In conjunction with iOS, tvOS, and watchOS updates, Apple has also released the 10.12.3 update to macOS Sierra, bringing GPU driver updates to the 2016 MacBook Pro, and a fix for PDF corruption.
Apple's release notes specify that the 10.12.3 update improves automatic graphics switching on the 2016 MacBook Pro 15-inch model, as well as resolves issues while encoding Adobe Premiere Pro project on the same model, plus the 13-inch MacBook Pro with Touch Bar.
Apple also claims that the update "improves the stability, compatibility, and security of your Mac." Display brightness has been added as a potential energy impact , and Apple has also rectified some issues surrounding the MacBook Pro's battery drain in Safari, as accidentally discovered by Consumer Reports during the .
The update weighs in at 1.05 GB for a 2016 MacBook Pro, and is available through the Mac App Store.