update

adding change log entry.

Author: NoelStephensUnity

com.unity.netcode.gameobjects/CHANGELOG.md

@@ -14,6 +14,7 @@ Additional documentation and release notes are available at [Multiplayer Documen
 
 ### Fixed
 
+- Fixed issue where `NetworkVariable`s on a `NetworkBehaviour` could fail to synchronize changes if one is dirty but not ready to send. (#3465)
 - Fixed issue where when a client changes ownership via RPC the `NetworkBehaviour.OnOwnershipChanged` can result in identical previous and current owner identifiers. (#3434)
 
 ### Changed