TSlateMaterialShaderPSDefault cast error when opening Platform Stats in Lyra's M_UI_Base_BordersAndButtons Material

UE - Rendering - Materials - Jun 16, 2022

Licensee has provided a potential fix, please see the UDN link. Callstack attached utilised -onethread ...

Assertion thrown when selecting the Input Preview arrow within a collapsed node within the Material Graph

UE - Rendering - Materials - Jun 6, 2022

This is a regression testing in //UE4/Release-5.0 CL#18319896 Assertion thrown when selecting the Input Preview arrow within a collapsed node within the Material Graph. ...

Modulate Blend Mode on Deferred Decals does not seem to multiply with background pixels

UE - Rendering - Materials - May 10, 2022

Modulate Blend Mode on Deferred Decals does not blend multiply with background pixels. Transparency for Deferred Decals also does not seem to match with what occurs in 4.27; Repro Rate: 4/4 Tested ...

Custom UVs don't store information properly in layered materials.

UE - Rendering - Materials - May 9, 2022

[Link Removed] I have this set up so that FX artists can stack UV manipulations, so I don't want to just have all the UV manipulation in the layer with the base color, even though that does give me ...

Display: Missing cached shadermap for Preview:<MaterialName> in PCD3D_SM5, Default, SM5

UE - Rendering - Materials - May 4, 2022

When applying a Landscape Layer Blend of textures to the Material Base Color, the preview does not update or shows black instead of how the material is supposed to look. When you disconnect the lay ...

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 ...