Unreal Engine Issues

Crash when importing some .skp files on MacOS

Artifacts in imported GLB and GLTF files

Reported in SF [Link Removed] Client reports that many of their GLB and GLTF files they use appear with visual artifacts when imported to Twinmotion. These artifacts only appear in Twinmotion and n ...

Clay Render mode is not working with Modeling tools/Faces.

[Image Removed] The Clay material is quite useful when the user needs to manipulate objects that originally has transparent materials, so not being able to use this feature on faces mode feels li ...

Crash when undoing after creating keyframe in orbit camera.

SKP Import - Materials for certain groups appear black in Path Tracer when using Keep Hierarchy

Reported by a client in SF [Link Removed] When importing SKP files using the Keep Hierarchy collapse mode, some imported objects in Groups inside SketchUp will appear black in Path Tracer. Appears ...

Crash using a bitmap in a material

see repro steps: direct crash the material comes from FAB model:  [Link Removed] ...

Missing vegetation created via PCG on export

If you compare this 2 automation tests done on Swiss chalet project, you could see that some parts of vegetation are missing : [Link Removed] [Link Removed] The diff between the 2 exports is caus ...

Crash after multiple undo-redo of paths' creation.

Open street map building don't cast shadows in raster mode

Reproducible with cascaded and virtual shadow maps. Seems to be a regression from 2024.1.2. All TM 2025.x version have this issue. [Image Removed] ...

SDF/Mesh Cards do not follow material settings applied on static meshes.

Building SDF and Mesh Cards require material properties (2 sided and blend mode) applied on Static Mesh to be known at Static Mesh build time. If not, it may leads to rendering artifacts: Reflectio ...