Why should it be so complicated, Apple? Created a radar for it. https://openradar.appspot.com/FB15187079

I have the exact same problem with Xcode 16. One would expect Lists to behave correctly out of the box in this case.

How can Apple not have tested this fundamental scenario before releasing?

How can Apple not have tested this fundamental scenario before releasing?

It might be because you're not calling sub.didMove(toParent:)