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Version history for Mozilla Thunderbird
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Changes for v9.0.1 - v10.0
- New ability to search the Web
- Improvements to searching email
- Several fixes when drafting email
- and several other platform fixes
Changes for v9.0 - v9.0.1
- Fixes an issue that stopped users of Windows XP and earlier from running Thunderbird in some cases
Changes for v8.0 - v9.0
- Thunderbird is based on the new Mozilla Gecko 6 engine
- Several theme improvements for Windows 7
- Support for Windows 7 Jump lists
- Several fixes when importing email from Microsoft Outlook
- Default mail client check now works with newer Linux distributions
- Various other user interface fixes and improvements
- Fixed several security issues
- Numerous platform fixes that improve speed, performance and stability
Changes for v8.0 - v9.0 Beta 4
- Added an opt-in system for users to send performance data back to Mozilla to improve future versions of Thunderbird
- Better keyboard handling for attachments
- Windows users can hide the menu bar (and show it with the "alt" key)
- Several user interface fixes and improvements
- and numerous other platform fixes
Changes for v8.0 - v9.0 Beta 1
- Added an opt-in system for users to send performance data back to Mozilla to improve future versions of Thunderbird
- Better keyboard handling for attachments
- Windows users can hide the menu bar (and show it with the "alt" key)
- Several user interface fixes and improvements
- and numerous other platform fixes
Changes for v7.0.1 - v8.0
- Thunderbird is based on the new Mozilla Gecko 8 engine
- Add-ons installed by third party programs are now disabled by default
- New Search and Find Shortcuts
- Improved accessibility of the attachment list
- Folder switching pane widget removed
- Numerous platform fixes to stability
- Fixed several security issues
Changes for v7.0 - v7.0.1
- Fixed a rare issue where some users could find one or more of their add-ons hidden after a Thunderbird update (see the blog post)
Changes for v6.0.2 - v7.0
- Thunderbird is based on the new Mozilla Gecko 7 engine
- Several user interface fixes and improvements
- Several fixes to attachment handling
- Ability to print a summary of selected email messages
- Platform improvements to Address Book
- Fixed several security issues
- Numerous platform fixes that improve speed, performance and stability
Changes for v6.0 - v7.0 Beta 1
- Several user interface fixes and improvements
- Several fixes to attachment handling
- Ability to print a summary of selected email messages
- and numerous other platform fixes
Changes for v6.0 - v6.0.1
- Thunderbird is based on the new Mozilla Gecko 6 engine
- Several theme improvements for Windows 7
- Support for Windows 7 Jump lists
- Several fixes when importing email from Microsoft Outlook
- Default mail client check now works with newer Linux distributions
- Various other user interface fixes and improvements
- Fixed several security issues
- Numerous platform fixes that improve speed, performance and stability
Changes for v6.0 Beta 3 - v6.0
- Support for Windows 7 Jump lists
- Several fixes when importing email from Microsoft Outlook
- Default mail client check now works with newer Linux distributions
- Various other user interface fixes and improvements
- and numerous other bug fixes
Changes for v5.0 - v6.0 Beta 3
Changes for v5.0 - v6.0 Beta 2
- Support for Windows 7 Jump lists
- Several fixes when importing email from Microsoft Outlook
- Default mail client check now works with newer Linux distributions
- Various other user interface fixes and improvements
- and numerous other bug fixes
Changes for v3.1.11 - v5.0
- More responsive and faster to start up and use
- Thunderbird is based on the new Mozilla Gecko 5 engine
- New Add-ons Manager
- Revised account creation wizard to improve email setup
- New Troubleshooting Information page
- Tabs can now be reordered and dragged to different windows
- Attachment sizes now displayed along with attachments
- Plugins can now be loaded in RSS feeds by default
- There are several theme fixes for Windows Vista and Windows 7
- Support for Mac 32/64 bit Universal builds (Thunderbird no longer supports PowerPC on Mac)
- Over 390 platform fixes that improve speed, performance, stability and security
Changes for v5.0 Beta 1 - v5.0 Beta 2
- New Addons Manager and extension management API (user interface will be changed before final release)
- Tabs can now be reordered and dragged to different windows
- Revised account creation wizard, offering improved set-up
- Attachment sizes now displayed along with attachments
- New troubleshooting information page to aid supporting and diagnosing problems in Thunderbird
- Plugins can now be loaded in RSS feeds by default
- Various other user interface fixes and improvements
- Support for Mac 32/64 bit Universal builds (Thunderbird Beta will no longer support PowerPC on Mac)
- and numerous other bug fixes
Changes for v3.1.10 - v5.0 Beta 1
- New Addons Manager and extension management API (user interface will be changed before final release)
- Tabs can now be reordered and dragged to different windows
- Revised account creation wizard, offering improved set-up
- Attachment sizes now displayed along with attachments
- New troubleshooting information page to aid supporting and diagnosing problems in Thunderbird
- Plugins can now be loaded in RSS feeds by default
- Various other user interface fixes and improvements
- Support for Mac 32/64 bit Universal builds (Thunderbird Beta will no longer support PowerPC on Mac)
- and numerous other bug fixes
Changes for v3.1.10 - v3.1.11
- Several fixes to improve performance, stability and security, see the Security Advisory.
