update

Adding change log entry.

Author: NoelStephensUnity

com.unity.netcode.gameobjects/CHANGELOG.md

@@ -16,6 +16,7 @@ Additional documentation and release notes are available at [Multiplayer Documen
 
 ### Fixed
 
+- Fixed regression issue in v2.x where `NetworkObject.GetNetworkBehaviourAtOrderIndex` was converted from public to internal. (#3541)
 - Fixed synchronizing the destroyGameObject parameter to clients for InScenePlaced network objects. (#3514)
 - Fixed distributed authority related issue where enabling the `NetworkObject.DestroyWithScene` would cause errors when a destroying non-authority instances due to loading (single mode) or unloading scene events. (#3500)