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CHANGELOG

What's New in version 68.8.1:

FIXES:

  • IMAP stability improvements
  • HTML tags in IRC topic changes were rendered incorrectly
  • MailExtensions: Websockets could not be used

What's New in version 68.6.0:

New:

  • Thunderbird now displays a popup window when starting up on a new profile

Changes:

  • Thunderbird now provides partial updates resulting in smaller downloads

What's New in version 68.4.1:

Changes:

  • Various improvements when setting up an account for a Microsoft Exchange server: Now offers IMAP/SMTP if available, better detection for Office 365 accounts; re-run configuration after password change.

Fixes:

  • After changing view layout, the message display pane showed garbled content under some circumstances
  • Various security fixes
  • Various theme changes to achieve 'pixel perfection': Unread icon, 'no results' icon, paragraph format and font selector, background of folder summary tooltip
  • Tags were lost on messages in shared IMAP folders under some circumstances
  • Calendar: Event attendee dialog was not displayed correctly

What's New in version 68.3.1:

Changed:

  • In dark theme unread messages no longer shown in blue to distinguish from tagged messages
  • Account setup is now using client side DNS MX lookup instead of relying on a server.

Fixed:

  • Searching LDAP address book crashed in some circumstances
  • Message navigation with backward and forward buttons did not work in some circumstances
  • WebExtension toolbar icons were displayed too small
  • Calendar: Tasks due today were not listed in bold
  • Calendar: Last day of long-running events was not shown

What's New in version 68.2.2:

  • Then upgrading a 64bit version of Thunderbird version 60 to version 68, the existing profile wasn't recognized and a new profile was created.
  • Note: If your profile is still not recognized, select it by visiting about:profiles in the Troubleshooting Information.

What's New in version 68.2.0:

New:

  • Message Display WebExtension API

Fixed:

  • Message Search WebExtension API
  • Better visual feedback for unread messages when using the dark theme
  • Various issues when editing mailing lists
  • Integration with macOS addressbook and notifications not working after introduction of notarization
  • Application windows not maintaining their size after restart
  • Issues when upgrading from a 32bit version of Thunderbird to a 64bit version. Note: If your profile is still not recognised, selected it by visiting about:profiles in the Troubleshooting Information.

What's New in version 60.8.0:

Changed:

  • Calendar: Problems when editing event times, some related to AM/PM setting in non-English locales

Known Issues:

  • Due to changes in the Mozilla platform profiles stored on Windows network shares addressed via drive letters are now addressed via UNC
  • Chat: Twitter not working due to API changes at Twitter.com

What's New in version 60.7.1:

Fixed:

  • No prompt for smartcard PIN when S/MIME signing is used
  • Various security fixes

Known Issues:

  • Due to changes in the Mozilla platform profiles stored on Windows network shares addressed via drive letters are now addressed via UNC
  • Chat: Twitter not working due to API changes at Twitter.com

What's New in version 60.5.0:

New:

  • FileLink provider WeTransfer to upload large attachments
  • Thunderbird now allows the addition of OpenSearch search engines from a local XML file using a minimal user inferface: [+] button to select a file an add, [-] to remove.
  • More search engines: Google and DuckDuckGo available by default in some locales
  • During account creation, Thunderbird will now detect servers using the Microsoft Exchange protocol. It will offer the installation of a 3rd party add-on (Owl) which supports that protocol.

