Mozilla late on Friday released the first beta of Firefox 3.6, a minor upgrade slated to wrap up later this year. Delayed by over two weeks as developers closed out last-minute bugs, including one that pushed the release back by several days last week, Firefox 3.6 Beta contains relatively few visible changes from June 2009's Firefox 3.5. Instead, most of the enhancements have been made to under-the-hood components, including the TraceMonkey JavaScript rendering engine.

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