OrioleDB is very far from being usable as default or upstreamed. Nobody is working on this right now.

fwiw, we have a team working on OrioleDB at supabase, with the plan to get to GA later this year or early next year. we'll continue to submit patches upstream for the TAM, and of course that will take as long as it takes for the community to accept them. Our focus right now reliability and compatibility, so that the community can gain confidence in the implementation