
As always, this release includes all bug fixes from the latest 5.3.40. In addition, several bugs in the new Twig layout have been fixed and the display of content elements and form fields has been improved. The accessible navigation can now be customized more easily with CSS variables, several back end bugs have been fixed as well.
Changelog of the fixed issues in Contao 5.6.3:
- #8691 Use the locale switcher to set the user language (fritzmg)
- #8894 Do not double-encode the operation title (aschempp)
- #8758 Add more custom properties for the accessible navigation (zoglo)
- #8823 Improve the `DC_Folder` permission checks and use the operation builder (aschempp)
- #8773 Fix the legacy header buttons layout (aschempp)
- #8760 Make the accessible navigation breakpoint adjustable (zoglo)
- #8878 Show the titles in the fragment list view (fritzmg)
- #8892 Map the backup object to file names (zoglo)
- #8855 Display the form field label if the widget is missing (fritzmg)
- #8886 Fix the `datetime` types in the Doctrine entities (fritzmg)
- #8777 Harden against deleted templates when analyzing slots (m-vo)
- #8858 Fix the main headline styling in regular back end controllers (fritzmg)
- #8854 Use a pointer cursor for the preview toolbar toggle (fritzmg)
- #8866 Hide the content element preview if it's empty (fritzmg)
- #8841 Handle having no request in the scope matcher (m-vo)
- #8843 Make the "share preview link" operation primary (Toflar)
- #8824 Reduce the jobs polling interval to 5 seconds (Toflar)
- #8822 Fix a regression with the limit height toggle not being colored on hover (zoglo)
- #8820 Add operation list attributes to hide the limit height toggle by default (aschempp)
- #8812 Move the preview toolbar into the shadow DOM (zoglo)
- #8810 Preload the reader modules (ausi)
- #8768 Fix the Stimulus color picker preview (zoglo)
- #8788 Ensure no-op when the back end search is not available (Toflar)
- #8790 Prefetch the source editor links (aschempp)
- #8793 Use the media range query in the flexible theme (zoglo)
- #8784 Only set the request format when rendering a Turbo stream template (m-vo)
- #8775 Also apply cache headers in Twig layouts (m-vo)
About Contao 5.6
The first stable version of Contao 5.6 has been released on 18 August 2025 and has been the successor of Contao 5.5. 5.6 will be updated until 14 February 2026, after which it will be replaced by Contao 5.7.