Update 2.1 for Civil 3D 2012 has just been released and is available for download here: http://usa.autodesk.com/getdoc/id=DL20310611 For details of these changes please refer to the README.
In a continuing effort to provide high quality products, Autodesk has released AutoCAD Civil 3D 2012 Service Pack 2.1, which fixes or addresses a variety of issues discovered by customers and by Autodesk's internal testing team.
This Service Pack includes all previous hotfixes and service packs for AutoCAD Civil 3D 2012. It also includes the fixes included in AutoCAD 2012 Service Pack 2 and AutoCAD Map 3D 2012 Service Pack 2.
Note: This update applies to all language versions and to versions of AutoCAD Civil 3D 2012 with previous hotfixes applied.
Have a great weekend!!