Built with the Swift language itself, SwiftUI is available in the Xcode 11 beta IDE. Key features of SwiftUI include: A declarative syntax for stating what a UI should do.

Apps can be moved to actual hardware nearly instantly, with live edits in Xcode automatically migrated to the attached device. Swift UI also integrated with other APIs, like ARKit.

Apple has launched a new tutorial webpage featuring beginner resources for programming using Swift, Swift UI, and Xcode. Ahead of its annual Worldwide Developer Conference this June, "Develop in ...