I got this announcement a few days ago about Fedora Core 2. I know Fedora Legacy intends to provide security updates for a while beyond this date but it would be better to have FC 3 supported before then. Cpanel home page still shows FC1 and FC2 only. Does CPanel have a timeline? This constant updating is rather cumbersome anyway. Seems people are having good things to say about CentOS as an alternative. Maybe now is the time to switch? "The Fedora Steering Committee proposes to transfer Fedora Core 2 to the Fedora Legacy Project at the point Fedora Core 4 Test 2 is released. This is currently scheduled for March 21, 2005."
Fedora3's new security features cause a slew of problems with everything from mysql to imap. As soon as these are worked-around, it will be offically supported.
Indeed, which is why Fedora is not recommended for server environments. It is not a stable platform, which is what you want for a server OS and with a lifecycle of only 6 months, you're going to have to keep upgrading to stay secure. The likes of CentOS or RHE directly, offer you stability and continuity of support.