Introduced in Drupal 10.1, SDC allows you to bundle all assets (Twig, CSS, JS, and metadata) in one folder . This reduces "template scattering" and makes components easier to reuse and debug .
: The .info.yml file remains the heart of your theme, defining metadata, regions, and core version requirements. Modernizing means properly defining core_version_requirement: ^10 and utilizing the libraries key to manage assets efficiently. 2. Component-Driven Development with SDC modernizing drupal 10 theme development pdf
my_theme/ └── components/ └── card/ ├── card.twig ├── card.css ├── card.js └── card.component.yml Use code with caution. The Power of card.component.yml Introduced in Drupal 10
Use optimized filters like |render and |safe_join . Theme Hook Suggestions Introduced in Drupal 10.1