diff --git a/zkdoc/release-note b/zkdoc/release-note
index 8048677913..a03810d94f 100644
--- a/zkdoc/release-note
+++ b/zkdoc/release-note
@@ -28,6 +28,7 @@ ZK 10.0.0
   ZK-5529: Tree focus is lost after loading new rows
   ZK-5593: inputWidget bind_ accesses input dom node may not exist
   ZK-5605: client-bind fails for zk.$extends created widget classes, without ClientBindComposer declared
+  ZK-5603: Client-mvvm boolean false handling is different from server-side
 
 * Upgrade Notes
   + Upgrade commons-fileupload to commons-fileupload2-javax 2.0.0-M1 and commons-io to 2.13.0 to support jakarta-friendly uploads