Update whats-new.md

Author: schmurky

defender-xdr/whats-new.md

@@ -37,6 +37,7 @@ You can also get product updates and important notifications through the [messag
 - (Preview) IP addresses can now be excluded from automated responses in attack disruption. This feature allows you to exclude specific IPs from automated containment actions triggered by attack disruption. For more information, see [Exclude assets from automated responses in automatic attack disruption](automatic-attack-disruption-exclusions.md).
 
 - (Preview) The `PrivilegedEntraPimRoles` column is available for preview in the advanced hunting [IdentityInfo](advanced-hunting-identityinfo-table.md) table. 
+- (GA) You can now view how Security Copilot came up with the query suggestion in its reponses in Microsoft Defender advanced hunting. Select **See the logic behind the query** below the query text to view Copilot's reasoning behind the query.
 
 
 ## January 2025