UUM-134907

Fixed in 6000.6.0b1

Mentioned in 2 release notes.

First fixed in 6000.6.0b1 (Jun 23, 2026).

Open on Unity Issue Tracker
VersionSectionRiskImpactNote
6000.6.0b1API Changes
Editor
API changeAdded: Added onValidateValue and SetValueWithoutValidation to BaseField. This runs before the ChangeEvent and replaces the value, so code can clamp, sanitize, or reject input, (UUM-134907) First seen in 6000.6.0a8.
6000.6.0b1Fixes
UI Toolkit
FixAdded confirmation popup when resizing a large list that was bound in the Editor. This matches the IMGUI behaviour. (UUM-134907) First seen in 6000.6.0a8.

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