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Fixed in 2022.1.X
Fixed in 2020.3.X, 2021.1.X, 2021.2.X
Votes
0
Found in
2020.2.0a10
2020.3
2021.1
2021.1.7f1
2021.2
Issue ID
1339775
Regression
Yes
Unpacked prefabs added to a prefab instance are removed when Undoing any change made to main prefab
How to reproduce:
1. Open attached project "case_775_repro.zip"
2. Open "Cube variant" prefab in Prefab Mode
3. In the Prefab Mode, add "Cylinder" prefab to the Hierarchy window
4. Unpack the added prefab
5. Select "Cube variant" in the Hierarchy & edit the X value of the Transform component
6. Undo
Expected result: Unpacked prefab is not removed
Actual result: Unpacked prefab is removed
Reproducible with - 2020.2.0a10, 2020.3.12f1, 2021.1.12f1, 2021.2.0a21
Not reproducible with - 2018.4.36f1, 2019.4.27f1, 2020.2.0a9
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Resolution Note (fix version 2022.1):
Fixed in 2022.1.0a6
Resolution Note (fix version 2021.2):
Fixed in 2021.2.0b10
Resolution Note (fix version 2021.1):
Fixed in 2021.1.20f1
Resolution Note (fix version 2020.3):
Fixed in 2020.3.19f1