https://bugzilla.redhat.com/show_bug.cgi?id=1046006
--- Comment #12 from Miro HronĨok mhroncok@redhat.com --- Created attachment 940992 --> https://bugzilla.redhat.com/attachment.cgi?id=940992&action=edit Fedora 21 slic3r 1.1.7 screenshot
This is what I see in F21. But running from binary tarball displays that option, as you say. Weird. Maybe a missing dependency.