FWIW, gst-browser also was broken on debian8, fedora24, and ubuntu16 https://lists.gnu.org/archive/html/help-smalltalk/2017-01/msg00002.html
i have not done such a thorough evaluation since then; but i suspect that it has been broken on those distros ever since - however, it is worth noting that it was working on arch/parabola at that time; and it still is
