Amazon Aurora now supports PostgreSQL 18.1 in the Amazon RDS Database preview environment

Amazon Aurora PostgreSQL-Compatible Edition
Amazon Aurora PostgreSQL-Compatible Edition now supports PostgreSQL version 18.1 in the Amazon RDS Database Preview Environment, allowing you to evaluate PostgreSQL 18.1 on Amazon Aurora PostgreSQL. PostgreSQL 18.1 was released by the PostgreSQL community on September 9, 2025.
New Features
- Skip scan support: Multicolumn B-tree indexes
- Improved WHERE clause handling: OR and IN conditions
- Parallel GIN index builds: Faster index builds
- Updated join operations: Improved performance
- Observability improvements: Buffer usage counts, index lookups, per-connection I/O utilization metric
What to do
- Evaluate PostgreSQL 18.1 in the RDS Database Preview Environment
- Read more about PostgreSQL 18.1 here
Source: AWS release notes
If you need further guidance on AWS, our experts are available at AWS@westloop.io. You may also reach us by submitting the Contact Us form.



