[](https://php.package.health/packages/typo3/cms-backend/v12.4.21)
2 total, 1 outdated
| Package | Required | Latest | Status | |
|---|---|---|---|---|
| psr/event-dispatcher | Standard interfaces for event handling. | ^1.0 | 1.0.0 | up to date |
| typo3/cms-core | TYPO3 CMS Core | 12.4.21 | v13.4.1 | outdated |
No required development dependencies.