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This appendix lists the changes from version to version in the MySQL source code through the latest version of MySQL 5.1, which is currently MySQL 5.1.15-beta. Starting with MySQL 5.0, we began offering a new version of the Manual for each new series of MySQL releases (5.0, 5.1, and so on). For information about changes in previous release series of the MySQL database software, see the corresponding version of this Manual. For information about legacy versions of the MySQL software through the 4.1 series, see MySQL 3.23, 4.0, 4.1 Reference Manual.

We update this section as we add new features in the 5.1 series, so that everybody can follow the development process.

Note that we tend to update the manual at the same time we make changes to MySQL. If you find a recent version of MySQL listed here that you can't find on our download page (http://dev.mysql.com/downloads/), it means that the version has not yet been released.

The date mentioned with a release version is the date of the last BitKeeper ChangeSet on which the release was based, not the date when the packages were made available. The binaries are usually made available a few days after the date of the tagged ChangeSet, because building and testing all packages takes some time.

The manual included in the source and binary distributions may not be fully accurate when it comes to the release changelog entries, because the integration of the manual happens at build time. For the most up-to-date release changelog, please refer to the online version instead.