とみたです。

MySQL 5.1 系の初のGA版である 5.1.30 がリリースされた模様です。

From: Timothy Smith <Timothy.Smith@xxxxxxxxxx>
To: announce@xxxxxxxxxx, mysql@xxxxxxxxxx
Subject: MySQL Server 5.1.30 has been released
Date: Thu, 27 Nov 2008 00:33:22 -0700
Message-id: <492E4D42.4050600@xxxxxxxxxx>

Dear MySQL users,

We are proud to present to you the MySQL Server 5.1.30 GA release, the
first 5.1 production version of the popular open source database.
MySQL 5.1.30 is recommended for use on production systems.

MySQL 5.1 provides a number of new enhancements including:

- Table and index partitioning
- Row-based and mixed replication
- Built-in job scheduler
- Improved XML handling with XPath support
- New SQL diagnostic aids and performance utilities
- The return of the embedded library (libmysqld)

For a more complete look at what's new in MySQL 5.1, please see

   http://dev.mysql.com/doc/refman/5.1/en/mysql-nutshell.html

For information on installing MySQL 5.1.30 on new servers or upgrading
to MySQL 5.1.30 from previous MySQL releases, please see

   http://dev.mysql.com/doc/refman/5.1/en/installing.html

MySQL Server is available in source and binary form for a number of
platforms from our download pages at

   http://dev.mysql.com/downloads/

Not all mirror sites may be up to date at this point in time, so if
you can't find this version on some mirror, please try again later or
choose another download site.

We welcome and appreciate your feedback, bug reports, bug fixes,
patches, etc.:

   http://forge.mysql.com/wiki/Contributing

For information on open issues in MySQL 5.1, please see the errata
list at

   http://dev.mysql.com/doc/refman/5.1/en/open-bugs.html

The following section lists the changes in the MySQL source code since
the previous released version of MySQL 5.1. It may also be viewed
online at

   http://dev.mysql.com/doc/refman/5.1/en/news-5-1-30.html

Sincerely,

Kent Boortz
The MySQL build team at Sun Microsystems

-- 
とみたまさひろ <tommy@xxxxxxxxxx>
日本MySQLユーザ会 http://www.mysql.gr.jp