A recent commit on the GitHub for Yuzu, a Nintendo Switch emulator, shows that we might see the development team add a Vulkan renderer in the near future. Vulkan support has been a requested feature for the emulator, as it can occasionally perform better than the typical OpenGL renderer when it comes to other major emulators like RPCS3. At the time of this post, nothing has been officially confirmed by the Yuzu team, but it's clear to see that there's some sort of work going on involving one of the latest merges.