Note: See https://kubernetes.io/blog/2019/07/18/api-deprecations-in-1-16/ - PSP is introduced in policy apigroup in 1.10, and removed from extensions apigroup in 1.16. - DaemonSet, Deployment, StatefulSet, and ReplicaSet migrate to apps in 1.9, and no longer be served from extensions in 1.16 - Ingress is migrated to networking.k8s.io in 1.14, and will be removed from extensions in 1.18
