Apple yesterday for its major operating platform released the latest developer test version, Sure enough, today for beta users of a new round of beta (B4) has also been released, of course, this does not include watchOS (the current The system has not yet provided a beta version).
Apple today for the beta users to bring iOS 11 Beta 4, it should be yesterday's developer Beta 5, as the camera and set the icon to bring the adjustment and a series of other improvements.
Similarly, the public version of the MacOS High Sierra Beta 4 is also scheduled to release, is expected to update this will be to improve the stability and repair Bug-based, and yesterday's developer test version of the update is about the same. High Sierra brings Apple File System to users, as well as HEVC support, as well as improved native applications.
In addition, Apple also for Apple TV beta users brought tvOS 11 Beta 4, is expected to update this will be to improve the stability and repair Bug-based. TvOS 11 brings the user's main screen sync, day / night mode auto-switching, and full support for AirPods.
If you have already installed the beta version of these systems, you may now be able to update it.