ocpvirt-ossm-compatibility-321

Status: IN

OpenShift Virtualization 4.21 requires OSSM 3.0.4 / Istio 1.24.4 for service mesh compatibility; OSSM 3.1.1 / Istio ≥1.25 are incompatible.

Source: entries/2026/03/05/en-documentation-openshift_container_platform-421-html-virtualization-release-no.md