EXCLUSIVE: Chromebooks to Support Vulkan Passthrough
ekultails.github.io
Passthrough of the Vulkan graphics API library from a QEMU hypervisor to a virtual machine is coming to Linux thanks to work sponsored by Google! This is a big deal for many reasons.

tl;dr: Valve is bringing the Steam Linux client to chrome books via a Ubuntu based VM, and it will use Vulkan natively. This also explains why Valve recently ported Portal2 to DXVK/Vulkan.