Frontier Development has responded to a question about whether or not Oculus Rift will be supported as a VR device for Elite: Dangerous. According to the reply, SteamVR is currently the only unit officially supported by Frontier, though it is still in talks with Oculus about Rift support. According to reports, however, E:D devs stopped working with Rift builds after v0.6.
We'll keep you posted as the story develops.