AMD recently announced FSR 3, which will support every dx11 game on AMD card. As Guild Wars 2 is CPU bound, those artificial frames generated by fsr 3 might be a gigantic improvement to fluidity of the game. Imagine having twice as much DPS in meta event. Doesn’t it sound exciting?
afaik this never works out of the box, the game needs to support it. No idea where you got that first sentence
Driver-level frame generation. Check out Digital Foundry’s last podcast.