Orcan Ogetbil wrote: > How about vice versa? What is the easiest way to test KDE 4.2.1 on Qt > 4.5 on F-10 ? KDE 4.2.1 built against Qt 4.4 will work with 4.5. That said, at least one Plasma rendering fix is only enabled if Qt 4.5 is found at compile time. Kevin Kofler