- CRI client now used the default timeout for `ImageFsInfo` RPC. ([#128052](https://github.com/kubernetes/kubernetes/pull/128052), [@saschagrunert](https://github.com/saschagrunert))
- Clarified an API validation error for toleration if `operator` is `Exists` and `value` is not empty. ([#128119](https://github.com/kubernetes/kubernetes/pull/128119), [@saschagrunert](https://github.com/saschagrunert)) [SIG API Machinery and Apps]

   * @deprecated Unsupported operation.
   */
  @Deprecated
  @Override
  @DoNotCall("Always throws UnsupportedOperationException")
  public final void replaceAll(UnaryOperator<E> operator) {
    throw new UnsupportedOperationException();
  }

  /**
   * Guaranteed to throw an exception and leave the list unmodified.
   *
   * @throws UnsupportedOperationException always

    is invoked, then you must make a good faith effort to ensure that,
    in the event an application does not supply such function or
    table, the facility still operates, and performs whatever part of
    its purpose remains meaningful.

    (For example, a function in a library to compute square roots has
    a purpose that is entirely well-defined independent of the

* Time for attach/detach retry operations has been decreased from 10-12s to 2-6s ([#56974](https://github.com/kubernetes/kubernetes/pull/56974), [@gnufied](https://github.com/gnufied))

### Auth

* Contexts must be named in kubeconfigs. ([#56769](https://github.com/kubernetes/kubernetes/pull/56769), [@dixudx](https://github.com/dixudx))

        @Test
        @DisplayName("Should check if async")
        void testAsyncProperty() {
            assertFalse(testMessage.isAsync());
        }
    }

    @Nested
    @DisplayName("Flag Operations Tests")
    class FlagOperationsTests {

        @Test
        @DisplayName("Should add flags correctly")
        void testAddFlags() {
            assertEquals(0, testMessage.getFlags());

- We no longer allow the cluster operator to delete any suggested priority & fairness bootstrap configuration object. If a cluster operator removes a suggested configuration, it will be restored by the apiserver. ([#102067](https://github.com/kubernetes/kubernetes/pull/102067), [@tkashem](https://github.com/tkashem))

    assertThat(filesystem.exists(getCleanFile("g2", 1))).isFalse()
    assertThat(filesystem.exists(cacheDir / "otherFile0")).isFalse()
    assertThat(filesystem.exists(cacheDir / "dir1")).isFalse()
  }

  private operator fun set(
    key: String,
    value0: String,
    value1: String,
  ) {
    val editor = cache.edit(key)!!
    editor.setString(0, value0)
    editor.setString(1, value1)
    editor.commit()

            throw new SmbException(url.toString() + " directory must end with '/'");
        }
        if (getType() != TYPE_SERVER) {
            throw new SmbException("The requested list operations is invalid: " + url.toString());
        }

        map = new HashMap();

        if (dfs.isTrustedDomain(getServer(), auth)) {
            /* The server name is actually the name of a trusted

   * get() call. As measurements of time are prone to flakiness, it tries to assert based on ranges
   * derived from observing how much time actually passed for various operations.
   */
  @SuppressWarnings("ThreadPriorityCheck")
  @AndroidIncompatible // Thread.suspend
  public void testToString_delayedTimeout() throws Exception {

- For volumes that allow attaches across multiple nodes, attach and detach operations across different nodes are now executed in parallel. ([#89240](https://github.com/kubernetes/kubernetes/pull/89240), [@verult](https://github.com/verult)) [SIG Apps, Node and Storage]