ThirdPartyResource is deprecated as of Kubernetes 1.7 and has been removed in version 1.8 in accordance with the deprecation policy for beta features.
To avoid losing data stored in ThirdPartyResources, you must migrate to CustomResourceDefinition before upgrading to Kubernetes 1.8 or higher.
ThirdPartyResource is deprecated as of Kubernetes 1.7 and has been removed in version 1.8 in accordance with the deprecation policy for beta features. To avoid losing data stored in ThirdPartyResources, you must migrate to CustomResourceDefinition before upgrading to Kubernetes 1.8 or higher.
https://kubernetes.io/docs/tasks/access-kubernetes-api/extend-api-third-party-resource/