# watchOS 27 drops Apple Watch Series 9 and adds Apple Intelligence

Source: https://idevice.com/new-watchos-27-rumor-tips-better-heart-rate-tracking-delayed-ai-health-coach
Published: 2026-06-08

## What happened

watchOS 27 drops Series 9, Ultra 1, and SE 2 while Apple's AI health coach is delayed and glucose monitoring leadership shifted to Zongjian Chen.

## Sources

- [Apple launches watchOS 27 with Siri AI, smarter fitness tools, and a redesigned Apple Watch experience](https://www.digitaltrends.com/wearables/apple-launches-watchos-27-with-siri-ai-smarter-fitness-tools-and-a-redesigned-apple-watch-experience/) (Digital Trends, 2026-06-08)
- [watchOS 27 Drops Support for Apple Watch Series 9, Ultra 1, SE 2, and Older](https://www.macrumors.com/2026/06/08/watchos-27-drops-support-for-apple-watch-series-9-ultra-se-2/) (MacRumors, 2026-06-08)
- [watchOS 27 Reportedly Bringing Better Heart-Rate Tracking, Apple Delays AI Health Coach](https://www.macobserver.com/news/watchos-27-reportedly-bringing-better-heart-rate-tracking-apple-delays-ai-health-coach/) (The Mac Observer, 2026-05-25)
- [Report: watchOS 27 to improve heart-rate tracking; AI health coach may not debut at launch](https://9to5mac.com/2026/05/24/apple-improving-heart-rate-tracking-in-watchos-27-mulberry-health-coach-delays/) (9to5Mac, 2026-05-24)
- [watchOS 27: All the new features coming to Apple Watch later this year](https://www.tomsguide.com/wellness/smartwatches/watchos-27-all-the-new-features-coming-to-apple-watch-later-this-year) (Tom's Guide, 2026-06-08)
- [New watchOS 27 Rumor Tips Better Heart-Rate Tracking, Delayed AI Health Coach](https://www.pcmag.com/news/new-watchos-27-rumor-tips-better-heart-rate-tracking-delayed-ai-health) (PCMag, 2026-05-25)
- [Heart rate tracking improvements are about all that's expected in watchOS 27](https://appleinsider.com/articles/26/05/24/heart-rate-tracking-improvements-are-about-all-thats-expected-in-watchos-27?utm_source=rss) (AppleInsider, 2026-05-24)