We've been expecting Mac OS X 10.6.2 for a while now, especially since Apple initially said that the new Magic Mouse would require it, but it has just arrived.
Alongside the OS update for Snow Leopard users, Security Update 2009-006 is out for users of Leopard. Use Software Update to make sure that you get the right update for your computer.
Bug fixes are reported for AFP Client, Adaptive Firewall, Apache (2), Apache Portable Runtime, ATS, Certificate Assistant, CoreGraphics, CoreMedia (2), CUPS, Dictionary, DirectoryService, Disk Images, Dovecot, Event Monitor, fetchmail, file, FTP Server, Help Viewer, ImageIO, International Components for Unicode, IOKit, IPSec, Kernel, Launch Services, libsecurity, libxml, Login Window, OpenLDAP (2), OpenSSH, PHP, QuickDraw Manager, QuickLook, QuickTime (4), FreeRADIUS, Screen Sharing, Spotlight, and Subversion.
No word on any new features or enhancements yet. Stay tuned.
Here's the update list from Apple via Software Update:
The 10.6.2 Update is recommended for all users running Mac OS X Snow Leopard and includes general operating system fixes that enhance the stability, compatibility, and security of your Mac, including fixes for:
an issue that might cause your system to logout unexpectedly
a graphics distortion in Safari Top Sites
Spotlight search results not showing Exchange contacts
a problem that prevented authenticating as an administrative user
issues when using NTFS and WebDAV file servers
the reliability of menu extras
an issue with the 4-finger swipe gesture
an issue that causes Mail to quit unexpectedly when setting up an Exchange server
Address Book becoming unresponsive when editing
a problem adding images to contacts in Address Book
an issue that prevented opening files downloaded from the Internet
Safari plug-in reliability
general reliability improvements for iWork, iLife, Aperture, Final Cut Studio, MobileMe, and iDisk