DSC, hardly an uncommon technology, worked perfectly in Catalina. It was entirely non-functional in public beta 1 of Big Sur.
Here we are at 11.3.1 and it is still absolutely, utterly broken. Legions of users of varying monitors, varying GPUs, can't access the full feature set of their equipment that they used to be able. There are Radar reports back to the betas.
Instead we get things like making sure you can buy AppleCare+ from the About This Mac option.
Or buy a Pro Display XDR, because it seems that that is all Apple cares about for external monitors.
Here we are at 11.3.1 and it is still absolutely, utterly broken. Legions of users of varying monitors, varying GPUs, can't access the full feature set of their equipment that they used to be able. There are Radar reports back to the betas.
Instead we get things like making sure you can buy AppleCare+ from the About This Mac option.
Or buy a Pro Display XDR, because it seems that that is all Apple cares about for external monitors.