We've known for some time now that the JägerMonkey JavaScript engine seen in recent nightly preview builds of Firefox 4 would increase the browser's speed, but yesterday's release of the seventh beta version of the software shows performance increases beyond what many of us might have imagined.
That's due in large part to JägerMonkey, but also in part to the addition of support for hardware-accelerated graphics and hardware acceleration for Windows XP and Mac OS X. Firefox 4 Beta 7 also enables 3D capabilities without the need for plug-ins using WebGL.

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