WWDC26 SwiftUI guide

What’s new in SwiftUIDive into the latest features and capabilities of SwiftUI. The 2027 releases bring major upgrades to SwiftUI, a powerful new Document API, expanded toolbar controls, and significant performance improvements to build times and data flow.Xcode 27 agent skillsXcode 27 helps you adopt new SwiftUI APIs and best practices with a set of skills that you can use in the coding assistant. The skills apply SwiftUI conventions throughout your code, and guide you through the new API