The traditional built-in upgrade path between major versions of Drupal has never been very flexible or extensible. This all changes with Drupal 8 as the popular Migrate and Drupal-to-Drupal data migrations modules are in the process of been rewritten and included as part of Drupal 8 core. 

This session will provide an overview of the architecture, a demonstration of a sample migration, an update on the current progress, and some time for Q&A.