Unreal Engine Issues

Import FBX Camera with 90 degree rotation

The FBX Import into Sequencer currently assumes that the camera has a rotation axis of 0, -90, 0. This assumption shouldn't be there. For example, currently this works: 1) From Sequencer, export a ...

Failure to save after reimport when datasmith actors were moved to sublevel

Notice that when you create the sublevel the Cylinder get removed from its parent; and that after reimport, it gets moved back. Not reproducible with Import Datasmith ...

FBX export - BP StaticMesh Scales from Mesh Origin

Unexpected behaviour with meshes scaled via BP and exported via .fbx (.obj looks to function as expected) Confirmed in 4.22 Main CL 4648854 ...

FBX Scene Import duplicates assets within scene

While importing scenes, assets within the scene get duplicated. ...

Material is not replaced by default material after .udatasmith file reimport.

Incorrect Material Element Indexes When Importing Multiple Meshes In The Same FBX

Incorrect material element indexes when importing multiple meshes in the same FBX. If you re-import the mesh that has the incorrect material element index it will correct itself. Seems similar to [ ...

Support for import/reimport of mesh LODs is unavailable in Blueprint and python

The missing API prevent clients to do good scripted import pipeline tools. there is two UDN thread that can be solve by this JIRA https://udn.unrealengine.com/questions/566538/how-to-add-a-custom- ...

Reimporting skeletal mesh clears material references from material slots

This occurs in //UE4/Release-4.15, //UE4/Dev-Editor, and //UE4/Main Does not occur in 4.14.3 ...

Error when exporting large model to FBX binary

It's happening when exported models have over 150 million triangles. Project: [Link Removed]  Note: Reported in the Elite Slack channel. ...

[Alias] Reimport of a StaticMesh failed

The user suggest to add the option "Only New Meshes" ...