Add an option under graphics settings to remove heat distortion effect on non-4K resolutions.
When using a non 4K display (1440, ultrawide-1440, etc), the heat distortion effect does not display well and causes some tracks (Laguna SECA) to have a very distracting overly wavy background effect when the weather is set for Afternoon/Clear.
Moving to a 4K display makes the effect much more subtle as intended, but when you move to lower resolutions, the effect is too extreme.