The support will not be included in every single gaming driver. On this particular case you need to wait for the upcoming ProGraphics driver and at the same time an Adrenalin driver will be published on:
At the end, it is a blue card
yay, 21.9.2 supports Vega FE.
you will still need to add the registry key to run in gaming mode as the default install will revert back to PRO mode:
browse to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\4d36e968-e325-11ce-bfc1-08002be10318\0000
create DWORD KMD_IsGamingDriver
set it's value to 1