* Fix kubernetes-master charm starting services before TLS certs are saved

    * Fix kubernetes-worker charm failures in LXD

    * Fix stop hook failure on kubernetes-worker charm

    * Fix handling of juju kubernetes-worker.restart-needed state

    * Fix nagios checks in charms

* Added support for network spaces in the kubeapi-load-balancer charm. ([#58708](https://github.com/kubernetes/kubernetes/pull/58708), [@hyperbolic2346](https://github.com/hyperbolic2346))

* Added support for network spaces in the kubernetes-master charm. ([#58704](https://github.com/kubernetes/kubernetes/pull/58704), [@hyperbolic2346](https://github.com/hyperbolic2346))

* Fix shebangs in charm actions to use python3 ([#42058](https://github.com/kubernetes/kubernetes/pull/42058), [@Cynerva](https://github.com/Cynerva))
* K8s master charm now properly keeps distributed master files in sync for an HA control plane. ([#41351](https://github.com/kubernetes/kubernetes/pull/41351), [@chuckbutler](https://github.com/chuckbutler))

*   Add support for RBAC ([#53820](https://github.com/kubernetes/kubernetes/pull/53820),[ @ktsakalozos](https://github.com/ktsakalozos))

* Remove Initializers from admission-control in kubernetes-master charm for pre-1.7 ([#46987](https://github.com/kubernetes/kubernetes/pull/46987), [@Cynerva](https://github.com/Cynerva))

([#64102](https://github.com/kubernetes/kubernetes/pull/64102), [@atombender](https://github.com/atombender))
* Added support for NFS relations on kubernetes-worker charm. ([#63817](https://github.com/kubernetes/kubernetes/pull/63817), [@hyperbolic2346](https://github.com/hyperbolic2346))

   * Returns the {@code char} value that is equal to {@code value}, if possible.
   *
   * @param value any value in the range of the {@code char} type
   * @return the {@code char} value that equals {@code value}
   * @throws IllegalArgumentException if {@code value} is greater than {@link Character#MAX_VALUE}
   *     or less than {@link Character#MIN_VALUE}
   */
  public static char checkedCast(long value) {
    char result = (char) value;

   * Returns the {@code char} value that is equal to {@code value}, if possible.
   *
   * @param value any value in the range of the {@code char} type
   * @return the {@code char} value that equals {@code value}
   * @throws IllegalArgumentException if {@code value} is greater than {@link Character#MAX_VALUE}
   *     or less than {@link Character#MIN_VALUE}
   */
  public static char checkedCast(long value) {
    char result = (char) value;

- Hostnames are now converted to lowercase before being used for node lookups in the kubernetes-worker charm. ([#65487](https://github.com/kubernetes/kubernetes/pull/65487), [@dshcherb](https://github.com/dshcherb))

* Add total inodes to kubelet summary api ([#30231](https://github.com/kubernetes/kubernetes/pull/30231), [@derekwaynecarr](https://github.com/derekwaynecarr))
* Updates required for juju kubernetes to use the tls-terminated etcd charm. ([#30104](https://github.com/kubernetes/kubernetes/pull/30104), [@mbruzek](https://github.com/mbruzek))