- `kubectl config set-context` can now set attributes of the current context, such as the current namespace, by passing `--current` instead of a specific context name ([#66140](https://github.com/kubernetes/kubernetes/pull/66140), [@liggitt](https://github.com/liggitt))

     *
     * @param parentKey the parent key
     * @param currentKey the current key
     * @return the combined key path
     */
    protected String buildKey(final String parentKey, final String currentKey) {
        if (StringUtil.isBlank(parentKey)) {
            return currentKey;
        }
        return parentKey + nestedKeySeparator + currentKey;
    }

    /**

  @Test
  fun nonStandardAuthenticationSchemeWithRealm() {
    val calls = authCallsForHeader("WWW-Authenticate: Foo realm=\"Bar\"")
    assertThat(calls.size).isEqualTo(0)
  }

  // Digest auth is currently unsupported. Test that digest requests should fail reasonably.
  // http://code.google.com/p/android/issues/detail?id=11140
  @Test
  fun digestAuthentication() {
    val calls =
      authCallsForHeader(

- Kubeadm: fixed a bug where the node registration information for a given node was not fetched correctly during "kubeadm upgrade node" and the node name can end up being incorrect in cases...

  </mime-type>
  
  <mime-type type="application/vnd.sun.xml.writer">
    <sub-class-of type="application/zip"/>
    <glob pattern="*.sxw"/>
  </mime-type>
  <!-- can't currently find any diff in contents btwn writer
    and template. Must rely on extension -->
  <mime-type type="application/vnd.sun.xml.writer.template">
    <sub-class-of type="application/vnd.sun.xml.writer"/>

### Bug or Regression

- Currently, NodeAdded QueueingHint could not always be called because of the internal feature called preCheck.
  It's definitely not something expected for plugin developers,

## Known Issues

### Summary API in kubelet doesn't have accelerator metrics

### Scheduling
* **Multiple schedulers**
  * Modify your PodSpecs that currently use the `scheduler.alpha.kubernetes.io/name` annotation on Pod, to instead use the `schedulerName` field in the PodSpec.

            throw new IllegalArgumentException("Session key not found: " + sessionId);
        }

        // Get current key
        byte[] currentKey = getRawKey(sessionId);
        if (currentKey == null) {
            throw new IllegalStateException("Unable to retrieve current key for rotation");
        }

        try {
            // Generate new key version

- Kubernetes now correctly handles "search ." in the host's resolv.conf file by preserving the "." entry in the "resolv.conf" that the kubelet writes to pods. ([#109441](https://github.com/kubernetes/kubernetes/pull/109441), [@Miciah](https://github.com/Miciah)) [SIG Network and Node]