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Fixed in 2022.1.X
Votes
2
Found in
2018.4
2019.4.10f1
2020.2
Issue ID
1280465
Regression
No
Prefab instance's sibling index is not updated when a lower index sibling is deleted
Reproduction steps:
1. Download and open the attached project "1280465.zip"
2. Open the "issue" scene
3. Enter and Exit Play mode to create "A Prefab shadow" GameObject as a child of Canvas
4. Delete "A Prefab shadow" GameObject
5. Enter Play mode
Expected result: "A Prefab" GameObject's sibling index after creating "A Prefab shadow" GameObject is 1
Actual result: "A Prefab" GameObject's sibling index after creating "A Prefab shadow" GameObject is 2
Reproduces on: 2018.4.27f1, 2019.4.11f1, 2020.1.7f1, 2020.2.0b5
Notes:
The issue would not reproduce if "A Prefab" GameObject's Prefab connection is removed.
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Resolution Note (fix version 2022.1):
Fixed in 2022.1.0a15