watchOS 27 code reveals four changes for Apple Watch Ultra 4, more

Live updates

1. 29d ago

   watchOS 27 Brings Core Software Changes and Navigation Redesigns

   Apple released watchOS 27 on September 14, introducing a permanent removal of Walkie-Talkie and a rearrangement of core navigation gestures. The software update brings a revamped Siri application, new health alerts, smarter fitness tracking, a redesigned app experience, a new Tap gesture, and smarter Smart Stack suggestions. While previous reports indicated specific features for the Apple Watch Ultra 4, the general watchOS 27 rollout focuses heavily on interface alterations and system enhancements across compatible Apple Watch devices.

   Why it matters

   Major software iterations for wearable devices frequently overhaul interface navigation to streamline user interaction. The permanent removal of established features like Walkie-Talkie alongside gesture rearrangements indicates a shift in how Apple structures core smartwatch controls. Users examining the watchOS 27 ecosystem must adapt to these layout changes while evaluating how updated health alerts and fitness tracking integrate into daily routines.

   What is confirmed

   • Apple released watchOS 27 on September 14.
   • watchOS 27 permanently removes Walkie-Talkie and rearranges core navigation gestures.
   • The update adds a revamped Siri app, new health alerts, and smarter fitness tracking.
   • watchOS 27 brings a redesigned app experience, a new Tap gesture, and smarter Smart Stack suggestions.

   What to watch next

   • Observation of user adoption rates following the removal of Walkie-Talkie.
   • Further developer insights into upcoming minor point releases such as watchOS 27.2.
   Sources used for this update (7)

   1. www.gq-magazine.co.uk — The 2026 GQ Tech Awards
   2. www.gotechtor.com — 10 New watchOS 27 Features That Can Make Your Apple Watch ...
   3. www.gadgethacks.com — Logitech G Unveils 15 New Next-Generation Gaming Products at Global PLAY 2026 Event :: Gadget Hacks
   4. apple.gadgethacks.com — Is AppleCare Worth It? A Cost-Based Guide for iPhone Owners << Apple :: Gadget Hacks
   5. apple.gadgethacks.com — Why Safari's Notify Me Feature Needs a Faster Check Interval << Apple :: Gadget Hacks
   6. www.timesnownews.com — WatchOS 27: 7 New Things To Try On Your Apple Watch After The ...
   7. 1001rss.com — watchOS 27: 12 New Things To Check Out on Your Apple Watch
   confidence 90%
2. 31d ago

   watchOS 27 code reveals Apple Watch Ultra 4 features

   Apple Watch Ultra 4 users will have exclusive watch face bezel customization options and a new Health Sensing System for frequent health metric tracking. The update also includes a Readiness score and battery-saving features without a subscription. Additionally, watchOS 27.2 code indicates iPhone-style screenshot previews will be added to smartwatches.

   Why it matters

   These findings surface as users monitor the rollout of software features following the September hardware release. The updates aim to enhance user experience and provide more health-focused features.

   What is confirmed

   • Apple Watch Ultra 4 users gain access to exclusive watch face bezel customization options.
   • The new Health Sensing System is designed for frequent health metric tracking.
   • A Readiness score is included in the update.
   • watchOS 27 was released on September 14.
   • Apple released watchOS 27.0.1 for additional models.

   Still unconfirmed

   • watchOS 27.2 code indicates iPhone-style screenshot previews will be added to smartwatches.

   What to watch next

   • The release of watchOS 27.2
   • Further updates on the Health Sensing System
   • Details on the rollout of iPhone-style screenshot previews
   Sources used for this update (9)

   1. 9to5mac.com — watchOS 27 Archives - 9to5Mac
   2. www.iclarified.com — Apple News
   3. www.macrumors.com — watchOS 27: 12 New Things To Check Out on Your Apple Watch
   4. www.ithinkdiff.com — Every watchOS 27 Watch Face Change, from Siri Modular to 13 New Modular Colors
   5. www.macrumors.com — Apple Releases watchOS 27.0.1 for Additional Models
   6. support.apple.com — About watchOS 27 Updates - Apple Support
   7. www.absolutegeeks.com — watchOS 27 features explained: what’s actually worth your ...
   8. appleosophy.com — Apple rolls out watchOS 27.0.1 for Apple Watch Series 12 and ...
   9. www.squaredtech.co — watchOS 27 features: 12 Key Changes for Apple Watch
   confidence 90%
3. 34d ago

   watchOS 27.2 Code Reveals Screenshot Overhaul and Ultra 4 Features

   Apple Watch Ultra 4 users gain access to exclusive watch face bezel customization options alongside a new Health Sensing System designed for frequent health metric tracking. Reviewers highlight the inclusion of a Readiness score and battery-saving features that operate without a subscription. Meanwhile, newly discovered watchOS 27.2 code indicates that upcoming software will bring iPhone-style screenshot previews to smartwatches, allowing users to share or delete captures directly from a preview interface. These findings surface as users monitor the rollout of software features following the September hardware release.

