all the pull-requests mentioned on that webpage are from 2019 and 2020 and all were rejected (well, technically the last one is still open, with a comment point

all the pull-requests mentioned on that webpage are from 2019 and 2020 and all were rejected (well, technically the last one is still open, with a comment pointing to an another place where it was rejected). the "get involved" link points to a page that does not exist.