Unreal Engine Issues
Unreal Engine Issues
Ray traced shadow appears for translucent material after LOD change
UE - Graphics Features - Ray Tracing - Aug 21, 2024When ray-traced shadows are enabled, the shadow for a completely translucent mesh appears when the LOD changes based on distance. ...
Light Leaking With Raytraced Shadows On Lights With Non-Zero Source Length
UE - Graphics Features - Ray Tracing - Jul 23, 2024Light sources which have the source length attribute set to a value greater than zero seem to be leaking light through occluding geometry (see the image below and repro project). Moving it away from ...
Ray Traced Shadows ignore mesh occlusion on water when enabled
UE - Graphics Features - Ray Tracing - Apr 25, 2024A forum user reported an issue where object geometry occlusion would be missing when Ray Traced shadows were enabled. I was able to reproduce the issue internally where occlusion seems to be missing ...
Crash editor when raytracing is enabled and enter kanji characters into TextRenderActor
UE - Graphics Features - Ray Tracing - Apr 25, 2024The editor crashes when entering Kanji characters into TextRenderActor with raytrace enabled. This does not happen with English text. ...
Ray Tracing Translucency in a Post Process Volume breaks in Lit viewmode
UE - Graphics Features - Ray Tracing - Apr 15, 2024Encountered a strange issue where switching to RT Translucency on a PPV would cause it to appear incorrect. However, if you swap the viewmode to Path Tracing, it does appear correct. See screenshots ...
Screenspace Denoiser creates artifacts for Ray Traced Shadows
UE - Graphics Features - Ray Tracing - Nov 13, 2023Screen space denoiser creates two types of artifacts: artifacts around boundary for general lighting The artifact is there before 5.2 but since the ray traced shadow denoiser denoises on the sqr() s ...
Raytraced Shadows render incorrectly in a project that has been converted from 5.0.3 to 5.1.1 to 5.2
UE - Graphics Features - Ray Tracing - May 16, 2023Version to VersionResultsNew 5.0.3 project to 5.1.1Works as ExpectedNew 5.1.1 project to 5.2Works as ExpectedNew 5.0.3 project to 5.1.1 to 5.2Bug OccursNew 5.0.3 project to 5.2 Bug Occurs The scene ...
Subsurface shading model is broken when ray traced shadows are used in 5.1+
UE - Graphics Features - Ray Tracing - Apr 19, 2023RayTracing Final Gather is not working in UE 5.1
UE - Graphics Features - Ray Tracing - Apr 12, 2023Further Comments: Customer is using the deprecated ray traced mode. ...