li class="listitem">
          <code class="computeroutput"><span class="identifier">file_mode</span><span class="special">::</span><span class="identifier">append_existing</span></code> works correctly
        </li>
<li class="listitem">
          A handler work guard is maintained on paused websocket operations
        </li>
<li class="listitem">
          All behavior of default-constructed iterators is conforming
        </li>
</ul></div>
<h4>
<a name="beast.release_notes.h1"></a>
      <span class="phr