Has this project been abandoned?
Radeon RX 7900 XT, 3 displays, middle 3840x1600 main, left 2650x1440, right 2650x1440

Problem 1- Capture region, all the windows from middle main display shifts to the left display.

Problem 2- Final saved video is green colour.

h264 h265 tested

Edition Windows 11 Pro for Workstations
Version 24H2
OS build 26120.4161
Experience Windows Feature Experience Pack 1000.26100.113.0

Image