tencent cloud

TDSQL Boundless

Release Notes

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마지막 업데이트 시간: 2026-04-24 15:41:12

April 2026

Update
Description
Documentation
Dedicated Cluster Now Supports Disaster Recovery Instances
The dedicated clusters of TDSQL Boundless now support the creation of disaster recovery instances, enabling you to establish disaster recovery within the same cluster or across clusters. The disaster recovery creation process, recovery capabilities, and upgrade experience have also been optimized.
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Kernel Update
TDSQL Boundless officially launches version 21.2.5. This version primarily optimizes connection stability during vertical scaling, adds a rolling upgrade protection mechanism, and overall enhances system stability and reliability.

March 2026

Update
Description
Documentation
Parameter Configuration Feature Update
The parameter list supports dynamically reading kernel configuration, synchronizing the default values and value ranges of parameters in real time, ensuring that the display is consistent with kernel features, thereby improving the accuracy of parameter management.
Kernel Update
TDSQL Boundless officially launches version 21.2.4. This version focuses on performance optimization and stability improvements, adds features such as Non-blocking/Preemptive DDL, batch DML optimization, large partitioned table DDL acceleration, and partitioned table metadata memory optimization, and fixes 60+ known issues, while also supporting the TiDB one-click migration tool.

February 2026

Update
Description
Documentation
Kernel Update
TDSQL Boundless officially launches version 21.4.1, which adds a complete data migration solution from HBase to TDSQL Boundless.
Kernel Update
TDSQL Boundless officially launches version 19.2.8, with optimizations for MC metadata caching issues.

January 2026

Update
Description
Documentation
Kernel Update
TDSQL Boundless officially launches version 21.2.3. This version focuses on performance and stability optimizations, specifically targeting scenarios such as parallel and batch execution, and DDL operations. Besides, the new version also introduces the SavePoint and Batch Limit features.
Enhanced Instance Type Release
TDSQL Boundless has launched enhanced instances with higher CPU performance. The original general-purpose instances are sold out and no longer available for new purchases, while existing instances still support scaling out.

December 2025

Update
Description
Documentation
Kernel Update
TDSQL Boundless officially launches version 21.4.0. This preview version offers full compatibility with HBase data formats and APIs.
New: Replica Mode Conversion
TDSQL Boundless now supports online conversion of replica modes for existing single available zone instances. You can flexibly switch between 3 replicas and 2 replicas to match your requirements.
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Support for shipping database audit logs to CLS
TDSQL Boundless Database Audit supports shipping logs to Cloud Log Service (CLS), enabling the collection of database audit logs from instances and their delivery to CLS for centralized management and analysis.
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November 2025

Update
Description
Documentation
Kernel Update
TDSQL Boundless released versions 21.2.1 and 21.2.2, enhancing database performance and stability.
Analysis Engine Kernel Update
TDSQL Boundless released versions 21.3.1 and 21.3.2, optimizing columnar storage memory control and enhancing stability.

October 2025

Update
Description
Documentation
Analysis Engine Enters Private Preview
TDSQL Boundless released version 21.3.0, which supports a read-only analytical engine offering columnar storage and vectorized computation acceleration.
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Product Renaming
Starting from October 2025, Tencent Cloud's "TDSQL for MySQL (TDStore Engine)" has been renamed to "Distributed Database TDSQL Boundless".
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September 2025

Update
Description
Documentation
New Region Support
TDSQL for MySQL (TDStore Engine) is now officially launched in the Nanjing region.
Optimizing Slow Query Logs
TDSQL for MySQL (TDStore Engine) supports sorting slow query details by multiple fields.
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Analysis Engine Supports Independent Version Upgrade
TDSQL for MySQL (TDStore Engine) supports independent version upgrades for the Analytics Engine.
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Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 21.2.0, enhancing database stability.
Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 21.1.0,supporting cost-based optimization for point and range queries, and RG merging.
Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 20.1.4, enhancing database stability.

August 2025

Update
Description
Documentation
New Region Support
TDSQL for MySQL (TDStore Engine) is now officially available in the Tokyo region, with support for purchasing and deploying instances in Tokyo Zone 1.
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New Instance Specs and Types
TDSQL for MySQL (TDStore Engine) New Instance Specifications and Types:
2 replicas instances are now supported, reducing costs while maintaining multi-AZ disaster recovery.
Added two large-scale local disk configurations: 24-core 48GB/8000GB and 48-core 96GB/12000GB.
Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 20.1.3, enhancing database stability.
Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 19.2.7, enhancing database stability.

