Drupal Sprint Sofia
Global Drupal Sprint weekend 2015 comes to Sofia!
Everyone is welcome; if you have built a site in Drupal, you can contribute. We will work on Drupal core issues. Bring your laptop. If possible, install git before coming and git clone Drupal 8 core.
This event is part of the global sprint that will happen all over the world, see details at https://groups.drupal.org/