Unreal Engine Issues
Unreal Engine Issues
The cloth wrap deformer doesn't scale the mapping influence distances when the character is scaled
UE - Simulation - Physics - Character - Jan 10, 2023The PositionBaryCoordsAndDist, NormalBaryCoordsAndDist, and TangentBaryCoordsAndDist data that all contain the vertex distance information to the simulated triangle in the cloth shader doesn't scale ...
Moving an InstancedStaticMesh will not move meshes collision
UE - Simulation - Physics - Apr 10, 2015Moving an instanced static mesh will not move the collision along with the mesh. This will leave a visible mesh that players can walk through in one area and a blank space that cannot be walked thro ...
[CrashReport] Linux crash - FLinuxApplication::CreateLinuxApplication()
UE - Platform - Linux - Jul 20, 2017This is a longstanding Linux crash that occurs with some frequency each release. ...
Actors attached to Spring Arm with rotation lag avoid pitches of 90 and -90 degree
UE - Gameplay - Jan 19, 2018From User Bug Submission: When an actor/component (e. g. a camera) rotates around another object using the rotation lag of USpringArmComponent, it cannot rotate to the top or the bottom. At these ...
VirtualTextureStreamingPriority cannot be set per TextureLODGroup
UE - Rendering Architecture - Dec 11, 2025It is currently not possible to set a VirtualTextureStreamingPriority via the TextureLodGroups that are defined in a device profile. ...
No Editor Audio on Linux when using ALSA
UE - Platform - Linux - Oct 31, 2017No sound play in editor when using ALSA (Advanced Linux Sound Architecture), and log spam when launching a project ...
VSM SMRT SamplesPerRay CVars behave differently if groom assets are present leading to a potential full-scene shadow
UE - Graphics Features - May 28, 2025When a groom is present, setting any SamplesPerRay SMRT CVar to zero results in an unexpected complete shadow projected from the light. ProjectLight() in VirtualShadowMapProjection.usf has addition ...
SkyLight is not affecting the volumetric fog
UE - Graphics Features - Lumen - Nov 24, 2022Looks like this behavior was working as expected until 5.1 Preview 2 ...
'Random Pitch Angle' not working when 'Collision with World' is enabled for Foliage instance settings
UE - World Creation - Worldbuilding Tools - Foliage - Jan 16, 2017The 'Random Pitch Angle' setting within the Foliage instance settings are being overridden or ignored when 'Collision with World' is also enabled. This occurs in the binary releases of 4.12.5, 4.13 ...
Convex Decomposition is broken on Linux using Imported Static Mesh
Tools - May 23, 2018Changing the complexity of the desired mesh using the Hull Count, Hull precision and Max Hull Verts on Linux requires the process more time to complete, but causes no results. This process works as ...