I’m really unsure what you mean. There has been deep integration for renaissance music from the very beginning. Does it take some effort? Yes. Doable? absolutely.
This has been there from the beginning:
Alternate notehead sets (including renaissance noteheads) have been possible from the beginning.
The insane tuplet support means you can put any note value just about wherever you want, including across barlines so the appearance and semantics are actually correct.
This is a 4 year old thread, proving my point that things like this have been possible for a while:
Even better: here’s a tutorial on how to do it from the Scoring Notes Blog from 2017: