The latest update to pipewire added a hard dependency on spandsp, which has not previously been in RHEL:
https://src.fedoraproject.org/rpms/pipewire/c/a4954ef2b8b1e59abc9aaeb8563a9435b659b1be?branch=rawhide
This addition needs to be verified, but in the meantime the package has been built manually for ELN to unblock composes.