The Blender Foundation released the 2.73 version of Blender a few days ago and it's now available on SheepIt render farm.
Look at the release announcement:
The Blender Foundation and the online developer community are proud to present Blender 2.74, released Mar 31 2015!
Cycles got several precision, noise, speed, memory improvements, new Pointiness attribute.
Viewport has new cool compositing features, outliner now manages orphan datablocks better.
Modeling now allows custom normals, and transferring data layers between meshes!
Massive improvements to hair dynamics and editing tools: a big step forward with more to come...
A new tool “Cavity Mask” was added to sculpting/painting, along with other improvements.
Great memory consumption optimization in Freestyle NPR stroke rendering.
Grease pencil and Game engine improvements, and more...
There is some great improvements, for SheepIt-renderfarm, the most visible will support of gpu Nvidia GeForce 9xx serie.
Presently, SheepIt-renderfarm supports Blender 2.65a, 2.66a, 2.67b, 2.68a, 2.69, 2.70a, 2.71, 2.72b and now 2.73.You can see all binaries available on this page: binaries.
Edit: 2015-01-27, 2.73a has beed added
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