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Fixed in 2021.2.X

Fixed in 2019.4.X, 2020.3.X, 2021.1.X

Votes

0

Found in

2018.4.9f1

2019.4

2020.2

2021.1

2021.1.0a9

Issue ID

1299185

Regression

Yes

Dragging a Prefab into the Scene view and undoing the action still shows the scene as dirty

Scene Management

-

How to reproduce:
1. Create a new Unity project
2. In the Project window create a new Prefab
3. Drag and drop the prefab to the Scene view
4. Take a look at the Scene name in the Hierarchy
5. Undo your action (CTRL+Z)
6. Take a look at the Scene name in the Hierarchy

Expected result: After the undo Scene is shown as unmodified
Actual result: After the undo Scene is shown as modified

Reproducible with: 2018.4.9f1, 2018.4.30f1, 2019.4.16f1, 2020.1.17f1, 2020.2.0f1, 2021.1.0a10
Not reproducible with: 2018.4.0f1, 2018.4.8f1

Note:
- Dragging the Prefab to the Hierarchy makes the Scene Dirty and undoing that makes the Scene not Dirty successfully
- Prefab is mentioned for reproduction purposes, the issue occurs with Models, that create a GameObject in the Hierarchy
- If the Scene is modified it is indicated by the " * " at the end of its name in Hierarchy

  1. Response avatar

    Resolution Note (fix version 2021.2):

    Fixed in 2021.2.0a5

  2. Response avatar

    Resolution Note (fix version 2021.1):

    Fixed in: 2021.1.0b11

  3. Response avatar

    Resolution Note (fix version 2020.3):

    Fixed in 2020.3.4f1

  4. Response avatar

    Resolution Note (fix version 2019.4):

    Fixed in 2019.4.26f1

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