On Tuesday 05 July 2011 18:36:45 /dev/ammo42 wrote:

> > > This is already the case, blame the KDE4 team. You cannot reconcile
> > > the two: KDE4 apps use KDE4 libraries and cannot be separated from
> > > KDE4.
> > >
> > Fortunately, they can run really smoothly on Trinity, but it can be a
> > little mess with $PATH, etc.
> With the drawback that it will load both kdelibs3 and kdelibs4 into
> memory. If you have enough memory to accommodate the 2 versions of
> kdelibs, you have probably enough memory to run KDE4.

And the drawback that your desktop settings do not affect them.