https://wccftech.com/amd-radeon-hd-7970-the-worlds-first-dx12-gpu-receives-adrenalin-22-6-1-whql-driver/

AMD's decade-old and also, the world's first DX12 GPU, the Radeon HD 7970, has received a brand Adrenalin 22.6.1 driver.

Update: The driver adds support for the entire Legacy GCN GPU lineup as mentioned here.