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| 1 | +# Percona Distribution for PostgreSQL 16.13 ({{date.16_13}}) |
| 2 | + |
| 3 | +[Installation](../installing.md){.md-button} |
| 4 | + |
| 5 | +--8<-- "release-notes-intro.md" |
| 6 | + |
| 7 | +This release of Percona Distribution for PostgreSQL is based on [PostgreSQL 16.13](https://www.postgresql.org/docs/16/release-16-13.html). |
| 8 | + |
| 9 | +## Release Highlights |
| 10 | + |
| 11 | +### Tarball updates |
| 12 | + |
| 13 | +The binary tarballs for x86_64 and ARM64 architectures have been updated in this release. The following libraries and components have new versions: |
| 14 | + |
| 15 | +- pgBouncer: 1.25.1 |
| 16 | +- etcd: 3.5.26 |
| 17 | +- haproxy: 2.8.18 |
| 18 | +- pgBadger: 13.2 |
| 19 | +- postgresql-common: 289 |
| 20 | +- pgbackrest: 2.58.0 |
| 21 | +- pgpool2: 4.7.0 |
| 22 | +- pg_stat_monitor: 2.3.2 |
| 23 | +- postgis: 3.5.5 |
| 24 | +- ydiff: 1.4.2 |
| 25 | + |
| 26 | +See [Install Percona Distribution for PostgreSQL from binary tarballs](../tarball.md) for the download links. |
| 27 | + |
| 28 | +### Addressed CVEs |
| 29 | + |
| 30 | +This release includes important security measures that address the following CVEs: CVE-2026-2003, CVE-2026-2004, CVE-2026-2005, CVE-2026-2006. For more details, see the PostgreSQL [16.13 release notes](https://www.postgresql.org/docs/16/release-16-13.html). |
| 31 | + |
| 32 | +## Known Issue |
| 33 | + |
| 34 | +### For minor & major upgrades (RHEL only) |
| 35 | + |
| 36 | +During an upgrade on RHEL, you may encounter the following error: |
| 37 | + |
| 38 | +``` |
| 39 | +Unknown Error occurred: Transaction test error: |
| 40 | + file /usr/share/postgresql-common/server/postgresql.mk from install of percona-postgresql-common conflicts with file from package percona-postgresql-common-dev |
| 41 | + file /usr/share/postgresql-common/t/040_upgrade.t from install of percona-postgresql-common conflicts with file from package percona-postgresql-common-dev |
| 42 | +``` |
| 43 | + |
| 44 | +To resolve this, remove the `percona-postgresql-common-dev` package and reinstall it with the new intended upgraded PPG/PSP server. |
| 45 | + |
| 46 | +## Supplied third-party extensions |
| 47 | + |
| 48 | +Review each extension’s release notes for What’s new, improvements, or bug fixes. |
| 49 | + |
| 50 | +The following is the list of extensions available in Percona Distribution for PostgreSQL. |
| 51 | + |
| 52 | +| Extension | Version | Description | |
| 53 | +| ------------------- | -------------- | ---------------------------- | |
| 54 | +| [etcd](https://etcd.io/) | 3.5.26 | A distributed, reliable key-value store for setting up high available Patroni clusters | |
| 55 | +| [python-etcd :octicons-link-external-16:](https://python-etcd.readthedocs.io/en/latest/) | 0.4.5 | A Python client library for interacting with etcd | |
| 56 | +| [HAProxy](http://www.haproxy.org/) | 2.8.18 | a high-availability and load-balancing solution | |
| 57 | +| [Patroni](https://patroni.readthedocs.io/en/latest/) | 4.1.0 | a HA (High Availability) solution for PostgreSQL | |
| 58 | +| [PgAudit](https://www.pgaudit.org/) | 16.1 | provides detailed session or object audit logging via the standard logging facility provided by PostgreSQL | |
| 59 | +| [pgAudit set_user](https://github.com/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. | |
| 60 | +| [pgBackRest](https://pgbackrest.org/) | 2.58.0 | a backup and restore solution for PostgreSQL | |
| 61 | +| [pgBadger](https://github.com/darold/pgbadger) | 13.2 | a fast PostgreSQL Log Analyzer. | |
| 62 | +| [PgBouncer](https://www.pgbouncer.org/) | 1.25.1 | a lightweight connection pooler for PostgreSQL | |
| 63 | +| [pg_gather](https://github.com/jobinau/pg_gather) | v32 | an SQL script for running the diagnostics of the health of PostgreSQL cluster | |
| 64 | +| [pgpool2](https://git.postgresql.org/gitweb/?p=pgpool2.git;a=summary) | 4.7.0 | a middleware between PostgreSQL server and client for high availability, connection pooling, and load balancing. | |
| 65 | +| [pg_repack](https://github.com/reorg/pg_repack) | 1.5.3 | rebuilds PostgreSQL database objects | |
| 66 | +| [pg_stat_monitor](https://github.com/percona/pg_stat_monitor) | 2.3.2 | collects and aggregates statistics for PostgreSQL and provides histogram information. | |
| 67 | +| [pg_vector](https://github.com/pgvector/pgvector) | v0.8.1 | A vector similarity search for PostgreSQL | |
| 68 | +| [PostGIS](https://github.com/postgis/postgis) | 3.5.5 | a spatial extension for PostgreSQL. | |
| 69 | +| [PostgreSQL Commons](https://salsa.debian.org/postgresql/postgresql-common) | 289 | 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. | |
| 70 | +| [wal2json](https://github.com/eulerto/wal2json) | 2.6 | a PostgreSQL logical decoding JSON output plugin | |
| 71 | + |
| 72 | +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. |
| 73 | + |
| 74 | +Percona Distribution for PostgreSQL is also shipped with the [libpq](https://www.postgresql.org/docs/16/libpq.html) 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." |
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