* When using client or server certificate rotation, the Kubelet will no longer wait until the initial rotation succeeds or fails before starting static pods.  This makes running self-hosted masters with rotation more predictable. ([#58930](https://github.com/kubernetes/kubernetes/pull/58930), [@smarterclayton](https://github.com/smarterclayton))

                            + ": " + sae);
                }
                if (sae.getNtStatus() == NtStatus.NT_STATUS_ACCESS_VIOLATION) {
                    /* Server challenge no longer valid for
                     * externally supplied password hashes.
                     */
                    final HttpSession ssn = req.getSession(false);
                    if (ssn != null) {

            ex0 = ex; // Defer to below where we're locked
            return;
        } finally {
            synchronized (run_thread) {
                if (run_thread != thread) {
                    /* Thread no longer the one setup for this transport --
                     * doConnect returned too late, just ignore.
                     */
                    if ((ex0 != null) && (LogStream.level >= 2)) {

 * a {@code Map<R, Map<C, V>>}. A method call like {@code column(columnKey).get(rowKey)} still runs
 * quickly, since the row key is provided. However, {@code column(columnKey).size()} takes longer,
 * since an iteration across all row keys occurs.
 *
 * <p>Because a {@code TreeBasedTable} has unique sorted values for a given row, both {@code

* Self hosted is no longer supported in the standard workflow. The feature flags have been removed and your self hosted cluster is no longer able to upgrade via kubeadm. ([#69878](https://github.com/kubernetes/kubernetes/pull/69878), [@Klaven](https://github.com/Klaven))

        try {
            cache.getInputStream();
            fail("Expected IOException for deleted file");
        } catch (IOException e) {
            // Expected - file no longer exists
        }
    }

    @Test
    public void testFileBasedCacheCloseNonExistentFile() {
        tempFile = new File(Curl.tmpDir, "non-existent-file.tmp");
        assertFalse(tempFile.exists());

### API Machinery

* The Namespace API object no longer supports the deletecollection operation. ([#46407](https://github.com/kubernetes/kubernetes/pull/46407), [@liggitt](https://github.com/liggitt))

   *
   * <p>That iterator supports {@code remove()} if {@code iterable.iterator()} does. After {@code
   * remove()} is called, subsequent cycles omit the removed element, which is no longer in {@code
   * iterable}. The iterator's {@code hasNext()} method returns {@code true} until {@code iterable}
   * is empty.
   *

                    e);
          }
        }
      } finally {
        if (stillRunning) {
          // An Error is bubbling up. We should mark ourselves as no longer running. That way, if
          // anyone tries to keep using us, we won't be corrupted.
          synchronized (PerListenerQueue.this) {
            isThreadScheduled = false;
          }
        }
      }

      merely dropped) as soon as there are no longer any *usable*
      endpoints, rather than waiting until all of the terminating
      endpoints have terminated even when those terminating endpoints
      were not being used.
  
    - Chains for endpoints that won't be used are no longer output to
      iptables, saving a bit of memory/time/cpu. (#106373, @aojea) [SIG Network]