Support the "HAVING" command in the `Model\QueryBuilder` class (see #6446)
Add a `getModel()` method to modules, elements and hybrids (see #6492)
Convert slashes to hyphens in the `standardize()` function (see #6396)
Added a `DcaLoader` class to decouple the DCA loading process (see #5441)
Use the server's default time zone in the `config/defaults.php` file (see #6449)
Also handle `&` and `.` in the `standardize()` method (see #6396)
Do not combine .js and .css files when running in debug mode (see #6450)
Support editing the front end preview page via the "url" parameter (see #6471)
Change the input field type of the back end search field to "search" (see #6455)
Make the `Controller::get*()` methods public static (see #6351)
Cleanup the `Module::renderNavigation()` method (see #6624)
Merge the „newsarchive“ and „newsarchive-empty“ templates
Merged the "newsarchive" and "newsarchive_empty" templates (see #6647)
Merge branch 'feature/merge-news-archive-empty' into develop
Remove the `DataContainer::load()` method (see #5441)
Added a markdown content element (see #6052)
Add the model relations to `tl_module.form` (see #6742)
Enable the maintanance mode by default (see #6758)
Load the `contao/php-diff` vendor library via Composer
Load the `contao/tcpdf` library via Composer