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Fixed in 2022.1.X
Votes
0
Found in
2021.2
2021.2.0a9
2021.2.0b16
2022.1
Issue ID
1372196
Regression
Yes
"<...> had become dangling during an undo operation" warning when undoing and redoing Prefab's Add Component and Apply Override
Reproduction steps:
1. Open attached project "DanglingWarning.zip" and scene "SampleScene"
2. In Hierarchy window, select "Cube" Prefab
3. In Inspector window, add any new Component
4. In Inspector window's Overrides dropdown, click Apply All
5. Undo
6. Redo
7. Observe Console window
Expected result: No warning
Actual result: "Component of type <...> was added to Cube using GameObject.AddComponent() and had become dangling during an undo operation.
Use Undo.AddComponent to correctly add a component which can be handle by the undo system" warning
Reproducible with: 2021.2.0a9, 2021.2.0b16, 2022.1.0a11
Not reproducible with: 2019.4.30f1, 2020.3.19f1, 2021.1.23f1, 2021.2.0a8, 2022.1.0a12
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Resolution Note (fix version 2022.1):
Fixed in 2022.1.0a12