What bugs/issues are you noticing in Xfce that cause you to want an update? Because someone posted a question about an issue on the Xfce home site's forum and Jérôme quickly posted an update. Therefore, if you have an issue for which you have seen no update, I would tend to assume it's because no one has told him about it.
Mint 17.1 Xfce 4.12.
If the fact that my post is longer than a standard SMS message causes you to be unable to take meaning from it, do not blame me for something that is either the fact of the school teachers you had or the sludge between your ears.