Thanks for the reply Antoine. Admittedly, not the good news part of me wanted to hear, but aligned with what I expected. Just wanted to confirm with the community.
> And I'm not sure we want to expand the scope of our CI testing even > more, unless we also have motivated people to fix the unavoidable > regressions. I agree with this. It seems the limiting factor isn't how many systems we can tests, but how much developer time can we afford to spend on C++ environment issues. So we are best off focusing on the limited set of environments required by downstream packaging systems.