Firefox 4 Beta 9 is built to meet the demands of today’s Web users. It offers greater control over browsing, with brand new features such as the App Tabs and Panorama to make it easier to navigate the web and visit your favorite sites. Firefox 4 Beta 9 also includes performance enhancements that speed up the popular browser, making everything faster from start-up time to page-load speed and the performance of Web applications and games.
Also included in this release, Firefox Sync is integrated into the browser, giving you access to your Awesome Bar history, bookmarks, open tabs and passwords across computers and smartphones.
Firefox 4 Beta 9 makes it easier for web developers to create apps and Websites. This release includes full support for HTML5, WebM and HD video, 3D graphic rendering with WebGL, hardware acceleration and the Mozilla Audio API to help create visual experiences for sound.