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Join UsVersion 91.1.2, first offered to channel users on September 28, 2021
Thunderbird will now warn if an S/MIME encrypted message includes BCC recipients
Message Security popup did not display all recipients due a missing scrollbar
Delivery Status Notifications were only shown for the first recipient
Composing a message from a template with attachments failed due to a temporary file being removed
Attachment sizes were no longer included on printed emails
A message sent with multiple attachments sometimes only sent one
Thunderbird sometimes attached the wrong messages when forwarding multiple messages by attachment
Thunderbird did not re-prompt for an SMTP username if one was not provided
Messages with BCC recipients that were held in the Outbox did not retain the BCC header when moved to the Sent folder
Thunderbird displayed reminders for events that were cancelled or declined
New Feed Account dialog did not honor dark mode