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Fix In Review for 2022.1.X
Duplicate in 2021.2.X
Planned for 2019.4.X, 2020.3.X, 2021.1.X
Votes
1
Found in
2019.4.29f1
2020.3
2021.1
2021.2
2022.1
Issue ID
1360901
Regression
Yes
Poor performance when loading or unloading a large Scene
Reproduction steps:
1. Open the attached project "performance-test-project.zip"
2. Open "Loader.unity" Scene
3. Enter Play Mode
4. Click "Load Heavy Scene" in the bottom left corner to load
5. Observe "time" to load in the bottom right corner.
6. Click "Load Heavy Scene" again to unload
7. Observe "time" to unload in the bottom right.
Expected result: The Scene loading and unloading time is similar to previous Editor versions
Actual result: The Scene loading and unloading time is slower than previous Editor versions
Reproducible with: 2019.4.29f1, 2020.3.17f1, 2021.1.17f1, 2021.2.0b9, 2022.1.0a6
Not reproducible with: 2019.4.28f1
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Resolution Note (fix version 2022.1):
Pull request is created, waiting for the fix to land :)