Since nvidia drivers do not properly implement implicit sync, this protocol not existing is the root cause of flickering with nvidia graphics on Wayland. This MR being merged means that Wayland might finally be usable with nvidia graphics with the next driver release.
EDIT: Nvidia dev posted that support is planned in the 555 driver, with beta release planned for May 15: https://github.com/NVIDIA/egl-wayland/pull/104#issuecomment-2010292221
Is the vrr flickering about explicit sync too?
Literally all rendering could flicker. So maybe.
I mean, the vrr flicker doesn’t seem like a frame ordering issue since it happens on a static desktop too. Why I asked