Any plans to get it working? I think they use OpenGL, and if the graphics are any indication, an older version. And IIRC, Vorpx works with older OpenGL?
Apparently Zwift has had a VR mode since 2013, but they refuse to enable it because “VR headsets are not common enough devices.” Whatever the popularity of the Quest is, they don’t consider it enough to justify turning it back on. Their loss.