It happens.
RH killed off CentOS 8, and created CentOS Stream, which is now a beta version for RHEL, instead of an after-build.
So it's now:
Fedora -> CentOS Stream -> RHEL.
(alpha) -> (beta) -> Release/Production Release
The only options for an 8 based system is RHEL 8, AlmaLinux 8, etc.