- Kubeadm: reset raises warnings if it cannot delete folders ([#85265](https://github.com/kubernetes/kubernetes/pull/85265), [@SataQiu](https://github.com/SataQiu))

* kubeadm: reset raises warnings if it cannot delete folders ([#85265](https://github.com/kubernetes/kubernetes/pull/85265), [@SataQiu](https://github.com/SataQiu))

    <glob pattern="*.msg" />
    <sub-class-of type="application/x-tika-msoffice"/>
  </mime-type>

  <mime-type type="application/vnd.ms-outlook-pst">
    <_comment>Outlook Personal Folders File Format</_comment>
    <magic priority="50">
       <match value="!BDN....SM" type="string" offset="0" mask="0xFFFFFFFF00000000FFFF"/>
    </magic>
    <glob pattern="*.pst"/>
    <glob pattern="*.ost"/>

- Fix an error when using external etcd but storing etcd certificates in the same folder with the same name used by kubeadm for local etcd certificates; for an older version of kubeadm, the workaround is to avoid file name used by kubeadm for local etcd. ([#80867](https://github.com/kubernetes/kubernetes/pull/80867), [@fabriziopandini](https://github.com/fabriziopandini))...

- The `StructuredAuthenticationConfiguration` feature is now beta and enabled. ([#123719](https://github.com/kubernetes/kubernetes/pull/123719), [@enj](https://github.com/enj))
- The `kube_codegen` tool now ignores the vendor folder during code generation.
   ([#122729](https://github.com/kubernetes/kubernetes/pull/122729), [@jparrill](https://github.com/jparrill))

- Kubeadm: do not check if the `/etc/kubernetes/manifests` folder is empty on joining worker nodes during preflight ([#104942](https://github.com/kubernetes/kubernetes/pull/104942), [@SataQiu](https://github.com/SataQiu))

however, kubectl v1.21 and older do not support the new API for ephemeral containers.

- VSphere: Fix regression during attach disk if datastore is within a storage folder or datastore cluster. ([#102999](https://github.com/kubernetes/kubernetes/pull/102999), [@gnufied](https://github.com/gnufied)) [SIG Cloud Provider]

## Dependencies

### Added
_Nothing has changed._

- LeaseLocks could now have custom labels that different holders would overwrite when they became the holder of the underlying lease. ([#131632](https://github.com/kubernetes/kubernetes/pull/131632), [@DerekFrank](https://github.com/DerekFrank))

Please see the [Releases Page](https://github.com/kubernetes/kubernetes/releases) for older releases.

Release notes of older releases can be found in:
- [CHANGELOG-1.2.md](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.2.md)