It is built for epel10 https://koji.fedoraproject.org/koji/buildinfo?buildID=2668750

Please also build it for epel9, the epel10 version builds without any problem on epel9

Thanks

fedpkg clone -a ffmpegthumbnailer
cd ffmpegthumbnailer 
git checkout epel10
fedpkg --release epel9 mockbuild --default-mock-resultdir

FEDORA-EPEL-2025-6cf7e88d85 (ffmpegthumbnailer-2.2.3-1.el9) has been submitted as an update to Fedora EPEL 9.
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2025-6cf7e88d85

FEDORA-EPEL-2025-6cf7e88d85 has been pushed to the Fedora EPEL 9 testing repository.

You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2025-6cf7e88d85

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

FEDORA-EPEL-2025-6cf7e88d85 (ffmpegthumbnailer-2.2.3-1.el9) has been pushed to the Fedora EPEL 9 stable repository.
If problem still persists, please make note of it in this bug report.