- Kubeadm: fixed the bug where the v1beta4 Timeouts.EtcdAPICall field was not respected in etcd client operations, and the default timeout of 2 minutes was always used. ([#129861](https://github.com/kubernetes/kubernetes/pull/129861), [@neolit123](https://github.com/neolit123)) [SIG Cluster Lifecycle]

### Other (Cleanup or Flake)

- Mark `net.ipv4.ip_unprivileged_port_start` as safe `sysctl`. ([#103326](https://github.com/kubernetes/kubernetes/pull/103326), [@pacoxu](https://github.com/pacoxu))
- Metrics server nanny has now poll period set to 30s (previously 5 minutes) to allow faster scaling of metrics server. ([#101869](https://github.com/kubernetes/kubernetes/pull/101869), [@olagacek](https://github.com/olagacek)) [SIG Cloud Provider and Instrumentation]

      require(hour in 0..23)
      require(minute in 0..59)
      require(second in 0..59)

      GregorianCalendar(UTC).apply {
        isLenient = false
        set(Calendar.YEAR, year)
        set(Calendar.MONTH, month - 1)
        set(Calendar.DAY_OF_MONTH, dayOfMonth)
        set(Calendar.HOUR_OF_DAY, hour)
        set(Calendar.MINUTE, minute)
        set(Calendar.SECOND, second)

* Increase allowed lag for ssh key sync loop in tunneler to allow for one failure ([#60068](https://github.com/kubernetes/kubernetes/pull/60068), [@wojtek-t](https://github.com/wojtek-t))

daysMinRegex","computeWeekdaysParse","minp","shortp","longp","minPieces","day","_weekdaysRegex","_weekdaysShortRegex","_weekdaysMinRegex","_weekdaysStrictRegex","_weekdaysShortStrictRegex","_weekdaysMinStrictRegex","hFormat","hours","lowercase","minutes","matchMeridiem","_meridiemParse","seconds","kInput","_isPm","isPM","_meridiem","pos","pos1","pos2","getSetHour","globalLocale","baseConfig","calendar","sameDay","nextDay","nextWeek","lastDay","lastWeek","sameElse","LTS","LT","L","LL","LLL","LLLL...

and "unreachable" using `NoExecute` taints. In combination with `tolerationSeconds` described below, this allows per-pod specification of how long to remain bound to a node that becomes unreachable or not ready, rather than using the default of 5 minutes. You can enable this alpha feature by including `TaintBasedEvictions=true` in `--feature-gates`, such as `--feature-gates=FooBar=true,TaintBasedEvictions=true`. Documentation is [here](https://kubernetes.io/docs/concepts/configuration/assign-pod-node/)....

- Volumes are no longer detached from healthy nodes after 6 minutes timeout. 6 minute force-detach timeout is used only for unhealthy nodes (`node.status.conditions["Ready"] != true`). ([#110721](https://github.com/kubernetes/kubernetes/pull/110721), [@jsafrane](https://github.com/jsafrane)) [SIG Apps]

      this.arithmetic = arithmetic;
    }

    @Override
    public int add(int a, int b) {
      return arithmetic.add(a, b);
    }

    @Override
    public int minus(int a, int b) {
      return arithmetic.minus(a, b);
    }

    @Override
    public String toString() {
      return arithmetic.toString();
    }
  }

  private static class FailsToForwardParameters implements Adder {

- Kubeadm: fixed the bug where the v1beta4 Timeouts.EtcdAPICall field was not respected in etcd client operations, and the default timeout of 2 minutes was always used. ([#129862](https://github.com/kubernetes/kubernetes/pull/129862), [@neolit123](https://github.com/neolit123)) [SIG Cluster Lifecycle]

### Other (Cleanup or Flake)

   * _could_, so we could keep it as it is. Or we could convince ourselves that hash flooding is
   * unlikely in practice there, too.)
   */

  /**
   * Returns an immutable set containing the given elements, minus duplicates, in the order each was
   * first specified. That is, if multiple elements are {@linkplain Object#equals equal}, all except
   * the first are ignored.
   */
  public static <E> ImmutableSet<E> of(E e1, E e2) {