Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor_Core!FMath::ComputeBaryCentric2D() [unrealmath.cpp:1951]
UE - Simulation - Physics - Character - Nov 2, 2017This is a trending crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. The error message and callstack closely matches to past ...
Cannot change Collision Responses once component is custom selected from scene
UE - Gameplay - Dec 27, 2016Cannot change Collision Response channel once component is custom selected from scene. This is only an issue if the component is selected by first selecting the actor in the world (scene), then sele ...
LIVE: ProjectileMovement component does not function when a PrimitiveComponent is missing or removed from the Components
UE - Simulation - Physics - Nov 18, 2014A projectile brought over from 4.5.1 or earlier that does not have a Primitive Component as the Root, or removing the root from the projectile in 4.6, returns an error: "Movement component [Projecti ...
When using 'r.VT.SplitPhysicalPoolSize 64' with nanite meshes, mesh painting does not update in real time (only updates after stroke finished), duplicates mesh painting across separate instances of a mesh, and sometimes doesn't show up in PIE.
UE - Rendering Architecture - Mar 3, 2025When using Mesh Painting on nanite meshes in 5.5 with 'r.VT.SplitPhysicalPoolSize' set to non-zero values (e.g. 16, 64), several issues occur, such as: 1. Painting doesn't update in real time (only ...
[CrashReport] UE4Editor_UMG!UPanelWidget::GetChildIndex() [panelwidget.cpp:52]
UE - Editor - UI Systems - Nov 10, 2017This is a trending crash coming out of the 4.18 release. User DescriptionsI did click on compile on a widget an UE4 crash Source Context 46 int32 UPanelWidget::GetChildIndex(UWidget* Conten ...
ScreenPosition material node outputs upside down ViewportUV when launching on android
UE - Graphics Features - Aug 28, 2018ScreenPosition UV upside down on mobile. From User: "I believe the editor mobile preview provides "correct" results, while the mobile device produces upside down results. I ran into this issue w ...
Direct Capsule Shadows with Point Lights also project shadow on opposite side and direction
UE - Graphics Features - Dec 14, 2016When using a Direct Capsule Shadows on a skeletal mesh with a Stationary Point light, depending on the point lights placement, light source radius, and nearby surfaces will cast the shadow on the op ...
[CrashReport] UE4Editor_Landscape!FLandscapeSplinesSceneProxy::GetDynamicMeshElements() [landscapesplines.cpp:159]
UE - LD & Modeling - Terrain - Landscape - Nov 17, 2017This is an infrequent crash in 4.18. Users have not provided any descriptions of their actions when the crash occurred. Source Context 147 for (int32 ViewIndex = 0; ViewIndex < Views.Num( ...
The Random Audio Node Function 'Randomize Without Replacement' does not Function Correctly
UE - Audio - Apr 6, 2015When attempting to play random sounds using the 'Random' node within the audio editor, the 'Randomize Without Replacement' does not function as explained via the tooltip. The options says that if y ...
Potential Memory Leak when frequently terminating and re-initializing FConstraintInstance
UE - Simulation - Physics - Mar 29, 2022From User: When frequently terminating and re-initializing the FConstraintInstance, there appears to be a leak when cleaning up the disabled joint, which leads to an ever growing list that gets sort ...