UUM-158710

Fixed in 7000.0.0a16

Mentioned in 6 Unity 7 release notes.

First fixed in 7000.0.0a16 (Nov 5, 2026); relisted in 1 later release.

All (9)Unity 7 (6)Unity 6 (3)
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VersionSectionRiskImpactNote
7000.0.0a16Improvements
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.
7000.0.0a16Changes
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.
7000.0.0a16Fixes
Physics 2D
FixFixed "PhysicsLayers" returning out-of-date layer names after "PhysicsCoreSettings2D.physicsLayerNames" was replaced.
7000.0.0a16Improvements
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.
7000.0.0a16Changes
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.
7000.0.0a16Fixes
Physics 2D
FixFixed "PhysicsLayers" returning out-of-date layer names after "PhysicsCoreSettings2D.physicsLayerNames" was replaced.

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