R7 7800X3D, 4090, 32gb ram, nvidia drivers tested: latest/current 560.70 and those I use on a daily basis 537.58. My resolution is 2560x1440. Now to the point… game can sometimes launch with broken resolution, which is it 2560x1421, it’s hard not to notice, everything is offset and blurred, in game options not fixing it, “they” don’t even report that it is something wrong, still is set to 2560x1440, after manually changing the resolution back and forth, the offset is “fixed”, but not the blur, the rendering resolution is still incorrect. Config.wtf confirms wrong resolution: SET gxFullscreenResolution “2560x1421”.
The solution is simple, just restart the game without touching the options (when you change something in game options, Config.wtf will save the wrong resolution and the only solution will be to change it manually in file). This error doesn’t occur every time, this error did not occur before the pre-patch.
I should also add, that I had a problem, with the game reporting more monitors than I currently have connected. This was fixed itself when I tried to fix the issue above, i.e. many restarts.
This information probably won’t help at all, but I can repeatedly run “World of Warcraft Classic Season of Discovery” without any resolution problems.
I have found the cause, in my case it is due to the Nvidia In-Game Overlay in GeForce Experience, when I turn it off, I can run WoW without resolution problems. I would also like to repeat, this must have some connection with the pre-patch, because before it nothing like this happened, this error does not occur in Classic either. I can reproduce this.
Unfortunately, I see that not everyone solves the problem by disabling the Nvidia overlay, maybe in your case it is another overlay such as Discord, RTSS or something like that…