For the Index and 2.0 Basestation it’s supposed to work for a while now https://github.com/ValveSoftware/SteamVR-for-Linux/issues/320#issuecomment-1835581128
I use kde wayland and I have cheap monitors with small vrr ranges. Games with fps drops and stuttering cause the monitor it’s on to flicker. A lot. So I leave vrr disabled.
For the Index and 2.0 Basestation it’s supposed to work for a while now https://github.com/ValveSoftware/SteamVR-for-Linux/issues/320#issuecomment-1835581128