Added whats new

Author: AbbyMSFT

articles/sentinel/whats-new.md

@@ -4,7 +4,7 @@ description: Learn about the latest new features and announcement in Microsoft S
 author: batamig
 ms.author: bagol
 ms.topic: concept-article
-ms.date: 04/01/2025
+ms.date: 04/28/2025
 
 #Customer intent: As a security team member, I want to stay updated on the latest features and enhancements in Microsoft Sentinel so that I can effectively manage and optimize my organization's security posture.
 
@@ -37,6 +37,10 @@ For more information, see the following articles:
 - [View and manage incidents and alerts in Microsoft Defender multitenant management](/unified-secops-platform/mto-incidents-alerts.md)
 - [Advanced hunting in Microsoft Defender multitenant management](/unified-secops-platform/mto-advanced-hunting.md)
 
+
+### SOC optimization support for unused columns in  (preview)
+To optimize your cost/security value ratio, SOC optimization surfaces hardly used data connectors or tables. SOC optimization now surfaces unused columns in your tables. For more information, see [SOC optimization reference of recommendations](soc-optimization/soc-optimization-reference.md#unused-columns-preview).
+
 ## March 2025
 
 - [Agentless connection to SAP now in public preview](#agentless-connection-to-sap-now-in-public-preview)