This document contains release notes for the changes in each release of MySQL 5.1, up through MySQL 5.1.73. For information about changes in a different MySQL series, see the release notes for that series.
For additional MySQL 5.1 documentation, see the MySQL 5.1 Reference Manual, which includes an overview of features added in MySQL 5.1 (What Is New in MySQL 5.1), and discussion of upgrade issues that you may encounter for upgrades from MySQL 5.0 to MySQL 5.1 (Upgrading from MySQL 5.0 to 5.1).
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 (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 revision control system changeset on which the release was based, not necessarily the date when the distribution 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 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.
Document generated on: 2015-03-02 (revision: 5345)
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