I using Arch and everything working flawlessly.
UEFI Firmware: 1.77 (DeskMini X300 little gaming monster :D)
OS: Arch Linux 6.0.7-AMD
CPU: Ryzen 5700G
DE: - (i use Sway WM)
Or why not they put a vCore Offset option in the BIOS. This would simply give a negative offset to the vCore, reducing heat generation.
Sorry for my bad English!