Changelog for libsolv-devel-0.6.20-5.el7.x86_64.rpm :

* Tue Jul 12 2016 Igor Gnatenko - 0.6.20-5- Make obsoletes non-architecture dependent (RHBZ #1354479)
* Tue May 31 2016 Igor Gnatenko - 0.6.20-4- Properly obsolete -test subpkg
* Mon May 30 2016 Igor Gnatenko - 0.6.20-3- Rebase to 0.6.20 with 2 critical patches (RHBZ #1334401)
* Wed Jun 03 2015 Jan Silhan - 0.6.11-1- initial package for RHEL 7.2 without unnecessary bindings