*   <li>Underscores ('_') are permitted wherever dashes ('-') are permitted.
   *   <li>Parts other than the final part may start with a digit, as mandated by <a
   *       href="https://tools.ietf.org/html/rfc1123#section-2">RFC 1123</a>.
   * </ul>
   *
   * @param domain A domain name (not IP address)
   * @throws IllegalArgumentException if {@code domain} is not syntactically valid according to
   *     {@link #isValid}

    - [Server Binaries](#server-binaries-6)
    - [Node Binaries](#node-binaries-6)
  - [Changelog since v1.12.3](#changelog-since-v1123)
    - [Action Required](#action-required)
    - [Other notable changes](#other-notable-changes-6)
- [v1.12.3](#v1123)
  - [Downloads for v1.12.3](#downloads-for-v1123)
    - [Client Binaries](#client-binaries-7)
    - [Server Binaries](#server-binaries-7)
    - [Node Binaries](#node-binaries-7)

- Modify DNS-1123 error messages to indicate that RFC 1123 is not followed exactly ([#94182](https://github.com/kubernetes/kubernetes/pull/94182), [@mattfenwick](https://github.com/mattfenwick)) [SIG API Machinery, Apps, Auth, Network and Node]

  * Docker version 1.12.1 [has been validated](https://github.com/kubernetes/kubernetes/issues/28698) through the Kubernetes docker automated validation framework as has Docker version 1.12.3
 *  Docker 1.10.3 contains [backports provided by RedHat](https://github.com/docker/docker/compare/v1.10.3...runcom:docker-1.10.3-stable) for known issues

        assertVersionOlder("1.1", "1.2");
        assertVersionOlder("1.0.0", "1.1");
        assertVersionOlder("1.1", "1.2.0");

        assertVersionOlder("1.1.2.alpha1", "1.1.2");
        assertVersionOlder("1.1.2.alpha1", "1.1.2.beta1");
        assertVersionOlder("1.1.2.beta1", "1.2");

        assertVersionOlder("1.0-alpha-1", "1.0");
        assertVersionOlder("1.0-alpha-1", "1.0-alpha-2");

    - [Node Binaries](#node-binaries-6)
  - [Changelog since v1.11.3](#changelog-since-v1113)
    - [Other notable changes](#other-notable-changes-6)
- [v1.11.3](#v1113)
  - [Downloads for v1.11.3](#downloads-for-v1113)
    - [Client Binaries](#client-binaries-7)
    - [Server Binaries](#server-binaries-7)
    - [Node Binaries](#node-binaries-7)
  - [Changelog since v1.11.2](#changelog-since-v1112)
    - [Action Required](#action-required)

- cloud.google.com/go/vmwareengine: v1.0.3
- cloud.google.com/go/vpcaccess: v1.7.4
- cloud.google.com/go/webrisk: v1.9.4
- cloud.google.com/go/websecurityscanner: v1.6.4
- cloud.google.com/go/workflows: v1.12.3
- cloud.google.com/go: v0.112.0
- github.com/BurntSushi/toml: [v0.3.1](https://github.com/BurntSushi/toml/tree/v0.3.1)

## Urgent Upgrade Notes

### (No, really, you MUST do this before you upgrade)

Before upgrading to Kubernetes 1.13, you must keep the following in mind:

- kube-apiserver

## Changelog since v1.23.15

## Changes by Kind

### API Change

- Kubernetes 1.23 is now built with go1.19.4. To match behavior of previous Kubernetes 1.23 patch releases:
  - `kube-apiserver` defaults the GOGC setting to 63, to approximate go1.17 garbage collection memory performance in heavily loaded API servers

    assertInvalid("HTTP/1.1_200 OK")
  }

  @Test
  fun nonThreeDigitCode() {
    assertInvalid("HTTP/1.1  OK")
    assertInvalid("HTTP/1.1 2 OK")
    assertInvalid("HTTP/1.1 20 OK")
    assertInvalid("HTTP/1.1 2000 OK")
    assertInvalid("HTTP/1.1 two OK")
    assertInvalid("HTTP/1.1 2")
    assertInvalid("HTTP/1.1 2000")
    assertInvalid("HTTP/1.1 two")
  }

  @Test
  fun truncated() {
    assertInvalid("")