Unreal Engine Issues
Unreal Engine Issues
Camera Animation imported through Sequencer with FBX sometimes loses rotation fidelity
UE - Anim - Sequencer - Feb 28, 2025FBX attached[Link Removed] ...
Static Meshes that are reimported with less materials can lead to map check errors on instances that had overriden materials that require manual cleanup
UE - Rendering Architecture - Feb 5, 2025StaticMeshActors placed in the world can override the default materials of a static mesh. If the static mesh is then reimported with less materials, the actors maintain references to unused material ...
Skeleton retarget settings are lost when importing/reimporting a mesh with bone hierarchy changes
UE - Editor - Content Pipeline - Import and Export - Sep 30, 2025Importing a mesh that changes the hierarchy of a related skeleton causes the animation retarget settings on the skeleton to be lost. This is because in UInterchangeSkeletalMeshFactory::EndImportAss ...
[Interchange][Fbx] Collision is not applied on mesh in subhierarchy that has same name
UE - Editor - Content Pipeline - Import and Export - Jan 21, 2025Reported here [Link Removed] and maybe here too [Link Removed] ...
Discrepancy in FBX import on animations
UE - Editor - Content Pipeline - FBX - Mar 19, 2025In the attached screenshots, the following Animation Sequence assets are wrong: * FX_WST050_pSphereB1_TS_AnimFX_WST050_pSphereC1_TRS_AnimFX_WST050_pSphereC1_TRS_AnimFX_WST050_pSphereD_TR_Anim If yo ...
[Interchange] FBX - Front Facing X-Axis and Flipped Bone Orientation During Animation
UE - Anim - Runtime - Oct 15, 2025Actors attached to a skeleton imported through a FBX file with the Front Facing X-Axis option enabled are flipped when the skeleton is animated. ...
[Interchange][FBX] Import model with custom collision prevents socket to be imported
UE - Editor - Content Pipeline - Import and Export - Feb 5, 2025I would like parity with legacy: 1) only one material 2) socket to be imported Box_Socket file imports same in legacy and interchange: it is just box and socket without collision. ...
[Feature Request] Artists want "importing fbx chunks" functionality back in chaos fracture.
UE - Simulation - Visual - Jun 11, 2021Some artist customers want a tool to customize fractured mesh in chaos fracture just like the functionality "import fbx chunks" in APEX destruction, that could give them more controllability of the ...
[Mootools Bug] SKP Import - Applied texture maps from previous Twinmotion versions are lost after reimport in TM 2025.1.1
TM - Interoperability - May 8, 2025Reported in SF [Link Removed] For SKP imports that were added to a file in a previous version of Twinmotion, when the .tm file is concerted to and opened in TM 2025.1.1, if the SKP model is re-impo ...
Volumes with infinite or missing faces when importing .fbx file
UE - Graphics Tools - Modeling Tools - BSP - Sep 16, 2024UDN Description: We are having issues with the "Create Blocking Volume" tool on StaticMeshActors. When we create a convex blocking volume (any convex, rough or heavy), we often have volumes that ha ...