To reproduce:
1. Open the user’s project
2. Open the “SampleScene”
3. Open the “ScrollBar Vertical” Prefab (Assets → Prefabs)
4. Change its Direction to any other in the Inspector
5. Exit Prefab edit mode
6. Open the “ScrollBar Vertical” Prefab
Expected result: The new Direction is saved
Actual result: The Direction is not saved
Reproducible with: 2020.3.38f1, 2021.3.8f1, 2022.1.13f1, 2022.2.0b4, 2023.1.0a9
Reproduced on: macOS Monterey 12.5.1 (Intel)
Notes:
- Workaround_1: Switch to the Inspector debug mode and set the direction there
- Workaournd_2: Edit the Prefab just by selecting it (not opening the prefab)