https://wccftech.com/download-watchos-5-1-beta-3-and-tvos-12-1-beta-3-now-available/

Developers can go ahead and download watchOS 5.1 beta 3 and tvOS 12.1 beta 3 onto their devices right away over the air.

If you are closely following how Apple is working on its software lineup then you already know that the company has been pretty busy lately. It recently released iOS 12.0.1 to developers alongside iOS 12.1 beta 2, but now the Cupertino giant is taking things further with the release of watchOS 5.1, tvOS 12.1 and iOS 12.1 beta 3.