Unreal Engine Issues
Unreal Engine Issues
SkyLight Leaking does not affect reflections when the SkyLight is static but static lighting is disallowed
UE - Graphics Features - Sep 10, 2025Reflections do not receive SkyLight leakage contribution from a static SkyLight when static lighting is disallowed. This is caused by the function UpdateSkyIrradianceGpuBuffer checking if the SkyLig ...
Can Ever Affect Navigation does not detect updates to collision settings at runtime
UE - AI - Jan 27, 2016When a mesh has its collision updated during runtime the navigation around the mesh does not update. Workaround: If the mesh is set to simulate physics then updates to its collision will update nav ...
Post Processing continues to affect Sprites after project setting defaults are disabled and all volumes and cameras' settings are disabled
UE - Graphics Features - Nov 19, 2014After disabling the defaults in Project Settings > Rendering > Default Postprocessing Settings, disabling all GlobalPostProcessSettings volumes, and setting the Post Process Blend Weight in the play ...
SetActorEnableCollision does not affect Destructible meshes
UE - Simulation - Physics - Destruction - Jan 4, 2016Setting the SetActorEnableCollision blueprint node to false does not disable collision for a destructible mesh. Workaround: Adding a static Mesh component and setting any mesh will cause the collis ...
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 ...
Quality settings should not affect landscape resolution
UE - LD & Modeling - Terrain - Landscape - Mar 10, 2015Changing the quality settings (or having them change on you automatically in the editor) drops mips on landscape heightmap textures, which isn't desirable as it makes it look like there are collisio ...
Foliage radius does not affect other foliage assets
UE - World Creation - Worldbuilding Tools - Foliage - May 5, 2016Setting the radius on a foliage asset does not prevent other foliage assets from being painted within that radius. Regression (no) issues (does) occur in 4.10.4 ...
Actor Enable Collision does not affect ISM
UE - Simulation - Physics - Nov 12, 2020The problem was reported via UE Bug Submission. I was able to repro with their provided test project. ...
Scene Capture Cube not affected by bloom
UE - Virtual Production - Jun 17, 2021SplineComponent - setting roll affects tangents
UE - Framework - Components - Jun 12, 2023Licensee reports issue with setting roll on a spline component control point. ...