[timeon]

There is overlap, with creating whole documents, but I can imagine at some point one could use Typst inside Quatro. (Like using Typst inside Obsidian.)

[fourthark]

Yes, Typst is fully supported as an output language of Quarto.

Exceptions: you’ll need extensions for slides, some layouts. No books support, yet.

[I work on this.]

[kgwgk]

https://quarto.org/docs/output-formats/typst.html#raw-typst