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

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
Call Context in the Phone app understands when you’re speaking to certain businesses and proactively surfaces relevant information from across your apps, like a confirmation code or a reservation number

Cycle Tracking

Cycle deviation notifications that are suggestive of perimenopause can be received by those age 40 and over

Watch Faces

Siri Modular face features a rectangular complication that mirrors the top widget of the Smart Stack, which dynamically updates to show the most relevant widget, as well as a Siri complication to quickly invoke Siri

Smart Stack

Single-handed tap gesture enables you to tap your index finger and thumb together once to select a widget in the Smart Stack, even if your other hand is occupied
New suggestion widgets will be surfaced when most relevant to you, including a Parked Car location, birthday reminders for a close contact, balance changes on a transit card, Noise app after a loud noise notification, and more

System Improvements

Dynamic app grid highlights your most popular and recently used apps
Find My app is now consolidated into one app to show People, Devices, and Items with a map-centric interface
Media playback now starts faster
Workout app makes distance calculations during treadmill workouts even more accurate from the first step of every walk or run
Fitness app features more accurate route maps after workouts
Battery extension notifications may be proactively offered to disable certain features to increase battery life, including gestures, Start Workout reminders, and Raise to Speak method of invoking Siri
Shazam in the Smart Stack and Music Recognition app identifies songs offline without an internet connection and delivers results automatically when you’re back online
Liquid Glass refinements improve readability with more uniform refraction and improved contrast

For information on the security content of Apple software updates, please visit: https://support.apple.com/100100

Usage limits may apply for some Apple Intelligence features. To learn more, please visit: https://www.apple.com/apple-intelligence

Software updates, like this one, add new features and improvements that may affect performance and/or battery life. To learn more, please visit: https://support.apple.com/125039

Which watchOS 27 features and changes are you most excited about? Let us know in the comments.

*Buy Apple Watch with 15% discount from Apple refurbished