Update whats-new.md

Author: rlitinsky

ATPDocs/whats-new.md

@@ -24,7 +24,8 @@ For updates about versions and features released six months ago or earlier, see
 
 ## May 2025
 
-### Disabled sam-r
+### Local administrators collection (using SAM-R quesries) feature will be disabled
+Remote collection of local administrators' group members on endpoints (using SAM-R queries) feature in Microsoft Defender for Identity will be disabled by mid-May 2025. The details collected are used to build the potential lateral movement paths map. Alternative methods are currently being explored.
 
 ## April 2025