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watchOS 27: Here are Apple’s full release notes for new update

2026-09-10 | original
read original get Apple Watch Series 11 (GPS, 42mm) → more articles
Why This Matters

watchOS 27 brings Apple's long-delayed, more conversational Siri to the wrist, along with Apple Intelligence features like an iPhone-free Workout Buddy and Call Context in Phone. Because these arrive as a free software update, existing Apple Watch owners get meaningful new capabilities without buying the new Series 12 or Ultra 4. It also signals how Apple is threading its AI strategy across devices, with some voice features gated to newer iPhones.

Key Takeaways
Worth a Look

Apple Watch Series 11 (GPS, 42mm) — If watchOS 27's new conversational Siri, health features, and redesigned apps have you eyeing an upgrade, the Apple Watch Series 11 is a great way in without waiting on the newest model. It runs the latest watchOS features, tracks workouts and sleep, and pairs seamlessly with your iPhone for notifications and calls right from your wrist.

See Apple Watch Series 11 (GPS, 42mm) on Amazon → Affiliate link — we may earn a commission on purchases, at no extra cost to you. Product picked by AI based on this article; it is not a tested recommendation.

watchOS 27 launches next week, the major new Apple Watch update. Here are Apple’s official release notes detailing what’s new in watchOS 27.

Here are the full watchOS 27 release notes from Apple

Yesterday Apple unveiled the Apple Watch Series 12 (pre-order) and Apple Watch Ultra 4 (pre-order), its newest models with powerful chip upgrades, an all-new Health Sensing System, and more.

But even if you don’t buy a new Apple Watch, there are major additions coming via the watchOS 27 software update for existing Watch users. Here’s what’s coming, per Apple’s official release notes:

Siri AI

A more capable and conversational version of Siri is rolling out to users. It helps you find what you need and get more done, drawing on capabilities like personal context understanding, app actions, onscreen awareness, and access to broad world knowledge

New voice experience offers more expressive and natural-sounding voices, and lets you customize expressivity and pace to make Siri more personal to you using powerful on-device models on paired iPhone Air and iPhone 17 Pro models and later

Dedicated Siri app provides an easy way to revisit an existing conversation or kick off a new one, and privately syncs conversations across your Apple products with iCloud

Apple Intelligence across apps

Workout Buddy delivers motivation with new insights and is now available without your iPhone nearby when you have a Wi-Fi or cellular connection

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Explore topics: watchos 27 apple watch series 12 siri apple intelligence workout buddy
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