Percona Distribution for PostgreSQL 15.18 (2026-05-14)¶
Percona Distribution for PostgreSQL is a solution that includes PostgreSQL server and the collection of tools from PostgreSQL community. These tools are tested to work together and serve to assist you in deploying and managing PostgreSQL.
The aim of Percona Distribution for PostgreSQL is to address the operational issues like High-Availability, Disaster Recovery, Security, Observability, Spatial data handling, Performance and Scalability, and others that enterprises are facing.
This release of Percona Distribution for PostgreSQL is based on PostgreSQL 15.18.
Release Highlights¶
This release continues to deliver Percona’s open source value-add components for enterprise use cases, see the full component list below for details.
Note
To upgrade from earlier versions (e.g. Percona Distribution for PostgreSQL 14.x), follow the steps in Upgrading Percona Distribution for PostgreSQL.
Ubuntu 26.04 LTS support added¶
Percona Distribution for PostgreSQL is available on Ubuntu 26.04 LTS (Noble Numbat’s successor). Packages are provided for AMD64 and ARM64 architectures.
Added Quick Start guide¶
Added a Quick Start Guide walking users through setting up Percona Distribution for PostgreSQL with minimal steps and linking to more advanced topics.
Tarball updates¶
The binary tarballs for x86_64 and ARM64 architectures have been updated in this release. The following libraries and components have new versions:
- postgres-common: 290
- pgBouncer: 1.25.2
- etcd: 3.5.30
- pysyncobj: 0.3.15
- haproxy: 2.8.23
- patroni: 4.1.3
- pgpool2: 4.7.1
- postgis: 3.5.6
- pg_gather: 33
- pg_cron: 1.6.7
See Install Percona Distribution for PostgreSQL from binary tarballs for the download links.
Addressed CVEs¶
This release includes important security measures that address the following CVEs: CVE-2026-6479, CVE-2026-6473, CVE-2026-6474, CVE-2026-6472, CVE-2026-6478, CVE-2026-6477, CVE-2026-6475, CVE-2026-6637. For more details, see the PostgreSQL 15.18 release notes.
Known Issue¶
For minor & major upgrades (RHEL only)¶
During an upgrade on RHEL, you may encounter the following error:
Unknown Error occurred: Transaction test error:
file /usr/share/postgresql-common/server/postgresql.mk from install of percona-postgresql-common conflicts with file from package percona-postgresql-common-dev
file /usr/share/postgresql-common/t/040_upgrade.t from install of percona-postgresql-common conflicts with file from package percona-postgresql-common-dev
To resolve this, remove the percona-postgresql-common-dev package and reinstall it with the new intended upgraded PPG/PSP server.
Supplied third-party extensions¶
Review each extension’s release notes for What’s new, improvements, or bug fixes.
The following is the list of extensions available in Percona Distribution for PostgreSQL.
| Extension | Version | Description |
|---|---|---|
| etcd | 3.5.30 | A distributed, reliable key-value store for setting up high available Patroni clusters |
| python-etcd | 0.4.5 | A Python client library for interacting with etcd |
| HAProxy | 2.8.23 | A high-availability and load-balancing solution |
| Patroni | 4.1.3 | A HA (High Availability) solution for PostgreSQL |
| PgAudit | 1.7.1 | Provides detailed session or object audit logging via the standard logging facility provided by PostgreSQL |
| pgAudit set_user | 4.2.0 | Provides an additional layer of logging and control when unprivileged users must escalate themselves to superusers or object owner roles in order to perform needed maintenance tasks |
| pgBackRest | 2.58.0 | A backup and restore solution for PostgreSQL |
| pgBadger | 13.2 | A fast PostgreSQL log analyzer |
| PgBouncer | 1.25.2 | A lightweight connection pooler for PostgreSQL |
| pg_cron | 1.6.7 | A simple cron-based job scheduler for PostgreSQL |
| pg_gather | v33 | An SQL script for running diagnostics on the health of a PostgreSQL cluster |
| pg_repack | 1.5.3 | Rebuilds PostgreSQL database objects |
| pg_stat_monitor | 2.3.2 | Collects and aggregates statistics for PostgreSQL and provides histogram information |
| pg_vector | v0.8.2 | A vector similarity search extension for PostgreSQL |
| pgpool2 | 4.7.1 | A middleware between PostgreSQL server and client for high availability, connection pooling, and load balancing |
| PostGIS | 3.5.6 | A spatial extension for PostgreSQL |
| PostgreSQL Commons | 290 | PostgreSQL database-cluster manager. It provides a structure under which multiple versions of PostgreSQL may be installed and/or multiple clusters maintained at one time |
| wal2json | 2.6 | A PostgreSQL logical decoding JSON output plugin |
For Red Hat Enterprise Linux 8 and compatible derivatives, Percona Distribution for PostgreSQL also includes the supplemental python3-etcd 0.4.5 packages, which are used for setting up Patroni clusters.
Percona Distribution for PostgreSQL is also shipped with the libpq library. It contains “a set of library functions that allow client programs to pass queries to the PostgreSQL backend server and to receive the results of these queries.”