ScriptReference/AsyncOperation-allowSceneActivation

[docscomments[bot]]

ScriptReference/AsyncOperation-allowSceneActivation

https://docs.unity3d.com/ScriptReference/AsyncOperation-allowSceneActivation.html

[vertxxyz]

This flag is ignored in Awake by design. Use Start or Update instead.

[docscomments[bot]]

Comment by @Baste-RainGames:

Note that if this is false, yielding the AsyncOperation will never finish, as yielding checks the isDone variable:

var loadOp = SceneManager.LoadSceneAsync("scene");  
loadOp.allowSceneActivation = false;  
yield return loadOp; //never finishes!