Comment # 3 on bug 1169153 from Rafael Belmonte

(In reply to Wolfgang Bauer from comment #1)
> (In reply to Rafael Belmonte from comment #0)
> > Any missing dependency in the discover package?
> 
> Looks like it.
> The QML runtime dependencies are not autodetected by the build system, and
> it's hard to notice a missing one if you already have them installed (on a
> full KDE system e.g.)...
> 
> Does it work if you install kdeclarative-components, or are other
> dependencies missing as well?

Yes, after installing package kdeclarative-components, Discover opens.