+1 for 21:9 support.
For those unaware, a trainer is available that fixes the "zoomed in" effect and pillarboxing in dialogue.
https://community.pcgamingwiki.com/files/file/1442-the-outer-worlds-ultrawide-dual-monitor-mod/
Outstanding issues this trainer doesn't fix:
- Cutscenes/loadscreens stretched
- Viewmodel (players weapon) still zoomed in
- FOV/resolution reverting when accessing the settings menu