- Kubeadm: fix a bug where file copy(backup) could not be executed correctly on Windows platform during upgrade ([#117861](https://github.com/kubernetes/kubernetes/pull/117861), [@SataQiu](https://github.com/SataQiu)) [SIG Cluster Lifecycle]

    - [API-Machinery](#api-machinery-1)
    - [Network](#network-1)
    - [Azure](#azure-1)
    - [Scheduling](#scheduling)
    - [Other changes](#other-changes)
  - [Non-user-facing Changes](#non-user-facing-changes)
  - [External Dependencies](#external-dependencies)
- [v1.10.0-rc.1](#v1100-rc1)
  - [Downloads for v1.10.0-rc.1](#downloads-for-v1100-rc1)
    - [Client Binaries](#client-binaries-14)

    - [Node Binaries](#node-binaries-7)
  - [Changelog since v1.21.6](#changelog-since-v1216)
  - [Changes by Kind](#changes-by-kind-6)
    - [Feature](#feature-4)
    - [Failing Test](#failing-test)
    - [Bug or Regression](#bug-or-regression-6)
  - [Dependencies](#dependencies-7)
    - [Added](#added-7)
    - [Changed](#changed-7)
    - [Removed](#removed-7)
- [v1.21.6](#v1216)

*   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...

/kind api-change
/kind deprecation
/kind failing-test
/kind flake
/kind regression
-->

#### What this PR does / why we need it:

#### Which issue(s) this PR fixes:
<!--
*Automatically closes linked issue when PR is merged.
Usage: `Fixes #<issue number>`, or `Fixes (paste link of issue)`.

  - kubelet v1.28.1
  - kubelet v1.27.5
  - kubelet v1.26.8
  - kubelet v1.25.13
  - kubelet v1.24.17

This vulnerability was discovered by James Sturtevant @jsturtevant and Mark Rossetti @marosset during the process of fixing CVE-2023-3676 (that original CVE was reported by Tomer Peled @tomerpeled92)

    - [Server binaries](#server-binaries-3)
    - [Node binaries](#node-binaries-3)
  - [Changelog since v1.18.16](#changelog-since-v11816)
  - [Changes by Kind](#changes-by-kind-3)
    - [Failing Test](#failing-test)
    - [Bug or Regression](#bug-or-regression-3)
  - [Dependencies](#dependencies-3)
    - [Added](#added-3)
    - [Changed](#changed-3)
    - [Removed](#removed-3)
- [v1.18.16](#v11816)

### SIG-OpenStack

* Remove 0,1,3 from rand.String, to avoid 'bad words' ([#50070](https://github.com/kubernetes/kubernetes/pull/50070), [@dixudx](https://github.com/dixudx))
* Fix data race during addition of new CRD ([#50098](https://github.com/kubernetes/kubernetes/pull/50098), [@nikhita](https://github.com/nikhita))

- Kubeadm: warn but do not error out on missing "ca.key" files for root CA, front-proxy CA and etcd CA, during "kubeadm join --control-plane" if the user has provided all certificates, keys and kubeconfig files which require signing with the given CA keys. ([#94988](https://github.com/kubernetes/kubernetes/pull/94988), [@neolit123](https://github.com/neolit123))...