Wayland flickering problems on Nvidia - causes & future resolution

@mythmon I’ve seen you have this issue before with Minecraft

The flickering is caused by the lack of explicit sync on Wayland with Nvidia drivers.

Related Gitlab issues: Explicit GPU Synchronization for DRI3, Present, and Xwayland (!967) · Merge requests · xorg / xserver · GitLab
linux-drm-syncobj-v1: new protocol (!90) · Merge requests · wayland / wayland-protocols · GitLab

Both the wayland-protocols merge request and the v555 Nvidia driver are required in tandem to remove flickering.

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The merge requests will also (hopefully) fix any flickering you experience on Electron applications.