Having trouble understanding how this discussion, and TFA don't mention:
https://www.puredarwin.org/
which would be where I'd go if total control of the OS on Apple hardware was wanted.
That doesn't seem to actually provide a usable OS to run on any remotely recent Apple hardware. The most recent test build available for download is a virtual machine image of a version that aligns with macOS from eight years ago.
That doesn't seem to actually provide a usable OS to run on any remotely recent Apple hardware. The most recent test build available for download is a virtual machine image of a version that aligns with macOS from eight years ago.