Amazon Aurora now supports PostgreSQL major version 18
News
This article announces Amazon Aurora's support for PostgreSQL major version 18, starting with version 18.3, bringing performance improvements and new database capabilities.
- B-tree skip scans improve query performance and reduce index overhead
- Optimizer statistics retained during major version upgrades for consistent performance
- Logical replication now streams large transactions in parallel, reducing lag
- New pg_roaringbitmap extension enables fast set operations on large integer collections
- Supports audience segmentation, tag filtering, and permission checks in database
- Multiple upgrade options: Blue/Green deployments, in-place, or snapshot restore
- Available in all commercial AWS Regions and AWS GovCloud (US)
Aurora PostgreSQL 18.3 delivers performance enhancements and new extensions for efficient database operations at scale.
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