Fixed ordering of GAFFER_STARTUP_PATHS, so that custom scripts can override Gaffer’s built in configuration files (#1752).
Added support for modifying multiple sets with a single node, by entering multiple names separated by spaces (#1748).
ArnoldRender node now uses the same backend as the InteractiveArnoldRender node. Rendering is now performed directly in Gaffer rather than using a procedural (#1755).
ArnoldShader ( #1758)
Added support for BYTE and UINT input parameters and VECTOR and POINT output types.
Added support for crop windows, overscan and resolution multipliers (#1744).
Fixed compilation of GafferAppleseed with GCC 5 (#1757).
Made IECoreScenePreview private.
ArnoldRender node no longer has a verbosity plug.
Changed default orientation of environment light visualiser.