Hacker News Reader

It's right there in the first paragraph:

> For a long time Firefox Desktop development has supported both Mercurial and Git users. This dual SCM requirement places a significant burden on teams which are already stretched thin in parts. We have made the decision to move Firefox development to Git.

View on HN

Nitpick, but that quote doesn't explain why not move to mercurial (although I think we all know why)

It was Mercurial-only for a long time. Then people got used to git and asked for a mirror to stop dealing with whatever was the layer providing mercurial access for git locally. Apparently, now there are more git people out there than Mercurial.

Reply on news.ycombinator.com