jflute <******@****.***> 1437804256 +0900

- client-go
  - Remove `DirectCodecFactory` (replaced with `serializer.WithoutConversionCodecFactory`), `DirectEncoder` (replaced with `runtime.WithVersionEncoder`) and `DirectDecoder` (replaced with `runtime.WithoutVersionDecoder`). ([#79263](https://github.com/kubernetes/kubernetes/pull/79263), [@draveness](https://github.com/draveness))

    if (!condition) {
      throw new AssertionFailedError(
          template
              .replace("$RELATIONSHIP", relationshipName)
              .replace("$HASH", hashName)
              .replace("$ITEM", itemReporter.reportItem(item))
              .replace("$OTHER", itemReporter.reportItem(other)));
    }
  }

  private Item<T> getItem(int groupNumber, int itemNumber) {

- Coordination.v1alpha1 API is dropped and replaced with coordination.v1alpha2. Old coordination.v1alpha1 types must be deleted before upgrade ([#127857](https://github.com/kubernetes/kubernetes/pull/127857), [@Jefftree](https://github.com/Jefftree)) [SIG API Machinery, Etcd, Scheduling and Testing]...

    if (!condition) {
      throw new AssertionFailedError(
          template
              .replace("$RELATIONSHIP", relationshipName)
              .replace("$HASH", hashName)
              .replace("$ITEM", itemReporter.reportItem(item))
              .replace("$OTHER", itemReporter.reportItem(other)));
    }
  }

  private Item<T> getItem(int groupNumber, int itemNumber) {

  - The "JoinConfiguration.discovery.timeout" field has been replaced by "JoinConfiguration.timeouts.discovery".
  - The "ClusterConfiguration.timeoutForControlPlane" field has been replaced by "{Init|Join}Configuration.timeouts.controlPlaneComponentHealthCheck".

    [rescheduler](https://kubernetes.io/docs/admin/rescheduler/) to guarantee
    resource availability for critical system pods.
* **[alpha]** `--experimental-nvidia-gpus` flag is replaced by `Accelerators` alpha
  feature gate along with addition of support for multiple Nvidia GPUs.
  - To use GPUs, pass `Accelerators=true` as part of `--feature-gates` flag.

                String fieldNamePart = field.getName().substring("LABELS_".length());
                String expectedValuePart = fieldNamePart.toLowerCase()
                        .replace("_", ".")
                        .replaceAll("\\.placeholder$", ".placeholder")
                        .replaceAll("\\.placeholder\\.(.+)", ".placeholder_$1");

- Kubeadm: Fixes a kubeadm upgrade bug that could cause a custom CoreDNS configuration to be replaced with the default. ([#97016](https://github.com/kubernetes/kubernetes/pull/97016), [@rajansandeep](https://github.com/rajansandeep)) [SIG Cluster Lifecycle]

  It will affect some metrics values related to the InterPodAffinity Score plugin. ([#117794](https://github.com/kubernetes/kubernetes/pull/117794), [@utam0k](https://github.com/utam0k)) [SIG Scheduling]
- The scheduler skips the `PodTopologySpread` Filter plugin if no spread constraints.