- [Important Security Information](#important-security-information)
    - [CVE-2021-25735: Validating Admission Webhook does not observe some previous fields](#cve-2021-25735-validating-admission-webhook-does-not-observe-some-previous-fields)
  - [Changes by Kind](#changes-by-kind-2)
    - [API Change](#api-change-1)
    - [Feature](#feature)
    - [Bug or Regression](#bug-or-regression-2)

For initial installations, see the [Setup topics][] in the Kubernetes
documentation.

To upgrade to this release from a previous version, take any actions required
[Before Upgrading](#before-upgrading).

For more information about the release and for the latest documentation,
see the [Kubernetes documentation](https://kubernetes.io/docs/home/).

      - [Scheduling](#scheduling-2)
      - [Security](#security-1)
      - [Scalability](#scalability)
  - [**External Dependency Version Information**](#external-dependency-version-information)
    - [Previous Releases Included in v1.7.0](#previous-releases-included-in-v170)
- [v1.7.0-rc.1](#v170-rc1)
  - [Downloads for v1.7.0-rc.1](#downloads-for-v170-rc1)
    - [Client Binaries](#client-binaries-17)
    - [Server Binaries](#server-binaries-17)

* Upgrade golang.org/x/net image to release-branch.go1.10 ([#70663](https://github.com/kubernetes/kubernetes/pull/70663), [@wenjiaswe](https://github.com/wenjiaswe))
* Fixes a bug in previous releases where a pod could be placed inside another pod's cgroup when specifying --cgroup-root ([#70678](https://github.com/kubernetes/kubernetes/pull/70678), [@dashpole](https://github.com/dashpole))

    - [Registry](#registry)
  - [External Dependency Version Information](#external-dependency-version-information)
  - [Changelog since v1.6.0-rc.1](#changelog-since-v160-rc1)
    - [Previous Releases Included in v1.6.0](#previous-releases-included-in-v160)
- [v1.6.0-rc.1](#v160-rc1)
  - [Downloads for v1.6.0-rc.1](#downloads-for-v160-rc1)
    - [Client Binaries](#client-binaries-14)
    - [Server Binaries](#server-binaries-14)

- hyperkube: Use debian-hyperkube-base@v1.1.0 image
  
    A previous release built hyperkube using the debian-hyperkube-base@v1.0.0,
    which was updated to address a CVE in the CNI plugins.
    
    A side-effect of using this new image was that the networking packages

- Removed legacy cloud provider integration code (undoing a previous reverted commit). ([#124886](https://github.com/kubernetes/kubernetes/pull/124886), [@carlory](https://github.com/carlory)) [SIG Cloud Provider and Release]

### API Change

For initial installations, see the [Setup topics](https://kubernetes.io/docs/setup/pick-right-solution/) in the Kubernetes documentation.

To upgrade to this release from a previous version, first take any actions required [Before Upgrading](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.9.md#before-upgrading).

* Fix device mountable volume names in DSW to prevent races in device mountable plugin, e.g. local. ([#71509](https://github.com/kubernetes/kubernetes/pull/71509), [@cofyc](https://github.com/cofyc))
* Fixes a bug in previous releases where a pod could be placed inside another pod's cgroup when specifying --cgroup-root ([#70678](https://github.com/kubernetes/kubernetes/pull/70678), [@dashpole](https://github.com/dashpole))

## Urgent Upgrade Notes

### (No, really, you MUST do this before you upgrade)