I haven´t found a possibility to use persistent session which is highly interesting for IoT projects. Is there any plan if or when it will be integrated?
Persistent Session on this client library already integrated with QoS 1/2. You can find persistent and publish release source code on mqttqostest.ino:)
I haven´t found a possibility to use persistent session which is highly interesting for IoT projects. Is there any plan if or when it will be integrated?