Please see the Official OpenCV change list.

1.2.5 (10-25-2010)

opencv2:

• Fix for #4420: patch so Python does not link against libs in build/

1.2.4 (2010-08-27)

• Corrected SVN URL in manifest.xml.
• Added dep to libdc1394-dev

1.2.3 (2010-06-04)

• C++ CvBridge fix for mono16, #4142

1.2.2 (2010-05-28)

• c-turtle release candidate.

1.2.1 (2010-05-22)

• Fixed exports for cpp dependencies.

1.2.0 (2010-05-21)

• Updated to OpenCV rev 3090, new flann patch.
• Added a patch for OpenCV's FLANN (namespace renaming), to avoid compilation issues for code that uses both OpenCV and FLANN 1.5 externally.