simplex
I didn't check pixel flickering around text 🙁
I Tested only on color gradients and also on grayscale picture, no movements at all, solid as rock.
With my macbook I didn't change any color depth and I was not using stillcolor app. Used standard color profile. Resolution was I think native, I also tried zoomed resolution around 2k or so.
With windows PC I think in settings it was 8bit. I didn't change anything, was using it as is.