As well as releasing the new beta of iOS 10.3, Apple also released a new beta of their desktop software in the form of macOS Sierra 10.12.4 Beta 6.
The macOS Sierra 10.12.4 Beta 6 software update has been released to both developers and members of Apple’s public beta testing program.
The new macOS Sierra 10.12.4 Beta 6 brings Apple’s Night Shift mode to the Mac and it also brings a rage of other features.
The software is available for registered developers and also members of Apple’s public beta testing program, we are expecting the update to be released to everyone some time within the next few weeks.
Source MacRumors