Changelog for libHepMC4-2.06.09-bp152.3.23.x86_64.rpm :

* Tue Sep 05 2017 jengelhAATTinai.de- Trim description for size (like was already done for HepMC 1st Generation).
* Tue Sep 05 2017 badshah400AATTgmail.com- Fix shared lib Group, should be System/Libraries.
* Fri Sep 01 2017 badshah400AATTgmail.com- Add explicit Conflicts between HepMC2-devel and HepMC-devel > 3, make HepMC2-devel provide HepMC-devel = %{version}.
* Sat Aug 05 2017 badshah400AATTgmail.com- Adapt to using HepMC2 as package name.
* Sat Aug 05 2017 badshah400AATTgmail.com- Initial version (copy from HepMC = 2.06.09).