UUM-144069

Fixed in 6000.6.0b1

Mentioned in 11 release notes.

First fixed in 6000.6.0b1 (Jun 23, 2026); relisted in 10 later releases.

Open on Unity Issue Tracker
VersionSectionRiskImpactNote
6000.6.0b9Fixes
UI Toolkit
FixFixed assertion exceptions thrown when dragging a UXML asset into the UI Builder Hierarchy after editing a template instance in context.
6000.6.0b8Fixes
UI Toolkit
FixFixed assertion exceptions thrown when dragging a UXML asset into the UI Builder Hierarchy after editing a template instance in context.
6000.6.0b7Fixes
UI Toolkit
FixFixed assertion exceptions thrown when dragging a UXML asset into the UI Builder Hierarchy after editing a template instance in context.
6000.6.0b6Fixes
UI Toolkit
FixFixed assertion exceptions thrown when dragging a UXML asset into the UI Builder Hierarchy after editing a template instance in context.
6000.6.0b5Fixes
UI Toolkit
FixFixed assertion exceptions thrown when dragging a UXML asset into the UI Builder Hierarchy after editing a template instance in context.
6000.6.0b4Fixes
UI Toolkit
FixFixed assertion exceptions thrown when dragging a UXML asset into the UI Builder Hierarchy after editing a template instance in context.
6000.6.0b3Fixes
UI Toolkit
FixFixed assertion exceptions thrown when dragging a UXML asset into the UI Builder Hierarchy after editing a template instance in context.
6000.6.0b2Fixes
UI Toolkit
FixFixed assertion exceptions thrown when dragging a UXML asset into the UI Builder Hierarchy after editing a template instance in context.
6000.5.1f1Fixes
UI Toolkit
FixFixed assertion exceptions thrown when dragging a UXML asset into the UI Builder Hierarchy after editing a template instance in context.
6000.6.0b1Fixes
UI Toolkit
FixFixed assertion exceptions thrown when dragging a UXML asset into the UI Builder Hierarchy after editing a template instance in context.
6000.6.0b1Fixes
UI Toolkit
FixFixed assertion exceptions thrown when dragging a UXML asset into the UI Builder Hierarchy after editing a template instance in context.

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