Release Notes

Thunderbird Desktop

Version 115.10.0 | Released April 16, 2024

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.

Thunderbird 115.10.0 is flawed with Bug 1891889. Thunderbird 115.10.1 will address this bug and will be available once testing has completed.

System Requirements: Details

  • Windows: Windows 7 or later
  • Mac: macOS 10.12 or later
  • Linux: GTK+ 3.14 or higher

What’s Fixed

fixed

Creating a tag in General Settings with a number as the tag name did not work

fixed

Quick Filter button selections did not persist after restart

fixed

Collapsing and expanding message list headers sometimes caused header to scroll out of view

fixed

Single message with no children inside a parent thread sometimes displayed incorrectly as a thread with a duplicate of itself as its child

fixed

"Get selected messages" menu items did not work

fixed

"Download and Sync Messages" dialog was too short when using Russian locale, obscuring OK button

fixed

After changing password on an IMAP account, the account could become locked due to too many failed login attempts

fixed

Retrieving multiline POP3 message from server failed if message chunk ended in newline instead of carriage return and newline

fixed

IMAP, POP3, and SMTP Exchange autoconfiguration did not support encryption configuration

fixed

Non-empty address book search bar interfered with displaying/editing contacts

fixed

Deleting attendees from "Invite Attendees" view removed attendees from view, but not from invite

fixed

Splitter arrow between task list and task description did not behave as expected

fixed

Performance improvements and code cleanup

Known Issues

unresolved

Thunderbird processes did not exit cleanly; user intervention was required via task manager

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