The fact that you can "assume Vulkan exists" helps a lot (both hardware and software renderers exist). Do remember--Wayland predates Vulkan by almost a full decade.

In addition, you can offload OpenGL compatibility to Zink (again leaning into Vulkan).

> pull in a group of long term maintainers.

"Use new cool language" seems to be a prerequisite for this nowadays ...

At least Zig is very compatible with C.

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