MarsSeed [1] filed a deletion request for ssr2json [2]: Abandoned VCS package in disguise. Not maintained since 2019. [a]
Broken [b], just like its EOL dependency from 2018, AUR/shadowsocksr. [a]: https://github.com/fkxxyz/ssr2json [b]: https://github.com/fkxxyz/ssr2json/issues [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/ssr2json/
