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Amazon RDS for PostgreSQL supports PostgreSQL 19 Beta 4 in Preview Environment

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announcement

Amazon RDS for PostgreSQL now supports PostgreSQL 19 Beta 4 in its Database Preview Environment, enabling developers to evaluate the pre-release version. This update refines query performance and autovacuum management, with specific bug fixes like improved `pg_stat_autovacuum_scores` reporting and freeze-score scaling. Instances in the Preview Environment are retained for 60 days, with snapshots usable only within the environment. Users can import or export data via PostgreSQL dump and load functionality, with pricing based on the US East (Ohio) Region.

Notes (1) ›
  • PostgreSQL 19 Beta 4 available in RDS Preview Environment

    Amazon RDS for PostgreSQL now allows evaluation of PostgreSQL 19 Beta 4 in its Database Preview Environment. This beta refines query performance and autovacuum management, including fixes for `pg_stat_autovacuum_scores` and freeze-score scaling. Preview instances are temporary, limited to 60 days, and snapshots are restricted to the environment.

Read the original announcement →

https://aws.amazon.com/about-aws/whats-new/2026/09/postgresql-19-beta-4-amazon-rds-database-preview-environment/

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