LothaireFR [1] filed a deletion request for mate-system-monitor-dev [2]: Since then MATE 1.24 has released. In fact, we do have here a download file to build a 4 years old package. Way newer version in the Arch repos
[1] https://aur.archlinux.org/account/LothaireFR/ [2] https://aur.archlinux.org/pkgbase/mate-system-monitor-dev/
