Thunderbird Release Notes

Version 52.5.2, first offered to channel users on December 22, 2017

Check out "What’s New" and "Known Issues" for this version of Thunderbird below. As always, you’re encouraged to tell us what you think, or file a bug in Bugzilla. If interested, please see the complete list of changes in this release.

System Requirements:
• Window: Windows XP, Windows Server 2003 or later
• Mac: Mac OS X 10.9 or later
• Linux: GTK+ 3.4 or higher

Details here.

Please refer to Release Notes for version 52.0 to see the list of improvements and fixed issues.

What’s New

  • fixed

    This releases fixes the "Mailsploit" vulnerability and other vulnerabilities detected by the "Cure53" audit. For details and various other security fixes see here.