Based on this blog post from Théodore Biadala, I took a closer look at FrankenPHP:
https://tresbien.tech/blog/drupal-and-php-fun-frankenphp/

…and wow is it impressive 🤯 A modern, PHP app server that can quickly host a #drupal site 🚀

https://frankenphp.dev (again, such a great logo! 🧟♂️💀)