rokku  filed an orphan request for zef :
Please orphan the package. I contacted the Maintainer via E-Mail on 11th of September. Till now I didn't receive any reply. The package needs an Update and I would take over and take care of the package.
 https://aur.archlinux.org/account/rokku/  https://aur.archlinux.org/pkgbase/zef/