macOS big sur beta 2 running perfectly - Ryzen 7 3700x -MSI x570-A PRO - 16GB Ram - RX 580 8 GB

Installed beta 1 using bootable USB method

Used Opencore Builder to get the latest version of OC 0.6.0 and Virtual SMC , Lillu , Apple ALC , WEG and Realtek8111 kexts

Updated to beta 2 using System updater - 10 gb update