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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

Scene Management

-

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

  1. Response avatar

    Resolution Note (fix version 2022.1):

    Pull request is created, waiting for the fix to land :)

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