This topic describes the release notes for earlier versions of Message Queue for MQTT.
For information about the release notes for later versions of Message Queue for Apache RocketMQ, see Release notes.
2021-11-08
| Feature | Description | Type | References |
|---|---|---|---|
| Cloud SDK for Java V1.0.4 (server-sdk-1.0.4.Final) | The version of the | Optimized feature | Release notes |
2021-11-01
| Feature | Description | Type | References |
|---|---|---|---|
| Cloud SDK | The cloud SDK is provided by Message Queue for MQTT. The cloud SDK allows backend applications in the cloud to connect to Message Queue for MQTT without the need to use other Alibaba Cloud services. The cloud SDK supports the clustering consumption of messages. Messages can be consumed by different backend applications on which the cloud SDK is installed. Note If you cannot use the cloud SDK to access Message Queue for MQTT, contact Message Queue for MQTT technical support. | Added feature |
2021-05-27
| Feature | Description | Type | References |
|---|---|---|---|
| API operations for querying traces | The traces of a device on which a Message Queue for MQTT client is installed can be queried. The messages that are sent from and to a device on which a Message Queue for MQTT client is installed can be queried. The traces of a message can be queried. | Added feature |
2021-03-16
| Feature | Description | Type | References |
|---|---|---|---|
| Subscription cleanup | Subscription relationships can be cleared for a specific topic in the Message Queue for MQTT console. If a consumer is offline after the specified threshold, Message Queue for MQTT deletes the subscriptions between the consumer and the topic. | Added feature | Clear subscriptions for a topic |
2021-03-08
| Feature | Description | Type | References |
|---|---|---|---|
| New version of the console | The Message Queue for MQTT console is updated to improve user experience. | Optimized feature |
2021-02-01
| Feature | Description | Type | References |
|---|---|---|---|
| Unique-certificate-per-device authentication |
| Added feature |
2020-09-16
| Feature | Description | Type | References |
|---|---|---|---|
| Change of the billing method from subscription to pay-as-you-go | The billing method of a Message Queue for MQTT instance can be changed from subscription to pay-as-you-go. | Added feature | None |
2020-08-18
| Feature | Description | Type | References |
|---|---|---|---|
| API operation for sending messages from a cloud application | The API operation for sending messages from a cloud application is added. | Added feature | SendMessage |
| API operation for querying the status of Message Queue for MQTT clients | The status of one or more Message Queue for MQTT clients can be queried at a time. | Added feature |
2020-07-23
| Feature | Description | Type | References |
|---|---|---|---|
| Kernel version upgrade | The versions before and after the kernel version of an instance is upgraded are differentiated. The versions before the upgrade are classified as V2.x.x, and the versions after the upgrade are classified V3.x.x. | Added feature | Changes in instance management |
| Rules for data exchanges across services |
| Added feature | |
| Independent storage | In V3.x.x and later, 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 data exchange rules. Message Queue for MQTT V3.x.x provides separate API operations that can be called to manage topics. | Added feature |
2020-04-23
| Feature | Description | Type | References |
|---|---|---|---|
| OpenAPI | Tokens can be obtained by calling API operations. | Added feature | List of operations by function |