Unreal Engine Issues

Parameters end up associated with the wrong layer after certain material layer swaps

The licensee has also provided an explanation as to why this issue occurs + guidance for a potential fix. Please see the UDN for more details. ...

Discrepancy in screen data read back in Materials from screen UVs

This needs to be debugged to see where the data discrepancy comes from. ...

Investigate adding support for more flexible condition properties in the Material Editor.

The user has added a property to material expressions input node that has a complex expression in its "EditCondition" which isn't supported and results in a crash. Investigate adding support to thi ...

Create a Material Editor node that exposes the VertexID

A UDN user has requested that we expose the VertexID as a Material Editor graph node. According to a brief thread with [Link Removed] , this is a useful feature to add. https://udn.unrealengine.com ...

Shading model node in material layer could not override the material shading model property as expected.

Errors occur when moving duplicated Material Instances

Licensees have reported that two UMaterialInterfaceEditorOnlyData objects are being created for duplicated assets, causing a name conflict when renaming. ...

Changing VectorParam channel names in Material Layer do not propagate to Material Instances

Material Layer Texture Params don't warn on different sampler types

This texture validation exists for global parameters, and should read as "Warning: Param samples /Engine/Functions/Engine_MaterialFunctions02/ExampleContent/Textures/newhplaneNormalsMap.newhplane ...

Crash in Material Editor when calling GetScreenSpaceData() from custom node

Raytracing Material Border Artefacts

Download the licensee repro from here - [Link Removed] The issue should be immediately visible in editor, but if not, shrink the main viewport and it should become more prominent as you zoom into t ...