Please branch and build mingw-libpng in epel9. If you do not wish to maintain mingw-libpng in epel9, or do not think you will be able to do this in a timely manner, the EPEL Packagers SIG would be happy to be a co-maintainer of the package; please add the epel-packagers-sig group through https://src.fedoraproject.org/rpms/mingw-libpng/addgroup and grant it commit access, or collaborator access on epel* branches. I would also be happy to be a co-maintainer (FAS: orion). Scratch build: https://koji.fedoraproject.org/koji/taskinfo?taskID=90769293