updated what's New

Author: SnehaSudhirG

articles/update-manager/whats-new.md

@@ -5,7 +5,7 @@ ms.service: azure-update-manager
 ms.topic: overview
 author: SnehaSudhirG
 ms.author: sudhirsneha
-ms.date: 07/24/2024
+ms.date: 08/21/2024
 ---
 
 # What's new in Azure Update Manager
@@ -14,6 +14,11 @@ ms.date: 07/24/2024
 
 ## August 2024
 
+### Support for 35 CIS images added along with 59 other images
+
+Azure Update Manager now supports CIS images along with 59 other popular images. For more information, see the [latest list of supported images](support-matrix.md#supported-operating-systems).
+
+
 ### Pre and Post events
 
 General Availability: Azure Update Manager now supports creating and managing pre and post events on scheduled maintenance configurations. [Learn more](pre-post-scripts-overview.md).