updated 09:05 am EST, Thu January 7, 2010
Provides over 220 corrections
Apple today began large-scale testing of its next maintenance and security update for Snow Leopard, Mac OS X 10.6.3. 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.
The build is labeled 10D522, and approximately 665.7MB in size. Some specific improvements include better automatic spelling correction, and fixes for crashes that can occur while printing or using components like AppKit, iCal, Mail, and Photo Booth.
Apple has already noted four known issues with 10D522, involving iTunes freezes, and problems with updating applications, viewing Display preferences or navigating the ColorSync Utility Filters tab.