- Kube-apiserver: resolved a regression that treated `304 Not Modified` responses from aggregated API servers as internal errors ([#112529](https://github.com/kubernetes/kubernetes/pull/112529), [@liggitt](https://github.com/liggitt)) [SIG API Machinery]

    a written agreement with Participant.

    6.3. If You assert a patent infringement claim against Participant
    alleging that the Participant Software directly or indirectly
    infringes any patent where such claim is resolved (such as by
    license or settlement) prior to the initiation of patent
    infringement litigation, then the reasonable value of the licenses
    granted by such Participant under Sections 2.1 or 2.2 shall be taken

  * Disallows installation of upstream docker from PPA in the Juju kubernetes-worker charm. ([#44681](https://github.com/kubernetes/kubernetes/pull/44681), [@wwwtyro](https://github.com/wwwtyro))

  * Resolves juju vsphere hostname bug showing only a single node in a scaled node-pool. ([#44780](https://github.com/kubernetes/kubernetes/pull/44780), [@chuckbutler](https://github.com/chuckbutler))

          <required>false</required>
          <description>Default dependency information for projects that inherit from this one. The
            dependencies in this section are not immediately resolved. Instead, when a POM derived
            from this one declares a dependency described by a matching groupId and artifactId, the
            version and other values from this section are used for that dependency if they were not

- Kube-apiserver: resolves possible hung connections using konnectivity network proxy with TCP or UDS HTTP connect configurations ([#113862](https://github.com/kubernetes/kubernetes/pull/113862), [@jkh52](https://github.com/jkh52)) [SIG API Machinery]

- Resolve a "concurrent map read and map write" crashing error in the kubelet ([#95111](https://github.com/kubernetes/kubernetes/pull/95111), [@choury](https://github.com/choury)) [SIG Node]

## Changelog since v1.15.11

## Changes by Kind

### Bug or Regression

* Resolves bottleneck in internal API server communication that can cause increased goroutines and degrade API Server performance ([#80465](https://github.com/kubernetes/kubernetes/pull/80465), [@answer1991](https://github.com/answer1991))

- Mount-utils: treat syscall.ENODEV as corrupted mount ([#126174](https://github.com/kubernetes/kubernetes/pull/126174), [@dobsonj](https://github.com/dobsonj)) [SIG Storage]
- Resolve a regression in 1.30 default behavior for kubectl exec, cp, and attach which fail when using an HTTPS proxy. ([#126253](https://github.com/kubernetes/kubernetes/pull/126253), [@seans3](https://github.com/seans3)) [SIG API Machinery and CLI]

        try {
            return InetAddress.getByName(host);
        } catch (final UnknownHostException e) {
            throw new FessSystemException("Failed to resolve the hostname: " + host, e);
        }
    }

    @PostConstruct
    public void open() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initialize {}", this.getClass().getSimpleName());