Baseline (Widescreen) Solution & Issues
System Shock: Enhanced Edition (Source Port Update) is available on GOG.com and Steam with native widescreen support + FOV slider accessible from the in-game 'Options' menu. Editing configuration files no longer necessary.
Ultra/Super-Wide (21:9/32:9) Specific Solution & Issues
SS:EE Source Port Update supports widescreen resolutions natively in the 'Options' menu, including a FOV slider. However, HUD elements are stretched.
Eyefinity / Surround Specific Solution & Issues
SS:EE Source Port Update supports widescreen resolutions natively in the 'Options' menu, including a FOV slider. However, HUD elements are stretched.
4k UHD Specific Solution & Issues
SS:EE (Source Port Update) supports widescreen resolutions natively in the 'Options' menu, including a FOV slider. However, HUD elements are stretched.