Changelog for ruby2.5-rubygem-mini_mime-1.0.0-4.3.x86_64.rpm :

* Fri Nov 17 2017 mschnitzerAATTsuse.com- updated to version 1.0.0 Other than the version number, no difference from 0.1.4
* Mon Aug 28 2017 cooloAATTsuse.com- updated to version 0.1.4 see installed CHANGELOG 11-08-2017 - Version 0.1.4 - Return preferred extension when looking up by content type
* Fri Jun 16 2017 mrueckertAATTsuse.de- initial package