<div class="dln" itemprop="articleBody"><div class="shdw top"> </div><p><a class="URI" href="https://whatwg.org/chat" target="_blank" rel="noopener nofollow ugc">https://whatwg.org/chat</a>
</p><div class="shdw btm"> </div><button type="button" class="mxmz icn_ btn_mxmz"></button></div>

『Chat — WHATWG』

<div class="dln" itemprop="articleBody"><div class="shdw top"> </div><blockquote><p>Chat
</p><p>We have a <a href="https://app.element.io/#/room/#whatwg:matrix.org" target="_blank" rel="noopener nofollow ugc">WHATWG<span class="icn_ lnk_xtl"></span></a> room in the <a href="https://en.wikipedia.org/wiki/Matrix_(protocol)" target="_blank" rel="noopener nofollow ugc">Matrix<span class="icn_ lnk_xtl"></span></a> network. Join us!
</p><footer><span class="dmdsh">──</span>  <a class="oln" data-kno="K#/8145" href="/8145" rel="nofollow">『Chat — WHATWG』</a></footer></blockquote><div class="shdw btm"> </div><button type="button" class="mxmz icn_ btn_mxmz"></button></div>

t_wの輪郭

『Chat — WHATWG』

WHATWGはチャットにMatrixを使用している