The FSF copyright assignment isn't mandatory at all, and has never been. Many GNU projects use it, many don't. The copyright assignment also has wording to th

The FSF copyright assignment isn't mandatory at all, and has never been. Many GNU projects use it, many don't. The copyright assignment also has wording to the extent that the FSF cannot just relicense things under a non-free software license. Here is some information: https://www.fsf.org/bulletin/2022/fall/copyright-assignment-with-the-fsf https://www.fsf.org/bulletin/2022/fall/copyright-assignment-... and maybe https://www.gnu.org/prep/maintain/html_node/Copyright-Papers.html https://www.gnu.org/prep/maintain/html_node/Copyright-Papers...