   Why it matters

   Apple released the Apple Watch Ultra 4 alongside the Series 12 on September 14, followed by a minor watchOS 27.0.1 update on September 23 to resolve a restart bug. The new hardware leans heavily into health tracking and recovery metrics. Code discovered in upcoming beta updates suggests Apple continues to refine core operating system functions like screenshots.

   What is confirmed

   • The Apple Watch Ultra 4 includes exclusive watch face bezel customization options.
   • The Apple Watch Ultra 4 features a Health Sensing System for frequent health metric tracking.
   • The Apple Watch Ultra 4 provides a Readiness score and battery-saving capabilities without requiring a subscription.
   • WatchOS 27.2 code reveals a hidden overhaul for Apple Watch screenshots that mimics iPhone functionality.

   Still unconfirmed

   • WatchOS 27.2 is scheduled to launch next month.

   What to watch next

   • Official release of watchOS 27.2 featuring the iPhone-style screenshot preview tools.
   • User monitoring of promised Ultra 4 capabilities and the missing handwashing timer.
   Sources used for this update (5)

   1. 9to5mac.com — Apple Watch Ultra 4 includes a new watch face bezel option
   2. appleinsider.com — Apple Watch Ultra 4 review: An end-to-end health ecosystem
   3. www.cnet.com — Apple Watch Ultra 4 Gets Serious About Recovery, Without the Subscription
   4. 9to5mac.com — watchOS 27.2 includes hidden overhaul for Apple Watch screenshots
   5. www.macrumors.com — watchOS 27.2 Code Hints at iPhone-Style Screenshot Previews
   confidence 100%
4. 36d ago

   Apple releases watchOS 27.0.1 to fix restart bug

   Apple launched watchOS 27.0.1 on September 23 to resolve a restart bug affecting the latest operating system. This minor update follows the September 14 release of the Apple Watch Ultra 4 and Series 12. While the new software introduces Siri AI and Audio Intelligence, users continue to monitor the availability of promised Ultra 4 capabilities and the missing handwashing timer. Meanwhile, beta code for iOS 27.2 suggests future updates for CarPlay Ultra and Apple Music.

   Why it matters

   The Ultra 4 launched with a 74-hour battery life and an S11 chip. Early software instability has led to rapid patching of the watchOS 27 ecosystem.

   What is confirmed

   • Apple released watchOS 27.0.1 on September 23.
   • The watchOS 27.0.1 update fixes a restart bug.

   Still unconfirmed

   • iOS 27.2 beta code indicates new features for CarPlay Ultra and Apple Music.

   What to watch next

   • Release of iOS 27.2 public beta
   • Confirmation of the return of the handwashing timer
   • Deployment of missing Ultra 4 hardware capabilities
   Sources used for this update (3)

   1. 9to5mac.com — iOS 27.2 reveals new features coming to Apple Music, CarPlay, more
   2. www.macrumors.com — Apple Releases watchOS 27.0.1 With Fix for Restart Bug
   3. www.zdnet.com — My favorite 5 Watch OS 27 upgrades – and how to try them yourself
   confidence 100%
5. 40d ago

   Apple Watch Ultra 4 launches with S11 chip and battery gains

   Apple released the Apple Watch Ultra 4 and Series 12 on September 14. The Ultra 4 retains a 799 dollar price point while introducing an S11 chip, upgraded health sensors, and a 74-hour battery life. The latest watchOS 27 update adds Audio Intelligence and a dedicated Siri app for conversation management. However, early reports indicate the handwashing timer is missing from both new models, and some promised capabilities for the Ultra 4 remain unavailable.

   Why it matters

   Hardware updates focus on internal performance and battery longevity rather than aesthetic changes. These releases coincide with software shifts that remove certain features from older watch models.

   What is confirmed

   • Apple released the Apple Watch Series 12 and Ultra 4 on September 14.
   • The Apple Watch Ultra 4 costs 799 dollars.
   • watchOS 27 includes a dedicated Siri app and Audio Intelligence.

   Still unconfirmed

   • The handwashing timer feature is absent from the Series 12 and Ultra 4.

   What to watch next

   • Apple's response to the missing handwashing timer feature
   • Release dates for the currently unavailable Ultra 4 capabilities
   Sources used for this update (3)

   1. www.nbcsports.com — Bundesliga 2026-27 season schedule: How to watch live, results, scores
   2. www.pcmag.com — Apple Watch Ultra 4 vs. Ultra 3: How Much 'Ultra' Do You Actually Get for $799?
   3. 9to5mac.com — Apple Watch Series 12 and Ultra 4 missing one health-focused feature
   confidence 90%
6. 42d ago

   Apple launches watchOS 27 and new Apple Watch hardware

   Apple released watchOS 27 on September 14 alongside the Apple Watch Series 12 and Ultra 4. The update introduces a dedicated Siri app for managing ongoing conversations and a new Audio Intelligence feature set for the latest models. While the hardware focuses on internal improvements, some users on older models will lose existing features due to the update. Reviewers note that several promised capabilities for the Ultra 4 are not yet available.

