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Apple on Wednesday pushed out a new batch of developer betas, with participants in Apple's testing program now able to shake down the third developer betas of macOS 10.14.2, iOS 12.1.1. and tvOS 12.1.1, as well as the second developer beta for watchOS 5.1.2.
Developers taking part in the test program can perform an over-the-air update on their devices for the new builds, or can trigger downloads from the Apple Developer Center. The public beta versions of each operating system are usually made available via the Apple Beta Software Program website shortly after the release of the developer beta counterparts.
So far, it seems the move to iOS 12.1.1 is more of an incremental build with relatively few changes, rather than one introducing major new features, so the vast bulk of changes is likely to relate to bug fixes and performance improvements.
FaceTime does have some changes, including the option to take a Live Photo during calls, and a refreshed bottom bar includes buttons for muting and switching the camera, along with other actions.
The macOS Mojave 10.14.2 betas have so far offered few major changes to the desktop operating system, suggesting it will feature bug fixes and performance improvements more than new features.
The watchOS 5.1.2 beta is largely expected to include new complications for the Infograph and Infograph Modular faces, adding extra elements for Messages, Home and Mail.
The previous release, watchOS 5.1.1, is notable for shipping without a beta, with it seemingly fixing an issue that caused some users upgrading to version 5.1 to brick their Apple Watch during installation.
It is likely the tvOS 12.1.1 release is a bug fix version, considering the incremental change of the version number, and that little has been unearthed about its improvements in the betas so far. Again, it seems to be a performance and compatibility release.
AppleInsider, and Apple itself, strongly advise beta users to keep from installing the software on "mission-critical" hardware, such as primary devices, due to the potential for data loss, among other possible issues. It is recommended that secondary or non-essential hardware gets used for beta testing, and that regular backups of any important data are performed.