Unreal Engine Issues
Unreal Engine Issues
Crash enabling Stochastic Rect Light with Ray Tracing
UE - Graphics Features - Lumen - Oct 13, 2020Enabling Stochastic Rect Lights with Ray Tracing causes the project to crash. Reported and tested in version 4.26.0(CL 14419252). Tested and not found in version 4.25.3(CL 13942748). ...
"Convert to Blueprint" removes ability to edit component properties
UE - Gameplay - Blueprint - Dec 4, 2018As noted by the user in the linked UDN question, this seems to be a problem with the PointLightComponent property on APointLight not having the VisibleAnywhere property descriptor. Also as noted, th ...
Data validation FAILED due to IWBE_Blutility containing invalid data
UE - Content - Engine - Jan 11, 20214.26[AssetLog] D:\Binary\UE_4.26\Engine\Content\Tutorial\InWorldBlueprintEditing\TutorialAssets\IWBE_Blutility.uasset: Default__IWBE_Blutility_C is not valid. See the MapCheck log messages for detai ...
SceneCaptureComponent2D leaks a ton of memory in a Packaged Build
UE - Virtual Production - Mar 12, 2020This was initially reported in VR but the leak happens in a non-VR setup and environment. GPU utilization jumps to 84% in 4.23.1 and 98%+ in 4.24.3, 4.25, and 4.26. Tested GPUs were GTX 980 and GTX ...
GAS: Ability that destroys owning actor on activate causes crashes due to ABILITYLIST_SCOPE_LOCK
UE - Gameplay - Gameplay Ability System - Oct 31, 2023A GameplayAbility that destroys its owning actor inside ActivateAbility() causes a crash, because actor destruction will modify the ability list but ActivateAbility() is called within an ABILITYLIST ...
[CrashReport] UE4Editor_CoreUObject!TFastReferenceCollector<1,FGCReferenceProcessor<1>,FGCCollector<1>,FGCArrayPool,0>::ProcessObjectArray()
UE - Foundation - Core - UObject - Jul 19, 2017This is a common crash affecting users in 4.16. Over 100 users have been affected, although they have not provided additional information. Source Context 469 TokenStreamIndex++; 47 ...
Sequencer animations using Skeletal Mesh Pose don't play properly if following another sequence with an animation using Keep State
UE - Anim - Sequencer - Feb 20, 2019The bug affects skeletal mesh animations when played in sequencer with AnimBP after another animation which was set to Keep State. This is a follow-up to [Link Removed]. Two animations now play cor ...
Callling "Get[AxisMapping]" or adding AxisMapping Event node in blueprint will break code input implementation for that axis mapping
UE - Gameplay - Input - Aug 17, 2016When character input is defined in code, adding a call to the Get[AxisMapping] node in blueprints causes input for the specific mapping to fail. Note: This only affects code based input, Blueprint ...
BSP brushes get Clipped or Disappear relative to the Surface Normals of a nearby Brush when Deleting/Flipping Faces
UE - LD & Modeling - Modeling Tools - BSP - May 1, 2017While testing this issue it was interesting to discover how the surrounding BSP's were affected. They seemed to clip/disappear according to the surface normals of the deleted brushes. There is a si ...
Editor Crashes when adding the Start Matinee Camera Shake node to a Blueprint and playing in editor
UE - Anim - Sequencer - Sep 9, 2021When adding the Start Matinee Camera Shake node to a blueprint and then playing the project, the editor crashes. When regression testing in 4.26 however, I noticed that compiling the Third Person Ch ...