Install if You Have the 2016 MacBook Pro
Do you own the 2016 MacBook Pro? If you do, this is an update that you need to install sooner rather than later. In macOS Sierra 10.12.2 Apple added fixes for the TouchBar and addresses the battery life estimate on the new MacBook Pro.
The macOS Sierra 10.12.3 update now includes two fixes specific to the 2016 MacBook Pro with Touch Bar including;
The first of these could help you with better MacBook Pro battery life in the long run. If you have bad 2016 Macbook Pro battery life, especially on the 15-inch model, install this update right away.
The earlier 10.12.2 update added other key features. You can now take screenshots of the Touch Bar. There is also a fix that should prevent the Touch Bar from showing up on the display while choosing emoji. This should also solve graphics problems that 2016 MacBook Pro users experienced since the release. This also toggles on System Integrity Protection.
Apple is removing the battery life estimate from the battery icon in the status bar with this update. It is a feature that many users will miss, but it has not been accurate on the new MacBook Pro 2016 models.