TYPO3 12
TYPO3-12TYPO3 · Release · TYPO3 CMS
No security fixes since · 195 days ago
TYPO3 12 stopped receiving security fixes on (195 days ago); general support continues until (in 1266 days).
- Released
- 3y 7mo ago
- End of software maintenance
- 6mo ago
- End of security support
- 6mo ago
- End of support
- in 3y 6mo
Lifecycle Milestones
| Released | 3y 7mo ago | |
|---|---|---|
| End of software maintenance | 6mo ago | |
| End of security vulnerability support | 6mo ago | |
| Last date of support | in 3y 6mo |
Is TYPO3 12 still maintained?
Not for security. TYPO3 stopped security fixes for TYPO3 12 on 2026-04-30; general support continues until 2030-04-30. A system on this release gets no patches for vulnerabilities disclosed after that date. Plan an upgrade to a maintained release. See TYPO3's lifecycle bulletin.
When do security fixes for TYPO3 12 stop?
TYPO3 stopped security fixes for TYPO3 12 on 2026-04-30. A system on this release cannot be patched against vulnerabilities disclosed after that date without upgrading.
What should I upgrade TYPO3 12 to?
Upgrade to a currently maintained TYPO3 release. Check TYPO3's release notes for the recommended version.
TYPO3 12 Release Lifecycle
TYPO3 12 is a release line of TYPO3 CMS. TYPO3 ships bug fixes until the end of active support and security fixes until the end of security support; after that, systems still running it must move to a supported release to stay patchable. The dates below are the published milestones for this release line. TYPO3 stopped security fixes for this release on ; general support continues until . Systems running it should be upgraded to a supported release.