Well this was an interesting one entering the GOL inbox recently. VirtualBox, the general-purpose full virtualizer has a big new release out and even they are now using DXVK.
DXVK is the Vulkan-based implementation of D3D9, D3D10 and D3D11 for Linux / Wine that's used in Proton. There's also DXVK-Native, designed for running apps and games that have Linux Native builds (like VirtualBox itself in this case). It's quite incredible to see how this amazing open source tech is being used in more places, just goes to show how essential and performant it has become.
Some of what's new in VirtualBox 7.0 includes:
Plus quite a lot more you can see on the official site, they've been busy.