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Votes

0

Found in

6000.0.60f1

6000.2.8f1

Issue ID

UUM-122596

Regression

No

NullReferenceException is thrown and UI builder breaks when using a USS class with "transition-property: none"

-

How to reproduce:
1. Open the ‘TransitionBug.zip' project
2. In the Project menu, open the ‘TestDoc’ Visual Tree Asset
3. Select ‘Visual Element’
4. In the Inspector, navigate to the ‘Transition Animations’
5. In the Property field, select 'none’
6. Observe the console

Expected result: No errors are thrown
Actual result: Errors are thrown

Reproducible with: 2023.1.0a1, 6000.0.60f1 (61dfb374e36f), 6000.2.8f1 (c9992ac36c34), 6000.3.0b4 (b7597543b0a4)
Not reproducible with: 6000.3.0b6 (211490bb75a6), 6000.4.0a2 (79bd4f638ac0)
Fixed in: 6000.3.0b4 (d9367c4960a7)

Reproducible on: macOS 26.0.1 (M1 Max)
Not reproducible on: no other environments tested

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