Changelog for ruby2.5-rubygem-os-1.0.0-1.1.x86_64.rpm :

* Tue Feb 21 2017 cooloAATTsuse.com- updated to version 1.0.0 see installed ChangeLog 0.10.0 freebsd? also some cleanup 0.9.7 use same version number in VERSION and os.gemspec
* Sat Jan 14 2017 tampakrapAATTopensuse.org- Initial package