- Kubeadm: allow RSA and ECDSA format keys in preflight check ([#112535](https://github.com/kubernetes/kubernetes/pull/112535), [@SataQiu](https://github.com/SataQiu)) [SIG Cluster Lifecycle]

## Dependencies

### Added
_Nothing has changed._

- Kubeadm: allow RSA and ECDSA format keys in preflight check ([#112534](https://github.com/kubernetes/kubernetes/pull/112534), [@SataQiu](https://github.com/SataQiu)) [SIG Cluster Lifecycle]

## Dependencies

### Added
_Nothing has changed._

- Ensure service deleted when the Azure resource group has been deleted ([#100944](https://github.com/kubernetes/kubernetes/pull/100944), [@feiskyer](https://github.com/feiskyer)) [SIG Cloud Provider]
- Fix panic in JSON logging format caused by missing Duration encoder ([#101158](https://github.com/kubernetes/kubernetes/pull/101158), [@serathius](https://github.com/serathius)) [SIG API Machinery, Cluster Lifecycle and Instrumentation]

# Kubernetes v1.16.0 Release Notes

A complete changelog for the release notes is now hosted in a customizable format at [relnotes.k8s.io](https://relnotes.k8s.io/?releaseVersions=1.16.0). Check it out and please give us your feedback!

## What’s New (Major Themes)

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      transformation or translation of a Source form, including but
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      exercising permissions granted by this License.

      "Source" form shall mean the preferred form for making modifications,
      including but not limited to software source code, documentation
      source, and configuration files.

      "Object" form shall mean any form resulting from mechanical
      transformation or translation of a Source form, including but
      not limited to compiled object code, generated documentation,

      exercising permissions granted by this License.

      "Source" form shall mean the preferred form for making modifications,
      including but not limited to software source code, documentation
      source, and configuration files.

      "Object" form shall mean any form resulting from mechanical
      transformation or translation of a Source form, including but
      not limited to compiled object code, generated documentation,