Lighting Channels do not work with Forward Shading

UE - Rendering - Materials - Mar 28, 2022

Param usage bug when using switch params

UE - Rendering - Materials - Mar 28, 2022

From the ticket: In a material instance using the attached master material if A is TRUE and B is FALSE I expect to be able to configure param C in the UI. However param C is shown only when Useswi ...

Refraction can't be set using SetMaterialAttributes node in a material function.

UE - Rendering - Materials - Mar 14, 2022

From the UDN: Currently, I'm using UE5, but I've seen this issue occur in UE4 and I don't see any other posts on UDN about this. Refraction can only be set in material functions if using the MakeMa ...

MaterialExpressionLandscapeLayerBlend with material attributes as inputs, the output material attributes have wrong sizes

UE - Rendering - Materials - Mar 14, 2022

From the UDN ticket: When using MaterialExpressionLandscapeLayerBlend with material attributes as inputs, the output material attributes have wrong sizes: ie output Normal attribute cannot be conve ...

SceneTexture:WorldNormal causes decal to ignore Emissive Color

UE - Rendering - Materials - Mar 11, 2022

SceneTexture:WorldNormal causes decal to ignore Emissive Color.  ...

Undoing a change in a level while a Material is open causes the Material to become dirty

UE - Rendering - Materials - Mar 10, 2022

Undoing a change in a level while a Material is open causes the Material to become dirty, but isn't indicated in the content browser only by the save changes dialog when closing the material. ...

'Decal Blend Mode' in the Result node is missing

UE - Rendering - Materials - Mar 8, 2022

'Decal Blend Mode' in the Result node is missing. The user that reported this noticed it when converting from early access to Preview 1. Their emissive decals stopped blending. ...

RVT displaying lower LOD VTs by default in editor

UE - Rendering - Materials - Feb 28, 2022

See licensee description for further details. ...

Crash when writing WPO using SceneDepth

UE - Rendering - Materials - Feb 25, 2022