Reproduction steps:
1. Open the attached “Mac ScreenRes.zip“ project
2. Open the “Assets/Scenes/Main.unity“ Scene
3. Open the “Displays” settings in the macOS system settings
4. Select the “2560x1440“ or the “3200x1800“ scaling option on the selected external 4k display
5. Build And Run the project (File > Build And Run)
Expected result: The display’s resolution matches the one set in the system settings
Actual result: The display’s resolution shows up as “5120x2880” or “6400x3600” respectively
Reproducible with: 2022.3.64f1, 6000.0.52f1, 6000.1.10f1, 6000.2.0b8, 6000.3.0a1
Reproducible on: M1 Max MacOS 15.5 (Tested by CQA)
Not reproducible on: No other environment tested
Note: This issue is only reproducible with 4k monitors connected to macOS