
Updates the securitycommand to include the delete-identityoption, which deletes both a certificate and its private key from a keychain.For details, enter mansecurityin Terminal.For details, enter man tethered-caching in Terminal. Adds the tethered-caching command, which optimizes certain downloads for iOS devices tethered via USB.Adds support for more digital camera RAW formats.


Adds Siri support for cricket scores, schedules, and player rosters from the Indian Premier League and International Cricket Council.Adds Night Shift for automatically shifting the colors in your display to the warmer end of the spectrum after dark.

The macOS Sierra 10.12.4 Update improves the stability, compatibility, and security of your Mac, and is recommended for all users. This update is recommended for all macOS Sierra users.
