Material expression called Compiler->TextureParameter() without implementing UMaterialExpression::GetReferencedTexture properly

UE - Rendering - Materials - Apr 27, 2022

when trying to replace a Material Function instance, with another instance, as the base color of a material within the Material Graph, the editor crashes with the following error:Assertion failed: ...

Significant Refraction Differences between 4.27 and 5.0

UE - Rendering - Materials - Apr 25, 2022

Crash when null texture parameter is present on a MIC

UE - Rendering - Materials - Apr 22, 2022

From UDN: [Link Removed] Proposed fix: int32 FHLSLMaterialTranslator::TextureParameter(FName ParameterName, UTexture* InDefaultValue, int32& TextureReferenceIndex, EMaterialSamplerType SamplerType ...

Distance Cull Fade Node on Material does not work with Skeletal Mesh

UE - Rendering - Materials - Apr 22, 2022

The licensee reports that this issue is caused by the following code not performing a Buffer update. .\Engine\Source\Runtime\Renderer\Private\ShaderBaseClasses.cpp void FMeshMaterialShaderElementD ...

An Assertion is thrown when connecting a Vertex Interpolator nod to PerInstanceCustomData node to the Result node

UE - Rendering - Materials - Apr 20, 2022

Assertion is thrown when connecting a Vertex Interpolator nod to PerInstanceCustomData node to the Result node. ...

Assertion thrown when connecting a World Position node to the time input of a Panner node then connecting it to Base Color

UE - Rendering - Materials - Apr 20, 2022

Assertion thrown when connecting a World Position node to the time input of a Panner node then connecting it to Base Color. This is a regression. ...

Layer's preview weight does not have an affect on the Preview Material for Landscape Layer Blend nodes

UE - Rendering - Materials - Apr 19, 2022

Layer's preview weight does not have an affect on the Preview Material for Landscape Layer Blend nodes. Repro Rate: 3/3 Tested this in //UE4/Release-4.27 @ CL#18319896 and the preview window did g ...

Forward Shading causes Artifacting on Instanced Meshes

UE - Rendering - Materials - Apr 14, 2022

Forward Shading causes Artifacting on Instanced Meshes. ...

Shadows cast on a translucent forward shaded materials renders with jagged edges

UE - Rendering - Materials - Mar 31, 2022

Shadows cast on a translucent forward shaded materials renders with jagged edges. In 4.27 the edges are different with some jagged points only those points are not as prominent. [Link Removed] ...