[foldr]

No, but I think it’s unlikely that Apple actually has this information in a format that it could easily publicly release. They aren’t going to make any special effort to make Linux on Mac easier, but they also aren’t actively blocking it.

[apatheticonion]

They decided to leave the bootloader unlocked. I guess, in today's anti-consumer tech landscape, that's nice of them.

[philistine]

It's more complicated than that. The bootloader can maintain the chain of trust for macOS while allowing unsecured OSes next to it.