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MySQL Connector/ODBC 8.0.21 has been released

Dear MySQL users,

MySQL Connector/ODBC 8.0.21 is a new version in the MySQL Connector/ODBC
8.0 series, the ODBC driver for the MySQL Server.

The available downloads include both a Unicode driver and an ANSI driver
based on the same modern codebase. Please select the driver type you
need based on the type of your application – Unicode or ANSI.
Server-side prepared statements are enabled by default.  It is suitable
for use with the latest MySQL server version 8.0.

This release of the MySQL ODBC driver is conforming to the ODBC 3.8
specification.  It contains implementations of key 3.8 features,
including self-identification as a ODBC 3.8 driver, streaming of out for
binary types only), and support of the SQL_ATTR_RESET_CONNECTION
connection attribute (for the Unicode driver only).

The release is now available in source and binary form for a number of
platforms from our download pages at

For information on installing, please see the documentation at

Enjoy and thanks for the support!


Changes in MySQL Connector/ODBC 8.0.21 (2020-07-13, General Availability)

     * Security Notes

     * Bugs Fixed

Security Notes

     * For platforms on which OpenSSL libraries are bundled, the
       linked OpenSSL library for Connector/ODBC has been
       updated to version 1.1.1g. Issues fixed in the new
       OpenSSL version are described at and

Bugs Fixed

     * The MSI installer now checks for the Visual 2019 C++
       runtime, and aborts if this required runtime is not
        This is also the first version that requires Visual 2019
        C++ runtime, when before the 2017 version was also
        supported. (Bug #31102234)

     * Only a single value was being inserted instead of the
        array, with SQLParamOptions. (Bug #30591722)

     * The SUM aggregate function did not function with ADO.
       (Bug #30277891, Bug #96642)

     * Added a workaround to account for a limitation in the
       iODBC SQLGetPrivateProfileString() implementation as
       previously DSN options could be lost. iODBC is most
       commonly used on macOS. (Bug #27851681)

On Behalf of Oracle/MySQL Engineering Team
Prashant Tekriwal