What’s new in 14 January 2014 BIM 360 Glue update:

  • Sign in performance improvements
  • Stability improvements – fixed crashing issues under certain circumstances during sign in, merging models, and model interaction
  • Updated messaging when a model is parsing
  • Other usability and quality improvements

via
http://help.autodesk.com/view/BIM360/ENU/?guid=GUID-431B5D3D-A4E2-472C-9435-CEBD2DF28172

Heads-up, including advice about .NET update:
http://blogs.rand.com/architectural/2014/01/the-first-glue-update-of-2014-comes-with-homework.html