Unreal Engine Issues
Unreal Engine Issues
Niagara Mesh Renderer's ParticleColor is not reflected in raytraced reflections
UE - Graphics Features - Lumen - Jun 2, 2020Mesh's ParticleColor is not reflected in raytraced reflections Sprite Particles do not encounter this issue. ...
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 ...
scroll box inside retainer box does not respect scroll box clipping
UE - Editor - UI Systems - Feb 14, 2018There is an issue where scroll boxes inside retainer boxes do not respect scroll box clipping. This issue appears to be a regression. Versions tested: Issue does not occur in 4.17 4.17.2 CL - 36589 ...
Dithered LOD transitions do not work when the camera's field of view changes
UE - Graphics Features - Jun 12, 2025Dithered 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. ...
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 ...
Play options menu vanishes sometimes
UE - Editor - Applied Usability - Oct 8, 2024There seems to be something wrong with how we close menus and submenus as submenus are opened and closed based on mouse interaction. In particular, we seem to sometimes close the whole menu hierarch ...
Adding a Material Parameter track sets Parameter to Master Material defaults
UE - Anim - Sequencer - Aug 5, 2016In Sequencer, adding a Material Parameter track sets Parameter to Master Material defaults ...
Input Key Selector's Set Text Style does not change Text Style when given Text Style Variable
UE - Editor - UI Systems - Feb 6, 2020Input Key Selector's Set Text Style does not change Text Style when given Text Style Variable ...
Decals custom depth/stencil side effect from Lumen
UE - Graphics Features - Oct 15, 2024The order of passes related to Decal rendering (without the DBuffer) and CustomDepth is changed by the CVar "r.Lumen.AsyncCompute", even when Lumen is not enabled. This causes Decal Materials that ...
Memory leak when using Blueprint Debugger while inspecting a return value
UE - Gameplay - Blueprint - Mar 11, 2022Potential memory leak when using Blueprint Debugger to inspect a return value multiple times while playing. User also reported this would cause a crash, but I didn't try to max out ram usage to trig ...