JobSeeker writes "Now that subversion has merge tracking my boss wants to save money by dropping our expensive commercial solution. I've pretty much convinced myself that subversion can do the job. I like it. But what about integrated issue tracking? Version control without issue tracking is only half a solution. The TortoiseSVN docs say a little about bugzilla and not much else. What ready-to-play options (commercial or open source) exist for deploying subversion on commercial projects?"