AMD has announced a new version of the free, physically accurate GPU renderer Radeon ProRender 3.3 which is available for Maya and Blender users. It now supports fog and Heterogenous Volume rendering. The Maya version also has the option of exporting deepEXR for compositing and support for the Voronoi Texture node. In addition, there’s a long list of bug fixes that can be found here. To download Radeon ProRender 3.3, visit this page.