It should be binary compatible with OpenCV 2.4.1 (except for the face recognizer from contrib module) and therefore it is a sincerely recommended upgrade.
OpenCV Hits Five Million!
Today OpenCV crosses important milestone: five million downloads!
OpenCV v2.4 released
After the long 9 months since 2.3.1 release, but just after a few weeks since 2.4 beta, we are happy to announce the release of OpenCV v2.4.0, the latest and the greatest version of the library!
OpenCV has migrated to a new development site
We are glad to present our new development site.