Thunderbird 154 Released with System Tray Mode, Microsoft Graph Support, and Major Mail Fixes

by George Whittaker The Thunderbird team has officially released Thunderbird 154, delivering several useful new features alongside a substantial collection of fixes for email, calendars, address books, authentication, and stability. Released on August 18, 2026, Thunderbird 154 is now the latest monthly release of the popular open-source email... Weiterlesen