1.37.8.0 - regression (fixed in 1.37.9.0): Custom window size being reset every time app is started. Also fullscreen mode reverting to windowed mode

Do you have the same issue if you follow the OP’s steps to reproduce it?

Yes
Provide extra information to complete the original description of the issue:

I always set the default to Full Screen, but starts 100% of the time in Windowed. I’ve found the .cfg and have changed it there but again it changes upon startup.

Are you using DX11 or DX12?

DX11

Are you using DLSS?

No
If relevant, provide additional screenshots/video: