Safari 4 released for Mac & Windows @ WWDC 09

Apple has released Safari 4 for Mac and Windows PCs.

Safari 4 includes the new Nitro JavaScript engine that executes JavaScript nearly eight times faster than IE 8 and more than four times faster than Firefox 3. It loads HTML web pages more than three times faster than IE 8 and three times faster than Firefox 3.

Safari 4 includes HTML 5 support for offline technologies and support for advanced CSS Effects, enabling an entirely new class of web applications that feature rich media, graphics and fonts.
"The successful beta release helped us fine tune Safari 4 into an even better, faster version that customers are going to love," said Philip Schiller, Apple's senior vice president of Worldwide Product Marketing. "Safari is enjoyed by 70 million users worldwide and with its blazing fast speed, innovative features and support for modern web standards, it's the best browser on any platform."

Safari 4 includes Top Sites, for a visual preview of frequently visited and favorite pages; Full History Search, to search through titles, web addresses and the complete text of recently viewed pages; and Cover Flow, to easily flip through web history or bookmarks. Other innovative features include Smart Address Fields for automatically completing web addresses from an easy to read list of suggestions; Search Fields, to fine tune searches with recommendations from Google Suggest or a list of recent searches; and Full Page Zoom, for a closer look at any website without degrading the quality of the site's layout and text.

In Mac OS X Snow Leopard, available later this year, Safari runs as a 64-bit application, boosting the performance of the Nitro JavaScript engine by up to 50 percent. Snow Leopard makes Safari more resistant to crashes by running plug-ins in a separate process, so even if a plug-in crashes, Safari continues to run and the user simply has to
reload the affected page.

Safari 4 is available for both Mac OS X and Windows as a free download.

Safari 4 for Mac OS X requires Mac OS X Leopard v10.5.7 or Mac OS X Tiger v10.4.11 and Security Update 2009-002, a minimum 256MB of memory and is designed to run on any Intel-based Mac or a Mac with a PowerPC G5, G4 or G3 processor and built-in FireWire. Safari 4 for Windows requires Windows XP SP2 or Windows Vista, a minimum 256MB of memory and a system with at least a 500 MHz Intel Pentium processor.