Automation tools can provide a headstart in updating custom and contributed code in order to be Drupal-9 ready. Palantir.net is committed to increasing the coverage of these tools and is welcoming contributions.

Manually addressing deprecations in custom and contributed code is the most challenging part of upgrading to Drupal 9 and affects nearly every Drupal 8 site. The process is often more challenging than finding a deprecated function and replacing it with a new one; the challenge comes from …