Member Since: 3/2/2008
Posts: 14,823
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Test drive the new Firefox 4.0, currently in its BETA stage.
http://www.mozilla.com/firefox/beta/
- Tabs are given top visual priority for more efficient and intuitive browsing.
- Synchronize your settings, passwords, bookmarks, history, open tabs and other customizations across multiple devices so you can take Firefox with you wherever you go.
- Reclaim your browser from tab clutter! Drag and drop your tabs into manageable groups that you can organize, name and arrange in a fun and visual way.
- An easier way to manage your add-ons and discover new options for personalizing your browsing.
- Firefox 4 Beta contains huge performance enhancements, including our brand new JägerMonkey JavaScript engine. From faster start up times and graphics rendering to improved page load speed, you'll notice the difference instantly.
- As pioneers of HTML5 video standards, Firefox also supports the WebM format so you can watch open HD quality video.
- Firefox puts your privacy first, fixing flaws in some web standards that allow bad guys to snoop around and expose your browser history.
- Changes to the C++ representation of JavaScript values allow Firefox to execute heavy, numeric code more efficiently, resulting in cleaner graphics and a better browsing experience.
- Firefox now integrates multi-touch support for Windows 7, enabling you to interact with your browser in a whole new way.
- WebGL brings 3D graphics to Firefox, opening the door for developers to create vivid games and new kinds of visualizations and experiences for the Web.
- Firefox is changing the way media is integrated on the web: exposing the raw audio data housed within the <video> and <audio> elements in HTML5 makes it easy for developers to use JS to read and write audio data.
- Experience super fast scrolling on complex web pages. Simply awesome.
- Firefox starts up even faster thanks to XPCOM module improvements that pave the way to a better extensions framework.
- Firefox integrated Form features like list attributes and HTML5 validation provide the tools to make annoying form implementation development a thing of the past.
- A new HTML5 parser and full support for web video, audio, drag & drop, and file handling means Firefox 4 is ready to run the best web apps of both today and tomorrow.
- With this experimental analysis tool for modern sites, Firefox allows you to peek under the hood of dynamic web pages.
- Add-ons can be installed without restarting the browser, and can be developed more easily using the new JetPack SDK and js-ctypes.
- Experience super-fast graphics acceleration with Direct2D and Direct3D on Windows, XRender on Linux and OpenGL on Mac, now enabled by default, on all supported hardware.
- SVG files can now be used as images and backgrounds in Firefox, meaning that developers and designers can have stunning, performance-conscious websites with lighter, resolution-independent image files.
- Firefox can now better manage JavaScript objects with Compartments, offering improved cache utilization and garbage collection mechanisms for better security, memory management and overall performance.
- Firefox provides uninterrupted browsing for Windows, Linux, and now Mac when there is a crash in the Adobe Flash, Apple Quicktime or Microsoft Silverlight plugins. If one of these commonly-used plugins crashes or freezes, it won’t affect the rest of Firefox. Instead, you can simply reload the page to restart the plugin and try again.
- Sites can now keep attackers from intercepting sensitive data while accessing the site by telling Firefox to automatically establish secure connections to their servers (https).

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