/android/launcher3/model/AllAppsList.java
index 39c1243..bcd6ad2 100644
--- a/src/com/android/launcher3/model/AllAppsList.java
+++ b/src/com/android/launcher3/model/AllAppsList.java
@@ -301,6 +301,7 @@
             Context context, String packageName, UserHandle user) {
         final ApiWrapper apiWrapper = ApiWrapper.INSTANCE.get(context);
         final UserCache userCache = UserCache.getInstance(context);
+        final PackageManagerHelper pmHelper = PackageManagerHelper.INSTANCE.get(context);
         final List<LauncherActivityInfo> matches = context.getSystemService(LauncherApps.class)
                 .getActivityList(packageName, user);
         if (matches.size() > 0) {
@@ -330,7 +331,7 @@
                     applicationInfo.sectionName = mIndex.computeSectionName(applicationInfo.title);
                     applicationInfo.intent = launchIntent;
                     AppInfo.updateRuntimeFlagsForActivityTarget(applicationInfo, info,
-                            userCache.getUserInfo(user), apiWrapper);
+                            userCache.getUserInfo(user), apiWrapper, pmHelper);
                     mDataChanged = true;
                 }
             }
diff --git a/src/com/android/launcher3/model/LoaderCursor.java b/src/com/android/launcher3/model/LoaderCursor.java
index 0875974..84130c7 100644
--- a/src/com/android/launcher3/model/LoaderCursor.java
+++ b/src/com/android/launcher3/model/LoaderCursor.java
@@ -57,6 +57,7 @@
 import com.android.launcher3.util.GridOccupancy;
 import com.android.launcher3.util.IntArray;
 import com.android.launcher3.util.IntSparseArrayMap;
+import com.android.launcher3.util.PackageManagerHelper;
 import com.android.launcher3.util.UserIconInfo;
 
 import java.net.URISyntaxException;
@@ -73,6 +74,7 @@
 
     private final LauncherAppState mApp;
     private final Context mContext;
+    private final PackageManagerHelper mPmHelper;
     private final IconCache mIconCache;
     private final InvariantDeviceProfile mIDP;
     private final @Nullable LauncherRestoreEventLogger mRestoreEventLogger;
@@ -114,6 +116,7 @@
     public int restoreFlag;
 
     public LoaderCursor(Cursor cursor, LauncherAppState app, UserManagerState userManagerState,
+            PackageManagerHelper pmHelper,
             @Nullable LauncherRestoreEventLogger restoreEventLogger) {
         super(cursor);
 
@@ -121,6 +124,7 @@
         allUsers = userManagerState.allUsers;
         mContext = app.getContext();
         mIconCache = app.getIconCache();
+        mPmHelper = pmHelper;
         mIDP = app.getInvariantDeviceProfile();
         mRestoreEventLogger = restoreEventLogger;
 
@@ -368,7 +372,7 @@
 
         if (mActivityInfo != null) {
             AppInfo.updateRuntimeFlagsForActivityTarget(info, mActivityInfo, userIconInfo,
-                    ApiWrapper.INSTANCE.get(mContext));
+                    ApiWrapper.INSTANCE.get(mContext), mPmHelper);
         }
 
