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Firefox 3 Release Notes

v3.0.1, released July 16, 2008 Check out what’s new, the known issues and frequently asked questions about the latest version of Firefox. As always, you’re encouraged to tell us what you think, either using this feedback form or by filing a bug in Bugzilla.

What’s New in Firefox 3.0.1

Firefox 3.0.1 fixed several issues found in Firefox 3.

  • Fixed several security issues.
  • Fixed several stability issues.
  • Fixed an issue where the phishing and malware database did not update on first launch.
  • Under certain circumstances, Firefox 3.0 did not properly save the SSL certificate exceptions list.
  • Updated the internal Public Suffix list.
  • In certain cases, installing Firefox 2 in the same directory in which Firefox 3 has been installed resulted in Firefox 2 being unstable. This issue was fixed as part of Firefox 2.0.0.15.
  • Fixed an issue where, when printing a selected region of content from the middle of a page, some of the output was missing (bug 433373).
  • Fixed a Linux issues where, for users on a PPP connection (dialup or DSL) Firefox always started in "Offline" mode (bug 424626).

System Requirements

Before installing, make sure your computer meets the system requirements.

Downloading

Mozilla provides Firefox 3 for Windows, Linux, and Mac OS X in a variety of languages. You can get the latest version of Firefox 3 here. For builds for other systems and languages not provided by Mozilla.org, see the Contributed Builds section at the end of this document.

Installing

Please note that installing Firefox 3 will overwrite your existing installation of Firefox. You won’t lose any of your bookmarks or browsing history, but some of your extensions and other add-ons might not work until updates for them are made available.

Uninstalling

You can remove Firefox 3 through the Control Panel in the Start Menu on Windows, by removing the Firefox application on OS X, or by removing the firefox folder on Linux.

Removing Firefox 3 won’t remove your bookmarks, web browsing history, extensions or other add-ons. This data is stored in your profile folder, which is located in one of the following locations depending on your operating system:

Windows Vista Users\<UserName>\AppData\Roaming\Mozilla\Firefox
Windows 2000, XP, Server 2003 Documents and Settings\<UserName>\Application Data\Mozilla\Firefox
Mac OS X ~/Library/Application Support/Firefox
Linux and Unix systems ~/.mozilla/firefox

Any version of Firefox that you install after removing Firefox 3 will continue to use the data from this profile folder.

Extensions and Themes

Extensions installed under Firefox 2 may be incompatible and/or require updates to work with Firefox 3. Please report any issues to the maintainer of the extension. When you install Firefox 3 all of your Extensions and Themes will be disabled until Firefox 3 determines that either a) they are compatible with the Firefox 3 release or b) there are newer versions available that are compatible.

Known Issues

This list covers some of the known problems with Firefox 3. Please read this before reporting any new bugs.

All Systems
  • If Flash content is active when Firefox crashes, the Crash Reporter may not activate (bug 422308)
  • Deleting an entry from the history sidebar, then invoking the Clear Private Data tool can result Firefox crashing (bug 426275)
  • The IME input tool used to enter Japanese, Korean, Chinese and Indic characters is covered by the "Add Bookmark" panel. Users can use IME for input in the Library window by selecting "Organize Bookmarks..." from the Bookmarks menu (bug 433340)
  • Some add-ons that depend on deprecated code may not install properly (see bug 406807)
  • Privacy > History > Remember visited pages to "0" has no effect (bug 366075)
  • Some users who have customized toolbars may need to reset them if they are missing the Back and Forward buttons (bug 426026)
  • Some Web pages (such as mlb.com) do not properly detect if Silverlight is installed and will not function properly (bug 432371). This issue is fixed by the Silverlight 2.0 beta.
  • The DOM Inspector has been removed and is now available as an add-on.
  • Support for Cross-Site XmlHttpRequest has been removed until the specification becomes more stable and the security model is improved (bug 424923)
  • After dismissing the "Do you want Firefox to remember this password" prompt, it is sometimes not possible to focus form fields unless you reload the page (bug 433942)
  • The new Location Bar, Add Bookmark dialog, and Download Manager information popup behave inconsistently with Window-Eyes (bug 393398)
Microsoft Windows
  • A Windows Media Player (WMP) plugin is not provided with Windows Vista and some other versions of Windows. To view Windows Media content, you must install this plugin by following these instructions. After installing you may need to check for Windows Updates before the plugin will show content properly.
  • Users who have older installations of Google Desktop Search may experience crashes on startup; reinstalling Google Desktop Search fixes the problem (bug 401513)
Mac OS X
  • Japanese, Korean, Chinese and Indic characters can not be entered (using IME) into text fields in Flash objects (bug 357670)
  • If you are using IPv6 from a network location that doesn't support IPv6 routing your DNS lookups may be very slow. Set network.dns.disableIPv6 to true as a workaround (bug 417689)
  • Items in the "File" menu show as inactive after using the "Print" item from that menu - switching to a new tab restores them (bug 425844)
  • At this time, Firefox 3 cannot be used when the user profile is stored on an AFP directory (bug 417037)
Linux and Unix
  • Users running Ubuntu 7.10 may need to update their certificate databases in order to submit crash reports (bug 407748 for instructions)
  • The mouse button assignments for Back and Forward have changed, users may need to reconfigure their pointing devices (bug 420294)
  • Incompatibilities between NVIDIA drivers and some versions of the X server cause scaled images to render incorrectly (bug 411831)
  • The Orca screen reading software does not read some text, such as the save password notification, site identity information, or the default prompt text in search fields - these are known problems with Orca (see Gnome bug 533109 and 533125)

