Build iOS apps using Swift 6 and iOS 18+ best practices. This skill ensures code uses modern patterns: SwiftData (not Core Data), Observation framework (not Combine), Swift concurrency (not GCD), and current SwiftUI APIs.
Swift 6 Concurrency First Always use Swift concurrency (async/await, actor, @MainActor) instead of GCD or completion handlers. Use structured concurrency (TaskGroup, async let) over unstructured tasks.
Observation Framework Over Combine Use @Observable macro for state management instead of ObservableObject with @Published. The Observation framework is more efficient and has cleaner syntax.
Guía para crear aplicaciones de iOS utilizando Swift 6, iOS 18+, SwiftUI, SwiftData y patrones de concurrencia modernos. Úselo al escribir código Swift/iOS, diseñar arquitectura de aplicaciones o modernizar patrones heredados. Evita patrones obsoletos como Core Data, ObservableObject, DispatchQueue y NavigationView. Fuente: fal3/claude-skills-collection.