d9vk, from developer Joshua Ashton who works for both CodeWeavers and the game developer Puny Human, is a new personal project aimed at running Direct3D 9 over Vulkan.
It seems things aren't all rosy between CodeWeavers and DXVK, as developer Henri Verbeet has written into the Wine Development mailing list to give more details.
At the start of this year, I gave a little mention to vkQuake2, a project which has updated the classic Quake 2 with various improvements including Vulkan support.
If you have one of the more recent NVIDIA RTX graphics cards, here's an interesting project for you to try. Q2VKPT from developer Christoph Schied implements some really quite advanced techniques.
Project Borealis, the fan-made Half-Life 2: Episode 3 is still continuing along, with the release of a second performance to test so we can stress-test their work.
A nice way to end the week, Stardock have given some more updates on Ashes of the Singularity: Escalation for Linux and they said something rather interesting.