Supported versions 

The table lists the compatibility of all versions with TYPO3 and PHP and which versions are still supported.

Cart TYPO3 PHP Support/Development
12.x.x 14.3 8.2 - 8.5 Features, Bugfixes, Security Updates
11.x.x 13.4 8.2 - 8.5 Bugfixes, Security Updates
10.x.x 12.4 8.1 - 8.5 Security Updates
9.x.x 12.4 8.1 - 8.4  
8.x.x 10.4, 11.5 7.2+  
7.x.x 10.4 7.2 - 7.4  
6.x.x 9.5 7.2 - 7.4  
5.x.x 8.7 7.0 - 7.4  
4.x.x 7.6 - 8.7 5.6 - 7.2  
3.x.x 6.2 - 8.7 5.6 - 7.0  
2.x.x      
1.x.x      

If you need extended support for features and bug fixes outside of the currently supported versions, we are happy to offer paid services.

Security 

Security updates are only provided for supported versions. Please do not report security issues in public GitHub issues or pull requests. Report them to the TYPO3 Security Team via security@typo3.org instead.