

Linux kernel still gets patches for AMD’s GCN architecture from 2012. Mesa sometimes has game-specific fixes that would affect older architectures as well.
I wouldn’t be worried on Linux, especially not for RDNA 2, as the Steam Deck’s APU is RDNA 2 based and Valve usually provides game-specific fixes for high-profile games should they be required. Architecture-specific “Game ready” drivers never really were a thing on Linux anyway.







It can be beneficial in terms of performance if done right. The native Linux build of Baldur’s Gate 3 runs considerably better than the Windows version via Proton, even though the Proton version already runs better than it runs on Windows natively.