Update changelog

Author: noellie-velez

com.unity.netcode.gameobjects/CHANGELOG.md

@@ -14,7 +14,7 @@ Additional documentation and release notes are available at [Multiplayer Documen
 - `NetworkTransport.EarlyUpdate` and `NetworkTransport.PostLateUpdate` are now public. For the vast majority of users, there's really no point in ever calling those methods directly (the `NetworkManager` handles it). It's only useful if wrapping transports outside of NGO. (#3890)
 
 ### Changed
-
+- Improve performance of `NetworkTransform`. (#3907)
 
 ### Deprecated
 

com.unity.netcode.gameobjects/Runtime/Components/NetworkTransform.cs

@@ -4822,7 +4822,6 @@ private static void RegisterNetworkManagerForTickUpdate(NetworkManager networkMa
         /// <param name="networkTransform"></param>
         private static void RegisterForTickUpdate(NetworkTransform networkTransform)
         {
-            //CHECK can we use NetworkManager.Singleton instead as we are in static context?
             var networkManager = networkTransform.NetworkManager;
             if (!networkManager.DistributedAuthorityMode && !s_NetworkTickRegistration.ContainsKey(networkManager))
             {
@@ -4840,7 +4839,6 @@ private static void RegisterForTickUpdate(NetworkTransform networkTransform)
         /// <param name="networkTransform"></param>
         private static void DeregisterForTickUpdate(NetworkTransform networkTransform)
         {
-            //CHECK static context, can we use NetworkManager.Singleton?
             var networkManager = networkTransform.NetworkManager;
             if (!networkManager)
             {