EKS, GKE and the like have a number of limitations. For example: they can be pretty far behind in the version of K8S they support (GKE is at 1.15 currently, EKS

EKS, GKE and the like have a number of limitations. For example: they can be pretty far behind in the version of K8S they support (GKE is at 1.15 currently, EKS at 1.16; K8S 1.18 was released in at the end of March this year.