Apple has officially released the first developer beta of macOS 27 Golden Gate, giving developers early access to the next major software update for Mac. The new release focuses on performance improvements, Siri upgrades, Apple Intelligence enhancements, and refinements to the Liquid Glass design introduced last year. The beta arrives shortly after Apple’s WWDC 2026 keynote.
macOS 27 is currently available to registered developers, while a public beta is expected to arrive in the coming weeks. The final version will likely roll out later this year.
How to Install macOS 27 Beta 1
If you’re a registered developer, follow these steps:
- Open System Settings on your Mac.
- Click General.
- Select Software Update.
- Choose Beta Updates.
- Select macOS 27 Developer Beta.
- Download and install the update.
Before installing, make sure you back up your Mac, as beta software may contain bugs and stability issues.
Siri Gets a Major Upgrade
One of the biggest additions in macOS 27 is the new Siri AI experience. Apple has introduced a dedicated Siri app and deeper integration across the system. Users can ask Siri to compare documents, understand on-screen content, and help complete tasks across apps.
Improved Search Across macOS
Apple has rebuilt the system search experience with faster indexing. Files, emails, photos, and other content can now appear almost instantly after being added to the Mac. Siri queries can also be typed directly into Spotlight.
Liquid Glass Design Refinements
After mixed feedback on last year’s interface redesign, Apple has updated the Liquid Glass experience. Users can now adjust transparency levels with a dedicated slider, making the interface easier to customize and read. Apple has also refined window corners, toolbars, and sidebar designs throughout the system.
Visual Intelligence Comes to Mac
macOS 27 introduces Visual Intelligence features that can understand content on your screen. Users can capture information from schedules, webpages, and documents, then quickly create calendar events or ask contextual questions.
Faster Performance
Apple says macOS 27 includes several under-the-hood improvements focused on speed and responsiveness. App loading has been optimized, and the company has improved many core system technologies to deliver a smoother experience.
Apple Silicon Only
macOS 27 drops support for Intel-based Macs. The update is available exclusively for Macs powered by Apple Silicon processors, including M1 and newer models.
Final Thoughts
The first macOS 27 beta brings a stronger focus on AI, better system performance, smarter search capabilities, and a more refined interface. While this is still an early developer build, it offers a good look at what Mac users can expect later this year.
If you’ve already installed the update, let us know your experience in the comments.
