Created attachment 5670 Add appdata file Patch to add appdata support. See https://mail.xfce.org/pipermail/xfce4-dev/2014-May/030717.html for additional details.
Eric Koegel referenced this bugreport in commit 6cccdd80989d6f848a0995edaa80768209b64a93 Add appdata file https://git.xfce.org/apps/xfburn/commit?id=6cccdd80989d6f848a0995edaa80768209b64a93