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Thunderbird is an open source project, which means anyone can contribute ideas, designs, code, and time helping fellow users.
Join UsVersion 100.0beta, first offered to channel users on April 6, 2022
es-MX localized build now available
"Select all addresses" now supported from composer pill context menu
Matrix chat support enabled by default. This is a beta feature.
Importing sqlite addressbooks now supported
Importing addressbooks via CSV file now supports semi-colon (;) delimited files
Exporting current profile now supported on importing tab
OpenPGP: Public keys from email attachments and autocrypt headers now saved for future use
Expired OpenPGP recipient keys now indicated in compose window
Account settings moved to macOS application menu
"PreferMailFormat" property removed from addressbook
Additional SMTP errors now propogated to user
Thunderbird was unable to download new POP messages in some cases
Quoted lines in plain text replies were errorenously wrapped
Save dialog was incorrectly shown when closing empty composer windows
Various compose window UX fixes
Incorrect OpenPGP preferences were used for secondary identities
Adding an expiry date to an OpenPGP key that did not have one was not possible
UI showed old OpenPGP key expiry date after changing it
Various OpenPGP key lookup fixes
Creating news accounts by clicking a news URL did not work
Search box did not have focus after opening addressbook tab
Non-UTF8 CSV files could not be imported to addressbook
Modified CalDAV items could hang if the server indicated that no items changed
Reminders for events created by another user could not be closed
Start/End time widgets were not disabled for All-day events in event edit dialog
Incorrect access key used for File->New->Message
menu item
Various theme improvements
Some icons in mail toolbar were not visible
Importing large OpenPGP key files failed
Various issues opening news://
URLs fixed
Some Matrix conversations did not show correct encrypted state
Edit event dialog was not sized properly on macOS and Windows
Thunderbird failed to retrieve complete message when using POP and set to download partial messages
OpenPGP Key Manager did not always display correct information after importing additional IDs
Decrypt OpenPGP keys via GPGME failed
OpenPGP was not able to use some previously supported key types
macOS disk image graphics updated
Task creation field on macOS incorrectly displayed a search icon
macOS keyboard shortcuts for Application menu items did not work
Opening Account Settings from Tools menu on macOS failed
Tooltips on chat user avatars may not be displayed correctly
Chat system messages were not grouped correctly when displayed
Chat username splitting in the account wizard did not work after changing protocols