Shadows flicker in VR inducing nausea

Product: EA SPORTS™ WRC
Platform:Steam-PC; Steam VR, Quest 3, RTX 4090
Summarize your bug Shadows flicker at high rates - inducing nausea across multiple testers (e.g. Rally Japan)
How often does the bug occur? Every time (100%)
Steps: How can we find the bug ourselves? Run a stage with trees and shadows set to anything higher than ultra low; the higher the setting the worse the flicker.
What happens when the bug occurs? Shadows flicker, which also makes lights flicker, which induces a unrealistic and unpleasant stroboscopic effect.
What do you expect to see? Consistent shadows that reflect how real shadows behave, without popping in/out or flickering