This topic describes the new features, feature optimizations, important bug fixes, and related documents involved in each release of Message Queue for MQTT, to help you understand the updates of Message Queue for MQTT.


New feature Description Type References
Message sending operations Added the APIs for sending messages to the cloud. New SendMessage
MQTT client status query Supports querying the status of a single MQTT client or multiple MQTT clients in batches. New


Feature Description Type References
Upgraded the instance kernel version Differences between the versions before and after the upgrade are described. The version numbers before the upgrade are unified to V2.x.x, and those after the upgrade are unified to V3.x.x. Added Instance usage changes
Cross-service data exchange rules
  • Data exchange rules across cloud services are implemented, including data inbound rule, data outbound rules, and client status notification rules.
  • Rule management by using the console and OpenAPI is supported.
Independent storage Starting from V3.x.x, Message Queue for MQTT is not dependent on Message Queue for Apache RocketMQ for implementing message storage, and topics of the two services are no longer interconnected by default. To exchange data between the two services, you must create and use rules.Message Queue for MQTT Message Queue for MQTT V3.x.x provides a separate OpenAPI to manage topics. Added


Feature Description Type References
OpenAPI You can use the OpenAPI to obtain tokens. Added API overview