C++ REST SDK 1.2.0 has been released on CodePlex. This version of the C++ REST SDK includes the following: 

• Support for HTTPS for the Linux version of the library
• Client side features for Windows XP 
• Performance improvements, especially JSON parsing
• Ability for side-by-side installation with v1.1.0
• As always, bug fixes

For more information about this release and to view the sources, visit the project site at http://casablanca.codeplex.com.