Thunderbird Desktop
Version 52.4.0 | Released October 6, 2017
Check out the notes below for this version of Thunderbird. As always, you’re encouraged to tell us what you think, or file a bug in Bugzilla.
System Requirements:
• Window: Windows XP, Windows Server 2003 or later
• Mac: Mac OS X 10.9 or later
• Linux: GTK+ 3.4 or higher
Details here.
Please refer to Release Notes for version 52.0 to see the list of improvements and fixed issues.
What’s New
new
In Thunderbird 52 a new behavior was introduced for replies to mailing list posts: "When replying to a mailing list, reply will be sent to address in From header ignoring Reply-to header". A new preference mail.override_list_reply_to allows to restore the previous behavior.
What’s Fixed
fixed
Under certain circumstances (image attachment and non-image attachment), attached images were shown truncated in messages stored in IMAP folders not synchronised for offline use.
fixed
IMAP UIDs > 0x7FFFFFFF not handled properly
fixed
Various security fixes
Learn What’s Next
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