The most up-to-date release notes, please refer to the onlineįor help with using MySQL, please visit theĬan discuss your issues with other MySQL users. Integration of the documentation occurs at release build time. Not be fully up to date with respect to release note entries because The documentation included in source and binary distributions may Version is listed here that you cannot find on the download page That everybody can follow the development process. Updates to these notes occur as new product features are added, so MySQL platform support evolves over time please refer to for the latest updates. It is therefore imperative that you back up your data before starting the upgrade process. The only supported alternative is to restore a backup taken before upgrading. Perform the upgrade on a test system first to make sure everything works smoothly, and then on the production system.ĭowngrade from MySQL 8.0 to MySQL 5.7, or from a MySQL 8.0 release to a previous MySQL 8.0 release, is not supported.
Issues that you may encounter for upgrades from MySQLīefore upgrading to MySQL 8.0, review the information in and perform any recommended actions. ( What Is New in MySQL 8.0), and discussion of upgrade MySQL 8.0 Reference Manual, which includes an overview of features For information about changes in aĭifferent MySQL series, see the release notes for that series.įor additional MySQL 8.0 documentation, see the This document contains release notes for the changes in eachĨ.0.36.
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