MacPorts 1.9.0 has been released

[Marko Käning]

> MacPorts does not uninstall ports automatically, you would always have
> to do that manually. But the "request" feature offers an easy way to do so.

Well, now I am surprised...
I understood from the previous posts on this thread that the new version 1.9.0 would automatically uninstall all non-requested ports from my system when trying to update macports.
Is this assumption incorrect?