I've been following Windmill since their HN Launch (my first script was edited 540 ago, just checked). Less than a year ago I started using it more heavily and it's been a breeze. Their Discord server is very active and Ruben usually replies and fixes bugs in minutes, even on weekends.
Daily puzzle generation, daily PDF updates/creation (if the original content is changed, it triggers a new generation), triggering and editing of Remotion videos.