Thunderbird 141 Arrives with Archive Button, OpenPGP Expiry Warnings
Mozilla Thunderbird 141 open-source email client is out now with a new Archive button, better OpenPGP key handling, and a wide range of bug fixes.
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Thunderbird 140 “Eclipse” Brings Native Experimental Exchange Support
Mozilla Thunderbird 140 “Eclipse” open-source email client lands with experimental native Exchange setup, adaptive dark messaging, and more.
Thunderbird 140 ESR Focuses on Enterprise Needs
Thunderbird 140 ESR is out now, bringing smarter notifications, dark mode message rendering, UI polish, and dozens of bug fixes across mail, calendar, and chat.
Thunderbird 139 Lands with Granular Notification Controls
Mozilla Thunderbird 139 open-source email client lands with granular notification controls, message actions in alerts, folder sorting, and more.
Mozilla Thunderbird 138 Released, Here’s What’s New
Mozilla Thunderbird 138 open-source email client brings customizable new mail alerts, dark mode refinements, folder management fixes, and more.
Thunderbird Launches Open Source Services to Rival Gmail and Office365
Thunderbird launches Thundermail and Pro services to offer an open-source alternative to Gmail and Office365, focused on privacy, freedom, and user control.
Mozilla Thunderbird 137 Released, Here’s What’s New
Mozilla Thunderbird 137 open-source email client brings visual updates, security fixes, and key performance improvements across Windows, macOS, and Linux.
Thunderbird 136 Now Available for Download, Here’s What’s New
Mozilla Thunderbird 136 rolls out with dark mode enhancements, improved message threading controls, and bug fixes.
Thunderbird Shifts to Monthly Major Releases
Starting March 2025, Thunderbird’s Desktop Release channel will be the default download, offering monthly feature releases.
Thunderbird 135 Brings Fixes for IMAP, POP3, and Calendar Users
Mozilla Thunderbird 135 rolls out with new add-on support, improved OAuth2 for CardDAV, and key bug fixes (only for testing purposes).