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TDMQ for MQTT

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ドキュメントTDMQ for MQTT

Release Notes

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最終更新日: 2026-04-02 10:17:07

December 2025

Update
Description
Release Date
Documentation
Platinum Edition launch
TDMQ for MQTT now offers a Platinum Edition featuring exclusive deployment of all components. With underlying components physically isolated, it is designed for message sending and receiving in large-scale production environments.
2025-12-23

November 2025

Update
Description
Release Date
Documentation
Message enhancement rules
Message enhancement rules are a configuration capability supported by the MQTT server. By setting rules, you can dynamically attach MQTT 5.0 properties to messages during publication based on configured conditions.
2025-11-20
Support for MQTT 5.0 properties in HTTP POST API
When MQTT messages are sent via the data plane HTTP POST API, the messages can carry MQTT 5.0 feature parameters.
2025-11-20
Client certificate search optimization
Filtering by a resource attribute and a combination of attributes is supported for the search box on the client certificate list page. Search by Certificate Organizational Unit (OU) and Certificate Common Name (CN) is added.
2025-11-20

October 2025

Update
Description
Release Date
Documentation
TLS version custom configuration
The TLS version policy configuration entry is open, allowing users to customize the server-side TLS protocol version for X.509 certificate authentication.
2025-10-17

September 2025

Update
Description
Release Date
Documentation
Shared subscription optimization
Shared subscription details display is enhanced, supporting viewing the detailed message backlog under shared subscription expressions.
2025-09-25
Message query optimization
Message details display is optimized to support the full display of User Property attributes in MQTT 5.0 protocol messages.
2025-09-25
Support for client rate limiting rules
Configuration of rate limiting rules for message publishing on the client is supported, enabling granular configuration and management of cluster specifications.
2025-09-25
New monitoring metrics
Monitoring metrics are added for the ShareName dimension in shared subscriptions. Advanced metrics related to public network, billing, and authentication are supported to enhance observability.
2025-09-25
Cluster deletion validation optimization
The display of remaining resource details within the cluster during instance destruction is optimized to facilitate user verification and review.
2025-09-25
Message trace optimization
The Client Type field is added to the client message trace list. Filtering is supported, with query results displayed in reverse chronological order by default.
2025-09-25
Custom management of public network ports
Public network ports can be enabled/disabled as needed to reduce security risks from port exposure in specific scenarios.
2025-09-25

August 2025

Update
Description
Release Date
Documentation
Support for client propagation attributes
Propagation attributes can be configured for a specific client via the API. These attributes subsequently propagate with messages and are converted into User Property of messages sent by the client. Customers can use this feature to add business context information to messages based on specific scenarios. When the MQTT trigger is integrated, functions can also be triggered based on specifically filtered propagation attributes.
2025-08-20
Multi-certificate support for clusters
When one-way or two-way authentication is enabled, a client can configure multiple custom certificates alongside the default server certificate, simultaneously using multiple server certificates for authentication.
2025-08-20
Display of invisible characters in topics
Invisible characters in topic names are now supported and displayed as escaped characters in the console, preventing message loss or routing errors caused by inconsistent character handling.
2025-08-20
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Display of subscription attributes
In the subscription list on the client details page, the subscription properties (User Property in SUBSCRIBE Properties) passed for subscriptions with different topic filters are displayed, enabling Ops personnel to trace subscription sources and quickly locate abnormal subscription behaviors.
2025-08-20
Topic aggregation monitoring
TDMQ for MQTT supports automatic topic creation by default, allowing users to send and receive messages without creating topics. User-created first-level topics are automatically converted into topic prefixes, enabling viewing of monitoring metrics under specified topic aggregations.
2025-08-20

July 2025

Update
Description
Release Date
Documentation
Shared subscription group management
Shared subscription is a load-balancing consumption method where multiple clients in the same consumer group distribute subscribed messages in a round-robin manner.
2025-07-20
Auto subscription
It allows preset subscription relationships to be automatically established when a client connection is created, based on rules configured in the console, without requiring the client to initiate a subscription or send a SUBSCRIBE packet.
2025-07-20

May 2025

Update
Description
Release Date
Documentation
Message query optimization
Exact search of up to 1024 messages after a specified time point based on topic names or topic filters is supported. The message details page displays MQTT 5.0 protocol properties such as User Property.
2025-05-30
Support for key features of the MQTT 5.0 protocol
The data plane supports MQTT 5.0 protocol features such as User Property, Subscription Options, Session Expiry Interval, and Shared Subscription, as well as various Reason Codes introduced in the 5.0 protocol.
2025-05-30
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Support for automatic topic creation
Topics are automatically created when messages are sent, eliminating the need for a client to create first-level topics before sending and receiving messages. The original first-level topics now only serve as aggregations for topic metrics. The non-standard concept of "first-level topics" will be phased out in future iterations.
2025-05-30
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April 2025

