Almost two weeks after the first, Apple today released the second beta versions of iOS 10.1 (compilation 14B67), from watchOS 3.1 (14H464) and the tvOS 10.0.1 (14U66) very soon the new build of iOS 10.1 will also be available in the Apple Beta Software Program, as always.
The big news of iOS 10.1, as we said, the addition of Portrait Mode (Portrait) in the Camera app on iPhones 7 Plus; on the other systems, we're basically talking about performance improvements and bug fixes.
Obviously, if more news comes up, we will inform you here. ?
On a related note, the macOS 10.12.1 it is already in its third beta version (which was released just yesterday).
Update · 10/05/2016 s 14:20
Apple Beta Software Program participants can now test the second beta version of iOS 10.1.