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PG-2348 - Add Release Notes (16) (#963)
This PR adds the release notes for PG 16.
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‎.github/workflows/generate-release-metadata.yml‎

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name: Release Docs Automation
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on:
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pull_request:
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paths:
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- docs/release-notes/**
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- variables.yml
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push:
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branches:
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- '1*'
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paths:
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- docs/release-notes/**
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- variables.yml
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jobs:
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build:
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name: Update release metadata
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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with:
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fetch-depth: 0
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- name: Update release date
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run: |
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TODAY=$(date +'%Y-%m-%d')
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VERSION=$(grep "pspgversion:" variables.yml | awk '{print $2}' | tr -d "'")
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KEY=$(echo $VERSION | tr '.' '_')
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echo "Setting release date for version $VERSION ($KEY)"
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if grep -q "$KEY:" variables.yml; then
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sed -i "s/$KEY:.*/$KEY: $TODAY/" variables.yml
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else
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sed -i "/date:/a\ $KEY: $TODAY" variables.yml
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fi
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- name: Show changes
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run: git diff
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- name: Commit changes
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if: startsWith(github.ref, 'refs/heads/1')
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run: |
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git config user.name github-actions
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git config user.email github-actions@github.com
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git add variables.yml
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git diff --cached --quiet || git commit -m "Auto-update release date"
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git push

‎.github/workflows/main.yml‎

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- name: Deploy docs
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run: |
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mike deploy 16 -b publish -p
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mike retitle 16 "16.13" -b publish -p
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mike retitle 16 "16.14" -b publish -p
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# - name: Install Node.js 14.x
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# uses: percona-platform/setup-node@v2

