

This is caused an add-on incorrectly setting Firefox preferences (see bug 641288) For some users, the preference dialog is not shown and a rendering error (in the form of a white square) is shown instead.A workaround has been identified (see bug 605357) Some ALPS touchpad drivers break scrolling in Firefox.Uninstalling and reinstalling Adobe Reader X has been determined to resolve the issue (see bug 640901) Some users of Adobe Reader X have experienced instability when viewing PDF documents in the browser.If you try to start Firefox using a locked profile, it will crash (see bug 573369).For some users, scrolling in the main GMail window will be slower than usual (see bug 579260).This is not a Firefox issue, please contact the website owner (see bug 681140) Firefox will now display a corrupted content error when it detects certain types of misconfigured servers.The BBC has been notified of the issue (see bug 674335)

Arabic text on BBC.co.uk does not display correctly.The Roundcube team has been notified of the issue (see bug 680610) Roundcube, webmail software used by many hosting companies, incorrectly displays an ellipses in place of long email titles.Choosing the 'Pop out' menu item while watching fullscreen YouTube videos may cause Firefox to hang (see bug 675645).Users of the Twitter search plugin may see Twitter appear in the search provider list multiple times (see bug 690658).

If you're a web developer, we recommend you download Firefox Aurora and try out the improved version of this tool. This is an early version of a developer tool that has already evolved substantially.

Please start Firefox in safe mode and disable any problematic toolbars (see bug 711794) Some add-ons (particularly toolbars built with the FreeCause platform) may cause crashes on startup for some users.This list covers some of the known problems with Firefox which will be resolved in future versions: All Systems
