I don't know what happened but I my FPS just died.

It has to be the Legend of Poro king patch.

No, it's not my computer. I tested it on various other games. All same performance as usual: 1080p 60.

Stuttering, just horrendous fps, tried all settings, bordless, etc. Has nothing to do with my drivers or anything. They work fine for literally everything else. Literally. LITERALLY.

If anyone has this issue, let me know if you find a solution. Until then, I'm just too pissed off and I uninstalled. Lol.