This is the best summary I could come up with:

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Mozilla developers are celebrating that they are now faster than Google Chrome with the SunSpider JavaScript benchmark, although that test has been superseded by the JetStream benchmark.

Last week a new Firefox Nightly News was published that outlines that “We’re now apparently beating Chrome on the SunSpider JavaScript benchmark!”

The provided numbers now show Firefox easily beating Chrome in this decade-old JavaScript benchmark.

Meanwhile for the newer and more demanding JetStream 2.0 benchmark, Google Chrome continues to win easily over Firefox:

Besides Firefox running the JavaScript SunSpider benchmark much faster over the roughly past month, there’s been work on the HTTP/2 upload speed improvements, and various other enhancements.

Learn about the latest Firefox Nightly build advancements via the Firefox Nightly News.

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