It’s the farthest away stage, and it’s basically “all earlier stages but fully unlocked for editing anything”. For those two reasons there’s not been a huge point in that. Which is reinforced by the fact that there is not many threads trying to talk about ascension. Even Space Stage gets quite little discussion so it has not been necessary.
Most future game suggestions are also really “small” (not in the sense of how hard they are to do, but how much they can be easily discussed), so most ascension stage feature wishlists belong here anyway: