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Fixed in 2020.2.X

Fixed in 2018.4.X, 2019.4.X

Votes

0

Found in

2019.4

2019.4.0f1

2020.2

Issue ID

1254779

Regression

Yes

[ECS] “Out of memory” error in WebGL build when GameObject with multiple children objects has Convert To Entity Component

Package

-

How to reproduce:
1. Open the attached project "1254779.zip"
2. Open the "Test" Scene
3. Build and run the WebGL Player

Expected result: an empty screen with a skybox is displayed
Actual result: a grey screen is displayed and after ~5 seconds "Out of memory" alert message appears

Reproducible with: 2019.4.8f1 (0.8.0-preview.8, 0.11.1-preview.4), 2020.1.2f1 (0.13.0-preview.24), 2020.2.0a20
Not reproducible with: 2018.4.26f1 (0.0.12-preview.24), 2019.4.8f1 (0.7.0-preview.19)

Notes:
- Only reproduces when Convert To Entity Component's parameter "Conversion Mode" is set to "Convert And Destroy"
- Only reproduces when the "EntityObj" GameObject has two or more Sphere GameObjects as its children
- Reproduces on Google Chrome (84.0.4147.105), Microsoft Edge (Chromium) (84.0.522.59), Firefox (79.0) web browsers

  1. Resolution Note (fix version 2020.2):

    An issue with the job system related to single threaded platforms was causing this crash, and has been resolved.

  2. Resolution Note (fix version 2019.4):

    This issue has been fixed and should no longer reproduce in Unity 2019.4.19f1 and above

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