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MySQL Connector/ODBC 5.3.11 has been released
Posted by: Kent Boortz
Date: July 30, 2018 01:00PM

Dear MySQL users,

MySQL Connector/ODBC 5.3.11, a new version of the ODBC driver for the
MySQL database management system, has been released.

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 any MySQL version from 5.5.

This is the fifth release of the MySQL ODBC driver 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 output parameters (supported 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

http://dev.mysql.com/downloads/connector/odbc/5.3.html

For information on installing, please see the documentation at

http://dev.mysql.com/doc/connector-odbc/en/connector-odbc-installation.html

Changes in MySQL Connector/ODBC 5.3.11 (2018-07-30, General Availability)

Functionality Added or Changed

     * Based on MySQL Client library 5.7.23 it has the support for the
       new caching_sha2_password authentication method, which allows
       connecting to MySQL Server 8.0.

Bugs Fixed

     * The Unicode version now uses the UTF8MB4 character set as
       a transport character set between the MySQL server and
       the ODBC driver. Because text conversions requested by
       the ODBC user with the CHARSET connection option are done
       inside the ODBC Driver after the data is received from
       the server, it now converts text data as UTF8MB4 to
       USER_CHARSET instead of UTF8 to USER_CHARSET.
       (Bug #28204756)

     * Connections to MySQL Server 8.0 could yield "Source
       character set not supported by client" errors during
       sorting and case-sensitive operations. Now known UTF8MB4
       collations are used for these operations, such as
       utf8mb4_general_ci (known to libmysqlclient 5.7) instead
       of utf8mb4_tolower_ci. (Bug #28116892, Bug #90984)

     * MySQL Server 8.0 connections could fail with unsupported
       character sets and collations as utf8mb4_xxxxxx
       collations reported by MySQL Server 8.0 with numbers
       greater than 250 were unknown to libmysqlclient 5.7.
       Because collations affect sorting but not the data
       conversion, they can be substituted with known collations
       such as utf8mb4_general_ci (45).
       (Bug #28116892, Bug #90984)

     * Connector/ODBC is now built with MySQL client library
       5.7.23, and commercial builds also use an updated OpenSSL
       version (v1.0.2o). Issues fixed in the new OpenSSL
       version are described at
       http://www.openssl.org/news/vulnerabilities.html.
       (Bug #27829777)

     * Reported errors that occurred while executing multiple
       statements with a single query were generic and without
       context. For example, SQLMoreResults might return
       "unhandled error from mysql_next_result()" instead of the
       error reported by MySQL Server.
       (Bug #11757423, Bug #49466)

On Behalf of Oracle/MySQL Release Engineering Team,

Kent Boortz

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