Changes for v3.1.9 - v3.1.10
- Several fixes to improve stability and security
- Several fixes to the user interface
Changes for v3.1.8 - v3.1.9
- This release prevents a crash after update that is affecting some users.
Changes for v3.1.7 - v3.1.8
- Several fixes to improve performance, stability and security, see the Security Advisory.
Changes for v3.1.6 - v3.1.7
- Several fixes to improve performance, stability and security, see the Security Advisory.
- Several fixes to improve handling of large folder files stored locally.
- Several fixes to improve corruption in local copy of IMAP mailboxes.
Changes for v3.1.5 - v3.1.6
- A fix for this vulnerability has been released for Firefox and Thunderbird users.
Changes for v3.1.4 - v3.1.5
- Several fixes to improve performance, stability and security, see the Security Advisory.
- Several fixes to improve the user interface and add-ons experience.
Changes for v3.1.3 - v3.1.4
- Thunderbird 3.1.4 is a stability update to Thunderbird 3.1.x
Changes for v3.1.2 - v3.1.3
- Several fixes to improve stability and security, see the Security Advisory.
- Several fixes to improve stability.
- Several fixes to the user interface.
Changes for v3.1.1 - v3.1.2
- Several fixes to improve stability.
- Several fixes to the user interface.
Changes for v3.1 RC 2 - v3.1
- New features include:
- Faster Search Results and Quick Filter Toolbar
- Faster Search Results
- Message indexing is faster and provides users with faster search results.
- Quick Filter Toolbar
- New Quick Filter Toolbar lets you filter against search terms, tags, starred messages, address book contacts, new emails, and attachments.
- User Experience Improvements
- New Migration Assistant
- The new Migration Assistant gives Thunderbird 2 users a way to choose the new features in Thunderbird 3.1 or to keep their current features and settings.
- Saved Files Manager
- New Saved Files Manager displays all the files you downloaded from your email to your computer.
- Mail Account Setup Wizard
- Hundreds of ISP settings have been added to make setting up Thunderbird easier. The Mail Account Setup Wizard matches against a database of email settings from popular mail providers so that you will only need to provide your name, email, and password to set up new mail accounts.
- Performance Improvements
- Improvements to Stability, Memory, and Password Handling
Changes for v3.1 RC 1 - v3.1 RC 2
- Faster Search Results: Message indexing is faster and provides users with faster search results.
- Quick Filter Toolbar: New Quick Filter Toolbar lets you filter against search terms, tags, starred messages, address book contacts, new emails, and attachments.
Changes for v3.1 Beta 2 - v3.1 RC 1
- New features include:
- Faster Search Results and Quick Filter Toolbar
- - Faster Search Results
- Message indexing is faster and provides users with faster search results.
- - Quick Filter Toolbar
- New Quick Filter Toolbar lets you filter against search terms, tags, starred messages, address book contacts, new emails, and attachments.
- User Experience Improvements
- -New Migration Assistant
- The new Migration Assistant gives Thunderbird 2 users a way to choose the new features in Thunderbird 3.1 or to keep their current features and settings.
- -Saved Files Manager
- New Saved Files Manager displays all the files you downloaded from your email to your computer.
- -Mail Account Setup Wizard
- Hundreds of ISP settings have been added to make setting up Thunderbird easier. The Mail Account Setup Wizard matches against a database of email settings from popular mail providers so that you will only need to provide your name, email, and password to set up new mail accounts.
