Unreal Engine Issues

Crash when destroying a geometry collection actor

When an actor with geometry collection is destroyed, the engine doesn't remove elements from array in the ChaosSolver So illegal references occurs. Removing element with following quick fix code ...

"Complex Collision Mesh" is not rendered in "Visibility Collision" view mode

Consider this function in StaticMeshRender.cpp. FStaticMeshSceneProxy::GetDynamicMeshElements Now look for this line in the function: if(bDrawComplexWireframeCollision || (bInCollisionView && bDr ...

Negative scale with non 0 rotation doesn't work.

Assertion failed: Engine crushes when a geometry collection hits a landscape

This is because THeightField::PhiWithNormal has not been implemented yet. ...

Body Instance property changes made in construction scripts are not applied

7054614 was submitted to fix an issue with not being able to modify physics properties on instanced blueprints child components. This is related to [Link Removed]. This change causes BodyInstance t ...

ChaosDestructionDemo packages cannot be created in 4.25.1

Chaos Destruction's PIE startup time increased several times from 4.23.1 to 4.25.1.

In response, the licensee asks the following questions.Are there any plans for improvement?Is there a workaround? ...

Collision preset in StaticmeshComponent in BP instance can not be correctly modified

For staticmesh component in a staticmesh actor instance, the collision preset can be modified correctly. ...

Crash opening project with Hair assets

Crash occurs when the user opens the linked project, which has Hair assets. [Link Removed] ...

Setting the Collision Response of an instanced actor through the Details panel overrides the Construction Script setting

The collision response of an actor can be changed through the Details panel of the instanced actor and this overrides the collision response settings that were set through the Construction Script. ...