The open-source OpenGL and Vulkan Linux drivers for the upcoming Intel Gen11 GPU are now considered to be complete according to code updates spotted by Phoronix. The drivers will be a part of the Linux 5.2 kernel and are said to be working at full performance.
https://www.notebookcheck.net/Open-source-Linux-drivers-for-the-Intel-Gen11-GPU-are-now-feature-complete.420116.0.html