Large-scale migrations from D7 to D9 with Pantheon and Evolving Web

Evolving Web recently completed a sizable Drupal migration for the University of Waterloo and is excited to share their approach, the lessons they learned, and some practical advice for executing Drupal migrations at scale.

Hear how Evolving Web used several Pantheon platform features extensively — including Custom Upstreams, Multidev and Terminus Scripting — to automate the migration process, while realizing the time-saving benefits of WebOps best practices.

What you’ll learn:

• How to plan, resource, and execute a large-scale migration project
• How to to streamline the process when migrating hundreds of sites
• How to migrate themes and modules to be D9 compatible