Changelog for libzimg2-2.5.1-1.1.x86_64.rpm :

* Thu Jun 22 2017 joerg.lorenzenAATTki.tng.de- Update to version 2.5.1 + depth: fix AVX2 conversion from half to byte/word (introduced in 2.1).
* Thu Mar 30 2017 joerg.lorenzenAATTki.tng.de- Initial package, version 2.5