Support for Drupal 7 is ending on 5 January 2025—it’s time to migrate to Drupal 10! Learn about the many benefits of Drupal 10 and find migration tools in our resource center.
Need to test that RChN (role_change_notify) works with Mail Editor, and the emails can be translated.
Most probably Mail Editor will not find the email subject and body from RChN, and have to implement some mail_edit hooks in RChN.
Please change to feature request if the mails can not be translated.