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Won't Fix

Votes

0

Found in [Package]

4.0.0-exp

Issue ID

USDB-2

Regression

No

Extra data is added to materials when extracting and reimporting .usd, .usda, .usdc & .usdz files with USD Exporter and USD Importer

Package: USD Exporter

-

How to reproduce:

  1. Open the project "IN-66095"
  2. Open the “SampleScene” scene
  3. Select “Root“ GameObject from the Hierarchy window, open USD → “Export Selected With Children“ and save the file
  4. Drag the saved file into the Project window and select it, in the Inspector window enable “Import” and press “Apply”
  5. In the Project window, click on one of the imported materials and observe the Inspector window

Expected result: Material data is the same as before importing it
Actual result: Material has extra data added about it (Displacement, ClearCoatMask, etc.)

Reproducible with: 4.0.0-exp (2023.2.7f1, 2023.3.0b4)
Not reproducible with: 3.0.0-exp.5 (2021.3.34f1, 2022.3.18f1)

Reproducible on: Windows 11 Pro (23H2)
Not reproducible on: No other environment tested

Notes:
-The packages which are used to reproduce this issue are: USD Core 1.0.0-pre.1, USD Importer 1.0.0-pre.1 and USD Exporter 1.0.0-exp.1
-The issue is not reproducible with the USD Experimental Package 3.0.0-exp.5 (which supports Unity 2019.4+ versions)
-The bug might have been caused by the package split and there is no correct way to verify if this is a regression

  1. Resolution Note:

    Thank you for reporting a bug to Unity.

    We have reviewed the issue carefully, and in this case, the team is unable to prioritize fixing this bug. There are a number of reasons we make this decision, including the impact and severity of the issue across our user and customer base, and the possibility that future plans may solve the problem in a different way, or that a workaround for the bug may be available.

    Today we will be closing this case. Thank you again for taking the time to report this issue, and please let us know if there is anything else that changes the impact or severity of this issue.

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