As always, this release contains the bug fixes from the latest 4.13.44. In addition, a problem with duplicating pages has been fixed if a user only had access to certain pages or page trees. In addition, a problem with incorrect CSS classes in the new content elements has been fixed.
Changelog of the fixed issues in Contao 5.3.9:
- #7102 Invalidate the pagemounts cache in the back end access voter when duplicating a page (lukasbableck)
- #7197 Remove a redundant `strlen()` check (leofeyer)
- #7223 Correctly set the status code of the fallback route to 404 (veronikaplenta)
- #7214 Make Twig 3.10.2 the minimum requirement (leofeyer)
- #7202 Fix the CSS class of legacy templates in new elements and modules (veronikaplenta)
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.
