Download Mozilla Thunderbird 60.5.3

The Mozilla Foundation has released a third update for version 60.5 of Thunderbird. Mozilla Thunderbird is an open source email and newsgroup client, with features such as support for several mail and news accounts, a spam filter, spell checker, and a customizable look and feel. Version 60 includes improvements in attachment handling, spell checking, and working with templates. In version 60.5.3, the following improvements have also been made:

FIXED

• Problem when using “Send to > Mail recipient” on Windows introduced in version 60.5.2. If files with non-ASCII characters in their name still cause a malfunction, use one of the following two alternative solutions:
  • Reset this registry entry
    HKLM\SOFTWARE\Clients\Mail\Mozilla Thunderbird – SupportUTF8 to 0. On also reset HKLM\SOFTWARE\Wow6432Node\Clients\Mail\Mozilla Thunderbird – SupportUTF8 if present.
  • On Windows 10, set the system code page to UTF-8 (beta feature, see Region Settings, system locale)

Known Issues

• Due to changes in the Mozilla platform profiles stored on Windows network shares addressed via drive letters are now addressed via UNC
• Chat: Twitter not working due to API changes at Twitter.com