Apple has released Mac OS X 10.7.3. You can update through the normal Software Update function of Mac OS X, or manually through the link below.
Apple’s Safari 5.1.3 is also included in the update. At this time Mac OS X 10.6 Snow Leopard does not include Apple Safari 5.1.3 – it is still at 5.1.2.
This update is recommended for all users, and improves compatibility with Windows file sharing, fixes graphic performance issues on some iMacs, resolves a Wi-Fi issue, as well as addressing other issues. The digital camera compatibility (RAW) functionality has been expanded to additional cameras.
Changes/Updates in Mac OS X 10.7.3
* Add Catalan, Croatian, Greek, Hebrew, Romanian, Slovak, Thai, and Ukrainian language support
* Address issues when using smart cards to log into OS X
* Address compatibility issues with Microsoft Windows file sharing
* Address an issue printing Microsoft Word documents that use markup
* Address a graphics performance issue after sleep on some earlier iMacs that use ATI graphics
* Resolve a Wi-Fi connection issue when waking from sleep
* Address an issue that may prevent Safari from opening before joining a wireless network
* Fix a potential issue authenticating to an SMB DFS share
* Include RAW image compatibility for additional digital cameras
* Additional security content
* Additional improvements/changes to the Directory Services (see link below)
More information/full download: