Mozilla has finally released the beta version of the Firefox 4, the next version of the popular open-source browser. This beta version containing many improvements like 64bit support, repositioned tabs, 3.6.4′s tab sandboxing to reduce crashes, enhanced HTML5 support, better Aero Peak integration for Windows 7 users an improved bookmarks manager , new Add-Ons Manager, HD Video feature, crash protection and best performance.
- New Add-Ons Manager: gives you more space to manage your Add-Ons, Themes and Plugins. Customizing your browser has never been easier!
- HD Video: Watch hardware-accelerated, super-smooth, HD-quality HTML5 video on YouTube using the new WebM format.
- Crash Protection: Experience uninterrupted browsing (now available on all platforms) – when a plugin crashes or freezes, you can resume browsing by simply refreshing the page.
- Performance: Improved responsiveness at start-up and during page loads. This is just the beginning for performance improvements in Firefox 4.
And more features including HTML5 Parser, WebSocets, IndexedDB, Web console and so on.
Note : This is pre-release software: you may encounter compatibility problems with some websites and add-ons.