Yes. I’m a latecomer to the Sierra game (due mainly to an audio hardware driver I had to wait on to be upgraded to Sierra, which finally was updated but probably won’t be updated to High Sierra…), and most developers have probably already run into this problem and have dealt with it accordingly. However, I thought it might be a good idea to capture this here for posterity… Just this morning, immediately after upgrading to macOS Sierra, I experienced a problem by which Git began¬†incessantly asking for my¬†passphrase. This was an unwelcome surprise to me, but thankfully there’s a reasonably simple fix, thanks to this SuperUser suggestion: macOS keeps asking my ssh passphrase since I updated to Sierra – Super[…]