Okay I am releasing a version for people to play with, It supports VRChat and Resonite, the platform is selectable in the Settings - cytrax.net/faketrack - Settings are stored in AppData\Local\FakeDilation
cytrax.net
Fake Dilation - A little more life in your eyes.
Make your avatar's pupils respond to scene brightness. Fake Dilation is a Windows OSC utility for VRChat and Resonite.