Every time I leave the client my resolution keeps resetting back to “Custom (3536x2160)”. After I log in from character select I can change the setting back to “Default (7680x2160)” and it works fine. I do not believe its an addon, because I disabled all addons and it still happens.
what resolution is set on the desktop? i have it set to 1920 x 1080 on the desktop and Scale set to 100% (down from 125%) and in game and it seems fine (not resetting to custom)
I found the cause. Windows PowerToys (FancyZones) is causing the issue. I have been using this feature for years, its not clear why its causing an issue now.
The fix is to change a setting in PowerToys > Settings > FancyZones > Windows > Uncheck “Move newly created windows to their last known zone”.