         // from the db
diff --git a/src/com/android/launcher3/model/LoaderTask.java b/src/com/android/launcher3/model/LoaderTask.java
index 876bed4..0d40a24 100644
--- a/src/com/android/launcher3/model/LoaderTask.java
+++ b/src/com/android/launcher3/model/LoaderTask.java
@@ -435,7 +435,8 @@
             mShortcutKeyToPinnedShortcuts = new HashMap<>();
             final LoaderCursor c = new LoaderCursor(
                     dbController.query(TABLE_NAME, null, selection, null, null),
-                    mApp, mUserManagerState, mIsRestoreFromBackup ? restoreEventLogger : null);
+                    mApp, mUserManagerState, mPmHelper,
+                    mIsRestoreFromBackup ? restoreEventLogger : null);
             final Bundle extras = c.getExtras();
             mDbName = extras == null ? null : extras.getString(ModelDbController.EXTRA_DB_NAME);
             try {
@@ -697,7 +698,7 @@
             for (int i = 0; i < apps.size(); i++) {
                 LauncherActivityInfo app = apps.get(i);
                 AppInfo appInfo = new AppInfo(app, mUserCache.getUserInfo(user),
-                        ApiWrapper.INSTANCE.get(mApp.getContext()), quietMode);
+                        ApiWrapper.INSTANCE.get(mApp.getContext()), mPmHelper, quietMode);
                 if (Flags.enableSupportForArchiving() && app.getApplicationInfo().isArchived) {
                     // For archived apps, include progress info in case there is a pending
                     // install session post restart of device.
diff --git a/src/com/android/launcher3/model/ModelDelegate.java b/src/com/android/launcher3/model/ModelDelegate.java
index 8360b14..2264d35 100644
--- a/src/com/android/launcher3/model/ModelDelegate.java
+++ b/src/com/android/launcher3/model/ModelDelegate.java
@@ -26,6 +26,7 @@
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.R;
 import com.android.launcher3.shortcuts.ShortcutKey;
+import com.android.launcher3.util.PackageManagerHelper;
 import com.android.launcher3.util.ResourceBasedOverride;
 
 import java.io.FileDescriptor;
@@ -41,15 +42,16 @@
      * Creates and initializes a new instance of the delegate
      */
     public static ModelDelegate newInstance(
-            Context context, LauncherAppState app, AllAppsList appsList, BgDataModel dataModel,
-            boolean isPrimaryInstance) {
+            Context context, LauncherAppState app, PackageManagerHelper pmHelper,
+            AllAppsList appsList, BgDataModel dataModel, boolean isPrimaryInstance) {
         ModelDelegate delegate = Overrides.getObject(
                 ModelDelegate.class, context, R.string.model_delegate_class);
-        delegate.init(app, appsList, dataModel, isPrimaryInstance);
+        delegate.init(app, pmHelper, appsList, dataModel, isPrimaryInstance);
         return delegate;
     }
 
