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0
votes
Not Reproducible

Error "ArgumentException: Both 'ok' and 'cancel' strings are null or emp...

UI Builder

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Apr 25, 2024

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Version/s: 2021.3.38f1, 2022.3.27f1

Steps to reproduce: Open any Project Open UI Builder (Window > UI Toolkit > UI Builder) Drag 2 Elements from the Standard Libr... Read more

0
votes
Fixed

IndexOutOfRangeException is thrown and an element returns to the wrong l...

UI Builder

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May 10, 2024

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Version/s: 2021.3.38f1, 2022.3.28f1, 6000.0.1f1, 6000.1.0a7, 6000.2.0a1

Reproduction steps:1. Open the attached “BugRepro” project2. Open the “Assets/UIDocument.uxml file3. Select the “GfxTestContainer” e... Read more

0
votes
Active

Unable to add elements in UI Builder when searching in UI Builder Hierarchy

UI Builder

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Mar 31, 2026

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Version/s: 6000.6.0a2

Steps to reproduce: Create and open a new project Create and open a new UI Document Search for anything in the UI Builder's Hierarch... Read more

0
votes
Fixed

UI Builder has misaligned text/letters when the Display Scale is 125%>= ...

UI Builder

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Dec 05, 2025

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Version/s: 6000.4.0b1, 6000.5.0a3

Steps to reproduce: In the System Settings, set your Display Resolution to 1920x1080 or similar Set your display Scale to 125% or 10... Read more

0
votes
Not Reproducible

Deprecated UxmlTraits API warning is thrown after adding a Visual Elemen...

UI Builder

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Dec 03, 2025

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Version/s: 6000.4.0b1, 6000.5.0a3

Steps to reproduce: Open the attached project Open the New Scene Open the NewUXMLTemplate.uxml asset in the UI Builder Drag a Label ... Read more

1
votes
Fixed

ArgumentException is thrown and reference is missing when deserializing ...

UI Builder

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Dec 19, 2024

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Version/s: 6000.0.32f1, 6000.1.0a8

Reproduction steps:1. Open the attached “Hopeful Dumpster Fire.zip” project2. Open the “Assets/BugReport/Document.uxml“ file in the ... Read more

5
votes
Fixed

UI Builder unloads UXML file and discards any unsaved changes when enter...

UI Builder

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Mar 12, 2025

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Version/s: 6000.0.43f1, 6000.1.0b11, 6000.2.0a7

How to reproduce:1. Open the “IN-97116.zip“ project2. Open the “Main“ Scene3. Enable “Domain and Scene Reload” in Edit > Project ... Read more

3
votes
Won't Fix

MultiColumnListView Columns have the same Name value when binding with L...

UI Builder

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Mar 14, 2025

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Version/s: 6000.0.42f1, 6000.1.0b10, 6000.2.0a6, 6000.3.0a1, 6000.4.0a1, 6000.5.0a1

Reproduction steps:1. Open the attached “IN-96987.zip” project2. Double click on the “Document.uxml” from the Project Window3. In th... Read more

0
votes
Won't Fix

"UI Document was modified externally" pop up appears when reimporting as...

UI Builder

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May 27, 2025

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Version/s: 2022.3.62f1, 6000.0.50f1, 6000.1.4f1, 6000.2.0b3, 6000.3.0a1, 6000.4.0a1, 6000.5.0a1, 6000.6.0a1

How to reproduce:1. Create and open a new project2. Right click in the Project tab and navigate to: Create > UI Toolkit > UI D... Read more

0
votes
Won't Fix

Actions in UI Builder Preview mode are not fully reset after exiting the...

UI Builder

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Jun 06, 2025

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Version/s: 2022.3.63f1, 6000.0.50f1, 6000.1.7f1, 6000.2.0b5, 6000.3.0a1, 6000.4.0a1, 6000.5.0a1, 6000.6.0a1

Steps to reproduce: Open the attached project Open the Test UI Document Enter Preview mode Enter a value in the TextField Exit the P... Read more

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