0.97.5 (version)

0.97.5 - 09/25/2016

 * 1) Fog Scattering: can scatter all types of lights (Sun/Sky/Area)
 * 2) *Only works in Pers/Free camera modes
 * 3) *Works for glass/metal materials (can get reflection/refraction from sun light)
 * 4) *Surface can also be lit by scattered light
 * 5) *Can create light shafts
 * 6) *Can create background with small fog density
 * 7) *Fog color mainly depends on light color and in-scattering color
 * 8) Ground is changed to infinity large in all camera modes
 * 9) Optimized shaders by removing unused branches

Source
Update log of official website.