Apple details watchOS 27 features including redesigned Siri and expanded health tracking
Apple has published full release notes for watchOS 27, the major software update arriving alongside the new Apple Watch Series 12 and Watch Ultra 4. The update brings a more conversational Siri with natural-sounding voices, a dedicated Siri app, Apple Intelligence upgrades to Workout Buddy and Phone call context, expanded perimenopause-related cycle tracking, and a redesigned Siri Modular watch face.