16:10 screen ratio has annoying bars on the top and bottom of my display

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I have a 16:10 2650x1600 monitor and the game doesn't correctly stretch the UI there like it should, instead it's basically still 16:9 just with two parts of a different menu on the top and bottom. Any way to fix it or is that just how it's gonna be?

My bad I think I accidentally double posted, it wasn't loading for me