Apple has rolled out a new beta of macOS 10.14.1 Mojave for testing by developers enrolled into the pre-release shakedown program, one day after providing fifth-generation betas of iOS 12.1, tvOS 12.1, and watchOS 5.1.
The new builds are available to download via the Apple Developer Center by those taking part in the test program, though participants can also install the latest build by going to the "Software Update" facility in System Preferences. The public beta release is typically issued within a few days of the developer version, and can be acquired from the Apple Beta Software Program website, or updated by the same mechanism.
The fifth build of macOS 10.14.1 Mojave is 18B73a, replacing the fourth build, 18B67a.
Relatively few details about what Apple is adding to macOS in this release are known, but there are some additions that have already been revealed.
Group FaceTime, a feature that allows for up to 32 people to take part in the same video call, has made a reappearance after being pulled before the macOS 10.14 release. Similar to Group FaceTime on iOS 12.1, it has re-entered the betas for further testing before being made available for use by the general public.
Another addition to macOS is an extra 70 emoji, including the controversial bagel. For the most part, this is included so macOS matches iOS 12.1's emoji list, so users of both operating systems will see the same emoji symbols in messages.
Both AppleInsider and Apple itself advise users avoid installing beta releases on mission-critical hardware, due to the risk of data loss. Those seeking to try out beta software should do so on secondary non-essential devices, and to keep up-to-date backups of any important data before installing or updating the software.