exo-preferred-applications should also use gvfs-mime. Maybe as an option only.
This can cause issues with older gtk2 applications like hexchat:
> TingPing commented on 30 Jun 2013
> So just to verify run this command:
> gvfs-mime –set x-scheme-handler/http firefox.desktop
> Then in HexChat run:
> /url http://google.com
gvfs-mime has been deprecated. Status of this request will be tracked in Bug 14633.
*** This bug has been marked as a duplicate of bug 14633 ***