Get Involved
Thunderbird is an open source project, which means anyone can contribute ideas, designs, code, and time helping fellow users.
Join UsVersion 37.0beta, first offered to channel users on March 13, 2015
Filter sent messages (bug 11039)
Disable CONDSTORE support for IMAP to prevent discrepancies in IMAP message status (deleted, unread) on some servers (bug 912216)
Removed rarely used character sets: T.61-8bit, non-encoding Mac encoders, VISCII, x-viet-tcvn5712, x-viet-vps x-johab, ARMSCII8 , map us-ascii to windows-1252, ISO-8859-6-I and -E and ISO-8859-8-E, (bug 1068505 and others.)
Error message while sending messages if Sent Items folder is not enabled for offline use (bug 1119529)