Safari 4.1.3 Software Update:

This update contains improvements to usability, compatibility, stability, accessibility and security, including the following:

• More accurate Top Hit results in the Address Field
• More accurate results in Top Sites
• Fixes an issue that could cause content delivered with the Flash 10.1 plug-in to overlap webpage content
• More reliable pop-up blocking
• Improved stability when typing into search and text input fields on www.netflix.com and www.facebook.com
• Improved stability when using VoiceOver with Safari

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