   Why it matters

   The release of watchOS 27 aligns with Apple's annual hardware refresh. This cycle emphasizes AI integration through Audio Intelligence and Siri enhancements. The shift creates a performance gap between the latest models and previous generations.

   What is confirmed

   • Apple released watchOS 27 on September 14.
   • Apple launched the Apple Watch Series 12 and Apple Watch Ultra 4.

   Still unconfirmed

   • watchOS 27 removes a useful feature from older Apple Watch models.

   What to watch next

   • Release of missing software features for the Ultra 4.
   Sources used for this update (3)

   1. 9to5mac.com — Apple Watch Series 12 and Ultra 4 review: More personal than ever before
   2. mashable.com — Apple Watch Ultra 4 Review: The smartwatch for the health-conscious
   3. www.macrumors.com — PSA: watchOS 27 Removes This Useful Feature From Your Apple Watch
   confidence 90%
7. 43d ago

   watchOS 27 introduces dedicated Siri app for chat continuity

   Apple has added a dedicated Siri app to watchOS 27 that allows users to continue existing conversations. This feature is available alongside the global rollout of the operating system and the release of the Apple Watch Series 12 and Ultra 4. While the app provides a way to manage ongoing chats, 9to5mac reports that the interface is somewhat hidden compared to versions found on iPad and iPhone.

   Why it matters

   The update arrives during a major hardware cycle featuring the S11 chip. It integrates AI-powered Siri enhancements with new fitness and health tools. This shift moves Siri from a voice-command tool to a persistent application on the wrist.

   What is confirmed

   • Apple released watchOS 27 globally.
   • The Apple Watch Series 12 and Ultra 4 use the S11 chip.
   • watchOS 27 includes a dynamic app grid and a single-tap gesture.

   Still unconfirmed

   • The new Siri app is more hidden than the iPhone and iPad versions.

   What to watch next

   • User feedback on Siri app discoverability
   • Performance benchmarks for the S11 chip
   • Additional watchOS 27 feature patches
   Sources used for this update (2)

   1. www.cnet.com — ‘Reacher’: When to Watch the Season 4 Finale on Prime Video
   2. 9to5mac.com — watchOS 27: Siri app lets you continue existing chats, though it’s a bit hidden
   confidence 90%
8. 45d ago

   Apple Releases watchOS 27 With Siri AI and S11 Chip Support

   Apple has officially released watchOS 27, bringing an AI-powered Siri overhaul, a dynamic app grid, a new single-tap gesture, and expanded health and fitness capabilities to compatible Apple Watches. The software update coincides with the launch of the newly introduced Apple Watch Series 12 and Apple Watch Ultra 4, which were revealed by Apple last week. Both flagship watch models are powered by the new S11 chip. The operating system update is rolling out now to users globally alongside other major platform software releases from Apple.

   Why it matters

   The rollout of watchOS 27 follows Apple's recent hardware announcements for the Apple Watch Series 12 and Apple Watch Ultra 4. Developers previously discovered via Xcode 27 that these new wearable models feature 4GB of RAM, doubling the memory capacity of their predecessors. While Apple did not highlight the hardware upgrade during its September event, the devices arrive alongside the broader integration of Apple Intelligence features across the company's software ecosystem.

   What is confirmed

   • Apple has released watchOS 27 with an AI-powered Siri overhaul, a dynamic app grid, a new single-tap gesture, and expanded health and fitness features.
   • Apple introduced the Apple Watch Series 12 and Apple Watch Ultra 4 last week, featuring the S11 chip.
   • Apple's latest software updates introduce Siri AI and deliver helpful new Apple Intelligence features.

