Apple ecosystem · iOS · macOS · Swift
Every line of code has a story.
Slekens' technical blog on iOS and macOS development. Swift, SwiftUI, architecture and testing — in Spanish and English.
Blog
View all posts → Latest published
iOS 27iPhone Duo New
iPhone Duo with Xcode 27.1: the 6 foldable APIs that shipped on September 18
Xcode 27.1 beta arrived on September 18 with the iPhone Duo simulator and 6 foldable-specific APIs in the iOS 27.1 SDK: Hinge API, Reserved Regions, Arrangement Views, vertical toolbars, direction-aware cameras, and camera capture accessory. Technical guide with real code to prep your app before October 23.
Sep 19, 2026 Read the article →
Xcode 27 Agent Skills in your favorite editor: one command puts Apple's 7 skills in Claude, Cursor, or Codex Sep 19 → Goodbye Simulator.app, hello Device Hub: the new device workshop in Xcode 27 Sep 19 → iOS 27 for your next app: what's worth adopting (and what's on its way out) Sep 14 → macOS CI/CD with Fastlane (part 5): GitHub Releases distribution Sep 13 → macOS CI/CD with Fastlane (part 4): auto-versioning and QA vs Release lanes Sep 12 → macOS CI/CD with Fastlane (part 3): notarization in depth Sep 11 →
Published apps