added whats new entry

Author: diannegali

unified-secops-platform/mto-urbac.md

@@ -12,7 +12,7 @@ ms.collection:
 - highpri
 - tier1
 ms.topic: how-to
-ms.date: 05/12/2025
+ms.date: 05/29/2025
 appliesto: 
 - Microsoft Defender XDR
 - Microsoft Sentinel in the Microsoft Defender portal

unified-secops-platform/whats-new.md

@@ -22,9 +22,16 @@ This article lists recent features added for unified security operations in the
 
 ## May 2025
 
+- [Unified role-based access control in multitenant portal (Preview)](#unified-role-based-access-control-in-multitenant-management-preview)
 - [All Microsoft Sentinel use cases generally available in the Defender portal](#all-microsoft-sentinel-use-cases-generally-available-in-the-defender-portal)
 - [Case management now available for the Defender multitenant portal (Preview)](#case-management-now-available-for-the-defender-multitenant-portal-preview)
 
+### Unified role-based access control in multitenant management (Preview)
+
+Unified role-based access control (URBAC) is now available in the Microsoft Defender multitenant management portal. You can create, delete, import, and edit roles in the multitenant management portal. This capability provides a comprehensive view of permissions and access for your tenants, and a centralized administration to manage these permissions.
+
+For more information, see [Manage unified role-based access control in multitenant management](mto-urbac.md).
+
 ### All Microsoft Sentinel use cases generally available in the Defender portal
 
 All Microsoft Sentinel use cases that are in general availability, including [multi-tenant](mto-overview.md) and [multi-workspace](/azure/sentinel/workspaces-defender-portal) capabilities and support for all government and commercial clouds, are now also supported for general availability in the Defender portal.