PostgreSQL 15 RC 2 Released!

Posted on 2022-10-06 by PostgreSQL Global Development Group
PostgreSQL Project

The PostgreSQL Global Development Group announces that the second release candidate of PostgreSQL 15 is now available for download. As a release candidate, PostgreSQL 15 RC 2 will be mostly identical to the initial release of PostgreSQL 15, though some more fixes may be applied prior to the general availability of PostgreSQL 15.

The planned date for the general availability of PostgreSQL 15 is still October 13, 2022, but may be pushed to October 20, 2022 based on what issues are reported. Please see the "Release Schedule" section for more details.

Upgrading to PostgreSQL 15 RC 2

To upgrade to PostgreSQL 15 RC 2 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:

Changes Since 15 RC 1

Several bug fixes were applied for PostgreSQL 15 during the RC 1 period. These include:

  • Reverting the "optimized order of GROUP BY keys" feature.
  • Fix behavior for the \g command in psql with multi-command strings.
  • Fix memory leak in single-column sorts.
  • Fix for behavior of PQsslAttribute libpq function.

For a detailed list of fixes, please visit the open items page.

Release Schedule

This is the second release candidate for PostgreSQL 15. Unless an issue is discovered that warrants a delay or to produce an additional release candidate, PostgreSQL 15 should be made generally available on October 13, 2022 or October 20, 2022.

For further information please see the Beta Testing page.