   What to watch next

   • Monitoring retail availability of the Apple Watch Series 12 and Apple Watch Ultra 4 at the end of the week.
   • Observing user feedback and performance metrics regarding the watchOS 27 roll-out and Siri AI reliability.
   Sources used for this update (8)

   1. www.apple.com — Major updates for Apple’s software platforms are now available
   2. www.pcmag.com — Apple Watch Series 12 vs. Ultra 4: 7 Key Differences You Need to Know Before Buying
   3. www.theverge.com — Apple releases iOS 27 with Siri AI overhaul
   4. 9to5mac.com — watchOS 27 now available for Apple Watch, here’s what’s new
   5. www.macstories.net — watchOS 27: The MacStories Review
   6. appleinsider.com — Apple brings smarter Siri and better health tracking to Apple Watch in watchOS 27
   7. 9to5mac.com — tvOS 27 available now for Apple TV 4K, here’s everything new
   8. www.theapplepost.com — Apple releases watchOS 27 with Siri AI, dynamic app grid and new gestures
   confidence 100%
9. 47d ago

   Apple Watch Ultra 4 and Series 12 double RAM to 4GB

   The Apple Watch Ultra 4 and Series 12 feature 4GB of RAM, doubling the 2GB found in the Ultra 3 and Series 11. MacRumors confirmed this hardware upgrade via Apple's Xcode 27 developer tool. Apple did not mention the memory increase during its September 2026 event. These watches arrive alongside the foldable iPhone Ultra and a watchOS 27 update scheduled for release next week. The Ultra 4 specifically emphasizes improved battery life and advanced health and fitness features for adventure users.

   Why it matters

   CEO John Ternus led the September 2026 keynote where these devices were debuted. The hardware updates coincide with the launch of watchOS 27, which introduces a Siri Modular watch face.

   What is confirmed

   • The Apple Watch Series 12 and Apple Watch Ultra 4 are equipped with 4GB of RAM.
   • The Apple Watch Series 11 and Apple Watch Ultra 3 have 2GB of RAM.
   • Apple's developer tool Xcode 27 contains the RAM specifications for the new models.
   • watchOS 27 is scheduled for release next week.

   What to watch next

   • Official Apple confirmation of the RAM specifications
   • Public release of watchOS 27
   • Performance benchmarks comparing 2GB and 4GB models
   Sources used for this update (5)

   1. www.macrumors.com — Newer Posts
   2. 9to5mac.com — Apple Watch Ultra 4 and Series 12 have surprise upgrade that wasn’t announced
   3. 9to5mac.com — watchOS 27: Here are Apple’s full release notes for new update
   4. www.macrumors.com — Apple Watch Series 12 and Apple Watch Ultra 4 Have a Pleasant Surprise
   5. sports.yahoo.com — How to watch Premier League 2026-27 for *FREE*
   confidence 100%
10. 50d ago

    Apple Watch Ultra 4 and watchOS 27 Details Revealed

    Apple introduced the Apple Watch Ultra 4 during its September 2026 event, highlighting improved battery life and advanced health and fitness features for the adventure watch. Code from watchOS 27 additionally pointed to four distinct changes for the hardware alongside a new Siri Modular watch face. Apple confirmed that the watchOS 27 upgrade is scheduled for release later this month. Concurrently, the keynote marked the first event led by new Apple CEO John Ternus, featuring announcements for the Apple Watch Series 12 and the foldable iPhone Ultra.

    Why it matters

    The September Apple keynote serves as the primary platform for annual hardware rollouts, though this year marked a leadership shift with John Ternus taking the helm. Observers tracked the event for updates on both the Series 12 and the new Ultra 4 models. Software updates like watchOS 27 often introduce interface adjustments and new watch faces that define the upcoming hardware cycle.

    What is confirmed

    • Apple introduced the Apple Watch Ultra 4 on September 9, 2026.
    • The Apple Watch Ultra 4 features improved battery life and new health and fitness functions.
    • John Ternus is the new Apple CEO who helmed the September 2026 keynote event.
    • watchOS 27 is scheduled for release in September 2026.

    Still unconfirmed

    • Apple Watch Series 12 copies a feature from Oura and Whoop.
    • The Apple Watch Series 12 may feature minimal differences compared to predecessor models.

    What to watch next

    • The public release of watchOS 27 later this month
    • User testing and battery benchmark results for the Apple Watch Ultra 4
    Sources used for this update (10)

    1. www.cnet.com — Apple Event 2026 Live: The First Foldable iPhone, iPhone 18 Pro, Apple Watch 12 and More
    2. 9to5mac.com — watchOS 27 code reveals four changes for Apple Watch Ultra 4, more
    3. Forbes — Apple Event: What To Expect From Apple Watch Series 12 And Ultra 4
    4. AppleInsider — Apple Watch Series 12 may not be much different, but watchOS 27 still has surprises
    5. MacRumors — Apple Watch Ultra 4 to Get Improved Battery Life
    6. PhoneArena — Apple Watch Series 12 reported to copy a beloved Oura and Whoop feature
    7. tech.yahoo.com — Apple Event 2026 Live: The First Foldable iPhone, iPhone 18 Pro, Apple Watch 12 and More
    8. finance.yahoo.com — Apple unveils Apple Watch Ultra 4
    9. 9to5mac.com — watchOS 27 upgrade coming to Apple Watch this month
    10. 9to5mac.com — watchOS 27 will add new Siri Modular face for Apple Watch
    confidence 95%