A slightly poorer experience for a distro's non-flagship DE is one thing, a major binary being outright missing is another. This should have still worked - Ubun

A slightly poorer experience for a distro's non-flagship DE is one thing, a major binary being outright missing is another. This should have still worked - Ubuntu does support adding KDE by installing that package, kubuntu-desktop depends on plasma-workspace which contains /usr/bin/ksplashqml.