Valve's Linux graphics driver team has fixed the Vulkan mesh shader support for those using RDNA3 integrated graphics with Phoenix APUs on the latest Mesa RADV driver code.
Thanks to prolific RADV driver developer Samuel Pitoiset of Valve's Linux graphics team, mesh/task shader queries have landed for GFX10.3 (RDNA2) with the in-development Mesa 24.0 while support for GFX11 (RDNA3) graphics cards is on the way.
Thanks to prolific Mesa RADV contributor Samuel Pitoiset of Valve's Linux graphics team, a fix is on the way for addressing various issues with Unreal Engine 4 and Unreal Engine 5 games running on Linux.