Apple ecosystem · iOS · macOS · Swift
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Slekens' technical blog on iOS and macOS development. Swift, SwiftUI, architecture and testing — in Spanish and English.
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App StoreApp Store Connect New
App Store Connect, part 2: screenshots in 2026 and what iPhone Duo requires
Which screenshot sizes are required today, the iPhone Duo sizes and the April 2027 deadline, App Review's guidance on what your screenshots must show, and a checklist to get your page ready before October 23.
Oct 14, 2026 Read the article →
App Store Connect, part 1: creative assets and the Asset Library Oct 13 → Agent Skills, part 2: what to install depending on the kind of app Oct 7 → Agent Skills, part 1: the essential set I keep installed for Apple development Oct 6 → Agent Skills, part 0: what they are and why they matter if you build for Apple platforms Oct 5 → iPhone Duo with Xcode 27.1: the 6 foldable APIs that shipped on September 18 Sep 19 → Xcode 27 Agent Skills in your favorite editor: one command puts Apple's 10 skills in Claude, Cursor, or Codex Sep 19 →
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