Linked by Thom Holwerda on Tue 9th Nov 2010 22:25 UTC, submitted by lemur2
Mozilla & Gecko clones Following a number of delays, the Mozilla Project has confirmed that it plans to ship the seventh beta for version 4 of its open source Firefox web browser on Wednesday, the 10th of November. This seventh beta for version 4 of Firefox 4 is the first beta to include the new Jaegermonkey javascript engine for Firefox.
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Fasten Your Seatbelts
by lemur2 on Wed 10th Nov 2010 22:40 UTC
lemur2
Member since:
2007-02-17

http://blog.mozilla.com/blog/2010/11/10/fasten-your-seatbelts-lates...

A new release of Firefox 4 Beta is now ready for you to download and test! This release boosts performance in some important ways: it adds the J├ĄgerMonkey just-in-time (JIT) JavaScript compiler; adds more support for hardware-accelerated graphics, as well as hardware acceleration for Windows XP and Mac OS X; and enables 3D capabilities, without the need for plug-ins, with WebGL.

This means pages load faster, interactions with websites are snappier and the Web is just a lot more fun. For developers, this means you can build richer high-performance Web applications and explore the world of 3D graphics, inherent to the Web.

Also, the Add-ons APIs for Firefox 4 are now stable, so if you are an add-on developer, now is the time to update your Firefox 3.6-compatible Add-ons to support Firefox 4.


The Mozilla blog has quite a list of what's new for the new Firefox beta.

Mozilla is being a bit cagy by comparing Firefox 4.0b7 only to earlier versions of Firefox, but the arewefastyet.com websites tells the story in comparison to other javascript engines.

BTW: The GUI (or any other part of it) isn't at all sluggish on my system.

PS: Just prior to this release, which admittedly has been coming for a longish time, there was a spate of articles comparing IE9 preview in particular to the pervious beta (Firefox 4.0b6). Only now with Firefox 4.0b7 is the new Jaegermonkey javascript engine included. I'm betting that the mainstream media will go real quiet now on the topic of previews of upcoming web browsers.

PPS: Is Firefox 4.0 the only web browser that offers "hardware acceleration for Windows XP"? I think it might be.

PPPS: More comment on the speed here:
http://blog.mozilla.com/dmandelin/2010/09/08/presenting-jagermonkey...

Edited 2010-11-10 22:48 UTC

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