Drupal 8 is the next major version of the Drupal content management system. Some key facts about Drupal 8 include that it has over 12,000 commits from over 2,000 developers. Drupal 8 focuses on improved user experience, accessibility, and mobile capabilities. It also includes new configuration management and improved entity and field systems. Drupal 8 utilizes modern frameworks like Symfony and Twig and is designed with a responsive and mobile-first approach. The expected release date for the stable version is mid-2015.