Mozilla Firefox 3 Beta 4 Released

Monday March 10th, 2008

Mozilla Firefox 3 Beta 4 has been released for testing. The fourth beta of the next major Firefox version offers over 900 bug fixes over Beta 3, including improvements in download manager, full page zoom, better integration with Vista, Mac OS X and Linux, and significant improvements in speed and memory usage.

Firefox 3 Beta 4 can be downloaded from the Firefox beta page. The Firefox 3 Beta 4 Release Notes have more details, including information about what's new in Firefox 3 and what's been improved in this specific milestone. The Mozilla Developer News weblog's announcement of Firefox 3 Beta 4 includes links of interest to developers.

A fifth beta milestone has been added to Firefox 3 Schedule based on the number of blockers remaining. Code Freeze for beta 5 will be on Tuesday, March 18th, 2008.

#24 Please Help Confirm Bug 420108

by xerxes

Monday March 17th, 2008 9:47 AM

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Please help me confirm this bug. Please use a large file ~4MB to get a good reading.


I'm not sure the issue is multiple FF installs on my part. If not, it's bound to pop up in other places. Basically the JS should make a call every second after the upload button is pressed. It can be viewed in the AJAX Debug window. FF1, FF2, Opera, IE and Safari all make JS calls every second. FF3 Beta 2, 3, 4 hangs periodically which cause the progress bar to race.