Apple has released a third set of developer betas for iOS 12.1, tvOS 12.1, and watchOS 5.1, right on the usual two-weeks schedule. The latest set of betas once again include release notes, now in HTML instead of PDF form, although details remain vague. The third iOS 12.1 beta (build 16B5077c) simply specifies “no notes or known issues,” although other sources have already discovered support for the promised Group FaceTime feature and Dual-SIM…
