Ya sorry we're moving stuff around
It would be fun at some point down the road to get some of the older code building and running again - particularly '84/'85-vintage Windows & Notes builds. Quite a lot of work, though, not just because of hardware but also likely because of toolchain gaps.
To change a public branch, or not to change a public branch, that is the question.
Edit: Muphry's law strikes again - s/or to not/or not to/