This game has zero ultrawide support. How to fix Ace Combat 7 to get ultrawide gameplay. UI, menus, cutscene will still remain in 16:9
Original post for this fix can be found here: https://github.com/mpm11011/ac7-ultra...
Downloads you need:
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https://www.python.org/downloads/
https://github.com/bo3b/3Dmigoto/rele... (get ver 1.3.16 to be consistent w/ mine or you might have problems like exe not being found in folder)
https://github.com/mpm11011/ac7-ultra... (click on code green tab to download zip)
https://github.com/atom0s/Steamless/r... (steamlessv3.0.012-by atom0s.7z)