All of them except those that already reached 60fps :) …

cause

• the Os,
• the compositor,
• the compatibility layers (DX12 has the most changes),
• the bios
• the firmware

keep to get improvements since day 1.

there is even input lag reductions with latest firmware and you can even undervolt the cpu / GPU with latest bios …

And there is probably still place for improvements …

Sometimes you also get specific games optimizations from the developer of the game or from Valve (ex: Elden Ring)