Update whats-new.md

Author: schmurky

defender-xdr/whats-new.md

@@ -32,6 +32,8 @@ For more information on what's new with other Microsoft Defender security produc
 
 You can also get product updates and important notifications through the [message center](https://admin.microsoft.com/Adminportal/Home#/MessageCenter).
 
+## February 2025
+- (Preview) The `PrivilegedEntraPimRoles` column is available for preview in the advanced hunting [IdentityInfo](advanced-hunting-identityinfo-table.md) table. 
 
 ## January 2025