Merge pull request #1309 from MicrosoftDocs/dex-whatsnew-sept24

Updated Whats-new.md for Sept 2024

Author: vpattnai

defender-xdr/whats-new.md

@@ -29,6 +29,11 @@ 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).
 
+## September 2024
+
+- [Microsoft Defender Threat Intelligence](/defender/threat-intelligence/what-is-microsoft-defender-threat-intelligence-defender-ti) customers can now view the [latest featured threat intelligence articles](/defender/threat-intelligence/learn-how-to-access-microsoft-defender-threat-intelligence-and-make-customizations-in-your-portal#featured-threat-intelligence-articles-widget) in the Microsoft Defender portal home page. The **Intel explorer** page now also has an [article digest](/defender/threat-intelligence/learn-how-to-access-microsoft-defender-threat-intelligence-and-make-customizations-in-your-portal#article-digest) that notifies them of the number of new Defender TI articles that were published since they last accessed the Defender portal.
+- [Microsoft Defender XDR Unified RBAC permissions](experts-on-demand.md#required-permissions-for-using-ask-defender-experts) are added to submit inquiries and view responses from [Microsoft Defender Experts](experts-on-demand.md). You can also [view responses](experts-on-demand.md#where-to-view-responses-from-defender-experts) to inquires submitted to Ask Defender Experts through your listed email addresses when submitting your inquiry or in the Defender portal by navigating to **Reports** > **Defender Experts messages**.
+
 ## August 2024
 
 - (Preview) Microsoft Sentinel data is now available with Defender XDR data in Microsoft Defender multitenant management. Only one Microsoft Sentinel workspace per tenant is currently supported in the Microsoft unified security operations platform. So, Microsoft Defender multitenant management shows security information and event management (SIEM) data from one Microsoft Sentinel workspace per tenant. For more information, see [Microsoft Defender multitenant management](mto-overview.md) and [Microsoft Sentinel in the Microsoft Defender portal](/azure/sentinel/microsoft-sentinel-defender-portal).
@@ -67,7 +72,6 @@ You can also get product updates and important notifications through the [messag
 
 - (Preview) You can now filter your Microsoft Defender for Cloud alerts by the associated **alert subscription ID** in the Incidents and Alerts queues. For more information, see [Microsoft Defender for Cloud in Microsoft Defender XDR](microsoft-365-security-center-defender-cloud.md).
 
-
 - (GA) You can now **[filter your results](advanced-hunting-query-results.md#filter-results)** in advanced hunting so you can narrow down your investigation on specific data you want to focus on.
 
 ## May 2024