These packages make use of gtk3 useflag which indicates that there are issues of migration to gtk+:3. Gtk3 and similar useflags should be avoided. Adding to tracker. Please have a look.
Unfortunately virtually everything this depends on and everything that depends on this needs to be updated to EAPI 5 for slot deps for this to really work.
Yep. Invalid per the discussion on the ML and GNOME team.
(In reply to comment #2) > Yep. Invalid per the discussion on the ML and GNOME team. Can you give a link?
*** Bug 492438 has been marked as a duplicate of this bug. ***