- Performance Improvements
- -Improvements to Stability, Memory, and Password Handling
Changes for v3.1 Beta 1 - v3.1 Beta 2
- Thunderbird 3.1 Beta 2 is built on top of the Gecko 1.9.2 platform. The main goals of this release is to find out about possible problems caused by the changes in the underlying platform. Notable changes include:
- New quick filter toolbar.
- New migration assistant.
- Improved support for Personas.
- Several fixes to improve upgrading from Thunderbird 2.
- Several design improvements and corrections to the interface.
- Stability and memory improvements.
Changes for v3.0.3 - v3.1 Beta 1
- Several fixes to improve upgrading from Thunderbird 2.
- Several fixes for auto complete, tabs, and activity manager.
- Several design improvements and corrections to the interface.
- Stability and memory improvements.
Changes for v3.0.7 - v3.0.8
- Several fixes to improve stability.
Changes for v3.0.6 - v3.0.7
- Several fixes to improve stability and security, see the Security Advisory.
- Several fixes to the user interface.
Changes for v3.0.5 - v3.0.6
- Several fixes to improve stability.
- Several fixes to the user interface.
Changes for v3.0.4 - v3.0.5
- This release improves the performance of indexing messages and accessing profiles stored on a network.
- This release also improves the unread email notification on Mac OS X.
- Several fixes to the user interface.
Changes for v3.0.3 - v3.0.4
- Several fixes to improve stability and security, see the Security Advisory.
- Several fixes to the user interface.
Changes for v3.0.2 - v3.0.3
- Fix for missing folders or empty folder pane after updating to Thunderbird 3.0.2
Changes for v3.0.1 - v3.0.2
- New in Thunderbird 3.0.2:
- Several fixes to improve stability and security, see the Security Advisory.
- Fixes for Thunderbird 2 users upgrading to Thunderbird 3.
- Several fixes to IMAP.
- Fixed in Thunderbird 3.0.2
- MFSA 2010-03 Use-after-free crash in HTML parser
- MFSA 2010-01 Crashes with evidence of memory corruption (rv:1.9.1.8/ 1.9.0.18)
Changes for v3.0 - v3.0.1
- Several fixes to improve stability and security
- Several fixes to the user interface and attachment handling.
- Fixed: 382298 - Forwarded “icon” not shown up in IMAP account (index issue?)
- Fixed: 398702 - Thunderbirds File, Edit and View menus are hidden with some Lightning + other extensions combinations – Error: document.getElementById(“show-completed-checkbox”) is null Fichier Source : chrome://calendar/content/calendar-unifinder-todo.js Line : 61
- Fixed: 461152 - Move Up/Down in Message Filters doesn’t scroll selected filter into view
- Fixed: 472019 - crash [@ nsMsgDBFolder::CallFilterPlugins(nsIMsgWindow*, int*)]
- Fixed: 505717 - crash [@ EscapeFromSpaceLine(nsIOutputStream*, char*, char const*)]
- Fixed: 512666 - No “forwarded and replied” arrow in Mac OS classic theme
- Fixed: 513543 - Crash [@ MimeInlineTextHTML_parse_eof ]
- Fixed: 516477 - Dock shows a double count of unread messages in smart folder view
- Fixed: 516586 - Account Settings dialog cuts off buttons
- Fixed: 517461 - Perfolder unread e-mail count sometimes is wrong on a IMAP server (IMAP server, dovecot, supports CONDSTORE)
- Fixed: 521026 - Can’t open\close message pane with F8 button
- Fixed: 524125 - Provide makefile target for bloat tests and don’t hard-code path to symbols
- Fixed: 524821 - folder pane changes to smart folders if Open in Folder used from Search Messages
- Fixed: 524852 - drag and drop message to local file system: file with 0 bytes
- Fixed: 524902 - Thunderbird sometimes fetches read/unread flags from the wrong IMAP folder
- Fixed: 525513 - crash [@ nsNetscapeProfileMigratorBase::CopyCookies(int)]
- Fixed: 526193 - Windows XP, Linux theme inconsistens attachment-deleted, phishing and thread-watched
- Fixed: 526918 - [3.0.x only] extraneous space in header pane above the headers in “All Headers” mode
- Fixed: 527232 - Unnecessary vertical space between the “Use a master password” checkbox and its description
