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Fixed in Unity 2018.1

Votes

0

Found in

5.6.1f1

Issue ID

958426

Regression

No

Unwrapping.GenerateSecondaryUVSet breaks mesh topology

Graphics - General

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Priority: 5Not yet prioritized for a release

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Severity: 2No workaround

Steps to reproduce:
1.Open attached “GenerateSecondaryUVSet.zip” Unity project
2.Open scene “Test"
3.Select “AircraftPrefab” asset in Project view
4.Go to Assets->TestUV

Expected results:
Topology remains unchanged
Actual results:
Mesh topology is broken

Reproduced in: 2017.3.0b4, 2017.2.0f3, 2017.1.2p1, 5.6.4f1, 5.5.5p1, 5.5.0a6

Note: Reimporting the mesh asset reverts the mesh back to normal

Fixed in: 2018.1.0a4

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