Apple today released Safari 4.0.4, bringing improvements for JavaScript and History search performance, stability improvements in a number of areas including third-party plug-ins, and fixes for a handful of security issues.
This update is recommended for all Safari users and includes improvements to performance, stability, and security including:
– Improved JavaScript performance
– Improved Full History Search performance for users with a large number of history items
– Stability improvements for 3rd-party plug-ins, the search field and Yahoo! Mail
For detailed information on the security content of this update, please visit this site: http://support.apple.com/kb/HT1222.