swiftui-whats-new-27

New SwiftUI APIs, behaviors, and deprecations in the 2027 OS releases (iOS 27 and aligned macOS/watchOS/tvOS/visionOS). Consult when asked what's new in SwiftUI 27, or when working with: — @State compile errors after an SDK update ("used before being initialized", "invalid redeclaration of synthesized property") or @State becaming a macro — @ViewBuilder/@ContentBuilder ambiguous overloads or type-check regressions;…