diff --git a/release.notes b/release.notes
index 7369f84c1ce..8c39a723760 100644
--- a/release.notes
+++ b/release.notes
@@ -1,3 +1,9 @@
+[v9.0.0a40]
+
+*Core
+
+CHANGE: (#7961) Introduce caches to AuthManager.getUsername
+
 [v9.0.0a39]
 
 *WorkloadManagement