Unity-Technologies · EmandM · Oct 2, 2025 · Sep 17, 2025 · Sep 17, 2025 · Sep 17, 2025
@@ -136,8 +136,7 @@ protected override void OnNetworkPreSpawn(ref NetworkManager networkManager)
 
     /// <summary>
     /// We are using post spawn to handle any final spawn initializations.
-    /// At this point we know all NetworkBehaviours on this instance has 
-    /// been spawned.
+    /// At this point we know all NetworkBehaviours on this instance have been spawned.
     /// </summary>
     protected override void OnNetworkPostSpawn()
     {
@@ -173,8 +172,7 @@ public override void OnNetworkDespawn()
         {
             m_CharacterController.enabled = false;
             Camera.main.transform.SetParent(null, false);
-            Camera.main.transform.position = m_CameraOriginalPosition;
-            Camera.main.transform.rotation = m_CameraOriginalRotation;
+            Camera.main.transform.SetPositionAndRotation(m_CameraOriginalPosition, m_CameraOriginalRotation);
         }
         base.OnNetworkDespawn();
     }

@@ -5,7 +5,7 @@
 using Random = UnityEngine.Random;
 using Debug = UnityEngine.Debug;
 
-#region MoverScriptNoRigidbody Custom Editor 
+#region MoverScriptNoRigidbody Custom Editor
 #if UNITY_EDITOR
 using Unity.Netcode.Editor;
 using UnityEditor;
@@ -144,8 +144,7 @@ protected override void OnNetworkPreSpawn(ref NetworkManager networkManager)
 
     /// <summary>
     /// We are using post spawn to handle any final spawn initializations.
-    /// At this point we know all NetworkBehaviours on this instance has 
-    /// been spawned.
+    /// At this point we know all NetworkBehaviours on this instance have been spawned.
     /// </summary>
     protected override void OnNetworkPostSpawn()
     {
@@ -182,14 +181,13 @@ protected override void OnNetworkPostSpawn()
 
     public override void OnNetworkDespawn()
     {
-        // Notify any client or server specific componant that this instance has despawned.
+        // Notify any client or server specific component that this instance has despawned.
         NotifySpawnStatusChanged?.Invoke(false);
         if (IsLocalPlayer)
         {
             m_CharacterController.enabled = false;
             Camera.main.transform.SetParent(null, false);
-            Camera.main.transform.position = m_CameraOriginalPosition;
-            Camera.main.transform.rotation = m_CameraOriginalRotation;
+            Camera.main.transform.SetPositionAndRotation(m_CameraOriginalPosition, m_CameraOriginalRotation);
         }
         base.OnNetworkDespawn();
     }

@@ -415,8 +415,7 @@ private void SetCameraDefaults()
         if (Camera.main != null && Camera.main.transform.parent != null)
         {
             Camera.main.transform.SetParent(null, false);
-            Camera.main.transform.position = m_CameraOriginalPosition;
-            Camera.main.transform.rotation = m_CameraOriginalRotation;
+            Camera.main.transform.SetPositionAndRotation(m_CameraOriginalPosition, m_CameraOriginalRotation);
         }
     }
 
@@ -522,7 +521,7 @@ private void StartDedicatedServer()
 
     /// <summary>
     /// Register callbacks when the OnServerStarted callback is invoked.
-    /// This makes it easier to know you are registering for events only 
+    /// This makes it easier to know you are registering for events only
     /// when the server successfully has started.
     /// </summary>
     private void ServerStarted()
@@ -578,11 +577,11 @@ private void HandleEditorKeyCommands()
 #else
     private void HandleConsoleKeyCommands()
     {
-        if (Console.KeyAvailable) 
+        if (Console.KeyAvailable)
         {
             var networkManager = NetworkManager.Singleton;
             var keyPressed = Console.ReadKey(true);
-            switch(keyPressed.Key) 
+            switch(keyPressed.Key)
             {
                 case ConsoleKey.X:
                     {

@@ -45,8 +45,7 @@ public NetworkObject Instantiate(ulong ownerClientId, Vector3 position, Quaterni
         var gameObject = m_NetworkManager.IsClient ? Instantiate(NetworkPrefabOverride) : Instantiate(NetworkPrefab);
         // You could integrate spawn locations here and on the server side apply the spawn position at
         // this stage of the spawn process.
-        gameObject.transform.position = position;
-        gameObject.transform.rotation = rotation;
+        gameObject.transform.SetPositionAndRotation(position, rotation);
         return gameObject.GetComponent<NetworkObject>();
     }
 
@@ -64,4 +63,3 @@ public void Destroy(NetworkObject networkObject)
         Destroy(networkObject.gameObject);
     }
 }
-
@@ -23,6 +23,7 @@ Additional documentation and release notes are available at [Multiplayer Documen
 
