Contao Open Source CMS 5.3.21

Contao 5.3.21, a new version of the Contao open source CMS, has been released.

This release contains improvements for the behavior of the breadcrumb in the back end with nested content elements. In addition, pages of root pages for which the maintenance mode has been activated are no longer listed in the sitemap.xml. Furthermore, empty languages can now be deleted in the metadata for files and the primary language (e.g. en for en_GB and en_US) is automatically added, even if there is no matching page tree. This means that only one fallback language can now be maintained without having to add a page tree with en.

Changelog of the fixed issues in Contao 5.3.21:

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 is the next LTS version of Contao and was released in February 2026, ensuring a smooth transition.

Bjarke Ammann

Bjarke takes care of the website and support. If you like reading, you might have come across his Contao Two Month Review or found an answer to your question in the official Contao user manual. He also makes sure that Contao enthusiasts from Switzerland meet regularly to exchange ideas. He loves culinary delights, good music and exercise in the fresh air.

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