This document summarizes Amazon RDS for PostgreSQL, including:
- New major and minor version releases including 9.5.2 and support for additional extensions
- Changes to default parameters in 9.5 including increased max_connections and maintenance_work_mem
- Details on performing major version upgrades safely using pg_upgrade and testing
- New security features like forcing SSL on all connections and encryption of snapshot sharing
- Performance testing showing little overhead from encryption at rest
- Data migration options using the Database Migration Service