- Fixed: 527731 - Folder pane changes to smart folders if new message is opened from mail notification popup and the account that the message is for, is collapsed
- Fixed: 528039 - Reply to List not correctly identifying lists
- Fixed: 529824 - tokenization bug breaks global search query strings ending in non-ASCII characters
- Fixed: 530035 - xpcshell-tests in /mail/base/ fail on JS strict mode
- Fixed: 530044 - Stack overflow on corrupted newsgroup Crash [@ arena_malloc_small ] looping through nsMsgQuickSearchDBView::ListIdsInThreadOrder
- Fixed: 530239 - Can’t see that there are more recipients, and can’t expand: “more” cut off by buttons
- Fixed: 531505 - Deleting message from a message tab populated by a cross folder saved search does not advance to next message
- Fixed: 531794 - crash [@ nsNntpCacheStreamListener::OnDataAvailable(nsIRequest*, nsISupports*, nsIInputStream*, unsigned int, unsigned int)]
- Fixed: 531811 - Patcher Configs should point release notes to Mozilla Messaging website rather than mozilla.com
- Fixed: 531829 - Archiving messages from multiple years stores them all in one year’s archive
- Fixed: 532170 - LDAP address book named with cyrillic/chinese letters doesn’t work
- Fixed: 532693 - edit message as new for messages with attachments corrupts heap
- Fixed: 532779 - Unable to open Attached Message Part (this bug:Tb3 generates text/html part instead of message/rfc822 for attached mail, bug 533462:Unable to open text attachment by external program)
- Fixed: 533170 - No title for message tabs opened from a single folder saved search
- Fixed: 533249 - Crash [@ nsImapMailFolder::NotifySearchHit(nsIMsgMailNewsUrl*, char const*) ]
- Fixed: 533462 - Impossible to open a .txt and .html attachment with an external editor.
- Fixed: 533692 - Kaspersky Anti-Spam Extension causes blank main window on 2.0.0.23 to 3.0 upgrade
- Fixed: 533865 - Doing a quick search in a cross-folder saved search clears cached results
- Fixed: 534382 - TB stores new fetched e-mails in Local Folders-1 after upgrade from tb2 to tb3(deferred_to_account is deleted, and the account/server number is used by “Smart Folders” of Tb3. Somehow directory for “Smart Folders” becomes “Local Folders-1?)
- Fixed: 534422 - Make 1.9.1 client.py pull specific state of extensions by default
- Fixed: 534462 - loadStartFolder() asks for master password even if already logged into the software security device
- Fixed: 534480 - Make sure Thunderbird doesn’t start shutting down in the middle of Mozmill test-displaying-messages-in-folder-tabs.js and test-quick-search.js
- Fixed: 534641 - Selecting Multiple Message Filters to run in other folders
- Fixed: 534835 - offline folder size constantly increases using Exchange IMAP (Exchange returns wrong rfc822 size)
- Fixed: 535021 - Folder pane: Arrows in header are too subtle
- Fixed: 535528 - Mail Compose – address autocomplete causes application freeze (OE Contacts / Windows Address Book related)
- Fixed: 535560 - Get Thunderbird 3.0 boxes onto building with gecko 1.9.1.7 and our core sqlite changes
- Fixed: 535997 - crash when importing Outlook 2000 address book [@ nsOutlookMail::CreateList]
- Fixed: 536042 - Provide a way for folder tree modes to express parent relationships and tell us which folder a message belongs to
- Fixed: 536129 - Update mail/ copyright dates to 2010
- Fixed: 536245 - Right side of entire Thunderbird window is cut off if toolbar width exceeds window width
- Fixed: 536404 - When composing an S/MIME encrypted email, no padlock is shown at bottom right of window
- Fixed: 536552 - Make sure gFolderTreeView.toggleOpenRow works even if a string is passed in as the index
- Fixed: 536704 - auto sending return receipts does not work
- Fixed: 537820 - quick search in smart folders/saved searches should prefer offline when it has a choice
- Fixed: 538354 - Migration assistant doesn’t set property server.offlineDownload properly
- Fixed: 538414 - Recover mail downloaded to Local Folders-1
- Fixed: 538568 - Thunderbird 3.0 can’t handle autoconfig files with daysToLeaveMessagesOnServer elements.
