Oh, also, for new users who want to quickly smooth over a few papercuts, there's:

https://protesilaos.com/codelog/2024-11-28-basic-emacs-confi...

Also, a small point, you'll be thrilled to hear that an excellent "light/dark mode" is included in stock emacs since the modus-themes were beamed up into the mothership, which was several years ago at this stage.