Unreal Engine Issues

Visual Noise on Thin Translucent materials with a Directional Light

Regression in testing This occurs with hardware and software ray tracing, as well as moveable and static lights This occurs regardless of anti aliasing. This was tested with DX12 ...

Spot light penetrates mesh geometry when outer cone is narrow

TSR: Implement adapative sharpening in the TSRResolveHistory.usf based of the number of pixel accumulated in history

ReversedDepthOnlyIndexBuffer exported even when bEnableDepthOnlyIndexBuffer is false

ReversedDepthOnlyIndexBuffer is exported even when bEnableDepthOnlyIndexBuffer is false. It's likely an error and line 568 in StaticMesh.cpp should rather be ://if (!bEnableReversedIndexBuffer) <= ...

TSR ghosting with fast moving shadows

[Link Removed]  ...

The hair shading near the screen edge becomes whiter if only a skylight applies

This appears to be an issue with Lumen, with some off-screen information making its way on-screen during an upsampling pass. We checked a Renderdoc capture and that is where it seems to come from. ...

Mesh decals do not display on packed level actors

Light function materials using WorldPosition do not render correctly to volumetric fog if there is more than one

There is a one-line fix for this in a shader file, see their PR on GitHub:https://github.com/EpicGames/UnrealEngine/pull/10251/files ...

Raytraced translucency makes ExpHeightFog black

Does not occur in path tracing nor rasterized translucency. ...

Source Textures used with a Rect Light are blurry and diffused

This is a regression from 5.0.3 tested in the following streams:BranchChange ListResults//UE5/Release-5.020979098Did not reproduce//UE5/Release-5.123901901Reproduced//UE5/Release-5.224608918Reproduc ...