Switch default DNS plugin to CoreDNS Switch default DNS plugin from kube-dns to CoreDNS.
Custom Resource Definition Versioning Versioning for Custom Resources including a way to plug conversion for different versions.
Server-side Apply Move "apply" and declarative object management from kubectl to the apiserver in order to fix many of the existing bugs that we can't fix today. Also use that opportunity to add "field ownership".
Provide RunAsGroup feature for Containers in a Pod As a Kubernetes User, i should be able to specify both user id and group id for the containers running inside a pod on a per Container basis, similar to how docker allows that using docker run options -u, --user="" Username or UID (format: <name|uid>[:<group|gid>]) format
Provide environment variables expansion in sub path mount Provide environment variables expansion in sub path mount