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Fixed in 2020.2

Fixed in 2019.3, 2020.1

Votes

0

Found in

2019.3.7f1

2019.3.9f1

2020.2

Issue ID

1243747

Regression

Yes

Mesh.RecalculateTangents drops 3rd & 4th component of UV0 (for Vector3/Vector4 UVs)

Graphics - General

-

How to reproduce:
1. Open the attached project's Scene labeled "Temp"
2. Enter the Play Mode
3. Observe the Console Window

Expected result: UVs are not changed after Mesh.RecalculateTangents() function is called
Actual result: Vector4 UV .z and .w components are changed to zeroes after Mesh.RecalculateTangents() function is called

Reproducible with: 2019.3.7f1, 2019.3.13f1, 2020.1.0b9, 2020.2.0a10
Not reproducible with: 2017.4.40f1, 2018.4.22f1, 2019.3.6f1

  1. Response avatar

    Resolution Note (fix version 2020.2):

    Fixed in Unity 2020.2.0a12

  2. Response avatar

    Resolution Note (fix version 2020.1):

    Fixed in Unity 2020.1.0b10

  3. Response avatar

    Resolution Note (fix version 2019.3):

    Fixed in Unity 2019.3.15f1

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