As do Facebook, if I recall correctly: https://engineering.fb.com/core-data/scaling-mercurial-at-facebook/ https://engineering.fb.com/core-data/scaling-mercuri

As do Facebook, if I recall correctly: https://engineering.fb.com/core-data/scaling-mercurial-at-facebook/ https://engineering.fb.com/core-data/scaling-mercurial-at-fa... That's from 2014, but I don't believe they've moved away from it since. In 2018, there's this: https://news.ycombinator.com/item?id=16565299 https://news.ycombinator.com/item?id=16565299