According to Apple, the Sierra 10.12.3 update also includes improvements to the automatic graphics switching for the 2016 model of the 15-inch MacBook Pro released last October. The macOS Sierra 10.12.4 update improves the stability, compatibility, and security of your Mac. The previous version also had issues with transferring images from third-party devices like digital cameras and this is also fixed.
Apple described only the 18 bugs patched by the update. Among those is the first beta of macOS 10.12.4, which brings Night Shift to the Mac for the first time.
Your 2016 MacBook Pro might run a lot more reliably with Apple's macOS Sierra 10.12.3 update, and it'll have better security as well.
In the documentation for the update, the company lists 11 solutions to common vulnerabilities and exposures (CVEs), the formal name for security flaws. The system needs to be restarted to complete the installation process, as usual.
Without any doubt, macOS Sierra is the most advanced and lovely version of the operating system that powers our Macs, but, from time to time, it needs patching, like anything else in this world.
MacOS Sierra 10.12.3 update is already available. Second, it also resolves the graphic issues while the Adobe Premiere Pro project encoding on MacBook Pro with the Touch Bar in 13-15 inch 2016.
It updates the pre-installed PHP packages to version 5.6.28, which is not the latest (5.6.30 is, at least at the moment of writing this article), but at least it resolves multiple issues in the mod_php Apache module.
Upgrading to the latest version of macOS can be done by heading over to the App Store. On iPhones and iPads, users can begin an update by clicking on "Settings", then "General", then "Software Update".
Given that the watchOS 3.1.1 update bricked a number of Apple Watches, and was later withdrawn and rereleased by Apple, we recommend holding off on the watch OS 3.1.3 update for at least a week, if not more.