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Mozilla releases Firefox 4.0 beta 1

Updated 4 years ago

Yesterday, Mozilla released the first beta of its Firefox 4.0 web browser into the wild. Some of the updated features include: the Gecko 2.0 engine, tabs on top (Windows only for now), a new extensions manager, HD HTML5 WebM video format support, “crash protection,” and a new HTML5 engine. Hit the read link to view the release notes and download the very latest bits Mozilla has to offer.