Unreal Engine Issues

Forward Shading causes Artifacting on Instanced Meshes

Forward Shading causes Artifacting on Instanced Meshes. ...

Noise Material Expression Position Input says it can take a 2 dimensional vector, but errors if you do

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Lighting Channels do not work with Forward Shading

Param usage bug when using switch params

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 ...

Depth does not appear to be vertex offset when using the DistanceToNearestSurface node for WPO

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

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

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

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

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

'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. ...