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Fixed in 2022.1.X
Votes
1
Found in
2017.4
2018.4
2019.2
2019.2.12f1
2019.3
2020.1
Issue ID
1204737
Regression
No
Undo is not restoring all of the deleted GameObjects when deleting a large number of GameObjects
How to reproduce:
1. Open the attached project's Scene labeled "BigVramScene_Scratch"
2. Select all the "UltraBlock" GameObjects in the Hierarchy
3. Delete the selected GameObjects
4. Undo the deletion action (Cmd+Z)
Expected result: All deleted GameObjects are restored
Actual result: Some of the deleted GameObjects are restored
Reproducible with: 2017.4.35f1, 2018.4.14f1, 2019.2.16f1, 2019.3.0f3, 2020.1.0a16
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Resolution Note (fix version 2022.1):
Added a warning on undo overflow. Fixed in Unity 2022.1.0a6 and above