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Comment by barredo | Hacker News Reader

Just installed the Beta on OSX. It's Fast. I mean: Chrome fast.

Keep in mind the Jaegermonkey project, which will greatly improve javascript performance is still under heavy work. So as of today, the javascript performance is still significantly behind chrome. (http://arewefastyet.com/)

That being said, javascript performance currently has little impact on user-perceived speed, and the "Reducing I/O from the main thread", GPU accelerated rendering, and startup/shutdown perf improvements are already causing incredibly noticeable perf gains.

That being said, javascript performance currently has little impact on user-perceived speed

Especially now with workers. I'm still hoping for OpenCL-for-JS, though. That would revolutionize the web & gaming.

I didn't mean Javascript. Although it is better than 3.6.x — I meant the application. It loads fast, it's light and robust. It feels incredible

Could you post the link for the download? I can only find 3.6.4 build 7

Firefox 4.0 beta 1 is not released yet, but it probably will be within a few days. (There was a candidate build yesterday, but we decided to wait for a second build with some more fixes.) When it is actually released, it will be announced on http://blog.mozilla.com and available from http://mozilla.com/firefox/all-beta.html

For now you can download the latest nightly "Minefield" build from http://nightly.mozilla.org/

See https://wiki.mozilla.org/Releases/Firefox_4.0b1 to track progress of the release.

Thank you very much for such an informative comment.

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