Having multiple Display, Game or Window captures in the same Scene can cause interference, YMMV.
21:06:06.785: Loaded scenes:
21:06:06.785: - scene 'Scene':
21:06:06.785: - source: 'Background' (ffmpeg_source)
21:06:06.785: - source: 'Display Capture' (monitor_capture)
21:06:06.785: - source: 'Window Capture' (window_capture)
21:06:06.785: - source: 'Game Capture' (game_capture)
21:06:06.785: - source: 'Browser' (wasapi_process_output_capture)
21:06:06.785: - source: 'Chat' (browser_source)
21:06:06.785: - source: 'Events' (browser_source)
21:06:06.785: - source: 'PNGTUBER' (window_capture)
21:06:06.785: - filter: 'Chroma Key' (chroma_key_filter_v2)
You're also running HDR/10-bit color & wasting resources due to the 10 > 8-bit color conversion.
21:06:05.563: pos={0, 0}
21:06:05.563: size={2560, 1440}
21:06:05.563: attached=true
21:06:05.563: refresh=180
21:06:05.563: bits_per_color=10
21:06:05.563: space=RGB_FULL_G2084_NONE_P2020
21:06:05.737: base resolution: 2560x1440
21:06:05.737: output resolution: 1920x1080
21:06:05.737: downscale filter: Bicubic
21:06:05.737: fps: 60/1
21:06:05.737: format: NV12
21:06:05.737: YUV mode: Rec. 709/Partial
