Using Drupal 8 Entity Form Displays | by Charlotte Bone | Charlotte's Digital Web | Medium
Module on read-only volume - Drupal 9 - Drupal community
views - How to always show "read more..." link? - Drupal Answers
How to Set Permissions for Fields in Drupal 8 - OSTraining
A read only mode so that the security team could potentially recommend a course of action for sites that cannot be updated at the very moment a security fix is released [#2957061]