BufferedHashSet<T>: For safely iterating over a hashset that can be modified without needing a copy Optimize GameObject.Network, we do not need to constantly find the network root, it should only be set on network spawns and parent changes Sandbox.Game convars work in editor again Codegen IUpdateSubscriber and others on Components that implement those methods Scene update loop only iterates over enabled components that implement each of their methods; OnUpdate, OnFixedUpdate, OnPreRender