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. 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