the digits in the corresponding base.
</p>

<p>
Although these representations all result in an integer, they have
different valid ranges.  Octal escapes must represent a value between
0 and 255 inclusive.  Hexadecimal escapes satisfy this condition
by construction. The escapes <code>\u</code> and <code>\U</code>
represent Unicode code points so within them some values are illegal,

- kubeadm: `kubeadm upgrade node` now supports `addon` and `post-upgrade` phases. Users can use `kubeadm upgrade node phase addon` to execute the addon upgrade, or use `kubeadm upgrade node...

- Integration testing now takes periodic Prometheus scrapes from the etcd server.
  There is a new script ,`hack/run-prometheus-on-etcd-scrapes.sh`, that runs a containerized Prometheus server against an archive of such scrapes. ([#106190](https://github.com/kubernetes/kubernetes/pull/106190), [@MikeSpreitzer](https://github.com/MikeSpreitzer)) [SIG API Machinery and Testing]

- Users can now specify azure file share name in the azure file plugin, making it possible to use existing shares or specify a new share name. ([#76988](https://github.com/kubernetes/kubernetes/pull/76988), [@andyzhangx](https://github.com/andyzhangx))

- Kubeadm:...

- Add support support to Manilla for trustee authentication and supplying custom CAs.
- Add and update documentation.
- Add support to Manilla for provisioning existing shares.
- Add cluster name to load balancer description
- Add synchronization between Kubernetes and Keystone projects
- Add use internal DNS name for 'hostname' of nodes.

Kubeadm: Expose the `kubeadm join` workflow as phases

- If `kubeadm reset` finds no etcd member ID for the peer it removes during the `remove-etcd-member` phase, it continues immediately to other phases, instead of retrying the phase for up to 3 minutes before continuing. ([#117916](https://github.com/kubernetes/kubernetes/pull/117916), [@dlipovetsky](https://github.com/dlipovetsky)) [SIG Cluster Lifecycle]

* Some container runtimes share a process (PID) namespace for all containers in a pod. This will become the default for Docker in a future release of Kubernetes. You can preview this functionality if running with the CRI and Docker 1.13.1 by enabling the --experimental-docker-enable-shared-pid kubelet flag. ([#41583](https://github.com/kubernetes/kubernetes/pull/41583), [@verb](https://github.com/verb))

   ([#123341](https://github.com/kubernetes/kubernetes/pull/123341), [@neolit123](https://github.com/neolit123))