- Kubernetes no longer monitors firewalld. On systems using firewalld for firewall
  maintenance, kube-proxy will take slightly longer to recover from disruptive
  firewalld operations that delete kube-proxy's iptables rules.

  As a side effect of these changes, kube-proxy's

- kubeadm has graduated `kubeadm alpha phase` commands to `kubeadm init phase`. This means that the phases of creating a control-plane node are now tightly integrated as part of the `init` command. Alpha features, not yet ready for GA are still kept under `kubeadm alpha` and we appreciate feedback on them.

* Performance test framework and basic tests for the IPAM controller, to simulate behavior of the four supported modes under lightly loaded and loaded conditions, where load is defined as the number of operations to perform as against the configured kubernetes. ([#61143](https://github.com/kubernetes/kubernetes/pull/61143), [@satyasm](https://github.com/satyasm))

  ([#79106](https://github.com/kubernetes/kubernetes/pull/79106), [@vbannai](https://github.com/vbannai))

### Instrumentation

- Kibana has been slightly revamped/improved in the latest version ([#80421](https://github.com/kubernetes/kubernetes/pull/80421), [@lostick](https://github.com/lostick))

### Network

## Dependencies

- **Cluster Ops**
  - [alpha] Added ability to create/remove clusters w/highly available (replicated) masters on GCE using kube-up/kube-down scripts. ([docs](http://kubernetes.io/docs/admin/ha-master-gce/)) ([kubernetes/features#48](https://github.com/kubernetes/enhancements/issues/48))
- **Federation**

- Fixed bug in `TopologyManager` for ensuring aligned allocations...

- Fixes error handling in a kubectl method...

* **[stable]** Volume plugin for Portworx added capability to use [Portworx](http://www.portworx.com) as a storage provider for Kubernetes clusters. Portworx pools server capacity and turns servers or cloud instances into converged, highly available compute and storage nodes.
* **[stable]** Add support to use NFSv3, NFSv4, and GlusterFS on GCE/GKE GCI image based clusters.
* **[beta]** Added support for mount options in persistent volumes.

#### Volume Plugins