&quot;I consider the CPython switch from Mercurial to git the final declaration of victory.&quot;<p>Really I think it was bitbucket&#x27;s total sidelining of hg in favour of git. hg features break regularly on bitbucket and today if you visit bitbucket&#x27;s home page you&#x27;re greeted with &quot;Bitbucket is <i>the</i> Git solution for professional teams&quot;