PostgreSQL 16 RC1 Released!

The PostgreSQL Global Development Group announces that the first release
candidate of PostgreSQL 16 is now available for download. As a release
candidate, PostgreSQL 16 RC 1 will be mostly identical to the initial release of
PostgreSQL 16, though some more fixes may be applied prior to the general
availability of PostgreSQL 16.

The planned date for the general availability of PostgreSQL 16 is
September 14, 2023. Please see the "Release Schedule" section for more details.

Upgrading to PostgreSQL 16 RC 1
-------------------------------

To upgrade to PostgreSQL 16 RC 1 from earlier versions of PostgreSQL, you will
need to use a major version upgrade strategy, e.g. `pg_upgrade` or
`pg_dump` / `pg_restore`. For more information, please visit the documentation
section on [upgrading](https://www.postgresql.org/docs/16/upgrading.html):

[https://www.postgresql.org/docs/16/upgrading.html](https://www.postgresql.org/docs/16/upgrading.html)

Changes Since 16 Beta 3
-----------------------

Several bug fixes were applied for PostgreSQL 16 during the Beta 3 period. These
include:

* Fixed performance regression when running `COPY` concurrently on a single
table.

For a detailed list of fixes, please visit the
[open items](https://wiki.postgresql.org/wiki/PostgreSQL_16_Open_Items#resolved_before_16rc1)
page.

Release Schedule
----------------

This is the first release candidate for PostgreSQL 16. Unless an issue is
discovered that warrants a delay or to produce an additional release candidate,
PostgreSQL 16 should be made generally available on September 14, 2023.

For further information please see the
[Beta Testing](https://www.postgresql.org/developer/beta/) page.

Links
-----

* [Download](https://www.postgresql.org/download/)
* [Beta Testing Information](https://www.postgresql.org/developer/beta/)
* [PostgreSQL 16 Beta Release Notes](https://www.postgresql.org/docs/16/release-16.html)
* [PostgreSQL 16 Open Issues](https://wiki.postgresql.org/wiki/PostgreSQL_16_Open_Items)
* [Feature Matrix](https://www.postgresql.org/about/featurematrix/#configuration-management)
* [Submit a Bug](https://www.postgresql.org/account/submitbug/)
* [Follow @postgresql on Twitter](https://twitter.com/postgresql)
* [Donate](https://www.postgresql.org/about/donate/)