Initially introduced in 1.18, Kubernetes 1.20 now enables API Priority and Fairness (APF) by default. This allows `kube-apiserver` to [categorize incoming requests by priority levels](https://docs.k8s.io/concepts/cluster-administration/flow-control/).

### IPv4/IPv6 run

        activityHelper.useEcsFormat = true;
        activityHelper.login(OptionalThing.empty());
        assertEquals(
                "{\"@timestamp\":\"2022-01-01T00:00:00.000Z\",\"log.level\":\"INFO\",\"ecs.version\":\"1.2.0\",\"service.name\":\"fess\",\"event.dataset\":\"app\",\"process.thread.name\":\"main\",\"log.logger\":\"org.codelibs.fess.helper.ActivityHelperTest$1\",\"labels.action\":\"LOGIN\",\"labels.user\":\"-\",\"labels.permissions\":\"-\"}",

- [v1.12.0-rc.2](#v1120-rc2)
- [v1.12.0-rc.1](#v1120-rc1)
- [v1.12.0-beta.2](#v1120-beta2)
- [v1.12.0-beta.1](#v1120-beta1)
- [v1.12.0-alpha.1](#v1120-alpha1)



# v1.12.0-rc.2

[Documentation](https://docs.k8s.io) & [Examples](https://releases.k8s.io/release-1.12/examples)

## Downloads for v1.12.0-rc.2


filename | sha256 hash

- [CHANGELOG-1.24.md](./CHANGELOG-1.24.md)
- [CHANGELOG-1.23.md](./CHANGELOG-1.23.md)
- [CHANGELOG-1.22.md](./CHANGELOG-1.22.md)
- [CHANGELOG-1.21.md](./CHANGELOG-1.21.md)
- [CHANGELOG-1.20.md](./CHANGELOG-1.20.md)
- [CHANGELOG-1.19.md](./CHANGELOG-1.19.md)
- [CHANGELOG-1.18.md](./CHANGELOG-1.18.md)
- [CHANGELOG-1.17.md](./CHANGELOG-1.17.md)
- [CHANGELOG-1.16.md](./CHANGELOG-1.16.md)

  integrity sha512-lqaoKnRYBdo1UgDX8uF24AfGMifWK19TxPmM5FHc2vAGxrJ/qtyUyFBWoY1tISZdelsQ5fBcOusifo5o5wSJxQ==

"@xtuc/ieee754@^1.2.0":
  version "1.2.0"
  resolved "https://registry.yarnpkg.com/@xtuc/ieee754/-/ieee754-1.2.0.tgz#eef014a3145ae477a1cbc00cd1e552336dceb790"
  integrity sha512-DX8nKgqcGwsc0eJSqYt5lwP4DH5FlHnmuWWBRy7X0NcaGR0ZtuyeESgMwTYVEtxmsNGY+qit4QYT/MIYTOTPeA==

"@xtuc/long@4.2.2":

  /**
   * Creates an empty {@code ArrayDeque}.
   *
   * @since 12.0
   */
  public static <E> ArrayDeque<E> newArrayDeque() {
    return new ArrayDeque<>();
  }

  /**
   * Creates an {@code ArrayDeque} containing the elements of the specified iterable, in the order
   * they are returned by the iterable's iterator.
   *
   * @since 12.0
   */

  abstract ImmutableSortedSet<E> tailSetImpl(E fromElement, boolean inclusive);

  /**
   * @since 12.0
   */
  @GwtIncompatible // NavigableSet
  @Override
  public @Nullable E lower(E e) {
    return Iterators.<@Nullable E>getNext(headSet(e, false).descendingIterator(), null);
  }

  /**
   * @since 12.0
   */
  @Override
  public @Nullable E floor(E e) {

 *
 * <p>The {@code standard} methods and the collection views they return are not guaranteed to be
 * thread-safe, even when all of the methods that they depend on are thread-safe.
 *
 * @author Louis Wasserman
 * @since 12.0
 */
@GwtIncompatible
public abstract class ForwardingNavigableMap<K extends @Nullable Object, V extends @Nullable Object>
    extends ForwardingSortedMap<K, V> implements NavigableMap<K, V> {

 *
 * <p>The {@code standard} methods and the collection views they return are not guaranteed to be
 * thread-safe, even when all of the methods that they depend on are thread-safe.
 *
 * @author Louis Wasserman
 * @since 12.0
 */
@GwtIncompatible
public abstract class ForwardingNavigableMap<K extends @Nullable Object, V extends @Nullable Object>
    extends ForwardingSortedMap<K, V> implements NavigableMap<K, V> {

      <version>1.0.9</version>
      <version>1.0.10</version>
      <version>1.0.11</version>
      <version>1.0.12</version>
      <version>1.1.0</version>
      <version>1.1.1</version>
      <version>1.2.0</version>
      <version>1.2.1</version>
      <version>1.3.0</version>
      <version>1.3.1</version>
      <version>1.3.2</version>
      <version>1.4.0</version>
      <version>1.4.1</version>