In 2020, we introduced Apple Silicon for Mac computers, providing Rosetta as a translation layer during the transition period. As announced at WWDC last year, we are now completing this transition.
What this means for developers who have macOS apps:
- macOS 26.4 or later: Users may receive a system notification when launching apps that rely on Rosetta, alerting them to update to an Apple Silicon native version.
- macOS 27: Final release to support Rosetta – Intel-only apps no longer run on Mac computers with Apple silicon after this update.
Please note that Rosetta functionality for older, unmaintained game titles that rely on Intel-based frameworks will continue to be supported.
What you need to do:
To ensure that your apps remain available and your users are not interrupted by system notifications, add Apple Silicon Support to your apps now.
- If you haven’t updated your app yet: Start the transition right away. Build and distribute your app as a universal binary that runs natively on Apple Silicon and Intel-based Mac computers.
Optimize your app for Apple Silicon
Port your macOS apps to Apple Silicon
Visit the Apple Developer Forums
- If you already own an Apple Silicon version: Enter your users directly. Encourage them to download and install your latest native version to avoid the notifications on macOS 26.4 or later and ensure the app will run when macOS 27 ships this fall.