Amazon Relational Database Service (Amazon RDS) for PostgreSQL 16 Release Candidate 1 (RC1) is now available in the Amazon RDS Database Preview Environment, allowing you to evaluate the pre-release of PostgreSQL 16 on Amazon RDS for PostgreSQL. You can deploy PostgreSQL 16 RC1 in the Preview Environment and have the same benefits of a fully managed database, making it simpler to set up, operate, and monitor databases. PostgreSQL 16RC1 in the Preview Environment also includes support for logical decoding on read replicas, AWS libcrypto (AWS-LC), and over 80 PostgreSQL extensions such as pgvector, pg_tle, h3-pg, pg_cron, and rdkit.
Source:: Amazon AWS