Amazon Aurora Adds Support for PostgreSQL Major Version 18 Enhancing Performance and Extensions
Amazon Aurora PostgreSQL-Compatible Edition upgraded to PostgreSQL 18.3, bringing performance enhancements, new extensions, and improved replication capabilities.
By Elena Parker· Editorial pseudonym· 2026-06-11 · 1 min read
AI-ASSISTED REPORTING · RETROSPECTIVE ARCHIVE
Retrospective edition: 2026-06-11. Source published: 2026-06-11. 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.
The update includes B-tree skip scans for faster queries, retention of optimizer statistics across major upgrades for consistent performance, and pg_roaringbitmap extension enabling efficient set operations like audience segmentation within the database.
Logical replication improvements allow parallel streaming of large transactions to reduce lag. Aurora’s compatibility and availability across commercial and GovCloud regions ensure customers benefit from these community-driven PostgreSQL enhancements in a scalable, managed environment.
Source published 2026-06-11. 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.