After having gone to the community for looking at names
, Red Hat has announced that the release of Fedora 12
will be codenamed Constantine. This name had the most votes and was approved by Red Hat's Legal department of being free of any potential issues. Constantine had beat out Umbria, Orville, Rugosa, and Chilon for having the most votes.
Some of the features to be found in Fedora 12 "Constantine" are talked about here
. The official Constantine naming announcement can be found on the Fedora mailing list
. Fedora 12 should be released around the November time-frame.