Description of problem: RHEL 8.2 will be adding zstd to the BaseOS repository. It is already available for CentOS 8 Stream. https://lists.centos.org/pipermail/centos-devel/2020-January/036500.html Per EPEL policy, the epel8 branch must be retired when 8.2 reaches GA.
ran `fedpkg retire` on the epel8 branch