- kube-proxy: Fixed a potential memory leak that could occur in clusters with a high volume of UDP workflows. ([#130032](https://github.com/kubernetes/kubernetes/pull/130032), [@aroradaman](https://github.com/aroradaman))
- kubeadm: Avoided loading the file passed to `--kubeconfig` during `kubeadm init` phases more than once. ([#129006](https://github.com/kubernetes/kubernetes/pull/129006), [@kokes](https://github.com/kokes))

     * comment: Timeout for loading index backup logs.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getIndexBackupLogLoadTimeout();

    /**
     * Get the value for the key 'index.backup.log.load.timeout' as {@link Integer}. <br>
     * The value is, e.g. 60000 <br>
     * comment: Timeout for loading index backup logs.

  the end. ([#112809](https://github.com/kubernetes/kubernetes/pull/112809), [@tkashem](https://github.com/tkashem)) [SIG API Machinery]
- Kube-apiserver: removed N^2 behavior loading webhook configurations. ([#114794](https://github.com/kubernetes/kubernetes/pull/114794), [@lavalamp](https://github.com/lavalamp)) [SIG API Machinery, Architecture, CLI, Cloud Provider and Node]

- Allow expansion of ephemeral volumes ([#109987](https://github.com/kubernetes/kubernetes/pull/109987), [@gnufied](https://github.com/gnufied)) [SIG Node and Storage]
- Apiserver: fixed audit of loading more than one webhooks. ([#110145](https://github.com/kubernetes/kubernetes/pull/110145), [@sxllwx](https://github.com/sxllwx))

* kube-apiserver: fixes loading of `--admission-control-config-file` containing AdmissionConfiguration apiserver.k8s.io/v1alpha1 config object ([#58439](https://github.com/kubernetes/kubernetes/pull/58439), [@liggitt](https://github.com/liggitt))

* Windows kube-proxy will wait for HNS network creation on start ([#78612](https://github.com/kubernetes/kubernetes/pull/78612), [@ksubrmnn](https://github.com/ksubrmnn))
* Fix error handling for loading initCfg in kubeadm upgrade and apply ([#78611](https://github.com/kubernetes/kubernetes/pull/78611), [@odinuge](https://github.com/odinuge))

* Support loading UTF16 files if a byte-order-mark is present ([#39008](https://github.com/kubernetes/kubernetes/pull/39008), [@brendandburns](https://github.com/brendandburns))

* Fix garbage collection and resource quota when the controller-manager uses --leader-elect=false ([#57340](https://github.com/kubernetes/kubernetes/pull/57340), [@jmcmeek](https://github.com/jmcmeek))
* kube-apiserver: fixes loading of `--admission-control-config-file` containing AdmissionConfiguration apiserver.k8s.io/v1alpha1 config object ([#58441](https://github.com/kubernetes/kubernetes/pull/58441), [@liggitt](https://github.com/liggitt))

- Add limited lines to log when having tail option ([#93920](https://github.com/kubernetes/kubernetes/pull/93920), [@zhouya0](https://github.com/zhouya0)) [SIG Node]
- Avoid systemd-logind loading configuration warning ([#97950](https://github.com/kubernetes/kubernetes/pull/97950), [@wzshiming](https://github.com/wzshiming)) [SIG Node]

    * loading a -viper-config=e2e.yaml with suffix (introduced in 1.13) works again and now has a regression test