Unreal Engine Issues
Unreal Engine Issues
DistanceToNearestSurface node does not work when r.DistanceFieldAO is disabled
UE - Rendering Architecture - Materials - Jul 16, 2025The problem seems to be that the bUsesGlobalDistanceField flag in the ShouldPrepareGlobalDistanceField() function checks for usage on the material, but it doesn't seem to take effect. The material u ...
Rect Light not rendered correctly when using Virtual Texture as source texture
UE - Graphics Features - Aug 14, 2025Licensees have reported that this issue occurs when rendering from the command line: Rectangular lights with virtual textures do not render when you run the "Render (Remote)" button in the Editor, a ...
MRQ rendering crashes when there is an empty audio track
UE - Virtual Production - Tools - MRQ - Aug 25, 2025Hovering items at bottom right of Content Browser does not display tooltip and causes cursor flicker
UE - Editor - Applied Usability - Sep 17, 2025When hovering over items located at the bottom right corner of the Content Browser while the Editor is maximized, the tooltip is not displayed. It seems that the tooltip would extend beyond the edge ...
Skylight Leaking Tint in Reflection
UE - Graphics Features - Oct 10, 2025From 5.6 onwards, Skylight Leaking is much stronger in reflections than in the world. Also tested on //UE5/Release-5.6, CL 45232827 ...
World-Space widgets don't cast whadows when using VSM
UE - Graphics Features - Shadows - Oct 29, 2025When using Virtual Shadow Maps (VSM), widgets placed in world space do not cast any shadows. The same widgets correctly cast shadows when the Shadow Method is set to Shadow Maps instead of VSM. ...
Patterns On Landscape Spline Normals
UE - Graphics Tools - Terrain - Oct 31, 2025On higher-density Landscapes, Landscape Splines can lead to patterned artifacts in the geometry normals. Also tested on //UE/Release-5.6, CL:45232827 ...
LWCLength precision issues
UE - Graphics Features - Nov 18, 2025Large World Coordinates tile-offset position data can result in artifacts far from the world origin, when using it as input for mathematical distance field generation. This can be mitigated by demot ...
Material LocalPosition node does not work correctly with Nanite Skinned meshes
UE - Graphics Features - Dec 1, 2025Nanite Skinned Meshes don't receive the correct Local Position in some shadow passes. This depends on the clipmap level, and is not related to VSM caching. Unreal Engine 5.6 shows the same issue, b ...
Swarm Coordinator is not distributing Lighting Builds
UE - Foundation - Core - Jul 20, 2015Swarm Coordinator in 4.8.1/2 is not distributing light builds across accessible agents. If you have and open a Coordinator included in the 4.7.6 build of the Engine, Coordinator is distributing cor ...