Apple Watch Series 9 finally cleared for watchOS 27 after listing glitch
Apple has confirmed that watchOS 27 will run on the Apple Watch Series 9, despite the official compatibility page briefly omitting it and beta users already able to install the update on Series 9. The release also introduces the Siri AI app, new workout data insights, and Spanish support for Workout Buddy, with ongoing updates to the compatibility listing expected after WWDC 2026.