biell [1] filed an orphan request for rxvt-unicode-pixbuf [2]: The maintainers are not responding to queries and this package is out- of-date. It needs to be updated to 9.26. If you orphan, I will pick it up and update the PKGBUILD.
[1] https://aur.archlinux.org/account/biell/ [2] https://aur.archlinux.org/pkgbase/rxvt-unicode-pixbuf/
