We updated and posted an open beta for the AMD Radeon ProRender addon for Blender 2.80. The addon is completely rewritten from the ground up for better performance and stability. Additionally it include on windows our ML Denoiser, hair support, and support for Blender's built in nodes. Get all the info and download here.
Radeon ProRender is a GPU and CPU pathtracing renderer. It works on most vendors hardware and also on macOS.