Merge pull request #270275 from VandhanaMehta/docs-editor/whats-new-1711481223

Update whats-new.md

Author: prmerger-automator[bot]

articles/mysql/flexible-server/whats-new.md

@@ -28,10 +28,14 @@ This article summarizes new releases and features in Azure Database for MySQL fl
 ## March 2024
 
 - **Accelerated Logs now supports major version upgrade.**
-    
-   Accelerated Logs has now introduced support for [major version upgrade](./how-to-upgrade.md) allowing an upgrade from MySQL version 5.7 to MySQL version 8.0 with accelerated logs feature enabled.[Learn more.](./concepts-accelerated-logs.md) 
 
+   Accelerated Logs has now introduced support for [major version upgrade](./how-to-upgrade.md) allowing an upgrade from MySQL version 5.7 to MySQL version 8.0 with accelerated logs feature enabled.[Learn more.](./concepts-accelerated-logs.md) 
+  
+  
+- **Support for Long-term retention of backups in Azure Database for MySQL Flexible Server (Preview)**
 
+  This feature will allow retention of backups beyond 35 days and upto 10 years. [Learn more.](./concepts-backup-restore.md) 
+  
 ## February 2024