Cura/resources/texts/whats_new/2.html

<h4>Smooth top-surfaces with monotonic top/bottom orders</h4>
<p>The new Monotonic top/bottom order setting enables users to print parts with smoother top surfaces. This is especially useful for parts that need good aesthetics, such as visual prototypes. Or for parts that benefit from smooth surfaces, such as those that contact-sensitive components.</p>