Drupal 9 is nearly here, with the promise of allowing the same contributed and custom code to work in both Drupal 8 and Drupal 9. This presentation will discuss some of the practical aspects of making that happen for custom and contributed code maintainers.

The session will begin with a very brief overview of the current state of Drupal 9. It will then give a brief overview of how to prepare both custom and contributed code right now so that it is ready for Drupal 9 when it is released.

We …