Unreal Engine Issues

Crash when trying to export unsupported Paragon Skeletal Mesh asset in 4.23

When the user tries to export the Skeletal Mesh of TwinBlast (a paragon character that can be purchased off the marketplace) in 4.23. As of the time of logging this bug it is not supported in 4.23, ...

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

Crash on opening a pose asset after reloading a skeletalMesh with bone name changes

Opening an old pose asset can crash the editor if the skeleton it uses gets updated. ...

Engine does not handle in-between blendshapes

Engine does not handle in-between blendshapes ...

UV Layout Changes on export from Engine to Maya and Max

The UV layout of a Mesh is altered slightly when exported from the engine. It becomes more noticeable on objects as their UV Islands shrink in size. Given a default full 0-1 unwrap it looks like t ...

OBJ file imports with wrong scale and orientation.

I've also attached an FBX of the same mesh for reference. [Link Removed] [Image Removed] ...

Crash when importing skeletal mesh with no material

Incorrect normal calculation when rotating a ProceduralMeshComponent

Issue happens on meshes loaded from FBX and used to create a ProceduralMeshComponent with CreateMeshSection_LinearColor function ...

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 ...

Specular errors rendering in Highlight

On certain assets, specular element is showing lines on an asset. [Image Removed] I have attached a Maya and FBX file of an asset which demonstrates this issue. ...