What's fixed:

  • Thunderbird now compatible with other WebExtension-based FileLink add-ons like the Dropbox add-on
  • Crash when using custom sound for new email notification
  • Various security fixes

Known Issues:

  • Due to changes in the Mozilla platform profiles stored on Windows network shares addressed via drive letters are now addressed via UNC
  • CalDav access to some servers not working. Workaround: Set preference network.cookie.same-site.enabled to false.
  • Chat: Twitter not working due to API changes at Twitter.com

What's New in version 60.0 RC1:

  • NEW: When writing a message, a delete button now allows the removal of a recipient. This delete button is displayed when hovering the To/Cc/Bcc selector.
  • NEW: Further improvements to attachments handling during compose: 'Attach' button moved to the right to be above the attachment pane. Alt+M now allows to show the attachment pane. The attachment pane can also be shown initially when composing a new message. Right-click on the header to enable this option. It is now also impossible to completely collapse a non-empty attachment pane. That protects against attachments accidentally being sent.
  • NEW: Thunderbird now allows the conversion of folders from mbox to maildir format and vice versa. This is an experimental feature that needs to be enabled by setting the preference mail.store_conversion_enabled. Note that this functionality does not not work if the option 'Allow Windows Search/Spotlight to search messages' is selected.
  • NEW: Light and Dark themes
  • NEW: WebExtension themes are now enabled in Thunderbird
  • NEW: FIDO U2F support
  • NEW: Calendar: Allow copying, cutting or deleting of a selected occurrence or the entire series for recurring events
  • NEW: Calendar: Provide an option to display locations for events in calendar day and week views
  • NEW: Calendar: Provide the ability for sending/not sending meeting notifications directly instead of showing a popup
  • CHANGED: IMPORTANT: Add-ons not marked as compatible with Thunderbird 60 by their authors will be disabled (this can be reverted via preference extensions.strictCompatibility)
  • CHANGED: Thunderbird will now prompt to compact IMAP folders even if the account is online. Note: Under certain circumstances an incorrect estimate of the expected gain is shown.
  • CHANGED: Better address book photo handling: Photos can be added by drag and drop and a copy of all photos will be stored in the Thunderbird profile
  • CHANGED: Native notifications on Linux are now re-enabled
  • CHANGED: During address entry, the matching part of the address is now shown in bold. Preference mail.autoComplete.commentColumn allows to display the address book where the address is stored.
  • CHANGED: Calendar: Removal of capability to send email invitations compatible to Outlook 2002 and earlier
  • FIXED: Various problems when forwarding messages inline: Some introduced in Thunderbird 60 beta 7, some dating back to 2005 when using 'simple' HTML view.
  • FIXED: The IMAP and News subscribe dialog did not present a folder tree (not working since Thunderbird version 59)
  • FIXED: Messages moved between IMAP accounts were missing parts (embedded content or attachments) under some circumstances
  • FIXED: Better error handling for Gmail authentication to avoid re-downloading of folders
  • FIXED: Text in the address book card view wasn't selectable
  • FIXED: UTF-7 support (not working since Thunderbird version 56)
  • FIXED: Complete fix of the EFAIL vulnerability: 1) Removing some HTML crafted to carry out an attack. 2) Not decrypting subordinate message parts that otherwise might reveal decrypted content to the attacker. Preference mailnews.p7m_subparts_external controls this.
  • FIXED: Thunderbird used a stale cached password after user edited a saved password
  • FIXED: The new menu item 'Add-on Options' introduced in Thunderbird 59 beta is now also working on Mac
  • FIXED: Source view not working for JS, XML, CSS, etc. source files via 'Developer Tools > Error Console'. Other options: 1) Set preference view_source.editor.external and view_source.editor.path to view the source in the editor of your choice. 2) Use 'Developer Tools > Developer Toolbox, Console'. (not working in earlier versions of Thunderbird 60 beta)
  • FIXED: Deleting or detaching attachments corrupted messages under certain circumstances (not working in earlier versions of Thunderbird 60 beta)
  • FIXED: Calendar: Google account credentials not retained by Lightning

What's New in version 52.9.0:

changed:

  • Thunderbird will now prompt to compact IMAP folders even if the account is online

fixed:

  • Complete fix of the EFAIL vulnerability: 1) Removing some HTML crafted to carry out an attack. 2) Optionally: Not decrypting subordinate message parts that otherwise might reveal decryted content to the attacker. Preference mailnews.p7m_subparts_external needs to be set to true for added security.
  • Various problems when forwarding messages inline when using "simple" HTML view
  • Various security fixes

