We've been posting blogs about Drupal for over 10 years at OSTraining, and so every once in a while someone finds an old blog post from Drupal 6 or even Drupal 7 and asks a question. Well that's exactly what happened this week when somebody asked
This article assumes a basic knowledge of the building of custom modules, the Drupal 8 / 9 Migration system, and the processes behind creating customised migrations from a previous version of Drupal.