It’s reaching the point now for HD that we were at a decade ago for SD.
People were converting the laserdiscs to dvd, George released a transfer directly from the digital master tape itself.
Now people are doing the same thing using actual 35mm prints. The answer to this would be a transfer of something higher up the chain like an IP, sep, or the o-neg itself.
Robert Harris, the guy who restored films like The Godfather and Lawrence of Arabia, has claimed that immaculate
prints of the OUT exist. Either Disney is mastering those prints in 4K or they simply haven’t touched them for
whatever reason. Assuming what Robert said was is true