They're actively refusing to comment on 5000-series.
I managed to get it to work for my 5500 XT, but only in Ubuntu and for the 5.4 kernel and it wasn’t straightforward.
It would be nice if a project like Mesa would exist for OpenCL.
In the future, I suppose Vulkan will be used instead for compute though.
They're actively refusing to comment on 5000-series.