add whats new segment

Author: austinmccollum

articles/sentinel/whats-new.md

@@ -23,11 +23,20 @@ The listed features were released in the last three months. For information abou
 
 ## March 2024
 
+- [SIEM migration experience now generally available (GA)](#siem-migration-experience-now-generally-available-ga)
 - [Amazon Web Services S3 connector now generally available (GA)](#amazon-web-services-s3-connector-now-generally-available-ga)
 - [Codeless Connector builder (preview)](#codeless-connector-builder-preview)
-- [SIEM migration experience (preview)](#siem-migration-experience-preview)
 - [Data connectors for Syslog and CEF based on Azure Monitor Agent now generally available (GA)](#data-connectors-for-syslog-and-cef-based-on-azure-monitor-agent-now-generally-available-ga)
 
+### SIEM migration experience now generally available (GA)
+
+At the beginning of the month, we announced the SIEM migration preview. Now at the end of the month, it's already GA! The new Microsoft Sentinel Migration experience helps customers and partners automate the process of migrating their security monitoring use cases hosted in non-Microsoft products into Microsoft Sentinel.
+- This first version of the tool supports migrations from Splunk
+
+For more information, see [Migrate to Microsoft Sentinel with the SIEM migration experience](siem-migration.md)
+
+Join our Security Community for a [webinar](https://forms.office.com/pages/responsepage.aspx?id=v4j5cvGGr0GRqy180BHbR_0A4IaJRDNBnp8pjCkWnwhUM1dFNFpVQlZJREdEQjkwQzRaV0RZRldEWC4u) showcasing the SIEM migration experience on May 2nd, 2024. 
+
 ### Amazon Web Services S3 connector now generally available (GA)
 
 Microsoft Sentinel has released the AWS S3 data connector to general availability (GA). You can use this connector to ingest logs from several AWS services to Microsoft Sentinel using an S3 bucket and AWS's simple message queuing service.
@@ -44,12 +53,6 @@ See our blog post for more details, [Create Codeless Connectors with the Codeles
 
 For more information on the CCP, see [Create a codeless connector for Microsoft Sentinel (Public preview)](create-codeless-connector.md).
 
-### SIEM migration experience (preview)
-
-The new Microsoft Sentinel Migration experience helps customers and partners to automate the process of migrating their security monitoring use cases hosted in non-Microsoft products into Microsoft Sentinel.
-- This first version of the tool supports migrations from Splunk
-
-For more information, see [Migrate to Microsoft Sentinel with the SIEM migration experience](siem-migration.md)
 
 ### Data connectors for Syslog and CEF based on Azure Monitor Agent now generally available (GA)