Changelog for pronterface-20170720~pre.1494969671.f54b6f9-bp150.1.6.x86_64.rpm :

* Wed Jun 21 2017 adrianAATTsuse.de- use upstream version scheme
* Fri Jun 02 2017 adrianAATTsuse.de- update to current code- hack around to get it building
* Tue Aug 06 2013 jwAATTsuse.com- fixed desktop Categories according to http://en.opensuse.org/openSUSE:Packaging_desktop_menu_categories#Graphics- fixed specfile:
* chosen a valid group, instead of an invalid one
* added the default defattr() line, (which is still needed explicitly even after so many years)
* fixed license syntax.