- Create a new scene
- Export to Datasmith file
- Delete the objects in the scene
- Import the exported Datasmith file
The most obvious difference is the change in roughness. The exported material had a roughness value of 50 while the imported one has the roughness set to 100. Other properties like metalness are also impacted by this.
Import works as expected in 2023.1.2. We have the same issues when using our live link.