It's unclear to me how this post made to the top when it references SwiftUI - a framework which is still in beta and shouldn't even be brought into discussion.

It's unclear to me how this post made to the top when it references SwiftUI - a framework which is still in beta and shouldn't even be brought into discussion. On the other hand, UIKit is documented about ~90% which is an insane amount and this is what most of the iOS devs are using on a day-to-day basis.