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Fixed in 2022.2.X

Fixed in 2022.1.X



Found in


Issue ID




UI Builder produces invalid UXML code when overriding an attribute from another UXML document

UI Builder


Reproduction steps:
1. Open the attached project ""
2. Open "SampleScene" Scene
3. Open "UI.uxml" in the Assets Folder
4. In the UI Builder's Hierarchy window expand "root" and "Comp" Components
5. Select the "someLabel" Text component
6. Change the Text value in the UI Builder's Inspector window
7. Save the UI Document

Expected result: UI Document is saved without any issues
Actual result: "System.Xml.XmlException" is thrown, the UI Builder rewrites the UXML code without a forward slash at the end of the AttributeOverrides element statement

Reproducible with: 1.0.0 (2022.1.0a16, 2022.1.0b2)
Not reproducible with: 1.0.0-preview.18 (2019.4.34f1, 2020.3.25f1, 2021.2.6f1, 2022.1.0a15), 1.0.0 (2021.2.7f1)

  1. Resolution Note (fix version 2022.2):

    Fixed in: 2022.2.0a2

  2. Resolution Note (fix version 2022.1):

    Fixed in 2022.1.0b5

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