The 2.7.0 Q1 2016 release of InstantReality focuses on tool chain as well as service platform updates and improvements.
It features tool chain improvements for aopt (for example inital binaryGLTFVersion support, bundled export with all resources) and an all new improved version of MOPS (0.5.0, featuring, in particular, guaranteed bijective UV parameterization and improved mesh segmentation).
You can see additional details in the Changelog.
Get the new builds here:
http://www.instantreality.org/downloads/
If you are interested in other platforms, feel free to browse the Dailybuild archives:
http://www.instantreality.org/downloads/dailybuild/