alt Hacker News> issue tracker
I contend that issues/tickets are as much a part of the code as comments and commit messages, and tightening the link is valuable, especially when you need to decide whether to take down an old fence. Which is a conundrum, because I agree about choosing your tools.
I absolutely agree with you that the paraphernalia around code is required but tools for the job.
git for code management
something else for discussion of that management