preupgrade does not find F18

[Bruno Wolff III]

On Thu, Dec 27, 2012 at 20:01:09 +0100,
   Frank Zimmermann <frank.zimmermann.berlin at freenet.de> wrote:
>
>ok I must confess that I've only recently subscribed to this list due to
>my issue with preupgrade. I've been search the web and my understandign
>of the docs was that fedup will be used from F18 on for upgrades.
>Therefore I thought preupgrade is still in use. What is the official way
>to upgrade from F17 to F18 if preupgrade is already deprecated?

fedup will be used for upgrading "to" F18 and higher. If you are upgrading 
from f16 or f17 to f18 you should use fedup.

 From f17, doing a yum upgrade should be relatively easy, though it isn't 
supported.