The game has been updated to v1.06/05 adding Oculus Rift and HTC Vive support as well as the full game soundtrack, in-game language translations (French, Italian, German & Spanish) and other tweaks and bug fixes.
IMPORTANT FOR OCULUS USERS: You must update to Oculus Runtime 1.3 in order to carry on playing - you can get this from www.oculus.com/setup
NB. If you prefer to carry on using Runtime 0.8, please select the old build from the betas channel