I updated to macOS Sierra 10.12 (GM) tonight and surprisingly everything seemed to work without any issues … at least so far. One thing that did come up, but was easily remedied, was that all of my SSH keys stopped working. ssh git@github.com The above command prompted for a password (assuming you use GitHub), which is should not do if SSH keys are set up properly. Assuming your SSH keys are RSA-b
![macOS Sierra 10.12 SSH Keys – testequals](https://cdn-ak-scissors.b.st-hatena.com/image/square/8d71ff5111e05619a10d29bb40d7aebaa75c8fbc/height=288;version=1;width=512/https%3A%2F%2Fs0.wp.com%2Fi%2Fblank.jpg)