Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
CiviCRM 4.7.24 on Drupal
Since updating to 4.7.24, no groups appear in the recipient list
I'm not sure this was a real problem. I cleared all Drupal caches and then it worked.
Required, but never shown