With watchOS 27 getting closer to release, Apple is dealing with a rather unusual problem: some existing Apple Watch apps simply no longer work properly with the new operating system. Instead of waiting for every developer to release an update, Apple has chosen a more direct solution: updating the affected apps itself.
It is an almost invisible change for users, but one that says quite a bit about how Apple is preparing its ecosystem before the next major watchOS rollout.
Some apps no longer launch on watchOS 27
The issue emerged during the watchOS 27 beta cycle. Some users discovered that certain App Store apps would no longer launch after installing the new operating system.
Apple eventually identified the cause. The problem involves the arm64 portion of some watchOS app binaries, creating an incompatibility with watchOS 27.
That distinction matters. These are not necessarily abandoned apps or applications relying on obsolete features. The issue is more closely related to the technical compatibility of their executables.
And that is exactly what allows Apple to step in without requiring developers to change their code.
Apple is automatically republishing affected apps
Apple’s approach is unusual. The company appears to be automatically reprocessing and repackaging affected binaries before distributing a new version through the App Store.
Users may therefore see an app update even though its developer has not released one.
Apple makes this clear in the release notes accompanying these versions: the app has been updated by Apple to prepare it for watchOS 27 compatibility, with no new features included.
So there is no hidden feature or new button waiting after installation. The update exists purely to keep the app working.
Apple has told developers that it expects to complete the process by August 31.
An unusual intervention that makes sense
This is probably the most interesting part of the story. Normally, when a new operating system causes compatibility problems, developers are responsible for updating their apps.
This time, Apple is taking care of the issue itself.
From my perspective, it is a pragmatic decision. Waiting for every developer to update their software would create a messy situation: some apps would be fixed immediately, others weeks later, while a few might never receive an update at all.
For users, upgrading to watchOS 27 could then become an unpleasant lottery involving the apps already installed on their watches.
By stepping in before release, Apple reduces that risk without changing what those apps actually do.
watchOS 27 is getting closer to release
The timing also explains why Apple is acting now.
watchOS 27 beta 7, build 24R5358a, was released to developers on August 24. The operating system is clearly entering the final stretch of development before its public launch.
Apple says watchOS 27 will support the Apple Watch SE 3, Series 9, Series 10, Series 11, Ultra 2 and Ultra 3. An iPhone 11 or later, or a second-generation iPhone SE or newer running iOS 27, will also be required.
The public release is expected in September, giving Apple a few more weeks to resolve remaining compatibility issues.
watchOS 27 also introduces several changes, including updates to system apps, battery-related improvements and step-count synchronization between Fitness and Health.
What this decision actually changes
For Apple Watch owners, almost nothing changes on the surface. That is precisely the point.
An affected app may simply receive an App Store update and continue working after the move to watchOS 27. No specific action is required from the developer, while the application’s features remain unchanged.
The episode mainly demonstrates how far Apple can go to ensure a smooth transition between two generations of its operating system.
It is also an interesting reminder that, in this very specific situation, an App Store update does not necessarily come from a new version prepared by the app’s original developer.
A move designed to avoid a messy launch
I think Apple’s approach makes sense. The company controls watchOS, the App Store and the app distribution infrastructure, so using that control to solve a purely technical compatibility issue is more efficient than requiring hundreds of developers to intervene.
What matters is that this remains an exceptional practice. Automatically modifying application packages should obviously not become Apple’s standard procedure.
This case is different because the content and features of the apps are not being changed. The goal is simply to prevent previously functional apps from becoming unusable after installing watchOS 27.
It is a small technical operation happening behind the scenes, but one that could make the launch of Apple’s next smartwatch operating system considerably smoother.
FAQ
Why is Apple updating some Apple Watch apps itself?
Some apps have a compatibility issue with watchOS 27 involving their arm64 binaries. Apple is reprocessing them so they can continue working.
Do these updates add new features?
No. Apple explicitly states that no new features are included in these versions.
Do developers need to do anything?
Not for this specific issue. Apple is automatically reprocessing the affected applications.
When will the process be completed?
Apple told developers that the process should be completed by August 31, 2026.
When will watchOS 27 be released?
Apple has not announced the final public release date. The launch is expected in September 2026, with beta 7 already available.
I'm Clémentine Pithon, and as a technology enthusiast, I write articles to guide you through the world of refurbished devices. My goal is simple: to help you make informed choices, understand the products, and get the most out of them every day. Tips, explanations, and practical advice are at the heart of my articles.
