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| 1 | +# Percona Distribution for PostgreSQL 17.5.3 ({{date.17_5_3}}) |
| 2 | + |
| 3 | +--8<-- "release-notes-intro.md" |
| 4 | + |
| 5 | +This release of Percona Distribution for PostgreSQL is based on Percona Server for PostgreSQL 17.5.3 - a binary compatible, open source drop in replacement of [PostgreSQL Community 17.5](https://www.postgresql.org/docs/17/release-17-5.html). |
| 6 | + |
| 7 | +## Release Highlights |
| 8 | + |
| 9 | +### `pg_tde` 2.0 - WAL encryption now generally available |
| 10 | + |
| 11 | +Percona Distribution for PostgreSQL includes the 2.0 release of `pg_tde`. |
| 12 | +This version introduces several enhancements, most notably the general availability of WAL encryption. |
| 13 | +See the [`pg_tde` release notes :octicons-link-external-16:](https://docs.percona.com/pg-tde/release-notes/release-notes-v2.0.html) for more details. |
| 14 | + |
| 15 | +### Major documentation update in Percona Distribution for PostgreSQL |
| 16 | + |
| 17 | +* Expanded and improved the [High Availability](../solutions/high-availability.md) topic with more information and example deployments. |
| 18 | +* Updated the [PostGIS installation commands via yum](../yum.md#for-postgis) topic. |
| 19 | +* Updated the [Telemetry](../telemetry.md) topic with revised steps and commands. |
| 20 | +* Added new [FAQ](../faq.md) and [Versioning](../versioning.md) topics. |
| 21 | + |
| 22 | +The following is the list of extensions available in Percona Distribution for PostgreSQL. |
| 23 | + |
| 24 | +| Extension | Version | Description | |
| 25 | +|--------------------------------------------------------------------------------------|-----------|----------------------------------------------------------------------------------------------------------------------| |
| 26 | +| [etcd :octicons-link-external-16:](https://etcd.io/) | 3.5.21 | A distributed, reliable key-value store for setting up high available Patroni clusters | |
| 27 | +| [HAProxy :octicons-link-external-16:](http://www.haproxy.org/) | 2.8.15 | A high-availability and load-balancing solution | |
| 28 | +| [Patroni :octicons-link-external-16:](https://patroni.readthedocs.io/en/latest/) | 4.0.5 | A HA (High Availability) solution for PostgreSQL | |
| 29 | +| [PgAudit :octicons-link-external-16:](https://www.pgaudit.org/) | 17.1 | Provides detailed session or object audit logging via the standard logging facility provided by PostgreSQL | |
| 30 | +| [pgAudit set_user :octicons-link-external-16:](https://github.com/pgaudit/set_user) | 4.1.0 | Provides an additional layer of logging and control when unprivileged users must escalate roles for maintenance. | |
| 31 | +| [pgBackRest :octicons-link-external-16:](https://pgbackrest.org/) | 2.55.0 | A backup and restore solution for PostgreSQL | |
| 32 | +| [pgBadger :octicons-link-external-16:](https://github.com/darold/pgbadger) | 13.1 | A fast PostgreSQL Log Analyzer | |
| 33 | +| [PgBouncer :octicons-link-external-16:](https://www.pgbouncer.org/) | 1.24.1 | A lightweight connection pooler for PostgreSQL | |
| 34 | +| [pg_gather :octicons-link-external-16:](https://github.com/jobinau/pg_gather) | v30 | An SQL script for running the diagnostics of the health of a PostgreSQL cluster | |
| 35 | +| [pgpool2 :octicons-link-external-16:](https://git.postgresql.org/gitweb/?p=pgpool2.git;a=summary) | 4.6.0 | A middleware between PostgreSQL server and client for high availability, connection pooling, and load balancing | |
| 36 | +| [pg_repack :octicons-link-external-16:](https://github.com/reorg/pg_repack) | 1.5.2 | Rebuilds PostgreSQL database objects | |
| 37 | +| [pgvector :octicons-link-external-16:](https://github.com/pgvector/pgvector) | v0.8.0 | A vector similarity search for PostgreSQL | |
| 38 | +| [PostGIS :octicons-link-external-16:](https://github.com/postgis/postgis) | 3.3.8 | A spatial extension for PostgreSQL | |
| 39 | +| [PostgreSQL Common :octicons-link-external-16:](https://salsa.debian.org/postgresql/postgresql-common) | 277 | PostgreSQL database-cluster manager. Supports multiple PostgreSQL versions and clusters simultaneously | |
| 40 | +| [wal2json :octicons-link-external-16:](https://github.com/eulerto/wal2json) | 2.6 | A PostgreSQL logical decoding JSON output plugin | |
| 41 | + |
| 42 | +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. |
| 43 | + |
| 44 | +Percona Distribution for PostgreSQL is also shipped with the [libpq](https://www.postgresql.org/docs/17/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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