The Mirantis Container Cloud GA release 2.23.1 is based on 2.23.0 and:
This Cluster release is based on the updated version of Mirantis Kubernetes Engine 3.5.7 with Kubernetes 1.21 and Mirantis Container Runtime 20.10.13.
Supports the latest Cluster release 11.7.0
Make sure to update the Cluster release version of your managed cluster before the current Cluster release version becomes unsupported by a new Container Cloud release version. Otherwise, Container Cloud stops auto-upgrade and eventually Container Cloud itself becomes unsupported.