Update
Description
Release Date
Documentation
New monitoring metrics
Various monitoring metrics are added, including production, consumption, authentication, and authorization. Some metrics can be broken down to the topic prefix (first-level) and QoS level. These metrics can also be integrated with TCOP alarm management system.
2025-04-16
Client certificate status filter
(Only in the "one-device-one-certificate" scenario) Client certificates can be filtered by Expired or Expire Soon status, enabling users to clean up expired certificates in a timely manner to mitigate risks.
2025-04-16
Cloud API integration with Terraform
The MQTT-based cloud API is integrated with the Terraform platform, facilitating cross-platform migration and resource management.
2025-04-16

March 2025

Update
Description
Release Date
Documentation
Integration with Prometheus on TCOP
Integration with Cloud Monitor Prometheus metric collection is supported, allowing users to configure monitoring metrics from the console to their own Prometheus for more automated online Ops.
2025-03-31
Support for event display in the console
Display and query of certificate events and various client behavior events are supported, enabling users to view and analyze them conveniently.
2025-03-31

February 2025

Update
Description
Release Date
Documentation
Monitoring metrics integration with TCOP
Resources such as clusters and topics under the account can be monitored, enabling real-time analysis of cluster usage and alert configuration to help quickly identify risks and ensure stable system operation.
2025-02-10
Support for integration with function triggers
MQTT triggers can be configured on the function page to trigger specified functions, enhancing the upstream and downstream integration capabilities of MQTT. Customers can trigger function calls via MQTT messages.
2025-02-10
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December 2024

Update
Description
Release Date
Documentation
Commercial availability of TDMQ for MQTT
Starting December 26, 2024, TDMQ for MQTT has transitioned from public beta to official commercial availability and billing.
2024-12-26
Integration with external HTTP for authentication and authorization
Customers can use third-party HTTP(S) servers and relevant parameters for authentication and authorization.
2024-12-26
Support for message trace
The lifecycle of an individual message, including detailed information such as message production, storage, and consumption, can be queried.
2024-12-26
Rate limiting for security
Strict rate limiting can be implemented based on specifications, with limits on message TPS, client connections, subscriptions, and new connections per second.
2024-12-26
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Support for device trace
The query of client events within a specified time period is supported, such as online and offline status and connections.
2024-12-26
Client message backlog
Detailed client information, including the number of backlogged messages, can be viewed in the console.
2024-12-26
Support for shared subscriptions
Shared subscription as defined in MQTT 5.0 is supported, allowing multiple clients to subscribe to the same topic.
2024-12-26
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October 2024

Update
Description
Release Date
Documentation
Multi-protocol support
Messages can be sent and received using the WebSocket(S) protocol. Multiple access points (TCP/WS/TLS/WSS) can be viewed on the cluster details page.
For Pro Edition clusters, messages can be sent over HTTP(S).
2024-10-30
"One-device-one-certificate" feature
Authentication with a unique client certificate per device is supported, along with CA certificate management and manual/automatic registration and management of client certificates.
2024-10-30
Support for data plane authentication
Authentication policies can be created using the policy generator or policy syntax, enabling multi-dimensional authentication for message sending and receiving based on user, client ID, topic, and more.
2024-10-30
Support for authentication and authorization using JWT
The use of a third-party JWT server or JWKS statements is supported for authentication and authorization.
2024-10-30
Support for P2P message type
Sending independent messages from one client to another is supported.
2024-10-30
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April 2024

Update
Description
Release Date
Documentation
Topic information display
Second-level topics can be searched and their details and attributes are displayed on the topic details page.
2024-04-26
Client details display
In addition to subscription relationships, detailed sending and receiving data are now displayed for individual clients within the current session.
2024-04-26
Upstream and downstream data synchronization capability
Routing MQTT data to CKafka for further processing is supported.
2024-04-26
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Support for JWT authentication
Customers can use a third-party JWT server for authentication.
2024-04-26

March 2024

Update
Description
Release Date
Documentation
Targeted public beta initiated for TDMQ for MQTT
TDMQ for MQTT is compatible with the MQTT protocol as defined by open-source community standards, supporting zero-code migration for open-source community and mainstream MQTT clients. It enables visual management of clients and message topics, while enhancing stability, low latency, and high performance.
2024-03-26


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