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By Design
Votes
0
Found in
2018.4
2019.4
2020.3
2021.1
2021.1.5f1
2021.2
Issue ID
1333889
Regression
No
Game Objects will lose their parents when moved between Scenes in the Scene Hierarchy if the Parent object is expanded
How to reproduce:
1. Open the attached project "New Unity Project.zip"
2. Open Scene 'a'
3. From the Project view drag Scene 'b' to the Scene Hierarchy
4. Expand the Root-1 Game Object
5. Select all the objects in Scene 'a'
6. Drag them to Scene 'b'
Expected result: The objects retain their parent-child structure
Actual result: The objects lose their parent-child structure
Reproducible with: 2018.4.34f1, 2019.4.26f1, 2020.3.7f1, 2021.1.6f1, 2021.2.0a16
Workaround: Collapse the parent objects before selecting the objects to move
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Resolution Note:
This is by design as we flatten the hierarchy of all select game objects. A simpler "workaround" is to not select the children of the game objects selected instead of collapsing them.