Baseline (Widescreen) Solution & Issues
Ultra/Super-Wide (21:9/32:9) Specific Solution & Issues
Eyefinity / Surround Specific Solution & Issues
Upon first launch of the game in an eyefinity resolution the game will often render at the previously selected resolution set in the games options menu causing the display to become stretched, simply select the correct resolution in the games menu options and everything will scale correctly, this should only need to be done the first time you run in a multi mon configuration.
4k UHD Specific Solution & Issues