Debug Lines can be seen through objects at certain camera angles.

UE - Graphics Features - Apr 28, 2022

Debug Lines can be seen through objects that occlude them at certain camera angles. Repro Rate: 3/3 Tested this in //UE4/Release-4.27 @ CL#18319896 and the issue did not occur there, it is a regre ...

'Set Playback Position' node fires Timeline event even if 'Fire Events' is set to false

UE - Gameplay - Apr 30, 2015

'Set Playback Position' node fires Timeline event even if 'Fire Events' is set to false. User Description: Basically using the set playback position node to set a new time position for a timeline ...

Dithered LOD transitions do not work when the camera's field of view changes

UE - Graphics Features - Jun 12, 2025

Dithered LOD transitions do not work when changing the camera's field of view and cause artifacts when both the FOV and camera distance to the object are changed simultaneously. ...

Illegal Else Without Matching If

UE - Simulation - Physics - Feb 3, 2017

Looks like there's a missing if/else pair in BodyInstance.cpp ...

Lidar Point Cloud Plugin functions return empty locations for individual points (both relative and world scale)

UE - Editor - Content Pipeline - Feb 21, 2025

The locations of individual point cloud points are empty in the array returned from the get_points_in_box_as_copies,get_points_in_sphere_as_copies,line_trace_multi functions. The last boolean argum ...

Static mesh appears to lose material reference after setting the material via blutility and changing levels

Tools - Nov 16, 2016

Static mesh appears to loose material reference after setting the material to a dynamic material instance via blutility and changing levels ...

Setting a float value with the meta tag "ExposeOnSpawn = true" on spawn doesn't retain the value

UE - Gameplay - Feb 25, 2022

Float values with the meta tag expose on spawn aren't retaining their value when the value is set with a Spawn Actor node. It appears to only be floats. Maybe it has something to do with the change ...

[CrashReport] UBlueprintGeneratedClass::AddReferencedObjectsInUbergraphFrame()

UE - Gameplay - Blueprint - Nov 2, 2017

This is a common engine crash that has occurred since at least 4.16. Users have not provided any useful descriptions of their actions when the crash occurred. The callstack shares some similaritie ...

Contact shadows bug in splitscreen

UE - Graphics Features - Dec 11, 2024

Screen Space shadows do not check the view boundary. This can cause extra shadows in split screen, as one view can cast shadows in another view. ...

CSM shadow casters falsely culled due to incorrect primitive octree test

UE - Graphics Features - Shadows - Sep 13, 2024

While setting up whole scene shadows, CasterOuterFrustum is used to cull shadow casters from PrimitiveOctree. CasterOuterFrustum doesn't extend far back enough, which means that if an octree node fi ...