Apple released an update to Snow Leopard this week. The update includes important fixes.

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
* an issue that caused data to be deleted when using a guest account

For detailed information on this update, please visit this website:http://support.apple.com/kb/HT3874.
For information on the security content of this update, please visit: http://support.apple.com/kb/HT1222.

Apple Also released a security update.

About Security Update 2009-006 Client
Security Update 2009-006 is recommended for all users and improves the security of Mac OS X. Previous security updates have been incorporated into this security update.

Source: Apple.com 10.6.2 Combo Update
Source: Apple.com Security Update Client

Apple Just released a new Security Update “Security Update 2008-07″ that can be downloaded from software update under the apple logo pull down menu from your mac : 

Security Update 2008-007 is recommended for all users and improves the security of Mac OS X. Previous security updates have been incorporated into this security update.

For information on the security content of this update, please visit this website:http://support.apple.com/kb/HT1222.

Source : Apple.com

Apple has also released the Apple TV 2.2 update tonight. Apple TV owners can download the new updates from their Apple TV’s by accessing the “Update Software” menu option in their Apple TV’s settings. 

Aside from addressing some security issues, Apple has also included support for features introduced in iTunes 8.0, including Genius playlists. Features discovered by our forum members include:

- Music Video playlists
- Genius playlists
- On-the-Go Playlists
- Standby Option
- HD TV Show Playback and Purchase