A build has been uploaded to try!
Right Click -> Properties -> Betas -> lfae - Anniversary Edition
I haven't done any SteamVR testing with this so I don't want to make any promises that it will work correctly.
Oculus owners should be OK.
Source: Steam Community (opens in a new tab)
Build and release context
Steam update times within 24 hours of this post. Matching dates do not confirm which build it describes.
Build 4030904 · lfae branch
Steam updated · First observed