* -viper-config can be used to select a file with full path, with or without file suffix
   * the csiImageVersion/Registry flags were renamed to storage.csi.imageVersion/Registry
* Move FakeCache to pkg/scheduler/internal/cache/fake. ([#69318](https://github.com/kubernetes/kubernetes/pull/69318), [@wgliang](https://github.com/wgliang))

  cloud-config: "{cloud-config-path}"
apiServerExtraVolumes:
- name: cloud
  hostPath: "{cloud-config-path}"
  mountPath: "{cloud-config-path}"
controllerManagerExtraArgs:
  cloud-provider: "{cloud}"
  cloud-config: "{cloud-config-path}"
controllerManagerExtraVolumes:
- name: cloud
  hostPath: "{cloud-config-path}"
  mountPath: "{cloud-config-path}"
```

* Relative paths in the Kubelet's local config files (--init-config-dir) will be resolved relative to the location of the containing files. ([#55648](https://github.com/kubernetes/kubernetes/pull/55648), [@mtaufen](https://github.com/mtaufen))

* Paths containing backsteps (for example, "../bar") are no longer allowed in hostPath volume paths, or in volumeMount subpaths ([#47290](https://github.com/kubernetes/kubernetes/pull/47290), [@jhorwit2](https://github.com/jhorwit2))

- Added a new flag `--append-server-path` to `kubectl proxy` that will automatically append the kube context server path to each request. ([#97350](https://github.com/kubernetes/kubernetes/pull/97350), [@FabianKramm](https://github.com/FabianKramm))

* Add path exist check in getPodVolumePathListFromDisk ([#38909](https://github.com/kubernetes/kubernetes/pull/38909), [@jingxu97](https://github.com/jingxu97))
* Begin paths for internationalization in kubectl ([#36802](https://github.com/kubernetes/kubernetes/pull/36802), [@brendandburns](https://github.com/brendandburns))

* Paths containing backsteps (for example, "../bar") are no longer allowed in hostPath volume paths, or in volumeMount subpaths ([#47290](https://github.com/kubernetes/kubernetes/pull/47290), [@jhorwit2](https://github.com/jhorwit2))

In Kubernetes 1.18, there are two significant additions to Ingress: A new `pathType` field and a new `IngressClass` resource. The `pathType` field allows specifying how paths should be matched. In addition to the default `ImplementationSpecific` type, there are new `Exact` and `Prefix` path types. 

- Added --authorization-always-allow-paths to components doing delegated authorization to exclude certain HTTP paths like /healthz from authorization. ([#67543](https://github.com/kubernetes/kubernetes/pull/67543), [@sttts](https://github.com/sttts))

- `Statefulset` respected `minReadySeconds`. ([#130909](https://github.com/kubernetes/kubernetes/pull/130909), [@Edwinhr716](https://github.com/Edwinhr716))
- `kubectl create|delete|get|replace --raw` commands now honored the server root paths specified in the kubeconfig file. ([#131165](https://github.com/kubernetes/kubernetes/pull/131165), [@liggitt](https://github.com/liggitt))

### Other (Cleanup or Flake)