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Fixed in 2020.2.X
Fixed in 2019.4.X, 2020.1.X
Votes
1
Found in
2019.3.0a1
2019.3.10f1
2020.1
2020.2
Issue ID
1239162
Regression
Yes
[Performance Regression] "EditorOnly [Prefabs.MergePrefabs]" process noticeably slower when opening a scene
Reproduction steps:
1. Import the attached .unitypackage ("1239162.unitypackage")
2. Open the Scene "Candy Trip 3"
Expected result: Scene is opened at the same speed as before
Actual result: Scene takes a lot longer to open than before
Reproducible with: 2019.3.0a1, 2019.3.12f1, 2020.1.0b8, 2020.2.0a9
Not reproducible with: 2018.4.22f1, 2019.2.0a14
Notes:
- In the versions deemed not reproducible the same action would take about 90-100ms, while in the versions deemed reproducible it would take 25000-50000ms
-
Bastienre4
Aug 19, 2020 15:24
In my case, in some maps, it takes more than 60s to "Prefabs.MergePrefabs" on play mode exit.
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Resolution Note (fix version 2020.2):
Fixed in 2020.2.0b1
Resolution Note (fix version 2020.1):
Fixed in 2020.1.8f1
Resolution Note (fix version 2019.4):
Fixed in 2019.4.24f1