Memory Leak in Actor Component Blueprints

UE - Gameplay - Blueprint - Dec 2, 2015

Slow memory leak occurs after opening Actor Component blueprints. ...

Manipulating Morph Target on Master Component distorts Slave Components

OLD - Anim - Apr 1, 2016

Manipulating Morph Targets on Master Component distorts Slave Components. It makes no difference if the slave component has the morph target being manipulated in the master See attached image and ...

USplineComponent::FindLocationClosestToWorldLocation does not function correctly with non-uniform scale

UE - Gameplay - Components - Jul 19, 2022

Licensee reports incorrect results with FindLocationClosestToWorldLocation when used with non-uniformly scaled spline components. ...

Collision build of LiDAR point cloud assets at runtime does not apply

UE - Editor - Content Pipeline - Datasmith - Oct 24, 2023

Collision build at runtime for LiDAR point cloud does not apply. This applies to Editor and Standalone. If you do not allow collision builds at runtime, this module should not be available at runtim ...

Changing number of existing UHierarchicalInstancedStaticMeshComponent in Blueprint causes crash.

UE - Graphics Features - Oct 14, 2016

If using a UHierarchicalInstancedStaticMeshComponent in a C++ class and adding instances via the OnConstruction( ) function, editor can crash. ...

Removing components from Landscape with simplified collision results in assertion

UE - LD & Modeling - Terrain - Landscape - May 18, 2017

Performing operations on a Landscape with simplified collision can result in an assertion ...

Refraction not working with MakeMaterialAttributes

UE - Graphics Features - Sep 14, 2015

When setting a material to Use Material Attributes and then feeding in a Refraction value with MakeMaterialAttributes, the refraction doesn't work properly Reported in 4.8, but I tested in Main as ...

Character Blueprint Cannot Execute Montage to Play at a Negative Play Rate

OLD - Anim - Aug 3, 2016

While an Animation Montage can be played at a negative play rate in Persona, the user cannot use the Character Blueprint to execute this action. ...

Float value of AIDataProvider_QueryParams is cast faild

UE - AI - Oct 9, 2018

IntValue and BoolValue is always indefinite value in UAIDataProvider_QueryParams::BindData(). Attach the result of Watch in VS. ...