Pruning the forum database.
I mean something like this: http://hugo-kde.blogspot.ru/2012/01/oxygen-gtk3-10-is-out.html
This release is still experimental, notably due to the small amount of GTK 3 applications it has been tested on.
Since the publication of the article was more than a year. Published 10 releases of this package: http://download.kde.org/stable/oxygen-gtk3/ http://download.kde.org/stable/oxygen-gtk2/ In other distros it has long been working.