Data bound promises and async relations

I wonder: what is the current status of the long promised default async relationships and more importantly the data bound promises?

No one that can give a bit more insights on the roadmap?

Speaking with absolutely no authority on the matter, I’ve heard it’s all part of the 1.6 release which the website says will drop in 3 days.

I highly doubt that given the “in-depth” answer on the repo: