Why does DFU service and one of its characteristics have the same UUID?

Why does DFU service and one of its characteristics have the same UUID?https://devzone.nordicsemi.com/f/nordic-q-a/21054/why-does-dfu-service-and-one-of-its-characteristics-have-the-same-uuidI have observed that the "Experimental Buttonless DFU Service" and its characteristics has the same UUID. But in case of other services(like battery service) the UUID for the service and characteristics are not the same. Why does DFU have the same UUIDen-USTelligent Community 13Mon, 03 Apr 2017 12:59:10 GMTRE: Why does DFU service and one of its characteristics have the same UUID?https://devzone.nordicsemi.com/thread/82264?ContentTypeID=1Mon, 03 Apr 2017 12:59:10 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3f24ba62-06fc-439f-b27e-94db7752160abjorn-spockeli<p>This appears to be a bug in the SDK v12.x.x release and this has been fixed in SDK v13.0.0</p> <p>Best regards</p> <p>Bjørn</p><div style="clear:both;"></div>