I'm curious if you only see this with Stardew Valley? I've seen reports of people having the same issue with Stardew Valley independent of their graphics adapter. Seems to be a combination of game and window manager. https://steamcommunity.com/app/413150/discussions/1/405693392918042081/ https://steamcommunity.com/app/413150/discussions/1/333656722968187453/