Workflow changed with darktable 3 and to get the most out of it I recommend reading this article: https://pixls.us/articles/darktable-3-rgb-or-lab-which-modul...
Many modules - that still work - are now deprecated in favour of RGB workflow new modules. The article above suggests proper alternatives for each of them.
It's mostly the same since 3.x though. The filmic rgb code got a pretty spicy color science update though. I'd even wager it's better than Lightroom in that aspect.