Apple has released the second public beta version of macOS 10.12.4 which includes Night Shift for Mac. macOS 10.12.4 public beta 2 follows the second developer version of the upcoming software update.
These are the new features included in macOS 10.12.4 beta:
Night Shift now available on the Mac.
Dictation support for Shanghainese.
Ask Siri about cricket scores, schedules and player rosters. Siri knows about statistics and data from the Indian Premier League and International Cricket Council.
Updated PDFKit APIs for better displaying of PDFs in apps that use the framework.
iCloud Analytics opt-in
Touch Bar support for Mac App Store, tweaked volume slider