Apple has released the third developer beta of macOS Golden Gate 27.2, continuing testing of the next update for Mac computers. The new build arrives two weeks after the second beta and is available now to registered developers through System Settings.

macOS Golden Gate 27.2 is expected to bring several visible changes, including Siri AI support in additional languages and new sliders for adjusting display brightness and system volume. Apple is currently testing the update ahead of a broader release expected toward the end of October.

What’s new in macOS Golden Gate 27.2

The update’s headline change is expanded language support for Siri AI. Apple has not provided further details about which languages are included in this beta, but the addition indicates that the company is continuing to broaden the feature’s availability on Mac.

The beta also includes new brightness and volume sliders. These controls will give users updated on-screen interfaces for changing two frequently used system settings. The available information does not specify whether the sliders represent a broader design change across macOS or are limited to this release.

How developers can install the beta

Registered developers can access the third beta through the Software Update section in macOS. To check for the release, open System Settings, choose General, then select Software Update. Developers must opt in to macOS Golden Gate beta updates before the build appears.

Beta software is intended for testing and may contain unfinished features or other issues. Users who rely on their Mac for important work should consider that before installing the update on a primary computer.

macOS Golden Gate 27.2 release timing

Apple has not announced a specific public release date for macOS Golden Gate 27.2. Current expectations point to a launch toward the end of October, following additional testing and refinement.

The third developer beta gives Apple another opportunity to evaluate the new Siri AI language support and updated system controls before the update reaches a wider audience. More changes could appear in later beta builds before the final version becomes available.