Version 15 of the PostgreSQL database management system is out.

PostgreSQL 15 builds on the performance improvements of recent releases with
noticeable gains for managing workloads in both local and distributed
deployments, including improved sorting. This release improves the developer
experience with the addition of the popular
MERGE
command, and adds
more capabilities for observing the state of the database.

There are a lot of changes in this release; click below for the details,
and see the
release notes for more.

Source: LWN.net – PostgreSQL 15 released