NVIDIA GBM Support
https://www.phoronix.com/scan.php?page=news_item&px=NVIDIA-495.29.05-Linux
Now that Nvidia supports GBM it would be nice if mutter/GNOME had the option to use GBM for Wayland instead of EGLStreams when using the NVIDIA proprietary drivers. It seems likely that EGLStreams is a dead end now.
For reference, Plasma has already released support for Nvidia GBM.