VMware Postgres v12.6 Release Notes

This document describes features, fixes, and known issues in VMware Postgres v12.6.1.

Software Component Versions

VMware Postgres Version Component Component Version
12.6.1 PostgreSQL 12.6
pgBackRest 2.31
pg_auto_failover 1.4.0
Patroni 1.6.5
psqlODBC 11.01-0000
pgjdbc 42.2.18
PL/Java 1.5.7
PL/R 8.4.1
Orafce 3.13.4
PostGIS with
psycopg2 (v2.8.6), geos (v3.8.1),
proj (v4.9.3), gdal (v2.4.4)


  • VMware Postgres 12.6.1 updates the PostgreSQL database version to 12.6. Postgres version 12.6 fixes an important issue:

    • CVE-2021-3393: Fix information leakage in constraint-violation error messages

    Version 12.6 also includes numerous bug fixes and improvements, as highlighted in E.1.2. Changes.

  • This VMware Postgres release includes pg_auto_failover 1.4.0, enabling high availability configurations.

  • This release deprecates Patroni as the preferred HA solution. Existing Patroni customers are encouraged to migrate to pg_auto_failover. See Migrating from Patroni High Availability to pg_auto_failover.

Upgrading to VMware Postgres 12.6

See Installing or Upgrading VMware Postgres for information about the RPM package contents and upgrade instructions.

Known Issues and Limitations

  • 884 - pg_auto_failover does not support extra table spaces.
  • You cannot install VMware Postgres alongside an existing Red Hat Enterprise Linux PostgreSQL installation.
  • VMware does not support using the deprecated XML2 module.
  • All software components in this release, including the client ODBC and JDBC drivers, are supported only on Red Hat Enterprise Linux (RHEL) version 7 and CentOS 7 systems.