Search Issue Tracker
Fixed
Fixed in 2021.3.26f1
Votes
0
Found in
2021.3.23f1
Issue ID
UUM-33750
Regression
Yes
Crash on UndoManager::FlushTrackedObjects when removing a Component from ~1000 GameObjects at the same time
Reproduction steps:
1. Open the attached “repro-project“
2. In the Hierarchy window expand the "Terrain v3" GameObject
3. Expand the "Terrain" GameObject under "Terrain v3"
4. Select all "Terrain"'s “Tree” child GameObjects
5. In the Inspector window remove the “Mesh Collider“ Component
6. Wait for the “Menu.Remove Component“ Unity’s code to finish
7. Click anywhere in the Editor
8. Observe the crash
Reproducible with: 2021.2.9f1, 2021.3.23f1
Not reproducible with: 2020.3.47f1, 2021.2.8f1, 2022.2.16f1, 2023.1.0b13, 2023.2.0a11
Reproduced on: Windows 10 Pro
First few lines of the stack traces:
{{0x00007FF735D1D52C (Unity) UndoManager::FlushTrackedObjects }}
{{0x00007FF735D214F4 (Unity) UndoManager::IncrementCurrentGroup }}
{{0x00007FF735E41E00 (Unity) ProcessMainWindowMessages }}
{{0x00007FF735E62EDC (Unity) ContainerWindow::ContainerWndProc }}
{{0x00007FFCF6E2E858 (USER32) CallWindowProcW}}
{{0x00007ff7b2bd14f4 (Unity) UndoManager::IncrementCurrentGroup }}
{{0x00007ff7b27ca4e8 (Unity) GUIView::ProcessInputEventFromAPI }}
{{0x00007ff7b27ca3c8 (Unity) GUIView::ProcessInputEvent }}
{{0x00007ff7b2d1c96d (Unity) GUIView::ProcessEventMessages }}
{{0x00007ff7b2d16629 (Unity) GUIView::GUIViewWndProc}}
All about bugs
View bugs we have successfully reproduced, and vote for the bugs you want to see fixed most urgently.
Latest issues
- UI Overlay Image gets darker on each Camera when multiple Cameras are used
- Assertion failed on expression: 'scriptedImporterClass == SCRIPTING_NULL error when opening the standalone profiler window
- Disabled assets in Import Unity Package window aren't tracked but count as being selected by user
- [Windows] Crash on GetManagerFromContext when video is playing and creating High Definition 3D Projects after FMOD failed to switch back to normal output Error appeared
- GC Alloc produced when adding items to MultiColumnListView with Auto Assign Binding
Add comment