Mozilla on Tuesday made its latest Web browser available for Windows, Mac OS X and Linux computers. Firefox 4 features a redesigned UI, a new panoramic tab manager, improved security and privacy controls, integrated Firefox Sync services, tab grouping, an optimized JavaScript engine designed to improve Web app performance, GPU-accelerated page rendering and plenty more. The new version of Firefox is available for download immediately in numerous languages. Hit the break for a video highlighting Firefox 4’s new features.