The PostgreSQL Global Development Group announces that the first release candidate of PostgreSQL 15 is now available for download. As a release candidate, PostgreSQL 15 RC 1 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 October 13, 2022. Please see the "Release Schedule" section for more details.
To upgrade to PostgreSQL 15 RC 1 from earlier versions of PostgreSQL, you will
need to use a major version upgrade strategy, e.g.
pg_restore. For more information, please visit the documentation
section on upgrading:
Several bug fixes were applied for PostgreSQL 15 during the Beta 4 period. These include:
CREATE PUBLICATION ... FOR TABLES IN SCHEMA ....
pg_publication_tablesview where it would display dropped columns.
pg_basebackupwhere the contents of the WAL directory were not compressed.
maintenance_io_concurrencywas set to a low value (e.g.
wal_compressionis specified as either
zstdbut the server does not support it.
pg_upgradeto an internal subdirectory.
pscommand when the recovery process finishes.
For a detailed list of fixes, please visit the open items page.
This is the first 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.
For further information please see the Beta Testing page.