Thunderbird 78.4.3 released

[German]The developers of the e-mail client Thunderbird released Thunderbird 78.4.3 on November 11, 2020. This is a security update for the 78 main version of the e-mail client, which fixes bugs.


German Blog reader Gerold pointed out this update in this comment. The update was also offered and installed. According to the release notes there are two bug fixes: 

  • The user interface becomes inconsistent when switching from a dark theme to the default theme and back
  • The subject of the e-mail disappears when you move the mouse over it and use the classic Windows 7 theme

As a known issue the developers state that the message list is not focused at startup.

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

Th e download is available here and in the links posted in this comment. By the way, the Thunderbird is free.

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