Discourse 3.x — End of Life
EOLDiscourse 3.x — All releases
| Version | Released | Active support | EOL date | Latest patch | Status |
|---|---|---|---|---|---|
| 3.5LTS | Aug 19, 2025 | — | Jan 28, 2026 | 3.5.4 | EOL |
| 3.4LTS | Feb 4, 2025 | — | Aug 19, 2025 | 3.4.7 | EOL |
CVEs affecting Discourse 3.x (0)
Discourse 3.x is EOL — migrate to Discourse 2025.x
Discourse 2025.x is the next major release. Plan your upgrade before Discourse 3.x stops receiving security patches.
Frequently asked questions
Is Discourse 3 end of life?
Yes. All Discourse 3.x releases have reached end of life and no longer receive security patches. Migrate to Discourse 2025.x as soon as possible.
What CVEs affect Discourse 3?
No CVEs are currently tracked for Discourse 3.x in our database. This may mean no vulnerabilities have been recorded yet, or the data is still syncing.
What is the latest Discourse 3 version?
The latest Discourse 3.x patch release is 3.5.4, released on January 28, 2026. Always run the latest patch to benefit from all security fixes.
How to migrate from Discourse 3 to Discourse 2025?
To migrate from Discourse 3 to Discourse 2025: (1) review the official Discourse 2025 migration guide for breaking changes, (2) update dependencies and configuration accordingly, (3) test thoroughly in a staging environment, (4) deploy with a rollback plan. Starting early gives you time to resolve compatibility issues before your current version reaches end of life.
Is it safe to run Discourse 3 in production?
No. Discourse 3 has reached end of life and security vulnerabilities are no longer patched. Upgrade to a supported version immediately.
Data sourced from endoflife.date · CVE data from NVD · EPSS from FIRST.org · KEV from CISA