0.99.4a (version)

0.99.4 - May 29th, 2019

 * 1) Renderer
 * : Media material which supports multiple scattering inside volume.
 * : Multiple Importance Sampling (MIS) for GGX surfaces (Metal/Plastic/Glass) for better reflection.
 * : Tranlsucent Shadow which allows light passing though glass and cloud voxels. Only  can affect the light color.
 * 1) *can adjust  path depths separately.
 * 2) *can assign glass/cloud materials to sphere/cylinder shape voxels (for experiments only).
 * 3) *the renderer pipeline is refactored, which needs more time to improve, optimize and fix bugs.
 * 4) *some features such as fog scattering requires more researches.
 * 5) *frame drops and noises are expected.

Source
Update log of the official github page.