“Perhaps most frustratingly, all of the tickets, pull requests, past release builds and changelogs are gone, because those things are not part of Git (the version control system),” Sauceke told me. “So even if someone had the foresight to make mirrors before the ban (as I did), those mirrors would only keep up with the code changes, not these ‘extra’ things that are pretty much vital to our work.”

What can be done about this?