Since a couple of weeks the packages offered by openSUSE in the KDE:Unstable:Frameworks repository have undergone a series of changes. In particular, the packages now install to /usr. For the libraries (KDE Frameworks 5) this will mean a transparent change for the userbase as they are expected to be co-installable, but the workspace components (Plasma 5) will confict with the existing Plasma 4.11.x installation. What does this mean in practice? If you want to use Plasma 5 you will not be able to use a 4.