Eh, it doesn't really work for a volunteer based projects. It's already hard to find people that want to fix bugs in open software, it would be even harder to f

Eh, it doesn't really work for a volunteer based projects. It's already hard to find people that want to fix bugs in open software, it would be even harder to find someone willing to fix it in a version 10 years old and then have them verify it working in all possible cases without regression.