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Fixed in 2021.2.X
Fixed in 2019.4.X, 2020.3.X, 2021.1.X
Votes
1
Found in
2019.4.20f1
2020.2.5f1
2020.3.0f1
2021.1.0b5
2021.2.0a2
Issue ID
1321443
Regression
Yes
Subassets destroyed by the undo system are kept if the Editor looses focus before saving
How to reproduce:
1. Open the attached '1321443.zip' project
2. Open the 'SampleScene'
3. In the Project window select the 'Test' Asset
4. In the Inspector press the 'Add Children' button
5. Select File > Save (sub-asset should appear in the Project window)
6. Press 'ctrl + z'
7. Unfocus the Editor by opening another program
8. Get back to the Editor
9. Select File > Save
Expected result: The subasset gets removed
Actual result: The subasset doesn't get removed
Reproducible with: 2019.4.20f1, 2019.4.23f1, 2020.2.5f1, 2020.2.7f1, 2020.3.3f1, 2021.1.0b5, 2021.1.1f1, 2021.2.0a2, 2021.2.0a12
Not reproducible with: 2018.4.33f1, 2019.4.19f1, 2020.2.4f1, 2021.1.0b5, 2021.2.0a1
Notes:
- The issue doesn't reproduce if step 7 is skipped
- Before unfocusing the Unity the subasset Inspector is empty
- The issue is also reproducible with Undo.DestroyObjectImmediate
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Resolution Note (fix version 2021.2):
Fixed in 2021.2.0a14
Resolution Note (fix version 2021.1):
Fixed in 2021.1.8f1
Resolution Note (fix version 2020.3):
Fixed in 2020.3.11f1
Resolution Note (fix version 2019.4):
Fixed in 2019.4.29f1