* update the signing key for percona debian and ubuntu packages ([#41186](https://github.com/kubernetes/kubernetes/pull/41186), [@dixudx](https://github.com/dixudx))
* fc: Drop multipath.conf snippet ([#36698](https://github.com/kubernetes/kubernetes/pull/36698), [@fabiand](https://github.com/fabiand))

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

 - `kubeadm join` now delegates TLS Bootstrapping to the kubelet itself, instead
 of reimplementing the process. `kubeadm join` writes the bootstrap kubeconfig
 file to `/etc/kubernetes/bootstrap-kubelet.conf`.

#### Defaults

 - The default spec.updateStrategy for the StatefulSet and DaemonSet kinds is
 RollingUpdate for the apps/v1beta2 group version. You can explicitly set