Amazon Aurora PostgreSQL-Compatible Edition now supports PostgreSQL versions 15.5, 14.10, 13.13, 12.17. These releases contain product improvements and bug fixes made by the PostgreSQL community, along with Aurora-specific improvements. This release also contains new features and improvements such as group role authentication support using AWS Directory Service for Microsoft Active Directory with the new pg_ad_mapping extension, Amazon Bedrock integration for Generative AI , and Babelfish for Aurora PostgreSQL version 3.4. As a reminder, if you are running any version of Amazon Aurora. PostgreSQL 11, you must upgrade to a newer major version by February 29, 2024.
Source:: Amazon AWS