After some weeks of work, we now have in mageia the First Alpha of KF5.
This is the first step to have this new Version usable, as we now need to wait for the runtime and workspace pieces to be available, we miss a task-framework or task-kf5 but this will come later.
This is about 60 New src.rpms.
http://community.kde.org/Frameworks/List
Have fun !