     protected final Context mContext;
+    protected PackageManagerHelper mPmHelper;
     protected LauncherAppState mApp;
     protected AllAppsList mAppsList;
     protected BgDataModel mDataModel;
@@ -62,9 +64,10 @@
     /**
      * Initializes the object with the given params.
      */
-    private void init(LauncherAppState app, AllAppsList appsList,
+    private void init(LauncherAppState app, PackageManagerHelper pmHelper, AllAppsList appsList,
             BgDataModel dataModel, boolean isPrimaryInstance) {
         this.mApp = app;
+        this.mPmHelper = pmHelper;
         this.mAppsList = appsList;
         this.mDataModel = dataModel;
         this.mIsPrimaryInstance = isPrimaryInstance;
diff --git a/src/com/android/launcher3/model/PackageUpdatedTask.java b/src/com/android/launcher3/model/PackageUpdatedTask.java
index 802faae..6275ed0 100644
--- a/src/com/android/launcher3/model/PackageUpdatedTask.java
+++ b/src/com/android/launcher3/model/PackageUpdatedTask.java
@@ -126,8 +126,8 @@
                     if (FeatureFlags.PROMISE_APPS_IN_ALL_APPS.get()) {
                         appsList.removePackage(packages[i], mUser);
                     }
-                    activitiesLists.put(
-                            packages[i], appsList.addPackage(context, packages[i], mUser));
+                    activitiesLists.put(packages[i],
+                            appsList.addPackage(context, packages[i], mUser));
                 }
                 flagOp = FlagOp.NO_OP.removeFlag(WorkspaceItemInfo.FLAG_DISABLED_NOT_AVAILABLE);
                 break;
@@ -138,8 +138,8 @@
                     for (int i = 0; i < N; i++) {
                         if (DEBUG) Log.d(TAG, "mAllAppsList.updatePackage " + packages[i]);
                         iconCache.updateIconsForPkg(packages[i], mUser);
-                        activitiesLists.put(
-                                packages[i], appsList.updatePackage(context, packages[i], mUser));
+                        activitiesLists.put(packages[i],
+                                appsList.updatePackage(context, packages[i], mUser));
                     }
                 }
                 // Since package was just updated, the target must be available now.
@@ -269,6 +269,8 @@
                         if (isNewApkAvailable) {
                             List<LauncherActivityInfo> activities = activitiesLists.get(
                                     packageName);
+                            // TODO: See if we can migrate this to
+                            //  AppInfo#updateRuntimeFlagsForActivityTarget
                             si.setProgressLevel(
                                     activities == null || activities.isEmpty()
                                             ? 100
@@ -399,7 +401,8 @@
             return false;
         }
         // Try to find the best match activity.
-        Intent intent = new PackageManagerHelper(context).getAppLaunchIntent(packageName, mUser);
+        Intent intent = PackageManagerHelper.INSTANCE.get(context)
+                .getAppLaunchIntent(packageName, mUser);
         if (intent != null) {
             si.intent = intent;
             si.status = WorkspaceItemInfo.DEFAULT;
diff --git a/src/com/android/launcher3/model/WorkspaceItemProcessor.kt b/src/com/android/launcher3/model/WorkspaceItemProcessor.kt
index cea4380..90e47d6 100644
--- a/src/com/android/launcher3/model/WorkspaceItemProcessor.kt
+++ b/src/com/android/launcher3/model/WorkspaceItemProcessor.kt
@@ -336,7 +336,8 @@
                     info,
                     activityInfo,
                     userCache.getUserInfo(c.user),
-                    ApiWrapper.INSTANCE[app.context]
+                    ApiWrapper.INSTANCE[app.context],
+                    pmHelper
                 )
             }
             if (
diff --git a/src/com/android/launcher3/model/data/AppInfo.java b/src/com/android/launcher3/model/data/AppInfo.java
index 18aa6e7..a4281f8 100644
--- a/src/com/android/launcher3/model/data/AppInfo.java
+++ b/src/com/android/launcher3/model/data/AppInfo.java
@@ -90,12 +90,12 @@
      */
     public AppInfo(Context context, LauncherActivityInfo info, UserHandle user) {
         this(info, UserCache.INSTANCE.get(context).getUserInfo(user),
-                ApiWrapper.INSTANCE.get(context),
+                ApiWrapper.INSTANCE.get(context), PackageManagerHelper.INSTANCE.get(context),
                 context.getSystemService(UserManager.class).isQuietModeEnabled(user));
     }
 
     public AppInfo(LauncherActivityInfo info, UserIconInfo userIconInfo,
-            ApiWrapper apiWrapper, boolean quietModeEnabled) {
+            ApiWrapper apiWrapper, PackageManagerHelper pmHelper, boolean quietModeEnabled) {
         this.componentName = info.getComponentName();
         this.container = CONTAINER_ALL_APPS;
         this.user = userIconInfo.user;
@@ -105,7 +105,7 @@
             runtimeStatusFlags |= FLAG_DISABLED_QUIET_USER;
         }
         uid = info.getApplicationInfo().uid;
-        updateRuntimeFlagsForActivityTarget(this, info, userIconInfo, apiWrapper);
+        updateRuntimeFlagsForActivityTarget(this, info, userIconInfo, apiWrapper, pmHelper);
     }
 
