Changelog for libsolv-tools-0.6.20-5.el7.x86_64.rpm :
Tue Jul 12 14:00:00 2016 Igor Gnatenko - 0.6.20-5
- Make obsoletes non-architecture dependent (RHBZ #1354479)

Tue May 31 14:00:00 2016 Igor Gnatenko - 0.6.20-4
- Properly obsolete -test subpkg

Mon May 30 14:00:00 2016 Igor Gnatenko - 0.6.20-3
- Rebase to 0.6.20 with 2 critical patches (RHBZ #1334401)

Wed Jun 3 14:00:00 2015 Jan Silhan - 0.6.11-1
- initial package for RHEL 7.2 without unnecessary bindings