*   The Kubelet's feature gates are now specified as a map when provided via a JSON or YAML KubeletConfiguration, rather than as a string of key-value pairs, making them less awkward for users. ([#53025](https://github.com/kubernete...

## Known Issues

* If you need to downgrade from 1.10 to 1.9.x, downgrade to v1.9.6 to ensure PV and PVC objects can be deleted properly.

- Respect annotation size limit for server-side apply updates to the client-side apply annotation. Also, fix opt-out of this behavior by setting the client-side apply annotation to the empty string. ([#102105](https://github.com/kubernetes/kubernetes/pull/102105), [@julianvmodesto](https://github.com/julianvmodesto)) [SIG API Machinery]

- Fixed a memory leak in the Kubernetes API server that occurs during APIService processing. ([#117310](https://github.com/kubernetes/kubernetes/pull/117310), [@enj](https://github.com/enj)) [SIG API Machinery]

* GCE: Bump GLBC version to 0.9.6 ([#50096](https://github.com/kubernetes/kubernetes/pull/50096), [@nicksardo](https://github.com/nicksardo))
* Remove 0,1,3 from rand.String, to avoid 'bad words' ([#50070](https://github.com/kubernetes/kubernetes/pull/50070), [@dixudx](https://github.com/dixudx))

* Added kubelet serving certificate metric `server_rotation_seconds` which is a histogram reporting the age of a just rotated serving certificate in seconds. ([#84534](https://github.com/kubernetes/kubernetes/pull/84534), [@sambdavidson](https://github.com/sambdavidson))

- The NodeShutdown taint is now supported for Azure. ([#68033](https://github.com/kubernetes/kubernetes/pull/68033), [@yastij](https://github.com/yastij))

### SIG CLI

  
  These metrics can be used to monitor the health of the Encryption Configuration Controller and to troubleshoot any issues that may arise during automatic reloading of encryption configuration. ([#119008](https://github.com/kubernetes/kubernetes/pull/119008), [@nilekhc](https://github.com/nilekhc))

deprecated, and will be removed in a future release. The default behavior (proxy streaming requests through the kubelet) will be the only supported option. If you are setting `--redirect-container-streaming=true`, then you must migrate off this configuration. The flag will no longer be able to be enabled starting in v1.20. If you are not setting the flag, no action is necessary. ([#88290](https://github.com/kubernetes/kubernetes/pull/88290), [@tallclair](https://github.com/tallclair)) [SIG API Machinery...

* Fix a bug where kubelet would not retry pod sandbox creation when the restart policy of the pod is Never ([#79451](https://github.com/kubernetes/kubernetes/pull/79451), [@yujuhong](https://github.com/yujuhong))