Mozilla Thunderbird Desktop
All Thunderbird Desktop releases at a glance: release dates, number of versions, latest version, LTS status and the end-of-life (EOL) visualisation
All supported productsFree Versio.io trialWhat is Thunderbird Desktop?
Thunderbird is a free, open-source email client developed by the Mozilla Foundation
for managing email, calendars, contacts, and tasks. It supports multiple email accounts
and common protocols such as IMAP, POP3, and SMTP, making it suitable for both personal
and professional use.
Thunderbird Desktop release and version history
| Release | Release date | Versions | Latest version | Latest version date | LTS |
|---|---|---|---|---|---|
| Extended support release | 2024-05-01 | 93 | 153.6.0esr | 2026-10-27 | Yes |
| Rolling release | 2013-09-17 | 268 | 159.0 | 2026-10-27 | No |
Data as of 5 November 2026. Dates in ISO format (YYYY-MM-DD). Source: Versio.io product release & end-of-life database.
The entire lifecycle of the product Thunderbird Desktop
Facts and figures about Thunderbird Desktop
| Product | Thunderbird Desktop |
|---|---|
| Vendor | Mozilla |
| Latest version | 159.0 |
| Number of releases | 2 |
| Number of versions | 361 |
| Number of unstable versions | 0 |
| Number of versions affected by CVE | 194 |
| Version command | winget list --id Mozilla.Thunderbird |
| Wikipedia | https://en.wikipedia.org/wiki/Mozilla_Thunderbird |
Frequently asked questions about Mozilla Thunderbird Desktop end of life
What is the latest version of Mozilla Thunderbird Desktop?
The latest version of Mozilla Thunderbird Desktop is 159.0, released as part of the Rolling release release on 27 October 2026.
Does Mozilla Thunderbird Desktop have a fixed end-of-life schedule?
No. Mozilla Thunderbird Desktop does not publish fixed end-of-life dates. It follows a "latest version" model: only Rolling release is considered current. Earlier release lines (Extended support release) remain usable but are superseded and no longer the recommended version.
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