‎docs/release-notes/release-notes-v16.14.md‎

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# Percona Distribution for PostgreSQL 16.14 ({{date["16_14"] | default("unreleased")}})
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[Installation](../installing.md){.md-button}
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--8<-- "release-notes-intro.md"
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This release of Percona Distribution for PostgreSQL is based on [PostgreSQL 16.14](https://www.postgresql.org/docs/16/release-16-14.html).
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## Release Highlights
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This release continues to deliver Percona’s open source value-add components for enterprise use cases, see the full component list below for details.
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!!! note
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To upgrade from earlier versions (e.g. Percona Distribution for PostgreSQL 15.x), follow the steps in [Upgrading Percona Distribution for PostgreSQL](../major-upgrade.md).
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### Ubuntu 26.04 LTS support added
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Percona Distribution for PostgreSQL is available on Ubuntu 26.04 LTS (Noble Numbat's successor). Packages are provided for AMD64 and ARM64 architectures.
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### Added Quick Start guide
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Added a Quick Start Guide walking users through setting up Percona Distribution for PostgreSQL with minimal steps and linking to more advanced topics.
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### Tarball updates
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The binary tarballs for x86_64 and ARM64 architectures have been updated in this release. The following libraries and components have new versions:
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- postgres-common: 290
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- pgBouncer: 1.25.2
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- etcd: 3.5.30
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- pysyncobj: 0.3.15
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- haproxy: 2.8.23
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- patroni: 4.1.3
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- pgpool2: 4.7.1
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- postgis: 3.5.6
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- pg_gather: 33
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- pg_cron: 1.6.7
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See [Install Percona Distribution for PostgreSQL from binary tarballs](../tarball.md) for the download links.
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### Addressed CVEs
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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 [16.14 release notes](https://www.postgresql.org/docs/16/release-16-14.html).
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## Known Issue
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### For minor & major upgrades (RHEL only)
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During an upgrade on RHEL, you may encounter the following error:
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```
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Unknown Error occurred: Transaction test error:
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file /usr/share/postgresql-common/server/postgresql.mk from install of percona-postgresql-common conflicts with file from package percona-postgresql-common-dev
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file /usr/share/postgresql-common/t/040_upgrade.t from install of percona-postgresql-common conflicts with file from package percona-postgresql-common-dev
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```
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To resolve this, remove the `percona-postgresql-common-dev` package and reinstall it with the new intended upgraded PPG/PSP server.
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## Supplied third-party extensions
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Review each extension’s release notes for What’s new, improvements, or bug fixes.
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The following is the list of extensions available in Percona Distribution for PostgreSQL.
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| Extension | Version | Description |
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| --- | --- | --- |
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| [etcd](https://etcd.io/) | 3.5.30 | A distributed, reliable key-value store for setting up high available Patroni clusters |
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| [python-etcd :octicons-link-external-16:](https://python-etcd.readthedocs.io/en/latest/) | 0.4.5 | A Python client library for interacting with etcd |
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| [HAProxy](http://www.haproxy.org/) | 2.8.23 | A high-availability and load-balancing solution |
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| [Patroni](https://patroni.readthedocs.io/en/latest/) | 4.1.3 | A HA (High Availability) solution for PostgreSQL |
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| [PgAudit](https://www.pgaudit.org/) | 16.1 | Provides detailed session or object audit logging via the standard logging facility provided by PostgreSQL |
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| [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 |
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| [pgBackRest](https://pgbackrest.org/) | 2.58.0 | A backup and restore solution for PostgreSQL |
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| [pgBadger](https://github.com/darold/pgbadger) | 13.2 | A fast PostgreSQL log analyzer |
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| [PgBouncer](https://www.pgbouncer.org/) | 1.25.2 | A lightweight connection pooler for PostgreSQL |
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| [pg_cron :octicons-link-external-16:](https://github.com/citusdata/pg_cron) | 1.6.7 | A simple cron-based job scheduler for PostgreSQL |
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| [pg_gather](https://github.com/jobinau/pg_gather) | v33 | An SQL script for running diagnostics on the health of a PostgreSQL cluster |
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| [pg_repack](https://github.com/reorg/pg_repack) | 1.5.3 | Rebuilds PostgreSQL database objects |
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| [pg_stat_monitor](https://github.com/percona/pg_stat_monitor) | 2.3.2 | Collects and aggregates statistics for PostgreSQL and provides histogram information |
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| [pg_vector](https://github.com/pgvector/pgvector) | v0.8.2 | A vector similarity search extension for PostgreSQL |
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| [pgpool2](https://git.postgresql.org/gitweb/?p=pgpool2.git;a=summary) | 4.7.1 | A middleware between PostgreSQL server and client for high availability, connection pooling, and load balancing |
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| [PostGIS](https://github.com/postgis/postgis) | 3.5.6 | A spatial extension for PostgreSQL |
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| [PostgreSQL Commons](https://salsa.debian.org/postgresql/postgresql-common) | 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 |
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| [wal2json](https://github.com/eulerto/wal2json) | 2.6 | A PostgreSQL logical decoding JSON output plugin |
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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.
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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."

‎docs/release-notes/release-notes.md‎

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## 2026
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* [16.14](release-notes-v16.14.md) ({{date.16_14}})
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* [16.13](release-notes-v16.13.md) ({{date.16_13}})
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## 2025

‎docs/templates/pdf_cover_page.tpl‎

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{% if config.site_description %}
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<h1>{{ config.site_description }}</h1>
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{% endif %}
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<h2>16.13 (February 26, 2026)</h2>
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<h2>16.14 (May 14, 2026)</h2>
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<!--<h3>Percona Technical Documentation Team</h3>-->
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‎mkdocs.yml‎

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- Uninstall: uninstalling.md
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- Release notes:
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- "Release notes index": release-notes/release-notes.md
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- "16.14": release-notes/release-notes-v16.14.md
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- "16.13": release-notes/release-notes-v16.13.md
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- "2025 (versions 16.8 - 16.11)":
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- "16.11": release-notes/release-notes-v16.11.md

‎variables.yml‎

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# PG Variables set for HTML output
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# See also mkdocs.yml plugins.with-pdf.cover_subtitle and output_path
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release: 'release-notes-v16.13'
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dockertag: '16.13'
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release: 'release-notes-v16.14'
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dockertag: '16.14'
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pgversion: '16'
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pgsmversion: '2.3.2'
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date:
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16_14: 2026-05-14
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16_13: 2026-02-26
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16_11: 2025-12-01
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16_10: 2025-09-11

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