### Cluster Lifecycle

#### kubeadm

* [beta] A new `upgrade` subcommand allows you to automatically upgrade a self-hosted cluster created with kubeadm. ([#296](https://github.com/kubernetes/enhancements/issues/296), [@luxas](https://github.com/luxas))

   * and accesses that were performed on the map. The queue is drained on writes and when it exceeds
   * its capacity threshold.
   *
   * The Least Recently Used page replacement algorithm was chosen due to its simplicity, high hit
   * rate, and ability to be implemented with O(1) time complexity. The initial LRU implementation
   * operates per-segment rather than globally for increased implementation simplicity. We expect

- **Network**
  - [stable] Services can reference another service by DNS name, rather than being hosted in pods ([kubernetes/features#33](https://github.com/kubernetes/enhancements/issues/33))

#### **Cloud Provider Integration**

- Structured Authentication Configuration now supports `DiscoveryURL`. If specified, `discoveryURL` overrides the URL used to fetch discovery information. This is for scenarios where the well-known and jwks endpoints are hosted at a different location than the issuer (such as locally in the cluster).
   ([#123527](https://github.com/kubernetes/kubernetes/pull/123527), [@aramase](https://github.com/aramase))

# Changes

A complete changelog for the release notes is now hosted in a customizable format at [relnotes.k8s.io](https://relnotes.k8s.io). Check it out and please give us your feedback!

## What’s New (Major Themes)

### Cloud Provider Labels reach General Availability

## Changelog since v1.17.0

A complete changelog for the release notes is now hosted in a customizable
format at [https://relnotes.k8s.io][1]. Check it out and please give us your
feedback!

[1]: https://relnotes.k8s.io/?releaseVersions=1.18.0

## What’s New (Major Themes)

# Kubernetes v1.15 Release Notes

## 1.15 What’s New

A complete changelog for the release notes is now hosted in a customizable format at [https://relnotes.k8s.io/](https://relnotes.k8s.io/?releaseVersions=1.15.0). Check it out and please give us your feedback!

* fixing Cassandra shutdown example to avoid data corruption ([#39199](https://github.com/kubernetes/kubernetes/pull/39199), [@deimosfr](https://github.com/deimosfr))
* kubeadm: add optional self-hosted deployment for apiserver, controller-manager and scheduler. ([#40075](https://github.com/kubernetes/kubernetes/pull/40075), [@pires](https://github.com/pires))

The cri-tools project, which aims to provide consistent tooling for operators to debug and introspect their nodes in production independent of their chosen container runtime, graduated to GA.