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PolarDB:Feature release notes

Last Updated:Jul 15, 2026

This topic describes the product feature updates and related documentation of ApsaraDB for PolarDB Distributed Edition (PolarDB-X).

July 2026

Type

Description

References

New feature

Custom Connection Endpoint (New Version) - Added custom connection endpoint (new version) feature.

New feature

Standby Read Account - Added standby read account configuration support.

How to configure a replica read account

New feature

Intelligent Search (Search Engine) - Added intelligent search (Search Engine) with a full set of capabilities including index management, data writing and querying, and performance tuning.

June 2026

Type

Description

References

New feature

Native Vector Index - Added native vector index with support for similarity search.

New feature

PolarDB-X Zero - Released PolarDB-X Zero, targeted at lightweight scenarios.

PolarDB-X Zero

New feature

Long-term Memory Service mem0 - Added long-term memory service mem0, providing memory capabilities for AI applications.

Long-term Memory Service mem0

New feature

AI Function - Added AI Function, enabling direct invocation of large model capabilities in SQL.

AI Function

New feature

Low-cost Context Storage (External Columns) - Added external column storage, providing a low-cost solution for context storage.

Cost-effective context storage with external columns

May 2026

Type

Description

References

New feature

Secondary Index Prefix Compression (SPC) - Added secondary index prefix compression (SPC) to effectively reduce index storage overhead.

Secondary Prefix Compression (SPC)

March 2026

Type

Description

References

New feature

PolarDB-X Service-linked Role - Added PolarDB-X service-linked role for fine-grained RAM permission management.

PolarDB-X service-linked role

New feature

PolarDB-X AI Assistant - Added PolarDB-X AI Assistant, providing intelligent database Q&A and O&M assistance.

PolarDB-X AI Assistant

January 2026

Type

Description

References

New feature

Active-active Mode - Added active-active deployment mode.

Active-active pattern