to not return an error when the specified target can be detected as not a mount point. On Linux, the behavior of detecting a mount point depends on `umount` command is validated when the mounter is created. Additionally, mount point checks will be skipped in CleanupMountPoint/CleanupMountWithForce if the mounter's Unmount having the changed behavior of not returning error when target is not a mount point. ([#109676](https://github.com/kubernetes/kubernetes/pull/109676), [@cartermckinnon](https://g...

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  * Rescheduler relies on taints, which were changed in a backward incompatible way. Rescheduler 0.3 shipped together with Kubernetes 1.6 understands the new taints and will clean up the old annotations, but Rescheduler 0.2 shipped together with Kubernetes 1.5 doesn't understand the new taints. In order to avoid eviction loop during 1.5->1.6 upgrade you need to either upgrade the master node atomically (for example...

      response: MockResponse.Builder,
      content: String,
      chunkSize: Int,
    ) {
      setBody(response, Buffer().writeUtf8(content), chunkSize)
    }
  }

  /** Returns a gzipped copy of `bytes`.  */
  fun gzip(data: String): Buffer {
    val result = Buffer()
    val sink = GzipSink(result).buffer()
    sink.writeUtf8(data)
    sink.close()
    return result
  }

- Kube-proxy in nftables mode now allows pods on nodes without local service endpoints to access LoadBalancer Service ExternalIPs (with `externalTrafficPolicy: Local`). Previously, such traffic was dropped. This change brings nftables mode in line with iptables and IPVS modes, allowing traffic to be forwarded to available endpoints elsewhere in the cluster. ([#133969](https://github.com/kubernetes/kubernetes/pull/133969), [@aroradaman](https://github.com/aroradaman))...

- When updating a CRD, per-expression cost limit check are now skipped for `x-kubernetes-validations` rules of versions that are not mutated. ([#121460](https://github.com/kubernetes/kubernetes/pull/121460), [@jiahuif](https://github.com/jiahuif))

			metrics = append(metrics, MetricV2{
				Description: MetricDescription{
					Namespace: minioNamespace,
					Subsystem: notifySubsystem,
					Name:      "events_skipped_total",
					Help:      "Events that were skipped to be sent to the targets due to the in-memory queue being full",
					Type:      counterMetric,
				},
				Value: float64(nstats.EventsSkipped),
			})
			metrics = append(metrics, MetricV2{

        switch (fesenType) {
        case Constants.FESEN_TYPE_CLOUD:
        case Constants.FESEN_TYPE_AWS:
            if (logger.isDebugEnabled()) {
                logger.debug("Skipped configsync flush: {}", fesenType);
            }
            callback.run();
            break;
        default:
            ComponentUtil.getCurlHelper().post("/_configsync/flush").execute(response -> {

### Other notable changes

* kubeadm: run kube-proxy on non-master tainted nodes ([#65931](https://github.com/kubernetes/kubernetes/pull/65931), [@neolit123](https://github.com/neolit123))
* Fix an issue with dropped audit logs, when truncating and batch backends enabled at the same time. ([#65823](https://github.com/kubernetes/kubernetes/pull/65823), [@loburm](https://github.com/loburm))

### Controller Manager