Discover more about what's new at AWS with Amazon Aurora now supports PostgreSQL 18.1 in the Amazon RDS Database preview environment

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Amazon Aurora now supports PostgreSQL 18.1 in the RDS Database Preview Environment, enabling developers to test the latest PostgreSQL version before production use. PostgreSQL 18.1 introduces skip scan support for multicolumn B-tree indexes, improved WHERE clause handling for OR/IN conditions, parallel GIN index builds, and enhanced observability with buffer usage counts and per-connection I/O metrics. Preview instances are retained for up to 60 days and priced the same as production Aurora instances in US East (Ohio).