.  To use
XWayland, set:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">export</span> <span class="n">FLTK_BACKEND</span><span class="o">=</span><span class="n">x11</span>
</pre></div>
</div>
</li>
</ul>
</li>
</ul>
</div></blockquote>
</li>
<li><p>I get warnings when I run the pre-compiled mrv2 on the console under Wayland
on a modern distro like Ubuntu 22.04.4 LTS, like:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><spa