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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 98.0beta, first offered to channel users on February 9, 2022
Thunderbird will use the first occurrence of headers that should only appear once
Duplicated OpenPGP encrypted attachments were shown when display-attachments-inline
was enabled
Thunderbird generated views of meeting invitations are now expanded by default
SMTP send progress bar could trigger high CPU usage when the server connection failed
Improved POP server authentication detection during Account Setup
Emails were not downloading at startup under some conditions
Importing an OpenPGP key from an attachment context menu failed
Ctrl+mouse wheel
did not zoom in the message source window
Importer did not work with mail directories outside of the profile directory
Archiving multiple folders at once failed
News folders did not display biff indicator
News posting failures were not reported when using news-only profiles
Newsgroups were not removed from folder pane when unsubscribed and the root folder was collapsed
LDAP Autoconfig could block Thunderbird startup
It was possible to create annual calendar events with invalid days
Mini-month views did not properly update at midnight
UX improvements when using rotated calendar views
Port numbers were not shown in "Confirm Security Exception" dialog for CalDAV connections
Dark theme fixes
What's new link displayed in About: dialog
Copy/Cut/Paste actions not working in Thunderbird Preferences
Opening mid:
URLs on macOS failed
Address books stored in older formats were loaded as SQLite files, causing a crash
Address book dialogs could be obscured by a contact details pane
Replicated LDAP directories were lost after switching Thunderbird to "Offline"`mode
Importing webcals from the commandline failed if the URI ended with an .ics
file extension