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Fixed in 2018.3.X
Votes
0
Found in
2018.1.0b1
2018.2.1f1
Issue ID
1067075
Regression
Yes
Unity freezes when undoing a revert prefab instance
Introduced between 2018.4 and 2018.1. Not tested with New Prefanbs (2018.3 alpha 6 or above) yet.
Repro steps:
1. Open QA attached project "repro_1067075"
2. Open scene "Sample Scene"
3. In the Hierarchy expand GameObject "Cube"
4. Unparent the child GameObject "Capsule" by dragging it into the Hierarchy ( breaking the prefab instance )
5. Drag "Cube" into "Capsule"
6. Select "Capsule" and click "Revert" in the Inspector
7. Edit -> Undo Revert Prefab Instance or Ctlr+Z
Expected: Changes are undone
Actual: Unity freezes
Reproducible with: 2018.1.0b1, 2018.1.9f1, 2018.2.2f1, 2018.3.0a5
Not reproducible with: 2017.2.3p3, 2017.4.9f1
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