Apple has released macOS Sierra 10.12.2. It’s available free as a download at the Mac App Store. According to Apple, the update:
° Improves setup and reliability of Auto Unlock;
° Allows addition of a Chinese Trackpad Handwriting button to the Touch Bar Control Strip;
° Adds support for taking screenshots of the Touch Bar using the Grab app or Cmd-Shift-6 shortcut;
° Fixes an issue that caused the Touch Bar emoji picker to appear on the display;
° Resolves graphics issues on MacBook Pro (October 2016) computers;
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