Thunderbird 78.4.1 released

[German]The developers of the e-mail client Thunderbird released Thunderbird 78.4.1 on November 6, 2020. It is a maintenance update for the 78 main version of the e-mail client, which fixes some bugs.


German blog  reader Gerold pointed out this update in this comment. According to the release notes there are the following new features: 

Thunderbird prompts for an address when starting an e-mail from an address book entry with multiple addresses

and the fixes listed below:

  • Searching global search results did not work
  • Link location was not focused by default when adding a hyperlink in message composer
  • Advanced address book search dialog was unusable
  • Encrypted draft reply emails lost “Re:” prefix
  • Replying to a newsgroup message did not open the compose window
  • Unable to delete multiple newsgroup messages
  • Appmenu displayed visual glitches
  • Visual glitches when selecting multiple messages in the message pane and using Ctrl+click
  • Switching between dark and light mode could lead to unreadable text on macOS

A known issue is that the release notes list ‘Message list is not focused at startup’. I

System requirements

The system requirements for the different operating system versions (see also where further details can be found):

  • Windows: Windows 7, Windows Server 2008 R2 or higher
  • Mac: Mac OS X 10.9 or higher
  • Linux: GTK+ 3.4 or higher

    The download is available here. The Thunderbird is free of charge.


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