They're listed as supported on their website and they work. I'm not sure what there is besides that.

https://rocm.docs.amd.com/en/latest/release/gpu_os_support.h...

You have to click on the "Radeon" tab for the commercial cards.

Yes, it's annoying that they only officially support Ubuntu 22.04 but it is official support and you can get other OSs and cards to work.