Using Set World Origin Location will cause the player pawn to stutter

UE - World Creation - Worldbuilding Tools - World Composition - Dec 22, 2016

Using Set World Origin Location will cause the player pawn to stutter. The faster the player is moving, the more prevalent the stuttering becomes. User Description: I have encountered a problem wh ...

Get Instances Overlap returns overlap outside of collision bounds

OLD - Anim - May 17, 2017

Get Instances Overlap returns overlap outside of the collision bounds. This effects the Instanced Overlapping Box and Sphere. It is also reproducible with engine assets replacing the Fencing mesh. ...

Material Parameter Tracks don't transfer when converting Matinee to Sequencer(Showdown VR Demo)

UE - Anim - Sequencer - Sep 18, 2017

-Material Parameter tracks are not converted when converting it to a matinee to a level sequence asset Example: SplineRocketTrail smoke trails are not appearing when playing Matinee for Showdown VR ...

WorldGridMaterial gets added as Element 0 when importing LOD model

When importing a LOD model, LOD material can get added as element 0, not preserving previous material assignment. It's not possible to re-order/delete the automatically added Element 0 WorldGridMat ...

RecastNavMesh - Agent Height changes back to default value after project restart

UE - AI - Jan 16, 2018

When trying to change the value of Agent Height under RecastNavMesh-Default it will change back to its default value when you open back up the project. ...

Inserting before a FSlateImageRun twice will cause crash

UE - Editor - UI Systems - Apr 12, 2019

Gameplay Abilities CancelAllAbilities not working as expected

UE - Gameplay - Oct 24, 2019

in AbilitySystemComponent_Abilities.cpp, line:844  CancelAllAbilities() does not appear to be working as expected.  There is a check before cancelling all abilities.  However, this check uses the Cl ...

Loading instanced static mesh causes memory leak in packaged game

UE - World Creation - Worldbuilding Tools - Foliage - Mar 3, 2021

The leaking variable is UInstancedStaticMeshComponent::InstanceDataBuffers. The memory block is passed to InitPerInstanceRenderData() via InstanceDataBuffers.Release(). But the function doesn't mana ...

Get wrong primitive scene data on mobile preview with GPUScene enabled

UE - Rendering Architecture - Shaders - Apr 27, 2022