21:9 Widescreen Fix

Visit the link below and download the file from the instructions:
https://steamcommunity.com/groups/SpecialK_Mods/discussions/10/2741975115064752815/

or

https://github.com/Kaldaien/AgDrag/releases/tag/agdrag_011

Video tutorial:
https://www.youtube.com/watch?v=lQ0jQT67fo4

Control + Alt + Shift + A will enable/disable mod on the fly in-game, allowing proper use of the map.