Thunderbird Desktop
Version 68.3.1 | Released December 16, 2019
Check out the notes below for this version of Thunderbird. As always, you’re encouraged to tell us what you think, ask for help, or file a bug in Bugzilla.
** Thunderbird version 68.3.1 provides an automatic update from Thunderbird version 60.** If you have installed Lightning, Thunderbird's calendar add-on, it will automatically be updated to match the new version of Thunderbird. Refer to this Calendar troubleshooting article in case of problems.
System Requirements: • Window: Windows 7, Windows Server 2008 R2 or later • Mac: Mac OS X 10.9 or later • Linux: GTK+ 3.4 or higher. Details here.
Please refer to Release Notes for version 68.0 to see the list of improvements and fixed issues.
What’s Changed
changed
In dark theme unread messages no longer shown in blue to distinguish from tagged messages
changed
Account setup is now using client side DNS MX lookup instead of relying on a server.
What’s Fixed
fixed
Searching LDAP address book crashed in some circumstances
fixed
Message navigation with backward and forward buttons did not work in some circumstances
fixed
WebExtension toolbar icons were displayed too small
fixed
Calendar: Tasks due today were not listed in bold
fixed
Calendar: Last day of long-running events was not shown
Known Issues
unresolved
When upgrading from Thunderbird version 60 to version 68, add-ons are not automatically updated during the upgrade process. They will however be updated during the add-on update check. It is of course possible to reinstall compatible add-ons via the Add-ons Manager or via addons.thunderbird.net.
