An oops from#11668. The primary key was on(file_id, version_id), which looks fine in theory, but in practice I hit a case where I got primary key uniqueness violations, and realised that this setup fails if a beatmap set has two or more files in the package with identical contents ...
Type Game behaviour Bug description Currently it is possible to rightclick the difficulty of a beatmap with only a single non-hidden difficulty and click "Hide", which hides not only that difficulty but the whole beatmap from the list, m...