Come together with the global Drupal community in Rotterdam, 28 Sept – 1 Oct 2026. Sessions, contribution, connection, and Early Bird savings until 8 June.CSS Cleanup
NOTE: The relatively small amount of unfinished work in this cleanup has stalled. A new effort to finish the CSS cleanup is underway over at
Contributing to the HTML5 Initiative
The HTML5 initiative is still in the early stages of planning, and this page is very much a work in progress. Updated information will be
Guiding Principles
Below are the principles we will follow when developing HTML5 functionality for Drupal.
HTML5 Fork [Sandbox] repository
The HTML5 Initiative is NOT using a sandbox. We're using the normal core development process.
HTML5 Initiative
HTML5 is one of five major initiatives Dries has outlined for Drupal 8 development. You can read the initiative announcements here:
Implement Form API support for new HTML5 elements
Overview
JavaScript fallback for HTML5 elements in non-supported browsers
Overview
Re-factor templates and theme functions to use new HTML5 elements
Overview
Rich media handling with <video> and <audio>
One of the major advancements introduced with HTML5 is the ability to embed rich media within a web page using the and tags. With the
WAI-ARIA Roles
Introduction
