Packages of KDE 3.80.2 are available for Kubuntu Edgy. In this second developers snapshot of KDE 4 full sessions seem to be running nicely. Lots of things crash but it's a good start. As a distro developer one of my current worries is how KDE 3 apps will run under KDE 4, with these packages it works except for kioslaves which complain about klauncher breaking. So if I can work that one out, it should be OK.
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Wrong dependencies?
Unlike it says in the instructions, and unlike 3.80.1, these seem to depend on the regular qt4 rather than qt4-kdecopy. Is that a mistake?
Re: Wrong dependencies?
I've fixed the page now, it does indeed use the normal Edgy Qt 4 packages.
Qt
KDE requires the regular Qt4.2.x release, so there is no need to have a separate package. As long as Kubuntu ships an up-to-date Qt.