The Xfce Project has published earlier today, September 9th, the release schedule for the upcoming Xfce 4.12 desktop environment.
The work on Xfce 4.12 started on May 27, 2012, and it will end on January 27th, 2013. It will comprise three Preview releases to hunt and fix remaining bugs before the final release on March 10th, 2013.
Without any further ado, here's the official release schedule for Xfce 4.12:
January 27th, 2013 - Xfce 4.12 Preview 1
February 10th, 2013 - Xfce 4.12 Preview 2
February 24th, 2013 - Xfce 4.12 Preview 3
March 10th, 2013 - Xfce 4.12 Final Release
The current release, Xfce 4.10, is still one of the most popular lightweight alternatives to other Linux desktop environments found in today's operating systems.
Download Xfce 4.10 source packages right now from Softpedia.