Troubleshooting

  • Poorly designed or incompatible extensions can cause problems with your browser, including make it crash, slow down page display, etc. If you encounter strange problems relating to parts of the browser no longer working, the browser not starting, windows with strange or distorted appearance, degraded performance, etc, you may be suffering from Extension or Theme trouble. Restart the browser in Safe Mode. On Windows, start using the "Safe Mode" shortcut created in your Start menu or by running firefox.exe -safe-mode. On Linux, start with ./firefox -safe-mode and on Mac OS X, run:

    cd /Applications/Firefox.app/Contents/MacOS/
    ./firefox-bin -safe-mode

    When started in Safe Mode all extensions are disabled and the Default theme is used. Disable the Extension/Theme that is causing trouble and then start normally.
  • If you uninstall an extension that is installed with your user profile (i.e. you installed it from a Web page) and then wish to install it for all user profiles using the -install-global-extension command line flag, you must restart the browser once to cleanse the profile extensions datasource of traces of that extension before installing with the switch. If you do not do this you may end up with a jammed entry in the Extensions list and will be unable to install the extension globally.
  • If you encounter strange problems relating to bookmarks, downloads, window placement, toolbars, history, or other settings, it is recommended that you try creating a new profile and attempting to reproduce the problem before filing bugs. Create a new profile by running Firefox with the -P command line argument, choose the "Manage Profiles" button and then choose "Create Profile...". Migrate your settings files (Bookmarks, Saved Passwords, etc) over one by one, checking each time to see if the problems resurface. If you do find a particular profile data file is causing a problem, file a bug and attach the file.

Frequently Asked Questions

  1. What can I do to help?

    We need help from developers and the testing community to provide as much feedback as possible to make Firefox even better. Please read these notes and the bug filing instructions before reporting any bugs to Bugzilla. You can also give us your feedback through this feedback form.

  2. Why haven’t you responded to the mail I sent you?

    Use the newsgroup. The Firefox team reads it regularly, and your email may have gotten lost.

  3. Where can I get extensions and themes (add-ons)?

    Extensions and Themes can be downloaded from Firefox Add-ons.

  4. Who makes Firefox 3?

    Lots of people. See Help->About Mozilla Firefox, Credits for a list of some of the people who have contributed to Firefox 3.

  5. Where’s the Firefox 3 source code?

    A tarball of the Firefox 3 source code is available for download. The latest development code can be obtained by cvs. Firefox-specific source is in "mozilla/browser", "mozilla/toolkit", and "mozilla/chrome". Please follow the build instructions.

  6. Where is the mail client?

    Firefox 3 works with whatever mail client is the default on your system. However, we recommend Mozilla Thunderbird, our next-generation email client and the perfect complement to Firefox.

Contributed Builds

These are unofficial builds and may be configured differently than the official Mozilla builds. They may also be optimized and/or tested for specific platforms. You can browse through the available contributed builds on the FTP site.

Solaris (contributed by Sun Desktop Beijing Team)

README

Tarball format

Pkgadd format