Reproduction steps:
1. Open project “HDRBug.zip”
2. Open “SampleScene”
3. Select “1” GameObject in Hierarchy
4. Open the “Window\Animation\Animation” window through Main Menu
5. Press the “Preview” button
6. Observe Game View
Expected result: both “1” and “2” GameObject look identical
Actual result: the “1” GameObject is much brighter than the “2” GameObject although their material tint HDR values are the exact same
Reproducible with: 2021.3.28f1, 2022.3.4f1, 2023.1.3f1, 2023.2.0a23
Reproducible on: macOS Ventura 13.2.1 (Intel), Windows 10 (by the reporter)
Notes:
- Also reproducible in Standalone Player
- The material color won't reset to default value until entering and exiting Play Mode or reopening the scene
- Not reproducible when Color Space is set to Gamma