e> has changed from 14 bytes to 1MB.
                            See <a href="https://cwiki.apache.org/confluence/x/FAqpEQ">KIP-1030</a>
                        </li>
                    </ul>
                </li>
                <li><a id="upgrade_400_notable_MirrorMaker" href="#upgrade_400_notable_MirrorMaker"><b>MirrorMaker</b></a>
                    <ul>
                        <li>The original MirrorMaker (MM1) and related classes were removed. Please use the Connect-based
                           