 ### Fixed
 
+- Made a variety of small performance improvements. (#3683)
 
 ### Security
 

@@ -153,8 +153,7 @@ This type of dynamically spawned `NetworkObject` typically is a simple wrapper c
             m_prefabInstance = Instantiate(prefabToSpawn);
 
             // Optional, this example applies the spawner's position and rotation to the new instance
-            m_prefabInstance.transform.position = transform.position;
-            m_prefabInstance.transform.rotation = transform.rotation;
+            m_prefabInstance.transform.SetPositionAndRotation(transform.position, transform.rotation);
 
             // Get the instance's NetworkObject and Spawn
             m_SpawnedNetworkObject = m_prefabInstance.GetComponent<NetworkObject>();
@@ -233,8 +232,7 @@ public class SinglePooledDynamicSpawner : NetworkBehaviour, INetworkprefabInstan
     public NetworkObject Instantiate(ulong ownerClientId, Vector3 position, Quaternion rotation)
     {
         m_prefabInstance.SetActive(true);
-        m_prefabInstance.transform.position = transform.position;
-        m_prefabInstance.transform.rotation = transform.rotation;
+        m_prefabInstance.transform.position.SetPositionAndRotation(transform.position, transform.rotation);
         return m_SpawnedNetworkObject;
     }
 

@@ -1431,11 +1431,7 @@ private void ProcessNetworkBehaviour(TypeDefinition typeDefinition, string[] ass
                     MethodReference callMethod = rpcHandler;
                     if (typeDefinition.HasGenericParameters)
                     {
-                        var genericTypes = new List<TypeReference>();
-                        foreach (var parameter in typeDefinition.GenericParameters)
-                        {
-                            genericTypes.Add(parameter);
-                        }
+                        var genericTypes = new List<TypeReference>(typeDefinition.GenericParameters);
                         callMethod = callMethod.MakeGeneric(genericTypes.ToArray());
                     }
 
@@ -3101,11 +3097,7 @@ private MethodDefinition GenerateStaticHandler(MethodDefinition methodDefinition
             var callMethod = (MethodReference)methodDefinition;
             if (castType.HasGenericParameters)
             {
-                var genericTypes = new List<TypeReference>();
-                foreach (var parameter in castType.GenericParameters)
-                {
-                    genericTypes.Add(parameter);
-                }
+                var genericTypes = new List<TypeReference>(castType.GenericParameters);
                 castType = castType.MakeGenericInstanceType(genericTypes.ToArray());
                 callMethod = callMethod.MakeGeneric(genericTypes.ToArray());
             }

@@ -22,7 +22,7 @@ public class NetcodeForGameObjectsProjectSettings : ScriptableSingleton<NetcodeF
 
         private void OnEnable()
         {
-            if (NetworkPrefabsPath == "")
+            if (NetworkPrefabsPath.Length == 0)
             {
                 NetworkPrefabsPath = DefaultNetworkPrefabsPath;
             }

@@ -36,7 +36,7 @@ private static void OnDeactivate()
             if (settings.TempNetworkPrefabsPath != settings.NetworkPrefabsPath)
             {
                 var newPath = settings.TempNetworkPrefabsPath;
-                if (newPath == "")
+                if (newPath.Length == 0)
                 {
                     newPath = NetcodeForGameObjectsProjectSettings.DefaultNetworkPrefabsPath;
                     settings.TempNetworkPrefabsPath = newPath;

@@ -55,7 +55,6 @@ public class UnityTransportEditor : HiddenScriptEditor
 
         private SerializedProperty m_ServerAddressProperty;
         private SerializedProperty m_ServerPortProperty;
-        private SerializedProperty m_OverrideBindIpProperty;
 
         private const string k_LoopbackIpv4 = "127.0.0.1";
         private const string k_LoopbackIpv6 = "::1";
@@ -76,7 +75,7 @@ private void Initialize()
 
             m_ServerAddressProperty = connectionDataProperty.FindPropertyRelative(nameof(UnityTransport.ConnectionAddressData.Address));
             m_ServerPortProperty = connectionDataProperty.FindPropertyRelative(nameof(UnityTransport.ConnectionAddressData.Port));
-            m_OverrideBindIpProperty = connectionDataProperty.FindPropertyRelative(nameof(UnityTransport.ConnectionAddressData.ServerListenAddress));
+            connectionDataProperty.FindPropertyRelative(nameof(UnityTransport.ConnectionAddressData.ServerListenAddress));
         }
 
