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| 1 | +# Percona Distribution for PostgreSQL 15.15 ({{date.15_15}}) |
| 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 15.15](https://www.postgresql.org/docs/current/release-15-15.html). |
| 8 | + |
| 9 | +## Release Highlights |
| 10 | + |
| 11 | +### Percona Telemetry Extension for PostgreSQL Deprecated |
| 12 | + |
| 13 | +The `percona_pg_telemetry` extension has been deprecated and replaced with a backwards compatibility stub to avoid breaking existing installations. |
| 14 | + |
| 15 | +No telemetry data will be gathered, it will not be maintained going forward and it should not be used in new deployments. |
| 16 | + |
| 17 | +### Tarball updates |
| 18 | + |
| 19 | +The [installation preconditions for tarballs](tarball.md) now include an extra step for RHEL, Rocky Linux, or Oracle Linux 10: installing the `acl` package. |
| 20 | + |
| 21 | +The binary tarballs for x86_64 and ARM64 architectures have been updated in this release. The following libraries and components have new versions: |
| 22 | + |
| 23 | +- pgbouncer: 1.25.0 |
| 24 | +- pgpool2: 4.6.3 |
| 25 | +- etcd: 3.5.24 |
| 26 | +- PostGIS: 3.5.4 |
| 27 | +- set_user: 4.2.0 |
| 28 | +- pg_repack: 1.5.3 |
| 29 | +- pg_stat_monitor: 2.3.1 |
| 30 | +- pgBackRest: 2.57.0 |
| 31 | +- Patroni: 4.1.0 |
| 32 | +- HAProxy: 2.8.16 |
| 33 | +- pgvector: 0.8.1 |
| 34 | +- libxml2: 2.12.10 |
| 35 | + |
| 36 | +See [Install Percona Distribution for PostgreSQL from binary tarballs](tarball.md) for the download links. |
| 37 | + |
| 38 | +The [installation preconditions for tarballs](tarball.md) now include an extra step for RHEL, Rocky Linux, or Oracle Linux 10: installing the `acl` package. |
| 39 | + |
| 40 | +### Addressed CVEs |
| 41 | + |
| 42 | +This release includes important security measures that address the following CVEs: CVE-2025-12817, CVE-2025-12818. For more details, see the PostgreSQL [15.15 release notes](https://www.postgresql.org/docs/15/release-15-15.html). |
| 43 | + |
| 44 | +## Known Issue |
| 45 | + |
| 46 | +### For minor & major upgrades (RHEL only) |
| 47 | + |
| 48 | +During an upgrade on RHEL, you may encounter the following error: |
| 49 | + |
| 50 | +``` |
| 51 | +Unknown Error occurred: Transaction test error: |
| 52 | + file /usr/share/postgresql-common/server/postgresql.mk from install of percona-postgresql-common conflicts with file from package percona-postgresql-common-dev |
| 53 | + file /usr/share/postgresql-common/t/040_upgrade.t from install of percona-postgresql-common conflicts with file from package percona-postgresql-common-dev |
| 54 | +``` |
| 55 | + |
| 56 | +To resolve this, remove the `percona-postgresql-common-dev` package and reinstall it with the new intended upgraded PPG/PSP server. |
| 57 | + |
| 58 | +## Supplied third-party extensions |
| 59 | + |
| 60 | +Review each extension’s release notes for What’s new, improvements, or bug fixes. |
| 61 | + |
| 62 | +The following is the list of extensions available in Percona Distribution for PostgreSQL. |
| 63 | + |
| 64 | +| Extension | Version | Description | |
| 65 | +| ------------------- | -------------- | ---------------------------- | |
| 66 | +| [etcd :octicons-link-external-16:](https://etcd.io/) | 3.5.24 | A distributed, reliable key-value store for setting up high available Patroni clusters | |
| 67 | +| [python-etcd :octicons-link-external-16:](https://python-etcd.readthedocs.io/en/latest/) | 0.4.5 | A Python client library for interacting with etcd | |
| 68 | +| [HAProxy :octicons-link-external-16:](http://www.haproxy.org/) | 2.8.16 | a high-availability and load-balancing solution | |
| 69 | +| [Patroni :octicons-link-external-16:](https://patroni.readthedocs.io/en/latest/) | 4.1.0 | a HA (High Availability) solution for PostgreSQL | |
| 70 | +| [pgaudit :octicons-link-external-16:](https://www.pgaudit.org/) | 1.7.1 | provides detailed session or object audit logging via the standard logging facility provided by PostgreSQL | |
| 71 | +| [pgaudit set_user :octicons-link-external-16:](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. | |
| 72 | +| [pgBackRest :octicons-link-external-16:](https://pgbackrest.org/) | 2.57.0 | a backup and restore solution for PostgreSQL | |
| 73 | +| [pgBadger :octicons-link-external-16:](https://github.com/darold/pgbadger) | 13.1 | a fast PostgreSQL Log Analyzer. | |
| 74 | +| [PgBouncer :octicons-link-external-16:](https://www.pgbouncer.org/) | 1.25.0 | a lightweight connection pooler for PostgreSQL | |
| 75 | +| [pg_gather :octicons-link-external-16:](https://github.com/jobinau/pg_gather) | v32 | an SQL script for running the diagnostics of the health of PostgreSQL cluster | |
| 76 | +| [pgpool2 :octicons-link-external-16:](https://git.postgresql.org/gitweb/?p=pgpool2.git;a=summary) | 4.6.3 | a middleware between PostgreSQL server and client for high availability, connection pooling and load balancing. | |
| 77 | +| [pg_repack :octicons-link-external-16:](https://github.com/reorg/pg_repack) | 1.5.3 | rebuilds PostgreSQL database objects | |
| 78 | +| [pg_stat_monitor :octicons-link-external-16:](https://github.com/percona/pg_stat_monitor) | 2.3.1 | collects and aggregates statistics for PostgreSQL and provides histogram information. | |
| 79 | +| [PostGIS :octicons-link-external-16:](https://github.com/postgis/postgis) | 3.5.4 | a spatial extension for PostgreSQL. | |
| 80 | +| [pgvector :octicons-link-external-16:](https://github.com/pgvector/pgvector) | v0.8.1 | A vector similarity search for PostgreSQL | |
| 81 | +| [PostgreSQL Common :octicons-link-external-16:](https://salsa.debian.org/postgresql/postgresql-common) | 287 | 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. | |
| 82 | +| [wal2json :octicons-link-external-16:](https://github.com/eulerto/wal2json) | 2.6 | a PostgreSQL logical decoding JSON output plugin | |
| 83 | + |
| 84 | +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. |
| 85 | + |
| 86 | +Percona Distribution for PostgreSQL is also shipped with the [libpq](https://www.postgresql.org/docs/15/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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