http://www.macnn.com/articles/13/02/14/once.again.no.major.code.changes.noted/
Eleventh revision of OS X 10.8.3 released to developers
updated 06:45 pm EST, Thu February 14, 2013
",
0, 0);
Once again, no major code changes noted
Apple is distributing an eleventh beta of OS X 10.8.3 to developers, listed as build 12D65. As with the tenth release, there appear to be no significant code changes or feature changes other than some bug fixes. Apple is also asking developers to once again test the same components as before, including AirPlay, AirPort, Game Center, graphics drivers, and Safari.
The release of the eleventh beta of makes it the most changed version of a OSX yet. The second most updated revision was 10.7.2 with seven releases to developers. Apple has provided no specific information on changes in the update.
