Blender 2.71 was released today for those using this flagship, open-source 3D modeling software.
Blender 2.71 has improvements to Cycles Rendering, animation enhancements, modelling improvements, new features for sculpting/painting, freestyle NPR rendering, UI enhancements, and much more. On the Cycles Rendering front is support for rendering volume textures, fire and smoke, deformation motion blur, and other materials.
Details on the Blender 2.71 new features can be found via the Blender.org Wiki
. The open-source software can be downloaded at Blender.org