Unreal Engine Issues
Unreal Engine Issues
Standalone Level Instance with WorldPartition world don't load in editor
UE - World Creation - Worldbuilding Tools - Level Instances - Dec 2, 2025A WorldPartition map used as a level instance that's set to standalone mode doesn't load its actors in the editor. ...
World Partition: warnings on editor only actors when running the editor in -server/-game mode
UE - World Creation - Worldbuilding Tools - World Partition - Apr 16, 2024The warning for editor-only actors is unnecessary in these modes where they don't exist. ...
Lumen indirect lighting artifacts when far from world origin
UE - Graphics Features - Lumen - Feb 6, 2024Lumen seems to not be using Large World Coordinates somewhere. The Lumen Scene develops artifacts at large distances (5000 KM) from the world origin. ...
Lidar Point Cloud Plugin functions return empty locations for individual points (both relative and world scale)
UE - Editor - Content Pipeline - Feb 21, 2025The 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 ...
Animation Constraint Jitter in Sequence when Constraining Layered Control Rig node
UE - Anim - Anim in Engine - Nov 6, 2025When using constraints with layered control rigs, you get jitter on the constrained object. ...
Static Mesh Contact Shadows still render when all LOD sections have Cast Shadows dissabled
UE - Graphics Features - Oct 30, 2025When the cast shadow checkbox is disabled for all sections that make up a static mesh the main shadow is no longer rendered but the contact shadow does not respect the instruction to disable shadows ...
Possible bug with GAOGlobalDistanceFieldCacheMostlyStaticSeparately
UE - Graphics Features - Jun 2, 2025The Global Distance Field can constantly update, even when the camera is stationary, in large World Partition maps. This bug requires a large amount of the World Partition map to be loaded to reprod ...
Crash after generating HLODs for merged meshes that have all triangles culled
UE - World Creation - Worldbuilding Tools - HLOD - Jul 25, 2024Crash when entering Brush Editing mode with a Sequence spawnable Post process volume
UE - Graphics Tools - Modeling Tools - BSP - Mar 18, 2024Adding "Add Velocity" module to event handler stage causes ensure (ensureMsg)
UE - Niagara - Scripting - Dec 19, 2023Adding a module which has Required Dependencies (such as "Add Velocity") to event handler stage causes ensureMsg. > > In system /Game/NewNiagaraSystem.NewNiagaraSystem, module AddVelocity (NiagaraN ...