Amazon RDS for PostgreSQL Supports Recent Minor Versions Including 18.3 and 17.9

AWS updated Amazon RDS PostgreSQL support to latest minor versions to address security and stability concerns.

By Oliver Grant · Editorial pseudonym · 2026-03-03 · 1 min read

AI-ASSISTED REPORTING · RETROSPECTIVE ARCHIVE

Retrospective edition: 2026-03-03. Source published: 2026-02-27. Added to this archive: 2026-11-03. This briefing was prepared later from the linked announcement; it was not published on this website on the historical edition date.

To address regressions and security vulnerabilities from prior PostgreSQL community releases, Amazon RDS now supports minor versions 18.3, 17.9, 16.13, 15.17, and 14.22. AWS recommends upgrading to these patched versions to enhance database security and stability.

RDS users can automate minor version upgrades during maintenance windows and orchestrate large-scale phased rollouts using AWS Organizations policies. Blue/Green deployments are also supported to minimize downtime during these upgrades, facilitating seamless management of PostgreSQL instances in the cloud.

Source & further reading

Amazon RDS for PostgreSQL supports minor versions 18.3, 17.9, 16.13, 15.17, and 14.22 ↗

Source published 2026-02-27. This report was prepared with AI assistance from the linked primary-source material. Claims and limitations should be checked against the original announcement or research.