Following the announcement of updates to the PostgreSQL database by the open source community, we have updated Amazon Aurora PostgreSQL-Compatible Edition to support PostgreSQL 14.6, 13.9, 12.13, and 11.18. These releases contains product improvements and bug fixes made by the PostgreSQL community, along with Aurora-specific improvements. Refer to the Aurora version policy to help you to decide how often to upgrade and how to plan your upgrade process. As a reminder, if you are running any version of Amazon Aurora PostgreSQL 10, you must upgrade to a newer major version by January 31, 2023.
Source:: Amazon AWS