libtimezonemap is already in c9s and RHEL, but libtimezonemap-devel is being filtered out. Per the unshipped packages policy, I'd like to request libtimezonemap-devel to be added to CRB so it can used to unblock building packages that depend on it in EPEL 9 (e.g., libtimezonemap as a dependency for python-blivet and anaconda, which I am working on as part of the CentOS Hyperscale SIG).

libtimezonemap-devel is missing from both c9s CRB as well as RHEL.