Thunderbird 78.6.1

Thunderbird

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 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.

Thunderbird 78.6.1 changes:

  • MailExtensions: browserAction, composeAction, and messageDisplayAction toolbar buttons now support label and default_label properties

Fixes:

  • Running a quicksearch that returned no results did not offer to re-run as a global search
  • Message search toolbar fixes
  • Very long subject lines distorted the message compose and display windows, making them unusable
  • Compose window: Recipient addresses that had not yet been autocompleted were lost when clicking Send button
  • Compose window: New message is no longer marked as "changed" just from tabbing out of the recipient field without editing anything
  • Account autodiscover fixes when using MS Exchange servers
  • LDAP address book stability fix
  • Messages with invalid vcard attachments were not marked as read when viewed in the preview window
  • Chat: Could not add TLS certificate exceptions for XMPP connections
  • Calendar: System timezone was not always properly detected
  • Calendar: Descriptions were sometimes blank when editing a single occurrence of a repeating event
  • Various printing bugfixes
  • Visual consistency and theme improvements
  • Various security fixes

Download: Thunderbird 78.6.1 for Windows (EN/US) | 64-bit | ~50.0 MB (Open Source)
Download: Thunderbird 78.6.1 for Linux (EN/US) | 64.9 MB
Download: Thunderbird 78.6.1 for Mac OS (EN/US) | 66.4 MB
Download: Thunderbird 78.6.1 in other languages
View: Thunderbird Website | Release Notes | Screenshot

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