Hi I'm currently using this mod to play vivecraft on my headset, but its a pretty old one hence the fov isnt great and it makes me feel like an ant in the world. Would adding a fov modifier be possible?

All an fov slider would do is stretch the screen, not give you an actually wider fov.

I think that's exactly what he's looking for, just zooming the screen out

under normal circumstances that will look very weird, I can try making a version later