What iOS version is SwiftUI?

SwiftUI runs on iOS 13, macOS 10.15, tvOS 13, and watchOS 6 , or any future later versions of those platforms. This means if you work on an app that must support iOS N-1 or even N-2 – i.e., the current version and one or two before that – then you will be limited in terms of the features you can offer.

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Is SwiftUI slow?

SwiftUI performance is much slower on macOS than on iOS . macOS running SwiftUI is even slower than the iOS simulator. As a simple example, create a List with a few hundred rows (anything over 100 gets pretty bad). macOS scrolling gets unacceptably slow.

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