Download Mozilla Thunderbird 38.0.1

The Mozilla Foundation has released version 38.0.1 of Thunderbird. Mozilla Thunderbird is an open source email and newsgroup client, with features such as support for several mail and news accounts, a spam filter, spell checker, and a customizable look and feel. Unlike the last few versions, which only contained bug fixes, in version 38.0.1 we find several new features. For example, there is oauth2 authentication for gmail, the calendar addon Lightning is now included as standard and filters can also be sent and archived messages can be released. The complete changelog looks like this:

New

• GMail supports OAuth2 authentication, removing the need to manually select “allow less secure applications” in Google options for the account. †bug 849540†
• Ship Lightning calendar addon with Thunderbird and enable with an opt-out dialog (bug 1113183†
• Filter sent messages (bug 11039†
• Filter messages when archived (bug 479823†
• Enable search in multiple/all address books (bug 170270†
• Add support for Yahoo Messenger in Chat (bug 955574†
• Support Internationalized domain name URLs for RSS feeds (Bug 1018589†
• Show expanded columns in folder pane (bug 464973†
• Allow file-per-message (maildir) local message storage (bug 845952†
• Add a Learn more link to the support page in feeds subscribe dialog (bug 1053782†
• Add reading position marker line to conversations (bug 760762†
• The editor for twitter should show inputtable character count (bug 736002†

Changed

• Thunderbird will no longer use SHA-1 to sign messages (bug 1018259†
• 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.†
• Disable CONDSTORE support for IMAP to prevent discrepancies in IMAP message status (deleted, unread) on some servers (bug 912216†
• Make OpenSearch queries open in the user’s default browser (bug 1120777†
• Default to using SSL for XMPP and IRC. This might cause issues for self-signed certificates (bug 1122567, bug 1122666†

Fixed

• Replied/forwarded icons disappear after folder repair, detach/delete (bug 840418†
• Attachment “Save As” files are displayed in Tools/Saved Files (bug 914517†
• Adding unknown email addresses to Mailing list, then deleting ghost duplicate entries from contacts pane, caused dataloss in mailing list (bug 628035†
• Web site from RSS feed was not rendered correctly (bug 662907†
• Email address with leading/trailing whitespace displayed wrongly with added quotes when composing [“foo”@bar.com] †bug 286760†
• Force display of Sender header if S/MIME sender is the signer (bug 332639†
• Addressing autocomplete widget: Typed text in red despite results/matches found if suggestions change by last input (bug 1042561†
• Status bar not accessible (bug 934875†
• Wrong folder may be deleted when requesting junk delete (bug 1018960†
• Severe UI stutter or freezes getting new mail for very large folders (bug 870556†
• Automatically rejoin multi-user conversations on reconnect for XMPP (bug 1014472†
• Various improvements when using IRC on moznet (bug 1083768 and others)
• Significantly improve XMPP support (bug 1085022 and others)
• Fixes for connecting to non-standard IRC networks (bug 870556 and others)
• Automatically reclaim IRC nicks during a reconnect (bug 1087566†
• Changing location in editor doesn’t preserve the font when returning to end of text/line (bug 756984†
• Inline spell checker loses red underlines after a backspace is used (bug 1100966†

Known Issues

• Automatic addon compatibility update checks were not completed, so existing addon compatibilities may not be accurate.
• Copy/Paste into plain text editor deletes newlines from quoted text (bug 1143570†

The following downloads are available:
Mozilla Thunderbird 38.0.1 for Windows (English)
Mozilla Thunderbird 38.0.1 for Linux (English)
Mozilla Thunderbird 38.0.1 for OS X (English)
Mozilla Thunderbird 38.0.1 for Windows (English)
Mozilla Thunderbird 38.0.1 for Linux (English)
Mozilla Thunderbird 38.0.1 for OS X (English)
Mozilla Thunderbird 38.0.1 for Windows (Frisian)
Mozilla Thunderbird 38.0.1 for Linux (Frisian)
Mozilla Thunderbird 38.0.1 for OS X (Frisian)