Server sends ServerEntityEvents to clients, NetEntityEvents can contain an object array which will be passed to the serializable entity (now only used for ItemComponent indices)

Subsurface/Source/Items/Components/Signal/Connection.cs

@@ -286,7 +286,7 @@ namespace Barotrauma.Items.Components
 
                 if (!PlayerInput.LeftButtonHeld())
                 {
-                    panel.Item.NewComponentEvent(panel, true, true);
+                    //panel.Item.CreateServerEvent(panel, true, true);
                     //draggingConnected.Drop(Character);
                     draggingConnected = null;
                 }

Subsurface/Source/Items/Components/Signal/Wire.cs

@@ -532,7 +532,7 @@ namespace Barotrauma.Items.Components
             base.RemoveComponentSpecific();
         }
 
-        public override void ClientWrite(Lidgren.Network.NetBuffer msg)
+        public override void ClientWrite(Lidgren.Network.NetBuffer msg, object[] extraData = null)
         {
             msg.Write((byte)Math.Min(Nodes.Count, 255));
             for (int i = 0; i < Math.Min(Nodes.Count, 255); i++)