Contao 4.9.17, a new version of the Contao open source CMS, has been released.

This release contains GDPR relevant improvements! The old log entries were previously only deleted when the back end was accessed. Now, this is done via a cronjob to reliably clean up obsolete data. Also improved in this release is the cleanup of orphaned records for DCA mode 5 (page structure). In other news, the edit multiple mode in the file management now works correctly and the integration of Symfony Forms has been simplified for developers. There were also further optimizations to caching and PHP 8 compatibility.

Why is there a bugfix release published shortly before a security vulnerability is closed?

When Contao 4.9.6 was released, we did not have this separation yet. There were problems with the update via the Contao Manager as well as bugs that had to be fixed the next day in a new version 4.9.7. Therefore, the core team decided not to mix security and bugfix versions anymore. Security releases will henceforth contain only the changes necessary to close the vulnerabilities.

Changelog of the fixed issues in Contao 4.9.17:

About Contao 4.9 LTS

The first stable version of Contao 4.9 has been released on February 18, 2020, replacing Contao 4.4 as the long term support version. As an LTS version, 4.9 has been be provided with bug fixes until February 14, 2023 and security-related updates until February 14, 2024. Contao 4.13 was the next LTS version of Contao and has been released in February 2022, ensuring a stress-free transition.

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