Apple on Tuesday seeded a fifth beta of what would become the fourth major update to Sierra. macOS Sierra 10.12.4 beta 5 (build 16E183b) can be deployed over the air on Macs with a prior beta and an appropriate configuration profile via the Mac App Store’s Updates tab. We’ll let you know if we find any outward-facing improvements in this beta.

The macOS Sierra 10.12.4 software update “improves the stability, compatibility and security of your Mac,” according to Apple’s official release notes.

The fifth beta follows macOS Sierra 10.12.4 beta 4 which was was released on February 27, after beta 3 on February 20, beta 2 on February 7 and the original developer-only beta of macOS Sierra 10.12.4 on January 24.

Aside from members of the Apple Developer Program, macOS and iOS betas are available for public beta testing to those enrolled to Apple’s Beta Software Program.

TUTORIAL: How to leave Apple’s Beta Software Program

When it releases publicly, macOS Sierra 10.12.4 will bring Night Shift Mode to your Mac. The feature was originally designed to help iOS users adjust the temperature of their display from cool to warm, manually or based on the time of day.

You can access Night Shift for Mac in System Preferences, Notification Center or via Siri. A dedicated preference pane lets you adjust when your Mac’s display will begin gradually shifting from blue to yellow to cut down on exposure to blue light, which is said to cause sleeping problems.

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In addition to Night Shift, macOS Sierra 10.12.4 includes Dictation support for Shanghainese, an updated PDF API fixing a few annoying bugs and a new iCloud Analytics feature while enabling Siri look-ups of Cricket schedules, scores and rosters for two new cricket leagues.

Spotted new features in the latest beta? Tip us via tips@iDownloadBlog.com.