UUM-158710

Fixed in 6000.7.0b8

Mentioned in 3 Unity 6 release notes.

First fixed in 6000.7.0b8 (Nov 5, 2026).

All (9)Unity 7 (6)Unity 6 (3)
Open on Unity Issue Tracker
VersionSectionRiskImpactNote
6000.7.0b8Improvements
Physics 2D
ImprovementImproved the performance of contact, trigger, body update, and joint threshold callbacks, which no longer query the engine for each event to find its callback target. (UUM-158710) First seen in 6000.7.0a1.
6000.7.0b8Changes
Physics 2D
ChangeChanged the default "PhysicsShapeDefinition" to enable "contactEvents" and "triggerEvents", and the default "PhysicsChainDefinition" to enable "triggerEvents", so a shape only needs "isTrigger" enabled to detect other shapes. (UUM-158710) First seen in 6000.7.0a1.
6000.7.0b8Fixes
Physics 2D
FixFixed "PhysicsLayers" returning out-of-date layer names after "PhysicsCoreSettings2D.physicsLayerNames" was replaced. (UUM-158710) First seen in 6000.7.0a1.

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