BackgroundThreadAwaitable Awaitable object that completes when switching to a background thread.
Resumes execution on a ThreadPool background thread. Completes immediately when called from a background thread.
public async Awaitable Start() { await Awaitable.BackgroundThreadAsync(); // do some heavy math here without blocking the frame float result = 42; //switch back to the main frame to be able to call SceneManager.LoadSceneAsync await Awaitable.MainThreadAsync(); await SceneManager.LoadSceneAsync("my-scene"); }