MarsSeed [1] filed a deletion request for yage [2]: Active development on this "graphics engine" using gstreamer0.10 has stopped after 2015. [a] Nothing depends on it. So maybe it's time to retire it? [a]: https://github.com/yet-another-graphics-engine/YaGE/commits/master [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/yage/