Unreal Engine Issues

SkeletalMesh import do not add and assign LOD only material

The skeletal mesh importer do not add and assign material for the LOD when we import them in the same file has the base LOD. ...

Importing a Binary version of an FBX with the option Use T0As Ref Pose enabled will cause deformations of the mesh

When importing a binary FBX with the option Use T0As Ref Pose enable it appears that some models will be slightly deformed (see attached image). ...

Geometry Cache crashing when loading async in a cooked build

Geometry cahces check if they are in the game thread, which causes a crash when their packages are async loaded in a cooked build. ...

Fbx re-import material issue on LOD 1 and more

When the material order of embedded fbx LOD change differently in LOD 0 and LOD 1, the LOD 1 is wrongly assign when re-importing. ...

Maya Shotgun turntable generation not compatible with Unreal 4.22

Animation import with "Force Front X Axis" is broken until a re-import

Importing through Python doesn't allow the user to set the import options.

The attached script should import the provided Alembic cache but the import options specified in the script are not passed to the importer resulting in improper data. ...

StaticMesh Lod Sections use wrong materials after cleaning DDC and regerated from RawMesh

MDL imported from Substance Source with Datasmith causes a crash

MDL downloaded from Substance Source causes a crash. This is reported on UDN by an Enterprise customer: https://udn.unrealengine.com/questions/487598/why-would-ue4-is-always-crashing-when-import ...

New animations not added when making changes to FBX files from blender

When adding new animations to a blender fbx file (via the new actions feature) the editor does not appear to add the new animations to the content browser when changes are imported. ...