UUM-122610

Fixed in 6000.4.0a4

Mentioned in 1 release note.

First fixed in 6000.4.0a4 (Nov 5, 2025).

Open on Unity Issue Tracker
VersionSectionRiskImpactNote
6000.4.0a4Fixes
UI Toolkit
FixFixed an issue that caused the Editor to freeze when selecting the Default.tss theme from the UI Toolkit Theme options. (UUM-122610) First seen in 6000.4.0a3.

Pick your Unity version

Unity Releases compares releases against the version your project is on. Picking it now keeps Compare versions focused on what changes between where you are and where you might be going.