big sur M1 mac pro does not work

[tomasholy44]

It adds the additional profile however the HiDPI option is not there. The only workaround I found is to mirror the retina display with HiDPI resolution which applies to external display as well. The issue is that the highest resolution is 1680 x 1050 HiDPI. See attached screenshot.

So the iOS knows how to do it for retina either for external display - just it is somehow hidden and not possible to set for external display..

Tomas