Apple released an update to its Safari web browser Wednesday. Safari 5.0.1 is available from Apple as a free download for Windows and for Mac OS X (Leopard or better). Mac users can also find it in Software Update.

This is an incremental upgrade, but it comes with one big new feature: Safari now has a real platform for third-party extensions, a feature that Firefox and Chrome have had for some time.

Safari 5 arrived in early June, and in addition to dozens of other enhancements (including the much-discussed Reader feature) it included a new architecture for creating lightweight browser extensions that enhance and personalize web pages and web services. Wednesdayâ??s update now lets you install and run those extensions. Apple has also launched a new Extensions Gallery where you can browse the available extensions and download them.
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