New features:
(*) V-Ray: Add light path expressions support through mode of VRayLightSelect;
(*) V-Ray: Add RGB primaries override for VRayBitmap option in the Color management;
(*) V-Ray: Implement blue-noise optimization for the DMC sampler;
(*) V-Ray GPU: Support for Environment and Self Illumination contribution for VRayLightSelect;
(*) VRayNormalMap: Add Map rotation parameter;
(*) VRayPhysicalCamera: Add EV parameter;
(*) VRayProxy: Support common particle interface (IParticleObjExt) for Alembic that can be used with VRayInstancer and Phoenix FD;
(*) VRaySun: Implement "Improved" Sky model;
(*) VRayVolumeGrid: Velocity streamline preview;
(*) VFB2: Background color correction;
(*) VFB2: Filmic tonemap color correction;
(*) VFB2: Image search in the History based on the saved scene name and note text;
(*) VFB2: Solo button Alt+mouse click enables only one light and toggles all the rest in LightMix;
(*) VFB2: Special element "Rest" in LightMix that includes everything not in the other elements;
(*) VFB2: Support for rendering without a memory frame buffer;
(*) VFB2: Undo for Layers actions;
(*) .vrscene exporter: Add option to export only selected nodes;
(*) V-Ray scene converter: Implement a converter for Physical Material to VRayMtl;

Modified features:
(*) V-Ray: Remove some old stale options from the Global switches;
(*) V-Ray: Remove the Use local subdivs from Global DMC along with the subdivs parameter of Brute force GI, materials and lights that was dependent on it;
(*) V-Ray: Simplify the Color mapping options;
(*) V-Ray: Simplify the Light cache options;
(*) V-Ray GPU: Add support for VRayUVWRandomizer stochastic tiling options;
(*) V-Ray GPU: Optimize memory footprint for motion blurred geometry both on CPU and GPU;
(*) V-Ray GPU: Skip degenerate faces when serializing the Embree tree;
(*) V-Ray GPU: Support for matte objects through VRayObjectProperties;
(*) V-Ray GPU: Support for VRayCarPaintMtl2 and VRayFlakesMtl2;
(*) VRayALSurfaceMtl: Prevent values for the SSS radius parameters that cause artifacts;
(*) VRayMtl: Add a "Default" preset;
(*) VRayMtl: Use GGX shadowing for all NDF-based BRDFs;
(*) VRayVolumeGrid: Speed up and use less memory for blending frames having Grid Velocity with Time Bend controls;
(*) VFB2: Bucket outline improvements;
(*) VFB2: Enable the denoiser for history and loaded images;
(*) VFB2: Various usability improvements;
(*) VFB2/VFB: Render button to execute Render command instead of Render Last;
(*) VFB: Use all supported formats as default filter for loading image;