Changelog for czmq-devel-debuginfo-4.2.1-2.el8.x86_64.rpm :

* Tue Feb 02 2021 Denis Arnaud - 4.2.1-2- Re-added aarch64
* Mon Feb 01 2021 Denis Arnaud - 4.2.1-1- Upstream update (to 4.2.1)
* Sun Oct 27 2019 Denis Arnaud - 4.2.0-1- Initial build for EPEL 8