Changelog for microcode_ctl-2.1-32.qubes1.fc32.x86_64.rpm :

* Wed May 15 2019 Marek Marczykowski-Górecki 2:2.1-28.qubes1- Update to microcode 20190514
* Thu May 09 2019 Anton Arapov 2:2.1-28- Update to upstream 2.1-20. 20190312
* Fri Feb 01 2019 Fedora Release Engineering - 2:2.1-27- Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild