- Add `permit_wait_duration_seconds` metric to the scheduler. ([#84011](https://github.com/kubernetes/kubernetes/pull/84011), [@liu-cong](https://github.com/liu-cong))

### Deprecated/changed metrics

  - labels/annotations that are consumed by any cloud specific controllers

In addition to the above, SIG Cloud Provider has been focusing on a long running effort to remove cloud provider code from kubernetes/kubernetes.

### SIG-cluster-lifecycle

- Fixed a bug where startupProbe stopped working after a container's first restart ([#101093](https://github.com/kubernetes/kubernetes/pull/101093), [@wzshiming](https://github.com/wzshiming)) [SIG Node]
- Fixed port-forward memory leak for long-running and heavily used connections. ([#99839](https://github.com/kubernetes/kubernetes/pull/99839), [@saschagrunert](https://github.com/saschagrunert)) [SIG API Machinery and Node]

## Changelog since v1.8.14

### Action Required

* ACTION REQUIRED: Kubernetes JSON deserializer is now case-sensitive to restore compatibility with pre-1.8 servers. If your config files contains fields with wrong case, the config files will be now invalid. ([#65410](https://github.com/kubernetes/kubernetes/pull/65410), [@nikhita](https://github.com/nikhita))

### Other notable changes

  and `sync_partial_proxy_rules_duration_seconds` (in addition to the existing
  `sync_proxy_rules_duration_seconds`), to give better information about how long
  each sync type is taking, rather than only giving a weighted average of the two
  sync types together. ([#117787](https://github.com/kubernetes/kubernetes/pull/117787), [@danwinship](https://github.com/danwinship)) [SIG Network]

- Added support for installing `arm64` node artifacts. ([#99242](https://github.com/kubernetes/kubernetes/pull/99242), [@liu-cong](https://github.com/liu-cong))

## Changelog since v1.9.8

### Action Required

* ACTION REQUIRED: Kubernetes JSON deserializer is now case-sensitive to restore compatibility with pre-1.8 servers. If your config files contains fields with wrong case, the config files will be now invalid. ([#65298](https://github.com/kubernetes/kubernetes/pull/65298), [@nikhita](https://github.com/nikhita))

  - https://github.com/kubernetes-sigs/kustomize/pull/4985: If you previously included .git in an AWS or Azure URL, we will no longer automatically remove that suffix. You may need to add an...

    * If your config files contains fields with wrong case, the config files will be now invalid.

* Fix CVE-2019-11247: API server allows access to custom resources via wrong scope ([#80750](https://github.com/kubernetes/kubernetes/pull/80750))

See also the [security announcement for this release](https://groups.google.com/forum/#!topic/kubernetes-security-announce/vUtEcSEY6SM).

# v1.13.8