0.97.4 (version)

0.97.4 - 07/05/2016

 * 1) New Emissive Area Lighting
 * : Radiant Flux for Area Lighting
 * : Energy loss on closer surface
 * : Total power for all voxels or power density
 * 1) Hints:
 * 2) *Requires   option enabled for advanced effects
 * 3) *Only supports Cubic/RG/RE voxel shape
 * 4) *For small but strong light source (e.g. point lights), use
 * 5) *It is recommended to use lower image resolution (e.g.  ) when adjusting parameters
 * 6) *For better quality of final image, use more samples (e.g.  )
 * 7) *Not very robust for this version (has several potential artifacts)
 * 8) *If it is still too dark, do not forget to use   to increase exposure
 * 9) Fix several artifacts for   material

Source
Update log of official website.