Drupal 11.5

Drupal 11.5 introduces an important change for module developers and maintainers of installation profiles, recipes, and distributions: system actions for adding and removing roles are no longer automatically created through hook_user_role_insert().

The affected actions are:

Drupal 11.5 introduces an important change for theme developers: the .theme file extension has been deprecated.

Themes have traditionally placed procedural hooks and helper functions in a file such as:

Drupal 11.5 introduces Drupal 11.5 library ordering, a new feature that allows libraries to be loaded before or after another library without declaring a dependency. The new before and after keys make asset ordering cleaner, reduce unnecessary dependencies, and provide a more maintainable way to control JavaScript and CSS loading.

The Drupal 11.5 Route title property introduces a small but welcome improvement to the routing system. Route attributes now support a top-level title property, making route definitions cleaner and allowing simple dynamic page titles to be defined directly alongside the route.

Drupal 11.5 introduces another significant step toward modern PHP development by allowing form routes to be defined directly on form classes using PHP attributes.

Until now, every custom form required a corresponding entry in a module's .routing.yml file. With this new feature, many of those YAML definitions can be eliminated, making code easier to maintain and keeping route configuration close to the class it belongs to.