Apple is launching a new software update for its Mac operating system soon. Ahead of it, the Cupertino giant is seeding another beta version to developers for testing purposes. The new beta build comes a month after macOS Sierra 10.12.2 was released to the public.

On Monday, Apple seeded the third beta version of macOS Sierra 10.12.3, with build code 16D25a, to developers without saying if the new build contains bug fixes, new features and certain changes. Per the release notes of the build, however, it improves a Mac device’s “stability, compatibility and security,” as pointed out by MacRumors.

Apple has yet to supply developers with detailed release notes, so it isn’t clear yet what tweaks this third beta software has. The first two betas did not include bug fixes and new features, so many are hopeful that this new build would bring something new to the table.

The macOS Sierra 10.12.3 beta 3 is only available to registered developers — those who have accounts in the Apple Developer Center. The account is needed because it provides one with access to the MacOS Sierra Developer Beta Access Utility, which is downloadable from the Center.

For registered developers, there are two ways to download the new beta software for installation. The first one is through the MacOS Sierra Developer Beta Access Utility. Once the tool is installed on the Mac device, one can download the new beta by clicking Software Update from the Apple menu.

Another way of downloading the third beta build is by clicking the Updates panel of the Mac App Store. This will notify the user if the macOS developer beta is available for download. The notification also has a button that initiates the installation process, as per iClarified.

The release of the new beta to developers signals the imminent launch of the same software update to users who are enrolled in the beta testing program of the tech company.

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