Unreal Engine Issues

Crash reimporting Geometry Cache with Per X Frames

Crash occurs when the user reimports a geometry cache asset and changes the Sampling Type to Per X Frames. This seems to only occur if Frame Start is set to a value other than 0. ...

Mismatching Between Visual and Collision of Destructible Mesh Using Import FBX Chunk

When you use "import FBX chunk" function of destructible, Mismatching between visual and collision occur. ...

FBX imported skeletal mesh has incorrect axis directions

The axis the FBX is imported with has been inversed from prior versions. See attached screenshots. This causes issues specifically with vehicles, where the movement is happening into the forward dir ...

Shadow Color Not Updated After Light Build When a Texture is Changed and Reimported

Creating a material using a texture (say, blue) and then changing the source file on the texture and reimporting will not update the shadow color after building lighting. Making changes to the mate ...

Fbx Exporter: If 2 sections use the same material, one section will have a wrong material in the fbx.

Uniform Scale has no effect on .fbx's imported with "Transform Vertex to Absolute" unchecked

Uniform Scale has no effect on .fbx's imported with "Transform Vertex to Absolute" unchecked. NOTE: This was tested with assets from both 3DS Max and Blender. Regression (no) issue (does) occur ...

FBX Import flips faces of mesh on Import for static meshes

User is reporting that this is happening with some, but not all meshes. I didn't see anything out of the ordinary when looking at the asset in 3Ds Max, and the asset will import correctly into 4.10. ...

Crash occurs when importing attached FBX with default import settings

While verifying a bug for 4.15 UE-39952 , I tried to repro in 4.14.2 and the editor crashed while attempting to import the attached FBX In 4.15, the Editor does NOT crash a window pops up stating t ...

Reimporting static mesh with static mesh editor window open will cause crash

When generating a collision box for a static mesh and reimporting the mesh with the static mesh editor window open will result in a crash. [Link Removed] ...

If Mesh is Reimported When Clothing Data is Applied Clothing Data Can No Longer be Edited

Clothing data can not be applied after the mesh that had clothing data already applied to it has been reimported Error message "Failed to bind clothing asset "nameofmesh"_0LOD1 is already mapped t ...