Unreal Engine Issues
Unreal Engine Issues
Open Formats: Interchange - UCX Convex Hull Import Bug
UE - Editor - Open File Formats - May 25, 2026When importing custom UCX collision meshes from FBX files into Unreal Engine, certain geometry profiles fail to generate correctly if the option "One Convex Hull Per UCX" is unchecked. The engine's ...
Open Formats: Interchange Runtime - Interchange ImportAssetAsync runtime GLB import — materials, textures, tangents, and shaders non-functional in packaged builds (6 issues, UE 5.7.4)
UE - Editor - Open File Formats - Apr 30, 2026Description* We are using Interchange's `UInterchangeManager::ImportAssetAsync()` to import GLB files at runtime in a packaged (Shipping) application. The orchestration layer (`ImportInternal` in `In ...
Open Formats: Import PIE - Importing static mesh while a PIE session is running permanently breaks nanite on the asset
UE - Editor - Open File Formats - Mar 12, 2025Importing a Static Mesh during PIE can cause it to never enable Nanite, even if it reports that Nanite is enabled. To re-enable Nanite on the mesh, the asset needs to be deleted and imported again ...