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Fixed in Unity 5.4.0



Found in


Issue ID




Registering Transform into Undo.RegisterCreatedObjectUndo and changing the scene crashes at DestroyWorldObjects

Assets Management



Priority: 2Necessary for shipping a final release


Severity: 1Crash, freeze, data loss, work stops

Steps to reproduce:

1. Open attached project
2. In top menu, open "Window > Crash Tester"
3. In CrashTestWind, click "Create Transform"
4. Click "Undo 'Create New Transform'"
5. Click play or Ctrl + N to create new scene
6. Unity crashes at DestroyWorldObjects

Note: Registering GameObject instead of Transform doesn't cause this crash to happen

Reproduced with: 5.1.4f1 (different stacktrace), 5.2.4f1, 5.3.3p2, 5.4.0b8

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