This page covers engine updates for AnalyticDB for PostgreSQL Serverless Pro instances released in 2026. To apply updates, upgrade the minor version.
You can update your instances to the latest minor engine version in the AnalyticDB for PostgreSQL console. For more information about how to update the minor engine version, see Upgrade the minor version.
March 2026 (V7.1.0.7)
Category | Feature | Description | References |
Optimizations | Storage node | Optimized Write-Ahead Logging (WAL) backup logic to significantly reduce Object Storage Service (OSS) storage usage. | - |
Backup and restore | Optimized the backup and restore point status query logic to significantly reduce database connection usage during backups. | - | |
Local File Cache | Enabled by default. | - | |
Bug fixes | Startup and shutdown | Fixed an issue where the SSL configuration file might be lost during cluster suspension. | |
Creation | Fixed an issue where the | - |
February 2026 (V7.1.0.6)
Category | Feature | Description | References |
Add | Vector index | Added support for HNSW vector indexes in a storage-compute decoupled architecture. | |
Bug fixes | File cache | Updated the Beam file cache version and fixed stability issues. | - |
Startup and shutdown | Fixed an issue where the configuration file might be lost during cluster suspension. | - | |
Beam storage engine | Fixed an issue with Beam auxiliary table VACUUM reclamation. Fixed an issue with Beam ZoneMap filter adaptation for expressions. | - |
January 2026 (V7.1.0.5)
Category | Feature | Description | References |
Optimizations | Local disk scaling | Adjusted the Beam file cache size to 60% during disk expansion. | - |
File cache | Updated the Beam file cache version to increase the log retention period. | - | |
Bug fixes | Beam storage engine | Fixed an issue with residual Beam temporary tables. | - |
High availability | Fixed a startup failure caused by incorrect data directory permissions. | - | |
Storage node | Fixed an issue where residual WAL partial files caused backup failures and disk space exhaustion. | - |