Thunderbird Desktop
Version 56.0beta | Released October 18, 2017
Check out the notes below for this version of Thunderbird. As always, you’re encouraged to tell us what you think, ask for help, or file a bug in Bugzilla.
These release notes apply to Thunderbird version 56 beta 3 released August 21st, 2017.
What’s New
new
An option under "Tools > Options, Advanced, General" now allows to select whether date/time display will follow the application locale (adjusted by operating system's format settings for that locale) or the locale selected in the operating system's regional settings. In other words, an US English Thunderbird can use, for example, German formats.
What’s Changed
changed
IMAP: When after sending a message storing that sent message fails, the message can now be stored in a local folder
changed
When messages are composed in paragraph format, "body text" and split mail quotes are converted to paragraphs when pressing the enter key
changed
Thunderbird now uses the latest Mozilla technology based on Rust for encoding messages
changed
Various improvements in the Thunderbird themes on all platforms, especially for Windows 10.
What’s Fixed
fixed
Unwanted inline images shown in rogue SPAM messages
fixed
Contacts sidebar: Selection and context menu behavior
fixed
Deleting message from the POP3 server not working when maildir storage was used
fixed
Message disposition flag (replied / forwarded) lost when reply or forwarded message was stored as draft and draft was sent later
fixed
Inline images not scaled to fit when printing
fixed
Selected text from another message sometimes included in a reply
fixed
No authorisation prompt displayed when inserting image into email body although image URL requires authentication
fixed
Blank lines removed from plain text replies under some circumstances
fixed
Large attachments taking a long time to open under some circumstances
fixed
IMAP UIDs > 0x7FFFFFFF not handled properly