Unreal Engine Issues

[Datasmith] [Sketchup] Material maps wrong when using colors or applying materials directly to grouped object

The problem occurs when a material gets added to a group inside sketchup directly instead of individual faces before grouping. The materials that are just colors are doing the same thing. This was ...

3DS Max 2019 asset has incorrect object position and rotation when imported in Datasmith

When this asset is imported into 4.22.1(4.22E0) it has incorrect object position and rotation. In 4.21.2 (4.21E3) the asset has the correct object position and rotation. ...

Animated Camera from 3ds Max flips in Unreal

Revit linked model exported with section box is missing objects from curtain wall.

Datasmith & mikktspace tangent cause entities to glow with lightmaps

The steps above are reduced to their simplest expression.  I appears that several customers complained about lightmap baking resulting in glowing objects.  This typically happens on interior door fr ...

Datasmith re-import crash - UE4Editor-UnrealEd!UMaterialInstanceConstantFactoryNew::FactoryCreateNew

From user:I'm getting repeatable crashes on re-imports after I've re-worked the models a bit in Max. The workaround now is to just delete everything from Unreal and do a fresh import, but as my o ...

Unreal crashes with an Fatal Error: Out of memory message.

Object using specific Corona Material Import by default with wrong UVs

Objects with centered pivots become Actors instead of StaticMeshActors when imported via Datasmith

When selecting "affect pivot only" and choosing "center pivot" on 56 objects in 3DS Max 2019, 4 of them imported into Datasmith as Actors and not StaticMeshActors. This makes it seemingly impossible ...

Fatal error importing via Datasmith (memory allocation)

Trying to import a large Revit asset using Datasmith causes the system to use all of it's memory. Certain systems may receive a memory allocation error in the process. ...