Merge pull request #308460 from khdownie/patch-6

Update Azure Files what's new article with cloud only preview

Author: prmerger-automator[bot]

articles/storage/files/files-whats-new.md

@@ -4,7 +4,7 @@ description: Learn about new features and enhancements in Azure Files and Azure
 author: khdownie
 ms.service: azure-file-storage
 ms.topic: concept-article
-ms.date: 09/23/2025
+ms.date: 11/18/2025
 ms.author: kendownie
 ms.custom:
   - build-2025
@@ -17,6 +17,14 @@ Azure Files and Azure File Sync are updated regularly to offer new features and
 
 ## What's new in 2025
 
+### 2025 quarter 4 (October, November, December)
+
+#### Entra-only identity support for SMB Azure file shares is now in public preview
+
+Microsoft Entra Kerberos authentication now supports cloud-only identities. With native Microsoft Entra ID authentication, customers can move beyond the limitations of on-premises Active Directory and hybrid sync tools, enabling cloud-created identities to access file shares securely, from anywhere. 
+
+To learn more, read the [blog post](https://techcommunity.microsoft.com/blog/azurestorageblog/cloud-native-identity-with-azure-files-entra-only-secure-access-for-the-modern-e/4469778).
+
 ### 2025 quarter 3 (July, August, September)
 
 #### Azure Files vaulted backup is now generally available for SSD file shares