| Old Theme Feature | Modern Drupal 10 Replacement | |------------------|-------------------------------| | theme() function | Twig templates + hook_theme() for custom suggestions | | CSS sprites | SVG icons system + % include '@mytheme/icon.svg.twig' % | | Media queries breakpoints | breakpoints.yml + responsive image styles | | Custom grid system | CSS Grid + clamp() for fluid typography | | Manual cache busting | version: VERSION or version: 1.0.0 in libraries.yml |
php core/scripts/drupal generate-theme my_modern_theme It generates a minimal, accessible, modern theme with SDC structure out of the box. The PDF emphasized: Stop thinking “pages”, start thinking “components” . modernizing drupal 10 theme development pdf
“It works, but it’s slow, insecure, and a nightmare to maintain,” sighed Alex. “I need to modernize.” | Old Theme Feature | Modern Drupal 10
Alex especially loved (new in Drupal 10): “I need to modernize
Alex refactored a messy “Latest News” block into a reusable component: