Seems like it was a bug on Apple‘s side. Codes work now for me at least. For me the delay was about 72 hours.

Gif showing the delay:

I get this compiler errors on your iOS 15 example. Static method 'buildBlock' requires that 'Row<EmptyView, Toggle<Text>>' conform to 'View' Static method 'buildBlock' requires that 'Row<Label<Text, Image>, SecureField<Text>>' conform to 'View' Static method 'buildBlock' requires that 'Row<Text, TextField<Text>>' conform to 'View' EDIT: Add View protocol to Row. EDIT: The outcome does not look quite right:

It seems that this is a problem of a multiple forms inside the scrollView which gets resized by window resizing... SwiftUI seems to handle resize of a form / the inputs really bad.