It seems that currently the game only allows for Forward Rendering Path on the camera, this is a limitation to those who like to create artistic worlds. As someone with a graphic design and motion video & fx background, I find this extremely annoying and would love to see Deferred rendering path and HDR to be enabled/allowed on cameras in the SDK/game to really be able to bring the best out of the worlds I to add.
Deferred Rendering Path allows for things such as Screen Space Reflection. HDR allows for better and more accurate control over color within the scene. These things add a lot more depth to the scene and really make it pop in the end result. You might be worried about the performance impact at this point, I can confirm that it takes little to no impact, within Unity the scene runs at 125 fps with Deferred Rendering Path and HDR enabled vs 130 fps with Forward Rendering Path and no HDR (as used currently in VRChat.)
To give an example of the difference between the 2 rendering paths and no HDR vs HDR. Here's a comparison: