console.redhat.com/openshift/dashboard works while us.console.redhat.com/openshift/dashboard results in:

You do not have access to Red Hat OpenShift Cluster Manager
Contact your organization administrator(s) for more information or visit My User Access to learn more about your permissions.

Detail: Missing Authentication.

Update 03/17/25:

The fix from the frontend side is in prod and seems to be working.

Pending the fix from backend side - https://issues.redhat.com/browse/OCM-14324 - to be released to production.

Update 03/27/25:

Backend fix released to prod, still this env is not fully functional. In case OCMUI team should support it, we need a full comprehensive test of the whole application and identify areas with issues.