Apple has released macOS Sierra 10.12.4 for download.
The macOS Sierra 10.12.4 update improves the stability, compatibility, and security of your Mac, and is recommended for all users.
This update: ● Adds Night Shift for automatically shifting the colors in your display to the warmer end of the spectrum after dark. ● Adds Siri support for cricket sports scores and statistics for Indian Premier League and International Cricket Council ● Adds Dictation support for Shanghainese ● Resolves several PDF rendering and annotation issues in Preview ● Improves the visiblity of the subject line when using Conversation View in Mail ● Fixes an issue that may prevent content from appearing in Mail messages
You can download macOS Sierra 10.12.4 from the Mac App Store.