er">websocket</span><span class="special">::</span><span class="identifier">error</span><span class="special">::</span><span class="identifier">failed</span></code> and <code class="computeroutput"><span class="identifier">websocket</span><span class="special">::</span><span class="identifier">error</span><span class="special">::</span><span class="identifier">handshake_failed</span></code>
          are removed. Actions required: Code which explicitly compares <code class="computeroutput"><span class="iden