Ryan Paul: Mozilla has announced the availability of Firefox 4 beta 7, a prerelease build for users who want to help test the next major version of the popular open source Web browser. It includes JaegerMonkey, Mozilla’s enhanced JavaScript engine.
During our tests of the new beta, we were consistently impressed by its outstanding performance and greatly improved responsiveness. It delivers highly competitive performance and puts Firefox back on an even footing with its rivals. The beta also brings the Firefox 4 theming overhaul to Linux, including the new tab position above the address bar…
