- If targetPort is changed that will process by service controller ([#77712](https://github.com/kubernetes/kubernetes/pull/77712), [@Sn0rt](https://github.com/Sn0rt))

### Node

  // omitted or set equal to the 'port' field.
  // More info: https://kubernetes.io/docs/concepts/services-networking/service/#defining-a-service
  // +optional
  optional k8s.io.apimachinery.pkg.util.intstr.IntOrString targetPort = 4;

  // The port on each node on which this service is exposed when type is
  // NodePort or LoadBalancer.  Usually assigned by the system. If a value is

- Fixed service issues with named targetPort for Windows ([#70076](https://github.com/kubernetes/kubernetes/pull/70076), [@feiskyer](https://github.com/feiskyer))

* `kubectl port-forward` now supports specifying a service to port forward to, as in `kubectl port-forward svc/myservice 8443:443`. Additional support has also been added for looking up targetPort for a service, as well as enabling using svc/name to select a pod. ([#59809](https://github.com/kubernetes/kubernetes/pull/59809), [@phsiao](https://github.com/phsiao))