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Duplicate

Votes

10

Found in

2018.3.12f1

2019.1.0a1

2019.1.0a10

Issue ID

1146750

Regression

Yes

References to identical named .fbx model sub-meshes become broken when updating to 2019.1

Asset Importers

-

Steps to repro:
1. Open the attached project "Unity2018to2019MeshReferenceIssue.zip" using Unity 2018.3
2. Open Sample scene
3. See MyPrefab/MeshCollider1, 2, 3 has Mesh Collider and its mesh is correctly set
4. Open the attached project using Unity 2019.1
5. See MyPrefab/MeshCollider2 has a missing link in MeshCollider

Expected result: MyPrefab/MeshCollider1, 2, 3 has Mesh Collider and its mesh is correctly set
Actual result: MyPrefab/MeshCollider2 has a missing link in MeshCollider

Reproduced in: 2019.1.0f2, 2019.2.0a12
Not reproduced in: 2019.1.0a9, 2019.2.0a1

Comments (5)

  1. 11f539d8f8762684ecedadf4ea8cbd6a?d=mm

    milkhan

    Sep 15, 2019 15:55

    Coud you please give a link to this issue you mentioned: 1155649?

  2. Dbbdf908689c9398bd037470894c1bfd?d=mm

    viscopic_leon

    Aug 21, 2019 13:08

    We want to update to 2019.1 or 2019.2, but this is still an issue and most of our meshes dissapear, making our scene almost completely empty. Still reproducable in 2019.2.1f1 on Windows.

  3. Da38d4cda507f74f642135b56fac9c44?d=mm

    Elecman

    Jul 29, 2019 12:53

    Confirmed by UT that case nr 1155649 is a duplicate of this one. I also use CAD data imported into Unity which is causing problems.

  4. 37bce03a09fadcbde62982c30dd2611a?d=mm

    Truce

    Jul 22, 2019 17:51

    This has been a major issue for us, since we work on industrial visualization and much of our source 3D content comes from CAD files.

  5. Da38d4cda507f74f642135b56fac9c44?d=mm

    Elecman

    May 20, 2019 09:55

    Possibly related to this: 1155649

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