Changelog for ruby2.6-rubygem-concurrent-ruby-ext-1.1.4-2.9.x86_64.rpm :

* Mon Jan 14 2019 Marcus Rueckert - update to 1.1.4
* Fri Dec 14 2018 Marcus Rueckert - allow base library in same version or newer
* Fri Dec 14 2018 Marcus Rueckert - update to 1.1.3
* Mon Jun 19 2017 mrueckertAATTsuse.de- initial package