kfogel writes "GNU Emacs, one of the oldest continuously developed free software projects around, has switched from CVS to Bazaar. Emacs's first recorded version-control commits date from August, 1985. Eight years later, in 1993, it moved to CVS. Sixteen years later, it is switching to Bazaar, its first time in a decentralized version control system. If this pattern holds, GNU Emacs will be in Bazaar for at least thirty-two years ..."