kahlos  filed a orphan request for mumax3 :
Hasn't been updated for a long time, whilst the source code has had many vital commits since then
 https://aur.archlinux.org/account/kahlos/  https://aur.archlinux.org/pkgbase/mumax3/
Request #8267 has been accepted automatically by the Arch User Repository package request system:
The user Muflone disowned the package.