The key feature in Redshift 3.0.46 is the new colour management pipeline, described in this forum thread (you will need to be logged in to the Redshift forum to view it). New colour-management system based on OCIO 2 with support for the ACEScg colour space The update introduces a new colour-management workflow based around the OpenColorIO 2 (OCIO 2) open standard, making it much easier to set up ACES-compliant rendering pipelines for VFX work. Maxon has released Redshift 3.0.46, the latest version of its GPU production renderer for DCC applications including 3ds Max, Blender, Cinema 4D, Houdini and Maya.