Comment by FireBeyond

They openly fucked DP 1.4 to make the ProDisplay XDR work.

Catalina, sure, you can drive a DP 1.4 monitor at 144Hz in HDR10. Big Sur, coinciding with the ProDisplay...? No, that will get you 60Hz HDR10 or 95Hz SDR.

So stupidly that downgrading my monitor (mine would allow you to select advertised support) to DP 1.2 would increase your refresh and HDR options.

And it was never fixed, not in Big Sur, Monterey or Ventura, when I had switched monitors.

People were wondering how Apple made the math work. Simple, by "Fuck you if your monitor isn't our $6,000 flagship".