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Won't Fix
Votes
0
Found in
5.1.3f1
Issue ID
866471
Regression
No
Mass copying project files does not generate previews for prefabs
Steps to reproduce:
1. Download and open the attached project
2. Copy ForestVision files into another project
3. On the second project, go to ForestVision/Editor
4. Look at the console
Expected result: previews = 225 & items = 225
Actual result: previews = 45 & items = 225
Notes:
-The project is set up to output a debug number of seen previews vs number of objects when entering the custom editor
-Most of the prefabs' previews are lost during the import
-This can be fixed by going to Assets/Reimport All or manually updating every object
-Adding new models and making them into prefabs is fine
-The user's original project outputs message and creates previews normally
-Importing small amounts at a time seems to work fine
Reproduced on: 5.1.3f1, 5.5.0p4, 5.6.0b3
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Resolution Note (2019.1.X):
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 fix for the time being. We understand that this will cause problems for some users, and so may address in a future version.