         /// <summary>
@@ -129,7 +128,7 @@ public override void OnInspectorGUI()
                 overrideIp = EditorGUILayout.TextField("Override Bind IP (optional)", overrideIp);
                 if (allowRemoteConnections)
                 {
-                    if (overrideIp == "")
+                    if (overrideIp.Length == 0)
                     {
                         if (isIpV6)
                         {

@@ -251,12 +251,12 @@ private void DisplayNetworkManagerProperties()
                         // Default directory
                         var directory = "Assets/";
                         var assetPath = AssetDatabase.GetAssetPath(m_NetworkManager);
-                        if (assetPath == "")
+                        if (assetPath.Length == 0)
                         {
                             assetPath = PrefabUtility.GetPrefabAssetPathOfNearestInstanceRoot(m_NetworkManager);
                         }
 
-                        if (assetPath != "")
+                        if (assetPath.Length > 0)
                         {
                             directory = Path.GetDirectoryName(assetPath);
                         }
@@ -270,7 +270,7 @@ private void DisplayNetworkManagerProperties()
                             if (prefabStage != null)
                             {
                                 var prefabPath = prefabStage.assetPath;
-                                if (!string.IsNullOrEmpty(prefabPath))
+                                if (prefabPath.Length > 0)
                                 {
                                     directory = Path.GetDirectoryName(prefabPath);
                                 }

@@ -240,8 +240,7 @@ public void AnticipateState(TransformState newState)
                 return;
             }
             var transform_ = transform;
-            transform_.position = newState.Position;
-            transform_.rotation = newState.Rotation;
+            transform_.SetPositionAndRotation(newState.Position, newState.Rotation);
             transform_.localScale = newState.Scale;
             m_AnticipatedTransform = newState;
             if (CanCommitToTransform)
@@ -278,9 +277,8 @@ private void ProcessSmoothing()
                 m_PreviousAnticipatedTransform = m_AnticipatedTransform;
                 if (!CanCommitToTransform)
                 {
-                    transform_.position = m_AnticipatedTransform.Position;
+                    transform_.SetPositionAndRotation(m_AnticipatedTransform.Position, m_AnticipatedTransform.Rotation);
                     transform_.localScale = m_AnticipatedTransform.Scale;
-                    transform_.rotation = m_AnticipatedTransform.Rotation;
                 }
             }
         }
@@ -336,8 +334,7 @@ public void SetupForRender()
                         Transform.m_AnticipatedTransform = Transform.m_AuthoritativeTransform;
                     }
 
-                    transform_.position = Transform.m_AnticipatedTransform.Position;
-                    transform_.rotation = Transform.m_AnticipatedTransform.Rotation;
+                    transform_.SetPositionAndRotation(Transform.m_AnticipatedTransform.Position, Transform.m_AnticipatedTransform.Rotation);
                     transform_.localScale = Transform.m_AnticipatedTransform.Scale;
                 }
             }
@@ -347,8 +344,7 @@ public void SetupForUpdate()
                 if (Transform.CanCommitToTransform)
                 {
                     var transform_ = Transform.transform;
-                    transform_.position = Transform.m_AuthoritativeTransform.Position;
-                    transform_.rotation = Transform.m_AuthoritativeTransform.Rotation;
+                    transform_.SetPositionAndRotation(Transform.m_AuthoritativeTransform.Position, Transform.m_AuthoritativeTransform.Rotation);
                     transform_.localScale = Transform.m_AuthoritativeTransform.Scale;
                 }
             }
@@ -493,8 +489,7 @@ public void Smooth(TransformState from, TransformState to, float durationSeconds
             {
                 m_AnticipatedTransform = to;
                 m_PreviousAnticipatedTransform = m_AnticipatedTransform;
-                transform_.position = to.Position;
-                transform_.rotation = to.Rotation;
+                transform_.SetPositionAndRotation(to.Position, to.Rotation);
                 transform_.localScale = to.Scale;
                 m_SmoothDuration = 0;
                 m_CurrentSmoothTime = 0;
@@ -505,8 +500,7 @@ public void Smooth(TransformState from, TransformState to, float durationSeconds
 
             if (!CanCommitToTransform)
             {
-                transform_.position = from.Position;
-                transform_.rotation = from.Rotation;
+                transform_.SetPositionAndRotation(from.Position, from.Rotation);
                 transform_.localScale = from.Scale;
             }
 
