The new 1.17 Oculus update should mean we can launch ED from Oculus Home without installing ED in Oculus library. Hopefully it should also allow launching SteamVR from within Oculus Home without all the hacking that's been necessary up until now.
https://forums.oculus.com/community/discussion/55356/third-party-apps-and-rift-1-17-update/
https://forums.oculus.com/community/discussion/55356/third-party-apps-and-rift-1-17-update/