2026

Category

Feature

Description

Related documentation

New feature

Storage node

• Support for querying Pageserver Timeline monitoring metrics through SQL functions.

• Support for updating Pageserver Tenant configurations through SQL functions.

• Support for triggering forced Pageserver compaction through SQL functions.

None

Optimization

Storage node

• Checkpoint phase no longer performs Compact operations, reducing IO overhead.

• Added default write IO throttling to prevent write overload.

None

Backup and restore

Added Pageserver status check before cluster restoration to prevent Attach operations when storage nodes are abnormal.

None

Bug fix

GUC configuration

• Fixed an issue where 41 duplicate GUC registrations caused gpconfig errors and duplicate rows in pg_settings.

• Fixed an issue where appending parameters to postgresql.conf without a trailing newline caused configuration parsing failures.

None

Backup and restore

Fixed a JSON parsing error during asynchronous Garbage Collect triggering.

None

File cache

Updated the Beam file cache version to fix stability issues.

None

Storage node

Fixed a crash caused by uncleared Prefetch Ring Buffer after Pageserver connection disconnection.

None

Category

Feature

Description

Related documentation

Bug fixes

Beam

• Fixed a metadata update error caused by Beam garbage collection (GC).

• Fixed a crash that occurred when running the beaminspect function on a Beam root partition table due to a null rd_beam value.

-

File cache

Updated the Beam file cache version to fix stability issues.

-

Category

Feature

Description

Related documentation

Bug fixes

virtual warehouse

Fixed a data visibility issue caused by the initialization of latestCompletedGxid during virtual warehouse (VW) restarts.

-

Beam

• Fixed an issue where the backend process failed to close all dadi files on exit, preventing potential file handle leaks.

• Fixed issues related to garbage collection.

• Fixed an issue where the Beam delta relcache was invalidated before the primary relation relcache, ensuring the correct cache invalidation order.

-

Category

Feature

Description

Related documentation

Optimizations

storage node

Optimized the Write-Ahead Logging (WAL) backup logic to significantly reduce Object Storage Service (OSS) storage consumption.

-

backup and recovery

Optimized the recovery point status query to significantly reduce the number of database connections used during backups.

-

local file cache

Enabled by default.

-

Bug fixes

Start/Stop

Fixed an issue where the SSL configuration file was lost when a cluster was paused.

Configure SSL encryption

Creation

Fixed an issue where the postgresql.conf file had an incorrect format after a cluster was created.

-

Category

Feature

Description

Related documentation

New feature

vector index

Added support for Hierarchical Navigable Small World (HNSW) vector indexes in a compute-storage separation architecture.

Vector analysis

Bug fixes

file cache

Updated the Beam file cache version to improve stability.

-

Start/Stop

Fixed an issue where configuration files were lost when a cluster was paused.

-

Beam

• Fixed an issue where VACUUM could not reclaim Beam auxiliary tables.

• Fixed an issue where Beam ZoneMap filtering did not correctly adapt to expressions.

-

Category

Feature

Description

Related documentation

Optimizations

Local disk scaling

The Beam file cache size is now set to 60% of the disk capacity upon disk expansion.

-

file cache

Updated the Beam file cache version to extend the retention period for its internal logs.

-

Bug fixes

Beam

Fixed an issue causing residual Beam temporary tables.

-

high availability

Fixed a startup failure caused by incorrect permissions for the data directory.

-

storage node

Fixed an issue where residual WAL partial files caused backup failures and led to full disks.

-