Amazon Aurora now supports PostgreSQL major version 18

Amazon Aurora ยท 2026-06-11

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Technical Details

Affected Versions 18.3
Regions all commercial AWS Regions, AWS GovCloud (US) Regions
Migration Required Yes
Cost Impact Neutral
IaC Impact High

What This Means

For DevOps Teams

Update your Amazon Aurora PostgreSQL deployments to version 18.3 to take advantage of performance improvements, new extensions like pg_roaringbitmap, and parallel streaming of large transactions for reduced replication lag, ensuring your systems are optimized and up-to-date.

For Platform Teams

Adopt Amazon Aurora PostgreSQL major version 18 to integrate advanced query performance features and new extensions, simplifying architecture and reducing operational toil through improved database management and consistent query performance post-upgrade.

For Executives

Evaluate the benefits of upgrading to Amazon Aurora PostgreSQL major version 18 to improve query performance and leverage new capabilities like pg_roaringbitmap for enhanced database management, ensuring consistent query performance post-upgrade and reducing replication lag for more current downstream systems.

Source

View original AWS announcement โ†’

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