UUM-108928

Fixed in 6000.3.0a5

Mentioned in 14 release notes.

First fixed in 6000.3.0a5 (Aug 21, 2025); relisted in 13 later releases.

Open on Unity Issue Tracker
VersionSectionRiskImpactNote
6000.3.0f1Fixes
Web
FixFixed multithreading bug when UI Toolkit is used in multithreaded Web builds.
6000.3.0b10Fixes
Web
FixFixed multithreading bug when UI Toolkit is used in multithreaded Web builds.
6000.3.0b9Fixes
Web
FixFixed multithreading bug when UI Toolkit is used in multithreaded Web builds.
6000.3.0b8Fixes
Web
FixFixed multithreading bug when UI Toolkit is used in multithreaded Web builds.
6000.3.0b7Fixes
Web
FixFixed multithreading bug when UI Toolkit is used in multithreaded Web builds.
6000.3.0b6Fixes
Web
FixFixed multithreading bug when UI Toolkit is used in multithreaded Web builds.
6000.3.0b5Fixes
Web
FixFixed multithreading bug when UI Toolkit is used in multithreaded Web builds.
6000.3.0b3Fixes
Web
FixFixed multithreading bug when UI Toolkit is used in multithreaded Web builds.
6000.3.0b2Fixes
Web
FixFixed multithreading bug when UI Toolkit is used in multithreaded Web builds.
6000.0.58f1Fixes
Web
FixFixed "ArgumentOutOfRange" exception when UI Toolkit was used in Web builds with "Native C/C++ Multithreading" enabled.
6000.3.0b1Fixes
Web
FixFixed multithreading bug when UI Toolkit is used in multithreaded Web builds.
6000.2.2f1Fixes
Web
FixFixed "ArgumentOutOfRange" exception when UI Toolkit was used in Web builds with "Native C/C++ Multithreading" enabled.
6000.3.0a5Fixes
Web
FixFixed multithreading bug when UI Toolkit is used in multithreaded Web builds.
6000.3.0a5Fixes
Web
FixFixed multithreading bug when UI Toolkit is used in multithreaded Web builds.

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