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PostgreSQL 17 Beta 2 is now available for download, including previews of all the features that will be accessible when the database is released to the general public.

The community encourages users to test the new features on their systems to eliminate bugs. Upgrading to PostgreSQL 17 Beta 2 requires a strategy similar to upgrading between major versions. Changes since Beta 1 include correctly enforcing the ON EMPTY clause, resolving an issue with pg_logical_slot_get_changes, and fixing a new data structure for vacuum-related data.



PostgreSQL 17 Beta 2 Released!

The PostgreSQL Global Development Group announces that the second beta release of PostgreSQL 17 is now  available for download. This release contains previews of all features that will be available when PostgreSQL 17 is made generally available, though some details of the release can change during the beta period.

You can find information about all of the PostgreSQL 17 features and changes in the  release notes:

https://www.postgresql.org/docs/17/release-17.html

In the spirit of the open source PostgreSQL community, we strongly encourage you to test the new features of PostgreSQL 17 on your systems to help us eliminate bugs or other issues that may exist. While we do not advise you to run PostgreSQL 17 Beta 2 in production environments, we encourage you to find ways to run your typical application workloads against this beta release.

Your testing and feedback will help the community ensure that the PostgreSQL 17 release upholds our standards of delivering a stable, reliable release of the world's most advanced open source relational database. Please read more about our  beta testing process and how you can contribute:

https://www.postgresql.org/developer/beta/

Upgrading to PostgreSQL 17 Beta 2

To upgrade to PostgreSQL 17 Beta 2 from an earlier version of PostgreSQL, you will need to use a strategy similar to upgrading between major versions of PostgreSQL (e.g. pg_upgrade or pg_dump / pg_restore). For more information, please visit the documentation section on  upgrading.

Changes Since Beta 1

Fixes and changes in PostgreSQL 17 Beta 2 include:

  • Correctly enforce the default behavior of the ON EMPTY clause when it's not present in a SQL/JSON query.
  • Fixed issue with pg_logical_slot_get_changes related to resource ownership.
  • Several fixes around the new data structure for vacuum-related data.

  PostgreSQL 17 Beta 2 Released!