AI
Apple opens Siri AI to every app developer: how App Intents and SKILL.md skills work, and why you can't ship until spring
With the 27.3 betas, Apple opened a Siri AI Developer Preview that lets any app expose actions, content and multi-step "skills" to its new assistant. You can build and test now. You can't ship to the App Store until spring, iPhone users in the EU can't use Siri AI yet, and server-side usage has daily limits Apple hasn't quantified.