“The update originally entered limited testing in early December. In total the present build incorporates 221 code corrections to 92 system components, including Mail, MobileMe, iCal and QuickTime X,” MacNN reports.
“The build is labeled 10D522, and approximately 665.7MB in size,” MacNN reports.
Full article here.
See the list of changes in 10D522 here.
[Thanks to MacDailyNews Reader “Lynn W.” for the heads up.]