I've already given up hope for a new firmware, it's been too long but still no answer, our model is already EOL for them, so at least now we've experienced that ASUS is currently not that good as before.
Agreed, the yellow tint is ****** tiring to the eyes, the only way I found to fix it is to crank up all colors except yellow to 155 -190 in Six-axis Saturation menu, but anyway playing on maps where yellow is the main color is a real pain (mirage in ...