>>272001113
there's quite a few coming, most are under NDA.
The companies working on them are scared to push out in an unfinished state because there's this realization that this is a "killer app" for vr and it needs to be done right or it will fail miserably. Look for population: one for build and climb and wingsuit mechanics, and Virtual Battlegrounds for a more pure BR. 

That being said Onward has modding support officially now, as does pavlov.
Pavlov BR is a really big thing already:
https://pavlov-br.com