ed to the user as well as used internally by <code>GeomAlluvium$draw_group</code> and <code>GeomFlow$draw_panel</code>, respectively.</p>
</div>
<div class="section level3">
<h3 id="error-handling-0-12-4">Error handling<a class="anchor" aria-label="anchor" href="#error-handling-0-12-4"></a></h3>
<p>Rather than throw an error when <code>y</code> values are <code>NA</code>, the stat layers now follow <strong>ggplot2</strong> convention, using <code><a href="https://ggplot2.tidyverse.org/reference/remove_missi