Introduction

These release notes contain information about new and changed functionality 

Notification Delivery Service (NDS)

 version 2.9.21 and related plug-ins. For more information on 

NDS

 or its related functionality, see the 

BlackBerry AtHoc

 Notification Delivery Service Installation and Configuration Guide

 and the related plug-in guides on docs.blackberry.com at the following URL: https://docs.blackberry.com/en/id-comm-collab/blackberry-athoc/delivery-services/latest.