Support Lifecycle
We track dependencies for the five most recent Mastodon branches to help administrators determine upgrade path and deployment options. Administrators should strive to run supported releases on supported platforms to give their users the best, and most secure, experience possible.

Any dependencies listed for development versions (nightly/alpha) of Mastodon are based on tracking the development process of the
main branch on GitHub and the project Discord.
These and are subject to change at any time as project requirements change.| Mastodon | Status | End of Life | |
|---|---|---|---|
| 4.6 | Development Branch | ||
| 4.5 | Supported Release | ||
| 4.4 | Supported Release | ||
| 4.3 | Pending EOL | 2026-05-06 | |
| 4.2 | End of Life | 2026-01-08 | |
| 4.1 | End of Life | 2025-04-08 | |
| 4.0 | End of Life | 2023-10-31 | |
| 3.x | End of Life | 2023-12-31 |
| Key | |
|---|---|
| Supported in this version | |
| End of life, use with caution | |
| Not supported in this version |
References: Mastodon Security Policy
For the purposes of this document, when applied to dependencies the term "End of Life" is standardized to mean when there are no further updates of any kind, and/or no support available for a released version of Mastodon or it's dependencies.
End of Life versions of Mastodon do not receive any features, bug fixes, and generally no security updates except at the discretion of the development team.