WebCenter Sites 11gR1 (11.1.1.6.0) released and available for download
http://www.oracle.com/technetwork/middleware/webcenter/sites/downloads/index.html
This is the first Oracle-branded release since the FatWire acquisition last year.
WebCenter blog new features article
https://blogs.oracle.com/webcenter/entry/what_s_new_in_webcenter
Jake @ AppsLab has written a short intro with links to extra info, find it here http://theappslab.com/2012/05/01/oracle-webcenter-sites-11gr1-released/?sf4101076=1
