(mysql.info) roadmap

 
 1.6 MySQL Development Roadmap
 =============================

 
* mysql-5-0-nutshell           What's New in MySQL 5.0
 
 This section provides a snapshot of the MySQL development roadmap,
 including major features implemented in or planned for various MySQL
 releases. The following sections provide information for each release
 series.
 
 The current production release series is MySQL 5.0, which was declared
 stable for production use as of MySQL 5.0.15, released in October 2005.
 The previous production release series was MySQL 4.1, which was
 declared stable for production use as of MySQL 4.1.7, released in
 October 2004. `Production status' means that future 5.0 and 4.1
 development is limited only to bugfixes. For the older MySQL 4.0 and
 3.23 series, only critical bugfixes are made.
 
 Active MySQL development is currently taking place in the MySQL 5.0 and
 5.1 release series, and new features are being added only to the latter.
 
 Before upgrading from one release series to the next, please see the
 notes in  upgrade.
 
 The most requested features and the versions in which they were
 implemented or are scheduled for implementation are summarized in the
 following table:
 
 *Feature*              *MySQL Series*
 Foreign keys           3.23 (for the `InnoDB' storage engine)
 Unions                 4.0
 Subqueries             4.1
 R-trees                4.1 (for the `MyISAM' storage engine)
 Stored procedures      5.0
 Views                  5.0
 Cursors                5.0
 XA transactions        5.0
 Foreign keys           5.2 (implemented in 3.23 for `InnoDB')
 Triggers               5.0 and 5.1
 Partitioning           5.1
 Pluggable Storage      5.1
 Engine API             
 Row-Based Replication  5.1

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