Apple has released Mac OS X 10.6.5. You can obtain it via the Software Updates component of the Mac OS X System Preferences app. According to Apple, the update:

° Improves reliability with Microsoft Exchange servers.

° Addresses performance of some image-processing operations in iPhoto and Aperture.

° Addresses stability and performance of graphics applications and games.

° Resolves a delay between print jobs.

° Addresses a printing issue for some HP printers connected to an AirPort Extreme.

° Resolves an issue when dragging contacts from Address Book to iCal.

° Addresses an issue in which dragging an item from a stack causes the Dock to not automatically hide.

° Resolves an issue in which Wikipedia information may not display correctly in Dictionary.

° Improves performance of MainStage on certain Macs.

° Resolves spacing issues with OpenType fonts.

° Improves reliability with some Bluetooth braille displays.

° Resolves a VoiceOver issue when browsing some websites with Safari 5.

° Improves Bluetooth pairing with Magic Trackpad.

° Resolves performance issues with third-party displays that use InstaPort technology.

° Adds SL support for transferring files with iDisk.

° Resolves an issue when opening 4-up Photo Booth pictures in Preview.

° Addresses keyboard responsiveness issues in the Dock when Spaces is turned on.

° Resolves an issue syncing Address Book with Google.

° Fixes an issue when replying to a Mail message sent by a person whose name contains certain characters such as é or ü.

° Improves performance for users bound to an Active Directory domain.

° Improves reliability of Ethernet connections.

° Systems with a Mac Pro RAID Card (Early 2009) installed can now be put to sleep. For more information, see Mac Pro RAID Card (Early 2009): Enabling system sleep.

° Improves reliability of fibre channel connections, resolving a potential Xsan volume availability issue.

° Adds RAW image compatibility for additional digital cameras.

° Security improvements.

This update also includes the improvements found in the Mac OS X v10.6.1, 10.6.2, 10.6.3, and 10.6.4 updates.