TYPO3 14.0.1, 13.4.21 and 12.4.40 fix Symfony incompatibility
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TYPO3 has released three maintenance updates. All of them fix a Symfony incompatibility that can affect Composer installations.
The TYPO3 core developers have released three new maintenance releases. All three versions fix an important problem with a Symfony dependency.
Which versions are affected?
The update affects all three active TYPO3 branches:
- TYPO3 14.0.1
- TYPO3 13.4.21 LTS
- TYPO3 12.4.40 LTS
The problem: Incompatibility with Symfony 7.4.0
All three releases are pure maintenance updates. The main reason for the release is an incompatibility with the Symfony component dependency-injection in version 7.4.0.
The issue may affect all Composer-based installations. If you manage TYPO3 via Composer, you should install the update as soon as possible.
Installation and update
No database migrations are necessary for the update. You can update as usual via Composer or download the packages directly from get.typo3.org.
You can find the complete release notes for each version in the official news.
Conclusion
If you run TYPO3 with Composer, the update is important. The incompatibility with Symfony 7.4.0 can lead to problems. The update is uncomplicated and possible without database changes.
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