1. Custom Metrics AutoScaler is a feature needed by Red Hat OpenShift AI and a key customer to support their MQ workloads on OpenShift on Power.
2. OpenShift introduces Dual Stream supports allowing customers with Power9 machines to use the RHEL9 base, and customers with Power10 and Power11 to. use the RHEL10 base. This introduces a transition period for customers on RHEL9.
3. Multi-Arch Tuning Operator v1.4 support for CEL Plugin.
If you upgrade 4.x to 5.0, it’ll stay on the supported RHEL9. If you install OCP 5.0 on a Power9, you’ll need to delcare the osStream as rhel-9.
– ppc64le https://mirror.openshift.com/pub/openshift-v5/ppc64le/clients/ocp/5.0.0/
– multi https://mirror.openshift.com/pub/openshift-v5/multi/clients/ocp/5.0.0/ppc64le/
– oc-mirror https://mirror.openshift.com/pub/cgw/oc-mirror/latest/
p.s. oc-mirror is not in the release.

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