fix

NetworkVariables of in-scene placed NetworkObjects not updating was due to the observers not being populated during the scene load event.

Author: NoelStephensUnity

com.unity.netcode.gameobjects/Runtime/SceneManagement/SceneEventData.cs

@@ -665,6 +665,7 @@ internal void SerializeScenePlacedObjects(FastBufferWriter writer)
 
             // Write our count place holder (must not be packed!)
             writer.WriteValueSafe((ushort)0);
+            var distributedAuthority = m_NetworkManager.DistributedAuthorityMode;
 
             foreach (var keyValuePairByGlobalObjectIdHash in m_NetworkManager.SceneManager.ScenePlacedObjects)
             {
@@ -673,7 +674,7 @@ internal void SerializeScenePlacedObjects(FastBufferWriter writer)
                     if (keyValuePairBySceneHandle.Value.Observers.Contains(TargetClientId))
                     {
                         // Serialize the NetworkObject
-                        var sceneObject = keyValuePairBySceneHandle.Value.GetMessageSceneObject(TargetClientId);
+                        var sceneObject = keyValuePairBySceneHandle.Value.GetMessageSceneObject(TargetClientId, distributedAuthority);
                         sceneObject.Serialize(writer);
                         numberOfObjects++;
                     }

com.unity.netcode.gameobjects/Runtime/Spawning/NetworkSpawnManager.cs

@@ -1089,7 +1089,7 @@ internal void SendSpawnCallForObject(ulong clientId, NetworkObject networkObject
 
             var message = new CreateObjectMessage
             {
-                ObjectInfo = networkObject.GetMessageSceneObject(clientId),
+                ObjectInfo = networkObject.GetMessageSceneObject(clientId, NetworkManager.DistributedAuthorityMode),
                 IncludesSerializedObject = true,
                 UpdateObservers = NetworkManager.DistributedAuthorityMode,
                 ObserverIds = NetworkManager.DistributedAuthorityMode ? networkObject.Observers.ToArray() : null,