Amazon Aurora PostgreSQL-Compatible Edition now supports PostgreSQL major version 16 (16.1). PostgreSQL 16 adds support for SQL/JSON constructors and identity functions, more query types that can use parallelism, and the ‘pg_stat_io’ view that provides statistics on I/O usage. Please refer to the PostgreSQL community announcement for more details about the release. This release includes new features for Babelfish for Aurora PostgreSQL version 4.0 such as support for the Full Text Search CONTAINS function. Please refer to Amazon Aurora PostgreSQL updates for more information.
Source:: Amazon AWS