Breaking: #81735 - Get rid of sysext:sv

See Issue #81735


The AuthenticationService has been moved into system extensios core . Class aliases are in place and will be removed with TYPO3 v10.


The namespace of the classes AbstractAuthenticationService and AuthenticationService changed from \TYPO3\CMS\Sv to \TYPO3\CMS\Core\Authentication .

Affected Installations

All instances, that use or extend the mentioned classes.


Use the new namespaces as mentioned above.

More Information