FYI, I got a 404 on the "Spellbook" download link:
https://gitlab.com/bindrpg/metabind/-/jobs/15118774088/artifacts/raw/complete/a7...
Edit: I can also find my way through gitlab's build system to grab all the latest "complete" PDFs:
https://gitlab.com/bindrpg/metabind/-/jobs/15118774088/artifacts/browse/complete...