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Fixed in 2020.2.X
Votes
0
Found in
2018.3.0a1
2019.1.0a1
2019.1.2f1
2019.2.0a1
2019.3.0a1
Issue ID
1156199
Regression
Yes
InvalidOperationException thrown and performance drop when selecting a Mesh inside Scene View with more than 63 submeshes
Reproduction steps:
1. Open the attached Project from "New Unity Project.zip"
2. Open the "Main" Scene
3. Select the "MeshRenderer" GameObject
Expected result: No exceptions are logged inside the Console window
Actual result: Exceptions are logged inside the Console window and performance drops
Reproduces on: 2018.3.0a1, 2018.4.1f1, 2019.1.4f1, 2019.2.0b3, 2019.3.0a3
Does not reproduce on: 2017.4.26f1
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Resolution Note (fix version 2020.2):
When we are rendering material previews it's possible to exceed the limit of 63 that exists due to preview scene limitations. We need to be more careful about returning preview scenes after each render so they can be shared.