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

UE - Rendering - Materials - Mar 6, 2023

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

UE - Rendering - Materials - Mar 2, 2023

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.

UE - Rendering - Materials - Feb 23, 2023

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

UE - Rendering - Materials - Feb 20, 2023

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 ...

Errors occur when moving duplicated Material Instances

UE - Rendering - Materials - Feb 9, 2023

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

Artifact occurs in package build when applying Material Layer with WPO to Opaque material

UE - Rendering - Materials - Dec 15, 2022

An artifact is seen in package builds when an instance with a base material parented by a base material with no WPO output is set to Opaque and a layer with WPO output is used. Since the WPO is igno ...

Blending does not work when materials using material layers are set to Post Process Volume

UE - Rendering - Materials - Dec 14, 2022

Blending does not work as intended when Material Layers are used in post process. ...

Custom Node interprets MaterialAttributes inputs as float3

UE - Rendering - Materials - Dec 8, 2022

It seems that the Material Editor's Custom nodes don't handle inputs of type FMaterialAttributes correctly, and instead interpret them as float3. ...