Nobody should be recommending Slick to anyone for new projects. Slick will not be supported in the future.
wow, the bar for "not dead" is really high these days :-)
AND 2019 wasn't really better. 3.3.2 (3.3.3 was mid 2020) was in JUNE 2019 and 3.3.0 was at the beginning of 2019. there won't be a 3.4 anytime soon, if nobody steps up and starts maintaining it, there won't be a 3.4 at all.
slick is heavy on macros it will not survive scala 3
Doobie (optionally with Quill Syntax) would be left and become likely the "Hibernate of Scala-Land".
That's not too bad news imho.
Having said that I think Quill looks nicer (https://getquill.io/) if you want a DSL like that.
https://tpolecat.github.io/doobie/docs/17-Quill.html
That's by far the best DB access layer I've ever worked with.