Deprecated function: session_set_save_handler(): Providing individual callbacks instead of an object implementing SessionHandlerInterface is deprecated in drupal_session_initialize() (line 245 of includes/session.inc).
Deprecated function: Creation of dynamic property alpha_theme_container::$delta is deprecated in alpha_theme_container->__construct() (line 25 of sites/all/themes/contrib/omega/alpha/includes/base.inc).
Drupal 8 Lessons Learned: Our New D8 Site | FFW Blog | FFW
we built it in Drupal 8. FFW made this decision because of our commitment to Drupal, since Drupal 8 represents an important next step in the evolution of digital experience delivery.