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...| Read more »