

So we are able to proceed with the following plan for the next couple weeks. And today 91.1.1 shipped with additional fixes. Thunderbird 91 is doing well with 6% of users on version 91. Now You: did you run into issues upgrading from Thunderbird 78 to 91?Īt this time, automatic updates from the Thunderbird 78 series to Thunderbird 91.2.0 are only available for the English language version, and other language versions are only available as a direct download from (for more information about automatic updates, see List of add-ons that are already supported for version 91, and list of add-ons that are not supported (including those implemented as mainstream features and those for which alternative add-ons exist). You can check out the entire Thunderbird 91.2.0 release notes here. Security fixes, which have not been specified yet on the official Thunderbird Security Advisories page. Some calendar events were displayed incorrected or duplicated.


Here is a quick overview of the changes of Thunderbird 91.2.0, released this week:
