Mozilla has just unveiled Thunderbird version 143 of its widely adopted free and open-source desktop email client, now available for download. One of the more notable fixes is the restoration of Gmail relay support via smtp-relay.gmail.com, which had previously stopped working for some users.
On top of that, this new release also addresses several long-standing bugs, such as crashes during startup and mail import, issues when adding accounts, and cases where the application could freeze during setup.
Draft handling has been improved as well. Users who switched between different draft folders may have noticed incorrect behavior, and saving new drafts sometimes kept outdated versions. Both issues have now been resolved.
For those relying on IMAP, Thunderbird 143 fixes problems where deleting or detaching attachments did not work correctly with certain servers. Other fixes include restoring missing menu options, correcting search bar navigation, and resolving drag-and-drop problems in the address book.
On the platform side, Thunderbird 143 continues to support Windows 10 or later, macOS 10.15 or later, and Linux systems with GTK+ 3.14 or higher. Visual and UX improvements have been made, too, while small annoyances like hidden menu bars after updating and duplicate accelerator keys have also been addressed.
For more information, see the announcement. Thunderbird 143 is available as a direct download from thunderbird.net.
