WordPress 4.0 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
WordPress 4.0 reached end of life on 18 Dec 2014. It no longer receives security fixes.
4,252 days without security patches
Recommended action: upgrade to WordPress 7.0. Check your versionwp core version
Support timeline
Official dates from the WordPress release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 4 Sept 2014 | — |
| End of life | 18 Dec 2014 | 11.6 years ago |
| Latest release | 4.0.38 · 30 Nov 2022 | final |
Where to go from 4.0
Recommended target: WordPress 7.0.
The newest actively supported branch is WordPress 7.0 (latest release 7.0.3).
Frequently asked questions
Is WordPress 4.0 still safe to use?
WordPress 4.0 reached end of life on 18 Dec 2014, 4,252 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download WordPress 4.0?
Yes — the final release (4.0.38) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade WordPress 4.0 to?
Upgrade to WordPress 7.0, the newest actively supported branch.
All WordPress versions
7.0 supported 6.9 EOL 2026 6.8 EOL 2025 6.7 EOL 2025 6.6 EOL 2024 6.5 EOL 2024 6.4 EOL 2024 6.3 EOL 2023 6.2 EOL 2023 6.1 EOL 2023 6.0 EOL 2022 5.9 EOL 2022 5.8 EOL 2022 5.7 EOL 2021 5.6 EOL 2021 5.5 EOL 2020 5.4 EOL 2020 5.3 EOL 2020 5.2 EOL 2019 5.1 EOL 2019 5.0 EOL 2019 4.9 EOL 2018 4.8 EOL 2017 4.7 EOL 2017 4.6 EOL 2016 4.5 EOL 2016 4.4 EOL 2016 4.3 EOL 2015 4.2 EOL 2015 4.1 EOL 2015 4.0 EOL 2014 3.9 EOL 2014 3.8 EOL 2014 3.7 EOL 2013 3.6 EOL 2013