Well Nvidia dropped a bit of a big one today didn't they! Nvidia driver version 364.12 is now out and brings in official Vulkan support, Mir support and Wayland support.
For Mir and Wayland:
In addition to it also turns on the new OpenGL install method of "GLVND".
Note: Some games have issues with this, so I would hold off on upgrading for the moment until the reports flow in on what games it breaks.
It also adds a cherry on top:
Find the full changelog and download here.
For Mir and Wayland:
QuoteAdded support for the following EGL extensions:
EGL_EXT_platform_wayland
to enable Wayland applications to run on NVIDIA's EGL implementation,
EGL_WL_bind_wayland_display
to enable Wayland compositors to run on NVIDIA's EGL implementation, and
EGL_EXT_device_drm
EGL_EXT_output_drm
EGL_EXT_stream_consumer_egloutput
to enable Mir and Wayland compositors to display their content through EGLDevice, EGLOutput, and EGLstreams.
Added a Wayland platform library, libnvidia-egl-wayland.so, to allow Wayland compositors that support EGLDevice, EGLOutput, and EGLstreams to share EGL buffers with Wayland applications.
In addition to it also turns on the new OpenGL install method of "GLVND".
QuoteChanged the default OpenGL installation type to use the GLVND GLX client libraries rather than the legacy non-GLVND libraries.
Note: Some games have issues with this, so I would hold off on upgrading for the moment until the reports flow in on what games it breaks.
It also adds a cherry on top:
QuoteAdded initial support for Direct Rendering Manager Kernel Modesetting (DRM KMS). See the DRM KMS section of the README for details.
Added a new kernel module, nvidia-drm.ko, which registers as a DRM driver with both PRIME and DRM KMS support.
Find the full changelog and download here.

https://devtalk.nvidia.com/default/topic/915579/xcom-2-performance-regression-with-361-18/?offset=10
__GLVND_DISALLOW_PATCHING=1 %command%Is this still valid for this new driver? The new version should have fixed this issue, plus the XCOM 2 regression. I have not tried it yet.