What's New in version 52.8.0:

  • Various security fixes

What's New in version 60.0 Beta 3:

  • Bug 1441353. Fix beta decision bustage.
  • Bug 1441353 - part 2: Add beetmover job to publish signed langpacks
  • Bug 1441353 - part 1: Add AMO tasks for signing and uploading
  • Bug 1442884 - Show request details button does not work when the first request list item is not shown using any filters: fix eslint issue
  • Bug 1447273 - Add test to check that different GainNode configuraitons produce correct output.
  • Bug 1447273 - Consider all AudioChunk members in AudioChunk::CanCombineWithFollowing.
  • Bug 1447273 - Reduce AudioChunk::CanCombineWithFollowing indentation.

What's New in version 60.0 Beta 2:

  • Bug 1447263 - Snap: Split build and upload task
  • bug 1443336 - set snap to treeherder tier 2.
  • Bug 1447263 - Snap: Split build and upload task
  • Bug 1425197 - Add additional checks of the target URL in the inspectedWindow devtools actor.
  • Bug 1446445 - app.normandy.first_run should default to true
  • Bug 1346535 - atk: Introduce U+FEFF characters to match AT-SPI offsets with DOM offsets.
  • Bug 1444547 - Propagate proper error codes from u2f-hid-rs to WebAuthn
  • Bug 1397757 Add Learn More link for the Canvas Permission Prompt
  • Bug 1449042: Negotiate tracks even when they're not active.
  • Bug 1414693 - Fix findbar buttons hover feedback when using a dark lightweight theme.

What's New in version 60.0 Beta 1:

  • Bug 1262679 - Edited the test case.
  • Bug 1444327 - Bring back ability to see and copy font URLs: Add whitespace to make eslint happy
  • Bug 1444327 - Bring back ability to see and copy font URLs.
  • Bug 1443771 - Add ESR name to the about dialog. It is not translated.
  • Bug 1443850 - Part 2: Add a WPT test verifying synthetic responses work when a request fragment is present.
  • Bug 1443850 - Part 1: Don't try to apply the request fragment to an empty response URL when perform service worker interception.
  • Bug 1443664 - Form control might not have non-chrome only content.
  • Bug 1444851 - a11y::HandlerProvider: Clear the interceptor target reference when disconnecting remotes.
  • Bug 1443481 - [Linux/Titlebar] Construct widget tree to get correct titlebar icon style before we render the actual icon.

What's New in version 59.0 Beta 2:

New:

  • Further improvements to reordering attachments (introduced in Thunderbird 58 beta), including reordering by drag & drop
  • Edit Template command. This also solves various problems when saving as template (duplicates created, message ID lost).
  • Calendar: Option to select the target calendar when pasting an event or task

CHANGED:

  • Add-on options can no longer be configured from the Add-on Manager page. A new menu item 'Add-on Options' is now available on the Tools menu.
  • When customizing the From: address, Thunderbird will now use this address for the SMTP 'MAIL FROM' command. Previously the address configured in the identity was used. The preference mail.smtp.useSenderForSmtpMailFrom allows return to the previous behavior.
  • Various updates to the Thunderbird theme. Thunderbird now uses Photon Icons.
  • Calendar: Reminders on read-only calendars can now be dismissed, while reminders for missed events will now only be displayed for writable calendars if option 'Show missed reminders for writable calendars' is selected

FIXED:

  • Various problems related to handling the IMAP trash folder: Under certain circumstances the selection of the trash folder didn't persist, for example when the name contained non-ASCII characters, or in localized versions of Thunderbird. At times unwanted additional trash folders were created. Selection of a trash folder didn't give immediate visual feedback.
  • Searching message bodies of messages in local folders, including filter and quick filter operations, did not find content in message attachments
  • Shared IMAP folders not shown in subscribe dialog under some circumstances
  • Calendar: Wrong time formatting for some time zones