GP mentioned this fork of 7-Zip with zstd support: - https://github.com/mcmilk/7-Zip-zstd https://github.com/mcmilk/7-Zip-zstd The changes to the 7-Zip file f

GP mentioned this fork of 7-Zip with zstd support: - https://github.com/mcmilk/7-Zip-zstd https://github.com/mcmilk/7-Zip-zstd The changes to the 7-Zip file format were discussed upstream, and upstream agreed to not tread on the magic values: - https://sourceforge.net/p/sevenzip/discussion/45797/thread/a7e4f3f3/?limit=25&page=2 https://sourceforge.net/p/sevenzip/discussion/45797/thread/a... But ultimately the patches were not upstreamed. It's now onto its second developer: - https://sourceforge.net/p/sevenzip/discussion/45797/thread/6db98beb/?limit=25&page=0 https://sourceforge.net/p/sevenzip/discussion/45797/thread/6...