Reproduction steps:
1. Make sure you have HDR enabled (“Display settings → Use HDR → On“ on Windows)
2. Open the attached “repro_IN-87676“ project
3. Make sure that “Direct3D12” is set as the default graphics API (“Edit → Project Settings… → Player → Other Settings → Rendering → Graphics API for Windows“)
4. Open the "Assets/OutdoorsScene.unity" Scene
5. Enter the Play Mode
6. Press the "Space" button on your keyboard
7. Change the resolution to your preferred one with the 'E' button
8. Observe the Game view

Expected result: Each of the 4 split screens displays a spinning cube
Actual result: Only 1 (the top-left) split screen is displaying a spinning cube, the other three are either showing a frozen image or a black background

Reproducible with: 2022.1.0a16, 2022.3.55f1, 6000.0.33f1, 6000.1.0b1
Not reproducible with: 2021.3.47f1, 2022.1.0a15

Reproducible on: Windows 10 (22H2), Windows 11 (23H2) (reporter’s environment)
Not reproducible on: No other environments tested

Notes:

• Not reproducible with DirectX11
• Not reproducible with Vulkan
• Not reproducible in Player while testing, but the reporter mentioned that they managed to reproduce the issue in Player on some of their devices