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 5.6.38 on new servers or upgrading to MySQL 5.6.38 from previous MySQL releases, please see
Changes in MySQL 5.6.38 (2017-10-16, General Availability)
* Packaging Notes
* Bugs Fixed
* mysqlcheck was missing in the MySQL Server Docker image, which prevented mysql_upgrade from running. (Bug #26400146, Bug #86968)
* InnoDB: Replication lag occurred on slave instances during large update operations on tables with many partitions. (Bug #25687813, Bug #85352)
* InnoDB: A failure occurred during an end range comparison. (Bug #25669686)
* InnoDB: Enabling the innodb_buffer_pool_load_now setting failed in readonly mode. The event that signals the buffer pool load thread was not initialized. (Bug #25586766)
* InnoDB: A long wait for a dictionary operation lock held by a full-text search synchronization operation caused a server exit. (Bug #24938374)
* Partitioning: Queries involving NULL were not always handled correctly on tables that were partitioned by LIST. (Bug #76418, Bug #20748521) References: See also: Bug #86255, Bug #26034430.
* Replication: When replicating a partitioned table with an index, on a replication slave where HASH_SCAN was specified as part of the slave_rows_search_algorithms setting, the slave I/O thread sometimes stopped with an error HA_ERR_KEY_NOT_FOUND. (Bug #26137159)
* Replication: Replication clients no longer enable LOCAL capability for LOAD DATA statements, because they do not use LOAD DATA LOCAL statements. (Bug #24763131)
* Replication: In case of a failure while creating multiple slave applier worker threads, some threads would be left orphaned and their resources would not be collected. Thanks to Laurynas Biveinis for his contribution to fixing this bug. (Bug #24679056, Bug #82980)
* MSI packages for Windows failed to detect when Microsoft Visual C++ 2010 Redistributable Package was installed. (Bug #26501092, Bug #87139)
* yaSSL could incorrectly perform TLS cipher negotiation. (Bug #26482173)
* The server failed to check the maximum path length for partition names. (Bug #26390632)
* Identifiers containing a mixture of backslashes and backticks could be parsed incorrectly. (Bug #26372491)
* Source packages for Debian platforms contained prebuilt debug binaries, causing build failures on any architectures other than the one on which those binaries were built. (Bug #26186911)
* Uninstalling the daemon_memcached plugin caused a serious error. (Bug #25909540)
* Selecting from a view could yield different results with materialization enabled versus materialization disabled. (Bug #25782811, Bug #85622)
* The Performance Schema failed to check the maximum host length for client connections. (Bug #25510805)
* A server error occurred when a full text search result exceeded the innodb_ft_result_cache_limit setting. The patch for this bug also backports a related patch (Bug #21140111). (Bug #25033538)
* If a stored function was considered a constant by the optimizer, calling it from a subquery in a NOT IN condition in the WHERE clause could cause a server exit. (Bug #23577867)
* A mysqldump memory leak was fixed. Thanks to Yura Sorokin for the patch. (Bug #23531150, Bug #81714)
* If a session rolled back to a savepoint and then was killed, the statements up to the point of the savepoint could be committed. (Bug #22350047, Bug #79596)
* For clients that used Connector/Python and authenticated using the sha256_password plugin, the server could handle connections incorrectly. (Bug #21421642)
* NAME_CONST() can return null if incorrect arguments are given. In some cases, this was not handled and could cause a server exit. (Bug #19143243, Bug #26361149)
On Behalf of MySQL/ORACLE RE Team Gipson Pulla
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