Luca Lusso Modernizing Drupal 10 Theme Development May 2026

He replaced it with a modern, lean setup. He wrote a custom theme.libraries.yml that imported a single ES6 entry point:

“How?” the client asked, bewildered. luca lusso modernizing drupal 10 theme development

Monday morning, the editors logged in. The admin UI was untouched. But the front end? It felt like a new website. The designers could now edit a single .css file inside a component folder without fear of breaking the header. The developers thanked him for removing jQuery. He replaced it with a modern, lean setup

He updated his Drupal Slack status: “Modernizing Drupal themes, one component at a time. #SDC #Drupal10 #NoMoreSpaghettiCSS” He replaced it with a modern

The old theme relied on jQuery UI and a carousel plugin from 2014. Luca opened libraries.yml and grimaced. He deleted the entire jQuery block.