Search Issue Tracker
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
Add comment
All about bugs
View bugs we have successfully reproduced, and vote for the bugs you want to see fixed most urgently.
Latest issues
- Unity CIL Linker fails on Player build when persistent listeners have "<" and ">" in their XML attribute names
- ”Lighting data asset ‘LightingData’ is incompatible with the current Unity version…” warnings are thrown when saving Indoors (URP) and Outdoors (URP) Scenes as Scene Templates
- [iOS] The screen blinks when transitioning from custom to Unity splash screen
- [macOS] ”Ignoring depth surface load action as it is memoryless” warnings are thrown when taking Game View Snapshot
- UI Builder Inspector scrolls back up when changes on an expanded but not fully displayed Inspector tab are saved
Resolution Note (fix version 2022.1):
Fixed in 2022.1.0a12