Apple has released Safari Security Update (APPLE-SA-2010-03-11-1) for Mac and Windows, which brings the web browser to version 4.0.5.

According to the Apple, the update is recommended for all Safari users and includes improvements to performance, stability, and security including:
° Performance improvements for Top Sites;

° Stability improvements for third party plug-ins;

° Stability improvements for web sites with online forms and Scalable Vector Graphics;

° Fixes an issue that prevented Safari from changing settings on some Linksys routers;

° Fixes an issue that prevented some users from commenting on documents.

Mac users can obtain the update via the Software Updates component of the Mac OS X Systems Preferences app.