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Amazon RDS now offers PostgreSQL 19 Beta 3 in its Preview Environment

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feature announcement

Amazon RDS now offers PostgreSQL 19 Beta 3 in its Database Preview Environment, enabling developers to evaluate the upcoming version. This beta release introduces new capabilities to enhance query performance, such as eager aggregation and the `pg_plan_advice` module, and improves autovacuum management with parallel processing and the `pg_stat_autovacuum_scores` view. These features aim to speed up maintenance on large tables and prevent unexpected query slowdowns. Instances in the Preview Environment are retained for 60 days and are designed for evaluation purposes only.

  • Enhanced autovacuum management
  • Improved query performance
  • PostgreSQL 19 Beta 3 available in RDS Preview
  • Amazon RDS Database Preview Environment details
Features (2)
  • Enhanced autovacuum management

    PostgreSQL 19 Beta 3 introduces the `pg_stat_autovacuum_scores` view for monitoring and tuning autovacuum prioritization. It also enables parallel autovacuum, allowing multiple workers to speed up maintenance on large tables.

  • Improved query performance

    New capabilities include the `pg_plan_advice` module to lock in efficient query plans, preventing unexpected slowdowns. Eager aggregation improves analytical queries by processing fewer rows and completing faster.

Notes (2)
  • PostgreSQL 19 Beta 3 available in RDS Preview

    Amazon RDS for PostgreSQL 19 Beta 3 is now accessible in the RDS Database Preview Environment for evaluation. This allows users to test the pre-release version of PostgreSQL 19 and its new features on Amazon RDS.

  • Amazon RDS Database Preview Environment details

    Instances in the Preview Environment are retained for a maximum of 60 days and are automatically deleted. Snapshots created here can only be used within the Preview Environment, but dump and load functionality supports importing/exporting databases.

Read the original announcement →

https://aws.amazon.com/about-aws/whats-new/2026/08/postgresql-19-beta-3-amazon-rds-database-preview-environment/

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