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Fixed in 2020.2

Fix In Review for 2020.1

Planned for 2019.4

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

Scene Management

-

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

  1. Response avatar

    Resolution Note (fix version 2020.2):

    Fixed in 2020.2.0b1

Comments (1)

  1. 20942619bbd36ec14307d76d2b9f82af?d=mm

    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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