I’m assuming you mean things like, fine-grained descriptions of what system libraries you want to have installed, the presence/absence of CUDA hardware/libraries, that kind of thing?
That’s an important discussion, but an extremely complicated one. In fact I think it’s fair to say that the reason we didn’t have Linux wheels at all for a ~decade is that every time we tried, we got bogged down in those kinds of discussions :-). Manylinux succeeded by being relentlessly pragmatic, and declaring all that stuff out-of-scope. I think we should stick to that for perennial manylinux.
That doesn’t mean we shouldn’t talk about extensions like this. Just, let’s split it out into a separate discussion. We can always define new tags; we aren’t in danger of running out of strings.