Unreal Engine Issues

Datasmith doesn't import specific IFC files correctly

datasmithAreaLightActor cannot be changed in editor

Assertion failed: (Index >= 0) & (Index < ArrayNum) when importing large Alembic file

Regression testing done on //UE4/Release-4.27.2 CL-18427296 and this issue did occur. [Link Removed] [Link Removed] Below is snips of customers description and proposed workaround:Importing alembi ...

Datasmith incorrectly imports 3Dxml files

Datasmith incorrectly imports 3Dxml files. In 4.27 and Early Access 2 the file imports correctly. ...

C4D import, missing materials

cf. https://forums.unrealengine.com/t/texture-problem-with-c4d-import-datasmith/272840 ...

udatasmith runtime import does not work properly

The udatasmith is created through the unofficial blender exporter that seems to still be using SDK 4.24E0 ...

Runtime import, does not generate proper materials

The models are darker than the one loaded directly in editor Left runtime, right editor [Image Removed][Image Removed] [Image Removed][Image Removed] You can find some details here from a udat ...

Datasmith gltf importer does not read framerate from the file

I'm importing glb or gltf files via the data prep tools but I can't find an option to set the animation fps. It defaults to 30 fps. (it doesn't matter which fps my exported animation has) Is there ...

USD Material variant selection is not reflected on mesh

The material is expected to change from red to green. ...

Datasmith Metadata returned as empty array on Python Import

Metadata information seems to not be available on import. A user has reported that this was working before but I was able to reproduce the issue in //UE4/Release-4.24 cl 11590370 I am currently lis ...