MySQL 9.0 Release Notes


This document contains release notes for the changes in MySQL 9.0. For information about changes in a different version of MySQL, see the release notes for that version.

For additional MySQL 9.0 documentation, see the MySQL 9.0 Reference Manual, which includes an overview of features added in MySQL 9.0 (What Is New in MySQL 9.0), and discussion of upgrade issues that you may encounter while upgrading.

MySQL platform support evolves over time; please refer to for the latest updates.

Updates to these notes occur as new product features are added, so that everybody can follow the development process. If a recent version is listed here that you cannot find on the download page (, the version has not yet been released.

The documentation included in source and binary distributions may not be fully up to date with respect to release note entries because integration of the documentation occurs at release build time. For the most up-to-date release notes, please refer to the online documentation instead.

For legal information, see the Legal Notices.

For help with using MySQL, please visit the MySQL Forums, where you can discuss your issues with other MySQL users.

Document generated on: 2024-07-12 (revision: 28687)