For the last couple of weeks when I start the game which is set for full-screen, it incorrectly determines the size of my screen and instead appears in a small window about 1/4 the size of my screen. I have to go into the settings and select windowed mode and then cancel in order for it to re-detect and actually go full-screen.
Same here. I close and reopen the game and it goes to full screen properly then. but it will happen again after a day or so