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MySQL Community Server 5.6.51 has been released
Posted by: Balasubramanian Kandasamy
Date: January 20, 2021 02:16AM

Dear MySQL users,

MySQL Server 5.6.51, a new version of the popular Open Source
Database Management System, has been released. MySQL 5.6.51 is
recommended for use on production systems.

For an overview of what's new in MySQL 5.6, please see

     Starting with 5.6.11, Microsoft Windows packages for MySQL 5.6
     are available both as a "full" installer and as a "web" installer.
     The full installer is significantly larger and comes bundled with
     the latest software releases available. This bundle makes it easy
     to download and configure a full server and development suite.

     The web installer doesn't come bundled with any actual products
     and instead relies on download-on-demand to fetch only the
     products you choose to install. This makes the initial download
     much smaller but increases install time as the individual products
     will need to be downloaded.

For information on installing MySQL 5.6.51 on new servers or upgrading
to MySQL 5.6.51 from previous MySQL releases, please see

MySQL Server 5.6.51, is available in source and binary form for a number of
platforms from our download pages at

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

The following link lists the changes in the MySQL 5.6 since
the release of MySQL 5.6.50. It may also be viewed
online at

This is the last update to be published for MySQL Server 5.6.
To continue receiving updates for this product, you will need
to upgrade to at least version 5.7.


Changes in MySQL 5.6.51 (2021-01-20, General Availability)


   MySQL 5.6.51 is the last release of the MySQL 5.6 series.

     * Security Notes

     * Bugs Fixed

Security Notes

     * The linked OpenSSL library for MySQL Server has been
       updated to version 1.1.1i. Issues fixed in the new
       OpenSSL version are described at and (Bug

Bugs Fixed

     * InnoDB: The full-text search synchronization thread
       attempted to read a previously-freed word from the index
       cache. (Bug #31310404)

     * The server did not handle all cases of the
       WHERE_CONDITION optimization correctly. (Bug #31905199)

     * Privileges for some INFORMATION_SCHEMA tables were
       checked incorrectly. (Bug #31553323)

     * In certain cases, the server did not handle
       multiply-nested subqueries correctly. (Bug #31472704)

     * A buffer overflow in the client library was fixed. (Bug

On Behalf of MySQL Release Engineering Team,
Balasubramanian Kandasamy

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MySQL Community Server 5.6.51 has been released
January 20, 2021 02:16AM

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