Changelog for rh-ror50-rubygem-concurrent-ruby-1.0.4-1.el7.noarch.rpm :
Wed Jan 11 13:00:00 2017 Jun Aruga - 1.0.4-1
- Update to Concurrent Ruby 1.0.4.

Mon Jul 4 14:00:00 2016 Vít Ondruch - 1.0.2-1
- Update to Concurrent Ruby 1.0.2.

Thu Feb 4 13:00:00 2016 Fedora Release Engineering - 1.0.0-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild

Wed Dec 23 13:00:00 2015 Vít Ondruch - 1.0.0-1
- Initial package