Package: gpac Version: 2.2.1+dfsg1-2 gpac is currently in version 2.2.1 in debian Sid. This version is incompatible with Ffmpeg 7. Upstream has gpac in version 2.4 which is compatible. This bug report request pulling version 2.4 into sid.
https://github.com/gpac/gpac https://github.com/gpac/gpac/releases/tag/v2.4.0