     public AppInfo(AppInfo info) {
@@ -184,7 +184,7 @@
      */
     public static boolean updateRuntimeFlagsForActivityTarget(
             ItemInfoWithIcon info, LauncherActivityInfo lai, UserIconInfo userIconInfo,
-            ApiWrapper apiWrapper) {
+            ApiWrapper apiWrapper, PackageManagerHelper pmHelper) {
         final int oldProgressLevel = info.getProgressLevel();
         final int oldRuntimeStatusFlags = info.runtimeStatusFlags;
         ApplicationInfo appInfo = lai.getApplicationInfo();
@@ -216,6 +216,8 @@
                 PackageManagerHelper.getLoadingProgress(lai),
                 PackageInstallInfo.STATUS_INSTALLED_DOWNLOADING);
         info.setNonResizeable(apiWrapper.isNonResizeableActivity(lai));
+        info.setSupportsMultiInstance(
+                pmHelper.supportsMultiInstance(lai.getComponentName()));
         return (oldProgressLevel != info.getProgressLevel())
                 || (oldRuntimeStatusFlags != info.runtimeStatusFlags);
     }
diff --git a/src/com/android/launcher3/model/data/ItemInfoWithIcon.java b/src/com/android/launcher3/model/data/ItemInfoWithIcon.java
index d4c25cb..6ac44ff 100644
--- a/src/com/android/launcher3/model/data/ItemInfoWithIcon.java
+++ b/src/com/android/launcher3/model/data/ItemInfoWithIcon.java
@@ -127,6 +127,11 @@
     public static final int FLAG_NOT_RESIZEABLE = 1 << 15;
 
     /**
+     * Flag indicating whether the package related to the item & user supports multiple instances.
+     */
+    public static final int FLAG_SUPPORTS_MULTI_INSTANCE = 1 << 16;
+
+    /**
      * 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.
      */
@@ -252,6 +257,24 @@
     }
 
     /**
+     * Sets whether this app info supports multi-instance.
+     */
+    protected void setSupportsMultiInstance(boolean supportsMultiInstance) {
+        if (supportsMultiInstance) {
+            runtimeStatusFlags |= FLAG_SUPPORTS_MULTI_INSTANCE;
+        } else {
+            runtimeStatusFlags &= ~FLAG_SUPPORTS_MULTI_INSTANCE;
+        }
+    }
+
+    /**
+     * Returns whether this app info supports multi-instance.
+     */
+    public boolean supportsMultiInstance() {
+        return (runtimeStatusFlags & FLAG_SUPPORTS_MULTI_INSTANCE) != 0;
+    }
+
+    /**
      * Sets whether this app info is non-resizeable.
      */
     public void setNonResizeable(boolean nonResizeable) {
@@ -301,4 +324,11 @@
         drawable.setIsDisabled(isDisabled());
         return drawable;
     }
+
+    @Override
+    protected String dumpProperties() {
+        return super.dumpProperties()
+                + " supportsMultiInstance=" + supportsMultiInstance()
+                + " nonResizeable=" + isNonResizeable();
+    }
 }
diff --git a/src/com/android/launcher3/provider/LauncherDbUtils.java b/src/com/android/launcher3/provider/LauncherDbUtils.java
index b992a92..3ae643e 100644
--- a/src/com/android/launcher3/provider/LauncherDbUtils.java
+++ b/src/com/android/launcher3/provider/LauncherDbUtils.java
@@ -44,6 +44,7 @@
 import com.android.launcher3.shortcuts.ShortcutKey;
 import com.android.launcher3.util.IntArray;
 import com.android.launcher3.util.IntSet;
+import com.android.launcher3.util.PackageManagerHelper;
 
 /**
  * A set of utility methods for Launcher DB used for DB updates and migration.
@@ -107,9 +108,11 @@
         Cursor c = db.query(
                 Favorites.TABLE_NAME, null, "itemType = 1", null, null, null, null);
         UserManagerState ums = new UserManagerState();
+        PackageManagerHelper pmHelper = PackageManagerHelper.INSTANCE.get(context);
         ums.init(UserCache.INSTANCE.get(context),
                 context.getSystemService(UserManager.class));
-        LoaderCursor lc = new LoaderCursor(c, LauncherAppState.getInstance(context), ums, null);
+        LoaderCursor lc = new LoaderCursor(c, LauncherAppState.getInstance(context), ums, pmHelper,
+                null);
         IntSet deletedShortcuts = new IntSet();
 