- Fixed: 538896 - Set up buildbot for Thunderbird 3 releases independent of Thunderbird 3.1
Changes for v3.0 RC 2 - v3.0
- New Search with Advanced Filtering Tools
- New Search with Advanced Filtering Tools
- Search results now include advanced filtering tools. You have the option to filter your results by sender, tag, attachments, people, folder, and mailing list. You can also filter your email using the timeline tool.
- New Global Search Field with Autocomplete
- When typing in the Global Search field, Thunderbird autocompletes against your address book. You have the option of searching everywhere or filtering against different parts of the email such as by subject or by sender.
- User Experience Improvements
- New Mail Account Setup Wizard
- The new Mail Account Setup Wizard matches against a database of email settings from popular mail providers so that you will only need to provide your name, email, and password to set up new mail accounts.
- Redesigned Mail Toolbar
- The Mail Toolbar is redesigned to include the new Global Search bar. Buttons such as reply, forward, delete, junk are part of each email message. You can add those buttons back to the main toolbar by customizing the toolbar.
- Tabbed Email Messages
- Double-clicking or hitting enter on a mail message will now open that message in a New Tab window. Middle-clicking on messages or folders will open them in a Tab in the background. When quitting Thunderbird, visible tabs will be saved and will be restored when you open Thunderbird the next time. There is also a new Tab menu on the Tab toolbar to help you switch between Tabs.
- Smart Folders
- The folder pane offers a Smart Folders mode which combines special mailboxes, like Inbox, from multiple accounts. Smart Folders is now on by default.
- New Message Summary View
- Selecting multiple messages will give you a summary view of the emails you have selected.
- Column Headings
- The column headings that are displayed and the order in which they are displayed can now be set on a per-folder basis.
- Message Archive
- You can now file messages from your Inbox or other folders into the new Archive folder system.
- Activity Manager
- The Activity Manager records all the interactions between Thunderbird and your email provider in one place.
- New Add-ons Manager
- The new Add-ons Manager (Tools > Add-ons) can now be used to find, download, and install Thunderbird Add-ons which includes Extensions, Themes, and Plugins. Note that few Add-ons are compatible with this beta at the time of release, as Add-on developers need to upgrade them.
- Improved Address Book
- If someone is in your address book, it is indicated by a new star icon which you can click to edit contact details inline. If they are not in your address book, you can add them with one click of the icon. A new birthday field allows you to keep track of your friends' birthdays. You can also add a photo for contacts in your address book.
- Improved Gmail Integration
- Better recognition and integration of Gmail's special folders such as Sent and Trash including non-English versions of Gmail. Thunderbird also uses All Mail as the Archives folder.
- For Windows Vista users, Thunderbird 3 is now integrated with Vista search results. On first start, Thunderbird will prompt to install its indexing system into Windows Vista and you can choose to see Thunderbird email and news messages in Windows search results.
- For Mac users, Thunderbird 3 is now integrated with Spotlight, can import from Mail.app, read your OS X address book, and use Growl for new mail alerts.
- Performance Improvements
- IMAP Folder Synchronization
- Thunderbird will download IMAP messages by default in the background to allow for faster message loading and better offline operation. This feature can be enabled on an individual folder basis via Folder properties, or for all folders in an account via Account Settings / 'Synchronize & Storage'.
Changes for v3.0 RC 1 - v3.0 RC 2
- Fixed
- shutdown hang, high cpu, no open imap connections
- [autoconfiguration] "Download new messages automatically" should be checked/activated/enabled by default (at least for POP3 accounts!)
- Theme is labeled as version 2.0
- "Download More Dictionaries" fails to open webpage correctly
Changes for v2.0.0.22 - v2.0.0.23
- MFSA 2009-42 Compromise of SSL-protected communication
Changes for v2.0.0.14 - v2.0.0.16
- Fixed in Thunderbird 2.0.0.16
- MFSA 2008-34 Remote code execution by overflowing CSS reference counter
- MFSA 2008-33 Crash and remote code execution in block reflow
- MFSA 2008-31 Peer-trusted certs can use alt names to spoof
- MFSA 2008-29 Faulty .properties file results in uninitialized memory being used
- MFSA 2008-26 Buffer length checks in MIME processing
- MFSA 2008-25 Arbitrary code execution in mozIJSSubScriptLoader.loadSubScript()
- MFSA 2008-24 Chrome script loading from fastload file
- MFSA 2008-21 Crashes with evidence of memory corruption (rv:1.8.1.15)

