[CentOS-devel] Why not a fusion between CentOS and SL?

[Manuel Wolfshant]

> Also note that you can't just 'yum update' from those SL alpha versions to the
> final release, so even if CentOS did ship alpha/beta versions it wouldn't make
> life that much easier.  On the other hand it would be nice if yum knew enough to
> do that - or to understand different repositories and be able to always update
> from the same source or be told when to switch and reinstall.
the new yum ( in fedora ) knows that, basically it prefers to install 
from the same repo from where you already have stuff.