Blender 2.80 Final is out and so is Radeon ProRender v2.0.112.
See below for more info and Release Notes.
https://www.amd.com/en/technologies/radeon-prorender-downloads
Feedback through the Community please:
https://community.amd.com/community/prorender/blender
I don’t work for AMD by the way. I just beta test RPR with eGPUs on macOS.