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Won't Fix
Votes
0
Found in
5.4.0b2
Issue ID
762161
Regression
No
[Undo] Replace GameObject with Prefab cannot be undone
How to reproduce:
1. Open provided example project
2. Open Assets/Scene.unity
3. Expand the Canvas GameObject in the Hierarchy window
4. Hold down ALT-key and drag&drop Assets/Button.prefab from the Project window onto the "Image" GameObject in the hierarchy window
5. Notice Unity replaced the Image GameObject with the Button prefab as expected
6. Press Ctrl+Z to undo this operation
=> Notice the operation cannot be undone.
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Resolution Note:
We really appreciate your contribution to the Unity product. Thank you for reporting this issue. We take every case submitted to us seriously by investigating the impact on you, our customer, as well as the impact it may have on the engineering and experience of our product.
This particular case has been investigated thoroughly and we have decided, in the interests of protecting the stability and features of Unity for users that rely upon the affected versions, to not address this issue.