- kubeadm: now allows the usage of `--kubeconfig-dir` and `--config` flags on kubeadm init ([#73998](https://github.com/kubernetes/kubernetes/pull/73998), [@yagonobre](https://github.com/yagonobre))

- E2e.test: removed the  `--viper-config` flag. If you were previously using this to pass flags to `e2e.test` via a file, you will need to pass them directly on the command line, e.g. `e2e.test --e2e-output-dir`. ([#102598](https://github.com/kubernetes/kubernetes/pull/102598), [@dims](https://github.com/dims))

    /**
     * Get the value for the key 'use.own.tmp.dir'. <br>
     * The value is, e.g. true <br>
     * comment: Whether to use a dedicated temporary directory.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getUseOwnTmpDir();

    /**
     * Is the property for the key 'use.own.tmp.dir' true? <br>
     * The value is, e.g. true <br>

# Path to Java command.
java.command.path=java
# Path to Python command.
python.command.path=python
# Encoding for file paths.
path.encoding=UTF-8
# Whether to use a dedicated temporary directory.
use.own.tmp.dir=true
# Maximum length of log output.
max.log.output.length=4000
# Adaptive load control value.
adaptive.load.control=50
# Supported JavaScript file extensions for upload.
supported.uploaded.js.extentions=js

- Kubeadm: always mount the kube-controller-manager hostPath volume that is given by the `--flex-volume-plugin-dir` flag. ([#84468](https://github.com/kubernetes/kubernetes/pull/84468), [@neolit123](https://github.com/neolit123))

### General ephemeral volumes

* The alpha `--init-config-dir` flag has been removed. Instead, use the `--config` flag to reference a kubelet configuration file directly. ([#57624](https://github.com/kubernetes/kubernetes/pull/57624), [@mtaufen](https://github.com/mtaufen))

- Kubelet: the following dockershim related flags are also removed along with dockershim `--experimental-dockershim-root-directory`, `--docker-endpoint`, `--image-pull-progress-deadline`, `--network-plugin`, `--cni-conf-dir`, `--cni-bin-dir`, `--cni-cache-dir`, `--network-plugin-mtu`. ([#106907](https://github.com/kubernetes/kubernetes/pull/106907), [@cyclinder](https://github.com/cyclinder))

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  - apiserver-advertise-address / apiserver-bind-port: use either localAPIEndpoint from InitConfiguration or controlPlaneEndpoint from ClusterConfiguration.
  - cluster-name: use clusterName from ClusterConfiguration
  - cert-dir: use certificatesDir from ClusterConfiguration ([#94879](https://github.com/kubernetes/kubernetes/pull/94879), [@knight42](https://github.com/knight42)) [SIG Cluster Lifecycle]