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).
1. Cozying up to new content modeling language 2. Learning Twig, the brand new theme engine 3. Site Builders Must Think About the Content Administrator Experience 4. Developers, Start Training 5. Overcoming Contrib Module Anxiety