Noobie question concerning upgrading, was Re: Daper -> Fiesty

[debian]

Vincent Trouilliez wrote:
> Only safe (supported) way, is to upgrade to Edgy first, then to Feisty.
> Upgrades are only supported from one version to the next, or from one
> "LTS" version to the next.
>
>   
im wondering why cant you just upgrade straight from say Dapper to 
Fiesty and skip edgy? would that cause software conflicts?

--ck