remove preview references from containers → v2.1 view

Author: laujan

articles/applied-ai-services/form-recognizer/whats-new.md

@@ -27,10 +27,16 @@ Form Recognizer service is updated on an ongoing basis. Bookmark this page to st
 >[!NOTE]
 > With the release of the 2022-08-31 GA API, the associated preview APIs are being deprecated. If you are using the 2021-09-30-preview or the 2022-01-30-preview API versions, please update your applications to target the 2022-08-31 API version. There are a few minor changes involved, for more information, _see_ the [migration guide](v3-migration-guide.md).
 
-## October 2022
+## November 2022
+
+* **Announcing the latest stable release of Azure Form Recognizer libraries**
+  * This release includes important changes and updates for .NET, Python, Java and JavaScript SDKs.  For more information, _see_ [**Azure SDK DevBlog**](https://devblogs.microsoft.com/azure-sdk/announcing-new-stable-release-of-azure-form-recognizer-libraries/).
+  * The most notable enhancement is the introduction of two new clients, the **`DocumentAnalysisClient`** and the **`DocumentModelAdministrationClient`**.
 
 ---
 
+## October 2022
+
 * **Form Recognizer versioned content**
   * Form Recognizer documentation has been updated to present a versioned experience. Now, you can choose to view content targeting the v3.0 GA experience or the v2.1 GA experience. The v3.0 experience is the default.