### Failing Test

- Escape the special characters like `[`, `]` and ` ` that exist in vsphere windows path ([#98830](https://github.com/kubernetes/kubernetes/pull/98830), [@liyanhui1228](https://github.com/liyanhui1228)) [SIG Storage and Windows]

  
  1. `apiGroup`: If set, it must be a valid DNS subdomain (e.g. 'example.com').
  2. `kind` and `name`: It must be valid path segment name. It may not be '.' or '..' and it may not contain '/' and '%' characters. ([#125218](https://github.com/kubernetes/kubernetes/pull/125218), [@carlory](https://github.com/carlory))
- Enabled kubectl to find `kubectl-create-subcommand` plugins when positional

- Limit vSphere volume name to 63 characters long. ([#100404](https://github.com/kubernetes/kubernetes/pull/100404), [@gnufied](https://github.com/gnufied))

## Changelog since v1.18.16

## Changes by Kind

### Failing Test

- Fix handing special characters in the volume path on Windows ([#99138](https://github.com/kubernetes/kubernetes/pull/99138), [@yujuhong](https://github.com/yujuhong)) [SIG Storage]

### Bug or Regression

air-traffic-control.aero
aircraft.aero
airtraffic.aero
ambulance.aero
association.aero
author.aero
ballooning.aero
broker.aero
caa.aero
cargo.aero
catering.aero
certification.aero
championship.aero
charter.aero
civilaviation.aero
club.aero
conference.aero
consultant.aero
consulting.aero
control.aero
council.aero
crew.aero
design.aero
dgca.aero
educator.aero
emergency.aero
engine.aero

cf
cf-ipfs.com
cfa
cfd
cfolks.pl
cg
ch
ch.eu.org
ch.it
ch.trendhosting.cloud
chambagri.fr
championship.aero
chanel
channel
channelsdvr.net
charity
charter.aero
chase
chat
cheap
cheap.jp
cherkassy.ua
cherkasy.ua
chernigov.ua
chernihiv.ua
chernivtsi.ua
chernovtsy.ua
chiba.jp
chicappa.jp
chichibu.saitama.jp
chieti.it

- Volume mount cleanup now considers only plugin directory and not the entire kubelet root ([#112607](https://github.com/kubernetes/kubernetes/pull/112607), [@mattcary](https://github.com/mattcary))
- `kubectl` now escapes terminal special characters in output. This fixes CVE-2021-25743.
   ([#112553](https://github.com/kubernetes/kubernetes/pull/112553), [@dgl](https://github.com/dgl))

### Other (Cleanup or Flake)

- kubeadm now automatically sets the `--pod-infra-container-image` flag when starting the kubelet.

### SIG IBM Cloud

## Changelog since v1.20.4

## Changes by Kind

### Failing Test

- Fix handing special characters in the volume path on Windows ([#99008](https://github.com/kubernetes/kubernetes/pull/99008), [@yujuhong](https://github.com/yujuhong)) [SIG Storage]