4.0.0.18 Release Notes

Linux supported.
OSX supported; (check this page for having a reference)
Improved emitter sampling and triangle artifact solved.
Fixed crash with emitters and instances with motion blur.
Fixed Stack overflow on high-depth voxelizations.
Fixed clipmaps issues.
Improved BVH copy to GPU.
Fixed memory crash with disabled BSDFs.
Fixed crash when a coating is on a non active BSDF or when having a material with mixed active and non active BSDFs.
Fixed Z channel through clipmaps. Normals channel has bad values in areas with no geometry.
Fixed crash using default material in nogui mode.
Fixed crash in scenes with no emitters (i.e. sky dome).

Fixed MXI batch processing is exporting channels when user unchecks the option to export them (in some cases).
Fixed RGB numeric values displayed under mouse pointer (bottom status bar) have not gamma applied for bit-depth 8 and 16.
Fixed switching from GPU engine, channels does not work on RS1.
Software opengl DLL added to Windows installers. needed in some cases for old GPUs or remote desktops to show viewport.
Fixed HDR sky changed to physical sky if using ortho lens, and emitters not reflecting on other objects.

Fixed layer transparency values updated wrong in interactive mode (GPU).
In scenes in which the paths need a high number of bounces now it can be solved withouth affecting performance (GPU).
Fixed load of asset references.