Contao 5.3.8, a new version of the Contao open source CMS, has been released.

This release fixes various errors that affect the operation of Contao. An update is therefore strongly recommended. Among other things, the incorrect start of background workers has been fixed, which should now run normally again. In addition, a concept problem with the permissions has been adjusted so that the duplication of content including its child elements now also works again. Furthermore, various errors during the migration from Contao 4.13 to Contao 5.3 have been fixed and the undo function has been improved. Twig has also received some adjustments, so there is now a deserialize filter and it is now allowed to use hyphens in Twig template file names everywhere again.

Changelog of the fixed issues in Contao 5.3.8:

About Contao 5.3 LTS

The first stable version of Contao 5.3 has been released on February 16, 2024, replacing Contao 4.13 as the long term support version. As an LTS version, 5.3 will be provided with bug fixes until February 14, 2027 and security-related updates until February 14, 2028. Contao 5.7 will be the next LTS version of Contao and will be released in February 2026, ensuring a stress-free transition.

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