Πιο γρήγορος με καλύτερη διαχείριση πρόσθετων και πολλές νέες τεχνολογίες.
WebSockets
Developers will be able to build real-time online interactions like gaming and chatting.
new Retained layers
Experience super fast scrolling on complex web pages. Simply awesome.
new XPCO
Firefox starts up even faster thanks to XPCOM module improvements that pave the way to a better extensions framework.
updated Stylin’ Pages with CSS3
Support for new CSS3 features like Transitions and Transformations makes it easy to add elegant animations to Web pages. Learn more
HTML5 Support
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.
Web Console
With this experimental analysis tool for modern sites, Firefox allows you to peek under the hood of dynamic web pages.
JetPack SDK (Making Add-On Development Easier)
Add-Ons can be installed without restarting the browser, and can be developed more easily using the new JetPack SDK and js-ctypes.
Indexed DB
Developers will be able to store application data locally, making cloud applications like Gmail or GDocs work more quickly and reliably, even when not connected to a network.
Crash Protection
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. Learn more about plugins.
Coming Soon
Sync
Synchronize your settings, passwords, bookmarks, history, open tabs and other customizations across multiple devices so you can take Firefox with you wherever you go.
Faster, Faster, Faster
Lazy frame construction, hardware graphics acceleration, more asynchronous I/O and the start of our JavaScript performance optimizations are just some of the things we're doing to make Firefox faster.
New Privacy Controls
Makes it easier to know what info websites are gathering about you, what they can do to your computer and what they're allowed to know about you.
Linux Themes
The new interface described above will soon be available for Linux users.
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