Wilhelm Foundation Migration from Drupal 8 to Drupal 9

Wilhelm Foundation is a Non-profit organization, whose goal is to diagnose the children of all ages who are suffering from undiagnosed diseases. They work towards the finding cause and effects of the problems which are not founded by medical science yet, to be precise the diseases which are not identified in any medical test reports. For discovery of new diseases and solving the enigma, they bring-up leading specialists together from different corners of the world. On considering the goal of the project and challenges of early release to Drupal 9, it was important to consider all module migration into account. In addition, to move the website to new hosting was an equally exigent task to deal with. Listed things were to be part of challenged requirement: Contrib modules port from D8 to D9 (Whether it is ported by maintainer or not) Theme compatibility check with D9 All deprecated code removal in custom modules