While Mozilla was promising to release version 9 of its Firefox browser tomorrow, the official download links are live now.
Huge performance changes have been made in this release, while there aren’t any user interface changes that you’ll notice.
The double-digit increases in performance that most are reporting come from a new feature called “type inference”, created by Mozilla developer Brian Hackett. The feature now quickly chooses how to handle JavaScript, which doesn’t require a developer to define a variable. That makes the browser work overtime, but with type inference, the difference in performance is definitely noticeable.
Here are the rest of the changes and updates that come with version 9 of Firefox:
Added Type Inference, significantly improving JavaScript performance
Improved theme integration for Mac OS X Lion
Added two finger swipe navigation for Mac OS X Lion
Added support for querying Do Not Track status via JavaScript
Added support for font-stretch
Improved support for text-overflow
Improved standards support for HTML5, MathML, and CSS
Fixed several stability issues



















Chrome is much faster than other web browsers.
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LikeVersion 9.0? is it only available to selected countries?
on FF's website it's just 8.0.1 (http://www.mozilla.org/en-US/firefox/new/), as of the time of this post and also my FF's doesn't update not like before..
maybe beta version?
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Likeloved the firefox 8.0, its a lot improved, in terms of memory leaks and speed, will surely try the new one.
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Likeonce you go chrome there's no other browser.
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LikeConversation from Twitter
n0lb00 아주 반가운 소식이네요. 파이어폭스 8의 끔찍한 버그 때문에 파폭 포기하려던 참이었는데요.
ale__martins Já testou ? Andei lendo que ele iria entrar na dieta da memória. Acabei indo pro chrome mesmo.