Works with CiviCRM 4.7 and should work on CiviCRM 5.0 or higher
Recalculates the recipients of a mailing just before it is sent.
Releases
Since CiviCRM 5.x, extension releases compatible with CiviCRM 5.0 are compatible with 5.0 and later. An extension release compatible with 5.25, for example, means that it requires CiviCRM 5.25 or later.