July 2025

Update
Description
Documentation
Enhanced Disaster Recovery
Added a feature to forcefully disconnect disaster recovery connections for TDSQL for MySQL (TDStore Engine).
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Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 20.1.2, enhancing database stability.
Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 19.2.6, enhancing database stability.

June 2025

Update
Description
Documentation
Kernel Update
TDSQL for MySQL (TDStore Engine) has released versions 20.1.0 and 20.1.1, supporting explicitly creating affinity policies for Key partitions, enhancing database stability.
Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 19.2.5, enhancing database stability.

May 2025

Update
Description
Documentation
Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 21.0.0, upgrading the storage engine from RocksDB 5.18.3 to version 8.11.3, and adding a columnar analytical engine.
Kernel Update
TDSQL for MySQL (TDStore Engine) has released versions 20.0.1 and 20.0.2, enhancing database stability.
Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 19.2.4, enhancing database stability.

April 2025

Update
Description
Documentation
New: Binlog Subscription
TDSQL for MySQL (TDStore Engine) is compatible with the standard MySQL Binlog Dump protocol. After Binlog is enabled, you can continuously subscribe to incremental data changes from the time it is enabled.
Enhanced Disaster Recovery
TDSQL for MySQL (TDStore Engine) supports establishing disaster recovery instances by cloning instances in the same region or across regions, enhancing database availability.
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New: Scheduled Scaling
TDSQL for MySQL (TDStore Engine) supports periodic and scheduled raising/lowering of node specifications and adding/reducing of the number of nodes to handle business peaks and troughs.
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Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 20.0.0, supporting explicit management of data affinity policies via SQL, enhancing OnlineDDL performance, and adapting to community Binlog features and syntax.

March 2025

Update
Description
Documentation
Kernel Update
TDSQL for MySQL (TDStore Engine) has released versions 19.2.1, 19.2.2, and 19.2.3, enhancing database stability.

January 2025

Update
Description
Documentation
New: In-Place Scaling
TDSQL for MySQL (TDStore Engine) supports in-place configuration changes and primary AZ configuration.
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Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 19.2.0, adding the database table recycle bin feature, optimizing the performance of BATCH batch operations, and enhancing the stability of OnlineDDL.

December 2024

Update
Description
Documentation
Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 19.1.0, which is compatible with the Binlog Dump protocol.
Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 19.0.1, enhancing database stability.

November 2024

Update
Description
Documentation
New: Same-Region Disaster Recovery
TDSQL for MySQL (TDStore Engine) supports creating disaster recovery instances in the same Region.
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Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 19.0.0, featuring distributed deadlock detection, FastOnlineDDL, and enhanced parallel query performance optimization.
Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 18.3.1, enhancing database stability.

October 2024

Update
Description
Documentation
Backup and Recovery Enhancements
TDSQL for MySQL (TDStore Engine) has added a feature for backup overview and long-term backup policy.
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Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 18.2.1, enhancing database stability.

September 2024

Update
Description
Documentation
Support for Setting Primary AZ
3 AZ instances of TDSQL for MySQL (TDStore Engine) now support setting a primary availability zone, allowing you to optimize for performance or resource utilization as needed.
Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 18.2.0, enhancing database stability.

August 2024

Update
Description
Documentation
Disaster Recovery Mode Upgrade
TDSQL for MySQL (TDStore Engine) now supports adjusting the instance disaster recovery mode, allowing you to expand a single AZ, three replicas deployment to a 3AZ, three replicas deployment for cross-AZ high availability.
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Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 18.1.0, supporting separate disk storage for logs and user data, optimizing batch deletion and instance initialization processes, and enhancing the stability of storage and migration tools.

July 2024

Update
Description
Documentation
Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 18.0.1, enhancing database stability.

June 2024

Update
Description
Documentation
Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 18.0.0, introducing a distributed transaction lock view, switching to physical file copy for data migration, and significantly accelerating data migration speed through replicas.
Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 17.1.3, enhancing database stability.

May 2024

Update
Description
Documentation
Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 17.1.2, enhancing database stability.

April 2024

Update
Description
Documentation
Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 17.1.1, enhancing database stability.

March 2024

Update
Description
Documentation
New: Instance Version Upgrade
TDSQL for MySQL (TDStore Engine) has added a version upgrade feature that supports rolling upgrades of instances to new versions.
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Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 17.1.0, supporting performance optimization and stability improvement for different CPU architectures.

January 2024

Update
Description
Documentation
Support for Single-AZ to Multi-AZ Expansion
TDSQL for MySQL (TDStore Engine) now supports expanding 1 AZ instance to a 3AZ deployment for cross available zone high availability.
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Kernel Update
TDSQL for MySQL (TDStore Engine) has released version 17.0.0, supporting features such as flashback query and statistics optimization.

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