Apple posts second developer beta of macOS Sierra 10.12.4

Apple has released a second developer beta of macOS Sierra 10.12.4. It can be be downloaded from the Apple Developer Center — if you’re a registered developer, that is.

macOS Sierra 10.12.4 brings iOS's Night Shift mode to the Mac, allowing users to cut down on blue light exposure. It also includes Shanghainese dictation support, cricket scores for Siri, and PDFKit improvements.