Operating system: Windows 10
Graphics card: GeForce RTX 2070
Blender v2.80 and Blender v2.81 Beta Date: 2019-11-13 16:25 Hash: 9bd0d8b5505a
Short description of error
The scene was created with blender 2.8. After opening in Blender 2.81, the rendering is not same :
Indeed, Blender added new nodes in the material. It's strange, for this reason I preferred to report it.
Exact steps for others to reproduce the error
Open this blend file with Blender 2.8 and after in Blender 2.81: