Red Hat is pushing immutable infrastructure. You can now build a RHEL image using a Containerfile, push it to a registry, and boot it directly. This is huge for DevOps pipelines (think: RHEL as a container image, not just a VM).
[Quick Look] Red Hat Enterprise Linux 9 – What you need to know red hat enterprise linux 9
RHEL 9 is arguably the most cloud-native version of Red Hat yet. It serves as the backbone of (their Kubernetes platform). Red Hat is pushing immutable infrastructure