Mozilla Thunderbird 115.9.0

The Mozilla Foundation has released version 115.9.0 of Thunderbird. Thunderbird is an open source client for email and newsgroups, with features such as support for various mail and news accounts. Furthermore, there is a spam filter, spell check, calendar and address book, and it has a customizable appearance. In version 115 we find, among other things, a new user interface, which has been given the name Supernova by Mozilla. Furthermore, the calendar and address book have been improved, and links are no longer opened in Thunderbird, but in the standard web browser. The changelog for this release can be found below.

Fixes

• Opened ignored messages in a message thread/subthread were not marked as read in IMAP folders

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• Multi-language spellcheck sometimes skipped languages
• Thread tree did not update when live language switching
• Visual improvements to “Reorder Attachments” popup
• Sort order was sometimes incorrect in Grouped By views
• Selecting “Match all messages” in Filter Rules dialog did not disable all search criteria
• S/MIME-only signed messages sometimes incorrectly displayed signature as invalid
• OpenPGP keys uploaded to an HKP keyserver were sent with the wrong Content-Type header
• Keyboard navigation within search toolbar did not work
• Flatpak builds only had the en-US spell check dictionary available
• Security fixes