https://www.drupal.org/project/ui_skins/issues/3435933
Introducing dependencies between themes [#3435933] | Drupal.org
Jul 12, 2024 - Problem/Motivation UI Suite DSFR need to be able to validate 2 "themes" together, so they are suggesting to introduce a dependency system: system: label:...
introducingdependenciesthemesdrupal