- Promoted `CustomResourceFieldSelectors` to stable; the feature was enabled by default. The `--feature-gates=CustomResourceFieldSelectors=true` flag was no longer needed on kube-apiserver binaries and would be removed in a future release. ([#127673](https://github.com/kubernetes/kubernetes/pull/127673), [@jpbetz](https://github.com/jpbetz)) [SIG API Machinery and Testing]

- Promoted feature-gate `VolumeAttributesClass` to GA
  - Promoted API `VolumeAttributesClass` and `VolumeAttributesClassList` to `storage.k8s.io/v1`. ([#131549](https://github.com/kubernetes/kubernetes/pull/131549), [@carlory](https://github.com/carlory)) [SIG API Machinery, Apps, Auth, CLI, Etcd, Storage and Testing]

- Promoted kubectl `--subresource` flag to stable. ([#130238](https://github.com/kubernetes/kubernetes/pull/130238), [@soltysh](https://github.com/soltysh))
- Promoted the `CRDValidationRatcheting` feature gate to GA in 1.33 ([#130013](https://github.com/kubernetes/kubernetes/pull/130013), [@yongruilin](https://github.com/yongruilin)) [SIG API Machinery]

- Promote KEP-4191 "Split Image Filesystem" to Beta. ([#126205](https://github.com/kubernetes/kubernetes/pull/126205), [@kwilczynski](https://github.com/kwilczynski)) [SIG Node]
- Promote ProcMountType feature to Beta ([#125259](https://github.com/kubernetes/kubernetes/pull/125259), [@sohankunkerkar](https://github.com/sohankunkerkar)) [SIG Node]

               * case we ever switch to JUnit 4:
               */
              fail();
            }
          }
        });
  }

  // TODO(cpovirk): promote to Uninterruptibles, and add untimed version
  private static void joinUninterruptibly(Thread thread, long timeout, TimeUnit unit) {
    boolean interrupted = false;
    try {

               * case we ever switch to JUnit 4:
               */
              fail();
            }
          }
        });
  }

  // TODO(cpovirk): promote to Uninterruptibles, and add untimed version
  private static void joinUninterruptibly(Thread thread, long timeout, TimeUnit unit) {
    boolean interrupted = false;
    try {

          throw new AssertionFailedError("You weren't supposed to actually invoke me!");
        }
      };

  public void testAnyAndNone_logicalOps() throws Exception {
    // These are testing behavior that's never promised by the API, but since
    // we're lucky enough that these do pass, it saves us from having to write
    // more excruciating tests! Hooray!

    assertSame(CharMatcher.any(), CharMatcher.none().negate());

          throw new AssertionFailedError("You weren't supposed to actually invoke me!");
        }
      };

  public void testAnyAndNone_logicalOps() throws Exception {
    // These are testing behavior that's never promised by the API, but since
    // we're lucky enough that these do pass, it saves us from having to write
    // more excruciating tests! Hooray!

    assertSame(CharMatcher.any(), CharMatcher.none().negate());

    for (int x : POSITIVE_INTEGER_CANDIDATES) {
      for (RoundingMode mode : ALL_SAFE_ROUNDING_MODES) {
        // The BigInteger implementation is tested separately, use it as the reference.
        // Promote the int value (rather than using intValue() on the expected value) to avoid
        // any risk of truncation which could lead to a false positive.

  @GwtIncompatible // TODO
  public void testSqrtMatchesBigInteger() {
    for (long x : POSITIVE_LONG_CANDIDATES) {
      for (RoundingMode mode : ALL_SAFE_ROUNDING_MODES) {
        // Promote the long value (rather than using longValue() on the expected value) to avoid
        // any risk of truncation which could lead to a false positive.