Simplygon API 
We have done a lot of updates since Simplygon 7 but here a couple of important changes.
Enum 
All methods are now accepting and returning enums instead of uints.
Aggregation 
Two new settings objects added to the aggregation processor, GeometryCullingSettings, VertexWeightSettings.
Reduction 
Vertex weight settings are now in a separate settings object VertexWeightSettings
Remeshing 
Remeshing processor is now called RemeshingLegacyProcessor.
 RemeshingSettings is now called RemeshingLegacySettings.
The GeometryCullingSettings settings object added.
ShadowMeshProcessor 
ShadowMeshProcessor is retired and removed.
Material casting 
VertexColorBaker is replaced by the VertexColorCaster.
 Simplygon 10.4.132.0
Simplygon 10.4.132.0