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Thunderbird "Supernova" 115.2.3

Thunderbird Supernova

Thunderbird is a free, open-source, cross-platform application for managing email and news feeds. It is a local (rather than a web-based) email application that is powerful yet easy-to-use.

Thunderbird is clean and elegant by default, but easily customizable to match your workflow and visual preferences. It is loaded with unique and powerful features.

Thunderbird is developed, tested, translated and supported by the folks at Mozilla Corporation and by a group of dedicated volunteers. Thunderbird gives you control and ownership over your email. There are lots of add-ons available for Thunderbird that enable you to extend and customize your email experience.

Thunderbird gives you IMAP/POP support, a built-in RSS reader, support for HTML mail, powerful quick search, saved search folders, advanced message filtering, message grouping, labels, return receipts, smart address book LDAP address completion, import tools, and the ability to manage multiple e-mail and newsgroup accounts.

Changes in Thunderbird 115.2.3:

  • Card view and vertical layout are now default for new profiles


  • Go > Folder menu was disabled
  • "Tools" menu was blank when opened from compose window on macOS
  • Deleting an attachment from a message on an IMAP server corrupted the local copy when configured with "mark as deleted"
  • Manually entered passwords were not remembered for OAuth-authenticated accounts such as Yahoo mail
  • Quick Filter's "Keep filters applied" did not persist after restarting Thunderbird
  • Top-level Quick Filter settings did not persist after restart
  • Notifications for new messages with non-ASCII characters in the subject were garbled
  • "Mark Thread As Read" did not work when some messages in thread were already read
  • New Groups tab in NNTP subscribe dialog id not work as expected
  • Negative values were allowed in "Share for files larger than" field
  • Thunderbird sometimes crashed when deleting a parent folder with subfolders
  • "Send Message Error" appeared intermittently while Thunderbird was idle
  • Focused but not selected messages were missing visual indication of focus in card view
  • Notification dot did not disappear from taskbar icon on Windows after messages had already been read
  • Multiple selected messages could not be opened simultaneously if selection included more than 19 messages
  • Email replies received via BCC incorrectly populated From field with default identity
  • User was not always notified of message send failures in outbox
  • Tag dialog did not close properly after editing tag
  • Newsgroup field in compose window did not autocomplete with suggested newsgroup names
  • Canceling newsgroup messages did not check if sender matched user's own identity
  • Event dialog with several invitees expanded beyond screen height
  • Message check boxes were partially obstructed in message list

Known issues / unresolved

  • Some folders missing from Unified Folders

Download: Thunderbird 115.2.3 for Windows (EN/US) | 32-bit | ~50.0 MB (Open Source)
Download: Thunderbird 115.2.3 for Linux (EN/US) | 74.7 MB
Download: Thunderbird 115.2.3 for Mac OS (EN/US) | 127.0 MB
Download: Thunderbird 115.2.3 in other languages
View: Thunderbird Website | Screenshot

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