diff --git a/src/device.js b/src/device.js
index 6992592..0347b10 100644
--- a/src/device.js
+++ b/src/device.js
@@ -226,19 +226,26 @@ export function isMacOsCna(): boolean {
   return /Macintosh.*AppleWebKit(?!.*Safari)/i.test(userAgent);
 }
 
+export function isPopupSupportedWebview(ua?: string = getUserAgent()): boolean {
+  return /FB\/MW/.test(ua);
+}
+
 export function supportsPopups(ua?: string = getUserAgent()): boolean {
-  return !(
-    isWebView(ua) ||
-    isIosWebview(ua) ||
-    isAndroidWebview(ua) ||
-    isOperaMini(ua) ||
-    isFirefoxIOS(ua) ||
-    isEdgeIOS(ua) ||
-    isFacebookWebView(ua) ||
-    isQQBrowser(ua) ||
-    isElectron() ||
-    isMacOsCna() ||
-    isStandAlone()
+  return (
+    isPopupSupportedWebview(ua) ||
+    !(
+      isWebView(ua) ||
+      isIosWebview(ua) ||
+      isAndroidWebview(ua) ||
+      isOperaMini(ua) ||
+      isFirefoxIOS(ua) ||
+      isEdgeIOS(ua) ||
+      isFacebookWebView(ua) ||
+      isQQBrowser(ua) ||
+      isElectron() ||
+      isMacOsCna() ||
+      isStandAlone()
+    )
   );
 }
 
diff --git a/src/device.test.js b/src/device.test.js
new file mode 100644
index 0000000..b2556fe
--- /dev/null
+++ b/src/device.test.js
@@ -0,0 +1,22 @@
+/* @flow */
+import { describe, test, expect } from "vitest";
+
+import { supportsPopups, isPopupSupportedWebview } from "./device";
+
+describe("supportsPopups", () => {
+  test("returns true when short circuited", () => {
+    const ua = `Mozilla/5.0 (Linux; Android 5.1.1; Nexus 5 Build/LMY48B; wv)
+    AppleWebKit/537.36 (KHTML, like Gecko) 
+    Version/4.0 Chrome/43.0.2357.65 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/44.25.0.1;FB/MW]`;
+    expect(supportsPopups(ua)).toBe(true);
+  });
+});
+
+describe("isPopupSupportedWebview", () => {
+  test("returns true when fb webview supported user agent", () => {
+    const ua = `Mozilla/5.0 (Linux; Android 5.1.1; Nexus 5 Build/LMY48B; wv)
+    AppleWebKit/537.36 (KHTML, like Gecko) 
+    Version/4.0 Chrome/43.0.2357.65 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/44.25.0.1;FB/MW]`;
+    expect(isPopupSupportedWebview(ua)).toBe(true);
+  });
+});
diff --git a/test/tests/device/supportsPopups.js b/test/tests/device/supportsPopups.js
index 565d00f..466c58a 100644
--- a/test/tests/device/supportsPopups.js
+++ b/test/tests/device/supportsPopups.js
@@ -133,6 +133,17 @@ describe("supportsPopups", () => {
         throw new Error(`Expected true, got ${JSON.stringify(bool)}`);
       }
     });
+    it("should return true when in facebook multiwindow experiment", () => {
+      window.navigator.userAgent = `Mozilla/5.0 (Linux; Android 5.1.1; Nexus 5 Build/LMY48B; wv)
+      AppleWebKit/537.36 (KHTML, like Gecko) 
+      Version/4.0 Chrome/43.0.2357.65 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/44.25.0.1;FB/MW]`;
+      const result = supportsPopups();
+      if (!result) {
+        throw new Error(
+          `Expected to support popups, got ${JSON.stringify(result)}`
+        );
+      }
+    });
   });
   describe("WebView on Android", () => {
     it("should return false when it is a valid WebView UA in KitKat to Lollipop", () => {