"The current model for supporting maintenance distributions is being re-examined."
"In the meantime, we are unable to extend support to older Fedora Core releases as we had planned. As of now, Fedora Core 4 and earlier distributions are no longer being maintained."
This is a real problem in the perception of the Fedora distribution among common people, from my point of view, putting it even more in the niche of computers gurus who doesn’t mind to frantically update every six months and doesn’t care about usability.