In response to [this](https://github.com/open-cluster-management-io/community/issues/172#issuecomment-1612387422):
>/close
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ClusterSet and ClusterSetBinding API were upgraded to v1beta1 since OCM v0.5.0, and as planned, will remove version v1alpha1 in OCM v0.9.0.
Remove ClusterSet and ClusterSetBinding API v1alpha1 version in v0.9.0 release.