Thunderbird 78.10.1

[German]The developers of the Thunderbird email client have released Thunderbird 78.10.1 on May 4, 2021. It is a maintenance update for the 78 main version of the email client, which fixes various bugs and vulnerabilities.


According to the release notes, the fix for bug 1689804, introduced in Thunderbird 78.9.0, has been removed and the previous behavior restored. It also fixes security issues, some of which are classified as moderate.

Laut den Release Notes wurde die Korrektur für den Fehler 1689804, der in Thunderbird 78.9.0 eingeführt wurde, wieder entfernt und das vorherige Verhalten wiederhergestellt. Außerdem werden Sicherheitslücken behoben, die teilweise als moderat eingestuft werden.

System requirements

The system requirements for the different operating system versions (see here for more details):

  • 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. By the way, Thunderbird is free of charge.

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