Using the information that we have gathered in The Unity VR porting process, What to consider when porting to VR, Reflections in VR and Stereo reflections, we can create a VR version of your game that implements stereo reflections. These reflections contribute to the sense of immersion, which improves the VR user experience. When stereo reflections are not implemented, people notice that depth is missing from the reflections.
The following screenshot from the Ice Cave demo, running in developer mode, shows the stereo reflections that are implemented. You can see these reflections in the pool in the foreground: