"Xubuntu, the Xfce-based flavor of Xubuntu, is presently evaluating
the use of Canonical's Mir display server via the XMir X11 transition
layer. For helping in the process and testing, the Ubuntu derivative
has made public some Xubuntu XMir images. "
-- source: http://www.phoronix.com/scan.php?page=news_item&px=MTQyOTQ
Peter Reutemann, Dept. of Computer Science, University of Waikato, NZ
Ph. +64 (7) 858-5174