Layer blending not detecting compilation errors correctly when linked to material functions

UE - Rendering - Materials - Nov 9, 2021

This may be more of an error when detecting the input when layer blending is being used (as we've seen in other functions), rather than it necessarily being an error with the compilation of the stan ...

MakeMaterialAttributes and LandscapeLayerBlend produce unexcepted results for WorldPositionOffset

UE - Rendering - Materials - Nov 8, 2021

For comparison, this issue doesn't seem to occur when recreating the setup with Set Material Attributes/GetMaterialAttributes. It seems isolated to the Make/Break nodes. ...

Material does not render correctly when launched with Cook on the fly

UE - Rendering - Materials - Nov 8, 2021

This issue seems to occur when using Cook on the fly on a Material that is branched on the Static switch. This issue also seems to occur on the console. Regression = Yes, issue is not reproduced // ...

Terrain layer weight parameters don't work in material layers

UE - Rendering - Materials - Sep 16, 2021

Quick look at code, seems like terrain weight parameters aren't considering MPI association or index. ...

ODSC - Launching a newly created project via UnrealFrontend fails to load some materials and crashes

UE - Rendering - Materials - Sep 6, 2021

The same repro steps on 4.26.2 will launch the project successfully. Packaging a project once to create complete ShaderMaps will work around the issue. ...

Changes to Material Instance Parent don't appear to propagate to child instances if the child instance's editor window is open

UE - Rendering - Materials - Aug 16, 2021

It looks like this occurs when the grandchild instance window is open. If you close and reopen the Grandchild's window the parameter appears as expected. I've attached a project with the setup step ...

Two-Sided Material option is initially greyed out and inaccessible when creating a Material Instance

UE - Rendering - Materials - Jun 9, 2021

When attempting to change the option for Two-Sided Material for a Material Instance, the option is initially greyed out and you cannot change the value. However, if you close out of the Material Ins ...

Expanded vector parameters in Material Layer instance properties stay greyed out when override enabled

UE - Rendering - Materials - Feb 5, 2021

This only seems to happen when the vector parameter is expanded, not when it's collapsed. Collapsing and re-expanding the parameter seems to clear the issue as well. The material seems to use the o ...