- Headless Services with no selector which were created without dual-stack enabled will be defaulted to RequireDualStack instead of PreferDualStack.  This is consistent with such Services which are created with dual-stack enabled. ([#104986](https://github.com/kubernetes/kubernetes/pull/104986), [@thockin](https://github.com/thockin)) [SIG Network]

## Changelog since v1.26.2

## Changes by Kind

### API Change

        assertTrue(result);
        // Should have created 4 indices (config x2, user x1, log x1)
        assertEquals(4, testClient.createdIndices.size());
        // Should have called addMapping for each created index
        assertEquals(4, testClient.addMappingCalls.size());
        // Should have called createAlias for each created index
        assertEquals(4, testClient.createAliasCalls.size());

        // Clean up leases older than 5ms
        int cleaned = leaseManager.cleanupExpiredLeases(5);

        // At least the first lease should be cleaned
        assertTrue(cleaned >= 1);

        // Check if old lease was removed
        LeaseEntry entry1 = leaseManager.getLease(key1);
        if (cleaned == 2) {
            assertNull(entry1);
            assertNull(leaseManager.getLease(key2));

   *
   * <p>Expired entries may be counted in {@link Cache#size}, but will never be visible to read or
   * write operations. Expired entries are cleaned up as part of the routine maintenance described
   * in the class javadoc.
   *
   * @param duration the length of time after an entry is created that it should be automatically
   *     removed
   * @return this {@code CacheBuilder} instance (for chaining)

        }
    }

    /**
     * Clears all session contexts (for cleanup).
     */
    public void cleanup() {
        for (PreauthIntegrityContext context : sessionContexts.values()) {
            context.invalidate();
        }
        sessionContexts.clear();
        log.debug("Cleaned up all preauth integrity contexts");
    }

                    pathToLease.remove(entry.getValue().getPath());
                    cleaned++;
                    log.debug("Cleaned up expired lease: {}", entry.getKey());
                }
            }

            if (cleaned > 0) {
                log.info("Cleaned up {} expired leases", cleaned);
            }

            return cleaned;
        } finally {
            lock.writeLock().unlock();
        }
    }

   *
   * <p>Expired entries may be counted in {@link Cache#size}, but will never be visible to read or
   * write operations. Expired entries are cleaned up as part of the routine maintenance described
   * in the class javadoc.
   *
   * @param duration the length of time after an entry is created that it should be automatically
   *     removed
   * @return this {@code CacheBuilder} instance (for chaining)

    public String sortOrder;

    /**
     * The user who created the scheduled job.
     */
    public String createdBy;

    /**
     * The time when the scheduled job was created.
     */
    public String createdTime;

    /**
     * Version number of the scheduled job.
     */
    public String versionNo;

    /**
     * Clears the pager's state.
     */
    public void clear() {

 * [TrustedCertificateIndex].
 *
 * [Conscrypt]: https://conscrypt.org/
 */
class BasicCertificateChainCleaner(
  private val trustRootIndex: TrustRootIndex,
) : CertificateChainCleaner() {
  /**
   * Returns a cleaned chain for [chain].
   *
   * This method throws if the complete chain to a trusted CA certificate cannot be constructed.
   * This is unexpected unless the trust root index in this class has a different trust manager than