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Fixed in 2020.1.X

Fixed in 2018.4.X, 2019.4.X



Found in



Issue ID




Animation does not play correctly when Optimized Game Object functionality is used and a Child GameObject is added to bone



How to reproduce:
1. Open attached project
2. Open SampleScene
3. Enter the Play Mode
4. Check the face animation
5. Delete the GameObject "OnlyForTest"
6. Enter Play Mode again

Reproducible with: 2018.4.10f1, 2019.1.0a5
Not reproducible with: 2017.4.32f1(due to different Prefab system), 2019.1.0a6, 2019.1.14f1, 2019.2.7f2, 2019.3.0b3, 2020.1.0a5(with all these versions, face animation do not work even without the "OnlyForTest" GameObject, meaning it's a different bug/issue)

Reproducible both on MacOS and Windows

  1. Resolution Note (fix version 2020.1):

    Fixed in 2020.1.0a23

  2. Resolution Note (fix version 2019.4):

    Fixed in - 2019.4.5f1

  3. Resolution Note (fix version 2018.4):

    Fixed in - 2018.4.26f1

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