NanoMQ 0.7.2 changelog:
New MQTT V5 features: (Topic alias & Subscription Identifier & Retain As Published & Retain handling)
New Data persistence database: SQLite3 as data persistence option for QoS message.
New feature for bridging connection: the bridging client will store QoS message in SQLite if the ACK is missing.
New nng/ZeroMQ messaging proxy: convert message between nanomsg/nng(Pub/Sub & Pair1/Pair0) or ZeroMQ (Pub/Sub) to MQTT bidirectional.
Demo version of MQTT WebHook.
Fix MQTT v5 compatibility in TLS/WEbsocket port.
Optimize the zero-copy feature.
Fix data racing in mutex & message lost when exceeding the max limit of lmq(msq_len).