Emgu CV 188.8.131.520 is based on OpenCV 2.2 branch, rev.4351. This version contains various bug fixes and improvements over v2.1. It also contains support for Visual Studio 2010.
For a detail change log please visit http://www.emgu.com/wiki/index.php/Version_History#Emgu.CV-184.108.40.206
Please note that on windows, the included OpenCV 2.2 dlls are built with VS 2010 and they have a dependency on MSVCRT 10.0. Our windows installer automatically install this for you. If you are using the windows .zip package, you will have have to manually install MSVCRT 10.0 prior to using Emgu CV 220.127.116.11.
The Emgu CV discussion forum is available at http://www.emgu.com/forum/
Please report bugs to http://www.emgu.com/bugs