Reproduction steps:
1. Open the attached “ReproProj” project
2. Open the “Assets/OutdoorsScene” scene
3. Observe the Range field of each Spot Light GameObject
4. Select all three Spot Lights GameObjects
5. Change the Radius or Inner/Outer Spot Angle
6. Observe the Range field of each Spot Light GameObject
Expected Result: Each Spot Light keeps its original Range value
Actual Result: The Range value of all Spot Lights becomes the same
Reproducible with: 2023.3.0b5, 6000.0.19f1
Not reproducible with: 2021.3.43f1, 2022.3.46f1, 2023.3.0b4
Reproducible on: MacOS 15.0 (by reporter), Windows 11 Pro
Not reproducible on: No other environments tested