@@ -554,18 +548,16 @@ protected override void OnTransformUpdated()
             if (!m_OutstandingAuthorityChange)
             {
                 // Keep the anticipated value unchanged, we have no updates from the server at all.
-                transform_.position = previousAnticipatedTransform.Position;
+                transform_.SetPositionAndRotation(previousAnticipatedTransform.Position, previousAnticipatedTransform.Rotation);
                 transform_.localScale = previousAnticipatedTransform.Scale;
-                transform_.rotation = previousAnticipatedTransform.Rotation;
                 return;
             }
 
             if (StaleDataHandling == StaleDataHandling.Ignore && m_LastAnticipaionCounter > m_LastAuthorityUpdateCounter)
             {
                 // Keep the anticipated value unchanged because it is more recent than the authoritative one.
-                transform_.position = previousAnticipatedTransform.Position;
+                transform_.SetPositionAndRotation(previousAnticipatedTransform.Position, previousAnticipatedTransform.Rotation);
                 transform_.localScale = previousAnticipatedTransform.Scale;
-                transform_.rotation = previousAnticipatedTransform.Rotation;
                 return;
             }
 

@@ -463,8 +463,7 @@ internal void InternalDetach()
                 {
                     // Set the original parent and origianl local position and rotation
                     transform.SetParent(m_DefaultParent.transform, false);
-                    transform.localPosition = m_OriginalLocalPosition;
-                    transform.localRotation = m_OriginalLocalRotation;
+                    transform.SetLocalPositionAndRotation(m_OriginalLocalPosition, m_OriginalLocalRotation);
                 }
                 m_AttachState = AttachState.Detached;
             }

@@ -181,7 +181,7 @@ public bool HasPositionChange
             {
                 get
                 {
-                    return HasPositionX | HasPositionY | HasPositionZ;
+                    return HasPositionX || HasPositionY || HasPositionZ;
                 }
             }
 
@@ -241,7 +241,7 @@ public bool HasRotAngleChange
             {
                 get
                 {
-                    return HasRotAngleX | HasRotAngleY | HasRotAngleZ;
+                    return HasRotAngleX || HasRotAngleY || HasRotAngleZ;
                 }
             }
 
@@ -301,7 +301,7 @@ public bool HasScaleChange
             {
                 get
                 {
-                    return HasScaleX | HasScaleY | HasScaleZ;
+                    return HasScaleX || HasScaleY || HasScaleZ;
                 }
             }
 
@@ -3950,8 +3950,7 @@ private void SetStateInternal(Vector3 pos, Quaternion rot, Vector3 scale, bool s
             {
                 if (InLocalSpace)
                 {
-                    transform.localPosition = pos;
-                    transform.localRotation = rot;
+                    transform.SetLocalPositionAndRotation(pos, rot);
                 }
                 else
                 {
@@ -4539,8 +4538,8 @@ private void UpdateTransformState()
             // - If UsUnrealiable is not enabled
             // - If teleporting or synchronizing
             // - If sending an UnrealiableFrameSync or synchronizing the base position of the NetworkDeltaPosition
-            var networkDelivery = !UseUnreliableDeltas | m_LocalAuthoritativeNetworkState.IsTeleportingNextFrame | m_LocalAuthoritativeNetworkState.IsSynchronizing
-                | m_LocalAuthoritativeNetworkState.UnreliableFrameSync | m_LocalAuthoritativeNetworkState.SynchronizeBaseHalfFloat
+            var networkDelivery = !UseUnreliableDeltas || m_LocalAuthoritativeNetworkState.IsTeleportingNextFrame || m_LocalAuthoritativeNetworkState.IsSynchronizing
+                || m_LocalAuthoritativeNetworkState.UnreliableFrameSync || m_LocalAuthoritativeNetworkState.SynchronizeBaseHalfFloat
                 ? NetworkDelivery.ReliableSequenced : NetworkDelivery.UnreliableSequenced;
 
             // Server-host-dahost always sends updates to all clients (but itself)

@@ -109,10 +109,7 @@ public void Initialize(bool warnInvalid = true)
             {
                 foreach (var list in NetworkPrefabsLists)
                 {
-                    foreach (var networkPrefab in list.PrefabList)
-                    {
-                        prefabs.Add(networkPrefab);
-                    }
+                    prefabs.AddRange(list.PrefabList);
                 }
             }
 
@@ -154,7 +151,7 @@ public void Initialize(bool warnInvalid = true)
                 if (NetworkLog.CurrentLogLevel <= LogLevel.Error)
                 {
                     var sb = new StringBuilder("Removing invalid prefabs from Network Prefab registration: ");
-                    sb.Append(string.Join(", ", removeList));
+                    sb.AppendJoin(", ", removeList);
                     NetworkLog.LogWarning(sb.ToString());
                 }
             }
Original file line number	Diff line number	Diff line change
Expand Up		@@ -23,6 +23,7 @@ Additional documentation and release notes are available at [Multiplayer Documen

		### Fixed

		- Made a variety of small performance improvements. (#3683)

		### Security

Expand Down