how to change from STABLE to RELEASE?

[Warren Block]

On Tue, 8 Jan 2013, Antonio Olivares wrote:

> Dear folks,
>
> I am happily running FreeBSD 9.0-STABLE on one of my machines, but I
> want to move to FreeBSD-RELEASE and use
> # freebsd-update upgrade -r 9.1-RELEASE
> but it does not find a valid repository.  How can I solve this issue
> to move to newer RELEASE and avoid staying on STABLE because I will
> have to compile/build world and it takes a good while to build and
> then may have to rebuild all the ports.

As long as you stay on 9-STABLE, it is not necessary to rebuild all 
ports.  Actually, that is what the "stable" part means, a stable ABI:

http://www.wonkity.com/~wblock/docs/html/stable.html