         while (lc.moveToNext()) {
diff --git a/src/com/android/launcher3/util/PackageManagerHelper.java b/src/com/android/launcher3/util/PackageManagerHelper.java
index 3684f56..f7c4df4 100644
--- a/src/com/android/launcher3/util/PackageManagerHelper.java
+++ b/src/com/android/launcher3/util/PackageManagerHelper.java
@@ -17,6 +17,7 @@
 package com.android.launcher3.util;
 
 import static com.android.launcher3.model.data.ItemInfoWithIcon.FLAG_INSTALL_SESSION_ACTIVE;
+import static android.view.WindowManager.PROPERTY_SUPPORTS_MULTI_INSTANCE_SYSTEM_UI;
 
 import android.content.ActivityNotFoundException;
 import android.content.ComponentName;
@@ -73,10 +74,14 @@
     @NonNull
     private final LauncherApps mLauncherApps;
 
+    private final String[] mLegacyMultiInstanceSupportedApps;
+
     public PackageManagerHelper(@NonNull final Context context) {
         mContext = context;
         mPm = context.getPackageManager();
         mLauncherApps = Objects.requireNonNull(context.getSystemService(LauncherApps.class));
+        mLegacyMultiInstanceSupportedApps = mContext.getResources().getStringArray(
+                R.array.config_appsSupportMultiInstancesSplit);
     }
 
     @Override
@@ -159,11 +164,23 @@
         }
     }
 
+    /**
+     * Returns the preferred launch activity intent for a given package.
+     */
     @Nullable
     public Intent getAppLaunchIntent(@Nullable final String pkg, @NonNull final UserHandle user) {
+        LauncherActivityInfo info = getAppLaunchInfo(pkg, user);
+        return info != null ? AppInfo.makeLaunchIntent(info) : null;
+    }
+
+    /**
+     * Returns the preferred launch activity for a given package.
+     */
+    @Nullable
+    public LauncherActivityInfo getAppLaunchInfo(@Nullable final String pkg,
+            @NonNull final UserHandle user) {
         List<LauncherActivityInfo> activities = mLauncherApps.getActivityList(pkg, user);
-        return activities.isEmpty() ? null :
-                AppInfo.makeLaunchIntent(activities.get(0));
+        return activities.isEmpty() ? null : activities.get(0);
     }
 
     /**
@@ -285,4 +302,47 @@
         return (info.flags & ApplicationInfo.FLAG_INSTALLED) != 0 || (
                 Flags.enableSupportForArchiving() && info.isArchived);
     }
+
+    /**
+     * Returns whether the given component or its application has the multi-instance property set.
+     */
+    public boolean supportsMultiInstance(@NonNull ComponentName component) {
+        // Check the legacy hardcoded allowlist first
+        for (String pkg : mLegacyMultiInstanceSupportedApps) {
+            if (pkg.equals(component.getPackageName())) {
+                return true;
+            }
+        }
+
+        // Check app multi-instance properties after V
+        if (!Utilities.ATLEAST_V) {
+            return false;
+        }
+
+        try {
+            // Check if the component has the multi-instance property
+            return mPm.getProperty(PROPERTY_SUPPORTS_MULTI_INSTANCE_SYSTEM_UI, component)
+                    .getBoolean();
+        } catch (PackageManager.NameNotFoundException e1) {
+            try {
+                // Check if the application has the multi-instance property
+                return mPm.getProperty(PROPERTY_SUPPORTS_MULTI_INSTANCE_SYSTEM_UI,
+                                component.getPackageName())
+                    .getBoolean();
+            } catch (PackageManager.NameNotFoundException e2) {
+                // Fall through
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Returns whether two apps should be considered the same for multi-instance purposes, which
+     * requires additional checks to ensure they can be started as multiple instances.
+     */
+    public static boolean isSameAppForMultiInstance(@NonNull ItemInfo app1,
+            @NonNull ItemInfo app2) {
+        return app1.getTargetPackage().equals(app2.getTargetPackage())
+                && app1.user.equals(app2.user);
+    }
 }