1. Version Overview

[Release Date: June 17, 2026]

IvorySQL 5.4 is built on PostgreSQL 18.4 and includes a variety of bug fixes. For a comprehensive list of updates, please visit our [documentation site](https://docs.ivorysql.org/).

2. Enhancements

  • PostgreSQL 18.4

    1. Prevent unbounded recursion while processing startup packets.

    2. Fix assorted integer overflows in memory-allocation calculations.

    3. Properly quote subscription names in pg_createsubscriber.

    4. Properly quote object names in logical replication origin checks.

    5. Reject over-length options in ts_headline().

    6. Detect faulty input when restoring attribute MCV statistics.

For further details, visit PostgreSQL’s release notes.

3. New Features

  • Upgrade to PG 18.4 kernel: Feature #1344
    PostgreSQL kernel upgraded to version 18.4.

  • [IvorySQL Skills](https://github.com/IvorySQL/skills) Empowering AI assistants to become IvorySQL database experts.

  • Online Experience: IvorySQL 5.4: Feature #10
    An interactive, browser-based environment will be launched to allow users to explore and evaluate IvorySQL 5.4 in real time — no installation required.

  • Packaging for All Platforms:
    Provides multi-platform media packages for X86, ARM, MIPS, LoongArch architecture.

  • Containerized Deployment Support
    Supports one-click deployment of standalone or highly available IvorySQL 5.4 clusters via Docker Compose, Podman, Swarm, Helm, and the IvorySQL 5.4 Operator.

  • IvorySQL Cloud 5.4 released (Visual Database Lifecycle Management Platform)
    Offers a fully managed, graphical control plane that handles IvorySQL 5.4 database subscriptions, orchestrates end-to-end lifecycle operations, and integrates surrounding ecosystem services.

  • PostgreSQL Extensions
    Support for 10 Additional PostgreSQL Extensions: pg_cron, pgAudit, PostGIS, pgRouting, PGroonga, ddlx, pgsql-http, system_stats, plpgsql_check, pgvector.

  • Enhanced the EXTRACT function support to accept additional syntax variations in SQL queries: PR #1222

4. Source Code

IvorySQL’s development is maintained across four main repositories:

5. Contributors

The following individuals (in alphabetical order) have contributed to this release as patch authors, committers, reviewers, testers, or reporters of issues.

  • 3296442201

  • Adria0615

  • anapplebeee

  • Cédric Villemain

  • Fawei Zhao

  • Ge Sui

  • Grant Zhou

  • hanjianqiao

  • jerome-peng

  • liketoochao

  • movead123

  • msdnchina

  • Pierre Forstmann

  • Rophy Tsai

  • Shawn Yan

  • Shuntian Jiao

  • Steven Niu

  • tian1220A

  • xiaoyu509

  • Xiaohui Liu

  • Xiangyu Liang

  • Xinjie LYU

  • Xueyu Gao

  • yes7rose

  • Yasir Hussain Shah

  • z20081120087

  • Zhe Zhang

  • Zhenhao Pan

  • Zheng Tao

  • Zhuoyan Shi

  • zuinuan123