The Maxwell Render Suite software package provides a complete solution for those who want maximum image quality and full control of the Maxwell Render™ technology. The technology behind Maxwell Render™ enables users to create materials, set lights and cameras, and render 3D scenes, all in a stunningly realistic and intuitive way, resulting in images that are indistinguishable from photographs. Maxwell Render Suite 2.6.10 brings many improvements e.g. improved Subsurface scattering, added camera multi step motionblur or speed optimization in some render channels.
This update also fixes many bugs like problems rendering at very high resolutions or problem with paths in Linux. For full list of changes follow the link below.
Source: Maxwell Render