Start your Software Update engines. Right after you do a backup.
The OS X Lion v10.7.3 Update includes Safari 5.1.3 and fixes that:
- 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