Avid have released v3.1.2 of the Eucon software that control surfaces like the Artist Series to the Avid S6 use to integrate with Pro Tools.  Avid are saying very little about the upgrades

EuControl Software Package Version 3.1.2 for Mac OS X 

• Software installer that provides significant performance improvements.
• Intel Macs running OSX 10.8 and higher. 

EuControl Software Package Version 3.1.2 for Windows 64-bit only

• Software installer that provides significant performance improvements.
• 1 GHz or faster 64-bit (x64) processor running 64-bit Windows 7 Home Premium, Professional, or Ultimate and higher. 

If you have installed it, what improvements are you noticing? Do let us know.