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Thunderbird
CommunicationFree email, calendar, and chat client — release and ESR channels
Latest versions
Stable
WindowsmacOSLinux
155.0Enterprise Stable
WindowsmacOSLinux
140.15.0esr| Detected | Change | Channel | Version | Platform |
|---|---|---|---|---|
| 2 Sep 2026, 11:10 | New version | Enterprise Stable | 140.15.0esr | Linux |
| 2 Sep 2026, 11:10 | New version | Enterprise Stable | 140.15.0esr | macOS |
| 2 Sep 2026, 11:10 | New version | Enterprise Stable | 140.15.0esr | Windows |
| 2 Sep 2026, 11:10 | New version | Stable | 155.0 | Linux |
| 2 Sep 2026, 11:10 | New version | Stable | 155.0 | macOS |
| 2 Sep 2026, 11:10 | New version | Stable | 155.0 | Windows |
| 26 Aug 2026, 11:06 | New version | Enterprise Stable | 140.14.1esr | Linux |
| 26 Aug 2026, 11:06 | New version | Enterprise Stable | 140.14.1esr | macOS |
| 26 Aug 2026, 11:06 | New version | Enterprise Stable | 140.14.1esr | Windows |
| 19 Aug 2026, 11:03 | New version | Enterprise Stable | 140.14.0esr | Linux |
| 19 Aug 2026, 11:03 | New version | Enterprise Stable | 140.14.0esr | macOS |
| 19 Aug 2026, 11:03 | New version | Enterprise Stable | 140.14.0esr | Windows |
| 19 Aug 2026, 11:03 | New version | Stable | 154.0 | Linux |
| 19 Aug 2026, 11:03 | New version | Stable | 154.0 | macOS |
| 19 Aug 2026, 11:03 | New version | Stable | 154.0 | Windows |
| 12 Aug 2026, 11:01 | New version | Stable | 153.0.3 | Linux |
| 12 Aug 2026, 11:01 | New version | Stable | 153.0.3 | macOS |
| 12 Aug 2026, 11:01 | New version | Stable | 153.0.3 | Windows |
| 5 Aug 2026, 10:58 | New version | Stable | 153.0.2 | Linux |
| 5 Aug 2026, 10:58 | New version | Stable | 153.0.2 | macOS |
| 5 Aug 2026, 10:58 | New version | Stable | 153.0.2 | Windows |
| 29 Jul 2026, 9:59 | New version | Stable | 153.0.1 | Linux |
| 29 Jul 2026, 9:59 | New version | Stable | 153.0.1 | macOS |
| 29 Jul 2026, 9:59 | New version | Stable | 153.0.1 | Windows |
| 28 Jul 2026, 10:29 | New version | Enterprise Stable | 140.13.0esr | Linux |
| 28 Jul 2026, 10:29 | New version | Enterprise Stable | 140.13.0esr | macOS |
| 28 Jul 2026, 10:29 | New version | Enterprise Stable | 140.13.0esr | Windows |
| 28 Jul 2026, 10:29 | New version | Stable | 153.0 | Linux |
| 28 Jul 2026, 10:29 | New version | Stable | 153.0 | macOS |
| 28 Jul 2026, 10:29 | New version | Stable | 153.0 | Windows |