Arnold Renderer : Improved performance when instancing large numbers of objects. A benchmark with 1 million instances shows a 25% reduction in scene generation time.
Encapsulate : Fixed bugs in shader/attribute inheritance when rendering in Arnold (#3559).
Arnold Renderer :
Fixed OSLShader connections between color components.
Fixed hangs when instancing the output of an Encapsulate node.
CropWindowTool : Fixed error handling bugs.
ImageReader : Fixed bug which caused fileName to be evaluated in unnecessary contexts.