Modules

Call actions on referenced entities.

Enable via form display settings.

Only usable via edit form.

CRUD UI for entity references.

Entity structure overview.

Book navigation buttons.

Provides a form widget to create/edit referenced entities.

Without this, the built in reference field can only set the title.

Symfony email subsystem.

Allow configuring title in field display.

New experimental core module in Drupal 10.1.

/components directory in theme contains component subdirectories with twig template, css, and js libraries.

Configurable workflows to respond to system events, check conditions, and trigger actions.

BPMN IO module provides a robust UI for building workflows.

Override field labels on entity forms.