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

September 16, 2020

Feature Description Type Related topic
Switching the billing method from subscription to pay-as-you-go A subscription instance of Message Queue for MQTT can be switched to a pay-as-you-go instance. New Switch the billing method from subscription to pay-as-you-go

August 18, 2020

Feature Description Type Related topic
Cloud API operation for sending messages The cloud API operation for sending messages is added. New SendMessage
Client status query The status of one or more Message Queue for MQTT clients can be queried at a time. New

July 23, 2020

Feature Description Type Related topic
Upgrade the kernel version Differences before and after the kernel version of an instance is upgraded are distinguished. The versions before the upgrade are unified to V2.x.x and those after the upgrade are unified to V3.x.x. New Instance usage changes
Cross-service data exchange rules
  • Data is exchanged across cloud services by using rules, including data inbound rules, data outbound rules, and rules for client status notification.
  • Rules can be managed in the console or by calling API operations.
New
Independent storage Since V3.x.x, Message Queue for MQTT no longer uses Message Queue for Apache RocketMQ to store messages, 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 separate API operations to manage topics. New

April 23, 2020

Feature Description Type Related topic
API Tokens can be obtained by calling API operations. New List of operations by function