Hi, i have an ultrawide monitor (2560x1080) and when I recorded some gameplay, the final video came as 1920x1080, and the gameplay resizes to fit 1920 wide, and then i have black bars at the top and the bottom.
Example: BeamNG - Swerving through traffic in Tennessee, USA - YouTube
Radeon software: 19.12.3
GPU: RX 590
OS: Windows 10