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+The PostgreSQL Global Development Group today announced the release of
+[PostgreSQL 15](https://www.postgresql.org/docs/15/release-15.html), the latest
+version of the world’s [most advanced open source database](https://www.postgresql.org/).
+
+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.
+
+<HOLD FOR QUOTE>
+
+[PostgreSQL](https://www.postgresql.org), an innovative data management system
+known for its reliability and robustness, benefits from over 25 years of open
+source development from a [global developer community](https://www.postgresql.org/community/)
+and has become the preferred open source relational database for organizations
+of all sizes.
+
+### Improved Sort Performance and Compression
+
+In this latest release, PostgreSQL improves on its in-memory and on-disk sorting
+algorithms, with benchmarks showing speedups of 25% - 400% based on sort types.
+Using `row_number()`, `rank()`, and `count()` as window functions also have
+performance benefits in PostgreSQL 15, and queries using `SELECT DISTINCT` can
+now be executed in parallel.
+
+Building on work from the previous PostgreSQL release for allowing async remote
+queries, the PostgreSQL foreign data wrapper, `postgres_fdw`, can now commit
+transactions in parallel.
+
+The performance improvements in PostgreSQL 15 extend to its archiving and backup
+facilities. PostgreSQL 15 adds support for LZ4 and Zstandard (zstd) compression
+to write-ahead log (WAL) files, which can have both space and performance
+benefits for certain workloads. On certain operating systems, PostgreSQL 15
+supports the ability to prefetch WAL file contents and speed up recovery times.
+PostgreSQL's built-in backup command, `pg_basebackup`, now supports server-side
+compression of backup files with a choice of gzip, LZ4, and zstd. PostgreSQL 15
+includes the ability to use custom modules for archiving, which eliminates the
+overhead of using a shell command.
+
+### Expressive Developer Features
+
+PostgreSQL 15 includes the SQL standard `MERGE` command. `MERGE` lets you write
+conditional SQL statements that include `INSERT`, `UPDATE`, and `DELETE` actions
+within a single statement.
+
+PostgreSQL 15 expands on its support for the SQL/JSON standard, including syntax
+for supporting JSON constructors, introspection functions, and the ability to
+convert JSON data into a table using the `JSON_TABLE` function.
+
+This latest release adds new functions for using regular expressions to inspect
+strings: `regexp_count()`, `regexp_instr()`, `regexp_like()`, and
+`regexp_substr()`. PostgreSQL 15 also extends the `range_agg` function to
+aggregate `multirange` data types, which were introduced in the previous
+release.
+
+PostgreSQL 15 lets user create views that query data using the permissions of
+the caller, not the view creator. This option, called `security_invoker`, adds
+an additional layer of protection to ensure view callers have the correct
+permissions for working with the underlying data.
+
+### More Options with Logical Replication
+
+PostgreSQL 15 provides more flexibility for managing logical replication. This
+release introduces row and column filtering for publishers, letting users choose
+to replicate a subset of data from a table. PostgreSQL 15 adds features to
+simplify conflict management, including the ability to skip replaying a
+conflicting transaction and to automatically disable a subscription if an error
+is detected. This release also includes support for using two-phase commit (2PC)
+with logical replication.
+
+### Logging and Configuration Enhancements
+
+PostgreSQL 15 introduces a new logging format: `jsonlog`. This new format
+outputs log data using a defined JSON structure, which allows PostgreSQL logs to
+be processed in structured logging systems. This release also adds a new
+built-in extension, `pg_walinspect`, that lets users inspect the contents of
+write-ahead log files directly from a SQL interface.
+
+PostgreSQL 15 gives database administrators more flexibility in how users can
+manage PostgreSQL configuration, adding the ability to grant users permission to
+alter server-level configuration parameters. Additionally, users can now search
+for information about configuration using the `\dconfig` command from the `psql`
+command-line tool.
+
+### Other Notable Changes
+
+PostgreSQL server-level statistics are now collected in shared memory,
+eliminating the statistics collector process and writing these stats to disk.
+PostgreSQL 15 also revokes the `CREATE` permission from all users except a
+database owner from the `public` (or default) schema.
+
+PostgreSQL 15 removes both the long-deprecated "exclusive backup" mode and
+support for Python 2 from PL/Python.
+
+### About PostgreSQL
+
+[PostgreSQL](https://www.postgresql.org) is the world's most advanced open
+source database, with a global community of thousands of users, contributors,
+companies and organizations. Built on over 35 years of engineering, starting at
+the University of California, Berkeley, PostgreSQL has continued with an
+unmatched pace of development. PostgreSQL's mature feature set not only matches
+top proprietary database systems, but exceeds them in advanced database
+features, extensibility, security, and stability.
+
+### Links
+
+* [Download](https://www.postgresql.org/download/)
+* [Release Notes](https://www.postgresql.org/docs/15/release-15.html)
+* [Press Kit](https://www.postgresql.org/about/press/)
+* [Security Page](https://www.postgresql.org/support/security/)
+* [Versioning Policy](https://www.postgresql.org/support/versioning/)
+* [Follow @postgresql on Twitter](https://twitter.com/postgresql)
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