- kube- and cloud-controller-manager can now listen on ports up to 65535 rather than 32768, solving problems with operating systems that request these higher ports.. ([#65860](https://github.com/kubernetes/kubernetes/pull/65860), [@sttts](https://github.com/sttts))

* Fix a problem of not respecting TerminationGracePeriodSeconds of the Pods created by DaemonSet controller. ([#51279](https://github.com/kubernetes/kubernetes/pull/51279), [@kow3ns](https://github.com/kow3ns))
* BUG FIX: Check both name and ports for azure health probes ([#56918](https://github.com/kubernetes/kubernetes/pull/56918), [@feiskyer](https://github.com/feiskyer))

- Kubeadm: enable the usage of the secure kube-scheduler and kube-controller-manager ports for health checks. For kube-scheduler was 10251, becomes 10259. For kube-controller-manager was 10252, becomes 10257. ([#85043](https://github.com/kubernetes/kubernetes/pull/85043), [@neolit123](https://github.com/neolit123))

### Other notable changes

* Fix unintended change of Service.spec.ports[].nodePort during kubectl apply ([#24180](https://github.com/kubernetes/kubernetes/pull/24180), [@AdoHe](https://github.com/AdoHe))

- Removed an inaccurate statement about requiring ports when the Pod spec `hostNetwork` field was set. ([#130994](https://github.com/kubernetes/kubernetes/pull/130994), [@BenTheElder](https://github.com/BenTheElder)) [SIG Network and Node]

- Added warning for dup ports update/patching in pod's container ports and service ports. ([#113245](https://github.com/kubernetes/kubernetes/pull/113245), [@pacoxu](https://github.com/pacoxu))

- Added namespace autocompletion for `kubectl config set-context` command. ([#124994](https://github.com/kubernetes/kubernetes/pull/124994), [@TessaIO](https://github.com/TessaIO)) [SIG CLI]
- Added ports autocompletion for kubectl port-foward command. ([#124683](https://github.com/kubernetes/kubernetes/pull/124683), [@TessaIO](https://github.com/TessaIO)) [SIG CLI]

* Change merge key for VolumeMount to mountPath ([#35071](https://github.com/kubernetes/kubernetes/pull/35071), [@thockin](https://github.com/thockin))
* Turned-off etcd listening on public ports as potentially insecure. Removed ([#35192](https://github.com/kubernetes/kubernetes/pull/35192), [@jszczepkowski](https://github.com/jszczepkowski))
    * experimental support for master replication.

* Update to fluentd-gcp:1.28.3, rebased on ubuntu-slim:0.8 ([#43928](https://github.com/kubernetes/kubernetes/pull/43928), [@ixdy](https://github.com/ixdy))
* Fix polarity of NodePort logic to avoid leaked ports ([#43259](https://github.com/kubernetes/kubernetes/pull/43259), [@thockin](https://github.com/thockin))

* Fix AWS NLB security group updates where valid security group ports were incorrectly removed ([#68422](https://github.com/kubernetes/kubernetes/pull/68422), [@kellycampbell](https://github.com/kellycampbell))
    * when updating a service or when node changes occur.