Comment # 3 on bug 970896 from Wolfgang Bauer

(In reply to Naufal Fachrian from comment #0)
> I give some files rating and tags, but Dolphin doesn't honor it on View. But
> it honored on Panel.

Right, and the view doesn't show other "special" file metadata either if you
enable it, like e.g. picture dimensions.

(In reply to Naufal Fachrian from comment #2)
> I can get rid the bug by installing Dolphin from KDE:Unstable repository.

So it seems to be fixed upstream already.
Did you only install dolphin from KDE:Unstable or other packages too?

I don't see any change in dolphin master that would fix this on a quick
glance...